LCOV - code coverage report
Current view: directory - content/base/src - nsNodeInfo.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 2 100.0 %
Date: 2012-06-02 Functions: 5 5 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       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
      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                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : /*
      39                 :  * Class that represents a prefix/namespace/localName triple; a single
      40                 :  * nodeinfo is shared by all elements in a document that have that
      41                 :  * prefix, namespace, and localName.
      42                 :  */
      43                 : 
      44                 : #ifndef nsNodeInfo_h___
      45                 : #define nsNodeInfo_h___
      46                 : 
      47                 : #include "nsINodeInfo.h"
      48                 : #include "nsNodeInfoManager.h"
      49                 : #include "plhash.h"
      50                 : #include "nsIAtom.h"
      51                 : #include "nsCOMPtr.h"
      52                 : 
      53                 : class nsFixedSizeAllocator;
      54                 : 
      55                 : class nsNodeInfo : public nsINodeInfo
      56                 : {
      57                 : public:
      58           11980 :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      59         1118986 :   NS_DECL_CYCLE_COLLECTION_CLASS(nsNodeInfo)
      60                 : 
      61                 :   // nsINodeInfo
      62                 :   virtual nsresult GetNamespaceURI(nsAString& aNameSpaceURI) const;
      63                 :   virtual bool NamespaceEquals(const nsAString& aNamespaceURI) const;
      64                 : 
      65                 :   // nsNodeInfo
      66                 :   // Create objects with Create
      67                 : public:
      68                 :   /*
      69                 :    * aName and aOwnerManager may not be null.
      70                 :    */
      71                 :   static nsNodeInfo *Create(nsIAtom *aName, nsIAtom *aPrefix,
      72                 :                             PRInt32 aNamespaceID, PRUint16 aNodeType,
      73                 :                             nsIAtom *aExtraName,
      74                 :                             nsNodeInfoManager *aOwnerManager);
      75                 : private:
      76                 :   nsNodeInfo(); // Unimplemented
      77                 :   nsNodeInfo(const nsNodeInfo& aOther); // Unimplemented
      78                 :   nsNodeInfo(nsIAtom *aName, nsIAtom *aPrefix, PRInt32 aNamespaceID,
      79                 :              PRUint16 aNodeType, nsIAtom *aExtraName,
      80                 :              nsNodeInfoManager *aOwnerManager);
      81                 : protected:
      82                 :   virtual ~nsNodeInfo();
      83                 : 
      84                 : public:
      85                 :   /**
      86                 :    * Call before shutdown to clear the cache and free memory for this class.
      87                 :    */
      88                 :   static void ClearCache();
      89                 : 
      90                 : private:
      91                 :   static nsFixedSizeAllocator* sNodeInfoPool;
      92                 : 
      93                 :   /**
      94                 :    * This method gets called by Release() when it's time to delete 
      95                 :    * this object, instead of always deleting the object we'll put the
      96                 :    * object in the cache unless the cache is already full.
      97                 :    */
      98                 :    void LastRelease();
      99                 : };
     100                 : 
     101                 : #define CHECK_VALID_NODEINFO(_nodeType, _name, _namespaceID, _extraName)    \
     102                 : NS_ABORT_IF_FALSE(_nodeType == nsIDOMNode::ELEMENT_NODE ||                  \
     103                 :                   _nodeType == nsIDOMNode::ATTRIBUTE_NODE ||                \
     104                 :                   _nodeType == nsIDOMNode::TEXT_NODE ||                     \
     105                 :                   _nodeType == nsIDOMNode::CDATA_SECTION_NODE ||            \
     106                 :                   _nodeType == nsIDOMNode::PROCESSING_INSTRUCTION_NODE ||   \
     107                 :                   _nodeType == nsIDOMNode::COMMENT_NODE ||                  \
     108                 :                   _nodeType == nsIDOMNode::DOCUMENT_NODE ||                 \
     109                 :                   _nodeType == nsIDOMNode::DOCUMENT_TYPE_NODE ||            \
     110                 :                   _nodeType == nsIDOMNode::DOCUMENT_FRAGMENT_NODE ||        \
     111                 :                   _nodeType == PR_UINT16_MAX,                               \
     112                 :                   "Invalid nodeType");                                      \
     113                 : NS_ABORT_IF_FALSE((_nodeType == nsIDOMNode::PROCESSING_INSTRUCTION_NODE ||  \
     114                 :                    _nodeType == nsIDOMNode::DOCUMENT_TYPE_NODE) ==          \
     115                 :                   (_extraName != nsnull),                                   \
     116                 :                   "Supply aExtraName for and only for PIs and doctypes");   \
     117                 : NS_ABORT_IF_FALSE(_nodeType == nsIDOMNode::ELEMENT_NODE ||                  \
     118                 :                   _nodeType == nsIDOMNode::ATTRIBUTE_NODE ||                \
     119                 :                   _nodeType == PR_UINT16_MAX ||                             \
     120                 :                   aNamespaceID == kNameSpaceID_None,                        \
     121                 :                   "Only attributes and elements can be in a namespace");    \
     122                 : NS_ABORT_IF_FALSE(_name && _name != nsGkAtoms::_empty, "Invalid localName");\
     123                 : NS_ABORT_IF_FALSE(((_nodeType == nsIDOMNode::TEXT_NODE) ==                  \
     124                 :                    (_name == nsGkAtoms::textTagName)) &&                    \
     125                 :                   ((_nodeType == nsIDOMNode::CDATA_SECTION_NODE) ==         \
     126                 :                    (_name == nsGkAtoms::cdataTagName)) &&                   \
     127                 :                   ((_nodeType == nsIDOMNode::COMMENT_NODE) ==               \
     128                 :                    (_name == nsGkAtoms::commentTagName)) &&                 \
     129                 :                   ((_nodeType == nsIDOMNode::DOCUMENT_NODE) ==              \
     130                 :                    (_name == nsGkAtoms::documentNodeName)) &&               \
     131                 :                   ((_nodeType == nsIDOMNode::DOCUMENT_FRAGMENT_NODE) ==     \
     132                 :                    (_name == nsGkAtoms::documentFragmentNodeName)) &&       \
     133                 :                   ((_nodeType == nsIDOMNode::DOCUMENT_TYPE_NODE) ==         \
     134                 :                    (_name == nsGkAtoms::documentTypeNodeName)) &&           \
     135                 :                   ((_nodeType == nsIDOMNode::PROCESSING_INSTRUCTION_NODE) ==\
     136                 :                    (_name == nsGkAtoms::processingInstructionTagName)),     \
     137                 :                   "Wrong localName for nodeType");
     138                 : 
     139                 : #endif /* nsNodeInfo_h___ */

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