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author | 2008-11-13 09:49:11 +0000 | |
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committer | 2008-11-13 09:49:11 +0000 | |
commit | e44a7e37b6c7b5961adaffc62b9042b8d442938e (patch) | |
tree | 95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojo/regexp.js | |
parent | a62b9742ee5e28bcec6872d88f50f25b820914f6 (diff) | |
download | scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.zip |
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
Diffstat (limited to 'includes/js/dojo/regexp.js')
-rw-r--r-- | includes/js/dojo/regexp.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/includes/js/dojo/regexp.js b/includes/js/dojo/regexp.js new file mode 100644 index 0000000..302a5b4 --- /dev/null +++ b/includes/js/dojo/regexp.js @@ -0,0 +1,69 @@ +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 +} + +} |