From 32da992f75bf6046a8b1d829e742ef1bf0f98d89 Mon Sep 17 00:00:00 2001 From: Einar Egilsson Date: Fri, 26 Aug 2011 15:07:21 +0200 Subject: Upgrade half ready --- chrome/code/redirector.js | 130 ++++++++++++++++++++++++++++------------------ 1 file changed, 80 insertions(+), 50 deletions(-) (limited to 'chrome/code/redirector.js') diff --git a/chrome/code/redirector.js b/chrome/code/redirector.js index 8744483..f4b2093 100644 --- a/chrome/code/redirector.js +++ b/chrome/code/redirector.js @@ -4,6 +4,10 @@ Cc = Components.classes; Ci = Components.interfaces; Cr = Components.results; +const FileInputStream = Components.Constructor("@mozilla.org/network/file-input-stream;1", "nsIFileInputStream", "init"); +const ConverterInputStream = Components.Constructor("@mozilla.org/intl/converter-input-stream;1", "nsIConverterInputStream", "init"); +const LocalFile = Components.Constructor("@mozilla.org/file/local;1", "nsILocalFile", "initWithPath"); + Components.utils.import("chrome://redirector/content/code/redirect.js"); Components.utils.import("chrome://redirector/content/code/redirectorprefs.js"); @@ -61,7 +65,11 @@ Redirector = { fileStream.init(file, PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 0644, 0); var stream = Cc["@mozilla.org/intl/converter-output-stream;1"].createInstance(Ci.nsIConverterOutputStream); stream.init(fileStream, "UTF-8", 16384, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER); - stream.writeString(this._redirectsAsString('\n')); + var rjson = { globalExcludePattern : '', createdBy : 'Redirector v' + RedirectorPrefs.version, redirects :[]}; + for each (var re in this._list) { + rjson.redirects.push(re.toObject()); + } + stream.writeString(JSON.stringify(rjson, null, 4)); stream.close(); }, @@ -108,8 +116,42 @@ Redirector = { throw Cr.NS_ERROR_NO_INTERFACE; }, + _getRedirectsFile : function() { + var file = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties).get("ProfD", Ci.nsIFile); + file.append('redirector.rjson'); + return file; + }, - importRedirects : function(file) { + handleUpgrades : function(){ + var currentVersion = '2.6'; + + //Here update checks are handled + if (this._prefs.version != currentVersion) { + var data = this._prefs.redirects; + var arr; + this._list = []; + if (data != '') { + for each (redirectString in data.split(':::')) { + if (!redirectString || !redirectString.split) { + continue; + rdump('Invalid old redirect: ' + redirectString); + } + var parts = redirectString.split(',,,'); + if (parts.length < 5) { + throw Error("Invalid serialized redirect, too few fields: " + redirectString); + } + var redirect = new Redirect(); + redirect._init.apply(parts); + this._list.push(redirect); + } + this.save(); + this._list = []; //Let the real loading start this properly + } + } + this._prefs.version = currentVersion; + }, + + importOldRedirects : function(file) { var fileStream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(Ci.nsIFileInputStream); fileStream.init(file, 0x01, 0444, 0); //TODO: Find the actual constants for these magic numbers @@ -117,6 +159,8 @@ Redirector = { stream.init(fileStream, "UTF-8", 16384, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER); stream = stream.QueryInterface(Ci.nsIUnicharLineInputStream); + + var importCount = 0, existsCount = 0; var lines = []; var line = {value: null}; @@ -136,24 +180,37 @@ Redirector = { this.save(); return importCount | (existsCount << 16); }, - - reload : function() { - loader.loadSubScript('chrome://redirector/content/code/redirector.prototype.js'); - loader.loadSubScript('chrome://redirector/content/code/redirect.js'); - var oldEnabled = this.enabled; - for (var key in Redirector.prototype) { - if (key != 'redirectCount' && key != 'enabled') { - this[key] = Redirector.prototype[key]; + + importRedirects : function(file) { + var fileStream = new FileInputStream(file, 0x01, 0444, 0); + var stream = new ConverterInputStream(fileStream, "UTF-8", 16384, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER); + var str = {}; + var rjson = ''; + while (stream.readString(4096, str) != 0) { + rjson += str.value; + } + stream.close(); + var importCount = 0, existsCount = 0; + rjson = JSON.parse(rjson); + for each (var rd in rjson.redirects) { + var redirect = new Redirect(); + redirect.fromObject(rd); + if (this._containsRedirect(redirect)) { + existsCount++; + } else { + this._list.push(redirect); + importCount++; } } - this._init(); - this.enabled = oldEnabled; - }, - - save : function() { - this._prefs.redirects = this._redirectsAsString(':::'); + this.save(); + return importCount | (existsCount << 16); }, + save : function() { + var file = this._getRedirectsFile(); + this.exportRedirects(file); + }, + switchItems : function(index1, index2) { var item = this._list[index1]; this._list[index1] = this._list[index2]; @@ -218,7 +275,7 @@ Redirector = { { try { let newLocation = newChannel.URI.spec; - rrdump('nsIChannelEventSink::onChannelRedirect ' + newLocation); + rdump('nsIChannelEventSink::onChannelRedirect ' + newLocation); if (!(newChannel.loadFlags & Ci.nsIChannel.LOAD_DOCUMENT_URI)) { //We only redirect documents... @@ -273,7 +330,7 @@ Redirector = { _strings : null, _cout : Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService), - _init : function() { + init : function() { if (this._prefs) { this._prefs.dispose(); } @@ -283,38 +340,11 @@ Redirector = { var data = this._prefs.redirects; var version = this._prefs.version; this._loadStrings(); - var currentVersion = '2.5'; - //Here update checks are handled - if (version == 'undefined') { //Either a fresh install of Redirector, or first time install of v2.0 - if (data) { //There is some data in redirects, we are upgrading from a previous version, need to upgrade data - var tempList = JSON.parse(data); - var arr; - var newArr = [] - for each (arr in tempList) { - if (arr.length == 5) { - arr.push(''); //For those that don't have an exclude pattern. Backwards compatibility is a bitch! - } - arr.splice(3,1); //Remove the "only if link exists" data - newArr.push(arr.join(',,,')); - } - this._prefs.redirects = newArr.join(':::'); - } - this._prefs.version = currentVersion; - } else if (version == '2.0' || version == '2.0.1' || version == '2.0.2') { - this._prefs.version = currentVersion; - } - //Update finished - - //Now get from the new format - data = this._prefs.redirects; - var arr; this._list = []; - if (data != '') { - for each (redirectString in data.split(':::')) { - var redirect = new Redirect(); - redirect.deserialize(redirectString); - this._list.push(redirect); - } + this.handleUpgrades(); + var redirectsFile = this._getRedirectsFile(); + if (redirectsFile.exists()) { + this.importRedirects(redirectsFile); } }, @@ -367,4 +397,4 @@ Redirector = { } }; -Redirector._init(); \ No newline at end of file +Redirector.init(); \ No newline at end of file -- cgit v1.2.3-70-g09d2