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Support for get/set xattrs.

This commit is contained in:
Alan Kligman 2012-11-15 06:24:00 -05:00
parent de463a36c1
commit 91aefa7e54
1 changed files with 61 additions and 2 deletions
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63
src/fs.js
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@ -416,10 +416,69 @@ define(function(require) {
}; };
}; };
FileSystem.prototype.setxattr = function setxattr(fullpath, name, value, callback, optTransaction) { FileSystem.prototype.setxattr = function setxattr(fullpath, name, value, callback, optTransaction) {
var fs = this;
fullpath = Path.normalize(fullpath);
var transaction = optTransaction || new fs.Transaction([METADATA_STORE_NAME, FILE_STORE_NAME], IDB_RW);
var metadata = transaction.objectStore(METADATA_STORE_NAME);
var files = transaction.objectStore(FILE_STORE_NAME);
var getEntryRequest = metadata.get(fullpath);
getEntryRequest.onsuccess = function(e) {
var entry = e.target.result;
if(!entry) {
runCallback(callback, new error.ENoEntry());
} else {
var getFileRequest = files.get(entry.file);
getFileRequest.onsuccess = function(e) {
var file = e.target.result;
file.xattrs[name] = value;
var putFileRequest = files.put(file, entry.file);
putFileRequest.onsuccess = function(e) {
runCallback(callback);
};
putFileRequest.onerror = function(e) {
runCallback(callback, e);
};
};
getFileRequest.onerror = function(e) {
runCallback(callback, e);
};
}
};
getEntryRequest.onerror = function(e) {
runCallback(callback, e);
};
}; };
FileSystem.prototype.getxattr = function getxattr(fullpath, name, callback, optTransaction) { FileSystem.prototype.getxattr = function getxattr(fullpath, name, callback, optTransaction) {
var fs = this;
fullpath = Path.normalize(fullpath);
var transaction = optTransaction || new fs.Transaction([METADATA_STORE_NAME, FILE_STORE_NAME], IDB_RO);
var metadata = transaction.objectStore(METADATA_STORE_NAME);
var files = transaction.objectStore(FILE_STORE_NAME);
var getEntryRequest = metadata.get(fullpath);
getEntryRequest.onsuccess = function(e) {
var entry = e.target.result;
if(!entry) {
runCallback(callback, new error.ENoEntry());
} else {
var getFileRequest = files.get(entry.file);
getFileRequest.onsuccess = function(e) {
var file = e.target.result;
runCallback(callback, null, file.xattrs[name]);
};
getFileRequest.onerror = function(e) {
runCallback(callback, e);
};
}
};
getEntryRequest.onerror = function(e) {
runCallback(callback, e);
};
}; };
function FileSystemContext(fs, optCwd) { function FileSystemContext(fs, optCwd) {
@ -458,10 +517,10 @@ define(function(require) {
this._fs.unlink(Path.normalize(this._cwd + "/" + path), callback); this._fs.unlink(Path.normalize(this._cwd + "/" + path), callback);
}; };
FileSystemContext.prototype.setxattr = function setxattr(path, name, value, callback) { FileSystemContext.prototype.setxattr = function setxattr(path, name, value, callback) {
this._fs.setxattr(Path.normalize(this._cwd + "/" + path), name, value, callback);
}; };
FileSystemContext.prototype.getxattr = function getxattr(path, name, callback) { FileSystemContext.prototype.getxattr = function getxattr(path, name, callback) {
this._fs.getxattr(Path.normalize(this._cwd + "/" + path), name, callback);
}; };
function OpenFile(fs, entry, flags, mode, size) { function OpenFile(fs, entry, flags, mode, size) {