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authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojo/regexp.js
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadsemanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
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New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
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+if(!dojo._hasResource["dojo.regexp"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.regexp"] = true;
+dojo.provide("dojo.regexp");
+
+/*=====
+dojo.regexp = {
+ // summary: Regular expressions and Builder resources
+};
+=====*/
+
+dojo.regexp.escapeString = function(/*String*/str, /*String?*/except){
+ // summary:
+ // Adds escape sequences for special characters in regular expressions
+ // except:
+ // a String with special characters to be left unescaped
+
+// return str.replace(/([\f\b\n\t\r[\^$|?*+(){}])/gm, "\\$1"); // string
+ return str.replace(/([\.$?*!=:|{}\(\)\[\]\\\/^])/g, function(ch){
+ if(except && except.indexOf(ch) != -1){
+ return ch;
+ }
+ return "\\" + ch;
+ }); // String
+}
+
+dojo.regexp.buildGroupRE = function(/*Object|Array*/arr, /*Function*/re, /*Boolean?*/nonCapture){
+ // summary:
+ // Builds a regular expression that groups subexpressions
+ // description:
+ // A utility function used by some of the RE generators. The
+ // subexpressions are constructed by the function, re, in the second
+ // parameter. re builds one subexpression for each elem in the array
+ // a, in the first parameter. Returns a string for a regular
+ // expression that groups all the subexpressions.
+ // arr:
+ // A single value or an array of values.
+ // re:
+ // A function. Takes one parameter and converts it to a regular
+ // expression.
+ // nonCapture:
+ // If true, uses non-capturing match, otherwise matches are retained
+ // by regular expression. Defaults to false
+
+ // case 1: a is a single value.
+ if(!(arr instanceof Array)){
+ return re(arr); // String
+ }
+
+ // case 2: a is an array
+ var b = [];
+ for(var i = 0; i < arr.length; i++){
+ // convert each elem to a RE
+ b.push(re(arr[i]));
+ }
+
+ // join the REs as alternatives in a RE group.
+ return dojo.regexp.group(b.join("|"), nonCapture); // String
+}
+
+dojo.regexp.group = function(/*String*/expression, /*Boolean?*/nonCapture){
+ // summary:
+ // adds group match to expression
+ // nonCapture:
+ // If true, uses non-capturing match, otherwise matches are retained
+ // by regular expression.
+ return "(" + (nonCapture ? "?:":"") + expression + ")"; // String
+}
+
+}