From fdc1028cfd9e6563dbbe950cdd539559ce8d6353 Mon Sep 17 00:00:00 2001 From: Alexander Sulfrian Date: Wed, 25 Apr 2012 00:13:37 +0200 Subject: emacs: added some additional modes --- .../node_modules/formidable/lib/incoming_form.js | 349 +++++++++++++++++++++ 1 file changed, 349 insertions(+) create mode 100644 emacs.d/lisp/jshint-mode/node_modules/formidable/lib/incoming_form.js (limited to 'emacs.d/lisp/jshint-mode/node_modules/formidable/lib/incoming_form.js') diff --git a/emacs.d/lisp/jshint-mode/node_modules/formidable/lib/incoming_form.js b/emacs.d/lisp/jshint-mode/node_modules/formidable/lib/incoming_form.js new file mode 100644 index 0000000..62c9e3b --- /dev/null +++ b/emacs.d/lisp/jshint-mode/node_modules/formidable/lib/incoming_form.js @@ -0,0 +1,349 @@ +if (global.GENTLY) require = GENTLY.hijack(require); + +var util = require('./util'), + path = require('path'), + File = require('./file'), + MultipartParser = require('./multipart_parser').MultipartParser, + QuerystringParser = require('./querystring_parser').QuerystringParser, + StringDecoder = require('string_decoder').StringDecoder, + EventEmitter = require('events').EventEmitter; + +function IncomingForm() { + if (!(this instanceof IncomingForm)) return new IncomingForm; + EventEmitter.call(this); + + this.error = null; + this.ended = false; + + this.maxFieldsSize = 2 * 1024 * 1024; + this.keepExtensions = false; + this.uploadDir = '/tmp'; + this.encoding = 'utf-8'; + this.headers = null; + this.type = null; + + this.bytesReceived = null; + this.bytesExpected = null; + + this._parser = null; + this._flushing = 0; + this._fieldsSize = 0; +}; +util.inherits(IncomingForm, EventEmitter); +exports.IncomingForm = IncomingForm; + +IncomingForm.prototype.parse = function(req, cb) { + this.pause = function() { + try { + req.pause(); + } catch (err) { + // the stream was destroyed + if (!this.ended) { + // before it was completed, crash & burn + this._error(err); + } + return false; + } + return true; + }; + + this.resume = function() { + try { + req.resume(); + } catch (err) { + // the stream was destroyed + if (!this.ended) { + // before it was completed, crash & burn + this._error(err); + } + return false; + } + + return true; + }; + + this.writeHeaders(req.headers); + + var self = this; + req + .on('error', function(err) { + self._error(err); + }) + .on('aborted', function() { + self.emit('aborted'); + }) + .on('data', function(buffer) { + self.write(buffer); + }) + .on('end', function() { + if (self.error) { + return; + } + + var err = self._parser.end(); + if (err) { + self._error(err); + } + }); + + if (cb) { + var fields = {}, files = {}; + this + .on('field', function(name, value) { + fields[name] = value; + }) + .on('file', function(name, file) { + files[name] = file; + }) + .on('error', function(err) { + cb(err, fields, files); + }) + .on('end', function() { + cb(null, fields, files); + }); + } + + return this; +}; + +IncomingForm.prototype.writeHeaders = function(headers) { + this.headers = headers; + this._parseContentLength(); + this._parseContentType(); +}; + +IncomingForm.prototype.write = function(buffer) { + if (!this._parser) { + this._error(new Error('unintialized parser')); + return; + } + + this.bytesReceived += buffer.length; + this.emit('progress', this.bytesReceived, this.bytesExpected); + + var bytesParsed = this._parser.write(buffer); + if (bytesParsed !== buffer.length) { + this._error(new Error('parser error, '+bytesParsed+' of '+buffer.length+' bytes parsed')); + } + + return bytesParsed; +}; + +IncomingForm.prototype.pause = function() { + // this does nothing, unless overwritten in IncomingForm.parse + return false; +}; + +IncomingForm.prototype.resume = function() { + // this does nothing, unless overwritten in IncomingForm.parse + return false; +}; + +IncomingForm.prototype.onPart = function(part) { + // this method can be overwritten by the user + this.handlePart(part); +}; + +IncomingForm.prototype.handlePart = function(part) { + var self = this; + + if (!part.filename) { + var value = '' + , decoder = new StringDecoder(this.encoding); + + part.on('data', function(buffer) { + self._fieldsSize += buffer.length; + if (self._fieldsSize > self.maxFieldsSize) { + self._error(new Error('maxFieldsSize exceeded, received '+self._fieldsSize+' bytes of field data')); + return; + } + value += decoder.write(buffer); + }); + + part.on('end', function() { + self.emit('field', part.name, value); + }); + return; + } + + this._flushing++; + + var file = new File({ + path: this._uploadPath(part.filename), + name: part.filename, + type: part.mime, + }); + + this.emit('fileBegin', part.name, file); + + file.open(); + + part.on('data', function(buffer) { + self.pause(); + file.write(buffer, function() { + self.resume(); + }); + }); + + part.on('end', function() { + file.end(function() { + self._flushing--; + self.emit('file', part.name, file); + self._maybeEnd(); + }); + }); +}; + +IncomingForm.prototype._parseContentType = function() { + if (!this.headers['content-type']) { + this._error(new Error('bad content-type header, no content-type')); + return; + } + + if (this.headers['content-type'].match(/urlencoded/i)) { + this._initUrlencoded(); + return; + } + + if (this.headers['content-type'].match(/multipart/i)) { + var m; + if (m = this.headers['content-type'].match(/boundary=(?:"([^"]+)"|([^;]+))/i)) { + this._initMultipart(m[1] || m[2]); + } else { + this._error(new Error('bad content-type header, no multipart boundary')); + } + return; + } + + this._error(new Error('bad content-type header, unknown content-type: '+this.headers['content-type'])); +}; + +IncomingForm.prototype._error = function(err) { + if (this.error) { + return; + } + + this.error = err; + this.pause(); + this.emit('error', err); +}; + +IncomingForm.prototype._parseContentLength = function() { + if (this.headers['content-length']) { + this.bytesReceived = 0; + this.bytesExpected = parseInt(this.headers['content-length'], 10); + } +}; + +IncomingForm.prototype._newParser = function() { + return new MultipartParser(); +}; + +IncomingForm.prototype._initMultipart = function(boundary) { + this.type = 'multipart'; + + var parser = new MultipartParser(), + self = this, + headerField, + headerValue, + part; + + parser.initWithBoundary(boundary); + + parser.onPartBegin = function() { + part = new EventEmitter(); + part.headers = {}; + part.name = null; + part.filename = null; + part.mime = null; + headerField = ''; + headerValue = ''; + }; + + parser.onHeaderField = function(b, start, end) { + headerField += b.toString(self.encoding, start, end); + }; + + parser.onHeaderValue = function(b, start, end) { + headerValue += b.toString(self.encoding, start, end); + }; + + parser.onHeaderEnd = function() { + headerField = headerField.toLowerCase(); + part.headers[headerField] = headerValue; + + var m; + if (headerField == 'content-disposition') { + if (m = headerValue.match(/name="([^"]+)"/i)) { + part.name = m[1]; + } + + if (m = headerValue.match(/filename="([^;]+)"/i)) { + part.filename = m[1].substr(m[1].lastIndexOf('\\') + 1); + } + } else if (headerField == 'content-type') { + part.mime = headerValue; + } + + headerField = ''; + headerValue = ''; + }; + + parser.onHeadersEnd = function() { + self.onPart(part); + }; + + parser.onPartData = function(b, start, end) { + part.emit('data', b.slice(start, end)); + }; + + parser.onPartEnd = function() { + part.emit('end'); + }; + + parser.onEnd = function() { + self.ended = true; + self._maybeEnd(); + }; + + this._parser = parser; +}; + +IncomingForm.prototype._initUrlencoded = function() { + this.type = 'urlencoded'; + + var parser = new QuerystringParser() + , self = this; + + parser.onField = function(key, val) { + self.emit('field', key, val); + }; + + parser.onEnd = function() { + self.ended = true; + self._maybeEnd(); + }; + + this._parser = parser; +}; + +IncomingForm.prototype._uploadPath = function(filename) { + var name = ''; + for (var i = 0; i < 32; i++) { + name += Math.floor(Math.random() * 16).toString(16); + } + + if (this.keepExtensions) { + name += path.extname(filename); + } + + return path.join(this.uploadDir, name); +}; + +IncomingForm.prototype._maybeEnd = function() { + if (!this.ended || this._flushing) { + return; + } + + this.emit('end'); +}; -- cgit v1.2.3