LCOV - code coverage report
Current view: directory - layout/base - nsQuoteList.h (source / functions) Found Hit Coverage
Test: app.info Lines: 21 0 0.0 %
Date: 2012-06-02 Functions: 12 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                 :  * Esben Mose Hansen.
      19                 :  *
      20                 :  * Contributor(s):
      21                 :  *   Esben Mose Hansen <esben@oek.dk> (original author)
      22                 :  *   L. David Baron <dbaron@dbaron.org>
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * 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                 : /* implementation of quotes for the CSS 'content' property */
      39                 : 
      40                 : #ifndef nsQuoteList_h___
      41                 : #define nsQuoteList_h___
      42                 : 
      43                 : #include "nsGenConList.h"
      44                 : 
      45               0 : struct nsQuoteNode : public nsGenConNode {
      46                 :   // open-quote, close-quote, no-open-quote, or no-close-quote
      47                 :   const nsStyleContentType mType;
      48                 : 
      49                 :   // Quote depth before this quote, which is always non-negative.
      50                 :   PRInt32 mDepthBefore;
      51                 : 
      52               0 :   nsQuoteNode(nsStyleContentType& aType, PRUint32 aContentIndex)
      53                 :     : nsGenConNode(aContentIndex)
      54                 :     , mType(aType)
      55               0 :     , mDepthBefore(0)
      56                 :   {
      57               0 :     NS_ASSERTION(aType == eStyleContentType_OpenQuote ||
      58                 :                  aType == eStyleContentType_CloseQuote ||
      59                 :                  aType == eStyleContentType_NoOpenQuote ||
      60                 :                  aType == eStyleContentType_NoCloseQuote,
      61                 :                  "incorrect type");
      62               0 :     NS_ASSERTION(aContentIndex <= PR_INT32_MAX, "out of range");
      63               0 :   }
      64                 : 
      65                 :   virtual bool InitTextFrame(nsGenConList* aList, 
      66                 :           nsIFrame* aPseudoFrame, nsIFrame* aTextFrame);
      67                 : 
      68                 :   // is this 'open-quote' or 'no-open-quote'?
      69               0 :   bool IsOpenQuote() {
      70                 :     return mType == eStyleContentType_OpenQuote ||
      71               0 :            mType == eStyleContentType_NoOpenQuote;
      72                 :   }
      73                 : 
      74                 :   // is this 'close-quote' or 'no-close-quote'?
      75                 :   bool IsCloseQuote() {
      76                 :     return !IsOpenQuote();
      77                 :   }
      78                 : 
      79                 :   // is this 'open-quote' or 'close-quote'?
      80               0 :   bool IsRealQuote() {
      81                 :     return mType == eStyleContentType_OpenQuote ||
      82               0 :            mType == eStyleContentType_CloseQuote;
      83                 :   }
      84                 : 
      85                 :   // Depth of the quote for *this* node.  Either non-negative or -1.
      86                 :   // -1 means this is a closing quote that tried to decrement the
      87                 :   // counter below zero (which means no quote should be rendered).
      88               0 :   PRInt32 Depth() {
      89               0 :     return IsOpenQuote() ? mDepthBefore : mDepthBefore - 1;
      90                 :   }
      91                 : 
      92                 :   // always non-negative
      93               0 :   PRInt32 DepthAfter() {
      94               0 :     return IsOpenQuote() ? mDepthBefore + 1
      95               0 :                          : (mDepthBefore == 0 ? 0 : mDepthBefore - 1);
      96                 :   }
      97                 : 
      98                 :   // The text that should be displayed for this quote.
      99                 :   const nsString* Text();
     100                 : };
     101                 : 
     102               0 : class nsQuoteList : public nsGenConList {
     103                 : private:
     104               0 :   nsQuoteNode* FirstNode() { return static_cast<nsQuoteNode*>(mFirstNode); }
     105                 : public:
     106                 :   // assign the correct |mDepthBefore| value to a node that has been inserted
     107                 :   // Should be called immediately after calling |Insert|.
     108                 :   void Calc(nsQuoteNode* aNode);
     109                 : 
     110               0 :   nsQuoteNode* Next(nsQuoteNode* aNode) {
     111               0 :     return static_cast<nsQuoteNode*>(nsGenConList::Next(aNode));
     112                 :   }
     113               0 :   nsQuoteNode* Prev(nsQuoteNode* aNode) {
     114               0 :     return static_cast<nsQuoteNode*>(nsGenConList::Prev(aNode));
     115                 :   }
     116                 :   
     117                 :   void RecalcAll();
     118                 : #ifdef DEBUG
     119                 :   void PrintChain();
     120                 : #endif
     121                 : };
     122                 : 
     123                 : #endif /* nsQuoteList_h___ */

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