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Diffstat (limited to 'khexedit/lib/kfixedsizebuffer.h')
| -rw-r--r-- | khexedit/lib/kfixedsizebuffer.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/khexedit/lib/kfixedsizebuffer.h b/khexedit/lib/kfixedsizebuffer.h new file mode 100644 index 0000000..15c17da --- /dev/null +++ b/khexedit/lib/kfixedsizebuffer.h @@ -0,0 +1,116 @@ +/*************************************************************************** + kfixedsizebuffer.h - description + ------------------- + begin : Mit Jun 03 2003 + copyright : (C) 2003 by Friedrich W. H. Kossebau + email : Friedrich.W.H@Kossebau.de + ***************************************************************************/ + +/*************************************************************************** + * * + * This library is free software; you can redistribute it and/or * + * modify it under the terms of the GNU Library General Public * + * License version 2 as published by the Free Software Foundation. * + * * + ***************************************************************************/ + + +#ifndef KHE_KFIXEDSIZEBUFFER_H +#define KHE_KFIXEDSIZEBUFFER_H + +#include "kdatabuffer.h" + +namespace KHE +{ + +/** base class for all Data buffers that are used to display + * TODO: think about a way to inform KHexEdit that there has been + * a change in the buffer outside. what kind of changes are possible? + *@author Friedrich W. H. Kossebau + */ + +class KFixedSizeBuffer : public KDataBuffer +{ + public: + /** creates a readonly buffer around the given data */ + KFixedSizeBuffer( char *D, unsigned int S, char FUC = '\0' ); + /** creates a writeable buffer which is deleted at the end */ + KFixedSizeBuffer( unsigned int S, char FUC = '\0' ); + virtual ~KFixedSizeBuffer(); + + public: // KDataBuffer API + virtual bool prepareRange( KSection Range ) const; + virtual const char *dataSet( KSection S ) const; + virtual char datum( unsigned int Offset ) const; + virtual int size() const; + virtual bool isReadOnly() const; + virtual bool isModified() const; + + virtual int insert( int Pos, const char*, int Length ); + virtual int remove( KSection Remove ); + virtual unsigned int replace( KSection Remove, const char*, unsigned int InputLength ); + virtual int move( int DestPos, KSection SourceSection ); + virtual int fill( const char FillChar, int Length = -1, unsigned int Pos = 0 ); + virtual void setDatum( unsigned int Offset, const char Char ); + + virtual void setModified( bool M = true ); + + virtual int find( const char*KeyData, int Length, KSection Section ) const; + virtual int rfind( const char*, int Length, int Pos = -1 ) const; + +/* virtual int find( const QString &expr, bool cs, bool wo, bool forward = true, int *index = 0 ); */ + + public: + void setReadOnly( bool RO = true ); + int compare( const KDataBuffer &Other, KSection Range, unsigned int Pos = 0 ); + int compare( const KDataBuffer &Other, int OtherPos, int Length, unsigned int Pos = 0 ); + int compare( const KDataBuffer &Other ); + + public: + char *rawData() const; + + protected: + void reset( unsigned int Pos, unsigned int Length ); + + protected: + /** */ + char *Data; + /***/ + unsigned int Size; + /** */ + char FillUpChar; + /** */ + bool ReadOnly:1; + /** */ + bool Modified:1; + /** */ + bool AutoDelete:1; +}; + + +inline bool KFixedSizeBuffer::prepareRange( KSection ) const { return true; } +inline const char *KFixedSizeBuffer::dataSet( KSection S ) const { return &Data[S.start()]; } + +inline char KFixedSizeBuffer::datum( unsigned int Offset ) const { return Data[Offset]; } +inline int KFixedSizeBuffer::size() const { return Size; } + +inline void KFixedSizeBuffer::setDatum( unsigned int Offset, const char Char ) +{ Data[Offset] = Char; Modified = true; } + +inline bool KFixedSizeBuffer::isReadOnly() const { return ReadOnly; } +inline bool KFixedSizeBuffer::isModified() const { return Modified; } + +inline void KFixedSizeBuffer::setReadOnly( bool RO ) { ReadOnly = RO; } +inline void KFixedSizeBuffer::setModified( bool M ) { Modified = M; } + +inline int KFixedSizeBuffer::compare( const KDataBuffer &Other ) +{ return compare( Other, KSection(0,Other.size()-1),0 ); } + +inline int KFixedSizeBuffer::compare( const KDataBuffer &Other, int OtherPos, int Length, unsigned int Pos ) +{ return compare( Other, KSection(OtherPos,Length,true),Pos ); } + +inline char *KFixedSizeBuffer::rawData() const { return Data; } + +} + +#endif |