LCOV - code coverage report
Current view: directory - content/base/src - nsMappedAttributes.h (source / functions) Found Hit Coverage
Test: app.info Lines: 18 0 0.0 %
Date: 2012-06-02 Functions: 9 0 0.0 %

       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                 :  * IBM Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2004
      20                 :  * IBM Corporation. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   IBM Corporation
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * 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                 : /*
      40                 :  * A unique per-element set of attributes that is used as an
      41                 :  * nsIStyleRule; used to implement presentational attributes.
      42                 :  */
      43                 : 
      44                 : #ifndef nsMappedAttributes_h___
      45                 : #define nsMappedAttributes_h___
      46                 : 
      47                 : #include "nsAttrAndChildArray.h"
      48                 : #include "nsMappedAttributeElement.h"
      49                 : #include "nsIStyleRule.h"
      50                 : 
      51                 : class nsIAtom;
      52                 : class nsHTMLStyleSheet;
      53                 : class nsRuleWalker;
      54                 : 
      55                 : class nsMappedAttributes : public nsIStyleRule
      56                 : {
      57                 : public:
      58                 :   nsMappedAttributes(nsHTMLStyleSheet* aSheet,
      59                 :                      nsMapRuleToAttributesFunc aMapRuleFunc);
      60                 : 
      61                 :   void* operator new(size_t size, PRUint32 aAttrCount = 1) CPP_THROW_NEW;
      62                 : 
      63                 :   nsMappedAttributes* Clone(bool aWillAddAttr);
      64                 : 
      65                 :   NS_DECL_ISUPPORTS
      66                 : 
      67                 :   nsresult SetAndTakeAttr(nsIAtom* aAttrName, nsAttrValue& aValue);
      68                 :   const nsAttrValue* GetAttr(nsIAtom* aAttrName) const;
      69                 : 
      70               0 :   PRUint32 Count() const
      71                 :   {
      72               0 :     return mAttrCount;
      73                 :   }
      74                 : 
      75                 :   bool Equals(const nsMappedAttributes* aAttributes) const;
      76                 :   PRUint32 HashValue() const;
      77                 : 
      78               0 :   void DropStyleSheetReference()
      79                 :   {
      80               0 :     mSheet = nsnull;
      81               0 :   }
      82                 :   void SetStyleSheet(nsHTMLStyleSheet* aSheet);
      83               0 :   nsHTMLStyleSheet* GetStyleSheet()
      84                 :   {
      85               0 :     return mSheet;
      86                 :   }
      87                 : 
      88               0 :   const nsAttrName* NameAt(PRUint32 aPos) const
      89                 :   {
      90               0 :     NS_ASSERTION(aPos < mAttrCount, "out-of-bounds");
      91               0 :     return &Attrs()[aPos].mName;
      92                 :   }
      93               0 :   const nsAttrValue* AttrAt(PRUint32 aPos) const
      94                 :   {
      95               0 :     NS_ASSERTION(aPos < mAttrCount, "out-of-bounds");
      96               0 :     return &Attrs()[aPos].mValue;
      97                 :   }
      98                 :   // Remove the attr at position aPos.  The value of the attr is placed in
      99                 :   // aValue; any value that was already in aValue is destroyed.
     100                 :   void RemoveAttrAt(PRUint32 aPos, nsAttrValue& aValue);
     101                 :   const nsAttrName* GetExistingAttrNameFromQName(const nsAString& aName) const;
     102                 :   PRInt32 IndexOfAttr(nsIAtom* aLocalName, PRInt32 aNamespaceID) const;
     103                 :   
     104                 : 
     105                 :   // nsIStyleRule 
     106                 :   virtual void MapRuleInfoInto(nsRuleData* aRuleData);
     107                 : #ifdef DEBUG
     108                 :   virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
     109                 : #endif
     110                 : 
     111                 :   size_t SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const;
     112                 : 
     113                 : private:
     114                 :   nsMappedAttributes(const nsMappedAttributes& aCopy);
     115                 :   ~nsMappedAttributes();
     116                 : 
     117                 :   struct InternalAttr
     118               0 :   {
     119                 :     nsAttrName mName;
     120                 :     nsAttrValue mValue;
     121                 :   };
     122                 : 
     123                 :   /**
     124                 :    * Due to a compiler bug in VisualAge C++ for AIX, we need to return the 
     125                 :    * address of the first index into mAttrs here, instead of simply
     126                 :    * returning mAttrs itself.
     127                 :    *
     128                 :    * See Bug 231104 for more information.
     129                 :    */
     130               0 :   const InternalAttr* Attrs() const
     131                 :   {
     132               0 :     return reinterpret_cast<const InternalAttr*>(&(mAttrs[0]));
     133                 :   }
     134               0 :   InternalAttr* Attrs()
     135                 :   {
     136               0 :     return reinterpret_cast<InternalAttr*>(&(mAttrs[0]));
     137                 :   }
     138                 : 
     139                 :   PRUint16 mAttrCount;
     140                 : #ifdef DEBUG
     141                 :   PRUint16 mBufferSize;
     142                 : #endif
     143                 :   nsHTMLStyleSheet* mSheet; //weak
     144                 :   nsMapRuleToAttributesFunc mRuleMapper;
     145                 :   void* mAttrs[1];
     146                 : };
     147                 : 
     148                 : #endif /* nsMappedAttributes_h___ */

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