Rename lib/dokuwiki to vendors/dokuwiki

1 files changed, 956 insertions, 0 deletions

diff --git a/vendors/dokuwiki/inc/parser/parser.php b/vendors/dokuwiki/inc/parser/parser.php
new file mode 100644
index 000000000..a78b08a29
--- /dev/null
+++ b/vendors/dokuwiki/inc/parser/parser.php
@@ -0,0 +1,956 @@
+<?php
+if(!defined('DOKU_INC')) die('meh.');
+require_once DOKU_INC . 'inc/parser/lexer.php';
+require_once DOKU_INC . 'inc/parser/handler.php';
+
+
+/**
+ * Define various types of modes used by the parser - they are used to
+ * populate the list of modes another mode accepts
+ */
+global $PARSER_MODES;
+$PARSER_MODES = array(
+    // containers are complex modes that can contain many other modes
+    // hr breaks the principle but they shouldn't be used in tables / lists
+    // so they are put here
+    'container'    => array('listblock','table','quote','hr'),
+
+    // some mode are allowed inside the base mode only
+    'baseonly'     => array('header'),
+
+    // modes for styling text -- footnote behaves similar to styling
+    'formatting'   => array('strong', 'emphasis', 'underline', 'monospace',
+                            'subscript', 'superscript', 'deleted', 'footnote'),
+
+    // modes where the token is simply replaced - they can not contain any
+    // other modes
+    'substition'   => array('acronym','smiley','wordblock','entity',
+                            'camelcaselink', 'internallink','media',
+                            'externallink','linebreak','emaillink',
+                            'windowssharelink','filelink','notoc',
+                            'nocache','multiplyentity','quotes','rss'),
+
+    // modes which have a start and end token but inside which
+    // no other modes should be applied
+    'protected'    => array('preformatted','code','file','php','html','htmlblock','phpblock'),
+
+    // inside this mode no wiki markup should be applied but lineendings
+    // and whitespace isn't preserved
+    'disabled'     => array('unformatted'),
+
+    // used to mark paragraph boundaries
+    'paragraphs'   => array('eol')
+);
+
+//-------------------------------------------------------------------
+
+/**
+* Sets up the Lexer with modes and points it to the Handler
+* For an intro to the Lexer see: wiki:parser
+*/
+class Doku_Parser {
+
+    var $Handler;
+
+    var $Lexer;
+
+    var $modes = array();
+
+    var $connected = false;
+
+    function addBaseMode(& $BaseMode) {
+        $this->modes['base'] = & $BaseMode;
+        if ( !$this->Lexer ) {
+            $this->Lexer = & new Doku_Lexer($this->Handler,'base', true);
+        }
+        $this->modes['base']->Lexer = & $this->Lexer;
+    }
+
+    /**
+    * PHP preserves order of associative elements
+    * Mode sequence is important
+    */
+    function addMode($name, & $Mode) {
+        if ( !isset($this->modes['base']) ) {
+            $this->addBaseMode(new Doku_Parser_Mode_base());
+        }
+        $Mode->Lexer = & $this->Lexer;
+        $this->modes[$name] = & $Mode;
+    }
+
+    function connectModes() {
+
+        if ( $this->connected ) {
+            return;
+        }
+
+        foreach ( array_keys($this->modes) as $mode ) {
+
+            // Base isn't connected to anything
+            if ( $mode == 'base' ) {
+                continue;
+            }
+
+            $this->modes[$mode]->preConnect();
+
+            foreach ( array_keys($this->modes) as $cm ) {
+
+                if ( $this->modes[$cm]->accepts($mode) ) {
+                    $this->modes[$mode]->connectTo($cm);
+                }
+
+            }
+
+            $this->modes[$mode]->postConnect();
+        }
+
+        $this->connected = true;
+    }
+
+    function parse($doc) {
+        if ( $this->Lexer ) {
+            $this->connectModes();
+            // Normalize CRs and pad doc
+            $doc = "\n".str_replace("\r\n","\n",$doc)."\n";
+            $this->Lexer->parse($doc);
+            $this->Handler->_finalize();
+            return $this->Handler->calls;
+        } else {
+            return false;
+        }
+    }
+
+}
+
+//-------------------------------------------------------------------
+/**
+ * This class and all the subclasses below are
+ * used to reduce the effort required to register
+ * modes with the Lexer. For performance these
+ * could all be eliminated later perhaps, or
+ * the Parser could be serialized to a file once
+ * all modes are registered
+ *
+ * @author Harry Fuecks <hfuecks@gmail.com>
+*/
+class Doku_Parser_Mode {
+
+    var $Lexer;
+
+    var $allowedModes = array();
+
+    // returns a number used to determine in which order modes are added
+    function getSort() {
+        trigger_error('getSort() not implemented in '.get_class($this), E_USER_WARNING);
+    }
+
+    // Called before any calls to connectTo
+    function preConnect() {}
+
+    // Connects the mode
+    function connectTo($mode) {}
+
+    // Called after all calls to connectTo
+    function postConnect() {}
+
+    function accepts($mode) {
+        return in_array($mode, (array) $this->allowedModes );
+    }
+
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_base extends Doku_Parser_Mode {
+
+    function Doku_Parser_Mode_base() {
+        global $PARSER_MODES;
+
+        $this->allowedModes = array_merge (
+                $PARSER_MODES['container'],
+                $PARSER_MODES['baseonly'],
+                $PARSER_MODES['paragraphs'],
+                $PARSER_MODES['formatting'],
+                $PARSER_MODES['substition'],
+                $PARSER_MODES['protected'],
+                $PARSER_MODES['disabled']
+            );
+    }
+
+    function getSort() {
+        return 0;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_footnote extends Doku_Parser_Mode {
+
+    function Doku_Parser_Mode_footnote() {
+        global $PARSER_MODES;
+
+        $this->allowedModes = array_merge (
+                $PARSER_MODES['container'],
+                $PARSER_MODES['formatting'],
+                $PARSER_MODES['substition'],
+                $PARSER_MODES['protected'],
+                $PARSER_MODES['disabled']
+            );
+
+        unset($this->allowedModes[array_search('footnote', $this->allowedModes)]);
+    }
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern(
+            '\x28\x28(?=.*\x29\x29)',$mode,'footnote'
+            );
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern(
+            '\x29\x29','footnote'
+            );
+    }
+
+    function getSort() {
+        return 150;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_header extends Doku_Parser_Mode {
+
+    function preConnect() {
+        //we're not picky about the closing ones, two are enough
+        $this->Lexer->addSpecialPattern(
+                            '[ \t]*={2,}[^\n]+={2,}[ \t]*(?=\n)',
+                            'base',
+                            'header'
+                        );
+    }
+
+    function getSort() {
+        return 50;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_notoc extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern('~~NOTOC~~',$mode,'notoc');
+    }
+
+    function getSort() {
+        return 30;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_nocache extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern('~~NOCACHE~~',$mode,'nocache');
+    }
+
+    function getSort() {
+        return 40;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_linebreak extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern('\x5C{2}(?:[ \t]|(?=\n))',$mode,'linebreak');
+    }
+
+    function getSort() {
+        return 140;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_eol extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $badModes = array('listblock','table');
+        if ( in_array($mode, $badModes) ) {
+            return;
+        }
+        // see FS#1652, pattern extended to swallow preceding whitespace to avoid issues with lines that only contain whitespace
+        $this->Lexer->addSpecialPattern('(?:^[ \t]*)?\n',$mode,'eol');
+    }
+
+    function getSort() {
+        return 370;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_hr extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern('\n[ \t]*-{4,}[ \t]*(?=\n)',$mode,'hr');
+    }
+
+    function getSort() {
+        return 160;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_formatting extends Doku_Parser_Mode {
+    var $type;
+
+    var $formatting = array (
+        'strong' => array (
+            'entry'=>'\*\*(?=.*\*\*)',
+            'exit'=>'\*\*',
+            'sort'=>70
+            ),
+
+        'emphasis'=> array (
+            'entry'=>'//(?=[^\x00]*[^:])', //hack for bugs #384 #763 #1468
+            'exit'=>'//',
+            'sort'=>80
+            ),
+
+        'underline'=> array (
+            'entry'=>'__(?=.*__)',
+            'exit'=>'__',
+            'sort'=>90
+            ),
+
+        'monospace'=> array (
+            'entry'=>'\x27\x27(?=.*\x27\x27)',
+            'exit'=>'\x27\x27',
+            'sort'=>100
+            ),
+
+        'subscript'=> array (
+            'entry'=>'<sub>(?=.*</sub>)',
+            'exit'=>'</sub>',
+            'sort'=>110
+            ),
+
+        'superscript'=> array (
+            'entry'=>'<sup>(?=.*</sup>)',
+            'exit'=>'</sup>',
+            'sort'=>120
+            ),
+
+        'deleted'=> array (
+            'entry'=>'<del>(?=.*</del>)',
+            'exit'=>'</del>',
+            'sort'=>130
+            ),
+        );
+
+    function Doku_Parser_Mode_formatting($type) {
+        global $PARSER_MODES;
+
+        if ( !array_key_exists($type, $this->formatting) ) {
+            trigger_error('Invalid formatting type '.$type, E_USER_WARNING);
+        }
+
+        $this->type = $type;
+
+        // formatting may contain other formatting but not it self
+        $modes = $PARSER_MODES['formatting'];
+        $key = array_search($type, $modes);
+        if ( is_int($key) ) {
+            unset($modes[$key]);
+        }
+
+        $this->allowedModes = array_merge (
+                $modes,
+                $PARSER_MODES['substition'],
+                $PARSER_MODES['disabled']
+            );
+    }
+
+    function connectTo($mode) {
+
+        // Can't nest formatting in itself
+        if ( $mode == $this->type ) {
+            return;
+        }
+
+        $this->Lexer->addEntryPattern(
+                $this->formatting[$this->type]['entry'],
+                $mode,
+                $this->type
+            );
+    }
+
+    function postConnect() {
+
+        $this->Lexer->addExitPattern(
+            $this->formatting[$this->type]['exit'],
+            $this->type
+            );
+
+    }
+
+    function getSort() {
+        return $this->formatting[$this->type]['sort'];
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_listblock extends Doku_Parser_Mode {
+
+    function Doku_Parser_Mode_listblock() {
+        global $PARSER_MODES;
+
+        $this->allowedModes = array_merge (
+                $PARSER_MODES['formatting'],
+                $PARSER_MODES['substition'],
+                $PARSER_MODES['disabled'],
+                $PARSER_MODES['protected'] #XXX new
+            );
+
+    //    $this->allowedModes[] = 'footnote';
+    }
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('\n {2,}[\-\*]',$mode,'listblock');
+        $this->Lexer->addEntryPattern('\n\t{1,}[\-\*]',$mode,'listblock');
+
+        $this->Lexer->addPattern('\n {2,}[\-\*]','listblock');
+        $this->Lexer->addPattern('\n\t{1,}[\-\*]','listblock');
+
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern('\n','listblock');
+    }
+
+    function getSort() {
+        return 10;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_table extends Doku_Parser_Mode {
+
+    function Doku_Parser_Mode_table() {
+        global $PARSER_MODES;
+
+        $this->allowedModes = array_merge (
+                $PARSER_MODES['formatting'],
+                $PARSER_MODES['substition'],
+                $PARSER_MODES['disabled'],
+                $PARSER_MODES['protected']
+            );
+    }
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('\n\^',$mode,'table');
+        $this->Lexer->addEntryPattern('\n\|',$mode,'table');
+    }
+
+    function postConnect() {
+        $this->Lexer->addPattern('\n\^','table');
+        $this->Lexer->addPattern('\n\|','table');
+        $this->Lexer->addPattern('[\t ]*:::[\t ]*(?=[\|\^])','table');
+        $this->Lexer->addPattern('[\t ]+','table');
+        $this->Lexer->addPattern('\^','table');
+        $this->Lexer->addPattern('\|','table');
+        $this->Lexer->addExitPattern('\n','table');
+    }
+
+    function getSort() {
+        return 60;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_unformatted extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('<nowiki>(?=.*</nowiki>)',$mode,'unformatted');
+        $this->Lexer->addEntryPattern('%%(?=.*%%)',$mode,'unformattedalt');
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern('</nowiki>','unformatted');
+        $this->Lexer->addExitPattern('%%','unformattedalt');
+        $this->Lexer->mapHandler('unformattedalt','unformatted');
+    }
+
+    function getSort() {
+        return 170;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_php extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('<php>(?=.*</php>)',$mode,'php');
+        $this->Lexer->addEntryPattern('<PHP>(?=.*</PHP>)',$mode,'phpblock');
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern('</php>','php');
+        $this->Lexer->addExitPattern('</PHP>','phpblock');
+    }
+
+    function getSort() {
+        return 180;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_html extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('<html>(?=.*</html>)',$mode,'html');
+        $this->Lexer->addEntryPattern('<HTML>(?=.*</HTML>)',$mode,'htmlblock');
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern('</html>','html');
+        $this->Lexer->addExitPattern('</HTML>','htmlblock');
+    }
+
+    function getSort() {
+        return 190;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_preformatted extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        // Has hard coded awareness of lists...
+        $this->Lexer->addEntryPattern('\n  (?![\*\-])',$mode,'preformatted');
+        $this->Lexer->addEntryPattern('\n\t(?![\*\-])',$mode,'preformatted');
+
+        // How to effect a sub pattern with the Lexer!
+        $this->Lexer->addPattern('\n  ','preformatted');
+        $this->Lexer->addPattern('\n\t','preformatted');
+
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern('\n','preformatted');
+    }
+
+    function getSort() {
+        return 20;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_code extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('<code(?=.*</code>)',$mode,'code');
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern('</code>','code');
+    }
+
+    function getSort() {
+        return 200;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_file extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('<file(?=.*</file>)',$mode,'file');
+    }
+
+    function postConnect() {
+        $this->Lexer->addExitPattern('</file>','file');
+    }
+
+    function getSort() {
+        return 210;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_quote extends Doku_Parser_Mode {
+
+    function Doku_Parser_Mode_quote() {
+        global $PARSER_MODES;
+
+        $this->allowedModes = array_merge (
+                $PARSER_MODES['formatting'],
+                $PARSER_MODES['substition'],
+                $PARSER_MODES['disabled'],
+                $PARSER_MODES['protected'] #XXX new
+            );
+            #$this->allowedModes[] = 'footnote';
+            #$this->allowedModes[] = 'preformatted';
+            #$this->allowedModes[] = 'unformatted';
+    }
+
+    function connectTo($mode) {
+        $this->Lexer->addEntryPattern('\n>{1,}',$mode,'quote');
+    }
+
+    function postConnect() {
+        $this->Lexer->addPattern('\n>{1,}','quote');
+        $this->Lexer->addExitPattern('\n','quote');
+    }
+
+    function getSort() {
+        return 220;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_acronym extends Doku_Parser_Mode {
+    // A list
+    var $acronyms = array();
+    var $pattern = '';
+
+    function Doku_Parser_Mode_acronym($acronyms) {
+    	usort($acronyms,array($this,'_compare'));
+        $this->acronyms = $acronyms;
+    }
+
+    function preConnect() {
+        if(!count($this->acronyms)) return;
+
+        $bound = '[\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]';
+        $acronyms = array_map('Doku_Lexer_Escape',$this->acronyms);
+        $this->pattern = '(?<=^|'.$bound.')(?:'.join('|',$acronyms).')(?='.$bound.')';
+    }
+
+    function connectTo($mode) {
+        if(!count($this->acronyms)) return;
+
+        if ( strlen($this->pattern) > 0 ) {
+            $this->Lexer->addSpecialPattern($this->pattern,$mode,'acronym');
+        }
+    }
+
+    function getSort() {
+        return 240;
+    }
+
+    /**
+     * sort callback to order by string length descending
+     */
+    function _compare($a,$b) {
+        $a_len = strlen($a);
+        $b_len = strlen($b);
+        if ($a_len > $b_len) {
+          return -1;
+        } else if ($a_len < $b_len) {
+          return 1;
+        }
+
+    	return 0;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_smiley extends Doku_Parser_Mode {
+    // A list
+    var $smileys = array();
+    var $pattern = '';
+
+    function Doku_Parser_Mode_smiley($smileys) {
+        $this->smileys = $smileys;
+    }
+
+    function preConnect() {
+        if(!count($this->smileys) || $this->pattern != '') return;
+
+        $sep = '';
+        foreach ( $this->smileys as $smiley ) {
+            $this->pattern .= $sep.'(?<=\W|^)'.Doku_Lexer_Escape($smiley).'(?=\W|$)';
+            $sep = '|';
+        }
+    }
+
+    function connectTo($mode) {
+        if(!count($this->smileys)) return;
+
+        if ( strlen($this->pattern) > 0 ) {
+            $this->Lexer->addSpecialPattern($this->pattern,$mode,'smiley');
+        }
+    }
+
+    function getSort() {
+        return 230;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_wordblock extends Doku_Parser_Mode {
+    // A list
+    var $badwords = array();
+    var $pattern = '';
+
+    function Doku_Parser_Mode_wordblock($badwords) {
+        $this->badwords = $badwords;
+    }
+
+    function preConnect() {
+
+        if ( count($this->badwords) == 0 || $this->pattern != '') {
+            return;
+        }
+
+        $sep = '';
+        foreach ( $this->badwords as $badword ) {
+            $this->pattern .= $sep.'(?<=\b)(?i)'.Doku_Lexer_Escape($badword).'(?-i)(?=\b)';
+            $sep = '|';
+        }
+
+    }
+
+    function connectTo($mode) {
+        if ( strlen($this->pattern) > 0 ) {
+            $this->Lexer->addSpecialPattern($this->pattern,$mode,'wordblock');
+        }
+    }
+
+    function getSort() {
+        return 250;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_entity extends Doku_Parser_Mode {
+    // A list
+    var $entities = array();
+    var $pattern = '';
+
+    function Doku_Parser_Mode_entity($entities) {
+        $this->entities = $entities;
+    }
+
+    function preConnect() {
+        if(!count($this->entities) || $this->pattern != '') return;
+
+        $sep = '';
+        foreach ( $this->entities as $entity ) {
+            $this->pattern .= $sep.Doku_Lexer_Escape($entity);
+            $sep = '|';
+        }
+    }
+
+    function connectTo($mode) {
+        if(!count($this->entities)) return;
+
+        if ( strlen($this->pattern) > 0 ) {
+            $this->Lexer->addSpecialPattern($this->pattern,$mode,'entity');
+        }
+    }
+
+    function getSort() {
+        return 260;
+    }
+}
+
+//-------------------------------------------------------------------
+// Implements the 640x480 replacement
+class Doku_Parser_Mode_multiplyentity extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+
+        $this->Lexer->addSpecialPattern(
+                    '(?<=\b)(?:[1-9]|\d{2,})[xX]\d+(?=\b)',$mode,'multiplyentity'
+                );
+
+    }
+
+    function getSort() {
+        return 270;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_quotes extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        global $conf;
+
+        $ws   =  '\s/\#~:+=&%@\-\x28\x29\]\[{}><"\'';   // whitespace
+        $punc =  ';,\.?!';
+
+        if($conf['typography'] == 2){
+            $this->Lexer->addSpecialPattern(
+                        "(?<=^|[$ws])'(?=[^$ws$punc])",$mode,'singlequoteopening'
+                    );
+            $this->Lexer->addSpecialPattern(
+                        "(?<=^|[^$ws]|[$punc])'(?=$|[$ws$punc])",$mode,'singlequoteclosing'
+                    );
+            $this->Lexer->addSpecialPattern(
+                        "(?<=^|[^$ws$punc])'(?=$|[^$ws$punc])",$mode,'apostrophe'
+                    );
+        }
+
+        $this->Lexer->addSpecialPattern(
+                    "(?<=^|[$ws])\"(?=[^$ws$punc])",$mode,'doublequoteopening'
+                );
+        $this->Lexer->addSpecialPattern(
+                    "\"",$mode,'doublequoteclosing'
+                );
+
+
+    }
+
+    function getSort() {
+        return 280;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_camelcaselink extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern(
+                '\b[A-Z]+[a-z]+[A-Z][A-Za-z]*\b',$mode,'camelcaselink'
+            );
+    }
+
+    function getSort() {
+        return 290;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_internallink extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        // Word boundaries?
+        $this->Lexer->addSpecialPattern("\[\[.+?\]\]",$mode,'internallink');
+    }
+
+    function getSort() {
+        return 300;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_media extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        // Word boundaries?
+        $this->Lexer->addSpecialPattern("\{\{[^\}]+\}\}",$mode,'media');
+    }
+
+    function getSort() {
+        return 320;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_rss extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern("\{\{rss>[^\}]+\}\}",$mode,'rss');
+    }
+
+    function getSort() {
+        return 310;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_externallink extends Doku_Parser_Mode {
+    var $schemes = array();
+    var $patterns = array();
+
+    function preConnect() {
+        if(count($this->patterns)) return;
+
+        $ltrs = '\w';
+        $gunk = '/\#~:.?+=&%@!\-';
+        $punc = '.:?\-;,';
+        $host = $ltrs.$punc;
+        $any  = $ltrs.$gunk.$punc;
+
+        $this->schemes = getSchemes();
+        foreach ( $this->schemes as $scheme ) {
+            $this->patterns[] = '\b(?i)'.$scheme.'(?-i)://['.$any.']+?(?=['.$punc.']*[^'.$any.'])';
+        }
+
+        $this->patterns[] = '\b(?i)www?(?-i)\.['.$host.']+?\.['.$host.']+?['.$any.']+?(?=['.$punc.']*[^'.$any.'])';
+        $this->patterns[] = '\b(?i)ftp?(?-i)\.['.$host.']+?\.['.$host.']+?['.$any.']+?(?=['.$punc.']*[^'.$any.'])';
+    }
+
+    function connectTo($mode) {
+
+        foreach ( $this->patterns as $pattern ) {
+            $this->Lexer->addSpecialPattern($pattern,$mode,'externallink');
+        }
+    }
+
+    function getSort() {
+        return 330;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_filelink extends Doku_Parser_Mode {
+
+    var $pattern;
+
+    function preConnect() {
+
+        $ltrs = '\w';
+        $gunk = '/\#~:.?+=&%@!\-';
+        $punc = '.:?\-;,';
+        $host = $ltrs.$punc;
+        $any  = $ltrs.$gunk.$punc;
+
+        $this->pattern = '\b(?i)file(?-i)://['.$any.']+?['.
+            $punc.']*[^'.$any.']';
+    }
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern(
+            $this->pattern,$mode,'filelink');
+    }
+
+    function getSort() {
+        return 360;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_windowssharelink extends Doku_Parser_Mode {
+
+    var $pattern;
+
+    function preConnect() {
+        $this->pattern = "\\\\\\\\\w+?(?:\\\\[\w$]+)+";
+    }
+
+    function connectTo($mode) {
+        $this->Lexer->addSpecialPattern(
+            $this->pattern,$mode,'windowssharelink');
+    }
+
+    function getSort() {
+        return 350;
+    }
+}
+
+//-------------------------------------------------------------------
+class Doku_Parser_Mode_emaillink extends Doku_Parser_Mode {
+
+    function connectTo($mode) {
+        // pattern below is defined in inc/mail.php
+        $this->Lexer->addSpecialPattern('<'.PREG_PATTERN_VALID_EMAIL.'>',$mode,'emaillink');
+    }
+
+    function getSort() {
+        return 340;
+    }
+}
+
+
+//Setup VIM: ex: et ts=4 enc=utf-8 :