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111 lines
3.7 KiB
JavaScript
111 lines
3.7 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Jetpack.
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*
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* The Initial Developer of the Original Code is Mozilla.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Atul Varma <atul@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var ios = Cc['@mozilla.org/network/io-service;1']
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.getService(Ci.nsIIOService);
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var resProt = ios.getProtocolHandler("resource")
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.QueryInterface(Ci.nsIResProtocolHandler);
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function newURI(uriStr) {
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try {
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return ios.newURI(uriStr, null, null);
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} catch (e if e.result == Cr.NS_ERROR_MALFORMED_URI) {
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throw new Error("malformed URI: " + uriStr);
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} catch (e if (e.result == Cr.NS_ERROR_FAILURE ||
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e.result == Cr.NS_ERROR_ILLEGAL_VALUE)) {
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throw new Error("invalid URI: " + uriStr);
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}
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}
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function resolveResourceURI(uri) {
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var resolved;
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try {
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resolved = resProt.resolveURI(uri);
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} catch (e if e.result == Cr.NS_ERROR_NOT_AVAILABLE) {
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throw new Error("resource does not exist: " + uri.spec);
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};
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return resolved;
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}
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var fromFilename = exports.fromFilename = function fromFilename(path) {
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var file = Cc['@mozilla.org/file/local;1']
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.createInstance(Ci.nsILocalFile);
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file.initWithPath(path);
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return ios.newFileURI(file).spec;
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};
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var toFilename = exports.toFilename = function toFilename(url) {
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var uri = newURI(url);
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if (uri.scheme == "resource")
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uri = newURI(resolveResourceURI(uri));
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if (uri.scheme == "file") {
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var file = uri.QueryInterface(Ci.nsIFileURL).file;
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return file.path;
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}
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throw new Error("cannot map to filename: " + url);
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};
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var parse = exports.parse = function parse(url) {
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var uri = newURI(url);
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var userPass = null;
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try {
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userPass = uri.userPass ? uri.userPass : null;
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} catch (e if e.result == Cr.NS_ERROR_FAILURE) {}
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var host = null;
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try {
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host = uri.host;
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} catch (e if e.result == Cr.NS_ERROR_FAILURE) {}
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var port = null;
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try {
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port = uri.port == -1 ? null : uri.port;
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} catch (e if e.result == Cr.NS_ERROR_FAILURE) {}
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return {scheme: uri.scheme,
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userPass: userPass,
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host: host,
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port: port,
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path: uri.path};
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};
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var resolve = exports.resolve = function resolve(base, relative) {
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var baseURI = newURI(base);
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return ios.newURI(relative, null, baseURI).spec;
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};
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