/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
var Guacamole = Guacamole || {};
/**
* A reader which automatically handles the given input stream, returning
* strictly text data. Note that this object will overwrite any installed event
* handlers on the given Guacamole.InputStream.
*
* @constructor
* @param {!Guacamole.InputStream} stream
* The stream that data will be read from.
*/
Guacamole.StringReader = function(stream) {
/**
* Reference to this Guacamole.InputStream.
*
* @private
* @type {!Guacamole.StringReader}
*/
var guac_reader = this;
/**
* Parser for received UTF-8 data.
*
* @type {!Guacamole.UTF8Parser}
*/
var utf8Parser = new Guacamole.UTF8Parser();
/**
* Wrapped Guacamole.ArrayBufferReader.
*
* @private
* @type {!Guacamole.ArrayBufferReader}
*/
var array_reader = new Guacamole.ArrayBufferReader(stream);
// Receive blobs as strings
array_reader.ondata = function(buffer) {
// Decode UTF-8
var text = utf8Parser.decode(buffer);
// Call handler, if present
if (guac_reader.ontext)
guac_reader.ontext(text);
};
// Simply call onend when end received
array_reader.onend = function() {
if (guac_reader.onend)
guac_reader.onend();
};
/**
* Fired once for every blob of text data received.
*
* @event
* @param {!string} text
* The data packet received.
*/
this.ontext = null;
/**
* Fired once this stream is finished and no further data will be written.
* @event
*/
this.onend = null;
};