Index: lib/websql/io.js |
=================================================================== |
deleted file mode 100644 |
--- a/lib/websql/io.js |
+++ /dev/null |
@@ -1,199 +0,0 @@ |
-/* |
- * This file is part of Adblock Plus <http://adblockplus.org/>, |
- * Copyright (C) 2006-2013 Eyeo GmbH |
- * |
- * Adblock Plus is free software: you can redistribute it and/or modify |
- * it under the terms of the GNU General Public License version 3 as |
- * published by the Free Software Foundation. |
- * |
- * Adblock Plus is distributed in the hope that it will be useful, |
- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
- * GNU General Public License for more details. |
- * |
- * You should have received a copy of the GNU General Public License |
- * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. |
- */ |
- |
-// |
-// No direct file system access, using WebSQL API |
-// |
- |
-var IO = exports.IO = |
-{ |
- _db: null, |
- lineBreak: "\n", |
- |
- _transaction: function(callback) |
- { |
- var dbCreated = false; |
- if (!this._db) |
- this._db = openDatabase("adblockplus", "1.0", "", 102400, function() { dbCreated = true; }); |
- |
- this._db.transaction(function(tx) |
- { |
- if (dbCreated) |
- tx.executeSql("CREATE TABLE files (path unique, last_modified, content)"); |
- |
- callback(tx); |
- }); |
- }, |
- _getFilePath: function(file) |
- { |
- if (file instanceof FakeFile) |
- return file.path; |
- if ("spec" in file) |
- return file.spec; |
- |
- throw new Error("Unexpected file type"); |
- }, |
- resolveFilePath: function(path) |
- { |
- return new FakeFile(path); |
- }, |
- readFromFile: function(file, decode, listener, callback, timeLineID) |
- { |
- if ("spec" in file && /^defaults\b/.test(file.spec)) |
- { |
- // Code attempts to read the default patterns.ini, we don't have that. |
- // Make sure to execute first-run actions instead. |
- var Utils = require("utils").Utils; |
- Utils.runAsync(function() |
- { |
- if (localStorage.currentVersion) |
- seenDataCorruption = true; |
- delete localStorage.currentVersion; |
- callback(null); |
- }); |
- return; |
- } |
- |
- var path = this._getFilePath(file); |
- var runAsync = require("utils").Utils.runAsync; |
- |
- this._transaction(function(tx) |
- { |
- tx.executeSql( |
- "SELECT content FROM files WHERE path = ?", |
- [path], |
- function(tx, results) |
- { |
- if (results.rows.length == 0) |
- { |
- runAsync(callback, null, new Error("File doesn't exist")); |
- return; |
- } |
- |
- var lines = results.rows.item(0).content.split(/[\r\n]+/); |
- runAsync(function() |
- { |
- for (var i = 0; i < lines.length; i++) |
- listener.process(lines[i]); |
- listener.process(null); |
- callback(null); |
- }); |
- } |
- ); |
- }); |
- }, |
- writeToFile: function(file, encode, data, callback, timeLineID) |
- { |
- var path = this._getFilePath(file); |
- var lnbr = this.lineBreak; |
- var runAsync = require("utils").Utils.runAsync; |
- |
- this._transaction(function(tx) |
- { |
- tx.executeSql( |
- "INSERT OR REPLACE INTO files VALUES (?, ?, ?)", |
- [path, Date.now(), data.join(lnbr) + lnbr], |
- function() { runAsync(callback, null, null); } |
- ); |
- }); |
- }, |
- copyFile: function(fromFile, toFile, callback) |
- { |
- var fromPath = this._getFilePath(fromFile); |
- var toPath = this._getFilePath(toFile); |
- var runAsync = require("utils").Utils.runAsync; |
- |
- this._transaction(function(tx) |
- { |
- tx.executeSql( |
- "INSERT OR REPLACE INTO files SELECT ?, ?, content FROM files WHERE path = ?", |
- [toPath, Date.now(), fromPath], |
- function(tx, results) |
- { |
- if (results.rowsAffected == 0) |
- runAsync(callback, null, new Error("File doesn't exist")); |
- else |
- runAsync(callback, null, null); |
- } |
- ); |
- }); |
- }, |
- renameFile: function(fromFile, newName, callback) |
- { |
- var path = this._getFilePath(fromFile); |
- var runAsync = require("utils").Utils.runAsync; |
- |
- this._transaction(function(tx) |
- { |
- tx.executeSql( |
- "UPDATE files SET path = ? WHERE path = ?", |
- [newName, path], |
- function(tx, results) |
- { |
- if (results.rowsAffected == 0) |
- runAsync(callback, null, new Error("File doesn't exist")); |
- else |
- runAsync(callback, null, null); |
- } |
- ); |
- }); |
- }, |
- removeFile: function(file, callback) |
- { |
- var path = this._getFilePath(file); |
- var runAsync = require("utils").Utils.runAsync; |
- |
- this._transaction(function(tx) |
- { |
- tx.executeSql( |
- "DELETE FROM files WHERE path = ?", |
- [path], |
- function() { runAsync(callback, null, null); } |
- ); |
- }); |
- }, |
- statFile: function(file, callback) |
- { |
- var path = this._getFilePath(file); |
- var runAsync = require("utils").Utils.runAsync; |
- |
- this._transaction(function(tx) |
- { |
- tx.executeSql( |
- "SELECT last_modified FROM files WHERE path = ?", |
- [path], |
- function(tx, results) |
- { |
- if (results.rows.length == 0) |
- runAsync(callback, null, null, { |
- exists: false, |
- isDirectory: false, |
- isFile: false, |
- lastModified: 0 |
- }); |
- else |
- runAsync(callback, null, null, { |
- exists: true, |
- isDirectory: false, |
- isFile: true, |
- lastModified: results.rows.item(0).last_modified |
- }); |
- } |
- ); |
- }); |
- } |
-}; |