gecko-dev/content/base/test/unit/head_utilities.js
2012-05-21 12:12:37 +01:00

35 lines
1.5 KiB
JavaScript

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const nsIDocumentEncoder = Components.interfaces.nsIDocumentEncoder;
const replacementChar = Components.interfaces.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER;
function loadContentFile(aFile, aCharset) {
//if(aAsIso == undefined) aAsIso = false;
if(aCharset == undefined)
aCharset = 'UTF-8';
var file = do_get_file(aFile);
var ios = Components.classes['@mozilla.org/network/io-service;1']
.getService(Components.interfaces.nsIIOService);
var chann = ios.newChannelFromURI ( ios.newFileURI (file) );
chann.contentCharset = aCharset;
/*var inputStream = Components.classes["@mozilla.org/scriptableinputstream;1"]
.createInstance(Components.interfaces.nsIScriptableInputStream);
inputStream.init(chann.open());
return inputStream.read(file.fileSize);
*/
var inputStream = Components.classes["@mozilla.org/intl/converter-input-stream;1"]
.createInstance(Components.interfaces.nsIConverterInputStream);
inputStream.init(chann.open(), aCharset, 1024, replacementChar);
var str = {}, content = '';
while (inputStream.readString(4096, str) != 0) {
content += str.value;
}
return content;
}