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authorSilvio Rhatto <rhatto@riseup.net>2014-03-15 14:42:42 -0300
committerSilvio Rhatto <rhatto@riseup.net>2014-03-15 14:42:42 -0300
commit711dab09b5146e74dbeda56679c65e3b6bec71f3 (patch)
treefed51be1475322c7a565d180d0b0ae3f97e6cf3a /mod/less
parent4311cd55c6e6d6a064bfeabb53b9c528ca553ffd (diff)
parent551497ef94f6239b109316d8fab32f0909b13f73 (diff)
downloadelgg-711dab09b5146e74dbeda56679c65e3b6bec71f3.tar.gz
elgg-711dab09b5146e74dbeda56679c65e3b6bec71f3.tar.bz2
Merge commit '551497ef94f6239b109316d8fab32f0909b13f73' as 'mod/less'
Diffstat (limited to 'mod/less')
-rw-r--r--mod/less/manifest.xml16
-rw-r--r--mod/less/start.php104
-rw-r--r--mod/less/vendors/lessphp/.gitignore8
-rw-r--r--mod/less/vendors/lessphp/LICENSE660
-rw-r--r--mod/less/vendors/lessphp/README.md69
-rw-r--r--mod/less/vendors/lessphp/composer.json20
-rw-r--r--mod/less/vendors/lessphp/docs/docs.md1168
-rw-r--r--mod/less/vendors/lessphp/lessc.inc.php2910
-rwxr-xr-xmod/less/vendors/lessphp/lessify23
-rw-r--r--mod/less/vendors/lessphp/lessify.inc.php447
-rwxr-xr-xmod/less/vendors/lessphp/package.sh22
-rwxr-xr-xmod/less/vendors/lessphp/plessc217
-rw-r--r--mod/less/vendors/lessphp/tests/README.md24
-rwxr-xr-xmod/less/vendors/lessphp/tests/bootstrap.sh49
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/accessors.less.disable36
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/arity.less77
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/attributes.less41
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/builtins.less36
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/colors.less122
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/compile_on_mixin.less39
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/escape.less20
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/font_family.less28
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/guards.less88
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/hacks.less6
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/import.less21
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/keyframes.less52
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/math.less116
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/media.less38
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/misc.less84
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/mixin_functions.less40
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/mixin_merging.less.disable100
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/mixins.less126
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/nested.less60
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/pattern_matching.less167
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/scopes.less40
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/selector_expressions.less29
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/site_demos.less120
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/test-imports/file1.less16
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/test-imports/file2.less6
-rw-r--r--mod/less/vendors/lessphp/tests/inputs/variables.less45
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/accessors.css14
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/arity.css25
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/attributes.css35
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/builtins.css20
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/colors.css69
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/compile_on_mixin.css11
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/escape.css14
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/font_family.css17
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/guards.css23
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/hacks.css1
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/import.css14
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/keyframes.css47
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/math.css61
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/media.css28
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/misc.css40
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/mixin_functions.css14
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/mixin_merging.css42
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/mixins.css50
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/nested.css16
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/nesting.css6
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/pattern_matching.css56
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/scopes.css7
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/selector_expressions.css8
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/site_demos.css54
-rw-r--r--mod/less/vendors/lessphp/tests/outputs/variables.css20
-rw-r--r--mod/less/vendors/lessphp/tests/sort.php57
-rw-r--r--mod/less/vendors/lessphp/tests/test.php190
67 files changed, 8229 insertions, 0 deletions
diff --git a/mod/less/manifest.xml b/mod/less/manifest.xml
new file mode 100644
index 000000000..481c7f509
--- /dev/null
+++ b/mod/less/manifest.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<plugin_manifest xmlns="http://www.elgg.org/plugin_manifest/1.8">
+ <name>LESS (the Dynamic Stylesheet Language) Complier</name>
+ <author>Lorea developers</author>
+ <version>0.1</version>
+ <category>tool</category>
+ <description>Brings the power of LESS dynamic styling to Elgg</description>
+ <website>http://lorea.org/</website>
+ <copyright>(C) Lorea 2012</copyright>
+ <license>GNU General Public License version 2</license>
+ <requires>
+ <type>elgg_release</type>
+ <version>1.8</version>
+ </requires>
+ <activate_on_install>false</activate_on_install>
+</plugin_manifest>
diff --git a/mod/less/start.php b/mod/less/start.php
new file mode 100644
index 000000000..476ad5104
--- /dev/null
+++ b/mod/less/start.php
@@ -0,0 +1,104 @@
+<?php
+/**
+ * Elgg LESS compiler
+ *
+ * @package ElggLESS
+ */
+
+elgg_register_event_handler('init', 'system', 'less_init');
+
+function less_init() {
+
+ less_override_css();
+
+ //make sure this runs after everyone else is done
+ elgg_register_plugin_hook_handler('view', 'all', 'less_views', 999);
+}
+
+function less_views($hook, $type, $content, $params) {
+ $view = $params['view'];
+ $vars = $params['vars'];
+
+ if (preg_match("/^css\//", $view) && !$vars['less_flag']) {
+ global $CONFIG;
+ if ($CONFIG->less->view[$view]) {
+ $vars['less_flag'] = true;
+ $content = elgg_view($CONFIG->less->view[$view], $vars);
+ }
+ }
+
+ if (preg_match("/^less\//", $view) && $vars['less_flag']) {
+ if (include_once(elgg_get_plugins_path() . 'less/vendors/lessphp/lessc.inc.php')) {
+ $parser = new lessc();
+ return $parser->parse($content);
+ }
+ }
+ return $content;
+}
+
+function less_override_css() {
+ $plugins = elgg_get_plugins('active');
+ if ($plugins) {
+ foreach ($plugins as $plugin) {
+ $view_dir = elgg_get_plugins_path() . $plugin->getID() . "/views/";
+
+ if (!is_dir($view_dir) || FALSE === ($handle = opendir($view_dir))) {
+ continue;
+ }
+
+ while (FALSE !== ($view_type = readdir($handle))) {
+ $view_type_dir = $view_dir . $view_type;
+
+ if ('.' !== substr($view_type, 0, 1) && is_dir($view_type_dir)) {
+ less_autoregister_views('', $view_type_dir, $view_dir, $view_type);
+ }
+ }
+ }
+ }
+}
+
+function less_autoregister_views($view_base, $folder, $base_location_path, $viewtype) {
+ if (!empty($view_base)) {
+ $view_base_new = $view_base . "/";
+ } else {
+ $view_base_new = "";
+ }
+
+ if ($handle = opendir($folder)) {
+ while ($view = readdir($handle)) {
+ if (!in_array($view, array('.', '..', '.svn', 'CVS')) && !is_dir($folder . "/" . $view)) {
+ if (substr_count($view, ".php") > 0) {
+ less_update_view($view_base_new . str_replace('.php', '', $view));
+ }
+ } else if (!in_array($view, array('.', '..', '.svn', 'CVS')) && is_dir($folder . "/" . $view)) {
+ if ($view == 'css' || $view == 'less') {
+ less_autoregister_views($view_base_new . $view, $folder . "/" . $view,
+ $base_location_path, $viewtype);
+ }
+ }
+ }
+ return TRUE;
+ }
+ return FALSE;
+}
+
+function less_update_view($view) {
+ global $CONFIG;
+
+ if (substr($view, 0, 5) == "less/") {
+ $css_view = substr($view, 5);
+ } else {
+ $css_view = $view;
+ }
+
+ if (!isset($CONFIG->less)) {
+ $CONFIG->less = new stdClass;
+ }
+
+ if (!isset($CONFIG->less->view)) {
+ $CONFIG->less->view = array($css_view => $view);
+
+ } else {
+ $CONFIG->less->view[$css_view] = $view;
+ }
+}
diff --git a/mod/less/vendors/lessphp/.gitignore b/mod/less/vendors/lessphp/.gitignore
new file mode 100644
index 000000000..ed09d55dc
--- /dev/null
+++ b/mod/less/vendors/lessphp/.gitignore
@@ -0,0 +1,8 @@
+*.swp
+*~
+/*.less
+/*.css
+tests/bootstrap
+tests/tmp
+vendor
+composer.lock
diff --git a/mod/less/vendors/lessphp/LICENSE b/mod/less/vendors/lessphp/LICENSE
new file mode 100644
index 000000000..b2338b1c8
--- /dev/null
+++ b/mod/less/vendors/lessphp/LICENSE
@@ -0,0 +1,660 @@
+For ease of distribution, lessphp 0.2.0 is under a dual license.
+You are free to pick which one suits your needs.
+
+
+
+
+MIT LICENSE
+
+
+
+
+Copyright (c) 2010 Leaf Corcoran, http://leafo.net/lessphp
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+
+
+GPL VERSION 3
+
+
+
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+ The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users. We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors. You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
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+want it, that you can change the software or use pieces of it in new
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+
+ To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights. Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
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+ For example, if you distribute copies of such a program, whether
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+ Developers that use the GNU GPL protect your rights with two steps:
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+actually uses, or expects or is expected to use, the product. A product
+is a consumer product regardless of whether the product has substantial
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+the only significant mode of use of the product.
+
+ "Installation Information" for a User Product means any methods,
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+
+ If you convey an object code work under this section in, or with, or
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+unpacking, reading or copying.
+
+ 7. Additional Terms.
+
+ "Additional permissions" are terms that supplement the terms of this
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+ When you convey a copy of a covered work, you may at your option
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+
+ 9. Acceptance Not Required for Having Copies.
+
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+
+ Nothing in this License shall be construed as excluding or limiting
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+
+ 12. No Surrender of Others' Freedom.
+
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+
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+ 17. Interpretation of Sections 15 and 16.
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+reviewing courts shall apply local law that most closely approximates
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+
diff --git a/mod/less/vendors/lessphp/README.md b/mod/less/vendors/lessphp/README.md
new file mode 100644
index 000000000..b48850038
--- /dev/null
+++ b/mod/less/vendors/lessphp/README.md
@@ -0,0 +1,69 @@
+# lessphp v0.3.5
+### <http://leafo.net/lessphp>
+
+`lessphp` is a compiler for LESS written in PHP. The documentation is great,
+so check it out: <http://leafo.net/lessphp/docs/>.
+
+Here's a quick tutorial:
+
+### How to use in your PHP project
+
+Copy `lessc.inc.php` to your include directory and include it into your project.
+
+There are a few ways to interface with the compiler. The easiest is to have it
+compile a LESS file when the page is requested. The static function
+`lessc::ccompile`, checked compile, will compile the input LESS file only when it
+is newer than the output file.
+
+ try {
+ lessc::ccompile('input.less', 'output.css');
+ } catch (exception $ex) {
+ exit($ex->getMessage());
+ }
+
+`lessc::ccompile` is not aware of imported files that change. Read [about
+`lessc::cexecute`](http://leafo.net/lessphp/docs/#compiling_automatically).
+
+Note that all failures with lessc are reported through exceptions.
+If you need more control you can make your own instance of lessc.
+
+ $input = 'mystyle.less';
+
+ $lc = new lessc($input);
+
+ try {
+ file_put_contents('mystyle.css', $lc->parse());
+ } catch (exception $ex) { ... }
+
+In addition to loading from file, you can also parse from a string like so:
+
+ $lc = new lessc();
+ $lesscode = 'body { ... }';
+ $out = $lc->parse($lesscode);
+
+### How to use from the command line
+
+An additional script has been included to use the compiler from the command
+line. In the simplest invocation, you specify an input file and the compiled
+css is written to standard out:
+
+ $ plessc input.less > output.css
+
+Using the -r flag, you can specify LESS code directly as an argument or, if
+the argument is left off, from standard in:
+
+ $ plessc -r "my less code here"
+
+Finally, by using the -w flag you can watch a specified input file and have it
+compile as needed to the output file
+
+ $ plessc -w input-file output-file
+
+Errors from watch mode are written to standard out.
+
+`lessphp` also supports output formatters. To compress the output run this:
+
+ $ plessc -f=compressed myfile.less
+
+For more help, run `plessc --help`
+
diff --git a/mod/less/vendors/lessphp/composer.json b/mod/less/vendors/lessphp/composer.json
new file mode 100644
index 000000000..5a29a284a
--- /dev/null
+++ b/mod/less/vendors/lessphp/composer.json
@@ -0,0 +1,20 @@
+{
+ "name": "leafo/lessphp",
+ "type": "library",
+ "description": "lessphp is a compiler for LESS written in PHP.",
+ "homepage": "http://leafo.net/lessphp/",
+ "license": [
+ "MIT",
+ "GPL-3.0"
+ ],
+ "authors": [
+ {
+ "name": "Leaf Corcoran",
+ "email": "leafot@gmail.com",
+ "homepage": "http://leafo.net"
+ }
+ ],
+ "autoload": {
+ "classmap": ["lessc.inc.php"]
+ }
+}
diff --git a/mod/less/vendors/lessphp/docs/docs.md b/mod/less/vendors/lessphp/docs/docs.md
new file mode 100644
index 000000000..c46ad0fe1
--- /dev/null
+++ b/mod/less/vendors/lessphp/docs/docs.md
@@ -0,0 +1,1168 @@
+ title: v0.3.5 documentation
+ link_to_home: true
+--
+
+<h2 skip="true">Documentation v0.3.5</h2>
+
+<div style="margin-bottom: 1em;">$index</div>
+
+**lessphp** is a compiler that generates CSS from a superset language which
+adds a collection of convenient features often seen in other languages. All CSS
+is compatible with LESS, so you can start using new features with your existing CSS.
+
+It is designed to be compatible with [less.js](http://lesscss.org), and suitable
+as a drop in replacement for PHP projects.
+
+## Getting Started
+
+The homepage for **lessphp** can be found at [http://leafo.net/lessphp/][1].
+
+You can follow development at the project's [GitHub][2].
+
+Including **lessphp** in your project is as simple as dropping the single
+include file into your code base and running the appropriate compile method as
+described in the [PHP Interface](#php_interface).
+
+ [1]: http://leafo.net/lessphp "lessphp homepage"
+ [2]: https://github.com/leafo/lessphp "lessphp GitHub page"
+
+## Installation
+
+**lessphp** is distributed entirely in a single stand-alone file. Download the
+latest version from either [the homepage][1] or [GitHub][2].
+
+Development versions can also be downloading from GitHub.
+
+Place `lessphp.inc.php` in a location available to your PHP scripts, and
+include it. That's it! you're ready to begin.
+
+## The Language
+
+**lessphp** is very easy to learn because it generally functions how you would
+expect it to. If you feel something is challenging or missing, feel free to
+open an issue on the [bug tracker](https://github.com/leafo/lessphp/issues).
+
+It is also easy to learn because any standards-compliant CSS code is valid LESS
+code. You are free to gradually enhance your existing CSS code base with LESS
+features without having to worry about rewriting anything.
+
+The following is a description of the new languages features provided by LESS.
+
+### Line Comments
+
+Simple but very useful; line comments are started with `//`:
+
+ ```less
+ // this is a comment
+ body {
+ color: red; // as is this
+ /* block comments still work also */
+ }
+ ```
+
+### Variables
+Variables are identified with a name that starts with `@`. To declare a
+variable, you create an appropriately named CSS property and assign it a value:
+
+ ```less
+ @family: "verdana";
+ @color: red;
+ body {
+ @mycolor: red;
+ font-family: @family;
+ color: @color;
+ border-bottom: 1px solid @color;
+ }
+ ```
+
+Variable declarations will not appear in the output. Variables can be declared
+in the outer most scope of the file, or anywhere else a CSS property may
+appear. They can hold any CSS property value.
+
+Variables are only visible for use from their current scope, or any enclosed
+scopes.
+
+If you have a string or keyword in a variable, you can reference another
+variable by that name by repeating the `@`:
+
+ ```less
+ @value: 20px;
+ @value_name: "value";
+
+ width: @@value_name;
+ ```
+
+### Expressions
+
+Expressions let you combine values and variables in meaningful ways. For
+example you can add to a color to make it a different shade. Or divide up the
+width of your layout logically. You can even concatenate strings.
+
+Use the mathematical operators to evaluate an expression:
+
+ ```less
+ @width: 960px;
+ .nav {
+ width: @width / 3;
+ color: #001 + #abc;
+ }
+ .body {
+ width: 2 * @width / 3;
+ font-family: "hel" + "vetica";
+ }
+ ```
+
+Parentheses can be used to control the order of evaluation. They can also be
+used to force an evaluation for cases where CSS's syntax makes the expression
+ambiguous.
+
+The following property will produce two numbers, instead of doing the
+subtraction:
+
+ ```less
+ margin: 10px -5px;
+ ```
+
+To force the subtraction:
+
+ ```less
+ margin: (10px -5px);
+ ```
+
+It is also safe to surround mathematical operators by spaces to ensure that
+they are evaluated:
+
+ ```less
+ margin: 10px - 5px;
+ ```
+
+Division has a special quirk. There are certain CSS properties that use the `/`
+operator as part of their value's syntax. Namely, the [font][4] shorthand and
+[border-radius][3].
+
+ [3]: https://developer.mozilla.org/en/CSS/border-radius
+ [4]: https://developer.mozilla.org/en/CSS/font
+
+
+Thus, **lessphp** will ignore any division in these properties unless it is
+wrapped in parentheses. For example, no division will take place here:
+
+ ```less
+ .font {
+ font: 20px/80px "Times New Roman";
+ }
+ ```
+
+In order to force division we must wrap the expression in parentheses:
+
+ ```less
+ .font {
+ font: (20px/80px) "Times New Roman";
+ }
+ ```
+
+If you want to write a literal `/` expression without dividing in another
+property (or a variable), you can use [string unquoting](#string_unquoting):
+
+ ```less
+ .var {
+ @size: ~"20px/80px";
+ font: @size sans-serif;
+ }
+ ```
+
+### Nested Blocks
+
+By nesting blocks we can build up a chain of CSS selectors through scope
+instead of repeating them. In addition to reducing repetition, this also helps
+logically organize the structure of our CSS.
+
+ ```less
+ ol.list {
+ li.special {
+ border: 1px solid red;
+ }
+
+ li.plain {
+ font-weight: bold;
+ }
+ }
+ ```
+
+
+This will produce two blocks, a `ol.list li.special` and `ol.list li.plain`.
+
+Blocks can be nested as deep as required in order to build a hierarchy of
+relationships.
+
+The `&` operator can be used in a selector to represent its parent's selector.
+If the `&` operator is used, then the default action of appending the parent to
+the front of the child selector separated by space is not performed.
+
+ ```less
+ b {
+ a & {
+ color: red;
+ }
+
+ // the following have the same effect
+
+ & i {
+ color: blue;
+ }
+
+ i {
+ color: blue;
+ }
+ }
+ ```
+
+
+Because the `&` operator respects the whitespace around it, we can use it to
+control how the child blocks are joined. Consider the differences between the
+following:
+
+ ```less
+ div {
+ .child-class { color: purple; }
+
+ &.isa-class { color: green; }
+
+ #child-id { height: 200px; }
+
+ &#div-id { height: 400px; }
+
+ &:hover { color: red; }
+
+ :link { color: blue; }
+ }
+ ```
+
+The `&` operator also works with [mixins](#mixins), which produces interesting results:
+
+ ```less
+ .within_box_style() {
+ .box & {
+ color: blue;
+ }
+ }
+
+ #menu {
+ .within_box_style;
+ }
+ ```
+
+### Mixins
+
+Any block can be mixed in just by naming it:
+
+ ```less
+ .mymixin {
+ color: blue;
+ border: 1px solid red;
+
+ .special {
+ font-weight: bold;
+ }
+ }
+
+
+ h1 {
+ font-size: 200px;
+ .mixin;
+ }
+ ```
+
+All properties and child blocks are mixed in.
+
+Mixins can be made parametric, meaning they can take arguments, in order to
+enhance their utility. A parametric mixin all by itself is not outputted when
+compiled. Its properties will only appear when mixed into another block.
+
+The canonical example is to create a rounded corners mixin that works across
+browsers:
+
+ ```less
+ .rounded-corners(@radius: 5px) {
+ border-radius: @radius;
+ -webkit-border-radius: @radius;
+ -moz-border-radius: @radius;
+ }
+
+ .header {
+ .rounded-corners();
+ }
+
+ .info {
+ background: red;
+ .rounded-corners(14px);
+ }
+ ```
+
+If you have a mixin that doesn't have any arguments, but you don't want it to
+show up in the output, give it a blank argument list:
+
+ ```less
+ .secret() {
+ font-size: 6000px;
+ }
+
+ .div {
+ .secret;
+ }
+ ```
+
+If the mixin doesn't need any arguments, you can leave off the parentheses when
+mixing it in, as seen above.
+
+You can also mixin a block that is nested inside other blocks. You can think of
+the outer block as a way of making a scope for your mixins. You just list the
+names of the mixins separated by spaces, which describes the path to the mixin
+you want to include. Optionally you can separate them by `>`.
+
+ ```less
+ .my_scope {
+ .some_color {
+ color: red;
+ .inner_block {
+ text-decoration: underline;
+ }
+ }
+ .bold {
+ font-weight: bold;
+ color: blue;
+ }
+ }
+
+ .a_block {
+ .my_scope .some_color;
+ .my_scope .some_color .inner_block;
+ }
+
+ .another_block {
+ // the alternative syntax
+ .my_scope > .bold;
+ }
+ ```
+
+#### `@arguments` Variable
+
+Within an mixin there is a special variable named `@arguments` that contains
+all the arguments passed to the mixin along with any remaining arguments that
+have default values. The value of the variable has all the values separated by
+spaces.
+
+This useful for quickly assigning all the arguments:
+
+ ```less
+ .box-shadow(@x, @y, @blur, @color) {
+ box-shadow: @arguments;
+ -webkit-box-shadow: @arguments;
+ -moz-box-shadow: @arguments;
+ }
+ .menu {
+ .box-shadow(1px, 1px, 5px, #aaa);
+ }
+ ```
+
+In addition to the arguments passed to the mixin, `@arguments` will also include
+remaining default values assigned by the mixin:
+
+
+ ```less
+ .border-mixin(@width, @style: solid, @color: black) {
+ border: @arguments;
+ }
+
+ pre {
+ .border-mixin(4px, dotted);
+ }
+
+ ```
+
+
+#### Pattern Matching
+
+When you *mix in* a mixin, all the available mixins of that name in the current
+scope are checked to see if they match based on what was passed to the mixin
+and how it was declared.
+
+The simplest case is matching by number of arguments. Only the mixins that
+match the number of arguments passed in are used.
+
+ ```less
+ .simple() { // matches no arguments
+ height: 10px;
+ }
+
+ .simple(@a, @b) { // matches two arguments
+ color: red;
+ }
+
+ .simple(@a) { // matches one argument
+ color: blue;
+ }
+
+ div {
+ .simple(10);
+ }
+
+ span {
+ .simple(10, 20);
+ }
+ ```
+
+Whether an argument has default values is also taken into account when matching
+based on number of arguments:
+
+ ```less
+ // matches one or two arguments
+ .hello(@a, @b: blue) {
+ height: @a;
+ color: @b;
+ }
+
+ .hello(@a, @b) { // matches only two
+ width: @a;
+ border-color: @b;
+ }
+
+ .hello(@a) { // matches only one
+ padding: 1em;
+ }
+
+ div {
+ .hello(10px);
+ }
+
+ pre {
+ .hello(10px, yellow);
+ }
+ ```
+
+Additionally, a *vararg* value can be used to further control how things are
+matched. A mixin's argument list can optionally end in the special argument
+named `...`. The `...` may match any number of arguments, including 0.
+
+ ```less
+ // this will match any number of arguments
+ .first(...) {
+ color: blue;
+ }
+
+ // matches at least 1 argument
+ .second(@arg, ...) {
+ height: 200px + @arg;
+ }
+
+ div { .first("some", "args"); }
+ pre { .second(10px); }
+ ```
+
+If you want to capture the values that get captured by the *vararg* you can
+give it a variable name by putting it directly before the `...`. This variable
+must be the last argument defined. It's value is just like the special
+[`@arguments` variable](#arguments_variable), a space separated list.
+
+
+ ```less
+ .hello(@first, @rest...) {
+ color: @first;
+ text-shadow: @rest;
+ }
+
+ span {
+ .hello(red, 1px, 1px, 0px, white);
+ }
+
+ ```
+
+Another way of controlling whether a mixin matches is by specifying a value in
+place of an argument name when declaring the mixin:
+
+ ```less
+ .style(old, @size) {
+ font: @size serif;
+ }
+
+ .style(new, @size) {
+ font: @size sans-serif;
+ }
+
+ .style(@_, @size) {
+ letter-spacing: floor(@size / 6px);
+ }
+
+ em {
+ @switch: old;
+ .style(@switch, 15px);
+ }
+ ```
+
+Notice that two of the three mixins were matched. The mixin with a matching
+first argument, and the generic mixin that matches two arguments. It's common
+to use `@_` as the name of a variable we intend to not use. It has no special
+meaning to LESS, just to the reader of the code.
+
+#### Guards
+
+Another way of restricting when a mixin is mixed in is by using guards. A guard
+is a special expression that is associated with a mixin declaration that is
+evaluated during the mixin process. It must evaluate to true before the mixin
+can be used.
+
+We use the `when` keyword to begin describing a list of guard expressions.
+
+Here's a simple example:
+
+ ```less
+ .guarded(@arg) when (@arg = hello) {
+ color: blue;
+ }
+
+ div {
+ .guarded(hello); // match
+ }
+
+ span {
+ .guarded(world); // no match
+ }
+ ```
+Only the `div`'s mixin will match in this case, because the guard expression
+requires that `@arg` is equal to `hello`.
+
+We can include many different guard expressions by separating them by commas.
+Only one of them needs to match to trigger the mixin:
+
+ ```less
+ .x(@a, @b) when (@a = hello), (@b = world) {
+ width: 960px;
+ }
+
+ div {
+ .x(hello, bar); // match
+ }
+
+ span {
+ .x(foo, world); // match
+ }
+
+ pre {
+ .x(foo, bar); // no match
+ }
+ ```
+
+Instead of a comma, we can use `and` keyword to make it so all of the guards
+must match in order to trigger the mixin. `and` has higher precedence than the
+comma.
+
+ ```less
+ .y(@a, @b) when (@a = hello) and (@b = world) {
+ height: 600px;
+ }
+
+ div {
+ .y(hello, world); // match
+ }
+
+ span {
+ .y(hello, bar); // no match
+ }
+ ```
+
+Commas and `and`s can be mixed and matched.
+
+You can also negate a guard expression by using `not` in from of the parentheses:
+
+ ```less
+ .x(@a) when not (@a = hello) {
+ color: blue;
+ }
+
+ div {
+ .x(hello); // no match
+ }
+ ```
+
+The `=` operator is used to check equality between any two values. For numbers
+the following comparison operators are also defined:
+
+`<`, `>`, `=<`, `>=`
+
+There is also a collection of predicate functions that can be used to test the
+type of a value.
+
+These are `isnumber`, `iscolor`, `iskeyword`, `isstring`, `ispixel`,
+`ispercentage` and `isem`.
+
+ ```less
+ .mix(@a) when (ispercentage(@a)) {
+ height: 500px * @a;
+ }
+ .mix(@a) when (ispixel(@a)) {
+ height: @a;
+ }
+
+ div.a {
+ .mix(50%);
+ }
+
+ div.a {
+ .mix(350px);
+ }
+ ```
+
+#### !important
+
+If you want to apply the `!important` suffix to every property when mixing in a
+mixin, just append `!important` to the end of the call to the mixin:
+
+ ```less
+ .make_bright {
+ color: red;
+ font-weight: bold;
+ }
+
+ .color {
+ color: green;
+ }
+
+ body {
+ .make_bright() !important;
+ .color();
+ }
+
+ ```
+
+### Selector Expressions
+
+Sometimes we want to dynamically generate the selector of a block based on some
+variable or expression. We can do this by using *selector expressions*. Selector
+expressions are CSS selectors that are evaluated in the current scope before
+being written out.
+
+A simple example is a mixin that dynamically creates a selector named after the
+mixin's argument:
+
+ ```less
+ .create-selector(@name) {
+ (e(@name)) {
+ color: red;
+ }
+ }
+
+ .create-selector("hello");
+ .create-selector("world");
+ ```
+
+Any selector that is enclosed in `()` will have it's contents evaluated and
+directly written to output. The value is not changed any way before being
+outputted, thats why we use the `e` function. If you're not familiar, the `e`
+function strips quotes off a string value. If we didn't have it, then the
+selector would have quotes around it, and that's not valid CSS!
+
+Any value can be used in a selector expression, but it works best when using
+strings and things like [String Interpolation](#string_interpolation).
+
+Here's an interesting example adapted from Twitter Bootstrap. A couple advanced
+things are going on. We are using [Guards](#guards) along with a recursive
+mixin to work like a loop to generate a series of CSS blocks.
+
+
+ ```less
+ // create our recursive mixin:
+ .spanX (@index) when (@index > 0) {
+ (~".span@{index}") {
+ width: @index * 100px;
+ }
+ .spanX(@index - 1);
+ }
+ .spanX (0) {}
+
+ // mix it into the global scopee:
+ .spanX(4);
+ ```
+
+### Import
+
+Multiple LESS files can be compiled into a single CSS file by using the
+`@import` statement. Be careful, the LESS import statement shares syntax with
+the CSS import statement. If the file being imported ends in a `.less`
+extension, or no extension, then it is treated as a LESS import. Otherwise it
+is left alone and outputted directly:
+
+ ```less
+ // my_file.less
+ .some-mixin(@height) {
+ height: @height;
+ }
+
+ // main.less
+ @import "main.less" // will import the file if it can be found
+ @import "main.css" // will be left alone
+
+ body {
+ .some-mixin(400px);
+ }
+ ```
+
+All of the following lines are valid ways to import the same file:
+
+ ```less
+ @import "file";
+ @import 'file.less';
+ @import url("file");
+ @import url('file');
+ @import url(file);
+ ```
+
+When importing, the `importDir` is searched for files. This can be configured,
+see [PHP Interface](#php_interface).
+
+### String Interpolation
+
+String interpolation is a convenient way to insert the value of a variable
+right into a string literal. Given some variable named `@var_name`, you just
+need to write it as `@{var_name}` from within the string to have its value
+inserted:
+
+ ```less
+ @symbol: ">";
+ h1:before {
+ content: "@{symbol}: ";
+ }
+
+ h2:before {
+ content: "@{symbol}@{symbol}: ";
+ }
+ ```
+
+There are two kinds of strings, implicit and explicit strings. Explicit strings
+are wrapped by double quotes, `"hello I am a string"`, or single quotes `'I am
+another string'`. Implicit strings only appear when using `url()`. The text
+between the parentheses is considered a string and thus string interpolation is
+possible:
+
+ ```less
+ @path: "files/";
+ body {
+ background: url(@{path}my_background.png);
+ }
+ ```
+
+### String Format Function
+
+The `%` function can be used to insert values into strings using a *format
+string*. It works similar to `printf` seen in other languages. It has the
+same purpose as string interpolation above, but gives explicit control over
+the output format.
+
+ ```less
+ @symbol: ">";
+ h1:before {
+ content: %("%s: ", @symbol);
+ }
+ ```
+
+The `%` function takes as its first argument the format string, following any
+number of addition arguments that are inserted in place of the format
+directives.
+
+A format directive starts with a `%` and is followed by a single character that
+is either `a`, `d`, or `s`:
+
+ ```less
+ strings: %("%a %d %s %a", hi, 1, 'ok', 'cool');
+ ```
+
+`%a` and `%d` format the value the same way: they compile the argument to its
+CSS value and insert it directly. When used with a string, the quotes are
+included in the output. This typically isn't what we want, so we have the `%s`
+format directive which strips quotes from strings before inserting them.
+
+The `%d` directive functions the same as `%a`, but is typically used for numbers
+assuming the output format of numbers might change in the future.
+
+### String Unquoting
+
+Sometimes you will need to write proprietary CSS syntax that is unable to be
+parsed. As a workaround you can place the code into a string and unquote it.
+Unquoting is the process of outputting a string without its surrounding quotes.
+There are two ways to unquote a string.
+
+The `~` operator in front of a string will unquote that string:
+
+ ```less
+ .class {
+ // a made up, but problematic vendor specific CSS
+ filter: ~"Microsoft.AlphaImage(src='image.png')";
+ }
+ ```
+
+If you are working with other types, such as variables, there is a built in
+function that let's you unquote any value. It is called `e`.
+
+ ```less
+ @color: "red";
+ .class {
+ color: e(@color);
+ }
+ ```
+
+### Built In Functions
+
+**lessphp** has a collection of built in functions:
+
+* `e(str)` -- returns a string without the surrounding quotes.
+ See [String Unquoting](#string_unquoting)
+
+* `floor(number)` -- returns the floor of a numerical input
+* `round(number)` -- returns the rounded value of numerical input
+
+* `lighten(color, percent)` -- lightens `color` by `percent` and returns it
+* `darken(color, percent)` -- darkens `color` by `percent` and returns it
+
+* `saturate(color, percent)` -- saturates `color` by `percent` and returns it
+* `desaturate(color, percent)` -- desaturates `color` by `percent` and returns it
+
+* `fadein(color, percent)` -- makes `color` less transparent by `percent` and returns it
+* `fadeout(color, percent)` -- makes `color` more transparent by `percent` and returns it
+
+* `spin(color, amount)` -- returns a color with `amount` degrees added to hue
+
+* `fade(color, amount)` -- returns a color with the alpha set to `amount`
+
+* `hue(color)` -- returns the hue of `color`
+
+* `saturation(color)` -- returns the saturation of `color`
+
+* `lightness(color)` -- returns the lightness of `color`
+
+* `alpha(color)` -- returns the alpha value of `color` or 1.0 if it doesn't have an alpha
+
+* `percentage(number)` -- converts a floating point number to a percentage, e.g. `0.65` -> `65%`
+
+* `mix(color1, color1, percent)` -- mixes two colors by percentage where 100%
+ keeps all of `color1`, and 0% keeps all of `color2`. Will take into account
+ the alpha of the colors if it exists. See
+ <http://sass-lang.com/docs/yardoc/Sass/Script/Functions.html#mix-instance_method>.
+
+* `rgbahex(color)` -- returns a string containing 4 part hex color.
+
+ This is used to convert a CSS color into the hex format that IE's filter
+ method expects when working with an alpha component.
+
+ ```less
+ .class {
+ @start: rgbahex(rgba(25, 34, 23, .5));
+ @end: rgbahex(rgba(85, 74, 103, .6));
+ // abridged example
+ -ms-filter:
+ e("gradient(start=@{start},end=@{end})");
+ }
+ ```
+
+## PHP Interface
+
+The PHP interface lets you control the compiler from your PHP scripts. There is
+only one file to include to get access to everything:
+
+ ```php
+ <?php
+ include "lessc.inc.php";
+ ```
+
+To compile a file to a string (of CSS code):
+
+ ```php
+ $less = new lessc("myfile.less");
+ $css = $less->parse();
+ ```
+
+To compile a string to a string:
+
+ ```php
+ $less = new lessc(); // a blank lessc
+ $css = $less->parse("body { a { color: red } }");
+ ```
+
+### Output Formatting
+
+Besides the default output formatter, **lessphp** comes with two additional
+ones, and it's easy to make your own.
+
+The first extra formatter is called `compressed`. It compresses the output by
+removing any extra whitespace.
+
+We use the `setFormatter` method set the formatter that should be used. Just
+pass the name of the formatter:
+
+ ```php
+ $less = new lessc("myfile.less");
+
+ $less->setFormatter("compressed");
+
+ $css = $less->parse();
+ ```
+
+The second formatter is called `indent`. It will indent CSS blocks based on how
+they were nested in the LESS code.
+
+#### Custom Formatter
+
+The easiest way to customize is to create your own instance of the formatter
+and alter its public properties before passing it off to **lessphp**. The
+`setFormatter` method can also take an instance of a formatter.
+
+For example, let's use tabs instead of the default two spaces to indent:
+
+ ```php
+ $formatter = new lessc_formatter;
+ $formatter->indentChar = "\t";
+
+ $less = new lessc("myfile.less");
+ $less->setFormatter($formatter);
+ $css = $less->parse();
+ ```
+
+For more information about what can be configured with the formatter consult
+the sourcecode.
+
+### Compiling Automatically
+
+Often, you want to write the compiled CSS to a file, and only recompile when
+the original LESS file has changed. The following function will check if the
+modification date of the LESS file is more recent than the CSS file. The LESS
+file will be compiled if it is. If the CSS file doesn't exist yet, then it will
+also compile the LESS file.
+
+ ```php
+ lessc::ccompile('myfile.less', 'mystyle.css');
+ ```
+
+`ccompile` is very basic, it only checks if the input file's modification time.
+It is not of any files that are brought in using `@import`.
+
+For this reason we also have `lessc::cexecute`. It functions slightly
+differently, but gives us the ability to check changes to all files used during
+the compile. It takes one argument, either the name of the file we want to
+compile, or an existing *cache object*. Its return value is an updated cache
+object.
+
+If we don't have a cache object, then we call the function with the name of the
+file to get the initial cache object. If we do have a cache object, then we
+call the function with it. In both cases, an updated cache object is returned.
+
+The cache object keeps track of all the files that must be checked in order to
+determine if a rebuild is required.
+
+The cache object is a plain PHP `array`. It stores the last time it compiled in
+`$cache['updated']` and output of the compile in `$cache['compiled']`.
+
+Here we demonstrate creating an new cache object, then using it to see if we
+have a recompiled version available to be written:
+
+
+ ```php
+ $less_file = 'myfile.less';
+ $css_file = 'myfile.css';
+
+ // create a new cache object, and compile
+ $cache = lessc::cexecute('myfile.less');
+ file_put_contents($css_file, $cache['compiled']);
+
+ // the next time we run, write only if it has updated
+ $last_updated = $cache['updated'];
+ $cache = lessc::cexecute($cache);
+ if ($cache['updated'] > $last_updated) {
+ file_put_contents($css_file, $cache['compiled']);
+ }
+
+ ```
+
+In order for the system to fully work, we must save cache object between
+requests. Because it's a plain PHP `array`, it's sufficient to
+[`serialize`](http://php.net/serialize) it and save it the string somewhere
+like a file or in persistent memory.
+
+An example with saving cache object to a file:
+
+ ```php
+ function auto_compile_less($less_fname, $css_fname) {
+ // load the cache
+ $cache_fname = $less_fname.".cache";
+ if (file_exists($cache_fname)) {
+ $cache = unserialize(file_get_contents($cache_fname));
+ } else {
+ $cache = $less_fname;
+ }
+
+ $new_cache = lessc::cexecute($cache);
+ if (!is_array($cache) || $new_cache['updated'] > $cache['updated']) {
+ file_put_contents($cache_fname, serialize($new_cache));
+ file_put_contents($css_fname, $new_cache['compiled']);
+ }
+ }
+
+ auto_compile_less('myfile.less', 'myfile.css');
+ ```
+
+`lessc:cexecute` takes an optional second argument, `$force`. Passing in true
+will cause the input to always be recompiled.
+
+### Error Handling
+
+All of the following methods will throw an `Exception` if the parsing fails:
+
+ ```php
+ $less = new lessc();
+ try {
+ $less->parse("} invalid LESS }}}");
+ } catch (Exception $ex) {
+ echo "lessphp fatal error: ".$ex->getMessage();
+ }
+ ```
+### Setting Variables From PHP
+
+The `parse` function takes a second optional argument. If you want to
+initialize variables from outside the LESS file then you can pass in an
+associative array of names and values. The values will parsed as CSS values:
+
+ ```php
+ $less = new lessc();
+ echo $less->parse(".magic { color: @color; width: @base - 200; }",
+ array(
+ 'color' => 'red';
+ 'base' => '960px';
+ ));
+ ```
+
+You can also do this when loading from a file. If the first argument of `parse`
+is an array it will be used an array of variables to set.
+
+ ```php
+ $less = new lessc("myfile.less");
+ echo $less->parse(array('color' => 'blue'));
+ ```
+
+### Custom Functions
+
+**lessphp** has a simple extension interface where you can implement user
+functions that will be exposed in LESS code during the compile. They can be a
+little tricky though because you need to work with the **lessphp** type system.
+
+An instance of `lessc`, the **lessphp** compiler has two relevant methods:
+`registerFunction` and `unregisterFunction`. `registerFunction` takes two
+arguments, a name and a callable value. `unregisterFunction` just takes the
+name of an existing function to remove.
+
+Here's an example that adds a function called `double` that doubles any numeric
+argument:
+
+ ```php
+ <?php
+ include "lessc.inc.php";
+
+ function lessphp_double($arg) {
+ list($type, $value) = $arg;
+ return array($type, $value*2);
+ }
+
+ $myless = new myless();
+ $myless->registerFunction("double", "lessphp_double");
+
+ // gives us a width of 800px
+ echo $myless->parse("div { width: double(400px); }");
+ ```
+
+The second argument to `registerFunction` is any *callable value* that is
+understood by [`call_user_func`](http://php.net/call_user_func).
+
+If we are using PHP 5.3 or above then we are free to pass a function literal
+like so:
+
+ ```php
+ $myless->registerFunction("double", function($arg) {
+ list($type, $value) = $arg;
+ return array($type, $value*2);
+ });
+ ```
+
+Now let's talk about the `double` function itself.
+
+Although a little verbose, the implementation gives us some insight on the type
+system. All values in **lessphp** are stored in an array where the 0th element
+is a string representing the type, and the other elements make up the
+associated data for that value.
+
+The best way to get an understanding of the system is to register is dummy
+function which does a `vardump` on the argument. Try passing the function
+different values from LESS and see what the results are.
+
+The return value of the registered function must also be a **lessphp** type, but if it is
+a string or numeric value, it will automatically be coerced into an appropriate
+typed value. In our example, we reconstruct the value with our modifications
+while making sure that we preserve the original type.
+
+In addition to the arguments passed from **lessphp**, the instance of
+**lessphp** itself is sent to the registered function as the second argument.
+
+## Command Line Interface
+
+**lessphp** comes with a command line script written in PHP that can be used to
+invoke the compiler from the terminal. On Linux an OSX, all you need to do is
+place `plessc` and `lessc.inc.php` somewhere in your PATH (or you can run it in
+the current directory as well). On windows you'll need a copy of `php.exe` to
+run the file. To compile a file, `input.less` to CSS, run:
+
+ ```bash
+ $ plessc input.less
+ ```
+
+To write to a file, redirect standard out:
+
+ ```bash
+ $ plessc input.less > output.css
+ ```
+
+To compile code directly on the command line:
+
+ ```bash
+ $ plessc -r "@color: red; body { color: @color; }"
+ ```
+
+To watch a file for changes, and compile it as needed, use the `-w` flag:
+
+ ```bash
+ $ plessc -w input-file output-file
+ ```
+
+Errors from watch mode are written to standard out.
+
+
+## License
+
+Copyright (c) 2010 Leaf Corcoran, <http://leafo.net/lessphp>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+*Also under GPL3 if required, see `LICENSE` file*
+
diff --git a/mod/less/vendors/lessphp/lessc.inc.php b/mod/less/vendors/lessphp/lessc.inc.php
new file mode 100644
index 000000000..d710fdf8a
--- /dev/null
+++ b/mod/less/vendors/lessphp/lessc.inc.php
@@ -0,0 +1,2910 @@
+<?php
+
+/**
+ * lessphp v0.3.5
+ * http://leafo.net/lessphp
+ *
+ * LESS css compiler, adapted from http://lesscss.org
+ *
+ * Copyright 2012, Leaf Corcoran <leafot@gmail.com>
+ * Licensed under MIT or GPLv3, see LICENSE
+ */
+
+
+/**
+ * The less compiler and parser.
+ *
+ * Converting LESS to CSS is a two stage process. The incoming file is parsed
+ * by `lessc_parser` into a tree, then compiled to CSS text by `lessc`. The
+ * compile step has an implicit step called reduction, where values are brought
+ * to their lowest form before being turned to text, eg. mathematical equations
+ * are solved, and variables are dereferenced.
+ *
+ * The `lessc` class creates an intstance of the parser, feeds it LESS code, then
+ * compiles the resulting tree to CSS
+ *
+ * The `lessc_parser` class is only concerned with parsing its input.
+ *
+ * The `lessc_formatter` classes are used to format the output of the CSS,
+ * controlling things like whitespace and line-breaks.
+ */
+class lessc {
+ static public $VERSION = "v0.3.5";
+ static protected $TRUE = array("keyword", "true");
+ static protected $FALSE = array("keyword", "false");
+
+ protected $libFunctions = array();
+
+ protected $indentLevel;
+
+ protected $env = null;
+
+ protected $allParsedFiles = array();
+
+ public $vPrefix = '@'; // prefix of abstract properties
+ public $mPrefix = '$'; // prefix of abstract blocks
+ public $parentSelector = '&';
+
+ // types that must be reduced before being compiled
+ static protected $dtypes = array('expression', 'variable',
+ 'function', 'negative', 'list', 'lookup');
+
+ public $importDisabled = false;
+ public $importDir = '';
+
+ public $compat = true; // lessjs compatibility mode, does nothing right now
+
+ // set to the parser that generated the current line when compiling
+ // so we know how to create error messages
+ protected $sourceParser = null;
+ protected $sourceLoc = null;
+
+ // attempts to find the path of an import url, returns null for css files
+ function findImport($url) {
+ foreach ((array)$this->importDir as $dir) {
+ $full = $dir.(substr($dir, -1) != '/' ? '/' : '').$url;
+ if ($this->fileExists($file = $full.'.less') || $this->fileExists($file = $full)) {
+ return $file;
+ }
+ }
+
+ return null;
+ }
+
+ function fileExists($name) {
+ return is_file($name);
+ }
+
+ static function compressList($items, $delim) {
+ if (count($items) == 1) return $items[0];
+ else return array('list', $delim, $items);
+ }
+
+ static function preg_quote($what) {
+ return preg_quote($what, '/');
+ }
+
+ // just do a shallow property merge, seems to be what lessjs does
+ function mergeBlock($target, $from) {
+ $target = clone $target;
+ $target->props = array_merge($target->props, $from->props);
+ return $target;
+ }
+
+ // attempt to import $import into $parentBlock
+ // $props is the property array that will given to $parentBlock at the end
+ function mixImport($import, $parentBlock, &$props) {
+ list(, $url, $media) = $import;
+
+ if (empty($media) && substr_compare($url, '.css', -4, 4) !== 0) {
+ if ($this->importDisabled) {
+ $props[] = array('raw', '/* import disabled */');
+ return true;
+ }
+
+ $realPath = $this->findImport($url);
+ if (!is_null($realPath)) {
+ $this->addParsedFile($realPath);
+
+ $parser = new lessc_parser($this, $realPath);
+ $root = $parser->parse(file_get_contents($realPath));
+ $root->isRoot = false;
+ $root->parent = $parentBlock;
+
+ // handle all the imports in the new file
+ $pi = pathinfo($realPath);
+ $this->mixImports($root, $pi['dirname'].'/');
+
+ // inject imported blocks into this block, local will overwrite import
+ $parentBlock->children =
+ array_merge($root->children,$parentBlock->children);
+
+ // splice in the props
+ foreach ($root->props as $prop) {
+ // leave a reference to the file where it came from
+ if (isset($prop[-1]) && !is_array($prop[-1])) {
+ $prop[-1] = array($parser, $prop[-1]);
+ }
+ $props[] = $prop;
+ }
+
+ return true;
+ }
+ }
+
+ // fallback to regular css import
+ $props[] = array('raw', '@import url("'.$url.'")'.($media ? ' '.$media : '').';');
+ return false;
+ }
+
+ // import all imports mentioned in the block
+ function mixImports($block, $importDir = null) {
+ $oldImport = $this->importDir;
+ if (!is_null($importDir)) {
+ $this->importDir = array_merge((array)$importDir, (array)$this->importDir);
+ }
+
+ $props = array();
+ foreach ($block->props as $prop) {
+ if ($prop[0] == 'import') {
+ $this->mixImport($prop, $block, $props);
+ } else {
+ $props[] = $prop;
+ }
+ }
+ $block->props = $props;
+ $this->importDir = $oldImport;
+ }
+
+ /**
+ * Recursively compiles a block.
+ * @param $block the block
+ * @param $parentTags the tags of the block that contained this one
+ *
+ * A block is analogous to a CSS block in most cases. A single less document
+ * is encapsulated in a block when parsed, but it does not have parent tags
+ * so all of it's children appear on the root level when compiled.
+ *
+ * Blocks are made up of props and children.
+ *
+ * Props are property instructions, array tuples which describe an action
+ * to be taken, eg. write a property, set a variable, mixin a block.
+ *
+ * The children of a block are just all the blocks that are defined within.
+ *
+ * Compiling the block involves pushing a fresh environment on the stack,
+ * and iterating through the props, compiling each one.
+ *
+ * See lessc::compileProp()
+ *
+ */
+ function compileBlock($block, $parent_tags = null) {
+ if (!empty($block->no_multiply)) {
+ $special_block = true;
+ $tags = array();
+ } else {
+ $special_block = false;
+
+ // evaluate expression tags
+ $tags = null;
+ if (is_array($block->tags)) {
+ $tags = array();
+ foreach ($block->tags as $tag) {
+ if (is_array($tag)) {
+ list(, $value) = $tag;
+ $tags[] = $this->compileValue($this->reduce($value));
+ } else {
+ $tags[] = $tag;
+ }
+ }
+ }
+
+ $tags = $this->multiplyTags($parent_tags, $tags);
+ }
+
+ $env = $this->pushEnv();
+ $env->nameDepth = array();
+
+ $lines = array();
+ $blocks = array();
+ $this->mixImports($block);
+
+ $idelta = $this->formatter->indentAmount($block);
+ $this->indentLevel += $idelta;
+
+ foreach ($this->sortProps($block->props) as $prop) {
+ $this->compileProp($prop, $block, $tags, $lines, $blocks);
+ }
+ $this->indentLevel -= $idelta;
+
+ $block->scope = $env;
+
+ $this->pop();
+
+ // override tags if it's a special block
+ if (isset($block->media)) {
+ $tags = $this->compileMedia($block);
+ } elseif (isset($block->keyframes)) {
+ $tags = $block->tags[0]." ".
+ $this->compileValue($this->reduce($block->keyframes));
+ } elseif ($special_block) { // font-face and the like
+ $tags = $block->tags[0];
+ }
+
+ return $this->formatter->block($tags, $special_block, $lines,
+ $blocks, $this->indentLevel);
+ }
+
+ function sortProps($props) {
+ $out = array();
+ foreach ($props as $prop) {
+ if ($prop[0] == "assign") $out[] = $prop;
+ }
+
+ foreach ($props as $prop) {
+ if ($prop[0] != "assign") $out[] = $prop;
+ }
+
+ return $out;
+ }
+
+ function expandParentSelectors(&$tag, $replace) {
+ $parts = explode("$&$", $tag);
+ $count = 0;
+ foreach ($parts as &$part) {
+ $part = str_replace($this->parentSelector, $replace, $part, $c);
+ $count += $c;
+ }
+ $tag = implode($this->parentSelector, $parts);
+ return $count;
+ }
+
+ // find the fully qualified tags for a block and its parent's tags
+ function multiplyTags($parents, $current) {
+ if ($parents == null) {
+ if (is_array($current)) {
+ // get rid of parent selectors and escapes in top level tag
+ foreach ($current as &$tag) {
+ $this->expandParentSelectors($tag, "");
+ }
+ }
+ return $current;
+ }
+
+ $tags = array();
+ foreach ($parents as $ptag) {
+ foreach ($current as $tag) {
+ $count = $this->expandParentSelectors($tag, $ptag);
+
+ // don't prepend the parent tag if & was used
+ if ($count > 0) {
+ $tags[] = trim($tag);
+ } else {
+ $tags[] = trim($ptag . ' ' . $tag);
+ }
+ }
+ }
+
+ return $tags;
+ }
+
+ function eq($left, $right) {
+ return $left == $right;
+ }
+
+ function patternMatch($block, $callingArgs) {
+ // match the guards if it has them
+ // any one of the groups must have all its guards pass for a match
+ if (!empty($block->guards)) {
+ $group_passed = false;
+ foreach ($block->guards as $guard_group) {
+ foreach ($guard_group as $guard) {
+ $this->pushEnv();
+ $this->zipSetArgs($block->args, $callingArgs);
+
+ $negate = false;
+ if ($guard[0] == "negate") {
+ $guard = $guard[1];
+ $negate = true;
+ }
+
+ $passed = $this->reduce($guard) == self::$TRUE;
+ if ($negate) $passed = !$passed;
+
+ $this->pop();
+
+ if ($passed) {
+ $group_passed = true;
+ } else {
+ $group_passed = false;
+ break;
+ }
+ }
+
+ if ($group_passed) break;
+ }
+
+ if (!$group_passed) {
+ return false;
+ }
+ }
+
+ $numCalling = count($callingArgs);
+
+ if (empty($block->args)) {
+ return $block->is_vararg || $numCalling == 0;
+ }
+
+ $i = -1; // no args
+ // try to match by arity or by argument literal
+ foreach ($block->args as $i => $arg) {
+ switch ($arg[0]) {
+ case "lit":
+ if (empty($callingArgs[$i]) || !$this->eq($arg[1], $callingArgs[$i])) {
+ return false;
+ }
+ break;
+ case "arg":
+ // no arg and no default value
+ if (!isset($callingArgs[$i]) && !isset($arg[2])) {
+ return false;
+ }
+ break;
+ case "rest":
+ $i--; // rest can be empty
+ break 2;
+ }
+ }
+
+ if ($block->is_vararg) {
+ return true; // not having enough is handled above
+ } else {
+ $numMatched = $i + 1;
+ // greater than becuase default values always match
+ return $numMatched >= $numCalling;
+ }
+ }
+
+ function patternMatchAll($blocks, $callingArgs) {
+ $matches = null;
+ foreach ($blocks as $block) {
+ if ($this->patternMatch($block, $callingArgs)) {
+ $matches[] = $block;
+ }
+ }
+
+ return $matches;
+ }
+
+ // attempt to find blocks matched by path and args
+ function findBlocks($search_in, $path, $args, $seen=array()) {
+ if ($search_in == null) return null;
+ if (isset($seen[$search_in->id])) return null;
+ $seen[$search_in->id] = true;
+
+ $name = $path[0];
+
+ if (isset($search_in->children[$name])) {
+ $blocks = $search_in->children[$name];
+ if (count($path) == 1) {
+ $matches = $this->patternMatchAll($blocks, $args);
+ if (!empty($matches)) {
+ // This will return all blocks that match in the closest
+ // scope that has any matching block, like lessjs
+ return $matches;
+ }
+ } else {
+ return $this->findBlocks($blocks[0],
+ array_slice($path, 1), $args, $seen);
+ }
+ }
+
+ if ($search_in->parent === $search_in) return null;
+ return $this->findBlocks($search_in->parent, $path, $args, $seen);
+ }
+
+ // sets all argument names in $args to either the default value
+ // or the one passed in through $values
+ function zipSetArgs($args, $values) {
+ $i = 0;
+ $assigned_values = array();
+ foreach ($args as $a) {
+ if ($a[0] == "arg") {
+ if ($i < count($values) && !is_null($values[$i])) {
+ $value = $values[$i];
+ } elseif (isset($a[2])) {
+ $value = $a[2];
+ } else $value = null;
+
+ $value = $this->reduce($value);
+ $this->set($a[1], $value);
+ $assigned_values[] = $value;
+ }
+ $i++;
+ }
+
+ // check for a rest
+ $last = end($args);
+ if ($last[0] == "rest") {
+ $rest = array_slice($values, count($args) - 1);
+ $this->set($last[1], $this->reduce(array("list", " ", $rest)));
+ }
+
+ $this->env->arguments = $assigned_values;
+ }
+
+ // compile a prop and update $lines or $blocks appropriately
+ function compileProp($prop, $block, $tags, &$_lines, &$_blocks) {
+ // set error position context
+ if (isset($prop[-1])) {
+ if (is_array($prop[-1])) {
+ list($parser, $count) = $prop[-1];
+ $this->sourceParser = $parser;
+ $this->sourceLoc = $count;
+ } else {
+ $this->sourceParser = $this->parser;
+ $this->sourceLoc = $prop[-1];
+ }
+ } else {
+ $this->sourceLoc = -1;
+ }
+
+ switch ($prop[0]) {
+ case 'assign':
+ list(, $name, $value) = $prop;
+ if ($name[0] == $this->vPrefix) {
+ $this->set($name, $value);
+ } else {
+ $_lines[] = "$name:".
+ $this->compileValue($this->reduce($value)).";";
+ }
+ break;
+ case 'block':
+ list(, $child) = $prop;
+ $_blocks[] = $this->compileBlock($child, $tags);
+ break;
+ case 'mixin':
+ list(, $path, $args, $suffix) = $prop;
+
+ $args = array_map(array($this, "reduce"), (array)$args);
+ $mixins = $this->findBlocks($block, $path, $args);
+ if (is_null($mixins)) {
+ // echo "failed to find block: ".implode(" > ", $path)."\n";
+ break; // throw error here??
+ }
+
+ foreach ($mixins as $mixin) {
+ $old_scope = null;
+ if (isset($mixin->parent->scope)) {
+ $old_scope = $this->env;
+ $this->env = $mixin->parent->scope;
+ }
+
+ $have_args = false;
+ if (isset($mixin->args)) {
+ $have_args = true;
+ $this->pushEnv();
+ $this->zipSetArgs($mixin->args, $args);
+ }
+
+ $old_parent = $mixin->parent;
+ if ($mixin != $block) $mixin->parent = $block;
+
+ foreach ($this->sortProps($mixin->props) as $sub_prop) {
+ if($suffix !== null) {
+ $sub_prop[2] = array(
+ 'list', ' ',
+ array($sub_prop[2], array('keyword', $suffix))
+ );
+ }
+
+ $this->compileProp($sub_prop, $mixin, $tags, $_lines, $_blocks);
+ }
+
+ $mixin->parent = $old_parent;
+
+ if ($have_args) $this->pop();
+
+ if ($old_scope) {
+ $this->env = $old_scope;
+ }
+ }
+
+ break;
+ case 'raw':
+ $_lines[] = $prop[1];
+ break;
+ case 'charset':
+ list(, $value) = $prop;
+ $_lines[] = '@charset '.$this->compileValue($this->reduce($value)).';';
+ break;
+ default:
+ $this->throwError("unknown op: {$prop[0]}\n");
+ }
+ }
+
+
+ /**
+ * Compiles a primitive value into a CSS property value.
+ *
+ * Values in lessphp are typed by being wrapped in arrays, their format is
+ * typically:
+ *
+ * array(type, contents [, additional_contents]*)
+ *
+ * The input is expected to be reduced. This function will not work on
+ * things like expressions and variables.
+ */
+ function compileValue($value) {
+ switch ($value[0]) {
+ case 'list':
+ // [1] - delimiter
+ // [2] - array of values
+ return implode($value[1], array_map(array($this, 'compileValue'), $value[2]));
+ case 'keyword':
+ // [1] - the keyword
+ case 'number':
+ // [1] - the number
+ return $value[1];
+ case 'escape':
+ case 'string':
+ // [1] - contents of string (includes quotes)
+
+ // search for inline variables to replace
+ $replace = array();
+ if (preg_match_all('/'.self::preg_quote($this->vPrefix).'\{([\w-_][0-9\w-_]*)\}/', $value[1], $m)) {
+ foreach ($m[1] as $name) {
+ if (!isset($replace[$name]))
+ $replace[$name] = $this->compileValue($this->reduce(array('variable', $this->vPrefix . $name)));
+ }
+ }
+
+ foreach ($replace as $var=>$val) {
+ if ($this->quoted($val)) {
+ $val = substr($val, 1, -1);
+ }
+ $value[1] = str_replace($this->vPrefix. '{'.$var.'}', $val, $value[1]);
+ }
+
+ return $value[1];
+ case 'color':
+ // [1] - red component (either number for a %)
+ // [2] - green component
+ // [3] - blue component
+ // [4] - optional alpha component
+ list(, $r, $g, $b) = $value;
+ $r = round($r);
+ $g = round($g);
+ $b = round($b);
+
+ if (count($value) == 5 && $value[4] != 1) { // rgba
+ return 'rgba('.$r.','.$g.','.$b.','.$value[4].')';
+ }
+
+ $h = sprintf("#%02x%02x%02x", $r, $g, $b);
+
+ // Converting hex color to short notation (e.g. #003399 to #039)
+ if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) {
+ $h = '#' . $h[1] . $h[3] . $h[5];
+ }
+
+ return $h;
+
+ case 'function':
+ // [1] - function name
+ // [2] - some array value representing arguments, either ['string', value] or ['list', ',', values[]]
+
+ // see if function evaluates to something else
+ $value = $this->reduce($value);
+ if ($value[0] == 'function') {
+ return $value[1].'('.$this->compileValue($value[2]).')';
+ }
+ else return $this->compileValue($value);
+ default: // assumed to be unit
+ return $value[1].$value[0];
+ }
+ }
+
+ function compileMedia($block) {
+ $mediaParts = array();
+ foreach ($block->media as $part) {
+ if ($part[0] == "raw") {
+ $mediaParts[] = $part[1];
+ } elseif ($part[0] == "assign") {
+ list(, $propName, $propVal) = $part;
+ $mediaParts[] = "$propName: ".
+ $this->compileValue($this->reduce($propVal));
+ }
+ }
+
+ return "@media ".trim(implode($mediaParts));
+ }
+
+ function lib_isnumber($value) {
+ return $this->toBool(is_numeric($value[1]) && $value[0] != "color");
+ }
+
+ function lib_isstring($value) {
+ return $this->toBool($value[0] == "string");
+ }
+
+ function lib_iscolor($value) {
+ return $this->toBool($this->coerceColor($value));
+ }
+
+ function lib_iskeyword($value) {
+ return $this->toBool($value[0] == "keyword");
+ }
+
+ function lib_ispixel($value) {
+ return $this->toBool($value[0] == "px");
+ }
+
+ function lib_ispercentage($value) {
+ return $this->toBool($value[0] == "%");
+ }
+
+ function lib_isem($value) {
+ return $this->toBool($value[0] == "em");
+ }
+
+ function lib_rgbahex($color) {
+ $color = $this->coerceColor($color);
+ if (is_null($color))
+ $this->throwError("color expected for rgbahex");
+
+ return sprintf("#%02x%02x%02x%02x",
+ isset($color[4]) ? $color[4]*255 : 0,
+ $color[1],$color[2], $color[3]);
+ }
+
+ function lib_argb($color){
+ return $this->lib_rgbahex($color);
+ }
+
+ // utility func to unquote a string
+ function lib_e($arg) {
+ switch ($arg[0]) {
+ case "list":
+ $items = $arg[2];
+ if (isset($items[0])) {
+ return $this->lib_e($items[0]);
+ }
+ return "";
+ case "string":
+ $str = $this->compileValue($arg);
+ return substr($str, 1, -1);
+ default:
+ return $this->compileValue($arg);
+ }
+ }
+
+ function lib__sprintf($args) {
+ if ($args[0] != "list") return $args;
+ $values = $args[2];
+ $source = $this->reduce(array_shift($values));
+ if ($source[0] != "string") {
+ return $source;
+ }
+
+ $str = $source[1];
+ $i = 0;
+ if (preg_match_all('/%[dsa]/', $str, $m)) {
+ foreach ($m[0] as $match) {
+ $val = isset($values[$i]) ? $this->reduce($values[$i]) : array('keyword', '');
+ $i++;
+ switch ($match[1]) {
+ case "s":
+ if ($val[0] == "string") {
+ $rep = substr($val[1], 1, -1);
+ break;
+ }
+ default:
+ $rep = $this->compileValue($val);
+ }
+ $str = preg_replace('/'.self::preg_quote($match).'/', $rep, $str, 1);
+ }
+ }
+
+ return array('string', $str);
+ }
+
+ function lib_floor($arg) {
+ return array($arg[0], floor($arg[1]));
+ }
+
+ function lib_ceil($arg) {
+ return array($arg[0], ceil($arg[1]));
+ }
+
+ function lib_round($arg) {
+ return array($arg[0], round($arg[1]));
+ }
+
+ // is a string surrounded in quotes? returns the quoting char if true
+ function quoted($s) {
+ if (preg_match('/^("|\').*?\1$/', $s, $m))
+ return $m[1];
+ else return false;
+ }
+
+ /**
+ * Helper function to get arguments for color functions.
+ * Accepts invalid input, non colors interpreted as being black.
+ */
+ function colorArgs($args) {
+ if ($args[0] != 'list' || count($args[2]) < 2) {
+ return array(array('color', 0, 0, 0));
+ }
+ list($color, $delta) = $args[2];
+ $color = $this->coerceColor($color);
+ if (is_null($color))
+ $color = array('color', 0, 0, 0);
+
+ $delta = floatval($delta[1]);
+
+ return array($color, $delta);
+ }
+
+ function lib_darken($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[3] = $this->clamp($hsl[3] - $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ function lib_lighten($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[3] = $this->clamp($hsl[3] + $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ function lib_saturate($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[2] = $this->clamp($hsl[2] + $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ function lib_desaturate($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[2] = $this->clamp($hsl[2] - $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ function lib_spin($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+
+ $hsl[1] = $hsl[1] + $delta % 360;
+ if ($hsl[1] < 0) $hsl[1] += 360;
+
+ return $this->toRGB($hsl);
+ }
+
+ function lib_fadeout($args) {
+ list($color, $delta) = $this->colorArgs($args);
+ $color[4] = $this->clamp((isset($color[4]) ? $color[4] : 1) - $delta/100);
+ return $color;
+ }
+
+ function lib_fadein($args) {
+ list($color, $delta) = $this->colorArgs($args);
+ $color[4] = $this->clamp((isset($color[4]) ? $color[4] : 1) + $delta/100);
+ return $color;
+ }
+
+ function lib_hue($color) {
+ if ($color[0] != 'color') return 0;
+ $hsl = $this->toHSL($color);
+ return round($hsl[1]);
+ }
+
+ function lib_saturation($color) {
+ if ($color[0] != 'color') return 0;
+ $hsl = $this->toHSL($color);
+ return round($hsl[2]);
+ }
+
+ function lib_lightness($color) {
+ if ($color[0] != 'color') return 0;
+ $hsl = $this->toHSL($color);
+ return round($hsl[3]);
+ }
+
+ // get the alpha of a color
+ // defaults to 1 for non-colors or colors without an alpha
+ function lib_alpha($color) {
+ if ($color[0] != 'color') return 1;
+ return isset($color[4]) ? $color[4] : 1;
+ }
+
+ // set the alpha of the color
+ function lib_fade($args) {
+ list($color, $alpha) = $this->colorArgs($args);
+ $color[4] = $this->clamp($alpha / 100.0);
+ return $color;
+ }
+
+ function lib_percentage($number) {
+ return array('%', $number[1]*100);
+ }
+
+ // mixes two colors by weight
+ // mix(@color1, @color2, @weight);
+ // http://sass-lang.com/docs/yardoc/Sass/Script/Functions.html#mix-instance_method
+ function lib_mix($args) {
+ if ($args[0] != "list" || count($args[2]) < 3)
+ $this->throwError("mix expects (color1, color2, weight)");
+
+ list($first, $second, $weight) = $args[2];
+ $first = $this->assertColor($first);
+ $second = $this->assertColor($second);
+
+ $first_a = $this->lib_alpha($first);
+ $second_a = $this->lib_alpha($second);
+ $weight = $weight[1] / 100.0;
+
+ $w = $weight * 2 - 1;
+ $a = $first_a - $second_a;
+
+ $w1 = (($w * $a == -1 ? $w : ($w + $a)/(1 + $w * $a)) + 1) / 2.0;
+ $w2 = 1.0 - $w1;
+
+ $new = array('color',
+ $w1 * $first[1] + $w2 * $second[1],
+ $w1 * $first[2] + $w2 * $second[2],
+ $w1 * $first[3] + $w2 * $second[3],
+ );
+
+ if ($first_a != 1.0 || $second_a != 1.0) {
+ $new[] = $first_a * $weight + $second_a * ($weight - 1);
+ }
+
+ return $this->fixColor($new);
+ }
+
+ function assertColor($value, $error = "expected color value") {
+ $color = $this->coerceColor($value);
+ if (is_null($color)) $this->throwError($error);
+ return $color;
+ }
+
+ function toHSL($color) {
+ if ($color[0] == 'hsl') return $color;
+
+ $r = $color[1] / 255;
+ $g = $color[2] / 255;
+ $b = $color[3] / 255;
+
+ $min = min($r, $g, $b);
+ $max = max($r, $g, $b);
+
+ $L = ($min + $max) / 2;
+ if ($min == $max) {
+ $S = $H = 0;
+ } else {
+ if ($L < 0.5)
+ $S = ($max - $min)/($max + $min);
+ else
+ $S = ($max - $min)/(2.0 - $max - $min);
+
+ if ($r == $max) $H = ($g - $b)/($max - $min);
+ elseif ($g == $max) $H = 2.0 + ($b - $r)/($max - $min);
+ elseif ($b == $max) $H = 4.0 + ($r - $g)/($max - $min);
+
+ }
+
+ $out = array('hsl',
+ ($H < 0 ? $H + 6 : $H)*60,
+ $S*100,
+ $L*100,
+ );
+
+ if (count($color) > 4) $out[] = $color[4]; // copy alpha
+ return $out;
+ }
+
+ function toRGB_helper($comp, $temp1, $temp2) {
+ if ($comp < 0) $comp += 1.0;
+ elseif ($comp > 1) $comp -= 1.0;
+
+ if (6 * $comp < 1) return $temp1 + ($temp2 - $temp1) * 6 * $comp;
+ if (2 * $comp < 1) return $temp2;
+ if (3 * $comp < 2) return $temp1 + ($temp2 - $temp1)*((2/3) - $comp) * 6;
+
+ return $temp1;
+ }
+
+ /**
+ * Converts a hsl array into a color value in rgb.
+ * Expects H to be in range of 0 to 360, S and L in 0 to 100
+ */
+ function toRGB($color) {
+ if ($color == 'color') return $color;
+
+ $H = $color[1] / 360;
+ $S = $color[2] / 100;
+ $L = $color[3] / 100;
+
+ if ($S == 0) {
+ $r = $g = $b = $L;
+ } else {
+ $temp2 = $L < 0.5 ?
+ $L*(1.0 + $S) :
+ $L + $S - $L * $S;
+
+ $temp1 = 2.0 * $L - $temp2;
+
+ $r = $this->toRGB_helper($H + 1/3, $temp1, $temp2);
+ $g = $this->toRGB_helper($H, $temp1, $temp2);
+ $b = $this->toRGB_helper($H - 1/3, $temp1, $temp2);
+ }
+
+ // $out = array('color', round($r*255), round($g*255), round($b*255));
+ $out = array('color', $r*255, $g*255, $b*255);
+ if (count($color) > 4) $out[] = $color[4]; // copy alpha
+ return $out;
+ }
+
+ function clamp($v, $max = 1, $min = 0) {
+ return min($max, max($min, $v));
+ }
+
+ /**
+ * Convert the rgb, rgba, hsl color literals of function type
+ * as returned by the parser into values of color type.
+ */
+ function funcToColor($func) {
+ $fname = $func[1];
+ if ($func[2][0] != 'list') return false; // need a list of arguments
+ $rawComponents = $func[2][2];
+
+ if ($fname == 'hsl' || $fname == 'hsla') {
+ $hsl = array('hsl');
+ $i = 0;
+ foreach ($rawComponents as $c) {
+ $val = $this->reduce($c);
+ $val = isset($val[1]) ? floatval($val[1]) : 0;
+
+ if ($i == 0) $clamp = 360;
+ elseif ($i < 4) $clamp = 100;
+ else $clamp = 1;
+
+ $hsl[] = $this->clamp($val, $clamp);
+ $i++;
+ }
+
+ while (count($hsl) < 4) $hsl[] = 0;
+ return $this->toRGB($hsl);
+
+ } elseif ($fname == 'rgb' || $fname == 'rgba') {
+ $components = array();
+ $i = 1;
+ foreach ($rawComponents as $c) {
+ $c = $this->reduce($c);
+ if ($i < 4) {
+ if ($c[0] == '%') $components[] = 255 * ($c[1] / 100);
+ else $components[] = floatval($c[1]);
+ } elseif ($i == 4) {
+ if ($c[0] == '%') $components[] = 1.0 * ($c[1] / 100);
+ else $components[] = floatval($c[1]);
+ } else break;
+
+ $i++;
+ }
+ while (count($components) < 3) $components[] = 0;
+ array_unshift($components, 'color');
+ return $this->fixColor($components);
+ }
+
+ return false;
+ }
+
+ function toName($val) {
+ switch($val[0]) {
+ case "string":
+ return substr($val[1], 1, -1);
+ default:
+ return $val[1];
+ }
+ }
+
+ // reduce a delayed type to its final value
+ // dereference variables and solve equations
+ function reduce($var) {
+ // this is done here for infinite loop checking
+ if ($var[0] == "variable") {
+ $key = is_array($var[1]) ?
+ $this->vPrefix.$this->toName($this->reduce($var[1])) : $var[1];
+
+ $seen =& $this->env->seenNames;
+
+ if (!empty($seen[$key])) {
+ $this->throwError("infinite loop detected: $key");
+ }
+
+ $seen[$key] = true;
+
+ $out = $this->reduce($this->get($key));
+
+ $seen[$key] = false;
+
+ return $out;
+ }
+
+ while (in_array($var[0], self::$dtypes)) {
+ if ($var[0] == 'list') {
+ foreach ($var[2] as &$value) $value = $this->reduce($value);
+ break;
+ } elseif ($var[0] == 'expression') {
+ $var = $this->evaluate($var[1], $var[2], $var[3]);
+ } elseif ($var[0] == 'lookup') {
+ // do accessor here....
+ $var = array('number', 0);
+ } elseif ($var[0] == 'function') {
+ $color = $this->funcToColor($var);
+ if ($color) $var = $color;
+ else {
+ list($_, $name, $args) = $var;
+ if ($name == "%") $name = "_sprintf";
+ $f = isset($this->libFunctions[$name]) ?
+ $this->libFunctions[$name] : array($this, 'lib_'.$name);
+
+ if (is_callable($f)) {
+ if ($args[0] == 'list')
+ $args = self::compressList($args[2], $args[1]);
+
+ $var = call_user_func($f, $this->reduce($args), $this);
+
+ // convert to a typed value if the result is a php primitive
+ if (is_numeric($var)) $var = array('number', $var);
+ elseif (!is_array($var)) $var = array('keyword', $var);
+ } else {
+ // plain function, reduce args
+ $var[2] = $this->reduce($var[2]);
+ }
+ }
+ break; // done reducing after a function
+ } elseif ($var[0] == 'negative') {
+ $value = $this->reduce($var[1]);
+ if (is_numeric($value[1])) {
+ $value[1] = -1*$value[1];
+ }
+ $var = $value;
+ }
+ }
+
+ return $var;
+ }
+
+ function coerceColor($value) {
+ switch($value[0]) {
+ case 'color': return $value;
+ case 'keyword':
+ $name = $value[1];
+ if (isset(self::$cssColors[$name])) {
+ list($r, $g, $b) = explode(',', self::$cssColors[$name]);
+ return array('color', $r, $g, $b);
+ }
+ return null;
+ }
+ }
+
+ function toBool($a) {
+ if ($a) return self::$TRUE;
+ else return self::$FALSE;
+ }
+
+ // evaluate an expression
+ function evaluate($op, $left, $right) {
+ $left = $this->reduce($left);
+ $right = $this->reduce($right);
+
+ if ($left_color = $this->coerceColor($left)) {
+ $left = $left_color;
+ }
+
+ if ($right_color = $this->coerceColor($right)) {
+ $right = $right_color;
+ }
+
+ if ($op == "and") {
+ return $this->toBool($left == self::$TRUE && $right == self::$TRUE);
+ }
+
+ if ($op == "=") {
+ return $this->toBool($this->eq($left, $right) );
+ }
+
+ if ($left[0] == 'color' && $right[0] == 'color') {
+ $out = $this->op_color_color($op, $left, $right);
+ return $out;
+ }
+
+ if ($left[0] == 'color') {
+ return $this->op_color_number($op, $left, $right);
+ }
+
+ if ($right[0] == 'color') {
+ return $this->op_number_color($op, $left, $right);
+ }
+
+ // concatenate strings
+ if ($op == '+' && $left[0] == 'string') {
+ $append = $this->compileValue($right);
+ if ($this->quoted($append)) $append = substr($append, 1, -1);
+
+ $lhs = $this->compileValue($left);
+ if ($q = $this->quoted($lhs)) $lhs = substr($lhs, 1, -1);
+ if (!$q) $q = '';
+
+ return array('string', $q.$lhs.$append.$q);
+ }
+
+ if ($left[0] == 'keyword' || $right[0] == 'keyword' ||
+ $left[0] == 'string' || $right[0] == 'string')
+ {
+ // look for negative op
+ if ($op == '-') $right[1] = '-'.$right[1];
+ return array('keyword', $this->compileValue($left) .' '. $this->compileValue($right));
+ }
+
+ // default to number operation
+ return $this->op_number_number($op, $left, $right);
+ }
+
+ // make sure a color's components don't go out of bounds
+ function fixColor($c) {
+ foreach (range(1, 3) as $i) {
+ if ($c[$i] < 0) $c[$i] = 0;
+ if ($c[$i] > 255) $c[$i] = 255;
+ }
+
+ return $c;
+ }
+
+ function op_number_color($op, $lft, $rgt) {
+ if ($op == '+' || $op = '*') {
+ return $this->op_color_number($op, $rgt, $lft);
+ }
+ }
+
+ function op_color_number($op, $lft, $rgt) {
+ if ($rgt[0] == '%') $rgt[1] /= 100;
+
+ return $this->op_color_color($op, $lft,
+ array_fill(1, count($lft) - 1, $rgt[1]));
+ }
+
+ function op_color_color($op, $left, $right) {
+ $out = array('color');
+ $max = count($left) > count($right) ? count($left) : count($right);
+ foreach (range(1, $max - 1) as $i) {
+ $lval = isset($left[$i]) ? $left[$i] : 0;
+ $rval = isset($right[$i]) ? $right[$i] : 0;
+ switch ($op) {
+ case '+':
+ $out[] = $lval + $rval;
+ break;
+ case '-':
+ $out[] = $lval - $rval;
+ break;
+ case '*':
+ $out[] = $lval * $rval;
+ break;
+ case '%':
+ $out[] = $lval % $rval;
+ break;
+ case '/':
+ if ($rval == 0) $this->throwError("evaluate error: can't divide by zero");
+ $out[] = $lval / $rval;
+ break;
+ default:
+ $this->throwError('evaluate error: color op number failed on op '.$op);
+ }
+ }
+ return $this->fixColor($out);
+ }
+
+ // operator on two numbers
+ function op_number_number($op, $left, $right) {
+ $type = is_null($left) ? "number" : $left[0];
+ if ($type == "number") $type = $right[0];
+
+ $value = 0;
+ switch ($op) {
+ case '+':
+ $value = $left[1] + $right[1];
+ break;
+ case '*':
+ $value = $left[1] * $right[1];
+ break;
+ case '-':
+ $value = $left[1] - $right[1];
+ break;
+ case '%':
+ $value = $left[1] % $right[1];
+ break;
+ case '/':
+ if ($right[1] == 0) $this->throwError('parse error: divide by zero');
+ $value = $left[1] / $right[1];
+ break;
+ case '<':
+ return $this->toBool($left[1] < $right[1]);
+ case '>':
+ return $this->toBool($left[1] > $right[1]);
+ case '>=':
+ return $this->toBool($left[1] >= $right[1]);
+ case '=<':
+ return $this->toBool($left[1] <= $right[1]);
+ default:
+ $this->throwError('parse error: unknown number operator: '.$op);
+ }
+
+ return array($type, $value);
+ }
+
+
+ /* environment functions */
+
+ // used for compiliation variable state
+ function pushEnv() {
+ $e = new stdclass;
+ $e->parent = $this->env;
+
+ $this->store = array();
+
+ $this->env = $e;
+ return $e;
+ }
+
+ // pop something off the stack
+ function pop() {
+ $old = $this->env;
+ $this->env = $this->env->parent;
+ return $old;
+ }
+
+ // set something in the current env
+ function set($name, $value) {
+ $this->env->store[$name] = $value;
+ }
+
+
+ // get the highest occurrence entry for a name
+ function get($name) {
+ $current = $this->env;
+
+ $is_arguments = $name == $this->vPrefix . 'arguments';
+ while ($current) {
+ if ($is_arguments && isset($current->arguments)) {
+ return array('list', ' ', $current->arguments);
+ }
+
+ if (isset($current->store[$name]))
+ return $current->store[$name];
+ else
+ $current = $current->parent;
+ }
+
+ return null;
+ }
+
+ // create a child parser (for compiling an import)
+ protected function createChild($fname) {
+ $less = new lessc($fname);
+ $less->importDir = array_merge((array)$less->importDir, (array)$this->importDir);
+ $less->formatter = $this->formatter;
+ $less->compat = $this->compat;
+ return $less;
+ }
+
+ // inject array of unparsed strings into environment as variables
+ protected function injectVariables($args) {
+ $this->pushEnv();
+ $parser = new lessc_parser($this, __METHOD__);
+ foreach ($args as $name => $str_value) {
+ if ($name{0} != '@') $name = '@'.$name;
+ $parser->count = 0;
+ $parser->buffer = (string)$str_value;
+ if (!$parser->propertyValue($value)) {
+ throw new Exception("failed to parse passed in variable $name: $str_value");
+ }
+
+ $this->set($name, $value);
+ }
+ }
+
+ // parse and compile buffer
+ function parse($str = null, $initialVariables = null) {
+ if (is_array($str)) {
+ $initialVariables = $str;
+ $str = null;
+ }
+
+ $locale = setlocale(LC_NUMERIC, 0);
+ setlocale(LC_NUMERIC, "C");
+
+ $name = null;
+ if (is_null($str)) {
+ if (empty($this->fileName))
+ throw new exception("nothing to parse");
+
+ $name = $this->fileName;
+ $str = file_get_contents($this->fileName);
+ }
+
+ $this->parser = new lessc_parser($this, $name);
+ $root = $this->parser->parse($str);
+
+ $this->formatter = $this->newFormatter();
+
+ if ($initialVariables) $this->injectVariables($initialVariables);
+ $this->indentLevel = -1;
+ $out = $this->compileBlock($root);
+ setlocale(LC_NUMERIC, $locale);
+ return $out;
+ }
+
+ function setFormatter($name) {
+ $this->formatterName = $name;
+ }
+
+ function newFormatter() {
+ $className = "lessc_formatter";
+ if (!empty($this->formatterName)) {
+ if (!is_string($this->formatterName))
+ return $this->formatterName;
+ $className = "lessc_formatter_$this->formatterName";
+ }
+
+ return new $className;
+ }
+
+ /**
+ * Uses the current value of $this->count to show line and line number
+ */
+ function throwError($msg = null) {
+ if ($this->sourceLoc >= 0) {
+ $this->sourceParser->throwError($msg, $this->sourceLoc);
+ }
+ throw new exception($msg);
+ }
+
+ /**
+ * Initialize any static state, can initialize parser for a file
+ * $opts isn't used yet
+ */
+ function __construct($fname = null, $opts = null) {
+ if ($fname) {
+ if (!is_file($fname)) {
+ throw new Exception('load error: failed to find '.$fname);
+ }
+ $pi = pathinfo($fname);
+
+ $this->fileName = $fname;
+ $this->importDir = $pi['dirname'].'/';
+ $this->addParsedFile($fname);
+ }
+ }
+
+ public function registerFunction($name, $func) {
+ $this->libFunctions[$name] = $func;
+ }
+
+ public function unregisterFunction($name) {
+ unset($this->libFunctions[$name]);
+ }
+
+ public function allParsedFiles() { return $this->allParsedFiles; }
+ protected function addParsedFile($file) {
+ $this->allParsedFiles[realpath($file)] = filemtime($file);
+ }
+
+
+ // compile file $in to file $out if $in is newer than $out
+ // returns true when it compiles, false otherwise
+ public static function ccompile($in, $out) {
+ if (!is_file($out) || filemtime($in) > filemtime($out)) {
+ $less = new lessc($in);
+ file_put_contents($out, $less->parse());
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Execute lessphp on a .less file or a lessphp cache structure
+ *
+ * The lessphp cache structure contains information about a specific
+ * less file having been parsed. It can be used as a hint for future
+ * calls to determine whether or not a rebuild is required.
+ *
+ * The cache structure contains two important keys that may be used
+ * externally:
+ *
+ * compiled: The final compiled CSS
+ * updated: The time (in seconds) the CSS was last compiled
+ *
+ * The cache structure is a plain-ol' PHP associative array and can
+ * be serialized and unserialized without a hitch.
+ *
+ * @param mixed $in Input
+ * @param bool $force Force rebuild?
+ * @return array lessphp cache structure
+ */
+ public static function cexecute($in, $force = false) {
+
+ // assume no root
+ $root = null;
+
+ if (is_string($in)) {
+ $root = $in;
+ } elseif (is_array($in) and isset($in['root'])) {
+ if ($force or ! isset($in['files'])) {
+ // If we are forcing a recompile or if for some reason the
+ // structure does not contain any file information we should
+ // specify the root to trigger a rebuild.
+ $root = $in['root'];
+ } elseif (isset($in['files']) and is_array($in['files'])) {
+ foreach ($in['files'] as $fname => $ftime ) {
+ if (!file_exists($fname) or filemtime($fname) > $ftime) {
+ // One of the files we knew about previously has changed
+ // so we should look at our incoming root again.
+ $root = $in['root'];
+ break;
+ }
+ }
+ }
+ } else {
+ // TODO: Throw an exception? We got neither a string nor something
+ // that looks like a compatible lessphp cache structure.
+ return null;
+ }
+
+ if ($root !== null) {
+ // If we have a root value which means we should rebuild.
+ $less = new lessc($root);
+ $out = array();
+ $out['root'] = $root;
+ $out['compiled'] = $less->parse();
+ $out['files'] = $less->allParsedFiles();
+ $out['updated'] = time();
+ return $out;
+ } else {
+ // No changes, pass back the structure
+ // we were given initially.
+ return $in;
+ }
+
+ }
+
+ static protected $cssColors = array(
+ 'aliceblue' => '240,248,255',
+ 'antiquewhite' => '250,235,215',
+ 'aqua' => '0,255,255',
+ 'aquamarine' => '127,255,212',
+ 'azure' => '240,255,255',
+ 'beige' => '245,245,220',
+ 'bisque' => '255,228,196',
+ 'black' => '0,0,0',
+ 'blanchedalmond' => '255,235,205',
+ 'blue' => '0,0,255',
+ 'blueviolet' => '138,43,226',
+ 'brown' => '165,42,42',
+ 'burlywood' => '222,184,135',
+ 'cadetblue' => '95,158,160',
+ 'chartreuse' => '127,255,0',
+ 'chocolate' => '210,105,30',
+ 'coral' => '255,127,80',
+ 'cornflowerblue' => '100,149,237',
+ 'cornsilk' => '255,248,220',
+ 'crimson' => '220,20,60',
+ 'cyan' => '0,255,255',
+ 'darkblue' => '0,0,139',
+ 'darkcyan' => '0,139,139',
+ 'darkgoldenrod' => '184,134,11',
+ 'darkgray' => '169,169,169',
+ 'darkgreen' => '0,100,0',
+ 'darkgrey' => '169,169,169',
+ 'darkkhaki' => '189,183,107',
+ 'darkmagenta' => '139,0,139',
+ 'darkolivegreen' => '85,107,47',
+ 'darkorange' => '255,140,0',
+ 'darkorchid' => '153,50,204',
+ 'darkred' => '139,0,0',
+ 'darksalmon' => '233,150,122',
+ 'darkseagreen' => '143,188,143',
+ 'darkslateblue' => '72,61,139',
+ 'darkslategray' => '47,79,79',
+ 'darkslategrey' => '47,79,79',
+ 'darkturquoise' => '0,206,209',
+ 'darkviolet' => '148,0,211',
+ 'deeppink' => '255,20,147',
+ 'deepskyblue' => '0,191,255',
+ 'dimgray' => '105,105,105',
+ 'dimgrey' => '105,105,105',
+ 'dodgerblue' => '30,144,255',
+ 'firebrick' => '178,34,34',
+ 'floralwhite' => '255,250,240',
+ 'forestgreen' => '34,139,34',
+ 'fuchsia' => '255,0,255',
+ 'gainsboro' => '220,220,220',
+ 'ghostwhite' => '248,248,255',
+ 'gold' => '255,215,0',
+ 'goldenrod' => '218,165,32',
+ 'gray' => '128,128,128',
+ 'green' => '0,128,0',
+ 'greenyellow' => '173,255,47',
+ 'grey' => '128,128,128',
+ 'honeydew' => '240,255,240',
+ 'hotpink' => '255,105,180',
+ 'indianred' => '205,92,92',
+ 'indigo' => '75,0,130',
+ 'ivory' => '255,255,240',
+ 'khaki' => '240,230,140',
+ 'lavender' => '230,230,250',
+ 'lavenderblush' => '255,240,245',
+ 'lawngreen' => '124,252,0',
+ 'lemonchiffon' => '255,250,205',
+ 'lightblue' => '173,216,230',
+ 'lightcoral' => '240,128,128',
+ 'lightcyan' => '224,255,255',
+ 'lightgoldenrodyellow' => '250,250,210',
+ 'lightgray' => '211,211,211',
+ 'lightgreen' => '144,238,144',
+ 'lightgrey' => '211,211,211',
+ 'lightpink' => '255,182,193',
+ 'lightsalmon' => '255,160,122',
+ 'lightseagreen' => '32,178,170',
+ 'lightskyblue' => '135,206,250',
+ 'lightslategray' => '119,136,153',
+ 'lightslategrey' => '119,136,153',
+ 'lightsteelblue' => '176,196,222',
+ 'lightyellow' => '255,255,224',
+ 'lime' => '0,255,0',
+ 'limegreen' => '50,205,50',
+ 'linen' => '250,240,230',
+ 'magenta' => '255,0,255',
+ 'maroon' => '128,0,0',
+ 'mediumaquamarine' => '102,205,170',
+ 'mediumblue' => '0,0,205',
+ 'mediumorchid' => '186,85,211',
+ 'mediumpurple' => '147,112,219',
+ 'mediumseagreen' => '60,179,113',
+ 'mediumslateblue' => '123,104,238',
+ 'mediumspringgreen' => '0,250,154',
+ 'mediumturquoise' => '72,209,204',
+ 'mediumvioletred' => '199,21,133',
+ 'midnightblue' => '25,25,112',
+ 'mintcream' => '245,255,250',
+ 'mistyrose' => '255,228,225',
+ 'moccasin' => '255,228,181',
+ 'navajowhite' => '255,222,173',
+ 'navy' => '0,0,128',
+ 'oldlace' => '253,245,230',
+ 'olive' => '128,128,0',
+ 'olivedrab' => '107,142,35',
+ 'orange' => '255,165,0',
+ 'orangered' => '255,69,0',
+ 'orchid' => '218,112,214',
+ 'palegoldenrod' => '238,232,170',
+ 'palegreen' => '152,251,152',
+ 'paleturquoise' => '175,238,238',
+ 'palevioletred' => '219,112,147',
+ 'papayawhip' => '255,239,213',
+ 'peachpuff' => '255,218,185',
+ 'peru' => '205,133,63',
+ 'pink' => '255,192,203',
+ 'plum' => '221,160,221',
+ 'powderblue' => '176,224,230',
+ 'purple' => '128,0,128',
+ 'red' => '255,0,0',
+ 'rosybrown' => '188,143,143',
+ 'royalblue' => '65,105,225',
+ 'saddlebrown' => '139,69,19',
+ 'salmon' => '250,128,114',
+ 'sandybrown' => '244,164,96',
+ 'seagreen' => '46,139,87',
+ 'seashell' => '255,245,238',
+ 'sienna' => '160,82,45',
+ 'silver' => '192,192,192',
+ 'skyblue' => '135,206,235',
+ 'slateblue' => '106,90,205',
+ 'slategray' => '112,128,144',
+ 'slategrey' => '112,128,144',
+ 'snow' => '255,250,250',
+ 'springgreen' => '0,255,127',
+ 'steelblue' => '70,130,180',
+ 'tan' => '210,180,140',
+ 'teal' => '0,128,128',
+ 'thistle' => '216,191,216',
+ 'tomato' => '255,99,71',
+ 'turquoise' => '64,224,208',
+ 'violet' => '238,130,238',
+ 'wheat' => '245,222,179',
+ 'white' => '255,255,255',
+ 'whitesmoke' => '245,245,245',
+ 'yellow' => '255,255,0',
+ 'yellowgreen' => '154,205,50'
+ );
+}
+
+// responsible for taking a string of LESS code and converting it into a
+// syntax tree
+class lessc_parser {
+ static protected $nextBlockId = 0; // used to uniquely identify blocks
+
+ static protected $precedence = array(
+ '=<' => 0,
+ '>=' => 0,
+ '=' => 0,
+ '<' => 0,
+ '>' => 0,
+
+ '+' => 1,
+ '-' => 1,
+ '*' => 2,
+ '/' => 2,
+ '%' => 2,
+ );
+
+ // regex string to match any of the operators
+ static protected $operatorString;
+
+ // these properties will supress division unless it's inside parenthases
+ static protected $supressDivisionProps =
+ array('/border-radius$/i', '/^font$/i');
+
+ /**
+ * @link http://www.w3.org/TR/css3-values/
+ */
+ static protected $units = array(
+ 'em', 'ex', 'px', 'gd', 'rem', 'vw', 'vh', 'vm', 'ch', // Relative length units
+ 'in', 'cm', 'mm', 'pt', 'pc', // Absolute length units
+ '%', // Percentages
+ 'deg', 'grad', 'rad', 'turn', // Angles
+ 'ms', 's', // Times
+ 'Hz', 'kHz', //Frequencies
+ );
+
+ /**
+ * if we are in parens we can be more liberal with whitespace around
+ * operators because it must evaluate to a single value and thus is less
+ * ambiguous.
+ *
+ * Consider:
+ * property1: 10 -5; // is two numbers, 10 and -5
+ * property2: (10 -5); // should evaluate to 5
+ */
+ protected $inParens = false;
+
+ function __construct($lessc, $sourceName = null) {
+ // reference to less needed for vPrefix, mPrefix, and parentSelector
+ $this->lessc = $lessc;
+
+ $this->sourceName = $sourceName; // name used for error messages
+
+ if (!self::$operatorString) {
+ self::$operatorString =
+ '('.implode('|', array_map(array('lessc', 'preg_quote'),
+ array_keys(self::$precedence))).')';
+ }
+ }
+
+ function parse($buffer) {
+ $this->count = 0;
+ $this->line = 1;
+
+ $this->env = null; // block stack
+ $this->buffer = $this->removeComments($buffer);
+ $this->pushBlock(null); // root
+
+ // trim whitespace on head
+ if (preg_match('/^\s+/', $this->buffer, $m)) {
+ $this->line += substr_count($m[0], "\n");
+ $this->buffer = ltrim($this->buffer);
+ }
+
+ // parse the entire file
+ $lastCount = $this->count;
+ while (false !== $this->parseChunk());
+
+ if ($this->count != strlen($this->buffer))
+ $this->throwError();
+
+ // TODO report where the block was opened
+ if (!is_null($this->env->parent))
+ throw new exception('parse error: unclosed block');
+
+ $this->env->isRoot = true;
+ return $this->env;
+ }
+
+ /**
+ * Parse a single chunk off the head of the buffer and append it to the
+ * current parse environment.
+ * Returns false when the buffer is empty, or when there is an error.
+ *
+ * This function is called repeatedly until the entire document is
+ * parsed.
+ *
+ * This parser is most similar to a recursive descent parser. Single
+ * functions represent discrete grammatical rules for the language, and
+ * they are able to capture the text that represents those rules.
+ *
+ * Consider the function lessc::keyword(). (all parse functions are
+ * structured the same)
+ *
+ * The function takes a single reference argument. When calling the
+ * function it will attempt to match a keyword on the head of the buffer.
+ * If it is successful, it will place the keyword in the referenced
+ * argument, advance the position in the buffer, and return true. If it
+ * fails then it won't advance the buffer and it will return false.
+ *
+ * All of these parse functions are powered by lessc::match(), which behaves
+ * the same way, but takes a literal regular expression. Sometimes it is
+ * more convenient to use match instead of creating a new function.
+ *
+ * Because of the format of the functions, to parse an entire string of
+ * grammatical rules, you can chain them together using &&.
+ *
+ * But, if some of the rules in the chain succeed before one fails, then
+ * the buffer position will be left at an invalid state. In order to
+ * avoid this, lessc::seek() is used to remember and set buffer positions.
+ *
+ * Before parsing a chain, use $s = $this->seek() to remember the current
+ * position into $s. Then if a chain fails, use $this->seek($s) to
+ * go back where we started.
+ */
+ protected function parseChunk() {
+ if (empty($this->buffer)) return false;
+ $s = $this->seek();
+
+ // setting a property
+ if ($this->keyword($key) && $this->assign() &&
+ $this->propertyValue($value, $key) && $this->end())
+ {
+ $this->append(array('assign', $key, $value), $s);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // look for special css blocks
+ if ($this->env->parent == null && $this->literal('@', false)) {
+ $this->count--;
+
+ // a font-face block
+ if ($this->literal('@font-face') && $this->literal('{')) {
+ $b = $this->pushSpecialBlock('@font-face');
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // charset
+ if ($this->literal('@charset') && $this->propertyValue($value) &&
+ $this->end())
+ {
+ $this->append(array('charset', $value), $s);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+
+ // media
+ if ($this->literal('@media') && $this->mediaTypes($types) &&
+ $this->literal('{'))
+ {
+ $b = $this->pushSpecialBlock('@media');
+ $b->media = $types;
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // css animations
+ if ($this->match('(@(-[a-z]+-)?keyframes)', $m) &&
+ $this->propertyValue($value) && $this->literal('{'))
+ {
+ $b = $this->pushSpecialBlock(trim($m[0]));
+ $b->keyframes = $value;
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ if ($this->literal("@page") &&
+ ($this->match('(:(left|right))', $m) || true) &&
+ $this->literal("{"))
+ {
+ $name = "@page";
+ if ($m) $name = $name . " " . $m[1];
+ $this->pushSpecialBlock($name);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+ }
+
+ if (isset($this->env->keyframes)) {
+ if ($this->keyframeTags($ktags) && $this->literal('{')) {
+ $this->pushSpecialBlock($ktags);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+ }
+
+ // setting a variable
+ if ($this->variable($var) && $this->assign() &&
+ $this->propertyValue($value) && $this->end())
+ {
+ $this->append(array('assign', $var, $value), $s);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ if ($this->import($url, $media)) {
+ $this->append(array('import', $url, $media), $s);
+ return true;
+
+ // don't check .css files
+ if (empty($media) && substr_compare($url, '.css', -4, 4) !== 0) {
+ if ($this->importDisabled) {
+ $this->append(array('raw', '/* import disabled */'));
+ } else {
+ $path = $this->findImport($url);
+ if (!is_null($path)) {
+ $this->append(array('import', $path), $s);
+ return true;
+ }
+ }
+ }
+
+ $this->append(array('raw', '@import url("'.$url.'")'.
+ ($media ? ' '.$media : '').';'), $s);
+ return true;
+ }
+
+ // opening parametric mixin
+ if ($this->tag($tag, true) && $this->argumentDef($args, $is_vararg) &&
+ ($this->guards($guards) || true) &&
+ $this->literal('{'))
+ {
+ $block = $this->pushBlock($this->fixTags(array($tag)));
+ $block->args = $args;
+ $block->is_vararg = $is_vararg;
+ if (!empty($guards)) $block->guards = $guards;
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // opening a simple block
+ if ($this->tags($tags) && $this->literal('{')) {
+ $tags = $this->fixTags($tags);
+ $this->pushBlock($tags);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // closing a block
+ if ($this->literal('}')) {
+ try {
+ $block = $this->pop();
+ } catch (exception $e) {
+ $this->seek($s);
+ $this->throwError($e->getMessage());
+ }
+
+ $hidden = true;
+ if (!isset($block->args)) foreach ($block->tags as $tag) {
+ if (!is_string($tag) || $tag{0} != $this->lessc->mPrefix) {
+ $hidden = false;
+ break;
+ }
+ }
+
+ if (!$hidden) $this->append(array('block', $block), $s);
+
+ foreach ($block->tags as $tag) {
+ if (is_string($tag)) {
+ $this->env->children[$tag][] = $block;
+ }
+ }
+
+ return true;
+ }
+
+ // mixin
+ if ($this->mixinTags($tags) &&
+ ($this->argumentValues($argv) || true) &&
+ ($this->keyword($suffix) || true) && $this->end())
+ {
+ $tags = $this->fixTags($tags);
+ $this->append(array('mixin', $tags, $argv, $suffix), $s);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // spare ;
+ if ($this->literal(';')) return true;
+
+ return false; // got nothing, throw error
+ }
+
+ protected function fixTags($tags) {
+ // move @ tags out of variable namespace
+ foreach ($tags as &$tag) {
+ if ($tag{0} == $this->lessc->vPrefix)
+ $tag[0] = $this->lessc->mPrefix;
+ }
+ return $tags;
+ }
+
+ protected function keyframeTags(&$tags) {
+ $s = $this->seek();
+ $tags = array();
+ while($this->match("(to|from|[0-9]+%)", $m)) {
+ $tags[] = $m[1];
+ if (!$this->literal(",")) break;
+ }
+
+ if (count($tags) == 0) {
+ $this->seek($s);
+ return false;
+ }
+
+ return true;
+ }
+
+ // a list of expressions
+ protected function expressionList(&$exps) {
+ $values = array();
+
+ while ($this->expression($exp)) {
+ $values[] = $exp;
+ }
+
+ if (count($values) == 0) return false;
+
+ $exps = lessc::compressList($values, ' ');
+ return true;
+ }
+
+ /**
+ * Attempt to consume an expression.
+ * @link http://en.wikipedia.org/wiki/Operator-precedence_parser#Pseudo-code
+ */
+ protected function expression(&$out) {
+ $s = $this->seek();
+ if ($this->literal('(') && ($this->inParens = true) && $this->expression($exp) && $this->literal(')')) {
+ $lhs = $exp;
+ } elseif ($this->seek($s) && $this->value($val)) {
+ $lhs = $val;
+ } else {
+ $this->inParens = false;
+ $this->seek($s);
+ return false;
+ }
+
+ $out = $this->expHelper($lhs, 0);
+
+ // look for / shorthand
+ if (!empty($this->env->supressedDivision)) {
+ unset($this->env->supressedDivision);
+ $s = $this->seek();
+ if ($this->literal("/") && $this->value($rhs)) {
+ $out = array("list", "",
+ array($out, array("keyword", "/"), $rhs));
+ } else {
+ $this->seek($s);
+ }
+ }
+
+ $this->inParens = false;
+ return true;
+ }
+
+ /**
+ * recursively parse infix equation with $lhs at precedence $minP
+ */
+ protected function expHelper($lhs, $minP) {
+ $this->inExp = true;
+ $ss = $this->seek();
+
+ // if there was whitespace before the operator, then we require whitespace after
+ // the operator for it to be a mathematical operator.
+
+ $needWhite = false;
+ if (!$this->inParens && preg_match('/\s/', $this->buffer{$this->count - 1})) {
+ $needWhite = true;
+ }
+
+ // try to find a valid operator
+ while ($this->match(self::$operatorString.($needWhite ? '\s' : ''), $m) && self::$precedence[$m[1]] >= $minP) {
+ if (!$this->inParens && isset($this->env->currentProperty) && $m[1] == "/" && empty($this->env->supressedDivision)) {
+ foreach (self::$supressDivisionProps as $pattern) {
+ if (preg_match($pattern, $this->env->currentProperty)) {
+ $this->env->supressedDivision = true;
+ break 2;
+ }
+ }
+ }
+
+ // get rhs
+ $s = $this->seek();
+ $p = $this->inParens;
+ if ($this->literal('(') && ($this->inParens = true) && $this->expression($exp) && $this->literal(')')) {
+ $this->inParens = $p;
+ $rhs = $exp;
+ } else {
+ $this->inParens = $p;
+ if ($this->seek($s) && $this->value($val)) {
+ $rhs = $val;
+ } else {
+ break;
+ }
+ }
+
+ // peek for next operator to see what to do with rhs
+ if ($this->peek(self::$operatorString, $next) && self::$precedence[$next[1]] > self::$precedence[$m[1]]) {
+ $rhs = $this->expHelper($rhs, self::$precedence[$next[1]]);
+ }
+
+ $lhs = array('expression', $m[1], $lhs, $rhs);
+ $ss = $this->seek();
+
+ $needWhite = false;
+ if (!$this->inParens && preg_match('/\s/', $this->buffer{$this->count - 1})) {
+ $needWhite = true;
+ }
+ }
+ $this->seek($ss);
+
+ return $lhs;
+ }
+
+ // consume a list of values for a property
+ public function propertyValue(&$value, $keyName=null) {
+ $values = array();
+
+ if (!is_null($keyName)) $this->env->currentProperty = $keyName;
+
+ $s = null;
+ while ($this->expressionList($v)) {
+ $values[] = $v;
+ $s = $this->seek();
+ if (!$this->literal(',')) break;
+ }
+
+ if ($s) $this->seek($s);
+
+ if (!is_null($keyName)) unset($this->env->currentProperty);
+
+ if (count($values) == 0) return false;
+
+ $value = lessc::compressList($values, ', ');
+ return true;
+ }
+
+ // a single value
+ protected function value(&$value) {
+ // try a unit
+ if ($this->unit($value)) return true;
+
+ // see if there is a negation
+ $s = $this->seek();
+ if ($this->literal('-', false)) {
+ $value = null;
+ if ($this->variable($var)) {
+ $value = array('variable', $var);
+ } elseif ($this->buffer{$this->count} == "(" && $this->expression($exp)) {
+ $value = $exp;
+ } else {
+ $this->seek($s);
+ }
+
+ if (!is_null($value)) {
+ $value = array('negative', $value);
+ return true;
+ }
+ } else {
+ $this->seek($s);
+ }
+
+ // accessor
+ // must be done before color
+ // this needs negation too
+ if ($this->accessor($a)) {
+ $a[1] = $this->fixTags($a[1]);
+ $value = $a;
+ return true;
+ }
+
+ // color
+ if ($this->color($value)) return true;
+
+ // css function
+ // must be done after color
+ if ($this->func($value)) return true;
+
+ // string
+ if ($this->string($tmp, $d)) {
+ $value = array('string', $d.$tmp.$d);
+ return true;
+ }
+
+ // try a keyword
+ if ($this->keyword($word)) {
+ $value = array('keyword', $word);
+ return true;
+ }
+
+ // try a variable
+ if ($this->variable($var)) {
+ $value = array('variable', $var);
+ return true;
+ }
+
+ // unquote string
+ if ($this->literal("~") && $this->string($value, $d)) {
+ $value = array("escape", $value);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // css hack: \0
+ if ($this->literal('\\') && $this->match('([0-9]+)', $m)) {
+ $value = array('keyword', '\\'.$m[1]);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ return false;
+ }
+
+ // an import statement
+ protected function import(&$url, &$media) {
+ $s = $this->seek();
+ if (!$this->literal('@import')) return false;
+
+ // @import "something.css" media;
+ // @import url("something.css") media;
+ // @import url(something.css) media;
+
+ if ($this->literal('url(')) $parens = true; else $parens = false;
+
+ if (!$this->string($url)) {
+ if ($parens && $this->to(')', $url)) {
+ $parens = false; // got em
+ } else {
+ $this->seek($s);
+ return false;
+ }
+ }
+
+ if ($parens && !$this->literal(')')) {
+ $this->seek($s);
+ return false;
+ }
+
+ // now the rest is media
+ return $this->to(';', $media, false, true);
+ }
+
+ // a list of media types, very lenient
+ protected function mediaTypes(&$parts) {
+ $parts = array();
+ while ($this->to("(", $chunk, false, "[^{]")) {
+ $parts[] = array('raw', $chunk."(");
+ $s = $this->seek();
+ if ($this->keyword($name) && $this->assign() &&
+ $this->propertyValue($value))
+ {
+ $parts[] = array('assign', $name, $value);
+ } else {
+ $this->seek($s);
+ }
+ }
+
+ if ($this->to('{', $rest, true, true)) {
+ $parts[] = array('raw', $rest);
+ return true;
+ }
+
+ $parts = null;
+ return false;
+ }
+
+ // a scoped value accessor
+ // .hello > @scope1 > @scope2['value'];
+ protected function accessor(&$var) {
+ $s = $this->seek();
+
+ if (!$this->tags($scope, true, '>') || !$this->literal('[')) {
+ $this->seek($s);
+ return false;
+ }
+
+ // either it is a variable or a property
+ // why is a property wrapped in quotes, who knows!
+ if ($this->variable($name)) {
+ // ~
+ } elseif ($this->literal("'") && $this->keyword($name) && $this->literal("'")) {
+ // .. $this->count is messed up if we wanted to test another access type
+ } else {
+ $this->seek($s);
+ return false;
+ }
+
+ if (!$this->literal(']')) {
+ $this->seek($s);
+ return false;
+ }
+
+ $var = array('lookup', $scope, $name);
+ return true;
+ }
+
+ // a string
+ protected function string(&$string, &$d = null) {
+ $s = $this->seek();
+ if ($this->literal('"', false)) {
+ $delim = '"';
+ } elseif ($this->literal("'", false)) {
+ $delim = "'";
+ } else {
+ return false;
+ }
+
+ if (!$this->to($delim, $string)) {
+ $this->seek($s);
+ return false;
+ }
+
+ $d = $delim;
+ return true;
+ }
+
+ /**
+ * Consume a number and optionally a unit.
+ * Can also consume a font shorthand if it is a simple case.
+ * $allowed restricts the types that are matched.
+ */
+ protected function unit(&$unit, $allowed = null) {
+ if (!$allowed) $allowed = self::$units;
+
+ if ($this->match('(-?[0-9]*(\.)?[0-9]+)('.implode('|', $allowed).')?', $m)) {
+ if (!isset($m[3])) $m[3] = 'number';
+ $unit = array($m[3], $m[1]);
+
+ return true;
+ }
+
+ return false;
+ }
+
+ // a # color
+ protected function color(&$out) {
+ $color = array('color');
+
+ if ($this->match('(#([0-9a-f]{6})|#([0-9a-f]{3}))', $m)) {
+ if (isset($m[3])) {
+ $num = $m[3];
+ $width = 16;
+ } else {
+ $num = $m[2];
+ $width = 256;
+ }
+
+ $num = hexdec($num);
+ foreach (array(3,2,1) as $i) {
+ $t = $num % $width;
+ $num /= $width;
+
+ $color[$i] = $t * (256/$width) + $t * floor(16/$width);
+ }
+
+ $out = $color;
+ return true;
+ }
+
+ return false;
+ }
+
+ // consume a list of property values delimited by ; and wrapped in ()
+ protected function argumentValues(&$args, $delim = ',') {
+ $s = $this->seek();
+ if (!$this->literal('(')) return false;
+
+ $values = array();
+ while (true) {
+ if ($this->expressionList($value)) $values[] = $value;
+ if (!$this->literal($delim)) break;
+ else {
+ if ($value == null) $values[] = null;
+ $value = null;
+ }
+ }
+
+ if (!$this->literal(')')) {
+ $this->seek($s);
+ return false;
+ }
+
+ $args = $values;
+ return true;
+ }
+
+ // consume an argument definition list surrounded by ()
+ // each argument is a variable name with optional value
+ // or at the end a ... or a variable named followed by ...
+ protected function argumentDef(&$args, &$is_vararg, $delim = ',') {
+ $s = $this->seek();
+ if (!$this->literal('(')) return false;
+
+ $values = array();
+
+ $is_vararg = false;
+ while (true) {
+ if ($this->literal("...")) {
+ $is_vararg = true;
+ break;
+ }
+
+ if ($this->variable($vname)) {
+ $arg = array("arg", $vname);
+ $ss = $this->seek();
+ if ($this->assign() && $this->expressionList($value)) {
+ $arg[] = $value;
+ } else {
+ $this->seek($ss);
+ if ($this->literal("...")) {
+ $arg[0] = "rest";
+ $is_vararg = true;
+ }
+ }
+ $values[] = $arg;
+ if ($is_vararg) break;
+ continue;
+ }
+
+ if ($this->value($literal)) {
+ $values[] = array("lit", $literal);
+ }
+
+ if (!$this->literal($delim)) break;
+ }
+
+ if (!$this->literal(')')) {
+ $this->seek($s);
+ return false;
+ }
+
+ $args = $values;
+
+ return true;
+ }
+
+ // consume a list of tags
+ // this accepts a hanging delimiter
+ protected function tags(&$tags, $simple = false, $delim = ',') {
+ $tags = array();
+ while ($this->tag($tt, $simple)) {
+ $tags[] = $tt;
+ if (!$this->literal($delim)) break;
+ }
+ if (count($tags) == 0) return false;
+
+ return true;
+ }
+
+ // list of tags of specifying mixin path
+ // optionally separated by > (lazy, accepts extra >)
+ function mixinTags(&$tags) {
+ $s = $this->seek();
+ $tags = array();
+ while ($this->tag($tt, true)) {
+ $tags[] = $tt;
+ $this->literal(">");
+ }
+
+ if (count($tags) == 0) return false;
+
+ return true;
+ }
+
+ // a bracketed value (contained within in a tag definition)
+ protected function tagBracket(&$value) {
+ $s = $this->seek();
+ if ($this->literal('[') && $this->to(']', $c, true) && $this->literal(']', false)) {
+ $value = '['.$c.']';
+ // whitespace?
+ if ($this->match('', $_)) $value .= $_[0];
+
+ // escape parent selector, (yuck)
+ $value = str_replace($this->lessc->parentSelector, "$&$", $value);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ protected function tagExpression(&$value) {
+ $s = $this->seek();
+ if ($this->literal("(") && $this->expression($exp) && $this->literal(")")) {
+ $value = array('exp', $exp);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ // a single tag
+ protected function tag(&$tag, $simple = false) {
+ if ($simple)
+ $chars = '^,:;{}\][>\(\) "\'';
+ else
+ $chars = '^,;{}["\'';
+
+ if (!$simple && $this->tagExpression($tag)) {
+ return true;
+ }
+
+ $tag = '';
+ while ($this->tagBracket($first)) $tag .= $first;
+ while ($this->match('(['.$chars.'0-9]['.$chars.']*)', $m)) {
+ $tag .= $m[1];
+ if ($simple) break;
+
+ while ($this->tagBracket($brack)) $tag .= $brack;
+ }
+ $tag = trim($tag);
+ if ($tag == '') return false;
+
+ return true;
+ }
+
+ // a css function
+ protected function func(&$func) {
+ $s = $this->seek();
+
+ if ($this->match('(%|[\w\-_][\w\-_:\.]+|[\w_])', $m) && $this->literal('(')) {
+ $fname = $m[1];
+
+ $s_pre_args = $this->seek();
+
+ $args = array();
+ while (true) {
+ $ss = $this->seek();
+ // this ugly nonsense is for ie filter properties
+ if ($this->keyword($name) && $this->literal('=') && $this->expressionList($value)) {
+ $args[] = array('list', '=', array(array('keyword', $name), $value));
+ } else {
+ $this->seek($ss);
+ if ($this->expressionList($value)) {
+ $args[] = $value;
+ }
+ }
+
+ if (!$this->literal(',')) break;
+ }
+ $args = array('list', ',', $args);
+
+ if ($this->literal(')')) {
+ $func = array('function', $fname, $args);
+ return true;
+ } elseif ($fname == 'url') {
+ // couldn't parse and in url? treat as string
+ $this->seek($s_pre_args);
+ if ($this->to(')', $content, true) && $this->literal(')')) {
+ $func = array('function', $fname,array('string', $content));
+ return true;
+ }
+ }
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ // consume a less variable
+ protected function variable(&$name) {
+ $s = $this->seek();
+ if ($this->literal($this->lessc->vPrefix, false) &&
+ ($this->variable($sub) || $this->keyword($name)))
+ {
+ if (!empty($sub)) {
+ $name = array('variable', $sub);
+ } else {
+ $name = $this->lessc->vPrefix.$name;
+ }
+ return true;
+ }
+
+ $name = null;
+ $this->seek($s);
+ return false;
+ }
+
+ /**
+ * Consume an assignment operator
+ * Can optionally take a name that will be set to the current property name
+ */
+ protected function assign($name = null) {
+ if ($name) $this->currentProperty = $name;
+ return $this->literal(':') || $this->literal('=');
+ }
+
+ // consume a keyword
+ protected function keyword(&$word) {
+ if ($this->match('([\w_\-\*!"][\w\-_"]*)', $m)) {
+ $word = $m[1];
+ return true;
+ }
+ return false;
+ }
+
+ // consume an end of statement delimiter
+ protected function end() {
+ if ($this->literal(';'))
+ return true;
+ elseif ($this->count == strlen($this->buffer) || $this->buffer{$this->count} == '}') {
+ // if there is end of file or a closing block next then we don't need a ;
+ return true;
+ }
+ return false;
+ }
+
+ protected function guards(&$guards) {
+ $s = $this->seek();
+
+ if (!$this->literal("when")) {
+ $this->seek($s);
+ return false;
+ }
+
+ $guards = array();
+
+ while ($this->guard_group($g)) {
+ $guards[] = $g;
+ if (!$this->literal(",")) break;
+ }
+
+ if (count($guards) == 0) {
+ $guards = null;
+ $this->seek($s);
+ return false;
+ }
+
+ return true;
+ }
+
+ // a bunch of guards that are and'd together
+ // TODO rename to guardGroup
+ protected function guard_group(&$guard_group) {
+ $s = $this->seek();
+ $guard_group = array();
+ while ($this->guard($guard)) {
+ $guard_group[] = $guard;
+ if (!$this->literal("and")) break;
+ }
+
+ if (count($guard_group) == 0) {
+ $guard_group = null;
+ $this->seek($s);
+ return false;
+ }
+
+ return true;
+ }
+
+ protected function guard(&$guard) {
+ $s = $this->seek();
+ $negate = $this->literal("not");
+
+ if ($this->literal("(") && $this->expression($exp) && $this->literal(")")) {
+ $guard = $exp;
+ if ($negate) $guard = array("negate", $guard);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ /* raw parsing functions */
+
+ protected function literal($what, $eatWhitespace = true) {
+ // this is here mainly prevent notice from { } string accessor
+ if ($this->count >= strlen($this->buffer)) return false;
+
+ // shortcut on single letter
+ if (!$eatWhitespace && strlen($what) == 1) {
+ if ($this->buffer{$this->count} == $what) {
+ $this->count++;
+ return true;
+ }
+ else return false;
+ }
+
+ return $this->match(lessc::preg_quote($what), $m, $eatWhitespace);
+ }
+
+
+ // advance counter to next occurrence of $what
+ // $until - don't include $what in advance
+ // $allowNewline, if string, will be used as valid char set
+ protected function to($what, &$out, $until = false, $allowNewline = false) {
+ if (is_string($allowNewline)) {
+ $validChars = $allowNewline;
+ } else {
+ $validChars = $allowNewline ? "." : "[^\n]";
+ }
+ if (!$this->match('('.$validChars.'*?)'.lessc::preg_quote($what), $m, !$until)) return false;
+ if ($until) $this->count -= strlen($what); // give back $what
+ $out = $m[1];
+ return true;
+ }
+
+ // try to match something on head of buffer
+ protected function match($regex, &$out, $eatWhitespace = true) {
+ $r = '/'.$regex.($eatWhitespace ? '\s*' : '').'/Ais';
+ if (preg_match($r, $this->buffer, $out, null, $this->count)) {
+ $this->count += strlen($out[0]);
+ return true;
+ }
+ return false;
+ }
+
+ // match something without consuming it
+ protected function peek($regex, &$out = null, $from=null) {
+ if (is_null($from)) $from = $this->count;
+ $r = '/'.$regex.'/Ais';
+ $result = preg_match($r, $this->buffer, $out, null, $from);
+
+ return $result;
+ }
+
+ // seek to a spot in the buffer or return where we are on no argument
+ protected function seek($where = null) {
+ if ($where === null) return $this->count;
+ else $this->count = $where;
+ return true;
+ }
+
+ /* misc functions */
+
+ public function throwError($msg = "parse error", $count = null) {
+ $count = is_null($count) ? $this->count : $count;
+
+ $line = $this->line +
+ substr_count(substr($this->buffer, 0, $count), "\n");
+
+ if (!empty($this->sourceName)) {
+ $loc = "$this->sourceName on line $line";
+ } else {
+ $loc = "line: $line";
+ }
+
+ // TODO this depends on $this->count
+ if ($this->peek("(.*?)(\n|$)", $m, $count)) {
+ throw new exception("$msg: failed at `$m[1]` $loc");
+ } else {
+ throw new exception("$msg: $loc");
+ }
+ }
+
+ protected function pushBlock($tags) {
+ $b = new stdclass;
+ $b->parent = $this->env;
+
+ $b->id = self::$nextBlockId++;
+ $b->is_vararg = false;
+ $b->tags = $tags;
+ $b->props = array();
+ $b->children = array();
+
+ $this->env = $b;
+ return $b;
+ }
+
+ // push a block that doesn't multiply tags
+ protected function pushSpecialBlock($name) {
+ $b = $this->pushBlock(array($name));
+ $b->no_multiply = true;
+ return $b;
+ }
+
+ // append a property to the current block
+ function append($prop, $pos = null) {
+ if (!is_null($pos)) $prop[-1] = $pos;
+ $this->env->props[] = $prop;
+ }
+
+ // pop something off the stack
+ function pop() {
+ $old = $this->env;
+ $this->env = $this->env->parent;
+ return $old;
+ }
+
+ // remove comments from $text
+ // todo: make it work for all functions, not just url
+ protected function removeComments($text) {
+ $look = array(
+ 'url(', '//', '/*', '"', "'"
+ );
+
+ $out = '';
+ $min = null;
+ $done = false;
+ while (true) {
+ // find the next item
+ foreach ($look as $token) {
+ $pos = strpos($text, $token);
+ if ($pos !== false) {
+ if (!isset($min) || $pos < $min[1]) $min = array($token, $pos);
+ }
+ }
+
+ if (is_null($min)) break;
+
+ $count = $min[1];
+ $skip = 0;
+ $newlines = 0;
+ switch ($min[0]) {
+ case 'url(':
+ if (preg_match('/url\(.*?\)/', $text, $m, 0, $count))
+ $count += strlen($m[0]) - strlen($min[0]);
+ break;
+ case '"':
+ case "'":
+ if (preg_match('/'.$min[0].'.*?'.$min[0].'/', $text, $m, 0, $count))
+ $count += strlen($m[0]) - 1;
+ break;
+ case '//':
+ $skip = strpos($text, "\n", $count);
+ if ($skip === false) $skip = strlen($text) - $count;
+ else $skip -= $count;
+ break;
+ case '/*':
+ if (preg_match('/\/\*.*?\*\//s', $text, $m, 0, $count)) {
+ $skip = strlen($m[0]);
+ $newlines = substr_count($m[0], "\n");
+ }
+ break;
+ }
+
+ if ($skip == 0) $count += strlen($min[0]);
+
+ $out .= substr($text, 0, $count).str_repeat("\n", $newlines);
+ $text = substr($text, $count + $skip);
+
+ $min = null;
+ }
+
+ return $out.$text;
+ }
+
+}
+
+class lessc_formatter {
+ public $indentChar = " ";
+
+ public $break = "\n";
+ public $open = " {";
+ public $close = "}";
+ public $tagSeparator = ", ";
+
+ public $disableSingle = false;
+ public $openSingle = " { ";
+ public $closeSingle = " }";
+
+ // returns the amount of indent that should happen for a block
+ function indentAmount($block) {
+ return isset($block->isRoot) || !empty($block->no_multiply) ? 1 : 0;
+ }
+
+ // an $indentLevel of -1 signifies the root level
+ function block($tags, $wrapChildren, $lines, $children, $indentLevel) {
+ $indent = str_repeat($this->indentChar, max($indentLevel, 0));
+
+ // what $lines is imploded by
+ $nl = $indentLevel == -1 ? $this->break :
+ $this->break.$indent.$this->indentChar;
+
+ ob_start();
+
+ $isSingle = !$this->disableSingle && !$wrapChildren
+ && count($lines) <= 1;
+
+ $showDelim = !empty($tags) && (count($lines) > 0 || $wrapChildren);
+
+ if ($showDelim) {
+ if (is_array($tags)) {
+ $tags = implode($this->tagSeparator, $tags);
+ }
+
+ echo $indent.$tags;
+ if ($isSingle) echo $this->openSingle;
+ else {
+ echo $this->open;
+ if (!empty($lines)) echo $nl;
+ else echo $this->break;
+ }
+ }
+
+ echo implode($nl, $lines);
+
+ if ($wrapChildren) {
+ if (!empty($lines)) echo $this->break;
+ foreach ($children as $child) echo $child;
+ }
+
+ if ($showDelim) {
+ if ($isSingle) echo $this->closeSingle;
+ else {
+ if (!$wrapChildren) echo $this->break;
+ echo $indent.$this->close;
+ }
+ echo $this->break;
+ } elseif (!empty($lines)) {
+ echo $this->break;
+ }
+
+ if (!$wrapChildren)
+ foreach ($children as $child) echo $child;
+
+ return ob_get_clean();
+ }
+
+ function property($name, $values) {
+ return "";
+ }
+}
+
+class lessc_formatter_compressed extends lessc_formatter {
+ public $indentChar = "";
+
+ public $break = "";
+ public $open = "{";
+ public $close = "}";
+ public $tagSeparator = ",";
+ public $disableSingle = true;
+}
+
+class lessc_formatter_indent extends lessc_formatter {
+ function indentAmount($block) {
+ if (isset($block->isRoot)) return 1;
+ $numLines = 0;
+ foreach ($block->props as $prop) {
+ $t = $prop[0];
+ if ($t != 'block' && $t != 'mixin') {
+ $numLines++;
+ }
+ }
+ return $numLines > 0 ? 1 : 0;
+ }
+}
+
diff --git a/mod/less/vendors/lessphp/lessify b/mod/less/vendors/lessphp/lessify
new file mode 100755
index 000000000..416f0ca4c
--- /dev/null
+++ b/mod/less/vendors/lessphp/lessify
@@ -0,0 +1,23 @@
+#!/usr/bin/php -q
+<?php
+
+if (php_sapi_name() != "cli") {
+ err($fa.$argv[0]." must be run in the command line.");
+ exit(1);
+}
+$exe = array_shift($argv); // remove filename
+
+if (!$fname = array_shift($argv)) {
+ exit("Usage: ".$exe." input-file\n");
+}
+
+require "lessify.inc.php";
+
+try {
+ $parser = new lessify($fname);
+ echo $parser->parse();
+} catch (exception $e) {
+ exit("Fatal error: ".$e->getMessage()."\n");
+}
+
+
diff --git a/mod/less/vendors/lessphp/lessify.inc.php b/mod/less/vendors/lessphp/lessify.inc.php
new file mode 100644
index 000000000..96d7d2a92
--- /dev/null
+++ b/mod/less/vendors/lessphp/lessify.inc.php
@@ -0,0 +1,447 @@
+<?php
+/**
+ * lessify
+ * Convert a css file into a less file
+ * http://leafo.net/lessphp
+ * Copyright 2010, leaf corcoran <leafot@gmail.com>
+ *
+ * WARNING: THIS DOES NOT WORK ANYMORE. NEEDS TO BE UPDATED FOR
+ * LATEST VERSION OF LESSPHP.
+ *
+ */
+
+require "lessc.inc.php";
+
+//
+// check if the merge during mixin is overwriting values. should or should it not?
+//
+
+//
+// 1. split apart class tags
+//
+
+class easyparse {
+ var $buffer;
+ var $count;
+
+ function __construct($str) {
+ $this->count = 0;
+ $this->buffer = trim($str);
+ }
+
+ function seek($where = null) {
+ if ($where === null) return $this->count;
+ else $this->count = $where;
+ return true;
+ }
+
+ function preg_quote($what) {
+ return preg_quote($what, '/');
+ }
+
+ function match($regex, &$out, $eatWhitespace = true) {
+ $r = '/'.$regex.($eatWhitespace ? '\s*' : '').'/Ais';
+ if (preg_match($r, $this->buffer, $out, null, $this->count)) {
+ $this->count += strlen($out[0]);
+ return true;
+ }
+ return false;
+ }
+
+ function literal($what, $eatWhitespace = true) {
+ // this is here mainly prevent notice from { } string accessor
+ if ($this->count >= strlen($this->buffer)) return false;
+
+ // shortcut on single letter
+ if (!$eatWhitespace and strlen($what) == 1) {
+ if ($this->buffer{$this->count} == $what) {
+ $this->count++;
+ return true;
+ }
+ else return false;
+ }
+
+ return $this->match($this->preg_quote($what), $m, $eatWhitespace);
+ }
+
+}
+
+class tagparse extends easyparse {
+ static private $combinators = null;
+ static private $match_opts = null;
+
+ function parse() {
+ if (empty(self::$combinators)) {
+ self::$combinators = '('.implode('|', array_map(array($this, 'preg_quote'),
+ array('+', '>', '~'))).')';
+ self::$match_opts = '('.implode('|', array_map(array($this, 'preg_quote'),
+ array('=', '~=', '|=', '$=', '*='))).')';
+ }
+
+ // crush whitespace
+ $this->buffer = preg_replace('/\s+/', ' ', $this->buffer).' ';
+
+ $tags = array();
+ while ($this->tag($t)) $tags[] = $t;
+
+ return $tags;
+ }
+
+ static function compileString($string) {
+ list(, $delim, $str) = $string;
+ $str = str_replace($delim, "\\".$delim, $str);
+ $str = str_replace("\n", "\\\n", $str);
+ return $delim.$str.$delim;
+ }
+
+ static function compilePaths($paths) {
+ return implode(', ', array_map(array('self', 'compilePath'), $paths));
+ }
+
+ // array of tags
+ static function compilePath($path) {
+ return implode(' ', array_map(array('self', 'compileTag'), $path));
+ }
+
+
+ static function compileTag($tag) {
+ ob_start();
+ if (isset($tag['comb'])) echo $tag['comb']." ";
+ if (isset($tag['front'])) echo $tag['front'];
+ if (isset($tag['attr'])) {
+ echo '['.$tag['attr'];
+ if (isset($tag['op'])) {
+ echo $tag['op'].$tag['op_value'];
+ }
+ echo ']';
+ }
+ return ob_get_clean();
+ }
+
+ function string(&$out) {
+ $s = $this->seek();
+
+ if ($this->literal('"')) {
+ $delim = '"';
+ } elseif ($this->literal("'")) {
+ $delim = "'";
+ } else {
+ return false;
+ }
+
+ while (true) {
+ // step through letters looking for either end or escape
+ $buff = "";
+ $escapeNext = false;
+ $finished = false;
+ for ($i = $this->count; $i < strlen($this->buffer); $i++) {
+ $char = $this->buffer[$i];
+ switch ($char) {
+ case $delim:
+ if ($escapeNext) {
+ $buff .= $char;
+ $escapeNext = false;
+ break;
+ }
+ $finished = true;
+ break 2;
+ case "\\":
+ if ($escapeNext) {
+ $buff .= $char;
+ $escapeNext = false;
+ } else {
+ $escapeNext = true;
+ }
+ break;
+ case "\n":
+ if (!$escapeNext) {
+ break 3;
+ }
+
+ $buff .= $char;
+ $escapeNext = false;
+ break;
+ default:
+ if ($escapeNext) {
+ $buff .= "\\";
+ $escapeNext = false;
+ }
+ $buff .= $char;
+ }
+ }
+ if (!$finished) break;
+ $out = array('string', $delim, $buff);
+ $this->seek($i+1);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ function tag(&$out) {
+ $s = $this->seek();
+ $tag = array();
+ if ($this->combinator($op)) $tag['comb'] = $op;
+
+ if (!$this->match('(.*?)( |$|\[|'.self::$combinators.')', $match)) {
+ $this->seek($s);
+ return false;
+ }
+
+ if (!empty($match[3])) {
+ // give back combinator
+ $this->count-=strlen($match[3]);
+ }
+
+ if (!empty($match[1])) $tag['front'] = $match[1];
+
+ if ($match[2] == '[') {
+ if ($this->ident($i)) {
+ $tag['attr'] = $i;
+
+ if ($this->match(self::$match_opts, $m) && $this->value($v)) {
+ $tag['op'] = $m[1];
+ $tag['op_value'] = $v;
+ }
+
+ if ($this->literal(']')) {
+ $out = $tag;
+ return true;
+ }
+ }
+ } elseif (isset($tag['front'])) {
+ $out = $tag;
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ function ident(&$out) {
+ // [-]?{nmstart}{nmchar}*
+ // nmstart: [_a-z]|{nonascii}|{escape}
+ // nmchar: [_a-z0-9-]|{nonascii}|{escape}
+ if ($this->match('(-?[_a-z][_\w]*)', $m)) {
+ $out = $m[1];
+ return true;
+ }
+ return false;
+ }
+
+ function value(&$out) {
+ if ($this->string($str)) {
+ $out = $this->compileString($str);
+ return true;
+ } elseif ($this->ident($id)) {
+ $out = $id;
+ return true;
+ }
+ return false;
+ }
+
+
+ function combinator(&$op) {
+ if ($this->match(self::$combinators, $m)) {
+ $op = $m[1];
+ return true;
+ }
+ return false;
+ }
+}
+
+class nodecounter {
+ var $count = 0;
+ var $children = array();
+
+ var $name;
+ var $child_blocks;
+ var $the_block;
+
+ function __construct($name) {
+ $this->name = $name;
+ }
+
+ function dump($stack = null) {
+ if (is_null($stack)) $stack = array();
+ $stack[] = $this->getName();
+ echo implode(' -> ', $stack)." ($this->count)\n";
+ foreach ($this->children as $child) {
+ $child->dump($stack);
+ }
+ }
+
+ static function compileProperties($c, $block) {
+ foreach($block as $name => $value) {
+ if ($c->isProperty($name, $value)) {
+ echo $c->compileProperty($name, $value)."\n";
+ }
+ }
+ }
+
+ function compile($c, $path = null) {
+ if (is_null($path)) $path = array();
+ $path[] = $this->name;
+
+ $isVisible = !is_null($this->the_block) || !is_null($this->child_blocks);
+
+ if ($isVisible) {
+ echo $c->indent(implode(' ', $path).' {');
+ $c->indentLevel++;
+ $path = array();
+
+ if ($this->the_block) {
+ $this->compileProperties($c, $this->the_block);
+ }
+
+ if ($this->child_blocks) {
+ foreach ($this->child_blocks as $block) {
+ echo $c->indent(tagparse::compilePaths($block['__tags']).' {');
+ $c->indentLevel++;
+ $this->compileProperties($c, $block);
+ $c->indentLevel--;
+ echo $c->indent('}');
+ }
+ }
+ }
+
+ // compile child nodes
+ foreach($this->children as $node) {
+ $node->compile($c, $path);
+ }
+
+ if ($isVisible) {
+ $c->indentLevel--;
+ echo $c->indent('}');
+ }
+
+ }
+
+ function getName() {
+ if (is_null($this->name)) return "[root]";
+ else return $this->name;
+ }
+
+ function getNode($name) {
+ if (!isset($this->children[$name])) {
+ $this->children[$name] = new nodecounter($name);
+ }
+
+ return $this->children[$name];
+ }
+
+ function findNode($path) {
+ $current = $this;
+ for ($i = 0; $i < count($path); $i++) {
+ $t = tagparse::compileTag($path[$i]);
+ $current = $current->getNode($t);
+ }
+
+ return $current;
+ }
+
+ function addBlock($path, $block) {
+ $node = $this->findNode($path);
+ if (!is_null($node->the_block)) throw new exception("can this happen?");
+
+ unset($block['__tags']);
+ $node->the_block = $block;
+ }
+
+ function addToNode($path, $block) {
+ $node = $this->findNode($path);
+ $node->child_blocks[] = $block;
+ }
+}
+
+/**
+ * create a less file from a css file by combining blocks where appropriate
+ */
+class lessify extends lessc {
+ public function dump() {
+ print_r($this->env);
+ }
+
+ public function parse($str = null) {
+ $this->prepareParser($str ? $str : $this->buffer);
+ while (false !== $this->parseChunk());
+
+ $root = new nodecounter(null);
+
+ // attempt to preserve some of the block order
+ $order = array();
+
+ $visitedTags = array();
+ foreach (end($this->env) as $name => $block) {
+ if (!$this->isBlock($name, $block)) continue;
+ if (isset($visitedTags[$name])) continue;
+
+ foreach ($block['__tags'] as $t) {
+ $visitedTags[$t] = true;
+ }
+
+ // skip those with more than 1
+ if (count($block['__tags']) == 1) {
+ $p = new tagparse(end($block['__tags']));
+ $path = $p->parse();
+ $root->addBlock($path, $block);
+ $order[] = array('compressed', $path, $block);
+ continue;
+ } else {
+ $common = null;
+ $paths = array();
+ foreach ($block['__tags'] as $rawtag) {
+ $p = new tagparse($rawtag);
+ $paths[] = $path = $p->parse();
+ if (is_null($common)) $common = $path;
+ else {
+ $new_common = array();
+ foreach ($path as $tag) {
+ $head = array_shift($common);
+ if ($tag == $head) {
+ $new_common[] = $head;
+ } else break;
+ }
+ $common = $new_common;
+ if (empty($common)) {
+ // nothing in common
+ break;
+ }
+ }
+ }
+
+ if (!empty($common)) {
+ $new_paths = array();
+ foreach ($paths as $p) $new_paths[] = array_slice($p, count($common));
+ $block['__tags'] = $new_paths;
+ $root->addToNode($common, $block);
+ $order[] = array('compressed', $common, $block);
+ continue;
+ }
+
+ }
+
+ $order[] = array('none', $block['__tags'], $block);
+ }
+
+
+ $compressed = $root->children;
+ foreach ($order as $item) {
+ list($type, $tags, $block) = $item;
+ if ($type == 'compressed') {
+ $top = tagparse::compileTag(reset($tags));
+ if (isset($compressed[$top])) {
+ $compressed[$top]->compile($this);
+ unset($compressed[$top]);
+ }
+ } else {
+ echo $this->indent(implode(', ', $tags).' {');
+ $this->indentLevel++;
+ nodecounter::compileProperties($this, $block);
+ $this->indentLevel--;
+ echo $this->indent('}');
+ }
+ }
+ }
+}
diff --git a/mod/less/vendors/lessphp/package.sh b/mod/less/vendors/lessphp/package.sh
new file mode 100755
index 000000000..1c871a147
--- /dev/null
+++ b/mod/less/vendors/lessphp/package.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# creates tar.gz for current version
+
+VERSION=`./plessc -v | sed -n 's/^v\(.*\)$/\1/p'`
+OUT_DIR="tmp/lessphp"
+TMP=`dirname $OUT_DIR`
+
+mkdir -p $OUT_DIR
+tar -c `git ls-files` | tar -C $OUT_DIR -x
+
+rm $OUT_DIR/.gitignore
+rm $OUT_DIR/package.sh
+rm $OUT_DIR/lessify
+rm $OUT_DIR/lessify.inc.php
+
+OUT_NAME="lessphp-$VERSION.tar.gz"
+tar -czf $OUT_NAME -C $TMP lessphp/
+echo "Wrote $OUT_NAME"
+
+rm -r $TMP
+
diff --git a/mod/less/vendors/lessphp/plessc b/mod/less/vendors/lessphp/plessc
new file mode 100755
index 000000000..af07293e1
--- /dev/null
+++ b/mod/less/vendors/lessphp/plessc
@@ -0,0 +1,217 @@
+#!/usr/bin/php -q
+<?php
+// Command line utility to compile LESS to STDOUT
+// Leaf Corcoran <leafot@gmail.com>, 2012
+
+$exe = array_shift($argv); // remove filename
+
+$HELP = <<<EOT
+Usage: $exe [options] input-file [output-file]
+
+Options include:
+
+ -h, --help Show this message
+ -v Print the version
+ -f=format Set the output format, includes "default", "compressed"
+ -r Read from STDIN instead of input-file
+ -w Watch input-file, and compile to output-file if it is changed
+ -T Dump formatted parse tree
+ -X Dump raw parse tree
+
+
+EOT;
+
+$opts = getopt('hvrwnXTf:', array('help'));
+while (count($argv) > 0 && preg_match('/^-([-hvrwnXT]$|[f]=)/', $argv[0])) {
+ array_shift($argv);
+}
+
+function has() {
+ global $opts;
+ foreach (func_get_args() as $arg) {
+ if (isset($opts[$arg])) return true;
+ }
+ return false;
+}
+
+if (has("h", "help")) {
+ exit($HELP);
+}
+
+error_reporting(E_ALL);
+$path = realpath(dirname(__FILE__)).'/';
+
+require $path."lessc.inc.php";
+
+$VERSION = lessc::$VERSION;
+
+$fa = "Fatal Error: ";
+function err($msg) {
+ fwrite(STDERR, $msg."\n");
+}
+
+if (php_sapi_name() != "cli") {
+ err($fa.$argv[0]." must be run in the command line.");
+ exit(1);
+}
+
+function make_less($fname = null) {
+ global $opts;
+ $l = new lessc($fname);
+
+ if (has("f")) {
+ $format = $opts["f"];
+ if ($format != "default") $l->setFormatter($format);
+ }
+
+ return $l;
+}
+
+function process($data, $import = null) {
+ global $fa;
+
+ $l = make_less();
+ if ($import) $l->importDir = $import;
+
+ try {
+ echo $l->parse($data);
+ exit(0);
+ } catch (exception $ex) {
+ err($fa."\n".str_repeat('=', 20)."\n".
+ $ex->getMessage());
+ exit(1);
+ }
+}
+
+if (has("v")) {
+ exit($VERSION."\n");
+}
+
+if (has("r")) {
+ if (!empty($argv)) {
+ $data = $argv[0];
+ } else {
+ $data = "";
+ while (!feof(STDIN)) {
+ $data .= fread(STDIN, 8192);
+ }
+ }
+ exit(process($data));
+}
+
+if (has("w")) {
+ // need two files
+ if (!is_file($in = array_shift($argv)) ||
+ null == $out = array_shift($argv))
+ {
+ err($fa.$exe." -w infile outfile");
+ exit(1);
+ }
+
+ echo "Watching ".$in.
+ (has("n") ? ' with notifications' : '').
+ ", press Ctrl + c to exit.\n";
+
+ $cache = $in;
+ $last_action = 0;
+ while (true) {
+ clearstatcache();
+
+ // check if anything has changed since last fail
+ $updated = false;
+ if (is_array($cache)) {
+ foreach ($cache['files'] as $fname=>$_) {
+ if (filemtime($fname) > $last_action) {
+ $updated = true;
+ break;
+ }
+ }
+ } else $updated = true;
+
+ // try to compile it
+ if ($updated) {
+ $last_action = time();
+
+ try {
+ $cache = lessc::cexecute($cache);
+ echo "Writing updated file: ".$out."\n";
+ if (!file_put_contents($out, $cache['compiled'])) {
+ err($fa."Could not write to file ".$out);
+ exit(1);
+ }
+ } catch (exception $ex) {
+ echo "\nFatal Error:\n".str_repeat('=', 20)."\n".
+ $ex->getMessage()."\n\n";
+
+ if (has("n")) {
+ `notify-send -u critical "compile failed" "{$ex->getMessage()}"`;
+ }
+ }
+ }
+
+ sleep(1);
+ }
+ exit(0);
+}
+
+if (!$fname = array_shift($argv)) {
+ echo $HELP;
+ exit(1);
+}
+
+function dumpValue($node, $depth = 0) {
+ if (is_object($node)) {
+ $indent = str_repeat(" ", $depth);
+ $out = array();
+ foreach ($node->props as $prop) {
+ $out[] = $indent . dumpValue($prop, $depth + 1);
+ }
+ $out = implode("\n", $out);
+ if (!empty($node->tags)) {
+ $out = "+ ".implode(", ", $node->tags)."\n".$out;
+ }
+ return $out;
+ } elseif (is_array($node)) {
+ if (empty($node)) return "[]";
+ $type = $node[0];
+ if ($type == "block")
+ return dumpValue($node[1], $depth);
+
+ $out = array();
+ foreach ($node as $value) {
+ $out[] = dumpValue($value, $depth);
+ }
+ return "{ ".implode(", ", $out)." }";
+ } else {
+ if (is_string($node) && preg_match("/[\s,]/", $node)) {
+ return '"'.$node.'"';
+ }
+ return $node; // normal value
+ }
+}
+
+try {
+ $less = make_less($fname);
+ if (has("T", "X")) {
+ $parser = new lessc_parser($less, $fname);
+ $tree = $parser->parse(file_get_contents($fname));
+ if (has("X"))
+ $out = print_r($tree, 1);
+ else
+ $out = dumpValue($tree)."\n";
+ } else {
+ $out = $less->parse();
+ }
+
+ if (!$fout = array_shift($argv)) {
+ echo $out;
+ } else {
+ file_put_contents($fout, $out);
+ }
+
+} catch (exception $ex) {
+ err($fa.$ex->getMessage());
+ exit(1);
+}
+
+?>
diff --git a/mod/less/vendors/lessphp/tests/README.md b/mod/less/vendors/lessphp/tests/README.md
new file mode 100644
index 000000000..edb8f7be3
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/README.md
@@ -0,0 +1,24 @@
+## test.php
+
+To run:
+
+ php test.php [flags] [test-name-glob]
+
+
+Runs through all files in `inputs`, compiles them, then compares to respective
+file in `outputs`. If there are any differences then the test will fail.
+
+Add the `-d` flag to show the differences of failed tests. Defaults to showing
+differences with `diff` but you can set the tool by doing `-d=toolname`.
+
+Pass the `-C` flag to save the output of the inputs to the appropriate file. This
+will overwrite any existing outputs. Use this when you want to save verified
+test results. Combine with a *test-name-glob* to selectively compile.
+
+You can also run specific tests by passing in an argument that contains any
+part of the test name.
+
+## bootstrap.sh
+
+It's a syntetic test comparing lessc and lessphp output compiling twitter bootstrap;
+see bootstrap.sh for details. \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/bootstrap.sh b/mod/less/vendors/lessphp/tests/bootstrap.sh
new file mode 100755
index 000000000..b49f7cec3
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/bootstrap.sh
@@ -0,0 +1,49 @@
+echo "This script clones twitter bootsrap, compiles it with lessc and lessphp,"
+echo "cleans up results with csstidy, and outputs diff. To run it, you need to"
+echo "have git, csstidy and lessc installed."
+echo ""
+
+csstidy_params="--allow_html_in_templates=false --compress_colors=false
+--compress_font-weight=false --discard_invalid_properties=false
+--lowercase_s=false --preserve_css=true --remove_bslash=false
+--remove_last_;=false --sort-properties=true --sort-selectors=true
+--timestamp=false --silent=true --merge_selectors=0 --case-properties=0
+--optimize-shorthands=0 --template=high"
+
+if [ -z "$@" ]; then
+ diff_tool="diff -b -u -t -B"
+else
+ diff_tool=$@
+fi
+
+mkdir -p tmp
+
+if [ ! -d 'bootstrap/' ]; then
+ echo ">> Cloning bootstrap to bootstrap/"
+ git clone https://github.com/twitter/bootstrap
+fi
+
+echo ">> Lessc compilation"
+lessc bootstrap/less/bootstrap.less tmp/bootstrap.lessc.css
+
+echo ">> Lessphp compilation"
+../plessc bootstrap/less/bootstrap.less tmp/bootstrap.lessphp.css
+echo ">> Cleanup and convert"
+
+# csstidy tmp/bootstrap.lessc.css $csstidy_params tmp/bootstrap.lessc.clean.css
+# csstidy tmp/bootstrap.lessphp.css $csstidy_params tmp/bootstrap.lessphp.clean.css
+#
+# # put a newline after { and :
+# function split() {
+# sed 's/\(;\|{\)/\1\n/g'
+# }
+#
+# # csstidy is messed up and wont output to stdout when there are a bunch of options
+# cat tmp/bootstrap.lessc.clean.css | split | tee tmp/bootstrap.lessc.clean.css
+# cat tmp/bootstrap.lessphp.clean.css | split | tee tmp/bootstrap.lessphp.clean.css
+
+php sort.php tmp/bootstrap.lessc.css > tmp/bootstrap.lessc.clean.css
+php sort.php tmp/bootstrap.lessphp.css > tmp/bootstrap.lessphp.clean.css
+
+echo ">> Doing diff"
+$diff_tool tmp/bootstrap.lessc.clean.css tmp/bootstrap.lessphp.clean.css
diff --git a/mod/less/vendors/lessphp/tests/inputs/accessors.less.disable b/mod/less/vendors/lessphp/tests/inputs/accessors.less.disable
new file mode 100644
index 000000000..37f5c8e8b
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/accessors.less.disable
@@ -0,0 +1,36 @@
+/* accessors */
+
+#defaults {
+ @width: 960px;
+ @color: black;
+ .something {
+ @space: 10px;
+ @hello {
+ color: green;
+ }
+ }
+}
+
+.article { color: #294366; }
+
+.comment {
+ width: #defaults[@width];
+ color: .article['color'];
+ padding: #defaults > .something[@space];
+}
+
+.wow {
+ height: .comment['width'];
+ background-color: .comment['color'];
+ color: #defaults > .something > @hello['color'];
+
+ padding: #defaults > non-existant['padding'];
+ margin: #defaults > .something['non-existant'];
+}
+
+.mix {
+ #defaults;
+ font-size: .something[@space];
+}
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/arity.less b/mod/less/vendors/lessphp/tests/inputs/arity.less
new file mode 100644
index 000000000..a3adad612
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/arity.less
@@ -0,0 +1,77 @@
+
+// simple arity
+
+.hello(@a) {
+ color: one;
+}
+
+.hello(@a, @b) {
+ color: two;
+}
+
+.hello(@a, @b, @c) {
+ color: three;
+}
+
+
+.world(@a, @b, @c) {
+ color: three;
+}
+
+.world(@a, @b) {
+ color: two;
+}
+
+.world(@a) {
+ color: one;
+}
+
+.one {
+ .hello(1);
+ .world(1);
+}
+
+.two {
+ .hello(1, 1);
+ .world(1, 1);
+}
+
+.three {
+ .hello(1, 1, 1);
+ .world(1, 1, 1);
+}
+
+
+// arity with default values
+
+.foo(@a, @b: cool) {
+ color: two;
+}
+
+.foo(@a, @b: cool, @c: yeah) {
+ color: three;
+}
+
+
+.baz(@a, @b, @c: yeah) {
+ color: three;
+}
+
+.baz(@a, @b: cool) {
+ color: two;
+}
+
+
+.multi-foo {
+ .foo(1);
+ .foo(1, 1);
+ .foo(1,1,1);
+}
+
+.multi-baz {
+ .baz(1);
+ .baz(1, 1);
+ .baz(1,1,1);
+}
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/attributes.less b/mod/less/vendors/lessphp/tests/inputs/attributes.less
new file mode 100644
index 000000000..7ede4fc4e
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/attributes.less
@@ -0,0 +1,41 @@
+* { color: blue; }
+E { color: blue; }
+E[foo] { color: blue; }
+[foo] { color: blue; }
+[foo] .helloWorld { color: blue; }
+[foo].helloWorld { color: blue; }
+E[foo="barbar"] { color: blue; }
+E[foo~="hello#$@%@$#^"] { color: blue; }
+E[foo^="color: green;"] { color: blue; }
+E[foo$="239023"] { color: blue; }
+E[foo*="29302"] { color: blue; }
+E[foo|="239032"] { color: blue; }
+E:root { color: blue; }
+
+E:nth-child(odd) { color: blue; }
+E:nth-child(2n+1) { color: blue; }
+E:nth-child(5) { color: blue; }
+E:nth-last-child(-n+2) { color: blue; }
+E:nth-of-type(2n) { color: blue; }
+E:nth-last-of-type(n) { color: blue; }
+
+E:first-child { color: blue; }
+E:last-child { color: blue; }
+E:first-of-type { color: blue; }
+E:last-of-type { color: blue; }
+E:only-child { color: blue; }
+E:only-of-type { color: blue; }
+E:empty { color: blue; }
+
+E:lang(en) { color: blue; }
+E::first-line { color: blue; }
+E::before { color: blue; }
+
+E#id { color: blue; }
+E:not(:link) { color: blue; }
+
+E F { color: blue; }
+E > F { color: blue; }
+E + F { color: blue; }
+E ~ F { color: blue; }
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/builtins.less b/mod/less/vendors/lessphp/tests/inputs/builtins.less
new file mode 100644
index 000000000..ae2c4ef6e
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/builtins.less
@@ -0,0 +1,36 @@
+// builtin
+
+@something: "hello world";
+@color: #112233;
+@color2: rgba(44,55,66, .6);
+
+body {
+ color: @something;
+
+ @num: 7 / 6;
+ height: @num + 4;
+ height: floor(@num) + 4px;
+ height: ceil(@num) + 4px;
+
+ @num2: 2 / 3;
+ width: @num2;
+ width: round(@num2);
+ width: floor(@num2);
+ width: ceil(@num2);
+ width: round(10px / 3);
+
+ color: rgbahex(@color);
+ color: rgbahex(@color2);
+}
+
+
+format {
+ @r: 32;
+ format: %("rgb(%d, %d, %d)", @r, 128, 64);
+ format-string: %("hello %s", "world");
+ format-multiple: %("hello %s %d", "earth", 2);
+ format-url-encode: %('red is %A', #ff0000);
+ eformat: e(%("rgb(%d, %d, %d)", @r, 128, 64));
+}
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/colors.less b/mod/less/vendors/lessphp/tests/inputs/colors.less
new file mode 100644
index 000000000..d407a74f3
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/colors.less
@@ -0,0 +1,122 @@
+
+body {
+ color: hsl(34, 50%, 40%);
+ color: hsla(34, 50%, 40%, 0.3);
+
+ lighten: lighten(#efefef, 10%);
+ lighten: lighten(rgb(23, 53, 231), 22%);
+ lighten: lighten(rgba(212, 103, 88, 0.5), 10%);
+
+ darken: darken(#efefef, 10%);
+ darken: darken(rgb(23, 53, 231), 22%);
+ darken: darken(rgba(23, 53, 231, 0.5), 10%);
+
+ saturate: saturate(#efefef, 10%);
+ saturate: saturate(rgb(23, 53, 231), 22%);
+ saturate: saturate(rgba(23, 53, 231, 0.5), 10%);
+
+ desaturate: desaturate(#efefef, 10%);
+ desaturate: desaturate(rgb(23, 53, 231), 22%);
+ desaturate: desaturate(rgba(23, 53, 231, 0.5), 10%);
+
+ spin: spin(#efefef, 12);
+ spin: spin(rgb(23, 53, 231), 15);
+ spin: spin(rgba(23, 53, 231, 0.5), 19);
+
+ spin: spin(#efefef, -12);
+ spin: spin(rgb(23, 53, 231), -15);
+ spin: spin(rgba(23, 53, 231, 0.5), -19);
+
+ one: fadein(#abcdef, 10%);
+ one: fadeout(#abcdef, -10%);
+
+ two: fadeout(#029f23, 10%);
+ two: fadein(#029f23, -10%);
+
+
+ three: fadein(rgba(1,2,3, 0.5), 10%);
+ three: fadeout(rgba(1,2,3, 0.5), -10%);
+
+ four: fadeout(rgba(1,2,3, 0), 10%);
+ four: fadein(rgba(1,2,3, 0), -10%);
+
+ hue: hue(rgb(34,20,40));
+ sat: saturation(rgb(34,20,40));
+ lit: lightness(rgb(34,20,40));
+
+ @old: #34fa03;
+ @new: hsl(hue(@old), 45%, 90%);
+ what: @new;
+
+ zero: saturate(#123456, -100%);
+ zero: saturate(#123456, 100%);
+ zero: saturate(#000000, 100%);
+ zero: saturate(#ffffff, 100%);
+
+ zero: lighten(#123456, -100%);
+ zero: lighten(#123456, 100%);
+ zero: lighten(#000000, 100%);
+ zero: lighten(#ffffff, 100%);
+
+ zero: spin(#123456, -100);
+ zero: spin(#123456, 100);
+ zero: spin(#000000, 100);
+ zero: spin(#ffffff, 100);
+}
+
+
+alpha {
+ // g: alpha(red);
+ g: alpha(rgba(0,0,0,0));
+ g: alpha(rgb(155,55,0));
+}
+
+fade {
+ f: fade(red, 50%);
+ f: fade(#fff, 20%);
+ f: fade(rgba(34,23,64,0.4), 50%);
+}
+
+@a: rgb(255,255,255);
+@b: rgb(0,0,0);
+
+.mix {
+ color: mix(@a, @b, 50%);
+}
+
+.percent {
+ per: percentage(0.5);
+}
+
+// color keywords
+
+.colorz {
+ color: whitesmoke - 10;
+ color: spin(red, 34);
+}
+
+
+
+// purposfuly whacky to match less.js
+
+@color: #fcf8e3;
+
+body {
+ start: @color;
+ spin: spin(@color, -10); // #fcf4e3
+ chained: darken(spin(@color, -10), 3%); // gives #fbeed5, should be #fbefd5
+ direct: darken(#fcf4e3, 3%); // #fbefd5
+}
+
+// spin around
+pre {
+ @errorBackground: #f2dede;
+ spin: spin(@errorBackground, -10);
+}
+
+dd {
+ @white: #fff;
+ background-color: mix(@white, darken(@white, 10%), 60%);
+}
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/compile_on_mixin.less b/mod/less/vendors/lessphp/tests/inputs/compile_on_mixin.less
new file mode 100644
index 000000000..79d628f49
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/compile_on_mixin.less
@@ -0,0 +1,39 @@
+
+@mixin {
+ height: 22px;
+ ul {
+ height: 20px;
+ li {
+ @color: red;
+ height: 10px;
+ div span, link {
+ margin: 10px;
+ color: @color;
+ }
+ }
+
+ div, p {
+ border: 1px;
+ &.hello {
+ color: green;
+ }
+
+ :what {
+ color: blue;
+ }
+ }
+
+
+ a {
+ b {
+ color: blue;
+ }
+ }
+ }
+}
+
+
+
+body {
+ @mixin;
+}
diff --git a/mod/less/vendors/lessphp/tests/inputs/escape.less b/mod/less/vendors/lessphp/tests/inputs/escape.less
new file mode 100644
index 000000000..02d92d6f0
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/escape.less
@@ -0,0 +1,20 @@
+
+body {
+ @hello: "world";
+ border: e("this is simple");
+ border: e(this is simple); // bug in lessjs
+ border: e("this is simple", "cool lad");
+ border: e(1232);
+ border: e(@hello);
+ border: e("one" + 'more'); // no string addition lessjs
+ border: e(); // syntax error lessjs
+
+ line-height: ~"eating rice";
+ line-height: ~"string cheese";
+ line-height: a b c ~"string me" d e f;
+ line-height: ~"string @{hello}";
+}
+
+.class {
+ filter: ~"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='image.png')";
+}
diff --git a/mod/less/vendors/lessphp/tests/inputs/font_family.less b/mod/less/vendors/lessphp/tests/inputs/font_family.less
new file mode 100644
index 000000000..c7186b57b
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/font_family.less
@@ -0,0 +1,28 @@
+
+@font-directory: 'fonts/';
+@some-family: Gentium;
+
+@font-face: maroon; // won't collide with @font-face { }
+
+@font-face {
+ font-family: Graublau Sans Web;
+ src: url(@{font-directory}GraublauWeb.otf) format("opentype");
+}
+
+@font-face {
+ font-family: @some-family;
+ src: url('@{font-directory}Gentium.ttf');
+}
+
+@font-face {
+ font-family: @some-family;
+ src: url("@{font-directory}GentiumItalic.ttf");
+ font-style: italic;
+}
+
+h2 {
+ font-family: @some-family;
+ crazy: @font-face;
+}
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/guards.less b/mod/less/vendors/lessphp/tests/inputs/guards.less
new file mode 100644
index 000000000..20bdf240e
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/guards.less
@@ -0,0 +1,88 @@
+
+.simple(@hi) when (@hi) {
+ color: yellow;
+}
+
+
+.something(@hi) when (@hi = cool) {
+ color: red;
+}
+
+.another(@x) when (@x > 10) {
+ color: green;
+}
+
+
+.flipped(@x) when (@x =< 10) {
+ color: teal;
+}
+
+.yeah(@arg) when (isnumber(@arg)) {
+ color: purple;
+}
+
+
+.yeah(@arg) when (ispixel(@arg)) {
+ color: silver;
+}
+
+
+.hello(@arg) when not (@arg) {
+ color: orange;
+}
+
+dd {
+ .simple(true);
+ .simple(2344px);
+}
+
+b {
+ .something(cool);
+ .something(birthday);
+}
+
+img {
+ .another(12);
+ .another(2);
+
+ .flipped(12);
+ .flipped(2);
+}
+
+body {
+ .yeah("world");
+ .yeah(232px);
+ .yeah(232);
+
+ .hello(true);
+}
+
+.something(@x) when (@x) and (@y), not (@x = what) {
+ color: blue;
+}
+
+div {
+ @y: true;
+ .something(true);
+
+}
+
+pre {
+ .something(what);
+}
+
+
+.coloras(@g) when (iscolor(@g)) {
+ color: true @g;
+}
+
+link {
+ .coloras(red);
+ .coloras(10px);
+ .coloras(ffjref);
+ .coloras(#fff);
+ .coloras(#fffddd);
+ .coloras(rgb(0,0,0));
+ .coloras(rgba(0,0,0, .34));
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/hacks.less b/mod/less/vendors/lessphp/tests/inputs/hacks.less
new file mode 100644
index 000000000..e69b7bf98
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/hacks.less
@@ -0,0 +1,6 @@
+// css hacks
+
+:root .alert-message, :root .btn {
+ border-radius: 0 \0;
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/import.less b/mod/less/vendors/lessphp/tests/inputs/import.less
new file mode 100644
index 000000000..250d1a3f3
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/import.less
@@ -0,0 +1,21 @@
+
+@import 'file1.less'; // file found and imported
+
+@import "something.css" media;
+@import url("something.css") media;
+@import url(something.css) media, screen, print;
+
+@color: maroon;
+
+@import url(file2); // found and imported
+
+body {
+ line-height: 10em;
+ @colors;
+}
+
+div {
+ @color: fuchsia;
+ @import "file2";
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/keyframes.less b/mod/less/vendors/lessphp/tests/inputs/keyframes.less
new file mode 100644
index 000000000..e65a38b95
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/keyframes.less
@@ -0,0 +1,52 @@
+@keyframes 'bounce' {
+ from {
+ top: 100px;
+ animation-timing-function: ease-out;
+ }
+
+ 25% {
+ top: 50px;
+ animation-timing-function: ease-in;
+ }
+
+ 50% {
+ top: 100px;
+ animation-timing-function: ease-out;
+ }
+
+ 75% {
+ top: 75px;
+ animation-timing-function: ease-in;
+ }
+
+ to {
+ top: 100px;
+ }
+}
+
+@-webkit-keyframes flowouttoleft {
+ 0% { -webkit-transform: translateX(0) scale(1); }
+ 60%, 70% { -webkit-transform: translateX(0) scale(.7); }
+ 100% { -webkit-transform: translateX(-100%) scale(.7); }
+}
+
+div {
+ animation-name: 'diagonal-slide';
+ animation-duration: 5s;
+ animation-iteration-count: 10;
+}
+
+@keyframes 'diagonal-slide' {
+
+ from {
+ left: 0;
+ top: 0;
+ }
+
+ to {
+ left: 100px;
+ top: 100px;
+ }
+
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/math.less b/mod/less/vendors/lessphp/tests/inputs/math.less
new file mode 100644
index 000000000..3f4af2c7d
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/math.less
@@ -0,0 +1,116 @@
+
+.unary {
+ // all operators are parsable as unary operators, anything
+ // but - throws an error right now though,
+
+ // this gives two numbers
+ sub: 10 -5;
+ // add: 10 +5; // error
+ // div: 10 /5; // error
+ // mul: 10 *5; // error
+}
+
+.spaces {
+ // we can make the parser do math by leaving out the
+ // space after the first value, or putting spaces on both sides
+
+ sub: 10-5;
+ sub: 10 - 5;
+
+ add: 10+5;
+ add: 10 + 5;
+
+ // div: 10/5; // this wont work, read on
+ div: 10 / 5;
+
+ mul: 10*5;
+ mul: 10 * 5;
+}
+
+// these properties have divison not in parenthases
+.supress-division {
+ border-radius: 10px / 10px;
+ border-radius: 10px/10px;
+ border-radius: hello (10px/10px) world;
+ @x: 10px;
+ font: @x/30 sans-serif;
+ font: 10px / 20px sans-serif;
+ font: 10px/20px sans-serif;
+ border-radius:0 15px 15px 15px / 0 50% 50% 50%;
+}
+
+
+.parens {
+ // if you are unsure, then just wrap the expression in parentheses and it will
+ // always evaluate.
+
+ // notice we no longer have unary operators, and these will evaluate
+ sub: (10 -5);
+ add: (10 +5);
+ div: (10 /5);
+ div: (10/5); // no longer interpreted as the shorthand
+ mul: (10 *5);
+}
+
+.keyword-names {
+ // watch out when doing math with keywords, - is a valid keyword character
+ @a: 100;
+ @b: 25;
+ @a-: "hello";
+ height: @a-@b; // here we get "hello" 25, not 75
+}
+
+
+.negation {
+ hello: -(1px);
+ hello: 0-(1px);
+
+ @something: 10;
+ hello: -@something;
+}
+
+
+// and now here are the tests
+
+.test {
+ single: (5);
+ single: 5+(5);
+ single: (5)+((5));
+
+ parens: (5 +(5)) -2;
+ // parens: ((5 +(5)) -2); // FAILS - fixme
+
+ math: (5 + 5)*(2 / 1);
+ math: (5+5)*(2/1);
+
+ width: 2 * (4 * (2 + (1 + 6))) - 1;
+ height: ((2+3)*(2+3) / (9-4)) + 1;
+ padding: (2px + 4px) 1em 2px 2;
+
+ @var: (2 * 2);
+ padding: (2 * @var) 4 4 (@var * 1px);
+ width: (@var * @var) * 6;
+ height: (7 * 7) + (8 * 8);
+ margin: 4 * (5 + 5) / 2 - (@var * 2);
+}
+
+.percents {
+ color: 100 * 10%;
+ color: 10% * 100;
+ color: 10% * 10%;
+
+ color: 100px * 10%; // lessjs makes this px
+ color: 10% * 100px; // lessjs makes this %
+
+ color: 20% + 10%;
+ color: 20% - 10%;
+
+ color: 20% / 10%;
+}
+
+.misc {
+ x: 10px * 4em;
+ y: 10 * 4em;
+
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/media.less b/mod/less/vendors/lessphp/tests/inputs/media.less
new file mode 100644
index 000000000..0e65d942f
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/media.less
@@ -0,0 +1,38 @@
+@media screen, 3D {
+ P { color: green; }
+}
+@media print {
+ body { font-size: 10pt }
+}
+@media screen {
+ body { font-size: 13px }
+}
+@media screen, print {
+ body { line-height: 1.2 }
+}
+
+@media all and (min-width: 0px) {
+ body { line-height: 1.2 }
+}
+
+@media all and (min-width: 0) {
+ body { line-height: 1.2 }
+}
+
+@media
+ screen and (min-width: 102.5em) and (max-width: 117.9375em),
+ screen and (min-width: 150em) {
+ body { color: blue }
+}
+
+
+@media screen and (min-height: 100px + 10px) {
+ body { color: red; }
+}
+
+@cool: 100px;
+
+@media screen and (height: @cool) and (width: @cool + 10), (size: @cool + 20) {
+ body { color: red; }
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/misc.less b/mod/less/vendors/lessphp/tests/inputs/misc.less
new file mode 100644
index 000000000..86bd8f706
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/misc.less
@@ -0,0 +1,84 @@
+
+@hello: "utf-8";
+@charset @hello;
+
+@color: #fff;
+@base_path: "/assets/images/";
+@images: @base_path + "test/";
+.topbar { background: url(@{images}topbar.png); }
+.hello { test: empty-function(@images, 40%, to(@color)); }
+
+.css3 {
+ background-image: -webkit-gradient(linear, 0% 0%, 0% 90%,
+ from(#E9A000), to(#A37000));
+}
+
+
+/**
+
+Here is a block comment
+
+**/
+
+
+// this is a comment
+
+.test, /*hello*/.world {
+ border: 1px solid red; // world
+ /* another property */
+ color: url(http://mage-page.com);
+ string: "hello /* this is not a comment */";
+ world: "// neither is this";
+ string: 'hello /* this is not a comment */' /*what if this is a comment */;
+ world: '// neither is this' // hell world;
+ ;
+ what-/*something?*/ever: 100px;
+ background: url(/*no comment here*/);
+}
+
+
+.urls {
+ @var: "http://google.com";
+ background: url(@var);
+ background: url(@{var});
+ background: url("@{var}");
+}
+
+.mix(@arg) { color: @arg; }
+@aaa: aaa;
+@bbb: bbb;
+// make sure the opening selector isn't too greedy
+.cool {.mix("@{aaa}, @{bbb}")}
+.cool();
+
+.cool("{hello");
+.cool('{hello');
+
+
+// merging of mixins
+.span-17 { float: left; }
+.span-17 { width: 660px; }
+
+.x {.span-17;}
+
+.hi {
+ pre {
+ color: red;
+ }
+}
+
+.hi {
+ pre {
+ color: blue;
+ }
+}
+
+.rad {
+ .hi;
+}
+
+
+@page :left { margin-left: 4cm; }
+@page :right { margin-left: 3cm; }
+@page { margin: 2cm }
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/mixin_functions.less b/mod/less/vendors/lessphp/tests/inputs/mixin_functions.less
new file mode 100644
index 000000000..fc9d57901
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/mixin_functions.less
@@ -0,0 +1,40 @@
+
+@outer: 10px;
+@class(@var:22px, @car: 400px + @outer) {
+ margin: @var;
+ height: @car;
+}
+
+@group {
+ @f(@color) {
+ color: @color;
+ }
+ .cool {
+ border-bottom: 1px solid green;
+ }
+}
+
+.class(@width:200px) {
+ padding: @width;
+}
+
+body {
+ .class(2.0em);
+ @group > @f(red);
+ @class(10px, 10px + 2);
+ @group > .cool;
+}
+
+
+@lots(@a: 10px, @b: 20px, @c: 30px, @d: 40px, @e: 4px, @f:3px, @g:2px, @h: 1px) {
+ padding: @a @b @c @d;
+ margin: @e @f @g @h;
+}
+
+.skip_args {
+ @class(,12px);
+ @lots(,,,88px,,12px);
+ @group > @f(red,,,,);
+ @group > @f(red);
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/mixin_merging.less.disable b/mod/less/vendors/lessphp/tests/inputs/mixin_merging.less.disable
new file mode 100644
index 000000000..6b25e421f
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/mixin_merging.less.disable
@@ -0,0 +1,100 @@
+
+@tester {
+ p, div { height: 10px; }
+}
+
+#test1 {
+ div { color: red; }
+ @tester;
+}
+
+
+@cool {
+ a,b,i { width: 1px; }
+}
+
+#test2 {
+ b { color: red; }
+ @cool;
+}
+
+#test3 {
+ @cool;
+ b { color: red; }
+}
+
+@cooler {
+ a { margin: 1px; }
+}
+
+#test4 {
+ a, div, html { color: blue; }
+ @cooler;
+}
+
+@hi {
+ img, strong { float: right; }
+}
+
+#test5 {
+ img, strong { padding: 2px; }
+ @hi;
+}
+
+@nested {
+ div, span {
+ a {
+ color: red;
+ }
+ }
+}
+
+#test6 {
+ div, span {
+ a {
+ line-height: 10px;
+ }
+ }
+ @nested;
+}
+
+@broken-nesting {
+ div, span {
+ strong, b {
+ color: red;
+ }
+ }
+
+}
+
+#test7 {
+ div {
+ strong {
+ margin: 1px;
+ }
+ }
+ @broken-nesting;
+}
+
+
+@another-nest {
+ a,b {
+ i {
+ color: red;
+ }
+
+ s {
+ color: blue;
+ }
+ }
+}
+
+#test8 {
+ a, b {
+ i,s {
+ background: red;
+ }
+ }
+ @another-nest;
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/mixins.less b/mod/less/vendors/lessphp/tests/inputs/mixins.less
new file mode 100644
index 000000000..259db3def
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/mixins.less
@@ -0,0 +1,126 @@
+
+@rounded-corners {
+ border-radius: 10px;
+}
+
+.bold {
+ @font-size: 20px;
+ font-size: @font-size;
+ font-weight: bold;
+}
+
+body #window {
+ @rounded-corners;
+ .bold;
+ line-height: @font-size * 1.5;
+}
+
+#bundle {
+ .button {
+ display: block;
+ border: 1px solid black;
+ background-color: grey;
+ &:hover { background-color: white }
+ }
+}
+#header a {
+ color: orange;
+ #bundle > .button; // mixin the button class
+}
+
+div {
+ @abstract {
+ hello: world;
+ b {
+ color: blue;
+ }
+ }
+
+ @abstract > b;
+ @abstract;
+}
+
+@poop {
+ big: baby;
+}
+
+body {
+ div;
+}
+
+// not using > to list mixins
+
+.hello {
+ .world {
+ color: blue;
+ }
+}
+
+.foobar {
+ .hello .world;
+}
+
+
+.butter {
+ .this .one .isnt .found;
+}
+
+
+// arguments
+
+.spam(@something: 100, @dad: land) {
+ @wow: 23434;
+ foo: @arguments;
+ bar: @arguments;
+}
+
+.eggs {
+ .spam(1px, 2px);
+ .spam();
+}
+
+.first(@one, @two, @three, @four: cool) {
+ cool: @arguments;
+}
+
+#hello {
+ .first(one, two, three);
+}
+
+#hello-important {
+ .first(one, two, three) !important;
+}
+
+.rad(@name) {
+ cool: @arguments;
+}
+
+#world {
+ @hello: "world";
+ .rad("@{hello}");
+}
+
+.second(@x, @y:skip, @z: me) {
+ things: @arguments;
+}
+
+#another {
+ .second(red, blue, green);
+ .second(red blue green);
+}
+
+
+.another(@x, @y:skip, @z:me) {
+ .cool {
+ color: @arguments;
+ }
+}
+
+#day {
+ .another(one,two, three);
+ .another(one two three);
+}
+
+
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/nested.less b/mod/less/vendors/lessphp/tests/inputs/nested.less
new file mode 100644
index 000000000..0b62ea19b
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/nested.less
@@ -0,0 +1,60 @@
+#header {
+ color: black;
+
+ .navigation {
+ font-size: 12px;
+ .border {
+ .outside {
+ color: blue;
+ }
+ }
+ }
+ .logo {
+ width: 300px;
+ &:hover { text-decoration: none }
+ }
+}
+
+a { b { ul { li { color: green; } } } }
+
+this { will { not { show { } } } }
+
+.cool {
+ div & { color: green; }
+ p & span { color: yellow; }
+}
+
+another {
+ .cool;
+}
+
+b {
+ & .something {
+ color: blue;
+ }
+
+ &.something {
+ color: blue;
+ }
+}
+
+.foo {
+ .bar, .baz {
+ & .qux {
+ display: block;
+ }
+ .qux & {
+ display: inline;
+ }
+ .qux & .biz {
+ display: none;
+ }
+ }
+}
+
+b {
+ hello [x="&yeah"] {
+ color: red;
+ }
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/pattern_matching.less b/mod/less/vendors/lessphp/tests/inputs/pattern_matching.less
new file mode 100644
index 000000000..e875473d3
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/pattern_matching.less
@@ -0,0 +1,167 @@
+
+.demo (light, @color) {
+ color: lighten(@color, 10%);
+}
+.demo (@_, @color) {
+ display: block;
+}
+
+@switch: light;
+
+.class {
+ .demo(@switch, #888);
+}
+
+// by arity
+
+.mixin () {
+ zero: 0;
+}
+.mixin (@a: 1px) {
+ one: 1;
+}
+.mixin (@a) {
+ one-req: 1;
+}
+.mixin (@a: 1px, @b: 2px) {
+ two: 2;
+}
+
+.mixin (@a, @b, @c) {
+ three-req: 3;
+}
+
+.mixin (@a: 1px, @b: 2px, @c: 3px) {
+ three: 3;
+}
+
+.zero {
+ .mixin();
+}
+
+.one {
+ .mixin(1);
+}
+
+.two {
+ .mixin(1, 2);
+}
+
+.three {
+ .mixin(1, 2, 3);
+}
+
+//
+
+.mixout ('left') {
+ left: 1;
+}
+
+.mixout ('right') {
+ right: 1;
+}
+
+.left {
+ .mixout('left');
+}
+.right {
+ .mixout('right');
+}
+
+//
+
+.border (@side, @width) {
+ color: black;
+ .border-side(@side, @width);
+}
+.border-side (left, @w) {
+ border-left: @w;
+}
+.border-side (right, @w) {
+ border-right: @w;
+}
+
+.border-right {
+ .border(right, 4px);
+}
+.border-left {
+ .border(left, 4px);
+}
+
+//
+
+
+.border-radius (@r) {
+ both: @r * 10;
+}
+.border-radius (@r, left) {
+ left: @r;
+}
+.border-radius (@r, right) {
+ right: @r;
+}
+
+.only-right {
+ .border-radius(33, right);
+}
+.only-left {
+ .border-radius(33, left);
+}
+.left-right {
+ .border-radius(33);
+}
+
+.hola(hello, @hello...) {
+ color: blue;
+}
+
+#hola {
+ .hola(hello, world);
+ .hola(jello, world);
+}
+
+.resty(@hello, @world, @the_rest...) {
+ padding: @hello @world;
+ rest: @the_rest;
+}
+
+#nnn {
+ .body(10, 10, 10, 10, 10);
+ .body(10, 10, 10);
+ .body(10, 10);
+ .body(10);
+ .body();
+}
+
+.defaults(@aa, @bb:e343, @cc: "heah", ...) {
+ height: @aa;
+}
+
+#defaults_1 {
+ .defaults();
+ .defaults(one);
+ .defaults(two, one);
+ .defaults(three, two, one);
+ .defaults(four, three, two, one);
+}
+
+
+.thing() { color: green; }
+.thing(...) { color: blue; }
+.thing { color: red; }
+
+#aa {
+ .thing();
+}
+
+#bb {
+ .thing;
+}
+
+
+#cc {
+ .thing(1);
+}
+
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/scopes.less b/mod/less/vendors/lessphp/tests/inputs/scopes.less
new file mode 100644
index 000000000..0ddbfac20
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/scopes.less
@@ -0,0 +1,40 @@
+
+
+@a: 10;
+@some {
+ @b: @a + 10;
+ div {
+ @c: @b + 10;
+ other {
+ @d: @c + 10;
+ world {
+ @e: @d + 10;
+ height: @e;
+ }
+ }
+ }
+}
+
+
+body {
+ @some;
+}
+
+@some;
+
+.test(@x: 10) {
+ height: @x;
+ .test(@y: 11) {
+ height: @y;
+ .test(@z: 12) {
+ height: @z;
+ }
+ .test;
+ }
+ .test;
+}
+
+pre {
+ .test;
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/selector_expressions.less b/mod/less/vendors/lessphp/tests/inputs/selector_expressions.less
new file mode 100644
index 000000000..a16c1d23a
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/selector_expressions.less
@@ -0,0 +1,29 @@
+
+@color: blue;
+
+(~"something @{color}"), world {
+ color: blue;
+}
+
+.div {
+ @color: red;
+ (3434) {
+ height: 100px;
+ }
+
+ (~"cool @{color}") {
+ height: 4000px;
+ }
+}
+
+.heck(@a) { color: @a+10 }
+
+.spanX (@index) when (@index > 0) {
+ (~".span@{index}") { .heck(@index) }
+ .spanX(@index - 1);
+}
+.spanX (0) {}
+
+.spanX (5);
+
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/site_demos.less b/mod/less/vendors/lessphp/tests/inputs/site_demos.less
new file mode 100644
index 000000000..136a99ac8
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/site_demos.less
@@ -0,0 +1,120 @@
+// these are the demos from the lessphp homepage
+
+default {
+ @base: 24px;
+ @border-color: #B2B;
+
+ .underline { border-bottom: 1px solid green }
+
+ #header {
+ color: black;
+ border: 1px solid @border-color + #222222;
+
+ .navigation {
+ font-size: @base / 2;
+ a {
+ .underline;
+ }
+ }
+ .logo {
+ width: 300px;
+ &:hover { text-decoration: none }
+ }
+ }
+}
+
+variables {
+ @a: 2;
+ @x: @a * @a;
+ @y: @x + 1;
+ @z: @x * 2 + @y;
+
+ @nice-blue: #5B83AD;
+ @light-blue: @nice-blue + #111;
+
+ @b: @a * 10;
+ @c: #888;
+ @fonts: "Trebuchet MS", Verdana, sans-serif;
+
+ .variables {
+ width: @z + 1cm; // 14cm
+ height: @b + @x + 0px; // 24px
+ color: @c;
+ background: @light-blue;
+ font-family: @fonts;
+ }
+}
+
+mixins {
+ .bordered {
+ border-top: dotted 1px black;
+ border-bottom: solid 2px black;
+ }
+ #menu a {
+ color: #111;
+ .bordered;
+ }
+
+ .post a {
+ color: red;
+ .bordered;
+ }
+}
+
+nested-rules {
+ #header {
+ color: black;
+
+ .navigation {
+ font-size: 12px;
+ }
+ .logo {
+ width: 300px;
+ &:hover { text-decoration: none }
+ }
+ }
+}
+
+namespaces {
+ #bundle {
+ .button {
+ display: block;
+ border: 1px solid black;
+ background-color: grey;
+ &:hover { background-color: white }
+ }
+ }
+ #header a {
+ color: orange;
+ #bundle > .button; // mixin the button class
+ }
+}
+
+mixin-functions {
+ @outer: 10px;
+ @class(@var:22px, @car: 400px + @outer) {
+ margin: @var;
+ height: @car;
+ }
+
+ @group {
+ @f(@color) {
+ color: @color;
+ }
+ .cool {
+ border-bottom: 1px solid green;
+ }
+ }
+
+ .class(@width:200px) {
+ padding: @width;
+ }
+
+ body {
+ .class(2.0em);
+ @group > @f(red);
+ @class(10px, 10px + 2);
+ @group > .cool;
+ }
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/test-imports/file1.less b/mod/less/vendors/lessphp/tests/inputs/test-imports/file1.less
new file mode 100644
index 000000000..658de0c53
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/test-imports/file1.less
@@ -0,0 +1,16 @@
+
+
+/**
+ * This is a test import file
+ */
+
+@colors {
+ div.bright {
+ color: red;
+ }
+
+ div.sad {
+ color: blue;
+ }
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/test-imports/file2.less b/mod/less/vendors/lessphp/tests/inputs/test-imports/file2.less
new file mode 100644
index 000000000..2cae8dce0
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/test-imports/file2.less
@@ -0,0 +1,6 @@
+
+b {
+ color: @color;
+ padding: 16px;
+}
+
diff --git a/mod/less/vendors/lessphp/tests/inputs/variables.less b/mod/less/vendors/lessphp/tests/inputs/variables.less
new file mode 100644
index 000000000..6c4ef8fb4
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/inputs/variables.less
@@ -0,0 +1,45 @@
+@a: 2;
+@x: @a * @a;
+@y: @x + 1;
+@z: @y + @x * 2;
+@m: @z % @y;
+
+@nice-blue: #5B83AD;
+@light-blue: @nice-blue + #111;
+
+@rgb-color: rgb(20%, 15%, 80%);
+@rgba-color: rgba(23,68,149,0.5);
+
+@b: @a * 10px;
+@c: #888;
+@fonts: "Trebuchet MS", Verdana, sans-serif;
+
+.variables {
+ width: @z + 1cm; // 14cm
+ height: @b + @x + 0px; // 24px
+ margin-top: -@b; // -20px
+ margin-bottom: 10 - -@b; // 30px
+ @d: @c + #001;
+ color: @d;
+ background: @light-blue;
+ font-family: @fonts;
+ margin: @m + 0px; // 3px
+ font: 10px/12px serif;
+ font: 120%/120% serif;
+}
+
+.external {
+ color: @c;
+ border: 1px solid @rgb-color;
+ background: @rgba-color;
+ padding: @nonexistant + 4px;
+}
+
+@hello: 44px;
+@something: "hello";
+@cool: something;
+
+color: @@something;
+color: @@@cool;
+
+
diff --git a/mod/less/vendors/lessphp/tests/outputs/accessors.css b/mod/less/vendors/lessphp/tests/outputs/accessors.css
new file mode 100644
index 000000000..e6c01a72c
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/accessors.css
@@ -0,0 +1,14 @@
+.article { color:#294366; }
+.comment {
+ width:960px;
+ color:#294366;
+ padding:10px;
+}
+.wow {
+ height:960px;
+ background-color:#294366;
+ color:green;
+ padding:;
+ margin:;
+}
+.mix { font-size:10px; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/arity.css b/mod/less/vendors/lessphp/tests/outputs/arity.css
new file mode 100644
index 000000000..7900e4087
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/arity.css
@@ -0,0 +1,25 @@
+.one {
+ color:one;
+ color:one;
+}
+.two {
+ color:two;
+ color:two;
+}
+.three {
+ color:three;
+ color:three;
+}
+.multi-foo {
+ color:two;
+ color:three;
+ color:two;
+ color:three;
+ color:three;
+}
+.multi-baz {
+ color:two;
+ color:three;
+ color:two;
+ color:three;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/attributes.css b/mod/less/vendors/lessphp/tests/outputs/attributes.css
new file mode 100644
index 000000000..229f7cf36
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/attributes.css
@@ -0,0 +1,35 @@
+* { color:blue; }
+E { color:blue; }
+E[foo] { color:blue; }
+[foo] { color:blue; }
+[foo] .helloWorld { color:blue; }
+[foo].helloWorld { color:blue; }
+E[foo="barbar"] { color:blue; }
+E[foo~="hello#$@%@$#^"] { color:blue; }
+E[foo^="color: green;"] { color:blue; }
+E[foo$="239023"] { color:blue; }
+E[foo*="29302"] { color:blue; }
+E[foo|="239032"] { color:blue; }
+E:root { color:blue; }
+E:nth-child(odd) { color:blue; }
+E:nth-child(2n+1) { color:blue; }
+E:nth-child(5) { color:blue; }
+E:nth-last-child(-n+2) { color:blue; }
+E:nth-of-type(2n) { color:blue; }
+E:nth-last-of-type(n) { color:blue; }
+E:first-child { color:blue; }
+E:last-child { color:blue; }
+E:first-of-type { color:blue; }
+E:last-of-type { color:blue; }
+E:only-child { color:blue; }
+E:only-of-type { color:blue; }
+E:empty { color:blue; }
+E:lang(en) { color:blue; }
+E::first-line { color:blue; }
+E::before { color:blue; }
+E#id { color:blue; }
+E:not(:link) { color:blue; }
+E F { color:blue; }
+E > F { color:blue; }
+E + F { color:blue; }
+E ~ F { color:blue; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/builtins.css b/mod/less/vendors/lessphp/tests/outputs/builtins.css
new file mode 100644
index 000000000..1787e0ba3
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/builtins.css
@@ -0,0 +1,20 @@
+body {
+ color:"hello world";
+ height:5.1666666666667;
+ height:5px;
+ height:6px;
+ width:0.66666666666667;
+ width:1;
+ width:0;
+ width:1;
+ width:3px;
+ color:#00112233;
+ color:#992c3742;
+}
+format {
+ format:"rgb(32, 128, 64)";
+ format-string:"hello world";
+ format-multiple:"hello earth 2";
+ format-url-encode:'red is %A';
+ eformat:rgb(32, 128, 64);
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/colors.css b/mod/less/vendors/lessphp/tests/outputs/colors.css
new file mode 100644
index 000000000..51eb152b5
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/colors.css
@@ -0,0 +1,69 @@
+body {
+ color:#996d33;
+ color:rgba(153,109,51,0.3);
+ lighten:#fff;
+ lighten:#7c8df2;
+ lighten:rgba(222,140,129,0.5);
+ darken:#d6d6d6;
+ darken:#0d1e81;
+ darken:rgba(18,42,185,0.5);
+ saturate:#f1eded;
+ saturate:#0025fe;
+ saturate:rgba(10,44,244,0.5);
+ desaturate:#efefef;
+ desaturate:#3349cb;
+ desaturate:rgba(36,62,218,0.5);
+ spin:#efefef;
+ spin:#2d17e7;
+ spin:rgba(59,23,231,0.5);
+ spin:#efefef;
+ spin:#1769e7;
+ spin:rgba(23,119,231,0.5);
+ one:#abcdef;
+ one:#abcdef;
+ two:rgba(2,159,35,0.9);
+ two:rgba(2,159,35,0.9);
+ three:rgba(1,2,3,0.6);
+ three:rgba(1,2,3,0.6);
+ four:rgba(1,2,3,0);
+ four:rgba(1,2,3,0);
+ hue:282;
+ sat:33;
+ lit:12;
+ what:#dff1da;
+ zero:#343434;
+ zero:#003468;
+ zero:#000;
+ zero:#fff;
+ zero:#000;
+ zero:#fff;
+ zero:#fff;
+ zero:#fff;
+ zero:#1d5612;
+ zero:#56124b;
+ zero:#000;
+ zero:#fff;
+}
+alpha {
+ g:0;
+ g:1;
+}
+fade {
+ f:rgba(255,0,0,0.5);
+ f:rgba(255,255,255,0.2);
+ f:rgba(34,23,64,0.5);
+}
+.mix { color:#808080; }
+.percent { per:50%; }
+.colorz {
+ color:#ebebeb;
+ color:#ff9100;
+}
+body {
+ start:#fcf8e3;
+ spin:#fcf4e3;
+ chained:#fbeed5;
+ direct:#fbefd5;
+}
+pre { spin:#f2dee1; }
+dd { background-color:#f5f5f5; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/compile_on_mixin.css b/mod/less/vendors/lessphp/tests/outputs/compile_on_mixin.css
new file mode 100644
index 000000000..b1a3d7fcc
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/compile_on_mixin.css
@@ -0,0 +1,11 @@
+body { height:22px; }
+body ul { height:20px; }
+body ul li { height:10px; }
+body ul li div span, body ul li link {
+ margin:10px;
+ color:red;
+}
+body ul div, body ul p { border:1px; }
+body ul div.hello, body ul p.hello { color:green; }
+body ul div :what, body ul p :what { color:blue; }
+body ul a b { color:blue; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/escape.css b/mod/less/vendors/lessphp/tests/outputs/escape.css
new file mode 100644
index 000000000..a310fe009
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/escape.css
@@ -0,0 +1,14 @@
+body {
+ border:this is simple;
+ border:this;
+ border:this is simple;
+ border:1232;
+ border:world;
+ border:onemore;
+ border:;
+ line-height:eating rice;
+ line-height:string cheese;
+ line-height:a b c string me d e f;
+ line-height:string world;
+}
+.class { filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='image.png'); } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/font_family.css b/mod/less/vendors/lessphp/tests/outputs/font_family.css
new file mode 100644
index 000000000..afbc996d3
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/font_family.css
@@ -0,0 +1,17 @@
+@font-face {
+ font-family:Graublau Sans Web;
+ src:url(fonts/GraublauWeb.otf) format("opentype");
+}
+@font-face {
+ font-family:Gentium;
+ src:url('fonts/Gentium.ttf');
+}
+@font-face {
+ font-family:Gentium;
+ src:url("fonts/GentiumItalic.ttf");
+ font-style:italic;
+}
+h2 {
+ font-family:Gentium;
+ crazy:maroon;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/guards.css b/mod/less/vendors/lessphp/tests/outputs/guards.css
new file mode 100644
index 000000000..db110aa9d
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/guards.css
@@ -0,0 +1,23 @@
+dd { color:yellow; }
+b {
+ color:red;
+ color:blue;
+ color:blue;
+}
+img {
+ color:green;
+ color:teal;
+}
+body {
+ color:purple;
+ color:silver;
+ color:purple;
+}
+div { color:blue; }
+link {
+ color:true red;
+ color:true #fff;
+ color:true #fffddd;
+ color:true #000;
+ color:true rgba(0,0,0,0.34);
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/hacks.css b/mod/less/vendors/lessphp/tests/outputs/hacks.css
new file mode 100644
index 000000000..984faa6e5
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/hacks.css
@@ -0,0 +1 @@
+:root .alert-message, :root .btn { border-radius:0 \0; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/import.css b/mod/less/vendors/lessphp/tests/outputs/import.css
new file mode 100644
index 000000000..4d50ba598
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/import.css
@@ -0,0 +1,14 @@
+@import url("something.css") media;
+@import url("something.css") media;
+@import url("something.css") media, screen, print;
+b {
+ color:maroon;
+ padding:16px;
+}
+body { line-height:10em; }
+body div.bright { color:red; }
+body div.sad { color:blue; }
+div b {
+ color:fuchsia;
+ padding:16px;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/keyframes.css b/mod/less/vendors/lessphp/tests/outputs/keyframes.css
new file mode 100644
index 000000000..d01f05b77
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/keyframes.css
@@ -0,0 +1,47 @@
+@keyframes 'bounce' {
+ from {
+ top:100px;
+ animation-timing-function:ease-out;
+ }
+ 25% {
+ top:50px;
+ animation-timing-function:ease-in;
+ }
+ 50% {
+ top:100px;
+ animation-timing-function:ease-out;
+ }
+ 75% {
+ top:75px;
+ animation-timing-function:ease-in;
+ }
+ to {
+ top:100px;
+ }
+}
+@-webkit-keyframes flowouttoleft {
+ 0% {
+ -webkit-transform:translateX(0) scale(1);
+ }
+ 60%, 70% {
+ -webkit-transform:translateX(0) scale(.7);
+ }
+ 100% {
+ -webkit-transform:translateX(-100%) scale(.7);
+ }
+}
+div {
+ animation-name:'diagonal-slide';
+ animation-duration:5s;
+ animation-iteration-count:10;
+}
+@keyframes 'diagonal-slide' {
+ from {
+ left:0;
+ top:0;
+ }
+ to {
+ left:100px;
+ top:100px;
+ }
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/math.css b/mod/less/vendors/lessphp/tests/outputs/math.css
new file mode 100644
index 000000000..bcd66839e
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/math.css
@@ -0,0 +1,61 @@
+.unary { sub:10 -5; }
+.spaces {
+ sub:5;
+ sub:5;
+ add:15;
+ add:15;
+ div:2;
+ mul:50;
+ mul:50;
+}
+.supress-division {
+ border-radius:10px/10px;
+ border-radius:10px/10px;
+ border-radius:hello(10px/10px) world;
+ font:10px/30 sans-serif;
+ font:10px/20px sans-serif;
+ font:10px/20px sans-serif;
+ border-radius:0 15px 15px 15px/0 50% 50% 50%;
+}
+.parens {
+ sub:5;
+ add:15;
+ div:2;
+ div:2;
+ mul:50;
+}
+.keyword-names { height:"hello" 25; }
+.negation {
+ hello:-1px;
+ hello:-1px;
+ hello:-10;
+}
+.test {
+ single:5;
+ single:10;
+ single:10;
+ parens:10 -2;
+ math:20;
+ math:20;
+ width:71;
+ height:6;
+ padding:6px 1em 2px 2;
+ padding:8 4 4 4px;
+ width:96;
+ height:113;
+ margin:12;
+}
+.percents {
+ color:1000%;
+ color:1000%;
+ color:100%;
+ color:1000px;
+ color:1000%;
+ color:30%;
+ color:10%;
+ color:2%;
+}
+.misc {
+ x:40px;
+ y:40em;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/media.css b/mod/less/vendors/lessphp/tests/outputs/media.css
new file mode 100644
index 000000000..cb5683fd4
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/media.css
@@ -0,0 +1,28 @@
+@media screen, 3D {
+ P { color:green; }
+}
+@media print {
+ body { font-size:10pt; }
+}
+@media screen {
+ body { font-size:13px; }
+}
+@media screen, print {
+ body { line-height:1.2; }
+}
+@media all and (min-width: 0px) {
+ body { line-height:1.2; }
+}
+@media all and (min-width: 0) {
+ body { line-height:1.2; }
+}
+@media screen and (min-width: 102.5em) and (max-width: 117.9375em),
+ screen and (min-width: 150em) {
+ body { color:blue; }
+}
+@media screen and (min-height: 110px) {
+ body { color:red; }
+}
+@media screen and (height: 100px) and (width: 110px), (size: 120px) {
+ body { color:red; }
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/misc.css b/mod/less/vendors/lessphp/tests/outputs/misc.css
new file mode 100644
index 000000000..8d85268c8
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/misc.css
@@ -0,0 +1,40 @@
+@charset "utf-8";
+color:"aaa, bbb";
+.topbar { background:url(/assets/images/test/topbar.png); }
+.hello { test:empty-function("/assets/images/test/",40%,to(#fff)); }
+.css3 { background-image:-webkit-gradient(linear,0% 0%,0% 90%,from(#e9a000),to(#a37000)); }
+.test, .world {
+ border:1px solid red;
+ color:url(http://mage-page.com);
+ string:"hello /* this is not a comment */";
+ world:"// neither is this";
+ string:'hello /* this is not a comment */';
+ world:'// neither is this';
+ what-ever:100px;
+ background:url(/*no comment here*/);
+}
+.urls {
+ background:url("http://google.com");
+ background:url(http://google.com);
+ background:url("http://google.com");
+}
+.cool { color:"aaa, bbb"; }
+.span-17 { float:left; }
+.span-17 { width:660px; }
+.x {
+ float:left;
+ width:660px;
+}
+.hi pre { color:red; }
+.hi pre { color:blue; }
+.rad pre { color:red; }
+.rad pre { color:blue; }
+@page :left {
+ margin-left:4cm;
+}
+@page :right {
+ margin-left:3cm;
+}
+@page {
+ margin:2cm;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/mixin_functions.css b/mod/less/vendors/lessphp/tests/outputs/mixin_functions.css
new file mode 100644
index 000000000..91b61492e
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/mixin_functions.css
@@ -0,0 +1,14 @@
+body {
+ padding:2.0em;
+ color:red;
+ margin:10px;
+ height:12px;
+ border-bottom:1px solid green;
+}
+.skip_args {
+ margin:22px;
+ height:12px;
+ padding:10px 20px 30px 88px;
+ margin:4px 12px 2px 1px;
+ color:red;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/mixin_merging.css b/mod/less/vendors/lessphp/tests/outputs/mixin_merging.css
new file mode 100644
index 000000000..9ec360c21
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/mixin_merging.css
@@ -0,0 +1,42 @@
+#test1 div {
+ color:red;
+ height:10px;
+}
+#test1 p { height:10px; }
+#test2 b {
+ color:red;
+ width:1px;
+}
+#test2 a, #test2 i { width:1px; }
+#test3 a, #test3 i { width:1px; }
+#test3 b {
+ width:1px;
+ color:red;
+}
+#test4 a {
+ color:blue;
+ margin:1px;
+}
+#test4 div, #test4 html { color:blue; }
+#test5 img, #test5 strong {
+ padding:2px;
+ float:right;
+}
+#test6 div a, #test6 span a {
+ line-height:10px;
+ color:red;
+}
+#test7 div strong {
+ margin:1px;
+ color:red;
+}
+#test7 div b { color:red; }
+#test7 span strong, #test7 span b { color:red; }
+#test8 a i, #test8 b i {
+ background:red;
+ color:red;
+}
+#test8 a s, #test8 b s {
+ background:red;
+ color:blue;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/mixins.css b/mod/less/vendors/lessphp/tests/outputs/mixins.css
new file mode 100644
index 000000000..70a99003d
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/mixins.css
@@ -0,0 +1,50 @@
+.bold {
+ font-size:20px;
+ font-weight:bold;
+}
+body #window {
+ line-height:0;
+ border-radius:10px;
+ font-size:20px;
+ font-weight:bold;
+}
+#bundle .button {
+ display:block;
+ border:1px solid black;
+ background-color:grey;
+}
+#bundle .button:hover { background-color:white; }
+#header a {
+ color:orange;
+ display:block;
+ border:1px solid black;
+ background-color:grey;
+}
+#header a:hover { background-color:white; }
+div {
+ color:blue;
+ hello:world;
+}
+div b { color:blue; }
+body {
+ color:blue;
+ hello:world;
+}
+body b { color:blue; }
+.hello .world { color:blue; }
+.foobar { color:blue; }
+.eggs {
+ foo:1px 2px;
+ bar:1px 2px;
+ foo:100 land;
+ bar:100 land;
+}
+#hello { cool:one two three cool; }
+#hello-important { cool:one two three cool !important; }
+#world { cool:"world"; }
+#another {
+ things:red blue green;
+ things:red blue green skip me;
+}
+#day .cool { color:one two three; }
+#day .cool { color:one two three skip me; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/nested.css b/mod/less/vendors/lessphp/tests/outputs/nested.css
new file mode 100644
index 000000000..0845fb6ff
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/nested.css
@@ -0,0 +1,16 @@
+#header { color:black; }
+#header .navigation { font-size:12px; }
+#header .navigation .border .outside { color:blue; }
+#header .logo { width:300px; }
+#header .logo:hover { text-decoration:none; }
+a b ul li { color:green; }
+div .cool { color:green; }
+p .cool span { color:yellow; }
+div another { color:green; }
+p another span { color:yellow; }
+b .something { color:blue; }
+b.something { color:blue; }
+.foo .bar .qux, .foo .baz .qux { display:block; }
+.qux .foo .bar, .qux .foo .baz { display:inline; }
+.qux .foo .bar .biz, .qux .foo .baz .biz { display:none; }
+b hello [x="&yeah"] { color:red; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/nesting.css b/mod/less/vendors/lessphp/tests/outputs/nesting.css
new file mode 100644
index 000000000..908c1d814
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/nesting.css
@@ -0,0 +1,6 @@
+#header .navigation .border .outside { color:blue; }
+#header .navigation { font-size:12px; }
+#header .logo:hover { text-decoration:none; }
+#header .logo { width:300px; }
+#header { color:black; }
+a b ul li { color:green; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/pattern_matching.css b/mod/less/vendors/lessphp/tests/outputs/pattern_matching.css
new file mode 100644
index 000000000..f83ace15f
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/pattern_matching.css
@@ -0,0 +1,56 @@
+.class {
+ color:#a2a2a2;
+ display:block;
+}
+.zero {
+ zero:0;
+ one:1;
+ two:2;
+ three:3;
+}
+.one {
+ one:1;
+ one-req:1;
+ two:2;
+ three:3;
+}
+.two {
+ two:2;
+ three:3;
+}
+.three {
+ three-req:3;
+ three:3;
+}
+.left { left:1; }
+.right { right:1; }
+.border-right {
+ color:black;
+ border-right:4px;
+}
+.border-left {
+ color:black;
+ border-left:4px;
+}
+.only-right { right:33; }
+.only-left { left:33; }
+.left-right { both:330; }
+#hola { color:blue; }
+#defaults_1 {
+ height:one;
+ height:two;
+ height:three;
+ height:four;
+}
+.thing { color:red; }
+#aa {
+ color:green;
+ color:blue;
+ color:red;
+}
+#bb {
+ color:green;
+ color:blue;
+ color:red;
+}
+#cc { color:blue; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/scopes.css b/mod/less/vendors/lessphp/tests/outputs/scopes.css
new file mode 100644
index 000000000..23d1551ca
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/scopes.css
@@ -0,0 +1,7 @@
+body div other world { height:50; }
+div other world { height:50; }
+pre {
+ height:10;
+ height:11;
+ height:12;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/selector_expressions.css b/mod/less/vendors/lessphp/tests/outputs/selector_expressions.css
new file mode 100644
index 000000000..78dc4bb92
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/selector_expressions.css
@@ -0,0 +1,8 @@
+something blue, world { color:blue; }
+.div 3434 { height:100px; }
+.div cool red { height:4000px; }
+.span5 { color:15; }
+.span4 { color:14; }
+.span3 { color:13; }
+.span2 { color:12; }
+.span1 { color:11; } \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/site_demos.css b/mod/less/vendors/lessphp/tests/outputs/site_demos.css
new file mode 100644
index 000000000..2c853af4c
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/site_demos.css
@@ -0,0 +1,54 @@
+default .underline { border-bottom:1px solid green; }
+default #header {
+ color:black;
+ border:1px solid #d4d;
+}
+default #header .navigation { font-size:12px; }
+default #header .navigation a { border-bottom:1px solid green; }
+default #header .logo { width:300px; }
+default #header .logo:hover { text-decoration:none; }
+variables .variables {
+ width:14cm;
+ height:24px;
+ color:#888;
+ background:#6c94be;
+ font-family:"Trebuchet MS", Verdana, sans-serif;
+}
+mixins .bordered {
+ border-top:dotted 1px black;
+ border-bottom:solid 2px black;
+}
+mixins #menu a {
+ color:#111;
+ border-top:dotted 1px black;
+ border-bottom:solid 2px black;
+}
+mixins .post a {
+ color:red;
+ border-top:dotted 1px black;
+ border-bottom:solid 2px black;
+}
+nested-rules #header { color:black; }
+nested-rules #header .navigation { font-size:12px; }
+nested-rules #header .logo { width:300px; }
+nested-rules #header .logo:hover { text-decoration:none; }
+namespaces #bundle .button {
+ display:block;
+ border:1px solid black;
+ background-color:grey;
+}
+namespaces #bundle .button:hover { background-color:white; }
+namespaces #header a {
+ color:orange;
+ display:block;
+ border:1px solid black;
+ background-color:grey;
+}
+namespaces #header a:hover { background-color:white; }
+mixin-functions body {
+ padding:2.0em;
+ color:red;
+ margin:10px;
+ height:12px;
+ border-bottom:1px solid green;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/outputs/variables.css b/mod/less/vendors/lessphp/tests/outputs/variables.css
new file mode 100644
index 000000000..4c7e5e669
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/outputs/variables.css
@@ -0,0 +1,20 @@
+color:44px;
+color:44px;
+.variables {
+ width:14cm;
+ height:24px;
+ margin-top:-20px;
+ margin-bottom:30px;
+ color:#889;
+ background:#6c94be;
+ font-family:"Trebuchet MS", Verdana, sans-serif;
+ margin:3px;
+ font:10px/12px serif;
+ font:120%/120% serif;
+}
+.external {
+ color:#888;
+ border:1px solid #3326cc;
+ background:rgba(23,68,149,0.5);
+ padding:4px;
+} \ No newline at end of file
diff --git a/mod/less/vendors/lessphp/tests/sort.php b/mod/less/vendors/lessphp/tests/sort.php
new file mode 100644
index 000000000..38662cb24
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/sort.php
@@ -0,0 +1,57 @@
+<?php
+error_reporting(E_ALL);
+
+require realpath(dirname(__FILE__)).'/../lessc.inc.php';
+
+// sorts the selectors in stylesheet in order to normalize it for comparison
+
+$exe = array_shift($argv); // remove filename
+
+if (!$fname = array_shift($argv)) {
+ $fname = "php://stdin";
+}
+
+// also sorts the tags in the block
+function sort_key($block) {
+ if (!isset($block->sort_key)) {
+ sort($block->tags, SORT_STRING);
+ $block->sort_key = implode(",", $block->tags);
+ }
+
+ return $block->sort_key;
+}
+
+class sort_css extends lessc {
+ function __construct() {
+ parent::__construct();
+ }
+
+ // normalize numbers
+ function compileValue($value) {
+ $ignore = array('list', 'keyword', 'string', 'color', 'function');
+ if ($value[0] == 'number' || !in_array($value[0], $ignore)) {
+ $value[1] = $value[1] + 0; // convert to either double or int
+ }
+
+ return parent::compileValue($value);
+ }
+
+ function parse_and_sort($str) {
+ $root = $this->parseTree($str);
+
+ $less = $this;
+ usort($root->props, function($a, $b) use ($less) {
+
+ $sort = strcmp(sort_key($a[1]), sort_key($b[1]));
+ if ($sort == 0)
+ return strcmp($less->compileBlock($a[1]), $less->compileBlock($b[1]));
+ return $sort;
+ });
+
+ return $this->compileBlock($root);
+ }
+}
+
+$sorter = new sort_css;
+echo $sorter->parse_and_sort(file_get_contents($fname));
+
diff --git a/mod/less/vendors/lessphp/tests/test.php b/mod/less/vendors/lessphp/tests/test.php
new file mode 100644
index 000000000..629fe0153
--- /dev/null
+++ b/mod/less/vendors/lessphp/tests/test.php
@@ -0,0 +1,190 @@
+#!/usr/bin/env php
+<?php
+error_reporting(E_ALL);
+
+/**
+ * Go through all files matching pattern in input directory
+ * and compile them, then compare them to paired file in
+ * output directory.
+ */
+$difftool = 'diff -b -B -t -u';
+$input = array(
+ 'dir' => 'inputs',
+ 'glob' => '*.less',
+);
+
+$output = array(
+ 'dir' => 'outputs',
+ 'filename' => '%s.css',
+);
+
+
+$prefix = strtr(realpath(dirname(__FILE__)), '\\', '/');
+require $prefix.'/../lessc.inc.php';
+
+$compiler = new lessc();
+$compiler->importDir = array($input['dir'].'/test-imports');
+
+$fa = 'Fatal Error: ';
+if (php_sapi_name() != 'cli') {
+ exit($fa.$argv[0].' must be run in the command line.');
+}
+
+$opts = getopt('hCd::g');
+
+if ($opts === false || isset($opts['h'])) {
+ echo <<<EOT
+Usage: ./test.php [options] [searchstring]
+
+where [options] can be a mix of these:
+
+ -h Show this help message and exit.
+
+ -d=[difftool] Show the diff of the actual output vs. the reference when a
+ test fails; uses 'diff -b -B -t -u' by default.
+
+ The test is aborted after the first failure report, unless
+ you also specify the '-g' option ('go on').
+
+ -g Continue executing the other tests when a test fails and
+ option '-d' is active.
+
+ -C Regenerate ('compile') the reference output files from the
+ given inputs.
+
+ WARNING: ONLY USE THIS OPTION WHEN YOU HAVE ASCERTAINED
+ THAT lessphp PROCESSES ALL TESTS CORRECTLY!
+
+The optional [searchstring] is used to filter the input files: only tests
+which have filename(s) containing the specified searchstring will be
+executed. I.e. the corresponding glob pattern is '*[searchstring]*.less'.
+
+The script EXIT CODE is the number of failed tests (with a maximum of 255),
+0 on success and 1 when this help message is shown. This aids in integrating
+this script in larger (user defined) shell test scripts.
+
+
+Examples of use:
+
+- Test the full test set:
+ ./test.php
+
+- Run only the mixin tests:
+ ./test.php mixin
+
+- Use a custom diff tool to show diffs for failing tests
+ ./test.php -d=meld
+
+EOT;
+ exit(1);
+}
+
+$input['dir'] = $prefix.'/'.$input['dir'];
+$output['dir'] = $prefix.'/'.$output['dir'];
+if (!is_dir($input['dir']) || !is_dir($output['dir']))
+ exit($fa." both input and output directories must exist\n");
+
+$exe = array_shift($argv); // remove filename
+// get the first non flag as search string
+$searchString = null;
+foreach ($argv as $a) {
+ if (strlen($a) > 0 && $a{0} != '-') {
+ $searchString = $a;
+ break;
+ }
+}
+
+$tests = array();
+$matches = glob($input['dir'].'/'.(!is_null($searchString) ? '*'.$searchString : '' ).$input['glob']);
+if ($matches) {
+ foreach ($matches as $fname) {
+ extract(pathinfo($fname)); // for $filename, from php 5.2
+ $tests[] = array(
+ 'in' => $fname,
+ 'out' => $output['dir'].'/'.sprintf($output['filename'], $filename),
+ );
+ }
+}
+
+$count = count($tests);
+$compiling = isset($opts["C"]);
+$continue_when_test_fails = isset($opts["g"]);
+$showDiff = isset($opts["d"]);
+if ($showDiff && !empty($opts["d"])) {
+ $difftool = $opts["d"];
+}
+
+echo ($compiling ? "Compiling" : "Running")." $count test".($count == 1 ? '' : 's').":\n";
+
+function dump($msgs, $depth = 1, $prefix=" ") {
+ if (!is_array($msgs)) $msgs = array($msgs);
+ foreach ($msgs as $m) {
+ echo str_repeat($prefix, $depth).' - '.$m."\n";
+ }
+}
+
+$fail_prefix = " ** ";
+
+$fail_count = 0;
+$i = 1;
+foreach ($tests as $test) {
+ printf(" [Test %04d/%04d] %s -> %s\n", $i, $count, basename($test['in']), basename($test['out']));
+
+ try {
+ ob_start();
+ $parsed = trim($compiler->parse(file_get_contents($test['in'])));
+ ob_end_clean();
+ } catch (exception $e) {
+ dump(array(
+ "Failed to compile input, reason:",
+ $e->getMessage(),
+ "Aborting"
+ ), 1, $fail_prefix);
+ break;
+ }
+
+ if ($compiling) {
+ file_put_contents($test['out'], $parsed);
+ } else {
+ if (!is_file($test['out'])) {
+ dump(array(
+ "Failed to find output file: $test[out]",
+ "Maybe you forgot to compile tests?",
+ "Aborting"
+ ), 1, $fail_prefix);
+ break;
+ }
+ $expected = trim(file_get_contents($test['out']));
+
+ // don't care about CRLF vs LF change (DOS/Win vs. UNIX):
+ $expected = trim(str_replace("\r\n", "\n", $expected));
+ $parsed = trim(str_replace("\r\n", "\n", $parsed));
+
+ if ($expected != $parsed) {
+ $fail_count++;
+ if ($showDiff) {
+ dump("Failed:", 1, $fail_prefix);
+ $tmp = $test['out'].".tmp";
+ file_put_contents($tmp, $parsed);
+ system($difftool.' '.$test['out'].' '.$tmp);
+ unlink($tmp);
+
+ if (!$continue_when_test_fails) {
+ dump("Aborting");
+ break;
+ } else {
+ echo "===========================================================================\n";
+ }
+ } else {
+ dump("Failed, run with -d flag to view diff", 1, $fail_prefix);
+ }
+ } else {
+ dump("Passed");
+ }
+ }
+
+ $i++;
+}
+
+exit($fail_count > 255 ? 255 : $fail_count);
+?>