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117 lines
4.3 KiB
117 lines
4.3 KiB
/***************************************************************************
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kfixedsizebuffer.h - description
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-------------------
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begin : Mit Jun 03 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_KFIXEDSIZEBUFFER_H
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#define KHE_KFIXEDSIZEBUFFER_H
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#include "kdatabuffer.h"
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namespace KHE
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{
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/** base class for all Data buffers that are used to display
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* TODO: think about a way to inform KHexEdit that there has been
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* a change in the buffer outside. what kind of changes are possible?
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*@author Friedrich W. H. Kossebau
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*/
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class KFixedSizeBuffer : public KDataBuffer
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{
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public:
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/** creates a readonly buffer around the given data */
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KFixedSizeBuffer( char *D, unsigned int S, char FUC = '\0' );
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/** creates a writeable buffer which is deleted at the end */
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KFixedSizeBuffer( unsigned int S, char FUC = '\0' );
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virtual ~KFixedSizeBuffer();
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public: // KDataBuffer API
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virtual bool prepareRange( KSection Range ) const;
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virtual const char *dataSet( KSection S ) const;
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virtual char datum( unsigned int Offset ) const;
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virtual int size() const;
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virtual bool isReadOnly() const;
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virtual bool isModified() const;
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virtual int insert( int Pos, const char*, int Length );
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virtual int remove( KSection Remove );
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virtual unsigned int replace( KSection Remove, const char*, unsigned int InputLength );
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virtual int move( int DestPos, KSection SourceSection );
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virtual int fill( const char FillChar, int Length = -1, unsigned int Pos = 0 );
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virtual void setDatum( unsigned int Offset, const char Char );
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virtual void setModified( bool M = true );
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virtual int find( const char*KeyData, int Length, KSection Section ) const;
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virtual int rfind( const char*, int Length, int Pos = -1 ) const;
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/* virtual int find( const TQString &expr, bool cs, bool wo, bool forward = true, int *index = 0 ); */
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public:
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void setReadOnly( bool RO = true );
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int compare( const KDataBuffer &Other, KSection Range, unsigned int Pos = 0 );
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int compare( const KDataBuffer &Other, int OtherPos, int Length, unsigned int Pos = 0 );
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int compare( const KDataBuffer &Other );
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public:
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char *rawData() const;
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protected:
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void reset( unsigned int Pos, unsigned int Length );
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protected:
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/** */
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char *Data;
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/***/
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unsigned int Size;
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/** */
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char FillUpChar;
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/** */
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bool ReadOnly:1;
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/** */
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bool Modified:1;
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/** */
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bool AutoDelete:1;
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};
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inline bool KFixedSizeBuffer::prepareRange( KSection ) const { return true; }
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inline const char *KFixedSizeBuffer::dataSet( KSection S ) const { return &Data[S.start()]; }
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inline char KFixedSizeBuffer::datum( unsigned int Offset ) const { return Data[Offset]; }
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inline int KFixedSizeBuffer::size() const { return Size; }
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inline void KFixedSizeBuffer::setDatum( unsigned int Offset, const char Char )
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{ Data[Offset] = Char; Modified = true; }
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inline bool KFixedSizeBuffer::isReadOnly() const { return ReadOnly; }
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inline bool KFixedSizeBuffer::isModified() const { return Modified; }
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inline void KFixedSizeBuffer::setReadOnly( bool RO ) { ReadOnly = RO; }
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inline void KFixedSizeBuffer::setModified( bool M ) { Modified = M; }
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inline int KFixedSizeBuffer::compare( const KDataBuffer &Other )
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{ return compare( Other, KSection(0,Other.size()-1),0 ); }
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inline int KFixedSizeBuffer::compare( const KDataBuffer &Other, int OtherPos, int Length, unsigned int Pos )
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{ return compare( Other, KSection(OtherPos,Length,true),Pos ); }
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inline char *KFixedSizeBuffer::rawData() const { return Data; }
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}
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#endif
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