mirror of
https://github.com/rn10950/RetroZilla.git
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157 lines
4.4 KiB
C++
157 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TransforMiiX XSLT processor code.
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*
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* The Initial Developer of the Original Code is
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* The MITRE Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Keith Visco <kvisco@ziplink.net> (Original Author)
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* Larry Fitzpatrick, OpenText <lef@opentext.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef TRANSFRMX_EXPRRESULT_H
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#define TRANSFRMX_EXPRRESULT_H
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#include "nsString.h"
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#include "nsAutoPtr.h"
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#include "txCore.h"
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#include "txResultRecycler.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 txAExprResult : public TxObject
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{
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public:
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friend class txResultRecycler;
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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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txAExprResult(txResultRecycler* aRecycler) : mRecycler(aRecycler) {}
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virtual ~txAExprResult() {};
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void AddRef()
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{
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++mRefCnt;
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}
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void Release(); // Implemented in txResultRecycler.cpp
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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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private:
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nsAutoRefCnt mRefCnt;
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nsRefPtr<txResultRecycler> mRecycler;
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};
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#define TX_DECL_EXPRRESULT \
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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 txAExprResult {
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public:
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BooleanResult(MBool aValue);
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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 txAExprResult {
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public:
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NumberResult(double aValue, txResultRecycler* aRecycler);
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TX_DECL_EXPRRESULT
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double value;
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};
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class StringResult : public txAExprResult {
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public:
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StringResult(txResultRecycler* aRecycler);
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StringResult(const nsAString& aValue, txResultRecycler* aRecycler);
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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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