1 | /*
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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4 | *
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5 | * == BEGIN LICENSE ==
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6 | *
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7 | * Licensed under the terms of any of the following licenses at your
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8 | * choice:
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9 | *
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10 | * - GNU General Public License Version 2 or later (the "GPL")
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11 | * http://www.gnu.org/licenses/gpl.html
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12 | *
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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14 | * http://www.gnu.org/licenses/lgpl.html
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15 | *
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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18 | *
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19 | * == END LICENSE ==
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20 | *
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21 | * FCKXml Class: class to load and manipulate XML files.
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22 | */
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23 |
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24 | FCKXml.prototype =
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25 | {
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26 | LoadUrl : function( urlToCall )
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27 | {
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28 | this.Error = false ;
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29 |
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30 | var oXml ;
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31 | var oXmlHttp = FCKTools.CreateXmlObject( 'XmlHttp' ) ;
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32 | oXmlHttp.open( 'GET', urlToCall, false ) ;
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33 | oXmlHttp.send( null ) ;
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34 |
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35 | if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 || ( oXmlHttp.status == 0 && oXmlHttp.readyState == 4 ) )
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36 | {
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37 | oXml = oXmlHttp.responseXML ;
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38 | // #1426: Fallback if responseXML isn't set for some
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39 | // reason (e.g. improperly configured web server)
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40 | if ( !oXml )
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41 | oXml = (new DOMParser()).parseFromString( oXmlHttp.responseText, 'text/xml' ) ;
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42 | }
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43 | else
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44 | oXml = null ;
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45 |
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46 | if ( oXml )
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47 | {
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48 | // Try to access something on it.
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49 | try
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50 | {
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51 | var test = oXml.firstChild ;
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52 | }
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53 | catch (e)
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54 | {
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55 | // If document.domain has been changed (#123), we'll have a security
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56 | // error at this point. The workaround here is parsing the responseText:
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57 | // http://alexander.kirk.at/2006/07/27/firefox-15-xmlhttprequest-reqresponsexml-and-documentdomain/
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58 | oXml = (new DOMParser()).parseFromString( oXmlHttp.responseText, 'text/xml' ) ;
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59 | }
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60 | }
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61 |
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62 | if ( !oXml || !oXml.firstChild )
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63 | {
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64 | this.Error = true ;
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65 | if ( window.confirm( 'Error loading "' + urlToCall + '" (HTTP Status: ' + oXmlHttp.status + ').\r\nDo you want to see the server response dump?' ) )
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66 | alert( oXmlHttp.responseText ) ;
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67 | }
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68 |
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69 | this.DOMDocument = oXml ;
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70 | },
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71 |
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72 | SelectNodes : function( xpath, contextNode )
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73 | {
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74 | if ( this.Error )
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75 | return new Array() ;
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76 |
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77 | var aNodeArray = new Array();
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78 |
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79 | var xPathResult = this.DOMDocument.evaluate( xpath, contextNode ? contextNode : this.DOMDocument,
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80 | this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), XPathResult.ORDERED_NODE_ITERATOR_TYPE, null) ;
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81 | if ( xPathResult )
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82 | {
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83 | var oNode = xPathResult.iterateNext() ;
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84 | while( oNode )
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85 | {
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86 | aNodeArray[aNodeArray.length] = oNode ;
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87 | oNode = xPathResult.iterateNext();
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88 | }
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89 | }
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90 | return aNodeArray ;
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91 | },
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92 |
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93 | SelectSingleNode : function( xpath, contextNode )
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94 | {
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95 | if ( this.Error )
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96 | return null ;
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97 |
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98 | var xPathResult = this.DOMDocument.evaluate( xpath, contextNode ? contextNode : this.DOMDocument,
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99 | this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), 9, null);
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100 |
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101 | if ( xPathResult && xPathResult.singleNodeValue )
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102 | return xPathResult.singleNodeValue ;
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103 | else
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104 | return null ;
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105 | }
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106 | } ;
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