3a23086c46
r=Pike sr=peterv a=asa git-svn-id: svn://10.0.0.236/trunk@142227 18797224-902f-48f8-a5cc-f745e15eee43
146 lines
3.4 KiB
C++
146 lines
3.4 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is TransforMiiX XSLT processor.
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*
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* The Initial Developer of the Original Code is The MITRE Corporation.
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* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
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*
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* Portions created by Keith Visco as a Non MITRE employee,
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* (C) 1999 Keith Visco. All Rights Reserved.
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*
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* Contributor(s):
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* Keith Visco, kvisco@ziplink.net
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* -- original author.
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* Larry Fitzpatrick, OpenText, lef@opentext.com
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* -- changed constant short result types to enum
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*
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*/
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#ifndef TRANSFRMX_EXPRRESULT_H
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#define TRANSFRMX_EXPRRESULT_H
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#include "primitives.h"
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#include "TxObject.h"
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#include "nsString.h"
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/*
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* ExprResult
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*
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* Classes Represented:
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* BooleanResult, ExprResult, NumberResult, StringResult
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*
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* Note: for NodeSet, see NodeSet.h
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*/
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class ExprResult : public TxObject {
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public:
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//-- ResultTypes
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enum ResultType {
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NODESET,
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BOOLEAN,
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NUMBER,
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STRING,
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RESULT_TREE_FRAGMENT
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};
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virtual ~ExprResult() {};
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/*
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* Clones this ExprResult
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* @return clone of this ExprResult
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*/
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virtual ExprResult* clone() = 0;
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/**
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* Returns the type of ExprResult represented
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* @return the type of ExprResult represented
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**/
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virtual short getResultType() = 0;
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/**
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* Creates a String representation of this ExprResult
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* @param str the destination string to append the String representation to.
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**/
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virtual void stringValue(nsAString& str) = 0;
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/**
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* Returns a pointer to the stringvalue if possible. Otherwise null is
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* returned.
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*/
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virtual nsAString* stringValuePointer() = 0;
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/**
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* Converts this ExprResult to a Boolean (MBool) value
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* @return the Boolean value
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**/
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virtual MBool booleanValue() = 0;
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/**
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* Converts this ExprResult to a Number (double) value
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* @return the Number value
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**/
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virtual double numberValue() = 0;
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};
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#define TX_DECL_EXPRRESULT \
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virtual ExprResult* clone(); \
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virtual short getResultType(); \
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virtual void stringValue(nsAString& str); \
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virtual nsAString* stringValuePointer(); \
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virtual PRBool booleanValue(); \
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virtual double numberValue(); \
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class BooleanResult : public ExprResult {
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public:
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BooleanResult();
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BooleanResult(MBool boolean);
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TX_DECL_EXPRRESULT
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private:
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MBool value;
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};
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class NumberResult : public ExprResult {
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public:
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NumberResult();
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NumberResult(double dbl);
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TX_DECL_EXPRRESULT
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private:
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double value;
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};
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class StringResult : public ExprResult {
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public:
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StringResult();
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StringResult(const nsAString& str);
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TX_DECL_EXPRRESULT
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nsString mValue;
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};
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#endif
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