MaketRandevu/rsc/scripts/jsdoc/rhino/fs.js
2013-07-02 17:20:39 +00:00

176 lines
4.5 KiB
JavaScript

/*global Packages: true */
/**
* Partial Rhino shim for Node.js' `fs` module.
* @see http://nodejs.org/api/fs.html
*/
var path = require('path');
var asyncify = path._asyncify;
function checkEncoding(enc, name) {
// we require the `encoding` parameter for Node.js compatibility; on Node.js, if you omit the
// encoding, you get a stream instead of a string
if (!enc || typeof enc === 'function') {
throw new Error(name + ' requires an encoding on Rhino!');
}
// Node.js wants 'utf8', but Java wants 'utf-8'
if (enc === 'utf8') {
enc = 'utf-8';
}
return enc;
}
exports.readFileSync = function(filename, encoding) {
encoding = checkEncoding(encoding, 'fs.readFile[Sync]');
return readFile(filename, encoding);
};
exports.readFile = asyncify(exports.readFileSync);
// in node 0.8, path.exists() and path.existsSync() moved to the "fs" module
exports.existsSync = path.existsSync;
exports.exists = path.exists;
var statSync = exports.statSync = function(_path) {
var f = new java.io.File(_path);
return {
isFile: function() {
return f.isFile();
},
isDirectory: function() {
return f.isDirectory();
}
};
};
exports.stat = asyncify(statSync);
var readdirSync = exports.readdirSync = function(_path) {
var dir;
var files;
dir = new java.io.File(_path);
if (!dir.directory) {
throw new Error("ENOENT, no such file or directory '" + _path + "'");
}
files = dir.list();
// Convert files to Javascript strings so they play nice with node modules
files = files.map(function(fileName) {
return String(fileName);
});
return files;
};
exports.readdir = asyncify(readdirSync);
// JSDoc extension to `fs` module
var ls = exports.ls = function(dir, recurse, _allFiles, _path) {
var files,
file;
if (typeof _path === 'undefined') { // initially
_allFiles = [];
_path = [dir];
}
if (_path.length === 0) { return _allFiles; }
if (typeof recurse === 'undefined') { recurse = 1; }
if ( statSync(dir).isFile(dir) ) {
files = [dir];
}
else {
files = readdirSync(dir);
}
for (var f = 0, lenf = files.length; f < lenf; f++) {
file = String(files[f]);
if (file.match(/^\.[^\.\/\\]/)) { continue; } // skip dot files
if ((new java.io.File(_path.join('/') + '/' + file)).list()) { // it's a directory
_path.push(file);
if (_path.length - 1 < recurse) {
ls(_path.join('/'), recurse, _allFiles, _path);
}
_path.pop();
}
else { // it's a file
_allFiles.push(
path.normalize(_path.join('/') + '/' + file)
);
}
}
return _allFiles;
};
// JSDoc extension to `fs` module
var toDir = exports.toDir = function(_path) {
var f = new java.io.File(_path);
if (f.isDirectory()){
return _path;
} else {
return path.dirname(_path);
}
};
var mkdirSync = exports.mkdirSync = function(_path) {
var dir_path = toDir(_path);
(new java.io.File(dir_path)).mkdir();
};
exports.mkdir = asyncify(mkdirSync);
// JSDoc extension to `fs` module
exports.mkPath = function(/**Array*/ _path) {
if (_path.constructor == Array) { _path = _path.join(''); }
(new java.io.File(_path)).mkdirs();
};
// JSDoc extension to `fs` module
exports.copyFileSync = function(inFile, outDir, fileName) {
if (fileName == null){fileName = path.basename(inFile);}
outDir = toDir(outDir);
inFile = new java.io.File(inFile);
var outFile = new java.io.File(outDir+'/'+fileName);
var bis = new Packages.java.io.BufferedInputStream(new Packages.java.io.FileInputStream(inFile), 4096);
var bos = new Packages.java.io.BufferedOutputStream(new Packages.java.io.FileOutputStream(outFile), 4096);
var theChar;
while ((theChar = bis.read()) != -1) {
bos.write(theChar);
}
bos.close();
bis.close();
};
exports.copyFile = asyncify(exports.copyFileSync);
exports.writeFileSync = function(filename, data, encoding) {
encoding = checkEncoding(encoding, 'fs.writeFile[Sync]');
var out = new Packages.java.io.PrintWriter(
new Packages.java.io.OutputStreamWriter(
new Packages.java.io.FileOutputStream(filename),
encoding
)
);
try {
out.write(data);
}
finally {
out.flush();
out.close();
}
};
exports.writeFile = asyncify(exports.writeFileSync);