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txEXSLTRegExFunctions.js
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2006-12-21
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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Peter Van der Beken.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Peter Van der Beken <peterv@propagandism.org>
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const EXSLT_REGEXP_CONTRACTID = "@mozilla.org/exslt/regexp;1";
const EXSLT_REGEXP_CID = Components.ID("{18a03189-067b-4978-b4f1-bafe35292ed6}");
const EXSLT_REGEXP_NS = "http://exslt.org/regular-expressions";
const EXSLT_REGEXP_DESC = "EXSLT RegExp extension functions"
const XSLT_EXTENSIONS_CAT = "XSLT extension functions";
const CATMAN_CONTRACTID = "@mozilla.org/categorymanager;1";
const NODESET_CONTRACTID = "@mozilla.org/transformiix-nodeset;1";
const Ci = Components.interfaces;
function txEXSLTRegExFunctions()
{
}
txEXSLTRegExFunctions.prototype = {
QueryInterface: function(iid) {
if (iid.equals(Ci.nsISupports) ||
iid.equals(Ci.txIEXSLTRegExFunctions))
return this;
if (iid.equals(Ci.nsIClassInfo))
return txEXSLTRegExModule.factory
throw Components.results.NS_ERROR_NO_INTERFACE;
},
match: function(context, str, regex, flags) {
var nodeset = Components.classes[NODESET_CONTRACTID]
.createInstance(Ci.txINodeSet);
var re = new RegExp(regex, flags);
var matches = str.match(re);
if (matches != null && matches.length > 0) {
var doc = context.contextNode.ownerDocument;
var docFrag = doc.createDocumentFragment();
for (var i = 0; i < matches.length; ++i) {
var match = matches[i];
var elem = doc.createElementNS(null, "match");
var text = doc.createTextNode(match ? match : '');
elem.appendChild(text);
docFrag.appendChild(elem);
nodeset.add(elem);
}
}
return nodeset;
},
replace: function(str, regex, flags, replace) {
var re = new RegExp(regex, flags);
return str.replace(re, replace);
},
test: function(str, regex, flags) {
var re = new RegExp(regex, flags);
return re.test(str);
}
}
var SingletonInstance = null;
var txEXSLTRegExModule = {
registerSelf: function(compMgr, fileSpec, location, type) {
compMgr = compMgr.QueryInterface(Ci.nsIComponentRegistrar);
compMgr.registerFactoryLocation(EXSLT_REGEXP_CID, EXSLT_REGEXP_DESC,
EXSLT_REGEXP_CONTRACTID, fileSpec,
location, type);
var catman = Components.classes[CATMAN_CONTRACTID]
.getService(Ci.nsICategoryManager);
catman.addCategoryEntry(XSLT_EXTENSIONS_CAT, EXSLT_REGEXP_NS,
EXSLT_REGEXP_CONTRACTID, true, true);
},
unregisterSelf: function(compMgr, location, loaderStr) {
compMgr = compMgr.QueryInterface(Ci.nsIComponentRegistrar);
compMgr.unregisterFactoryLocation(EXSLT_REGEXP_CID, location);
var catman = Components.classes[CATMAN_CONTRACTID]
.getService(Ci.nsICategoryManager);
catman.deleteCategoryEntry(XSLT_EXTENSIONS_CAT, EXSLT_REGEXP_NS, true);
},
getClassObject: function(compMgr, cid, iid) {
if (!cid.equals(EXSLT_REGEXP_CID))
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
if (!iid.equals(Ci.nsIFactory) &&
!iid.equals(Ci.nsIClassInfo))
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
return this.factory;
},
factory: {
QueryInterface: function(iid) {
if (iid.equals(Ci.nsISupports) ||
iid.equals(Ci.nsIFactory) ||
iid.equals(Ci.nsIClassInfo))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
createInstance: function(outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
if (SingletonInstance == null)
SingletonInstance = new txEXSLTRegExFunctions();
return SingletonInstance.QueryInterface(iid);
},
getInterfaces: function(countRef) {
var interfaces = [
Ci.txIEXSLTRegExFunctions
];
countRef.value = interfaces.length;
return interfaces;
},
getHelperForLanguage: function(language) {
return null;
},
contractID: EXSLT_REGEXP_CONTRACTID,
classDescription: EXSLT_REGEXP_DESC,
classID: EXSLT_REGEXP_CID,
implementationLanguage: Ci.nsIProgrammingLanguage.JAVASCRIPT,
flags: Ci.nsIClassInfo.SINGLETON
},
canUnload: function(compMgr) {
return true;
}
};
function NSGetModule(compMgr, fileSpec) {
return txEXSLTRegExModule;
}