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

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
+}
+
+}