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Working on better lib structure, more powerful base lib and nodejs co…

…mpatibility layer
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commit 210e12e119b181df6351f856adc488b728b66706 1 parent f505476
@tanepiper tanepiper authored
Showing with 681 additions and 160 deletions.
  1. +18 −0 jquery.js
  2. +402 −0 lib/webfs-nodecompat.js
  3. +219 −160 lib/webfs.js
  4. +42 −0 test.html
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18 jquery.js
@@ -0,0 +1,18 @@
+/*!
+ * jQuery JavaScript Library v1.6.1
+ * http://jquery.com/
+ *
+ * Copyright 2011, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2011, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Thu May 12 15:04:36 2011 -0400
+ */
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View
402 lib/webfs-nodecompat.js
@@ -0,0 +1,402 @@
+var WebFS = (function() {
+
+ function WebFS(fs) {
+ this.fs = fs;
+ }
+
+ // Filesystem system types flags
+ WebFS.prototype.TEMPORARY = 0;
+ WebFS.prototype.PERSISTENT = 1;
+ // Filesystem progress flags
+ WebFS.prototype.EMPTY = 0;
+ WebFS.prototype.LOADING = 1;
+ WebFS.prototype.DONE = 2;
+ // Filesystem error flags
+ WebFS.prototype.NOT_FOUND_ERR = 1;
+ WebFS.prototype.SECURITY_ERR = 2;
+ WebFS.prototype.ABORT_ERR = 3;
+ WebFS.prototype.NOT_READABLE_ERR = 4;
+ WebFS.prototype.ENCODING_ERR = 5;
+ WebFS.prototype.NO_MODIFICATION_ALLOWED_ERR = 6;
+ WebFS.prototype.INVALID_STATE_ERR = 7;
+ WebFS.prototype.SYNTAX_ERR = 8;
+ WebFS.prototype.INVALID_MODIFICATION_ERR = 9;
+ WebFS.prototype.QUOTA_EXCEEDED_ERR = 10;
+ WebFS.prototype.TYPE_MISMATCH_ERR = 11;
+ WebFS.prototype.PATH_EXISTS_ERR = 12;
+
+ WebFS.prototype.errorHandler = function(error) {
+ var msg;
+
+ switch(error.code) {
+ case this.NOT_FOUND_ERR:
+ msg = "The file or directory has not been found";
+ break;
+ case this.SECURITY_ERR:
+ msg = "The file you are attempting to access is unsafe for web access or may be being accessed too many times.";
+ break;
+ case this.ABORT_ERR:
+ msg = "The current operation has been aborted";
+ break;
+ case this.NOT_READABLE_ERR:
+ msg = "The file you are attempting to read is not readable, this may be a permissions issue.";
+ break;
+ case this.ENCODING_ERR:
+ msg = "The data or URL passed is malformed";
+ break;
+ case this.NO_MODIFICATION_ALLOWED_ERR:
+ msg = "The file or directory cannot be modified.";
+ break;
+ case this.INVALID_STATE_ERR:
+ msg = "The file or directory state has changed since the last operation.";
+ break;
+ case this.SYNTAX_ERR:
+ msg = "There is a syntax error with this file operation.";
+ break;
+ case this.INVALID_MODIFICATION_ERR:
+ msg = "Invalid file operation.";
+ break;
+ case this.QUOTA_EXCEEDED_ERR:
+ msg = "The quota for the filesystem has been exceeded.";
+ break;
+ case this.QUOTA_EXCEEDED_ERR:
+ msg = "The quota for the filesystem has been exceeded.";
+ break;
+ }
+
+ return msg;
+
+ };
+
+ /**
+ * Rename or move path1 to path2
+ * @param {String} path1 The path to rename or move
+ * @param {String} path2 The path to rename or move to
+ * @param {Function} callback Callback function on completion. The first
+ * argument returned is an error or null and second argument is the new handler
+ * for the moved file or directory
+ */
+ WebFS.prototype.rename = function(path1, path2, callback) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ // We got a file, so now we need to rename it
+ var fileSuccess = function(fileHandler) {
+
+ // Now we need the directory that the file is going to
+ var tmp = path2.split('/');
+ var new_filename = tmp.pop();
+ var path2_dir = tmp.join('/');
+
+ _self.fs.root.getDirectory(path2_dir, {create: false}, function(parentDir) {
+ fileHandler.moveTo(parentDir, new_filename, function(newFile) {
+ callback(null, newFile);
+ }, errorHandler);
+ }, errorHandler);
+ };
+
+ var fileFailure = function(error) {
+ // Check if it's a mismatch error, then we want to rename a directory
+ if (error.code == _self.TYPE_MISMATCH_ERR) {
+
+ // Now we need the directory that the directory is going to
+ var tmp = path2.split('/');
+ var new_dirname = tmp.pop();
+ var path2_dir = tmp.join('/');
+
+ _self.offlinefs.root.getDirectory(path2_dir, {create: false}, function(parentDir) {
+ _self.offlinefs.root.getDirectory(path1, {create: false}, function(dirHandler) {
+ dirHandler.moveTo(parentDir, new_dirname, function(newDir) {
+ callback(null, newDir);
+ }, errorHandler);
+ }, errorHandler);
+ }, errorHandler);
+ } else {
+ errorHandler(error);
+ }
+ };
+
+ // First we will try check if this is a file and rename it
+ this.fs.root.getFile(path1, {create: false}, fileSuccess, fileFailure);
+ };
+
+ /**
+ * Takes a file handler and truncates the content to the passed length
+ * @param {FileEntry} fd The file entry to be truncated
+ * @param {Number} len The length to truncate the file to
+ * @param {Function} callback Callback function, the first argument is an error
+ * or null, the second argument is the result of the write, the third argument
+ * is the event generated from the write
+ */
+ WebFS.prototype.truncate = function(fd, len, callback, progress) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ fd.createWriter(function(fileWriter) {
+ fileWriter.onwriteend = function(e) {
+ callback(null, this.result, e);
+ };
+ fileWriter.onerror = errorHandler;
+
+ if (progress)
+ fileWriter.onprogress = progress;
+
+ fileWriter.truncate(len);
+ });
+ };
+
+ WebFS.prototype.chmod = function(path, mode, callback) {
+ callback();
+ };
+
+ WebFS.prototype.stat = function(path, callback) {
+ callback();
+ };
+
+ WebFS.prototype.lstat = function(path, callback) {
+ callback();
+ };
+
+ WebFS.prototype.fstat = function(fd, callback) {
+ callback();
+ };
+
+ WebFS.prototype.link = function(srcpath, destpath, callback) {
+ callback();
+ };
+
+ WebFS.prototype.symlink = function(linkdata, path, callback) {
+ callback();
+ };
+
+
+ /**
+ * Unlink deletes a file from the filesystem
+ * @param {String} path The path to the file to remove
+ * @param {Function} callback Callback function, only returns an error or null
+ */
+ WebFS.prototype.unlink = function(path, callback) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var successHandler = function(fileEntry) {
+ fileEntry.remove(function() {
+ callback(null);
+ }, errorHandler);
+ };
+
+ this.fs.root.getFile(path, {create: false}, successHandler, errorHandler);
+ };
+
+ /**
+ * Removes a directory from the filesystem
+ * @param {String} path The path of the directory to remove
+ * @param {Function} callback Callback function, only returns an error or null
+ */
+ WebFS.prototype.rmdir = function(path, callback) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var successHandler = function(dirEntry) {
+ dirEntry.remove(function() {
+ callback(null);
+ }, errorHandler);
+ };
+
+ this.fs.root.getDirectory(path, {create: false}, successHandler, errorHandler);
+ };
+
+ /**
+ * Creates a directory on the filesystem, will recursivly create paths
+ * @param {String} path The path of the directory to create
+ * @param {Function} callback Callback function, returns an error or null and
+ * a DirectoryEntry reference
+ */
+ WebFS.prototype.mkdir = function(path, callback) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var createDir = function(rootDir, folders) {
+ if (folders[0] === '.' || folders[0] === '') {
+ folders = folders.slice(1);
+ }
+
+ rootDir.getDirectory(folders[0], {create: true}, function(dirEntry) {
+ if (folders.length) {
+ createDir(dirEntry, folders.slice(1));
+ } else {
+ callback(null, dirEntry);
+ }
+ }, errorHandler);
+ };
+ createDir(this.fs.root, path.split('/'));
+ };
+
+ /**
+ * Reads the contents of a directory, returns the result as an array of entries
+ * @param {String} path The path of the directory to list
+ * @param {Function} callback Callback function, returns an error or null and
+ * an array of entries
+ */
+ WebFS.prototype.readdir = function(path, callback) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var listHandler = function(dirs) {
+ callback(null, dirs);
+ };
+
+ this.fs.listDir(new_path, listHandler, errorHandler);
+ };
+
+
+ /**
+ * Opens a file and returns a FileEntry reference
+ * @param {String} path The path of the directory to remove
+ * @param {String} flags Unused, provided for compatibility
+ * @param {Number} mode Unused, provied for compatibility
+ * @param {Function} callback Callback function, returns an error or null and
+ * a reference to a FileEntry
+ */
+ WebFS.prototype.open = function(path, flags, mode, callback) {
+ /**
+ * TODO: Work out a good way to take a path, and support the creation
+ * of recursive dirs if the file does not exists, but only if the user
+ * wants to create the file, which is not supported in the nodejs api
+ */
+
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var successHandler = function(fileHandler) {
+ callback(null, fileHandler);
+ };
+
+ this.fs.root.getFile(path, {create: true}, successHandler, errorHandler);
+ };
+
+ /**
+ * Writes the contents of a Blob or File to a FileEntry on the filesystem
+ * @param {FileEntry} fd The FileEntry to be written to
+ * @param {Mixed} buffer The File or Blob to be read from
+ * @param {Number} offset The number of bytes to offset the read from the buffer
+ * @param {Number} length The length of bytes to read from the buffer
+ * @param {Number} position The position in bytes to begin writing to
+ * @param {Function} callback Callback function, only returns an error or null
+ */
+ WebFS.prototype.write = function(fd, buffer, offset, length, position, callback, progress) {
+ var _self = this,
+ data;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ // Offset can be 0, but length must always be a value > 1
+ if (offset !== null || offset != 'undefined' && length)
+ data = buffer.slice(offset, length);
+ else
+ data = buffer;
+
+ var writerHandler = function(fileWriter) {
+ // If we have a position we want to seek to append
+ if (position)
+ fileWriter.seek(position);
+
+ fileWriter.onwriteend = function(e) {
+ callback(null, this.result, e);
+ };
+ fileWriter.onerror = errorHandler;
+ if (progress)
+ fileWriter.onprogress = progress;
+ fileWriter.write(data);
+ };
+
+ fd.createWriter(writerHandler, errorHandler);
+ };
+
+
+ /**
+ * Writes a Blob or File to the passed filename
+ * @param {String} filename The filename to be created
+ * @param {Mixed} buffer The blob or File containing the file data
+ * @param {String} encoding Currently unused
+ * @param {Function} callback Callback Function
+ */
+ WebFS.prototype.writeFile = function(filename, buffer, encoding, callback, progress) {
+ var _self = this;
+
+ this.open(filename, null, null, function(error, fileHandler) {
+ if (error)
+ return callback(error);
+ _self.truncate(fileHandler, 0, function(error) {
+ _self.write(fileHandler, buffer, null, null, null, callback, progress);
+ });
+ });
+ };
+
+ WebFS.prototype.read = function(fd, buffer, offset, length, position, callback, progress) {
+ var _self = this,
+ data;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ fd.file(function(file) {
+ var reader = new FileReader();
+
+ reader.onloadend = function(e) {
+ if (offset !== null || offset != 'undefined' && length)
+ data = this.result.slice(offset, length);
+ else
+ data = this.result;
+
+ callback(null, data, e);
+ };
+ reader.onerror = errorHandler;
+
+ if (progress) {
+ reader.onprogress = progress;
+ }
+ reader.readAsArrayBuffer(file);
+ });
+ };
+
+ WebFS.prototype.readFile = function(filename, encoding, callback, position) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var successHandler = function(error, fileHandler) {
+ _self.read(fileHandler, null, null, null, null, callback, position);
+ };
+
+ this.open(filename, null, null, successHandler);
+ };
+
+ return WebFS;
+})();
View
379 lib/webfs.js
@@ -1,31 +1,36 @@
-var WebFS = function(fs) {
- this.fs = fs;
-};
-
-(function() {
+var WebFS = (function() {
+
+ function WebFS(fs) {
+ this.fs = fs;
+ this.root = fs.root;
+ }
// Filesystem system types flags
- this.TEMPORARY = 0;
- this.PERSISTENT = 1;
+ WebFS.prototype.TEMPORARY = 0;
+ WebFS.prototype.PERSISTENT = 1;
// Filesystem progress flags
- this.EMPTY = 0;
- this.LOADING = 1;
- this.DONE = 2;
+ WebFS.prototype.EMPTY = 0;
+ WebFS.prototype.LOADING = 1;
+ WebFS.prototype.DONE = 2;
// Filesystem error flags
- this.NOT_FOUND_ERR = 1;
- this.SECURITY_ERR = 2;
- this.ABORT_ERR = 3;
- this.NOT_READABLE_ERR = 4;
- this.ENCODING_ERR = 5;
- this.NO_MODIFICATION_ALLOWED_ERR = 6;
- this.INVALID_STATE_ERR = 7;
- this.SYNTAX_ERR = 8;
- this.INVALID_MODIFICATION_ERR = 9;
- this.QUOTA_EXCEEDED_ERR = 10;
- this.TYPE_MISMATCH_ERR = 11;
- this.PATH_EXISTS_ERR = 12;
+ WebFS.prototype.NOT_FOUND_ERR = 1;
+ WebFS.prototype.SECURITY_ERR = 2;
+ WebFS.prototype.ABORT_ERR = 3;
+ WebFS.prototype.NOT_READABLE_ERR = 4;
+ WebFS.prototype.ENCODING_ERR = 5;
+ WebFS.prototype.NO_MODIFICATION_ALLOWED_ERR = 6;
+ WebFS.prototype.INVALID_STATE_ERR = 7;
+ WebFS.prototype.SYNTAX_ERR = 8;
+ WebFS.prototype.INVALID_MODIFICATION_ERR = 9;
+ WebFS.prototype.QUOTA_EXCEEDED_ERR = 10;
+ WebFS.prototype.TYPE_MISMATCH_ERR = 11;
+ WebFS.prototype.PATH_EXISTS_ERR = 12;
- this.errorHandler = function(error) {
+ WebFS.prototype.DIR_SEPARATOR = '/';
+ WebFS.prototype.TYPE_FILE = 'file';
+ WebFS.prototype.TYPE_DIR = 'dir';
+
+ WebFS.prototype.errorHandler = function(error) {
var msg;
switch(error.code) {
@@ -65,82 +70,156 @@ var WebFS = function(fs) {
}
return msg;
+ };
+
+ /**
+ * If the user does not use an external fs object, we can call this method
+ * to create a new file system object
+ * @param {Number} type Defines if the filesystem is TEMPORARY or PERSISTENT
+ * @param {Number} size The size in MB of the filesystem, automatically
+ * converted to bytes
+ * @param {Function} callback The callback function on success or error
+ */
+ WebFS.prototype.setFilesystem = function(type, size, callback) {
+ var _self = this;
+ var request = window.requestFilesystem || window.webkitRequestFilesystem;
+ var successHandler = function(fs) {
+ _self.fs = fs;
+ callback(null, _self);
+ };
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ request(type, (size * 1024 *1024), success, errorHandler);
+ };
+
+ /**
+ * Get the current raw filesystem for this WebFS object
+ */
+ WebFS.prototype.getFilesystem = function() {
+ return this.fs;
};
/**
- * Rename or move path1 to path2
- * @param {String} path1 The path to rename or move
- * @param {String} path2 The path to rename or move to
+ * Rename or move src to dest. If dest is a directory, must contain
+ * a trailing / char.
+ * @param {String} src The path to rename or move
+ * @param {String} dest The path to rename or move to
* @param {Function} callback Callback function on completion. The first
* argument returned is an error or null and second argument is the new handler
* for the moved file or directory
*/
- this.rename = function(path1, path2, callback) {
+ WebFS.prototype.rename =
+ WebFS.prototype.move = function(src, dest, callback) {
var _self = this;
var errorHandler = function(error) {
callback(_self.errorHandler(error));
};
- // We got a file, so now we need to rename it
- var fileSuccess = function(fileHandler) {
-
- // Now we need the directory that the file is going to
- var tmp = path2.split('/');
- var new_filename = tmp.pop();
- var path2_dir = tmp.join('/');
-
- _self.fs.root.getDirectory(path2_dir, {create: false}, function(parentDir) {
- fileHandler.moveTo(parentDir, new_filename, function(newFile) {
- callback(null, newFile);
- }, errorHandler);
+ var doMove = function(srcDirEntry, destDirEntry, newName) {
+ var name = newName || null;
+ srcDirEntry.moveTo(destDirEntry, name, function(newDirEntry) {
+ callback(null, newDirEntry);
}, errorHandler);
};
-
- var fileFailure = function(error) {
- // Check if it's a mismatch error, then we want to rename a directory
- if (error.code == _self.TYPE_MISMATCH_ERR) {
-
- // Now we need the directory that the directory is going to
- var tmp = path2.split('/');
- var new_dirname = tmp.pop();
- var path2_dir = tmp.join('/');
-
- _self.offlinefs.root.getDirectory(path2_dir, {create: false}, function(parentDir) {
- _self.offlinefs.root.getDirectory(path1, {create: false}, function(dirHandler) {
- dirHandler.moveTo(parentDir, new_dirname, function(newDir) {
- callback(null, newDir);
- }, errorHandler);
+
+ if (dest[dest.length - 1] == _self.DIR_SEPARATOR) {
+ _self.root.getDirectory(src, {}, function(srcDirEntry) {
+ // Create blacklist for dirs we can't re-create.
+ var create = ['.', './', '..', '../', '/'].indexOf(dest) != -1 ? false : true;
+
+ _self.root.getDirectory(dest, {create: create}, function(destDirEntry) {
+ doMove(srcDirEntry, destDirEntry);
+ }, errorHandler);
+ }, function(error) {
+ // Try the src entry as a file instead.
+ _self.root.getFile(src, {}, function(srcDirEntry) {
+ _self.root.getDirectory(dest, {}, function(destDirEntry) {
+ doMove(srcDirEntry, destDirEntry);
}, errorHandler);
}, errorHandler);
- } else {
- errorHandler(error);
- }
+ });
+ } else {
+ // Treat src/destination as files.
+ _self.root.getFile(src, {}, function(srcFileEntry) {
+ srcFileEntry.getParent(function(parentDirEntry) {
+ doMove(srcFileEntry, parentDirEntry, dest);
+ }, errorHandler);
+ }, errorHandler);
+ }
+ };
+
+ /**
+ * Copy src to dest. If dest is a directory, must contain
+ * a trailing / char.
+ * @param {String} src The path to rename or copy
+ * @param {String} dest The path to rename or copy to
+ * @param {Function} callback Callback function on completion. The first
+ * argument returned is an error or null and second argument is the new handler
+ * for the moved file or directory
+ */
+ WebFS.prototype.copy = function(src, dest, callback) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var doMove = function(srcDirEntry, destDirEntry, newName) {
+ var name = newName || null;
+ srcDirEntry.copyTo(destDirEntry, name, function(newDirEntry) {
+ callback(null, newDirEntry);
+ }, errorHandler);
};
- // First we will try check if this is a file and rename it
- this.fs.root.getFile(path1, {create: false}, fileSuccess, fileFailure);
+ if (dest[dest.length - 1] == '/') {
+ _self.root.getDirectory(src, {}, function(srcDirEntry) {
+ // Create blacklist for dirs we can't re-create.
+ var create = ['.', './', '..', '../', '/'].indexOf(dest) != -1 ? false : true;
+
+ _self.root.getDirectory(dest, {create: create}, function(destDirEntry) {
+ doMove(srcDirEntry, destDirEntry);
+ }, errorHandler);
+ }, function(error) {
+ // Try the src entry as a file instead.
+ _self.root.getFile(src, {}, function(srcDirEntry) {
+ _self.root.getDirectory(dest, {}, function(destDirEntry) {
+ doMove(srcDirEntry, destDirEntry);
+ }, errorHandler);
+ }, errorHandler);
+ });
+ } else {
+ // Treat src/destination as files.
+ _self.root.getFile(src, {}, function(srcFileEntry) {
+ srcFileEntry.getParent(function(parentDirEntry) {
+ doMove(srcFileEntry, parentDirEntry, dest);
+ }, errorHandler);
+ }, errorHandler);
+ }
};
/**
* Takes a file handler and truncates the content to the passed length
- * @param {FileEntry} fd The file entry to be truncated
+ * @param {FileEntry} fileEntry The file entry to be truncated
* @param {Number} len The length to truncate the file to
* @param {Function} callback Callback function, the first argument is an error
* or null, the second argument is the result of the write, the third argument
* is the event generated from the write
*/
- this.truncate = function(fd, len, callback, progress) {
+ WebFS.prototype.truncate = function(fileEntry, len, callback, progress) {
var _self = this;
var errorHandler = function(error) {
callback(_self.errorHandler(error));
};
- fd.createWriter(function(fileWriter) {
- fileWriter.onwriteend = function(e) {
- callback(null, this.result, e);
+ fileEntry.createWriter(function(fileWriter) {
+ fileWriter.onwriteend = function(evt) {
+ callback(null, evt);
};
fileWriter.onerror = errorHandler;
@@ -151,71 +230,36 @@ var WebFS = function(fs) {
});
};
- this.chmod = function(path, mode, callback) {
- callback();
- };
-
- this.stat = function(path, callback) {
- callback();
- };
-
- this.lstat = function(path, callback) {
- callback();
- };
-
- this.fstat = function(fd, callback) {
- callback();
- };
-
- this.link = function(srcpath, destpath, callback) {
- callback();
- };
-
- this.symlink = function(linkdata, path, callback) {
- callback();
- };
-
-
/**
- * Unlink deletes a file from the filesystem
+ * Deletes a path from the file system
* @param {String} path The path to the file to remove
+ * @param {Boolean} recursive Force a recursive delete
* @param {Function} callback Callback function, only returns an error or null
*/
- this.unlink = function(path, callback) {
+ WebFS.prototype.remove = function(path, recursive, callback) {
var _self = this;
var errorHandler = function(error) {
callback(_self.errorHandler(error));
};
- var successHandler = function(fileEntry) {
- fileEntry.remove(function() {
- callback(null);
- }, errorHandler);
- };
-
- this.fs.root.getFile(path, {create: false}, successHandler, errorHandler);
- };
-
- /**
- * Removes a directory from the filesystem
- * @param {String} path The path of the directory to remove
- * @param {Function} callback Callback function, only returns an error or null
- */
- this.rmdir = function(path, callback) {
- var _self = this;
-
- var errorHandler = function(error) {
- callback(_self.errorHandler(error));
- };
-
- var successHandler = function(dirEntry) {
- dirEntry.remove(function() {
- callback(null);
- }, errorHandler);
- };
-
- this.fs.root.getDirectory(path, {create: false}, successHandler, errorHandler);
+ _self.root.getFile(path, {}, function(fileEntry) {
+ fileEntry.remove(callback, errorHandler);
+ }, function(error) {
+ if (e.code == FileError.TYPE_MISMATCH_ERR) {
+ if (recursive) {
+ _self.root.getDirectory(path, {}, function(dirEntry) {
+ dirEntry.removeRecursively(callback, errorHandler);
+ }, errorHandler);
+ } else {
+ _self.root.getDirectory(path, {}, function(dirEntry) {
+ dirEntry.remove(callback, errorHandler);
+ }, errorHandler);
+ }
+ } else {
+ errorHandler(error);
+ }
+ });
};
/**
@@ -224,7 +268,7 @@ var WebFS = function(fs) {
* @param {Function} callback Callback function, returns an error or null and
* a DirectoryEntry reference
*/
- this.mkdir = function(path, callback) {
+ WebFS.prototype.mkdir = function(path, callback) {
var _self = this;
var errorHandler = function(error) {
@@ -253,7 +297,7 @@ var WebFS = function(fs) {
* @param {Function} callback Callback function, returns an error or null and
* an array of entries
*/
- this.readdir = function(path, callback) {
+ WebFS.prototype.readdir = function(path, callback) {
var _self = this;
var errorHandler = function(error) {
@@ -271,12 +315,11 @@ var WebFS = function(fs) {
/**
* Opens a file and returns a FileEntry reference
* @param {String} path The path of the directory to remove
- * @param {String} flags Unused, provided for compatibility
- * @param {Number} mode Unused, provied for compatibility
+ * @param {String} options Options used for creation of file
* @param {Function} callback Callback function, returns an error or null and
* a reference to a FileEntry
*/
- this.open = function(path, flags, mode, callback) {
+ WebFS.prototype.openFile = function(path, options, callback) {
var _self = this;
var errorHandler = function(error) {
@@ -287,19 +330,38 @@ var WebFS = function(fs) {
callback(null, fileHandler);
};
- this.fs.root.getFile(path, {create: false}, successHandler, errorHandler);
+ this.fs.root.getFile(path, options, successHandler, errorHandler);
+ };
+
+ /**
+ * Opens a file and returns a FileEntry reference
+ * @param {String} path The path of the directory to remove
+ * @param {String} options Options used for creation of file
+ * @param {Function} callback Callback function, returns an error or null and
+ * a reference to a FileEntry
+ */
+ WebFS.prototype.openDir = function(path, options, callback) {
+ var _self = this;
+
+ var errorHandler = function(error) {
+ callback(_self.errorHandler(error));
+ };
+
+ var successHandler = function(dirHandler) {
+ callback(null, dirHandler);
+ };
+
+ this.fs.root.getDirectory(path, options, successHandler, errorHandler);
};
/**
* Writes the contents of a Blob or File to a FileEntry on the filesystem
* @param {FileEntry} fd The FileEntry to be written to
* @param {Mixed} buffer The File or Blob to be read from
- * @param {Number} offset The number of bytes to offset the read from the buffer
- * @param {Number} length The length of bytes to read from the buffer
- * @param {Number} position The position in bytes to begin writing to
+ * @param {Number} options The options to be passed
* @param {Function} callback Callback function, only returns an error or null
*/
- this.write = function(fd, buffer, offset, length, position, callback, progress) {
+ WebFS.prototype.write = function(fileHandler, buffer, options, callback, progress) {
var _self = this,
data;
@@ -308,15 +370,15 @@ var WebFS = function(fs) {
};
// Offset can be 0, but length must always be a value > 1
- if (offset !== null || offset != 'undefined' && length)
- data = buffer.slice(offset, length);
+ if (options && (options.offset !== null || options.offset != 'undefined' && options.length))
+ data = buffer.slice(options.offset, options.length);
else
data = buffer;
var writerHandler = function(fileWriter) {
// If we have a position we want to seek to append
- if (position)
- fileWriter.seek(position);
+ if (options.position)
+ fileWriter.seek(options.position);
fileWriter.onwriteend = function(e) {
callback(null, this.result, e);
@@ -327,36 +389,31 @@ var WebFS = function(fs) {
fileWriter.write(data);
};
- fd.createWriter(writerHandler, errorHandler);
+ fileHandler.createWriter(writerHandler, errorHandler);
};
- this.writeFile = function(filename, buffer, encoding, callback, progress) {
- var _self = this,
- data;
-
- /*
- switch(encoding) {
- case 'ascii':
-
- break;
- case 'utf-8':
-
- break;
-
- case 'binary':
-
- break;
- default:
- data = buffer;
- }*/
+ /**
+ * Writes a Blob or File to the passed filename
+ * @param {String} filename The filename to be created
+ * @param {Mixed} buffer The blob or File containing the file data
+ * @param {Function} callback Callback Function
+ */
+ WebFS.prototype.writeFile = function(filename, buffer, options, callback, progress) {
+ var _self = this;
- this.open(filename, null, null, function(error, fileHandler) {
- _self.write(fileHandler, buffer, null, null, null, callback, progress);
+ this.open(filename, options, function(error, fileHandler) {
+ if (error)
+ return callback(error);
+ _self.truncate(fileHandler, 0, function(error) {
+ if (error)
+ return callback(error);
+ _self.write(fileHandler, buffer, options, callback, progress);
+ });
});
};
- this.read = function(fd, buffer, offset, length, position, callback, progress) {
+ WebFS.prototype.read = function(fileHandler, buffer, options, callback, progress) {
var _self = this,
data;
@@ -364,11 +421,11 @@ var WebFS = function(fs) {
callback(_self.errorHandler(error));
};
- fd.file(function(file) {
+ fileHandler.file(function(file) {
var reader = new FileReader();
reader.onloadend = function(e) {
- if (offset !== null || offset != 'undefined' && length)
+ if (options && (options.offset !== null || options.offset != 'undefined' && options.length))
data = this.result.slice(offset, length);
else
data = this.result;
@@ -384,7 +441,7 @@ var WebFS = function(fs) {
});
};
- this.readFile = function(filename, encoding, callback, position) {
+ WebFS.prototype.readFile = function(filename, encoding, callback, position) {
var _self = this;
var errorHandler = function(error) {
@@ -397,4 +454,6 @@ var WebFS = function(fs) {
this.open(filename, null, null, successHandler);
};
-})(WebFS.prototype);
+
+ return WebFS;
+})();
View
42 test.html
@@ -0,0 +1,42 @@
+<!doctype html>
+<html>
+ <head>
+ <title>Upload Test</title>
+ <script type="text/javascript" src="jquery.js"></script>
+ <script type="text/javascript" src="lib/webfs.js"></script>
+ <script type="text/javascript" src="lib/webfs-util.js"></script>
+ </head>
+
+ <body>
+ <form id="u" method="post" action=".">
+ <input type="file" id="uploadfile" />
+ <br />
+ <input type="submit" />
+ </form>
+ <div id="progress"></div>
+
+ <script type="text/javascript">
+
+ webkitRequestFileSystem(TEMPORARY, 1024*1024*1024, function(fileSystemHandler) {
+ var fs = new WebFS(fileSystemHandler);
+
+ $('#u').submit(function(e) {
+ progressText = '';
+ e.preventDefault();
+ var file = $('#uploadfile')[0].files[0];
+
+ fs.writeFile(file.fileName, file, null, function(handler) {
+ console.log(handler);
+ }, function(progress) {
+ $('#progress').text(progress.loaded + '/' + progress.total);
+ });
+ return false;
+ });
+
+ }, function(error) {
+ console.log(error);
+ });
+
+ </script>
+ </body>
+</html>
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