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96 lines
3.5 KiB
96 lines
3.5 KiB
/***************************************************************************
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kcoordrange.h - description
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-------------------
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begin : Sun 03.08.2003
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copyright : (C) 2003 by Friedrich W. H. Kossebau
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email : Friedrich.W.H@Kossebau.de
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****************************************************************************/
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/***************************************************************************
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License version 2 as published by the Free Software Foundation. *
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* *
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***************************************************************************/
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#ifndef KHE_KCOORDRANGE_H
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#define KHE_KCOORDRANGE_H
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// lib specific
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#include "krange.h"
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#include "kbuffercoord.h"
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#include "ksection.h"
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namespace KHE
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{
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template<>
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inline const TDEBufferCoord KRange<TDEBufferCoord>::null() const { return TDEBufferCoord(-1,-1);}
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typedef KRange<TDEBufferCoord> KBasicCoordRange;
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/** describes a range in the buffercoord
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*@author Friedrich W. H. Kossebau
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*/
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class KCoordRange : public KRange<TDEBufferCoord>
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{
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public:
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/**
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* @param SC start coord
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* @param EC end coord
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*/
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KCoordRange( TDEBufferCoord SC, TDEBufferCoord EC );
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/**
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* @param Pos start and end pos
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* @param Lines start and end line
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*/
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KCoordRange( KSection Pos, KSection Lines );
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KCoordRange();
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~KCoordRange();
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public:
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KCoordRange &operator=( const KCoordRange &S );
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public:
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bool operator==( const KCoordRange &S ) const;
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public:
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/** calculates the number of coords that are covered if a line has the given length.
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* If the range is invalid the behaviour is undefined.
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* @param LineLength
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* @return the number of points covered if a line has a length of LineLength.
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*/
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int width( int LineLength ) const;
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/** calculates the number of lines that are covered by the range.
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* If the range is invalid the behaviour is undefined.
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* @return number of lines covered
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*/
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int lines() const;
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/** tests if the given line is included by the range.
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* If the range is invalid or the line < 0 the behaviour is undefined.
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* @param Line index of line
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* @return @c true if Line is included, otherwise @c false
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*/
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bool includesLine( int Line ) const;
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};
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inline KCoordRange::KCoordRange( TDEBufferCoord SC, TDEBufferCoord EC ) : KBasicCoordRange(SC,EC) {}
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inline KCoordRange::KCoordRange( KSection Pos, KSection Lines )
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: KBasicCoordRange( TDEBufferCoord(Pos.start(),Lines.start()), TDEBufferCoord(Pos.end(),Lines.end()) ) {}
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inline KCoordRange::KCoordRange() {}
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inline KCoordRange::~KCoordRange() {}
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inline bool KCoordRange::operator==( const KCoordRange &R ) const { return KBasicCoordRange::operator==(R); }
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inline KCoordRange &KCoordRange::operator=( const KCoordRange &R ) { KBasicCoordRange::operator=(R); return *this; }
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inline int KCoordRange::width( int LineLength ) const { return LineLength*(lines()-1) + End.pos() - Start.pos()+1; }
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inline int KCoordRange::lines() const { return End.line() - Start.line() + 1; }
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inline bool KCoordRange::includesLine( int Line ) const { return Line >= Start.line() && Line <= End.line(); }
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}
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#endif
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