flymis/WebRoot/dojojs/src/regexp.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.regexp");
dojo.evalObjPath("dojo.regexp.us", true);	// this file also defines stuff in the dojo.regexp.us module (TODO: move to separate file?)

// *** Regular Expression Generators ***

dojo.regexp.tld = function(/*Object?*/flags){
	// summary: Builds a RE that matches a top-level domain
	//
	// flags:
	//    flags.allowCC  Include 2 letter country code domains.  Default is true.
	//    flags.allowGeneric  Include the generic domains.  Default is true.
	//    flags.allowInfra  Include infrastructure domains.  Default is true.

	// assign default values to missing paramters
	flags = (typeof flags == "object") ? flags : {};
	if(typeof flags.allowCC != "boolean"){ flags.allowCC = true; }
	if(typeof flags.allowInfra != "boolean"){ flags.allowInfra = true; }
	if(typeof flags.allowGeneric != "boolean"){ flags.allowGeneric = true; }

	// Infrastructure top-level domain - only one at present
	var infraRE = "arpa";

	// Generic top-level domains RE.
	var genericRE = 
		"aero|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|pro|travel|xxx|jobs|mobi|post";
	
	// Country Code top-level domains RE
	var ccRE = 
		"ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|" +
		"bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|" +
		"ec|ee|eg|er|es|et|fi|fj|fk|fm|fo|fr|ga|gd|ge|gf|gg|gh|gi|gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|" +
		"hk|hm|hn|hr|ht|hu|id|ie|il|im|in|io|ir|is|it|je|jm|jo|jp|ke|kg|kh|ki|km|kn|kr|kw|ky|kz|la|" +
		"lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|mv|mw|mx|my|" +
		"mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|ps|pt|pw|py|qa|re|" +
		"ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sk|sl|sm|sn|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|" +
		"to|tr|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw";

	// Build top-level domain RE
	var a = [];
	if(flags.allowInfra){ a.push(infraRE); }
	if(flags.allowGeneric){ a.push(genericRE); }
	if(flags.allowCC){ a.push(ccRE); }

	var tldRE = "";
	if (a.length > 0) {
		tldRE = "(" + a.join("|") + ")";
	}

	return tldRE; // String
}