barrier/io/CStreamBuffer.h

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#ifndef CSTREAMBUFFER_H
#define CSTREAMBUFFER_H
#include "BasicTypes.h"
#include <list>
#include <vector>
class CStreamBuffer {
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public:
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CStreamBuffer();
~CStreamBuffer();
// manipulators
// peek() returns a buffer of n bytes (which must be <= getSize()).
// pop() discards the next n bytes.
const void* peek(UInt32 n);
void pop(UInt32 n);
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// write() appends n bytes to the buffer
void write(const void*, UInt32 n);
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// accessors
// return the number of bytes in the buffer
UInt32 getSize() const;
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private:
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static const UInt32 kChunkSize;
typedef std::vector<UInt8> Chunk;
typedef std::list<Chunk> ChunkList;
ChunkList m_chunks;
UInt32 m_size;
};
#endif