LCOV - code coverage report
Current view: directory - content/xslt/src/xpath - nsXPathExpression.h (source / functions) Found Hit Coverage
Test: app.info Lines: 7 7 100.0 %
Date: 2012-06-02 Functions: 9 8 88.9 %

       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 TransforMiiX XSLT processor 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) 2001
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Peter Van der Beken <peterv@propagandism.org>
      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                 : #ifndef nsXPathExpression_h__
      40                 : #define nsXPathExpression_h__
      41                 : 
      42                 : #include "nsIDOMXPathExpression.h"
      43                 : #include "nsIDOMNSXPathExpression.h"
      44                 : #include "txIXPathContext.h"
      45                 : #include "txResultRecycler.h"
      46                 : #include "nsAutoPtr.h"
      47                 : #include "nsCycleCollectionParticipant.h"
      48                 : 
      49                 : class Expr;
      50                 : class txXPathNode;
      51                 : 
      52                 : /**
      53                 :  * A class for evaluating an XPath expression string
      54                 :  */
      55                 : class nsXPathExpression : public nsIDOMXPathExpression,
      56                 :                           public nsIDOMNSXPathExpression
      57              42 : {
      58                 : public:
      59                 :     nsXPathExpression(nsAutoPtr<Expr>& aExpression, txResultRecycler* aRecycler,
      60                 :                       nsIDOMDocument *aDocument);
      61                 : 
      62                 :     // nsISupports interface
      63              26 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      64            2144 :     NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXPathExpression,
      65                 :                                              nsIDOMXPathExpression)
      66                 : 
      67                 :     // nsIDOMXPathExpression interface
      68                 :     NS_DECL_NSIDOMXPATHEXPRESSION
      69                 : 
      70                 :     // nsIDOMNSXPathExpression interface
      71                 :     NS_DECL_NSIDOMNSXPATHEXPRESSION
      72                 : 
      73                 : private:
      74                 :     nsAutoPtr<Expr> mExpression;
      75                 :     nsRefPtr<txResultRecycler> mRecycler;
      76                 :     nsCOMPtr<nsIDOMDocument> mDocument;
      77                 : 
      78                 :     class EvalContextImpl : public txIEvalContext
      79              84 :     {
      80                 :     public:
      81              42 :         EvalContextImpl(const txXPathNode& aContextNode,
      82                 :                         PRUint32 aContextPosition, PRUint32 aContextSize,
      83                 :                         txResultRecycler* aRecycler)
      84                 :             : mContextNode(aContextNode),
      85                 :               mContextPosition(aContextPosition),
      86                 :               mContextSize(aContextSize),
      87                 :               mLastError(NS_OK),
      88              42 :               mRecycler(aRecycler)
      89                 :         {
      90              42 :         }
      91                 : 
      92                 :         nsresult getError()
      93                 :         {
      94                 :             return mLastError;
      95                 :         }
      96                 : 
      97                 :         TX_DECL_EVAL_CONTEXT;
      98                 : 
      99                 :     private:
     100                 :         const txXPathNode& mContextNode;
     101                 :         PRUint32 mContextPosition;
     102                 :         PRUint32 mContextSize;
     103                 :         nsresult mLastError;
     104                 :         nsRefPtr<txResultRecycler> mRecycler;
     105                 :     };
     106                 : };
     107                 : 
     108                 : #endif

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