mirror of
https://github.com/rn10950/RetroZilla.git
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136 lines
3.9 KiB
C++
136 lines
3.9 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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* Jonas Sicking.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Jonas Sicking <sicking@bigfoot.com>
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* Peter Van der Beken <peterv@propagandism.org>
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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_XPATHRESULTCOMPARATOR_H
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#define TRANSFRMX_XPATHRESULTCOMPARATOR_H
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#include "txCore.h"
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#ifndef TX_EXE
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#include "nsCOMPtr.h"
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#include "nsICollation.h"
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#endif
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#include "nsString.h"
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class txAExprResult;
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/*
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* Result comparators
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*/
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class txXPathResultComparator
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{
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public:
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virtual ~txXPathResultComparator()
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{
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}
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/*
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* Compares two XPath results. Returns -1 if val1 < val2,
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* 1 if val1 > val2 and 0 if val1 == val2.
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*/
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virtual int compareValues(TxObject* val1, TxObject* val2) = 0;
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/*
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* Create a sortable value.
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*/
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virtual TxObject* createSortableValue(txAExprResult* exprRes) = 0;
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};
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/*
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* Compare results as stings (data-type="text")
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*/
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class txResultStringComparator : public txXPathResultComparator
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{
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public:
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txResultStringComparator(MBool aAscending, MBool aUpperFirst,
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const nsAFlatString& aLanguage);
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virtual ~txResultStringComparator();
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int compareValues(TxObject* aVal1, TxObject* aVal2);
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TxObject* createSortableValue(txAExprResult* aExprRes);
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private:
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#ifndef TX_EXE
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nsCOMPtr<nsICollation> mCollation;
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nsresult init(const nsAFlatString& aLanguage);
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nsresult createRawSortKey(const PRInt32 aStrength,
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const nsString& aString,
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PRUint8** aKey,
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PRUint32* aLength);
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#endif
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int mSorting;
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class StringValue : public TxObject
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{
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public:
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#ifdef TX_EXE
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nsString mStr;
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#else
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StringValue();
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~StringValue();
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PRUint8* mKey;
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void* mCaseKey;
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PRUint32 mLength, mCaseLength;
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#endif
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};
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};
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/*
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* Compare results as numbers (data-type="number")
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*/
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class txResultNumberComparator : public txXPathResultComparator
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{
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public:
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txResultNumberComparator(MBool aAscending);
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virtual ~txResultNumberComparator();
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int compareValues(TxObject* aVal1, TxObject* aVal2);
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TxObject* createSortableValue(txAExprResult* aExprRes);
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private:
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int mAscending;
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class NumberValue : public TxObject
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{
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public:
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double mVal;
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};
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};
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#endif
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