+/******************************************************************************
+ *
+ * This code belongs to its author. All rights reserved.
+ *
+ * Author : michel.gutierrez@gmail.com
+ *
+ ******************************************************************************/
+
+/**
+* @fileoverview Accessing global utilities
+* @author mig
+* @version 1.0
+*/
+
+/**
+ * Constants.
+ */
+const NS_UTIL_SERVICE_CID = Components.ID("{dbd8dc72-2cdf-44ad-bf9a-5dc7a3fc3036}");
+const NS_UTIL_SERVICE_PROG_ID = "@downloadhelper.net/util-service;1";
+
+Node=null;
+XPathResult=null;
+
+/**
+* Service constructor
+* @class Service accessing global utilities
+*/
+function UtilService() {
+ this.stringBundle=Components.classes["@mozilla.org/intl/stringbundle;1"].getService().
+ QueryInterface(Components.interfaces.nsIStringBundleService).
+ createBundle("chrome://dwhelper/locale/strings.properties");
+ this.RDF = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService().
+ QueryInterface(Components.interfaces.nsIRDFService);
+ this.RDFCUtils = Components.classes["@mozilla.org/rdf/container-utils;1"].getService().
+ QueryInterface(Components.interfaces.nsIRDFContainerUtils);
+}
+
+UtilService.prototype = {
+}
+
+UtilService.prototype.getRDF = function() {
+ return this.RDF;
+}
+
+UtilService.prototype.getRDFCUtils = function() {
+ return this.RDFCUtils;
+}
+
+UtilService.prototype.getText = function(name) {
+ try {
+ return this.stringBundle.GetStringFromName(name);
+ } catch(e) {
+ return name;
+ }
+}
+
+UtilService.prototype.getFText=function(name,params,length) {
+ if(params==null)
+ params=[];
+ try {
+ return this.stringBundle.formatStringFromName(name,params,params.length);
+ } catch(e) {
+ return name;
+ }
+}
+
+UtilService.prototype.getVersion=function(uuid) {
+ var RDF = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService().
+ QueryInterface(Components.interfaces.nsIRDFService);
+ var RDFCUtils = Components.classes["@mozilla.org/rdf/container-utils;1"].getService().
+ QueryInterface(Components.interfaces.nsIRDFContainerUtils);
+ var extMgr=Components.classes["@mozilla.org/extensions/manager;1"].
+ getService(Components.interfaces.nsIExtensionManager);
+ var target=extMgr.datasource.GetTarget(
+ RDF.GetResource("urn:mozilla:item:"+uuid),
+ RDF.GetResource("http://www.mozilla.org/2004/em-rdf#version"),
+ true);
+ if(target==null)
+ return null;
+ return target.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
+}
+
+UtilService.prototype.getPropertyValue = function(ds,res,prop) {
+ var target=ds.GetTarget(res,prop,true);
+ if(target==null)
+ return null;
+ return target.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
+}
+
+UtilService.prototype.getPropertyValueRS = function(ds,res,prop) {
+ return this.getPropertyValue(ds,res,this.RDF.GetResource(prop));
+}
+
+UtilService.prototype.getPropertyValueSR = function(ds,res,prop) {
+ return this.getPropertyValue(ds,this.RDF.GetResource(res),prop);
+}
+
+UtilService.prototype.getPropertyValueSS = function(ds,res,prop) {
+ return this.getPropertyValue(ds,this.RDF.GetResource(res),this.RDF.GetResource(prop));
+}
+
+UtilService.prototype.setPropertyValue = function(ds,res,prop,value) {
+ value=this.RDF.GetLiteral(value);
+ this.removeProperties(ds,res,prop);
+ if(value!=null) {
+ ds.Assert(res,prop,value,true);
+ }
+}
+
+UtilService.prototype.setPropertyValueSR = function(ds,res,prop,value) {
+ this.setPropertyValue(ds,this.RDF.GetResource(res),prop,value);
+}
+
+UtilService.prototype.setPropertyValueRS = function(ds,res,prop,value) {
+ this.setPropertyValue(ds,res,this.RDF.GetResource(prop),value);
+}
+
+UtilService.prototype.setPropertyValueSS = function(ds,res,prop,value) {
+ this.setPropertyValue(ds,this.RDF.GetResource(res),this.RDF.GetResource(prop),value);
+}
+
+UtilService.prototype.removeProperties = function(ds,res,prop) {
+ var i=ds.GetTargets(res,prop,true);
+ var targets=[];
+ while(i.hasMoreElements()) {
+ targets.push(i.getNext());
+ }
+ for(var i=0;i<targets.length;i++) {
+ ds.Unassert(res,prop,targets[i]);
+ }
+}
+
+UtilService.prototype.removePropertiesSR = function(ds,res,prop) {
+ this.removeProperties(ds,this.RDF.GetResource(res),prop);
+}
+
+UtilService.prototype.removePropertiesRS = function(ds,res,prop) {
+ this.removeProperties(ds,res,this.RDF.GetResource(prop));
+}
+
+UtilService.prototype.removePropertiesSS = function(ds,res,prop) {
+ this.removeProperties(ds,this.RDF.GetResource(res),this.RDF.GetResource(prop));
+}
+
+UtilService.prototype.getChildResources = function(ds,res,count) {
+ var children=[];
+ var seq=this.RDFCUtils.MakeSeq(ds,res);
+ var j=seq.GetElements();
+ while(j.hasMoreElements()) {
+ var li=j.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ children.push(li);
+ }
+ count.value=children.length;
+ return children;
+}
+
+UtilService.prototype.getChildResourcesS = function(ds,res,count) {
+ return this.getChildResources(ds,this.RDF.GetResource(res),count);
+}
+
+UtilService.prototype.getPropertyResource = function(ds,res,prop) {
+ var target=ds.GetTarget(res,prop,true);
+ if(target==null)
+ return null;
+ return target.QueryInterface(Components.interfaces.nsIRDFResource);
+}
+
+UtilService.prototype.getPropertyResourceRS = function(ds,res,prop) {
+ return this.getPropertyResource(ds,res,this.RDF.GetResource(prop));
+}
+
+UtilService.prototype.getPropertyResourceSR = function(ds,res,prop) {
+ return this.getPropertyResource(ds,this.RDF.GetResource(res),prop);
+}
+
+UtilService.prototype.getPropertyResourceSS = function(ds,res,prop) {
+ return this.getPropertyResource(ds,this.RDF.GetResource(res),this.RDF.GetResource(prop));
+}
+
+UtilService.prototype.setPropertyResource = function(ds,res,prop,value) {
+ this.removeProperties(ds,res,prop);
+ if(value!=null) {
+ ds.Assert(res,prop,value,true);
+ }
+}
+
+UtilService.prototype.setPropertyResourceRRS = function(ds,res,prop,value) {
+ this.setPropertyResource(ds,res,prop,this.RDF.GetResource(value));
+}
+
+UtilService.prototype.setPropertyResourceRSR = function(ds,res,prop,value) {
+ this.setPropertyResource(ds,res,this.RDF.GetResource(prop),value);
+}
+
+UtilService.prototype.setPropertyResourceRSS = function(ds,res,prop,value) {
+ this.setPropertyResource(ds,res,this.RDF.GetResource(prop),this.RDF.GetResource(value));
+}
+
+UtilService.prototype.setPropertyResourceSRR = function(ds,res,prop,value) {
+ this.setPropertyResource(ds,this.RDF.GetResource(res),prop,value);
+}
+
+UtilService.prototype.setPropertyResourceSRS = function(ds,res,prop,value) {
+ this.setPropertyResource(ds,this.RDF.GetResource(res),prop,this.RDF.GetResource(value));
+}
+
+UtilService.prototype.setPropertyResourceSSR = function(ds,res,prop,value) {
+ this.setPropertyResource(ds,this.RDF.GetResource(res),this.RDF.GetResource(prop),value);
+}
+
+UtilService.prototype.setPropertyResourceSSS = function(ds,res,prop,value) {
+ this.setPropertyResource(ds,this.RDF.GetResource(res),this.RDF.GetResource(prop),this.RDF.GetResource(value));
+}
+
+UtilService.prototype.createNode=function(ds,parentNode,res) {
+ var node=res;
+ if(node==null) {
+ node=this.RDF.GetAnonymousResource();
+ }
+ this.setPropertyResourceRSS(ds,node,
+ "http://www.w3.org/1999/02/22-rdf-syntax-ns#instanceOf",
+ "http://www.w3.org/1999/02/22-rdf-syntax-ns#Seq");
+ this.setPropertyValueRS(ds,node,
+ "http://www.w3.org/1999/02/22-rdf-syntax-ns#nextVal","1");
+
+ if(parentNode!=null) {
+ parentNode=this.RDFCUtils.MakeSeq(ds,parentNode);
+ parentNode.AppendElement(node);
+ }
+ return node;
+}
+
+UtilService.prototype.createNodeRS=function(ds,parentNode,resValue) {
+ if(resValue!=null)
+ resValue=this.RDF.GetResource(resValue);
+ return this.createNode(ds,parentNode,resValue);
+}
+
+UtilService.prototype.createNodeSR=function(ds,parentNode,resValue) {
+ if(parentNode!=null)
+ parentNode=this.RDF.GetResource(parentNode);
+ return this.createNode(ds,parentNode,resValue);
+}
+
+UtilService.prototype.createNodeSS=function(ds,parentNode,resValue) {
+ if(parentNode!=null)
+ parentNode=this.RDF.GetResource(parentNode);
+ if(resValue!=null)
+ resValue=this.RDF.GetResource(resValue);
+ return this.createNode(ds,parentNode,resValue);
+}
+
+UtilService.prototype.createAnonymousNode=function(ds,parentNode) {
+ return this.createNode(ds,parentNode,null);
+}
+
+UtilService.prototype.createAnonymousNodeS=function(ds,parentNode) {
+ return this.createAnonymousNode(ds,this.RDF.GetResource(parentNode));
+}
+
+UtilService.prototype.createRootNode=function(ds,res) {
+ return this.createNode(ds,null,res);
+}
+
+UtilService.prototype.createRootNodeS=function(ds,resValue) {
+ return this.createRootNode(ds,this.RDF.GetResource(resValue));
+}
+
+UtilService.prototype.createAnonymousRootNode=function(ds) {
+ return this.createNode(ds,null,null);
+}
+
+UtilService.prototype.getDatasourceFromRDFFile=function(file) {
+ var stream = Components.classes['@mozilla.org/network/file-input-stream;1'].
+ createInstance(Components.interfaces.nsIFileInputStream);
+ stream.init(file,1,0,false);
+ var scriptableStream = Components.classes['@mozilla.org/scriptableinputstream;1'].createInstance(Components.interfaces.nsIScriptableInputStream);
+ scriptableStream.init(stream);
+
+ var fileSize = scriptableStream.available();
+ var fileContents = scriptableStream.read(fileSize);
+
+ scriptableStream.close();
+ stream.close();
+
+ var parser=Components.classes
+ ['@mozilla.org/rdf/xml-parser;1'].
+ createInstance(Components.interfaces.nsIRDFXMLParser);
+ var uri = Components.classes["@mozilla.org/network/standard-url;1"].
+ createInstance(Components.interfaces.nsIURI);
+ uri.spec = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+ var memDS=Components.classes
+ ['@mozilla.org/rdf/datasource;1?name=in-memory-datasource'].
+ createInstance(Components.interfaces.nsIRDFDataSource);
+ parser.parseString(memDS,uri,fileContents);
+ return memDS;
+}
+
+UtilService.prototype.dumpDatasource=function(ds) {
+ if(ds==null)
+ return;
+ var i = ds.GetAllResources();
+ while(i.hasMoreElements()) {
+ var source = i.getNext();
+ var j = ds.ArcLabelsOut(source);
+ while(j.hasMoreElements()) {
+ var predicate = j.getNext();
+ var k = ds.GetTargets(source,predicate,true);
+ while(k.hasMoreElements()) {
+ var target = k.getNext();
+ source=source.QueryInterface(Components.interfaces.nsIRDFResource);
+ predicate=predicate.QueryInterface(Components.interfaces.nsIRDFResource);
+ try {
+ target=target.QueryInterface(Components.interfaces.nsIRDFResource);
+ } catch(e) {
+ target=target.QueryInterface(Components.interfaces.nsIRDFLiteral);
+ }
+ dump(source.Value+" - "+predicate.Value+" - "+target.Value+"\n");
+ }
+ }
+ }
+}
+
+UtilService.prototype.getDatasource=function(tree) {
+ if(tree.database==null)
+ return null;
+ var i=tree.database.GetDataSources();
+ if(i.hasMoreElements()) {
+ return i.getNext().QueryInterface(Components.interfaces.nsIRDFDataSource);
+ } else {
+ return null;
+ }
+}
+
+UtilService.prototype.clearDatasource=function(tree) {
+ if(tree.database==null)
+ return;
+ var dss=[];
+ var i=tree.database.GetDataSources();
+ while(i.hasMoreElements()) {
+ dss.push(i.getNext());
+ }
+ for(var i=0;i<dss.length;i++) {
+ var ds = dss[i].QueryInterface(Components.interfaces.nsIRDFDataSource);
+ var i = ds.GetAllResources();
+ ds.beginUpdateBatch();
+ while(i.hasMoreElements()) {
+ var source = i.getNext();
+ var j = ds.ArcLabelsOut(source);
+ while(j.hasMoreElements()) {
+ var predicate = j.getNext();
+ var k = ds.GetTargets(source,predicate,true);
+ while(k.hasMoreElements()) {
+ var target = k.getNext();
+ ds.Unassert(source,predicate,target);
+ }
+ }
+ }
+ ds.endUpdateBatch();
+ }
+ for(var i=0;i<dss.length;i++) {
+ var ds = dss[i].QueryInterface(Components.interfaces.nsIRDFDataSource);
+ tree.database.RemoveDataSource(ds);
+ }
+}
+
+UtilService.prototype.removeDatasources=function(tree) {
+ if(tree.database==null)
+ return;
+ var dss=[];
+ var i=tree.builder.database.GetDataSources();
+ while(i.hasMoreElements()) {
+ dss.push(i.getNext());
+ }
+ for(var i=0;i<dss.length;i++) {
+ var ds = dss[i].QueryInterface(Components.interfaces.nsIRDFDataSource);
+ tree.builder.database.RemoveDataSource(ds);
+ }
+}
+
+UtilService.prototype.setDatasource=function(tree,ds) {
+ this.removeDatasources(tree);
+ if(ds!=null)
+ tree.builder.database.AddDataSource(ds);
+ tree.builder.rebuild();
+}
+
+UtilService.prototype.addDatasource=function(tree,ds) {
+ if(ds!=null)
+ tree.builder.database.AddDataSource(ds);
+ tree.builder.rebuild();
+}
+
+UtilService.prototype.copyDatasource=function(ds) {
+ var memDS=Components.classes
+ ['@mozilla.org/rdf/datasource;1?name=in-memory-datasource'].
+ createInstance(Components.interfaces.nsIRDFDataSource);
+ var i = ds.GetAllResources();
+ memDS.beginUpdateBatch();
+ while(i.hasMoreElements()) {
+ var source = i.getNext();
+ var j = ds.ArcLabelsOut(source);
+ while(j.hasMoreElements()) {
+ var predicate = j.getNext();
+ var k = ds.GetTargets(source,predicate,true);
+ while(k.hasMoreElements()) {
+ var target = k.getNext();
+ memDS.Assert(source,predicate,target,true);
+ }
+ }
+ }
+ memDS.endUpdateBatch();
+
+ return memDS;
+}
+
+UtilService.prototype.getParentNode=function(ds,node) {
+ var iter=ds.ArcLabelsIn(node);
+ while(iter.hasMoreElements()) {
+ var arc=iter.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ if(ChartletUtil.startsWith(arc.Value,"http://www.w3.org/1999/02/22-rdf-syntax-ns#_")) {
+ node = ds.GetSource(arc,node,true);
+ return node;
+ }
+ }
+ return null;
+}
+
+UtilService.prototype.getParentNodeS=function(ds,node) {
+ return this.getParentNode(ds,this.RDF.GetResource(node));
+}
+
+UtilService.prototype.appendNode=function(ds,parentNode,node) {
+ parentNode=this.RDFCUtils.MakeSeq(ds,parentNode);
+ parentNode.AppendElement(node);
+}
+
+UtilService.prototype.appendNodeRS=function(ds,parentNode,node) {
+ this.appendNode(ds,parentNode,this.RDF.GetResource(node));
+}
+
+UtilService.prototype.appendNodeSR=function(ds,parentNode,node) {
+ this.appendNode(ds,this.RDF.GetResource(parentNode),node);
+}
+
+UtilService.prototype.appendNodeSS=function(ds,parentNode,node) {
+ this.appendNode(ds,this.RDF.GetResource(parentNode),this.RDF.GetResource(node));
+}
+
+UtilService.prototype.removeReference = function(ds,res) {
+ var seqElems=[];
+
+ var deltriplet=[];
+ var i=ds.ArcLabelsIn(res);
+ while(i.hasMoreElements()) {
+ var arc=i.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ var j=ds.GetSources(arc,res,true);
+ while(j.hasMoreElements()) {
+ var source=j.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ var m=/^http\:\/\/www\.w3\.org\/1999\/02\/22\-rdf\-syntax\-ns#_([1-9][0-9]*)$/.exec(arc.Value);
+ if(m.length==2) {
+ var seq=ChartletUtil.RDFCUtils.MakeSeq(ds,source);
+ seqElems.push({seq: seq, elem: res});
+ } else {
+ deltriplet.push({
+ source: source,
+ property: arc,
+ target: res
+ });
+ }
+ }
+ }
+
+ var i=ds.ArcLabelsOut(res);
+ while(i.hasMoreElements()) {
+ var arc=i.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ var j=ds.GetTargets(res,arc,true);
+ while(j.hasMoreElements()) {
+ var target=j.getNext().QueryInterface(Components.interfaces.nsIRDFNode);
+ deltriplet.push({
+ source: res,
+ property: arc,
+ target: target
+ });
+ }
+ }
+
+ ds.beginUpdateBatch();
+ for(var i=0;i<deltriplet.length;i++) {
+ var triplet=deltriplet[i];
+ ds.Unassert(triplet.source,triplet.property,triplet.target);
+ }
+ for(var i=0;i<seqElems.length;i++) {
+ seqElems[i].seq.RemoveElement(seqElems[i].elem,true);
+ }
+ ds.endUpdateBatch();
+}
+
+UtilService.prototype.removeReferenceS = function(ds,res) {
+ this.removeReference(ds,this.RDF.GetResource(res));
+}
+
+UtilService.prototype.xpGetSingleNode = function(node,xpath) {
+ var anode=node.ownerDocument.evaluate(xpath,node,null,
+ XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue;
+ return anode;
+}
+
+UtilService.prototype.xpGetNodes = function(node,xpath,count) {
+ var nodes=[];
+ var xpr=node.ownerDocument.evaluate(xpath,
+ node,null,
+ XPathResult.ORDERED_NODE_ITERATOR_TYPE,
+ null);
+ var node0=xpr.iterateNext();
+ while(node0!=null) {
+ nodes.push(node0);
+ node0=xpr.iterateNext();
+ }
+ count.value=nodes.length;
+ return nodes;
+}
+
+UtilService.prototype.xpGetStrings = function(node,xpath,count) {
+ var strings=[];
+ var xpr=node.ownerDocument.evaluate(xpath,
+ node,null,
+ XPathResult.ORDERED_NODE_ITERATOR_TYPE,
+ null);
+ var node0=xpr.iterateNext();
+ while(node0!=null) {
+ if(node0.nodeType==Node.TEXT_NODE)
+ strings.push(node0.nodeValue);
+ else if(node0.firstChild!=null && node0.firstChild.nodeType==Node.TEXT_NODE)
+ strings.push(node0.firstChild.nodeValue);
+ node0=xpr.iterateNext();
+ }
+ count.value=strings.length;
+ return strings;
+}
+
+UtilService.prototype.xpGetString = function(node,xpath) {
+ var text=node.ownerDocument.evaluate(xpath,node,null,
+ XPathResult.STRING_TYPE,null).stringValue;
+ return text;
+}
+
+UtilService.prototype.getProfileDir=function() {
+ var file = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("ProfD", Components.interfaces.nsIFile);
+ return file;
+}
+
+UtilService.prototype.getProfilePath=function() {
+ return this.getProfileDir().path;
+}
+
+UtilService.prototype.getExtensionDir=function(uuid) {
+ var file = this.getProfileDir();
+ file.append("extensions");
+ file.append(uuid);
+ return file;
+}
+
+UtilService.prototype.getExtensionPath=function(uuid) {
+ return this.getExtensionDir(uuid).path;
+}
+
+UtilService.prototype.removeReferenceS=function(ds,res) {
+ this.removeReference(ds,this.RDF.GetResource(res));
+}
+
+UtilService.prototype.removeReference=function(ds,res) {
+
+ var seqElems=[];
+
+ var deltriplet=[];
+ var i=ds.ArcLabelsIn(res);
+ while(i.hasMoreElements()) {
+ var arc=i.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ var j=ds.GetSources(arc,res,true);
+ while(j.hasMoreElements()) {
+ var source=j.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ var m=/^http\:\/\/www\.w3\.org\/1999\/02\/22\-rdf\-syntax\-ns#_([1-9][0-9]*)$/.exec(arc.Value);
+ if(m.length==2) {
+ var seq=this.RDFCUtils.MakeSeq(ds,source);
+ seqElems.push({seq: seq, elem: res});
+ } else {
+ deltriplet.push({
+ source: source,
+ property: arc,
+ target: res
+ });
+ }
+ }
+ }
+
+ var i=ds.ArcLabelsOut(res);
+ while(i.hasMoreElements()) {
+ var arc=i.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
+ var j=ds.GetTargets(res,arc,true);
+ while(j.hasMoreElements()) {
+ var target=j.getNext().QueryInterface(Components.interfaces.nsIRDFNode);
+ deltriplet.push({
+ source: res,
+ property: arc,
+ target: target
+ });
+ }
+ }
+
+ ds.beginUpdateBatch();
+ for(var i=0;i<deltriplet.length;i++) {
+ var triplet=deltriplet[i];
+ ds.Unassert(triplet.source,triplet.property,triplet.target);
+ }
+ for(var i=0;i<seqElems.length;i++) {
+ seqElems[i].seq.RemoveElement(seqElems[i].elem,true);
+ }
+ ds.endUpdateBatch();
+}
+
+UtilService.prototype.generateUuid=function() {
+ var uuid="";
+ var groups=[8,4,4,4,12];
+ for(var i=0;i<groups.length;i++) {
+ if(i>0)
+ uuid+="-";
+ for(var j=0;j<groups[i];j++) {
+ var d=Math.floor(Math.random()*16);
+ if(d<10) {
+ uuid+=String.fromCharCode("0".charCodeAt(0)+d);
+ } else {
+ uuid+=String.fromCharCode("a".charCodeAt(0)-10+d);
+ }
+ }
+ }
+ return uuid;
+}
+
+UtilService.prototype.generateXPath = function(node) {
+ var node0=node;
+ var str="";
+ while(node.parentNode!=null) {
+ var str0="/";
+ if(node.nodeType==Node.TEXT_NODE) {
+ str0+="text()";
+ } else {
+ str0+=node.nodeName.toLowerCase();
+ }
+ var index=this.getNodeChildIndex(node);
+ str0+="["+(index+1)+"]";
+ str=str0+str;
+ node=node.parentNode;
+ }
+ str=node.nodeName+str;
+ if(str.substr(0,9)=="#document")
+ str=str.substring(9);
+ return str;
+}
+
+UtilService.prototype.getNodeChildIndex = function(child) {
+ var i=0;
+ var parent=child.parentNode;
+ var node=parent.firstChild;
+ while(node!=null) {
+ if(node==child)
+ return i;
+ if(node.nodeName==child.nodeName &&
+ (node.nodeType==Node.ELEMENT_NODE || node.nodeType==Node.TEXT_NODE))
+ i++;
+ node=node.nextSibling;
+ }
+ return -1;
+}
+
+UtilService.prototype.decodeURL = function(text) {
+ var decoder=Components.classes["@mozilla.org/intl/utf8converterservice;1"]
+ .getService(Components.interfaces.nsIUTF8ConverterService);
+ text=decoder.convertURISpecToUTF8(text,null);
+ var hc="0123456789ABCDEFabcdef";
+ var pt="";
+ var i=0;
+ while (i < text.length) {
+ var ch=text.charAt(i);
+ if (ch=="+") {
+ pt+=" ";
+ i++;
+ } else if (ch=="%") {
+ if (i < (text.length-2)
+ && hc.indexOf(text.charAt(i+1)) != -1
+ && hc.indexOf(text.charAt(i+2)) != -1 ) {
+ pt+=unescape( text.substr(i,3) );
+ i+=3;
+ } else {
+ pt+="?";
+ i++;
+ }
+ } else {
+ pt+=ch;
+ i++;
+ }
+ }
+ return pt;
+}
+
+UtilService.prototype.encodeURL = function(text) {
+ var sc="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_.!~*'()";
+ var h="0123456789ABCDEF";
+ var encoded="";
+ for (var i=0; i < text.length; i++ ) {
+ var ch=text.charAt(i);
+ if (ch==" ") {
+ encoded+="+";
+ } else if (sc.indexOf(ch) != -1) {
+ encoded+=ch;
+ } else {
+ var charCode=ch.charCodeAt(0);
+ if (charCode > 255) {
+ encoded+="+";
+ } else {
+ encoded+="%"+h.charAt((charCode >> 4) & 0xF)+h.charAt(charCode & 0xF);
+ }
+ }
+ }
+ return encoded;
+};
+
+UtilService.prototype.contentPost = function(url,body,target,targetName,features) {
+ if(target==null) {
+ var wwatch = Components.classes["@mozilla.org/embedcomp/window-watcher;1"].getService().
+ QueryInterface(Components.interfaces.nsIWindowWatcher);
+ target=wwatch.openWindow(null, "about:blank",
+ targetName, features, null);
+ }
+ var webNav = target.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
+ getInterface(Components.interfaces.nsIWebNavigation);
+ var sis = null;
+ if(body!=null) {
+ sis=Components.classes["@mozilla.org/io/string-input-stream;1"].
+ createInstance(Components.interfaces.nsIStringInputStream);
+ sis.setData("Content-length: "+body.length+"\r\n\r\n"+body,-1);
+ }
+ webNav.loadURI(url,webNav.LOAD_FLAGS_NONE,null,sis,null);
+}
+
+UtilService.prototype.xmlEscape = function(str) {
+ str=str.replace(/&/g,"&");
+ str=str.replace(/</g,"<");
+ str=str.replace(/>/g,">");
+ return str;
+ str=str.replace(/'/g,"'");
+ str=str.replace(/"/g,""");
+ var str0="";
+ for(var i=0;i<str.length;i++) {
+ var cc=str.charCodeAt(i);
+ if(cc>=0x80)
+ str0+="&#"+cc+";";
+ else
+ str0+=str[i];
+ }
+ return str0;
+}
+
+UtilService.prototype.getUTCTime = function() {
+ var date=new Date();
+ var t=date.getTime();
+ t+=date.getTimezoneOffset()*60*1000;
+ return t;
+}
+
+UtilService.prototype.formatNumberMinDigits = function(value,digits) {
+ var str=""+value;
+ while(str.length<digits)
+ str="0"+str;
+ return str;
+}
+
+UtilService.prototype.getExceptionStack = function(e) {
+ try {
+ var msg="";
+ var location=e.location;
+ while(location!=null) {
+ msg+=location.filename+":"+location.lineNumber+"\n";
+ location=location.caller;
+ }
+ return msg;
+ } catch(e0) {
+ return "[UtilService] error while getting exception frame: "+e0;
+ }
+}
+
+UtilService.prototype.removeChild = function(ds,parent,child) {
+ var seq=this.RDFCUtils.MakeSeq(ds,parent);
+ seq.RemoveElement(child,true);
+}
+
+UtilService.prototype.removeChildRS = function(ds,parent,child) {
+ var seq=this.RDFCUtils.MakeSeq(ds,parent);
+ seq.RemoveElement(this.RDF.GetResource(child),true);
+}
+
+UtilService.prototype.removeChildSR = function(ds,parent,child) {
+ var seq=this.RDFCUtils.MakeSeq(ds,this.RDF.GetResource(parent));
+ seq.RemoveElement(child,true);
+}
+
+UtilService.prototype.removeChildSS = function(ds,parent,child) {
+ var seq=this.RDFCUtils.MakeSeq(ds,this.RDF.GetResource(parent));
+ seq.RemoveElement(this.RDF.GetResource(child),true);
+}
+
+UtilService.prototype.getRDFNodeValue = function(node) {
+ if(node==null)
+ return null;
+ try {
+ var res=node.QueryInterface(Components.interfaces.nsIRDFResource);
+ return res.Value;
+ } catch(e) {}
+ try {
+ var lit=node.QueryInterface(Components.interfaces.nsIRDFLiteral);
+ return lit.Value;
+ } catch(e) {}
+ return null;
+}
+
+UtilService.prototype.QueryInterface = function(iid) {
+ if (!iid.equals(Components.interfaces.nsISupports) &&
+ !iid.equals(Components.interfaces.dhIUtilService)) {
+ //dump("UtilService: requested invalid interface "+iid+"\n");
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ }
+ return this;
+}
+
+var vUtilServiceModule = {
+ firstTime: true,
+
+ /*
+ * RegisterSelf is called at registration time (component installation
+ * or the only-until-release startup autoregistration) and is responsible
+ * for notifying the component manager of all components implemented in
+ * this module. The fileSpec, location and type parameters are mostly
+ * opaque, and should be passed on to the registerComponent call
+ * unmolested.
+ */
+ registerSelf: function (compMgr, fileSpec, location, type) {
+
+ if (this.firstTime) {
+ this.firstTime = false;
+ throw Components.results.NS_ERROR_FACTORY_REGISTER_AGAIN;
+ }
+ compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
+ compMgr.registerFactoryLocation(NS_UTIL_SERVICE_CID,
+ "UtilService",
+ NS_UTIL_SERVICE_PROG_ID,
+ fileSpec,
+ location,
+ type);
+ },
+
+ unregisterSelf: function(compMgr, fileSpec, location) {
+ compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
+ compMgr.unregisterFactoryLocation(NS_UTIL_SERVICE_CID, fileSpec);
+ },
+
+ /*
+ * The GetClassObject method is responsible for producing Factory and
+ * SingletonFactory objects (the latter are specialized for services).
+ */
+ getClassObject: function (compMgr, cid, iid) {
+ if (!cid.equals(NS_UTIL_SERVICE_CID)) {
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ }
+
+ if (!iid.equals(Components.interfaces.nsIFactory)) {
+ throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
+ }
+
+ return this.vUtilServiceFactory;
+ },
+
+ /* factory object */
+ vUtilServiceFactory: {
+ /*
+ * Construct an instance of the interface specified by iid, possibly
+ * aggregating it with the provided outer. (If you don't know what
+ * aggregation is all about, you don't need to. It reduces even the
+ * mightiest of XPCOM warriors to snivelling cowards.)
+ */
+ createInstance: function (outer, iid) {
+ if (outer != null) {
+ throw Components.results.NS_ERROR_NO_AGGREGATION;
+ }
+
+ if(Node==null)
+ Node=Components.interfaces.nsIDOMNode;
+
+ if(XPathResult==null)
+ XPathResult=Components.interfaces.nsIDOMXPathResult;
+
+ return (new UtilService()).QueryInterface(iid);
+ }
+ },
+
+ /*
+ * The canUnload method signals that the component is about to be unloaded.
+ * C++ components can return false to indicate that they don't wish to be
+ * unloaded, but the return value from JS components' canUnload is ignored:
+ * mark-and-sweep will keep everything around until it's no longer in use,
+ * making unconditional ``unload'' safe.
+ *
+ * You still need to provide a (likely useless) canUnload method, though:
+ * it's part of the nsIModule interface contract, and the JS loader _will_
+ * call it.
+ */
+ canUnload: function(compMgr) {
+ return true;
+ }
+};
+
+function NSGetModule(compMgr, fileSpec) {
+ return vUtilServiceModule;
+}
projects / x_full.git / commitdiff