raptor/lib/raptor/xml/sax/BaseSaxParser.js

RaptorJS provides an AMD module loader that works in Node, Rhino and the web browser. It also includes various sub-modules to support building optimized web applications.

/*
 * Copyright 2011 eBay Software Foundation
 *
 * Licensed 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.
 */

define.Class(
    "raptor/xml/sax/BaseSaxParser",
    ['raptor'],
    function(raptor, require) {
        "use strict";
        
        var listeners = require('raptor/listeners'),
            arrayFromArguments = raptor.arrayFromArguments;
        
        var BaseSaxParser = function() {
            this.observable = listeners.createObservable(['startElement', 'endElement', 'characters', 'cdata', 'comment', 'error']);
        };
        
        BaseSaxParser.prototype = {
            on: function(events, thisObj) {
                this.observable.subscribe.apply(this.observable, arguments);
            },
            
            _startElement: function(el) {
                this.observable.publish("startElement", el);
            },
            
            _endElement: function(el) {
                this.observable.publish("endElement", el);
            },
            
            _characters: function(text) {
                //Normalize EOL sequence...
                text = text.replace(/\r\n|\r/g, "\n");
                this.observable.publish("characters", text);
            },
            
            _cdata: function(text) {
                //Normalize EOL sequence...
                text = text.replace(/\r\n|\r/g, "\n");
                this.observable.publish("cdata", text);
            },
            
            _comment: function(comment) {
                this.observable.publish("comment", comment);
            },
            
            _error: function() {
                var args = arrayFromArguments(arguments);
                this.observable.publish("error", args);
            },
            
            getPos: function() {
                return "(unknown)";
            }
        };
        
        return BaseSaxParser;
        
    });