LCOV - code coverage report
Current view: directory - content/xul/templates/src - nsTemplateMap.h (source / functions) Found Hit Coverage
Test: app.info Lines: 24 0 0.0 %
Date: 2012-06-02 Functions: 8 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                 : #ifndef nsTemplateMap_h__
      40                 : #define nsTemplateMap_h__
      41                 : 
      42                 : #include "pldhash.h"
      43                 : #include "nsXULElement.h"
      44                 : 
      45                 : class nsTemplateMap {
      46                 : protected:
      47                 :     struct Entry {
      48                 :         PLDHashEntryHdr mHdr;
      49                 :         nsIContent*     mContent;
      50                 :         nsIContent*     mTemplate;
      51                 :     };
      52                 : 
      53                 :     PLDHashTable mTable;
      54                 : 
      55                 :     void
      56               0 :     Init() { PL_DHashTableInit(&mTable, PL_DHashGetStubOps(), nsnull, sizeof(Entry), PL_DHASH_MIN_SIZE); }
      57                 : 
      58                 :     void
      59               0 :     Finish() { PL_DHashTableFinish(&mTable); }
      60                 : 
      61                 : public:
      62               0 :     nsTemplateMap() { Init(); }
      63                 : 
      64               0 :     ~nsTemplateMap() { Finish(); }
      65                 : 
      66                 :     void
      67               0 :     Put(nsIContent* aContent, nsIContent* aTemplate) {
      68               0 :         NS_ASSERTION(PL_DHASH_ENTRY_IS_FREE(PL_DHashTableOperate(&mTable, aContent, PL_DHASH_LOOKUP)),
      69                 :                      "aContent already in map");
      70                 : 
      71                 :         Entry* entry =
      72               0 :             reinterpret_cast<Entry*>(PL_DHashTableOperate(&mTable, aContent, PL_DHASH_ADD));
      73                 : 
      74               0 :         if (entry) {
      75               0 :             entry->mContent = aContent;
      76               0 :             entry->mTemplate = aTemplate;
      77                 :         }
      78               0 :     }
      79                 : 
      80                 :     void
      81               0 :     Remove(nsIContent* aContent) {
      82               0 :         PL_DHashTableOperate(&mTable, aContent, PL_DHASH_REMOVE);
      83                 : 
      84               0 :         for (nsIContent* child = aContent->GetFirstChild();
      85                 :              child;
      86               0 :              child = child->GetNextSibling()) {
      87               0 :             Remove(child);
      88                 :         }
      89               0 :     }
      90                 : 
      91                 : 
      92                 :     void
      93               0 :     GetTemplateFor(nsIContent* aContent, nsIContent** aResult) {
      94                 :         Entry* entry =
      95               0 :             reinterpret_cast<Entry*>(PL_DHashTableOperate(&mTable, aContent, PL_DHASH_LOOKUP));
      96                 : 
      97               0 :         if (PL_DHASH_ENTRY_IS_BUSY(&entry->mHdr))
      98               0 :             NS_IF_ADDREF(*aResult = entry->mTemplate);
      99                 :         else
     100               0 :             *aResult = nsnull;
     101               0 :     }
     102                 : 
     103                 :     void
     104               0 :     Clear() { Finish(); Init(); }
     105                 : };
     106                 : 
     107                 : #endif // nsTemplateMap_h__
     108                 : 

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