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munger.js
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Text File
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2000-06-15
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5KB
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143 lines
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 JSIRC Test Client #3
*
* The Initial Developer of the Original Code is New Dimensions Consulting,
* Inc. Portions created by New Dimensions Consulting, Inc. are
* Copyright (C) 1999 New Dimenstions Consulting, Inc. All
* Rights Reserved.
*
* Contributor(s):
*
*
* Contributor(s):
* Robert Ginda, rginda@ndcico.com, original author
*/
function CMungerEntry (name, regex, className, tagName)
{
this.name = name;
this.tagName = (tagName) ? tagName : "html:span";
if (regex instanceof RegExp)
this.regex = regex;
else
this.lambdaMatch = regex;
if (typeof className == "function")
this.lambdaReplace = className;
else
this.className = className;
}
function CMunger ()
{
this.entries = new Object();
}
CMunger.prototype.enabled = true;
CMunger.prototype.addRule =
function mng_addrule (name, regex, className)
{
this.entries[name] = new CMungerEntry (name, regex, className);
}
CMunger.prototype.delRule =
function mng_delrule (name)
{
delete this.entries[name];
}
CMunger.prototype.munge =
function mng_munge (text, containerTag, eventDetails)
{
var entry;
var ary;
if (!containerTag)
containerTag =
document.createElementNS ("http://www.w3.org/1999/xhtml",
this.tagName);
if (this.enabled)
{
for (entry in this.entries)
{
if (typeof this.entries[entry].lambdaMatch == "function")
{
var rval;
rval = this.entries[entry].lambdaMatch(text, containerTag,
eventDetails,
this.entries[entry]);
if (rval)
ary = [(void 0), rval];
else
ary = null;
}
else
ary = text.match(this.entries[entry].regex);
if ((ary != null) && (ary[1]))
{
var startPos = text.indexOf(ary[1]);
if (typeof this.entries[entry].lambdaReplace == "function")
{
this.munge (text.substr(0,startPos), containerTag,
eventDetails);
this.entries[entry].lambdaReplace (ary[1], containerTag,
eventDetails,
this.entries[entry]);
this.munge (text.substr (startPos + ary[1].length,
text.length), containerTag,
eventDetails);
return containerTag;
}
else
{
this.munge (text.substr(0,startPos), containerTag,
eventDetails);
var subTag = document.createElementNS
("http://www.w3.org/1999/xhtml",
this.entries[entry].tagName);
subTag.setAttribute ("class", this.entries[entry].className);
subTag.appendChild (document.createTextNode (ary[1]));
containerTag.appendChild (subTag);
this.munge (text.substr (startPos + ary[1].length,
text.length), containerTag,
eventDetails);
return containerTag;
}
}
}
}
containerTag.appendChild (document.createTextNode (text));
return containerTag;
}