92a3bdc409
r/sr=peterv git-svn-id: svn://10.0.0.236/trunk@145628 18797224-902f-48f8-a5cc-f745e15eee43
146 lines
3.5 KiB
C++
146 lines
3.5 KiB
C++
/*
|
|
* The contents of this file are subject to the Mozilla Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is TransforMiiX XSLT processor.
|
|
*
|
|
* The Initial Developer of the Original Code is The MITRE Corporation.
|
|
* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
|
|
*
|
|
* Portions created by Keith Visco as a Non MITRE employee,
|
|
* (C) 1999 Keith Visco. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Keith Visco, kvisco@ziplink.net
|
|
* -- original author.
|
|
* Larry Fitzpatrick, OpenText, lef@opentext.com
|
|
* -- changed constant short result types to enum
|
|
*
|
|
*/
|
|
|
|
#ifndef TRANSFRMX_EXPRRESULT_H
|
|
#define TRANSFRMX_EXPRRESULT_H
|
|
|
|
#include "primitives.h"
|
|
#include "TxObject.h"
|
|
#include "nsString.h"
|
|
#include "txResultRecycler.h"
|
|
#include "nsAutoPtr.h"
|
|
|
|
/*
|
|
* ExprResult
|
|
*
|
|
* Classes Represented:
|
|
* BooleanResult, ExprResult, NumberResult, StringResult
|
|
*
|
|
* Note: for NodeSet, see NodeSet.h
|
|
*/
|
|
|
|
class txAExprResult : public TxObject
|
|
{
|
|
public:
|
|
friend class txResultRecycler;
|
|
enum ResultType {
|
|
NODESET,
|
|
BOOLEAN,
|
|
NUMBER,
|
|
STRING,
|
|
RESULT_TREE_FRAGMENT
|
|
};
|
|
|
|
txAExprResult(txResultRecycler* aRecycler) : mRecycler(aRecycler) {}
|
|
virtual ~txAExprResult() {};
|
|
|
|
void AddRef()
|
|
{
|
|
++mRefCnt;
|
|
}
|
|
|
|
void Release(); // Implemented in txResultRecycler.cpp
|
|
|
|
/**
|
|
* Returns the type of ExprResult represented
|
|
* @return the type of ExprResult represented
|
|
**/
|
|
virtual short getResultType() = 0;
|
|
|
|
/**
|
|
* Creates a String representation of this ExprResult
|
|
* @param str the destination string to append the String representation to.
|
|
**/
|
|
virtual void stringValue(nsAString& str) = 0;
|
|
|
|
/**
|
|
* Returns a pointer to the stringvalue if possible. Otherwise null is
|
|
* returned.
|
|
*/
|
|
virtual nsAString* stringValuePointer() = 0;
|
|
|
|
/**
|
|
* Converts this ExprResult to a Boolean (MBool) value
|
|
* @return the Boolean value
|
|
**/
|
|
virtual MBool booleanValue() = 0;
|
|
|
|
/**
|
|
* Converts this ExprResult to a Number (double) value
|
|
* @return the Number value
|
|
**/
|
|
virtual double numberValue() = 0;
|
|
|
|
private:
|
|
nsAutoRefCnt mRefCnt;
|
|
nsRefPtr<txResultRecycler> mRecycler;
|
|
};
|
|
|
|
#define TX_DECL_EXPRRESULT \
|
|
virtual short getResultType(); \
|
|
virtual void stringValue(nsAString& str); \
|
|
virtual nsAString* stringValuePointer(); \
|
|
virtual PRBool booleanValue(); \
|
|
virtual double numberValue(); \
|
|
|
|
|
|
class BooleanResult : public txAExprResult {
|
|
|
|
public:
|
|
BooleanResult(MBool aValue);
|
|
|
|
TX_DECL_EXPRRESULT
|
|
|
|
private:
|
|
MBool value;
|
|
};
|
|
|
|
class NumberResult : public txAExprResult {
|
|
|
|
public:
|
|
NumberResult(double aValue, txResultRecycler* aRecycler);
|
|
|
|
TX_DECL_EXPRRESULT
|
|
|
|
double value;
|
|
|
|
};
|
|
|
|
|
|
class StringResult : public txAExprResult {
|
|
public:
|
|
StringResult(txResultRecycler* aRecycler);
|
|
StringResult(const nsAString& aValue, txResultRecycler* aRecycler);
|
|
|
|
TX_DECL_EXPRRESULT
|
|
|
|
nsString mValue;
|
|
};
|
|
|
|
#endif
|
|
|