Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 131 insertions, 0 deletions

diff --git a/khexedit/lib/kplainbuffer.h b/khexedit/lib/kplainbuffer.h
new file mode 100644
index 0000000..27bbbad
--- /dev/null
+++ b/khexedit/lib/kplainbuffer.h
@@ -0,0 +1,131 @@
+/***************************************************************************
+                          kplainbuffer.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_KPLAINBUFFER_H
+#define KHE_KPLAINBUFFER_H
+
+#include "kdatabuffer.h"
+
+namespace KHE
+{
+/*
+class KPlainBufferIterator : public KDataBufferIterator
+{
+}
+*/
+/** 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 KPlainBuffer : public KDataBuffer
+{
+  friend class KPlainBufferIterator;
+
+  public:
+    KPlainBuffer( char *D, unsigned int S, int RS = -1, bool KM = true );
+    KPlainBuffer( const char *D, unsigned int S );
+    KPlainBuffer( int S=0, int MS = -1 );
+    virtual ~KPlainBuffer();
+
+  public: // KDataBuffer API
+    virtual bool prepareRange( KSection Range ) const;
+    //virtual KDataBufferIterator *iterator() 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*, int Length, int Pos = 0 ) const;
+    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 );
+    void setMaxSize( int MS );
+    /** sets whether the memory given by setData or in the constructor should be kept on resize
+      */
+    void setKeepsMemory( bool KM = true );
+
+  public:
+    char *data() const;
+    int maxSize() const;
+    /** returns whether the memory of the byte array is kept */
+    bool keepsMemory() const;
+
+  protected:
+    /** resizes the buffer, if possible, saving the data and splitting the data, if demanded
+     * @param AddSize additional size the buffer should grow
+     * @param SplitPos if -1 does not split
+     * @param SaveUpperPart true if upper part should be copied into new buffer
+     * @return additional size the buffer has grown
+     */
+    int addSize( int AddSize, int SplitPos = -1, bool SaveUpperPart = true );
+
+  protected:
+    /** */
+    char *Data;
+    /** size of the data */
+    unsigned int Size;
+    /** Size of data array */
+    unsigned int RawSize;
+    /** maximal size of array, unlimited if -1 */
+    int MaxSize;
+    /** flag whether the initially given memory should be kept */
+    bool KeepsMemory:1;
+    /**  */
+    bool ReadOnly:1;
+    /** */
+    bool Modified:1;
+};
+
+
+inline bool KPlainBuffer::prepareRange( KSection )     const { return true; }
+inline const char *KPlainBuffer::dataSet( KSection S ) const { return &Data[S.start()]; }
+inline char KPlainBuffer::datum( unsigned int Offset ) const { return Data[Offset]; }
+inline int KPlainBuffer::size()                        const { return Size; }
+
+inline bool KPlainBuffer::isReadOnly()   const { return ReadOnly; }
+inline bool KPlainBuffer::isModified()   const { return Modified; }
+
+inline void KPlainBuffer::setDatum( unsigned int Offset, const char Char )
+{ Data[Offset] = Char; Modified = true; }
+
+inline void KPlainBuffer::setReadOnly( bool RO )    { ReadOnly = RO; }
+inline void KPlainBuffer::setModified( bool M )     { Modified = M; }
+inline void KPlainBuffer::setMaxSize( int MS )      { MaxSize = MS; }
+inline void KPlainBuffer::setKeepsMemory( bool KM ) { KeepsMemory = KM; }
+
+inline char *KPlainBuffer::data()       const { return Data; }
+inline int KPlainBuffer::maxSize()      const { return MaxSize; }
+inline bool KPlainBuffer::keepsMemory() const { return KeepsMemory; }
+}
+
+#endif