LCOV - code coverage report
Current view: directory - content/xslt/src/xpath - txExprResult.h (source / functions) Found Hit Coverage
Test: app.info Lines: 12 11 91.7 %
Date: 2012-06-02 Functions: 10 7 70.0 %

       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 TransforMiiX XSLT processor code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * The MITRE Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Keith Visco <kvisco@ziplink.net> (Original Author)
      24                 :  *   Larry Fitzpatrick, OpenText <lef@opentext.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #ifndef TRANSFRMX_EXPRRESULT_H
      41                 : #define TRANSFRMX_EXPRRESULT_H
      42                 : 
      43                 : #include "nsString.h"
      44                 : #include "nsAutoPtr.h"
      45                 : #include "txCore.h"
      46                 : #include "txResultRecycler.h"
      47                 : 
      48                 : /*
      49                 :  * ExprResult
      50                 :  *
      51                 :  * Classes Represented:
      52                 :  * BooleanResult, ExprResult, NumberResult, StringResult
      53                 :  *
      54                 :  * Note: for NodeSet, see NodeSet.h
      55                 : */
      56                 : 
      57                 : class txAExprResult
      58                 : {
      59                 : public:
      60                 :     friend class txResultRecycler;
      61                 : 
      62                 :     // Update txLiteralExpr::getReturnType and sTypes in txEXSLTFunctions.cpp if
      63                 :     // this enum is changed.
      64                 :     enum ResultType {
      65                 :         NODESET = 0,
      66                 :         BOOLEAN,
      67                 :         NUMBER,
      68                 :         STRING,
      69                 :         RESULT_TREE_FRAGMENT
      70                 :     };
      71                 : 
      72               8 :     txAExprResult(txResultRecycler* aRecycler) : mRecycler(aRecycler)
      73                 :     {
      74               8 :     }
      75               8 :     virtual ~txAExprResult()
      76               8 :     {
      77              16 :     }
      78                 : 
      79             132 :     void AddRef()
      80                 :     {
      81             132 :         ++mRefCnt;
      82             132 :         NS_LOG_ADDREF(this, mRefCnt, "txAExprResult", sizeof(*this));
      83             132 :     }
      84                 :     
      85                 :     void Release(); // Implemented in txResultRecycler.cpp
      86                 : 
      87                 :     /**
      88                 :      * Returns the type of ExprResult represented
      89                 :      * @return the type of ExprResult represented
      90                 :     **/
      91                 :     virtual short getResultType()      = 0;
      92                 : 
      93                 :     /**
      94                 :      * Creates a String representation of this ExprResult
      95                 :      * @param aResult the destination string to append the String
      96                 :      *                representation to.
      97                 :     **/
      98                 :     virtual void stringValue(nsString& aResult) = 0;
      99                 : 
     100                 :     /**
     101                 :      * Returns a pointer to the stringvalue if possible. Otherwise null is
     102                 :      * returned.
     103                 :      */
     104                 :     virtual const nsString* stringValuePointer() = 0;
     105                 : 
     106                 :     /**
     107                 :      * Converts this ExprResult to a Boolean (bool) value
     108                 :      * @return the Boolean value
     109                 :     **/
     110                 :     virtual bool booleanValue()          = 0;
     111                 : 
     112                 :     /**
     113                 :      * Converts this ExprResult to a Number (double) value
     114                 :      * @return the Number value
     115                 :     **/
     116                 :     virtual double numberValue()          = 0;
     117                 : 
     118                 : private:
     119                 :     nsAutoRefCnt mRefCnt;
     120                 :     nsRefPtr<txResultRecycler> mRecycler;
     121                 : };
     122                 : 
     123                 : #define TX_DECL_EXPRRESULT                                        \
     124                 :     virtual short getResultType();                                \
     125                 :     virtual void stringValue(nsString& aString);                  \
     126                 :     virtual const nsString* stringValuePointer();                 \
     127                 :     virtual bool booleanValue();                                \
     128                 :     virtual double numberValue();                                 \
     129                 : 
     130                 : 
     131              16 : class BooleanResult : public txAExprResult {
     132                 : 
     133                 : public:
     134                 :     BooleanResult(bool aValue);
     135                 : 
     136                 :     TX_DECL_EXPRRESULT
     137                 : 
     138                 : private:
     139                 :     bool value;
     140                 : };
     141                 : 
     142               0 : class NumberResult : public txAExprResult {
     143                 : 
     144                 : public:
     145                 :     NumberResult(double aValue, txResultRecycler* aRecycler);
     146                 : 
     147                 :     TX_DECL_EXPRRESULT
     148                 : 
     149                 :     double value;
     150                 : 
     151                 : };
     152                 : 
     153                 : 
     154               8 : class StringResult : public txAExprResult {
     155                 : public:
     156                 :     StringResult(txResultRecycler* aRecycler);
     157                 :     StringResult(const nsAString& aValue, txResultRecycler* aRecycler);
     158                 : 
     159                 :     TX_DECL_EXPRRESULT
     160                 : 
     161                 :     nsString mValue;
     162                 : };
     163                 : 
     164                 : #endif
     165                 : 

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