LCOV - code coverage report
Current view: directory - content/xul/templates/src - nsContentTestNode.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 34 0 0.0 %
Date: 2012-06-02 Functions: 3 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 Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Chris Waterson <waterson@netscape.com>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "nsContentTestNode.h"
      40                 : #include "nsIRDFResource.h"
      41                 : #include "nsIAtom.h"
      42                 : #include "nsIDOMElement.h"
      43                 : #include "nsXULContentUtils.h"
      44                 : #include "nsIXULTemplateResult.h"
      45                 : #include "nsIXULTemplateBuilder.h"
      46                 : #include "nsXULTemplateQueryProcessorRDF.h"
      47                 : 
      48                 : #include "prlog.h"
      49                 : #ifdef PR_LOGGING
      50                 : extern PRLogModuleInfo* gXULTemplateLog;
      51                 : #endif
      52                 : 
      53               0 : nsContentTestNode::nsContentTestNode(nsXULTemplateQueryProcessorRDF* aProcessor,
      54                 :                                      nsIAtom* aRefVariable)
      55                 :     : TestNode(nsnull),
      56                 :       mProcessor(aProcessor),
      57                 :       mDocument(nsnull),
      58                 :       mRefVariable(aRefVariable),
      59               0 :       mTag(nsnull)
      60                 : {
      61                 : #ifdef PR_LOGGING
      62               0 :     if (PR_LOG_TEST(gXULTemplateLog, PR_LOG_DEBUG)) {
      63               0 :         nsAutoString tag(NS_LITERAL_STRING("(none)"));
      64               0 :         if (mTag)
      65               0 :             mTag->ToString(tag);
      66                 : 
      67               0 :         nsAutoString refvar(NS_LITERAL_STRING("(none)"));
      68               0 :         if (aRefVariable)
      69               0 :             aRefVariable->ToString(refvar);
      70                 : 
      71               0 :         PR_LOG(gXULTemplateLog, PR_LOG_DEBUG,
      72                 :                ("nsContentTestNode[%p]: ref-var=%s tag=%s",
      73                 :                 this, NS_ConvertUTF16toUTF8(refvar).get(),
      74                 :                 NS_ConvertUTF16toUTF8(tag).get()));
      75                 :     }
      76                 : #endif
      77               0 : }
      78                 : 
      79                 : nsresult
      80               0 : nsContentTestNode::FilterInstantiations(InstantiationSet& aInstantiations,
      81                 :                                         bool* aCantHandleYet) const
      82                 : 
      83                 : {
      84               0 :     if (aCantHandleYet)
      85               0 :         *aCantHandleYet = false;
      86               0 :     return NS_OK;
      87                 : }
      88                 : 
      89                 : nsresult
      90               0 : nsContentTestNode::Constrain(InstantiationSet& aInstantiations)
      91                 : {
      92                 :     // contrain the matches to those that have matched in the template builder
      93                 : 
      94               0 :     nsIXULTemplateBuilder* builder = mProcessor->GetBuilder();
      95               0 :     if (!builder) {
      96               0 :         aInstantiations.Clear();
      97               0 :         return NS_OK;
      98                 :     }
      99                 : 
     100                 :     nsresult rv;
     101                 : 
     102               0 :     InstantiationSet::Iterator last = aInstantiations.Last();
     103               0 :     for (InstantiationSet::Iterator inst = aInstantiations.First(); inst != last; ++inst) {
     104                 : 
     105               0 :         nsCOMPtr<nsIRDFNode> refValue;
     106               0 :         bool hasRefBinding = inst->mAssignments.GetAssignmentFor(mRefVariable,
     107               0 :                                                                    getter_AddRefs(refValue));
     108               0 :         if (hasRefBinding) {
     109               0 :             nsCOMPtr<nsIRDFResource> refResource = do_QueryInterface(refValue);
     110               0 :             if (refResource) {
     111                 :                 bool generated;
     112               0 :                 rv = builder->HasGeneratedContent(refResource, mTag, &generated);
     113               0 :                 if (NS_FAILED(rv)) return rv;
     114                 : 
     115               0 :                 if (generated)
     116               0 :                     continue;
     117                 :             }
     118                 :         }
     119                 : 
     120               0 :         aInstantiations.Erase(inst--);
     121                 :     }
     122                 : 
     123               0 :     return NS_OK;
     124                 : }

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