diff options
Diffstat (limited to 'tools/addon-sdk-1.7/packages/api-utils/lib/url.js')
-rw-r--r-- | tools/addon-sdk-1.7/packages/api-utils/lib/url.js | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.7/packages/api-utils/lib/url.js b/tools/addon-sdk-1.7/packages/api-utils/lib/url.js new file mode 100644 index 0000000..29fc12c --- /dev/null +++ b/tools/addon-sdk-1.7/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; |