Return to OutBuffer.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / elwix / tools / oldlzma / SRC / 7zip / Common

Annotation of elwix/tools/oldlzma/SRC/7zip/Common/OutBuffer.h, revision 1.1

1.1     ! misho       1: // OutBuffer.h
        !             2: 
        !             3: #ifndef __OUTBUFFER_H
        !             4: #define __OUTBUFFER_H
        !             5: 
        !             6: #include "../IStream.h"
        !             7: #include "../../Common/MyCom.h"
        !             8: 
        !             9: #ifndef _NO_EXCEPTIONS
        !            10: struct COutBufferException
        !            11: {
        !            12:   HRESULT ErrorCode;
        !            13:   COutBufferException(HRESULT errorCode): ErrorCode(errorCode) {}
        !            14: };
        !            15: #endif
        !            16: 
        !            17: class COutBuffer
        !            18: {
        !            19:   Byte *_buffer;
        !            20:   UInt32 _pos;
        !            21:   UInt32 _bufferSize;
        !            22:   CMyComPtr<ISequentialOutStream> _stream;
        !            23:   UInt64 _processedSize;
        !            24: 
        !            25:   void WriteBlock();
        !            26: public:
        !            27:   #ifdef _NO_EXCEPTIONS
        !            28:   HRESULT ErrorCode;
        !            29:   #endif
        !            30: 
        !            31:   COutBuffer(): _buffer(0), _pos(0), _stream(0) {}
        !            32:   ~COutBuffer() { Free(); }
        !            33:   
        !            34:   bool Create(UInt32 bufferSize);
        !            35:   void Free();
        !            36: 
        !            37:   void SetStream(ISequentialOutStream *stream);
        !            38:   void Init();
        !            39:   HRESULT Flush();
        !            40:   void ReleaseStream() {  _stream.Release(); }
        !            41: 
        !            42:   /*
        !            43:   void *GetBuffer(UInt32 &sizeAvail)
        !            44:   {
        !            45:     sizeAvail = _bufferSize - _pos;
        !            46:     return _buffer + _pos;
        !            47:   }
        !            48:   void MovePos(UInt32 num)
        !            49:   {
        !            50:     _pos += num;
        !            51:     if(_pos >= _bufferSize)
        !            52:       WriteBlock();
        !            53:   }
        !            54:   */
        !            55: 
        !            56:   void WriteByte(Byte b)
        !            57:   {
        !            58:     _buffer[_pos++] = b;
        !            59:     if(_pos >= _bufferSize)
        !            60:       WriteBlock();
        !            61:   }
        !            62:   void WriteBytes(const void *data, UInt32 size)
        !            63:   {
        !            64:     for (UInt32 i = 0; i < size; i++)
        !            65:       WriteByte(((const Byte *)data)[i]);
        !            66:   }
        !            67: 
        !            68:   UInt64 GetProcessedSize() const { return _processedSize + _pos; }
        !            69: };
        !            70: 
        !            71: #endif