LCOV - code coverage report
Current view: directory - content/xul/templates/src - nsXULTemplateResultXML.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 92 0 0.0 %
Date: 2012-06-02 Functions: 15 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Neil Deakin
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      25                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #include "nsIServiceManager.h"
      38                 : #include "nsIDOMNode.h"
      39                 : #include "nsIDOMElement.h"
      40                 : #include "nsIContent.h"
      41                 : 
      42                 : #include "nsIRDFService.h"
      43                 : 
      44                 : #include "nsXULTemplateResultXML.h"
      45                 : #include "nsXMLBinding.h"
      46                 : 
      47                 : static PRUint32 sTemplateId = 0;
      48                 : 
      49               0 : NS_IMPL_ISUPPORTS1(nsXULTemplateResultXML, nsIXULTemplateResult)
      50                 : 
      51               0 : nsXULTemplateResultXML::nsXULTemplateResultXML(nsXMLQuery* aQuery,
      52                 :                                                nsIDOMNode* aNode,
      53                 :                                                nsXMLBindingSet* aBindings)
      54               0 :     : mQuery(aQuery), mNode(aNode)
      55                 : {
      56               0 :     nsCOMPtr<nsIContent> content = do_QueryInterface(mNode);
      57                 : 
      58                 :     // If the node has an id, create the uri from it. Otherwise, there isn't
      59                 :     // anything to identify the node with so just use a somewhat random number.
      60               0 :     nsCOMPtr<nsIAtom> id = content->GetID();
      61               0 :     if (id) {
      62               0 :       nsCOMPtr<nsIURI> uri = content->GetBaseURI();
      63               0 :       nsCAutoString spec;
      64               0 :       uri->GetSpec(spec);
      65                 : 
      66               0 :       mId = NS_ConvertUTF8toUTF16(spec);
      67                 : 
      68               0 :       nsAutoString idstr;
      69               0 :       id->ToString(idstr);
      70               0 :       mId += NS_LITERAL_STRING("#") + idstr;
      71                 :     }
      72                 :     else {
      73               0 :       nsAutoString rowid(NS_LITERAL_STRING("row"));
      74               0 :       rowid.AppendInt(++sTemplateId);
      75               0 :       mId.Assign(rowid);
      76                 :     }
      77                 : 
      78               0 :     if (aBindings)
      79               0 :         mRequiredValues.SetBindingSet(aBindings);
      80               0 : }
      81                 : 
      82                 : NS_IMETHODIMP
      83               0 : nsXULTemplateResultXML::GetIsContainer(bool* aIsContainer)
      84                 : {
      85                 :     // a node is considered a container if it has children
      86               0 :     if (mNode)
      87               0 :         mNode->HasChildNodes(aIsContainer);
      88                 :     else
      89               0 :         *aIsContainer = false;
      90               0 :     return NS_OK;
      91                 : }
      92                 : 
      93                 : NS_IMETHODIMP
      94               0 : nsXULTemplateResultXML::GetIsEmpty(bool* aIsEmpty)
      95                 : {
      96                 :     // a node is considered empty if it has no elements as children
      97               0 :     nsCOMPtr<nsIContent> content = do_QueryInterface(mNode);
      98               0 :     if (content) {
      99               0 :         for (nsIContent* child = content->GetFirstChild();
     100                 :              child;
     101               0 :              child = child->GetNextSibling()) {
     102               0 :             if (child->IsElement()) {
     103               0 :                 *aIsEmpty = false;
     104               0 :                 return NS_OK;
     105                 :             }
     106                 :         }
     107                 :     }
     108                 : 
     109               0 :     *aIsEmpty = true;
     110               0 :     return NS_OK;
     111                 : }
     112                 : 
     113                 : NS_IMETHODIMP
     114               0 : nsXULTemplateResultXML::GetMayProcessChildren(bool* aMayProcessChildren)
     115                 : {
     116               0 :     *aMayProcessChildren = true;
     117               0 :     return NS_OK;
     118                 : }
     119                 : 
     120                 : NS_IMETHODIMP
     121               0 : nsXULTemplateResultXML::GetId(nsAString& aId)
     122                 : {
     123               0 :     aId = mId;
     124               0 :     return NS_OK;
     125                 : }
     126                 : 
     127                 : NS_IMETHODIMP
     128               0 : nsXULTemplateResultXML::GetResource(nsIRDFResource** aResource)
     129                 : {
     130               0 :     *aResource = nsnull;
     131               0 :     return NS_OK;
     132                 : }
     133                 : 
     134                 : NS_IMETHODIMP
     135               0 : nsXULTemplateResultXML::GetType(nsAString& aType)
     136                 : {
     137               0 :     aType.Truncate();
     138               0 :     return NS_OK;
     139                 : }
     140                 : 
     141                 : NS_IMETHODIMP
     142               0 : nsXULTemplateResultXML::GetBindingFor(nsIAtom* aVar, nsAString& aValue)
     143                 : {
     144               0 :     NS_ENSURE_ARG_POINTER(aVar);
     145                 : 
     146                 :     // get the position of the atom in the variables table
     147                 :     nsXMLBinding* binding;
     148                 : 
     149               0 :     PRInt32 idx = mRequiredValues.LookupTargetIndex(aVar, &binding);
     150               0 :     if (idx >= 0) {
     151               0 :         mRequiredValues.GetStringAssignmentFor(this, binding, idx, aValue);
     152               0 :         return NS_OK;
     153                 :     }
     154                 : 
     155               0 :     idx = mOptionalValues.LookupTargetIndex(aVar, &binding);
     156               0 :     if (idx >= 0) {
     157               0 :         mOptionalValues.GetStringAssignmentFor(this, binding, idx, aValue);
     158               0 :         return NS_OK;
     159                 :     }
     160                 : 
     161                 :     // if the variable is not bound, just use the variable name as the name of
     162                 :     // an attribute to retrieve
     163               0 :     nsAutoString attr;
     164               0 :     aVar->ToString(attr);
     165                 : 
     166               0 :     if (attr.Length() > 1) {
     167               0 :         nsCOMPtr<nsIDOMElement> element = do_QueryInterface(mNode);
     168               0 :         if (element)
     169               0 :             return element->GetAttribute(Substring(attr, 1), aValue);
     170                 :     }
     171                 : 
     172               0 :     aValue.Truncate();
     173               0 :     return NS_OK;
     174                 : }
     175                 : 
     176                 : NS_IMETHODIMP
     177               0 : nsXULTemplateResultXML::GetBindingObjectFor(nsIAtom* aVar, nsISupports** aValue)
     178                 : {
     179               0 :     NS_ENSURE_ARG_POINTER(aVar);
     180                 : 
     181                 :     nsXMLBinding* binding;
     182               0 :     nsCOMPtr<nsIDOMNode> node;
     183                 : 
     184               0 :     if (mQuery && aVar == mQuery->GetMemberVariable()) {
     185               0 :         node = mNode;
     186                 :     }
     187                 :     else {
     188               0 :         PRInt32 idx = mRequiredValues.LookupTargetIndex(aVar, &binding);
     189               0 :         if (idx > 0) {
     190                 :             mRequiredValues.GetNodeAssignmentFor(this, binding, idx,
     191               0 :                                                  getter_AddRefs(node));
     192                 :         }
     193                 :         else {
     194               0 :             idx = mOptionalValues.LookupTargetIndex(aVar, &binding);
     195               0 :             if (idx > 0) {
     196                 :                 mOptionalValues.GetNodeAssignmentFor(this, binding, idx,
     197               0 :                                                      getter_AddRefs(node));
     198                 :             }
     199                 :         }
     200                 :     }
     201                 : 
     202               0 :     *aValue = node;
     203               0 :     NS_IF_ADDREF(*aValue);
     204               0 :     return NS_OK;
     205                 : }
     206                 : 
     207                 : NS_IMETHODIMP
     208               0 : nsXULTemplateResultXML::RuleMatched(nsISupports* aQueryNode,
     209                 :                                     nsIDOMNode* aRuleNode)
     210                 : {
     211                 :     // when a rule matches, set the bindings that must be used.
     212               0 :     nsXULTemplateQueryProcessorXML* processor = mQuery ? mQuery->Processor() :
     213               0 :                                                          nsnull;
     214               0 :     if (processor) {
     215                 :         nsXMLBindingSet* bindings =
     216               0 :             processor->GetOptionalBindingsForRule(aRuleNode);
     217               0 :         if (bindings)
     218               0 :             mOptionalValues.SetBindingSet(bindings);
     219                 :     }
     220                 : 
     221               0 :     return NS_OK;
     222                 : }
     223                 : 
     224                 : NS_IMETHODIMP
     225               0 : nsXULTemplateResultXML::HasBeenRemoved()
     226                 : {
     227               0 :     return NS_OK;
     228                 : }
     229                 : 
     230                 : void
     231               0 : nsXULTemplateResultXML::GetNode(nsIDOMNode** aNode)
     232                 : {
     233               0 :     *aNode = mNode;
     234               0 :     NS_IF_ADDREF(*aNode);
     235               0 : }

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