1 files changed, 113 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/url.js b/tools/addon-sdk-1.5/packages/api-utils/lib/url.js
new file mode 100644
index 0000000..29fc12c
--- /dev/null
+++ b/tools/addon-sdk-1.5/packages/api-utils/lib/url.js
@@ -0,0 +1,113 @@
+/* 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/. */
+
+"use strict";
+
+const {Cc,Ci,Cr} = require("chrome");
+
+var ios = Cc['@mozilla.org/network/io-service;1']
+          .getService(Ci.nsIIOService);
+
+var resProt = ios.getProtocolHandler("resource")
+              .QueryInterface(Ci.nsIResProtocolHandler);
+
+function newURI(uriStr, base) {
+  try {
+    let baseURI = base ? ios.newURI(base, null, null) : null;
+    return ios.newURI(uriStr, null, baseURI);
+  }
+  catch (e if e.result == Cr.NS_ERROR_MALFORMED_URI) {
+    throw new Error("malformed URI: " + uriStr);
+  }
+  catch (e if (e.result == Cr.NS_ERROR_FAILURE ||
+               e.result == Cr.NS_ERROR_ILLEGAL_VALUE)) {
+    throw new Error("invalid URI: " + uriStr);
+  }
+}
+
+function resolveResourceURI(uri) {
+  var resolved;
+  try {
+    resolved = resProt.resolveURI(uri);
+  } catch (e if e.result == Cr.NS_ERROR_NOT_AVAILABLE) {
+    throw new Error("resource does not exist: " + uri.spec);
+  };
+  return resolved;
+}
+
+let fromFilename = exports.fromFilename = function fromFilename(path) {
+  var file = Cc['@mozilla.org/file/local;1']
+             .createInstance(Ci.nsILocalFile);
+  file.initWithPath(path);
+  return ios.newFileURI(file).spec;
+};
+
+let toFilename = exports.toFilename = function toFilename(url) {
+  var uri = newURI(url);
+  if (uri.scheme == "resource")
+    uri = newURI(resolveResourceURI(uri));
+  if (uri.scheme == "chrome") {
+    var channel = ios.newChannelFromURI(uri);
+    try {
+      channel = channel.QueryInterface(Ci.nsIFileChannel);
+      return channel.file.path;
+    } catch (e if e.result == Cr.NS_NOINTERFACE) {
+      throw new Error("chrome url isn't on filesystem: " + url);
+    }
+  }
+  if (uri.scheme == "file") {
+    var file = uri.QueryInterface(Ci.nsIFileURL).file;
+    return file.path;
+  }
+  throw new Error("cannot map to filename: " + url);
+};
+
+function URL(url, base) {
+  if (!(this instanceof URL)) {
+     return new URL(url, base);
+  }
+
+  var uri = newURI(url, base);
+
+  var userPass = null;
+  try {
+    userPass = uri.userPass ? uri.userPass : null;
+  } catch (e if e.result == Cr.NS_ERROR_FAILURE) {}
+
+  var host = null;
+  try {
+    host = uri.host;
+  } catch (e if e.result == Cr.NS_ERROR_FAILURE) {}
+
+  var port = null;
+  try {
+    port = uri.port == -1 ? null : uri.port;
+  } catch (e if e.result == Cr.NS_ERROR_FAILURE) {}
+
+  this.__defineGetter__("scheme", function() uri.scheme);
+  this.__defineGetter__("userPass", function() userPass);
+  this.__defineGetter__("host", function() host);
+  this.__defineGetter__("port", function() port);
+  this.__defineGetter__("path", function() uri.path);
+
+  Object.defineProperties(this, {
+    toString: {
+      value: function URL_toString() new String(uri.spec).toString(),
+      enumerable: false
+    },
+    valueOf: {
+      value: function() new String(uri.spec).valueOf(),
+      enumerable: false
+    },
+    toSource: {
+      value: function() new String(uri.spec).toSource(),
+      enumerable: false
+    }
+  });
+
+  return this;
+};
+
+URL.prototype = Object.create(String.prototype);
+exports.URL = URL;