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annotate xul/content/rdfds.js @ 293:126684ac4a37

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Servlet version 1.5.0b -- the beginning of the next generation :-) - code restructuring to improve scaleability - new Initialiser servlet that must be run first - image transformation work moved to DigilibImageWorker class - Maximum number of concurrent threads limited by Semaphore - old JIMI toolkit implementation removed
author robcast
date Sun, 24 Oct 2004 20:23:49 +0200
parents bf945fcf9105
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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2 * The contents of this file are subject to the Mozilla Public
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3 * License Version 1.1 (the "License"); you may not use this file
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4 * except in compliance with the License. You may obtain a copy of
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5 * the License at http://www.mozilla.org/MPL/
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6 *
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7 * Software distributed under the License is distributed on an "AS
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8 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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9 * implied. See the License for the specific language governing
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10 * rights and limitations under the License.
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11 *
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12 * The Original Code is rdfds
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13 *
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14 * The Initial Developer of the Original Code is Neil Deakin
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15 * Portions created by Neil Deakin are Copyright (C) 2002 Neil Deakin.
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16 * All Rights Reserved.
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17 *
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18 * Contributor(s):
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19 */
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20
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21 /* This is a library for easier access to RDF datasources and resources.
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22 * It contains four objects, RDFDataSource, RDFNode, RDFLiteral. and
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23 * RDFEnumerator.
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24 *
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25 * An RDF DataSource is a graph of nodes and literals. The constructor
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26 * for RDFDataSource takes one argument, a URI of an RDF file to use.
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27 * If the URI exists, the contents of the RDF file are loaded. If it
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28 * does not exist, resources can be added to it and then written using
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29 * this save method. If the URL argument is null, a blank datasource
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30 * is created.
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31 *
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32 * This library is designed for convenience not for efficiency.
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33 *
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34 * The API is documented at:
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35 * http://www.xulplanet.com/tutorials/xultu/rdfds/
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36 *
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37 * Example:
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38 *
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39 * var ds=new RDFDataSource("file:///main/mozilla/mimtest.rdf");
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40 * var node=ds.getNode("urn:xpimaker:packlist");
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41 * var child=ds.getNode("urn:xpimaker:packlist:appinfo");
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42 * child=node.addChild(child);
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43 * child.addTarget("http://www.xulplanet.com/rdf/xpimaker#appname","Find Files");
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44 * ds.save();
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45 *
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46 */
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47
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48 var RDFService = "@mozilla.org/rdf/rdf-service;1";
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49 RDFService = Components.classes[RDFService].getService();
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50 RDFService = RDFService.QueryInterface(Components.interfaces.nsIRDFService);
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51
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52 var RDFContainerUtilsService = "@mozilla.org/rdf/container-utils;1";
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53 RDFContainerUtilsService = Components.classes[RDFContainerUtilsService].getService();
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54 RDFContainerUtilsService = RDFContainerUtilsService.QueryInterface(Components.interfaces.nsIRDFContainerUtils);
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55
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56 /* RDFLoadObserver
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57 * this object is necessary to listen to RDF files being loaded. The Init
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58 * function should be called to initialize the callback when the RDF file is
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59 * loaded.
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60 */
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61 function RDFLoadObserver(){}
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62
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63 RDFLoadObserver.prototype =
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64 {
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65 callback: null,
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66 callbackDataSource: null,
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67
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68 Init: function(c,cDS){
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69 this.callback=c;
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70 this.callbackDataSource=cDS;
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71 },
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72
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73 QueryInterface: function(iid){
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74 if (iid.equals(Components.interfaces.nsIRDFXMLSinkObserver)) return this;
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75 else throw Components.results.NS_ERROR_NO_INTERFACE;
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76 },
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77
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78 onBeginLoad : function(sink){},
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79 onInterrupt : function(sink){},
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80 onResume : function(sink){},
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81 onError : function(sink,status,msg){},
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82
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83 onEndLoad : function(sink){
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84 if (this.callback!=null) this.callback(this.callbackDataSource);
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85 }
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86 };
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87
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88 function RDFDataSource(uri,callbackFn)
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89 {
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90 if (uri==null) this.datasource=null;
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91 else this.load(uri,callbackFn);
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92 }
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93
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94 RDFDataSource.prototype.load=
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95 function(uri,callbackFn)
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96 {
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97 if (uri.indexOf(":") == -1){
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98 var docurl=document.location.href;
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99 if (document.location.pathname == null) uri=docurl+"/"+uri;
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100 else uri=docurl.substring(0,docurl.lastIndexOf("/")+1)+uri;
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101 }
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102
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103 if (callbackFn == null){
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104 this.datasource=RDFService.GetDataSourceBlocking(uri);
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105 }
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106 else {
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107 this.datasource=RDFService.GetDataSource(uri);
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108 var ds;
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109 try {
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110 var ds=this.datasource.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource);
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111 }
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112 catch (ex){
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113 callbackFn(this);
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114 return;
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115 }
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116 if (ds.loaded){
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117 callbackFn(this);
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118 return;
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119 }
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120
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121 var packObserver=new RDFLoadObserver();
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122 packObserver.Init(callbackFn,this);
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123
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124 var rawsource=this.datasource;
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125 rawsource=rawsource.QueryInterface(Components.interfaces.nsIRDFXMLSink);
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126 rawsource.addXMLSinkObserver(packObserver);
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127 }
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128 }
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129
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130 RDFDataSource.prototype.Init=
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131 function (dsource)
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132 {
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133 this.datasource=dsource;
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134 }
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135
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136 RDFDataSource.prototype.parseFromString=
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137 function (str,baseUri)
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138 {
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139 if (this.datasource==null) this.makeemptyds();
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140 var ios=Components.classes["@mozilla.org/network/io-service;1"]
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141 .getService(Components.interfaces.nsIIOService);
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142 baseUri=ios.newURI(baseUri,null,null);
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143 var xmlParser=Components.classes["@mozilla.org/rdf/xml-parser;1"]
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144 .createInstance(Components.interfaces.nsIRDFXMLParser);
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145 xmlParser.parseString(this.datasource,baseUri,str);
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146 }
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147
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148 RDFDataSource.prototype.serializeToString=
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149 function ()
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150 {
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151 var outputStream = {
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152 data: "",
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153 close : function(){},
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154 flush : function(){},
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155 write : function (buffer,count){
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156 this.data += buffer;
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157 return count;
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158 },
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159 writeFrom : function (stream,count){},
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160 isNonBlocking: false
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161 }
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162 this.serializeToStream(outputStream);
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163 return outputStream.data;
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164 }
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165
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166 RDFDataSource.prototype.serializeToStream=
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167 function (outputStream)
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168 {
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169 var ser=Components.classes["@mozilla.org/rdf/xml-serializer;1"]
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170 .createInstance(Components.interfaces.nsIRDFXMLSerializer);
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171 ser.init(this.datasource);
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172 ser.QueryInterface(Components.interfaces.nsIRDFXMLSource).Serialize(outputStream);
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173 }
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174
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175 RDFDataSource.prototype.makeemptyds=
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176 function (uri)
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177 {
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178 this.datasource=Components.classes["@mozilla.org/rdf/datasource;1?name=in-memory-datasource"]
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179 .createInstance(Components.interfaces.nsIRDFDataSource);
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180 }
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181
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182 RDFDataSource.prototype.getAllResources=
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183 function ()
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184 {
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185 if (this.datasource==null) return null;
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186 return new RDFEnumerator(this.datasource.GetAllResources(),this.datasource);
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187 }
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188
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189 RDFDataSource.prototype.getRawDataSource=
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190 function ()
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191 {
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192 if (this.datasource==null) this.makeemptyds();
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193 return this.datasource;
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194 }
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195
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196 RDFDataSource.prototype.getNode=
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197 function (uri)
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198 {
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199 if (this.datasource==null) this.makeemptyds();
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200 var node=new RDFNode(uri,this);
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201 return node;
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202 }
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203
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204 RDFDataSource.prototype.getAnonymousNode=
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205 function ()
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206 {
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207 if (this.datasource==null) this.makeemptyds();
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208
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209 var anon=RDFService.GetAnonymousResource();
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210 var node=new RDFNode();
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211 node.Init(anon,this.datasource);
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212 return node;
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213 }
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214
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215 RDFDataSource.prototype.getLiteral=
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216 function (uri)
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217 {
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218 if (this.datasource==null) this.makeemptyds();
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219
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220 return new RDFLiteral(uri,this);
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221 }
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222
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223 RDFDataSource.prototype.refresh=
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224 function (sync)
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225 {
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226 try {
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227 var ds=this.datasource.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource);
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228 ds.Refresh(sync);
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229 return true;
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230 }
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231 catch (ex){
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232 return false;
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233 }
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234 }
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235
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236 RDFDataSource.prototype.save=
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237 function ()
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238 {
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239 try {
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240 var ds=this.datasource.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource);
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241 ds.Flush();
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242 return true;
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243 }
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244 catch (ex){
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245 return false;
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246 }
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247 }
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248
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249 RDFDataSource.prototype.copyAllToDataSource=
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250 function (dsource2)
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251 {
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252 if (this.datasource==null) this.makeemptyds();
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253 if (dsource2.datasource==null) dsource2.makeemptyds();
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254
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255 var dsource1=this.datasource;
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256 dsource2=dsource2.datasource;
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257
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258 var sourcelist=dsource1.GetAllResources();
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259 while(sourcelist.hasMoreElements()){
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260 var source=sourcelist.getNext();
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261 var props=dsource1.ArcLabelsOut(source);
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262 while(props.hasMoreElements()){
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263 var prop=props.getNext();
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264 prop=prop.QueryInterface(Components.interfaces.nsIRDFResource);
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265 var target=dsource1.GetTarget(source,prop,true);
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266 if (target!=null) dsource2.Assert(source,prop,target,true);
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267 }
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268 }
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269 }
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270
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271 RDFDataSource.prototype.deleteRecursive=
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272 function (val)
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273 {
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274 var node;
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275 var dsource=this.datasource;
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276
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277 if (dsource==null) return;
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278
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279 if (typeof val == "string") node=RDFService.GetResource(val);
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280 else node=val.source;
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281
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282 this.deleteRecursiveH(dsource,node); // remove descendants
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283
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284 // remove the node itself
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285 var props=dsource.ArcLabelsIn(node);
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286 while(props.hasMoreElements()){
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287 var prop=props.getNext();
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288 var source=dsource.GetSource(prop,node,true);
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289 dsource.Unassert(source,prop,node);
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290 }
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291 }
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292
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293 RDFDataSource.prototype.deleteRecursiveH=
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294 function (dsource,node)
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295 {
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296 var props=dsource.ArcLabelsOut(node);
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297 while(props.hasMoreElements()){
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298 var prop=props.getNext();
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299 var target=dsource.GetTarget(node,prop,true);
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300 try {
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301 target=target.QueryInterface(Components.interfaces.nsIRDFResource);
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302 this.deleteRecursiveH(dsource,target);
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303 }
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304 catch (e){}
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305 dsource.Unassert(node,prop,target)
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306 }
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307 }
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308
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309 function RDFNode(uri,dsource)
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310 {
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311 if (uri==null) this.source=null;
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312 else this.source=RDFService.GetResource(uri);
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313
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314 if (dsource==null) this.datasource=null;
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315 else this.datasource=dsource.datasource;
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316
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317 this.container=null;
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318 }
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319
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320 RDFNode.prototype.Init=
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321 function (source,dsource)
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322 {
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323 this.source=source;
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324 this.datasource=dsource;
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325 this.container=null;
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326 }
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327
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328 RDFNode.prototype.getValue=
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329 function ()
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330 {
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331 return this.source.Value;
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332 }
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333
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334 RDFNode.prototype.rlify=
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335 function (val)
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336 {
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337 var res=null;
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338
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339 if (val!=null){
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340 try {
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341 val=val.QueryInterface(Components.interfaces.nsIRDFResource);
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342 res=new RDFNode();
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343 res.Init(val,this.datasource);
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344 }
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345 catch (ex){
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346 try {
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347 val=val.QueryInterface(Components.interfaces.nsIRDFLiteral);
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348 res=new RDFLiteral();
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349 res.Init(val,this.datasource);
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350 }
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351 catch (ex2){
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352 }
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353 }
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354 }
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355 return res;
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356 }
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357
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358 RDFNode.prototype.makeres=
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parents:
diff changeset
359 function (val)
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parents:
diff changeset
360 {
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parents:
diff changeset
361 if (typeof val == "string") return RDFService.GetResource(val);
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parents:
diff changeset
362 else return val.source;
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parents:
diff changeset
363 }
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parents:
diff changeset
364
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diff changeset
365 RDFNode.prototype.makelit=
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parents:
diff changeset
366 function (val)
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parents:
diff changeset
367 {
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parents:
diff changeset
368 if (typeof val == "string") return RDFService.GetLiteral(val);
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parents:
diff changeset
369 else return val.source;
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parents:
diff changeset
370 }
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parents:
diff changeset
371
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parents:
diff changeset
372 RDFNode.prototype.makecontain=
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parents:
diff changeset
373 function ()
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parents:
diff changeset
374 {
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parents:
diff changeset
375 if (this.container!=null) return true;
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parents:
diff changeset
376
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parents:
diff changeset
377 var RDFContainer = '@mozilla.org/rdf/container;1';
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parents:
diff changeset
378 RDFContainer = Components.classes[RDFContainer].createInstance();
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diff changeset
379 RDFContainer = RDFContainer.QueryInterface(Components.interfaces.nsIRDFContainer);
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diff changeset
380
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parents:
diff changeset
381 try {
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parents:
diff changeset
382 RDFContainer.Init(this.datasource,this.source);
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parents:
diff changeset
383 this.container=RDFContainer;
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diff changeset
384 return true;
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parents:
diff changeset
385 }
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parents:
diff changeset
386 catch (ex){
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parents:
diff changeset
387 return false;
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parents:
diff changeset
388 }
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parents:
diff changeset
389 }
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parents:
diff changeset
390
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parents:
diff changeset
391 RDFNode.prototype.addTarget=
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diff changeset
392 function (prop,target)
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parents:
diff changeset
393 {
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diff changeset
394 prop=this.makeres(prop);
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parents:
diff changeset
395 target=this.makelit(target);
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parents:
diff changeset
396 this.datasource.Assert(this.source,prop,target,true);
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parents:
diff changeset
397 }
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parents:
diff changeset
398
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parents:
diff changeset
399 RDFNode.prototype.addTargetOnce=
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parents:
diff changeset
400 function (prop,target)
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parents:
diff changeset
401 {
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parents:
diff changeset
402 prop=this.makeres(prop);
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parents:
diff changeset
403 target=this.makelit(target);
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parents:
diff changeset
404
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parents:
diff changeset
405 var oldtarget=this.datasource.GetTarget(this.source,prop,true);
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parents:
diff changeset
406 if (oldtarget!=null){
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parents:
diff changeset
407 this.datasource.Change(this.source,prop,oldtarget,target);
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parents:
diff changeset
408 }
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parents:
diff changeset
409 else {
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parents:
diff changeset
410 this.datasource.Assert(this.source,prop,target,true);
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parents:
diff changeset
411 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
412 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
413
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
414 RDFNode.prototype.modifyTarget=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
415 function (prop,oldtarget,newtarget)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
416 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
417 prop=this.makeres(prop);
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parents:
diff changeset
418 oldtarget=this.makelit(oldtarget);
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parents:
diff changeset
419 newtarget=this.makelit(newtarget);
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parents:
diff changeset
420 this.datasource.Change(this.source,prop,oldtarget,newtarget);
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parents:
diff changeset
421 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
422
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parents:
diff changeset
423 RDFNode.prototype.modifySource=
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parents:
diff changeset
424 function (prop,oldsource,newsource)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
425 {
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parents:
diff changeset
426 prop=this.makeres(prop);
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parents:
diff changeset
427 oldsource=this.makeres(oldsource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
428 newsource=this.makeres(newsource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
429 this.datasource.Move(oldsource,newsource,prop,this.source);
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parents:
diff changeset
430 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
431
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parents:
diff changeset
432 RDFNode.prototype.targetExists=
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parents:
diff changeset
433 function (prop,target)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
434 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
435 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
436 target=this.makelit(target);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
437 return this.datasource.HasAssertion(this.source,prop,target,true);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
438 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
439
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
440 RDFNode.prototype.removeTarget=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
441 function (prop,target)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
442 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
443 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
444 target=this.makelit(target);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
445 this.datasource.Unassert(this.source,prop,target);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
446 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
447
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
448 RDFNode.prototype.getProperties=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
449 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
450 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
451 return new RDFEnumerator(this.datasource.ArcLabelsOut(this.source),this.datasource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
452 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
453
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
454 RDFNode.prototype.getInProperties=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
455 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
456 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
457 return new RDFEnumerator(this.datasource.ArcLabelsIn(this.source),this.datasource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
458 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
459
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
460 RDFNode.prototype.propertyExists=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
461 function (prop)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
462 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
463 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
464 return this.datasource.hasArcOut(this.source,prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
465 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
466
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
467 RDFNode.prototype.inPropertyExists=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
468 function (prop)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
469 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
470 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
471 return this.datasource.hasArcIn(this.source,prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
472 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
473
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
474 RDFNode.prototype.getTarget=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
475 function (prop)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
476 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
477 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
478 return this.rlify(this.datasource.GetTarget(this.source,prop,true));
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
479 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
480
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
481 RDFNode.prototype.getSource=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
482 function (prop)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
483 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
484 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
485 var src=this.datasource.GetSource(prop,this.source,true);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
486 if (src==null) return null;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
487 var res=new RDFNode();
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
488 res.Init(src,this.datasource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
489 return res;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
490 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
491
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
492 RDFNode.prototype.getTargets=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
493 function (prop)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
494 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
495 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
496 return new RDFEnumerator(
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
497 this.datasource.GetTargets(this.source,prop,true),this.datasource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
498 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
499
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
500 RDFNode.prototype.getSources=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
501 function (prop)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
502 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
503 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
504 return new RDFEnumerator(
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
505 this.datasource.GetSources(prop,this.source,true),this.datasource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
506 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
507
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
508 RDFNode.prototype.makeBag=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
509 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
510 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
511 this.container=RDFContainerUtilsService.MakeBag(this.datasource,this.source);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
512 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
513
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
514 RDFNode.prototype.makeSeq=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
515 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
516 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
517 this.container=RDFContainerUtilsService.MakeSeq(this.datasource,this.source);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
518 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
519
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
520 RDFNode.prototype.makeAlt=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
521 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
522 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
523 this.container=RDFContainerUtilsService.MakeAlt(this.datasource,this.source);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
524 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
525
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
526 RDFNode.prototype.isBag=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
527 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
528 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
529 return RDFContainerUtilsService.isBag(this.datasource,this.source);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
530 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
531
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
532 RDFNode.prototype.isSeq=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
533 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
534 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
535 return RDFContainerUtilsService.isSeq(this.datasource,this.source);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
536 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
537
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
538 RDFNode.prototype.isAlt=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
539 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
540 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
541 return RDFContainerUtilsService.isAlt(dsource,this.source);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
542 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
543
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diff changeset
544 RDFNode.prototype.isContainer=
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diff changeset
545 function ()
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546 {
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diff changeset
547 return RDFContainerUtilsService.IsContainer(this.datasource,this.source);
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diff changeset
548 }
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diff changeset
549
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diff changeset
550 RDFNode.prototype.getChildCount=
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diff changeset
551 function ()
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parents:
diff changeset
552 {
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553 if (this.makecontain()){
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diff changeset
554 return this.container.GetCount();
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parents:
diff changeset
555 }
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556 return -1;
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parents:
diff changeset
557 }
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diff changeset
558
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diff changeset
559 RDFNode.prototype.getChildren=
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diff changeset
560 function ()
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561 {
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parents:
diff changeset
562 if (this.makecontain()){
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diff changeset
563 return new RDFEnumerator(this.container.GetElements(),this.datasource);
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parents:
diff changeset
564 }
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565 else return null;
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parents:
diff changeset
566 }
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567
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diff changeset
568 RDFNode.prototype.addChild=
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diff changeset
569 function (child,exists)
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diff changeset
570 {
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571 if (this.makecontain()){
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572 var childres=null;
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573 if (typeof child == "string"){
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574 childres=RDFService.GetResource(child);
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diff changeset
575 child=new RDFNode();
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576 child.Init(childres,this.datasource);
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577 }
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578 else childres=child.source;
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diff changeset
579
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580 if (!exists && this.container.IndexOf(childres)>=0) return child;
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diff changeset
581
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582 this.container.AppendElement(childres);
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583 return child;
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584 }
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585 else return null;
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parents:
diff changeset
586 }
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587
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diff changeset
588 RDFNode.prototype.addChildAt=
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589 function (child,idx)
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590 {
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591 if (this.makecontain()){
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592 var childres=null;
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parents:
diff changeset
593 if (typeof child == "string"){
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diff changeset
594 childres=RDFService.GetResource(child);
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diff changeset
595 child=new RDFNode();
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diff changeset
596 child.Init(childres,this.datasource);
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597 }
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598 else childres=child.source;
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599 this.container.InsertElementAt(childres,idx,true);
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600 return child;
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diff changeset
601 }
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diff changeset
602 else return null;
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parents:
diff changeset
603 }
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parents:
diff changeset
604
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diff changeset
605 RDFNode.prototype.removeChild=
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parents:
diff changeset
606 function (child)
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parents:
diff changeset
607 {
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parents:
diff changeset
608 if (this.makecontain()){
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parents:
diff changeset
609 var childres=null;
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parents:
diff changeset
610 if (typeof child == "string"){
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parents:
diff changeset
611 childres=RDFService.GetResource(child);
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diff changeset
612 child=new RDFNode();
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diff changeset
613 child.Init(childres,this.datasource);
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parents:
diff changeset
614 }
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diff changeset
615 else childres=child.source;
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diff changeset
616 this.container.RemoveElement(childres,true);
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diff changeset
617 return child;
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parents:
diff changeset
618 }
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diff changeset
619 else return null;
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parents:
diff changeset
620 }
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diff changeset
621
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diff changeset
622 RDFNode.prototype.removeChildAt=
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diff changeset
623 function (idx)
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parents:
diff changeset
624 {
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parents:
diff changeset
625 if (this.makecontain()){
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parents:
diff changeset
626 var childres=this.container.RemoveElementAt(idx,true);
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diff changeset
627 return this.rlify(childres);
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parents:
diff changeset
628 }
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diff changeset
629 else return null;
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parents:
diff changeset
630 }
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parents:
diff changeset
631
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diff changeset
632 RDFNode.prototype.getChildIndex=
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parents:
diff changeset
633 function (child)
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parents:
diff changeset
634 {
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parents:
diff changeset
635 if (this.makecontain()){
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diff changeset
636 return this.container.IndexOf(child.source);
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parents:
diff changeset
637 }
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diff changeset
638 else return -1;
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parents:
diff changeset
639 }
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diff changeset
640
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diff changeset
641 RDFNode.prototype.type="Node";
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diff changeset
642
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diff changeset
643
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diff changeset
644 function RDFLiteral(val,dsource)
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diff changeset
645 {
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diff changeset
646 if (val==null) this.source=null;
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parents:
diff changeset
647 else this.source=RDFService.GetLiteral(val);
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parents:
diff changeset
648
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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diff changeset
649 if (dsource==null) this.datasource=null;
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diff changeset
650 else this.datasource=dsource.datasource;
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parents:
diff changeset
651 }
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diff changeset
652
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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diff changeset
653 RDFLiteral.prototype.Init=
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parents:
diff changeset
654 function (source,dsource)
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parents:
diff changeset
655 {
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diff changeset
656 this.source=source;
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diff changeset
657 this.datasource=dsource;
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parents:
diff changeset
658 }
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diff changeset
659
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diff changeset
660 RDFLiteral.prototype.getValue=
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parents:
diff changeset
661 function ()
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diff changeset
662 {
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diff changeset
663 return this.source.Value;
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parents:
diff changeset
664 }
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diff changeset
665
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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diff changeset
666 RDFLiteral.prototype.makeres=
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parents:
diff changeset
667 function (val)
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parents:
diff changeset
668 {
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diff changeset
669 if (typeof val == "string") return RDFService.GetResource(val);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
670 else return val.source;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
671 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
672
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
673 RDFLiteral.prototype.makelit=
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
674 function (val)
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
675 {
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diff changeset
676 if (typeof val == "string") return RDFService.GetLiteral(val);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
677 else return val.source;
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parents:
diff changeset
678 }
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diff changeset
679
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diff changeset
680 RDFLiteral.prototype.modifySource=
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parents:
diff changeset
681 function (prop,oldsource,newsource)
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parents:
diff changeset
682 {
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diff changeset
683 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
684 oldsource=this.makeres(oldsource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
685 newsource=this.makeres(newsource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
686 this.datasource.Move(oldsource,newsource,prop,this.source);
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parents:
diff changeset
687 }
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diff changeset
688
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diff changeset
689 RDFLiteral.prototype.getInProperties=
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parents:
diff changeset
690 function (prop)
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parents:
diff changeset
691 {
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diff changeset
692 return new RDFEnumerator(this.datasource.ArcLabelsIn(this.source),this.datasource);
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parents:
diff changeset
693 }
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parents:
diff changeset
694
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parents:
diff changeset
695 RDFLiteral.prototype.inPropertyExists=
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parents:
diff changeset
696 function (prop)
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parents:
diff changeset
697 {
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parents:
diff changeset
698 prop=this.makeres(prop);
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parents:
diff changeset
699 return this.datasource.hasArcIn(this.source,prop);
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parents:
diff changeset
700 }
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parents:
diff changeset
701
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parents:
diff changeset
702 RDFLiteral.prototype.getSource=
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parents:
diff changeset
703 function (prop)
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parents:
diff changeset
704 {
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parents:
diff changeset
705 prop=this.makeres(prop);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
706 var src=this.datasource.GetSource(prop,this.source,true);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
707 if (src==null) return null;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
708 var res=new RDFNode();
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
709 res.Init(src,this.datasource);
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parents:
diff changeset
710 return res;
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parents:
diff changeset
711 }
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parents:
diff changeset
712
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
713 RDFLiteral.prototype.getSources=
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parents:
diff changeset
714 function (prop)
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parents:
diff changeset
715 {
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parents:
diff changeset
716 prop=this.makeres(prop);
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parents:
diff changeset
717 return new RDFEnumerator(
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
718 this.datasource.GetSources(prop,this.source,true),this.datasource);
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parents:
diff changeset
719 }
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parents:
diff changeset
720
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parents:
diff changeset
721 RDFLiteral.prototype.type="Literal";
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parents:
diff changeset
722
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
723
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
724 function RDFEnumerator(enumeration,dsource)
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parents:
diff changeset
725 {
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parents:
diff changeset
726 this.enumeration=enumeration;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
727 this.datasource=dsource;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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parents:
diff changeset
728 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
luginbue
parents:
diff changeset
729
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730 RDFEnumerator.prototype.hasMoreElements=
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731 function ()
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732 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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733 return this.enumeration.hasMoreElements();
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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734 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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735
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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736 RDFEnumerator.prototype.getNext=
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737 function ()
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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738 {
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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739 var res=null;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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740 var val=this.enumeration.getNext();
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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741
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742 if (val!=null){
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743 try {
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744 val=val.QueryInterface(Components.interfaces.nsIRDFResource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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745 res=new RDFNode();
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746 res.Init(val,this.datasource);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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747 }
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748 catch (ex){
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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749 try {
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750 val=val.QueryInterface(Components.interfaces.nsIRDFLiteral);
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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751 res=new RDFLiteral();
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752 res.Init(val,this.datasource);
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753 }
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754 catch (ex2){
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755 }
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756 }
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757 }
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758 return res;
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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759 }
bf945fcf9105 restarting with version control of xul sidebar/toolbar
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760