143 lines
3.2 KiB
C++
143 lines
3.2 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"
|
|
|
|
/*
|
|
* ExprResult
|
|
*
|
|
* Classes Represented:
|
|
* BooleanResult, ExprResult, NumberResult, StringResult
|
|
*
|
|
* Note: for NodeSet, see NodeSet.h
|
|
*/
|
|
|
|
class ExprResult : public TxObject {
|
|
|
|
public:
|
|
|
|
//-- ResultTypes
|
|
enum ResultType {
|
|
NODESET,
|
|
BOOLEAN,
|
|
NUMBER,
|
|
STRING,
|
|
RESULT_TREE_FRAGMENT
|
|
};
|
|
|
|
virtual ~ExprResult() {};
|
|
|
|
/*
|
|
* Clones this ExprResult
|
|
* @return clone of this ExprResult
|
|
*/
|
|
virtual ExprResult* clone() = 0;
|
|
|
|
/**
|
|
* 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;
|
|
|
|
/**
|
|
* 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;
|
|
|
|
};
|
|
|
|
class BooleanResult : public ExprResult {
|
|
|
|
public:
|
|
|
|
BooleanResult();
|
|
BooleanResult(MBool boolean);
|
|
|
|
virtual ExprResult* clone();
|
|
virtual short getResultType();
|
|
virtual void stringValue(nsAString& str);
|
|
virtual MBool booleanValue();
|
|
virtual double numberValue();
|
|
|
|
private:
|
|
MBool value;
|
|
};
|
|
|
|
class NumberResult : public ExprResult {
|
|
|
|
public:
|
|
|
|
NumberResult();
|
|
NumberResult(double dbl);
|
|
|
|
virtual ExprResult* clone();
|
|
virtual short getResultType();
|
|
virtual void stringValue(nsAString& str);
|
|
virtual MBool booleanValue();
|
|
virtual double numberValue();
|
|
|
|
private:
|
|
double value;
|
|
|
|
};
|
|
|
|
|
|
class StringResult : public ExprResult {
|
|
public:
|
|
StringResult();
|
|
StringResult(const nsAString& str);
|
|
|
|
virtual ExprResult* clone();
|
|
virtual short getResultType();
|
|
virtual void stringValue(nsAString& str);
|
|
virtual MBool booleanValue();
|
|
virtual double numberValue();
|
|
|
|
nsString mValue;
|
|
};
|
|
|
|
#endif
|
|
|