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/***************************************************************************
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diff.h - description
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-------------------
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begin : Mon Mar 18 2002
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copyright : (C) 2002-2007 by Joachim Eibl
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email : joachim.eibl at gmx.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef DIFF_H
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#define DIFF_H
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#include <tqwidget.h>
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#include <tqpixmap.h>
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#include <tqtimer.h>
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#include <tqframe.h>
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#include <tqtextstream.h>
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#include <tqpainter.h>
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#include <list>
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#include <vector>
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#include <assert.h>
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#include "common.h"
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#include "fileaccess.h"
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class OptionDialog;
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// Each range with matching elements is followed by a range with differences on either side.
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// Then again range of matching elements should follow.
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struct Diff
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{
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int nofEquals;
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int diff1;
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int diff2;
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Diff(int eq, int d1, int d2){nofEquals=eq; diff1=d1; diff2=d2; }
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};
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typedef std::list<Diff> DiffList;
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struct LineData
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{
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const TQChar* pLine;
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const TQChar* pFirstNonWhiteChar;
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int size;
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LineData(){ pLine=0; pFirstNonWhiteChar=0; size=0; /*occurances=0;*/ bContainsPureComment=false; }
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int width(int tabSize) const; // Calcs width considering tabs.
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//int occurances;
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bool whiteLine() const { return pFirstNonWhiteChar-pLine == size; }
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bool bContainsPureComment;
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};
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class Diff3LineList;
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class Diff3LineVector;
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struct DiffBufferInfo
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{
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const LineData* m_pLineDataA;
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const LineData* m_pLineDataB;
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const LineData* m_pLineDataC;
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int m_sizeA;
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int m_sizeB;
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int m_sizeC;
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const Diff3LineList* m_pDiff3LineList;
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const Diff3LineVector* m_pDiff3LineVector;
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void init( Diff3LineList* d3ll, const Diff3LineVector* d3lv,
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const LineData* pldA, int sizeA, const LineData* pldB, int sizeB, const LineData* pldC, int sizeC );
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};
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struct Diff3Line
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{
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int lineA;
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int lineB;
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int lineC;
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bool bAEqC : 1; // These are true if equal or only white-space changes exist.
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bool bBEqC : 1;
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bool bAEqB : 1;
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bool bWhiteLineA : 1;
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bool bWhiteLineB : 1;
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bool bWhiteLineC : 1;
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DiffList* pFineAB; // These are 0 only if completely equal or if either source doesn't exist.
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DiffList* pFineBC;
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DiffList* pFineCA;
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int linesNeededForDisplay; // Due to wordwrap
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int sumLinesNeededForDisplay; // For fast conversion to m_diff3WrapLineVector
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DiffBufferInfo* m_pDiffBufferInfo; // For convenience
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Diff3Line()
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{
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lineA=-1; lineB=-1; lineC=-1;
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bAEqC=false; bAEqB=false; bBEqC=false;
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pFineAB=0; pFineBC=0; pFineCA=0;
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linesNeededForDisplay=1;
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sumLinesNeededForDisplay=0;
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bWhiteLineA=false; bWhiteLineB=false; bWhiteLineC=false;
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m_pDiffBufferInfo=0;
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}
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~Diff3Line()
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{
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if (pFineAB!=0) delete pFineAB;
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if (pFineBC!=0) delete pFineBC;
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if (pFineCA!=0) delete pFineCA;
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pFineAB=0; pFineBC=0; pFineCA=0;
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}
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bool operator==( const Diff3Line& d3l )
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{
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return lineA == d3l.lineA && lineB == d3l.lineB && lineC == d3l.lineC
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&& bAEqB == d3l.bAEqB && bAEqC == d3l.bAEqC && bBEqC == d3l.bBEqC;
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}
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const LineData* getLineData( int src ) const
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{
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assert( m_pDiffBufferInfo!=0 );
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if ( src == 1 && lineA >= 0 ) return &m_pDiffBufferInfo->m_pLineDataA[lineA];
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if ( src == 2 && lineB >= 0 ) return &m_pDiffBufferInfo->m_pLineDataB[lineB];
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if ( src == 3 && lineC >= 0 ) return &m_pDiffBufferInfo->m_pLineDataC[lineC];
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return 0;
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}
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TQString getString( int src ) const
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{
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const LineData* pld = getLineData(src);
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if ( pld )
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return TQString( pld->pLine, pld->size);
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else
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return TQString();
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}
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int getLineInFile( int src ) const
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{
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if ( src == 1 ) return lineA;
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if ( src == 2 ) return lineB;
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if ( src == 3 ) return lineC;
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return -1;
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}
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};
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class Diff3LineList : public std::list<Diff3Line>
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{
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};
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class Diff3LineVector : public std::vector<Diff3Line*>
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{
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};
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class Diff3WrapLine
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{
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public:
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Diff3Line* pD3L;
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int diff3LineIndex;
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int wrapLineOffset;
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int wrapLineLength;
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};
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typedef std::vector<Diff3WrapLine> Diff3WrapLineVector;
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class TotalDifftqStatus
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{
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public:
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TotalDifftqStatus(){ reset(); }
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void reset() {bBinaryAEqC=false; bBinaryBEqC=false; bBinaryAEqB=false;
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bTextAEqC=false; bTextBEqC=false; bTextAEqB=false;
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nofUnsolvedConflicts=0; nofSolvedConflicts=0;
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nofWhitespaceConflicts=0;
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}
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bool bBinaryAEqC;
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bool bBinaryBEqC;
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bool bBinaryAEqB;
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bool bTextAEqC;
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bool bTextBEqC;
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bool bTextAEqB;
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int nofUnsolvedConflicts;
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int nofSolvedConflicts;
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int nofWhitespaceConflicts;
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};
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// Three corresponding ranges. (Minimum size of a valid range is one line.)
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class ManualDiffHelpEntry
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{
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public:
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ManualDiffHelpEntry() { lineA1=-1; lineA2=-1;
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lineB1=-1; lineB2=-1;
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lineC1=-1; lineC2=-1; }
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int lineA1;
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int lineA2;
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int lineB1;
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int lineB2;
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int lineC1;
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int lineC2;
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int& firstLine( int winIdx )
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{
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return winIdx==1 ? lineA1 : (winIdx==2 ? lineB1 : lineC1 );
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}
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int& lastLine( int winIdx )
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{
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return winIdx==1 ? lineA2 : (winIdx==2 ? lineB2 : lineC2 );
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}
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bool isLineInRange( int line, int winIdx )
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{
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return line>=0 && line>=firstLine(winIdx) && line<=lastLine(winIdx);
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}
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bool operator==(const ManualDiffHelpEntry& r) const
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{
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return lineA1 == r.lineA1 && lineB1 == r.lineB1 && lineC1 == r.lineC1 &&
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lineA2 == r.lineA2 && lineB2 == r.lineB2 && lineC2 == r.lineC2;
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}
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};
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// A list of corresponding ranges
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typedef std::list<ManualDiffHelpEntry> ManualDiffHelpList;
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void calcDiff3LineListUsingAB(
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const DiffList* pDiffListAB,
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Diff3LineList& d3ll
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);
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void calcDiff3LineListUsingAC(
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const DiffList* pDiffListBC,
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Diff3LineList& d3ll
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);
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void calcDiff3LineListUsingBC(
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const DiffList* pDiffListBC,
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Diff3LineList& d3ll
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);
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void correctManualDiffAlignment( Diff3LineList& d3ll, ManualDiffHelpList* pManualDiffHelpList );
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class SourceData
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{
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public:
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SourceData();
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~SourceData();
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void setOptionDialog( OptionDialog* pOptionDialog );
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int getSizeLines() const;
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int getSizeBytes() const;
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const char* getBuf() const;
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const LineData* getLineDataForDisplay() const;
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const LineData* getLineDataForDiff() const;
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void setFilename(const TQString& filename);
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void setFileAccess( const FileAccess& fa );
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//FileAccess& getFileAccess();
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TQString getFilename();
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void setAliasName(const TQString& a);
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TQString getAliasName();
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bool isEmpty(); // File was set
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bool hasData(); // Data was readable
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bool isText(); // is it pure text (vs. binary data)
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bool isFromBuffer(); // was it set via setData() (vs. setFileAccess() or setFilename())
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void setData( const TQString& data );
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bool isValid(); // Either no file is specified or reading was successful
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void readAndPreprocess(TQTextCodec* pEncoding, bool bAutoDetectUnicode );
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bool saveNormalDataAs( const TQString& fileName );
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bool isBinaryEqualWith( const SourceData& other ) const;
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void reset();
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TQTextCodec* getEncoding() const { return m_pEncoding; }
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private:
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TQTextCodec* detectEncoding( const TQString& fileName, TQTextCodec* pFallbackCodec );
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TQString m_aliasName;
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FileAccess m_fileAccess;
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OptionDialog* m_pOptionDialog;
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TQString m_tempInputFileName;
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struct FileData
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{
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FileData(){ m_pBuf=0; m_size=0; m_vSize=0; m_bIsText=false; }
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~FileData(){ reset(); }
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const char* m_pBuf;
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int m_size;
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int m_vSize; // Nr of lines in m_pBuf1 and size of m_v1, m_dv12 and m_dv13
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TQString m_tqunicodeBuf;
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std::vector<LineData> m_v;
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bool m_bIsText;
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bool readFile( const TQString& filename );
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bool writeFile( const TQString& filename );
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void preprocess(bool bPreserveCR, TQTextCodec* pEncoding );
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void reset();
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void removeComments();
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void copyBufFrom( const FileData& src );
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};
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FileData m_normalData;
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FileData m_lmppData;
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TQTextCodec* m_pEncoding;
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};
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void calcDiff3LineListTrim( Diff3LineList& d3ll, const LineData* pldA, const LineData* pldB, const LineData* pldC, ManualDiffHelpList* pManualDiffHelpList );
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void calcWhiteDiff3Lines( Diff3LineList& d3ll, const LineData* pldA, const LineData* pldB, const LineData* pldC );
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void calcDiff3LineVector( Diff3LineList& d3ll, Diff3LineVector& d3lv );
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void debugLineCheck( Diff3LineList& d3ll, int size, int idx );
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class TQStatusBar;
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class Selection
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{
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public:
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Selection(){ reset(); oldLastLine=-1; lastLine=-1; oldFirstLine=-1; }
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int firstLine;
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int firstPos;
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int lastLine;
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int lastPos;
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int oldLastLine;
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int oldFirstLine;
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bool bSelectionContainsData;
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bool isEmpty() { return firstLine==-1 || (firstLine==lastLine && firstPos==lastPos) || bSelectionContainsData==false;}
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void reset(){
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oldFirstLine=firstLine;
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oldLastLine =lastLine;
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firstLine=-1;
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lastLine=-1;
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bSelectionContainsData = false;
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}
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void start( int l, int p ) { firstLine = l; firstPos = p; }
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void end( int l, int p ) {
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if ( oldLastLine == -1 )
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oldLastLine = lastLine;
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lastLine = l;
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lastPos = p;
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}
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bool within( int l, int p );
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bool lineWithin( int l );
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int firstPosInLine(int l);
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int lastPosInLine(int l);
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int beginLine(){
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if (firstLine<0 && lastLine<0) return -1;
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return max2(0,min2(firstLine,lastLine));
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}
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int endLine(){
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if (firstLine<0 && lastLine<0) return -1;
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return max2(firstLine,lastLine);
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}
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int beginPos() { return firstLine==lastLine ? min2(firstPos,lastPos) :
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firstLine<lastLine ? (firstLine<0?0:firstPos) : (lastLine<0?0:lastPos); }
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int endPos() { return firstLine==lastLine ? max2(firstPos,lastPos) :
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firstLine<lastLine ? lastPos : firstPos; }
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};
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class OptionDialog;
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TQCString encodeString( const TQString& s );
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// Helper class that swaps left and right for some commands.
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class MyPainter : public TQPainter
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{
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int m_factor;
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int m_xOffset;
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int m_fontWidth;
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public:
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MyPainter(const TQPaintDevice* pd, bool bRTL, int width, int fontWidth)
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: TQPainter(const_cast<TQPaintDevice*>(TQT_TQPAINTDEVICE_CONST(pd)))
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{
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if (bRTL)
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{
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m_fontWidth = fontWidth;
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m_factor = -1;
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m_xOffset = width-1;
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}
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else
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{
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m_fontWidth = 0;
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m_factor = 1;
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m_xOffset = 0;
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}
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}
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void fillRect( int x, int y, int w, int h, const TQBrush& b )
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{
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if (m_factor==1)
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TQPainter::fillRect( m_xOffset + x , y, w, h, b );
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else
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TQPainter::fillRect( m_xOffset - x - w, y, w, h, b );
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}
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void drawText( int x, int y, const TQString& s, bool bAdapt=false )
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{
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TextDirection td = (m_factor==1 || bAdapt == false) ? LTR : RTL;
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TQPainter::drawText( m_xOffset-m_fontWidth*s.length() + m_factor*x, y, s, -1, td );
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}
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void drawLine( int x1, int y1, int x2, int y2 )
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{
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TQPainter::drawLine( m_xOffset + m_factor*x1, y1, m_xOffset + m_factor*x2, y2 );
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}
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};
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void fineDiff(
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Diff3LineList& diff3LineList,
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int selector,
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const LineData* v1,
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const LineData* v2,
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bool& bTextsTotalEqual
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);
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bool equal( const LineData& l1, const LineData& l2, bool bStrict );
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inline bool isWhite( TQChar c )
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{
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return c==' ' || c=='\t' || c=='\r';
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}
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/** Returns the number of equivalent spaces at position outPos.
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*/
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inline int tabber( int outPos, int tabSize )
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{
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return tabSize - ( outPos % tabSize );
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}
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/** Returns a line number where the linerange [line, line+nofLines] can
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be displayed best. If it fits into the currently visible range then
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the returned value is the current firstLine.
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*/
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int getBestFirstLine( int line, int nofLines, int firstLine, int visibleLines );
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extern bool g_bIgnoreWhiteSpace;
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extern bool g_bIgnoreTrivialMatches;
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extern int g_bAutoSolve;
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// Cursor conversions that consider g_tabSize.
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int convertToPosInText( const TQString& s, int posOnScreen, int tabSize );
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int convertToPosOnScreen( const TQString& s, int posInText, int tabSize );
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enum e_CoordType { eFileCoords, eD3LLineCoords, eWrapCoords };
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void calcTokenPos( const TQString&, int posOnScreen, int& pos1, int& pos2, int tabSize );
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TQString calcHistorySortKey( const TQString& keyOrder, TQRegExp& matchedRegExpr, const TQStringList& parenthesesGroupList );
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bool findParenthesesGroups( const TQString& s, TQStringList& sl );
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#endif
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