69 lines
1.1 KiB
C++
69 lines
1.1 KiB
C++
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#include "StdAfx.h"
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#include ".\bytebuffer.h"
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ByteBuffer::ByteBuffer(unsigned int size)
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{
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m_buffer.resize(size);
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m_curPos = 0;
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m_curSize = 0;
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}
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ByteBuffer::~ByteBuffer(void)
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{
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}
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size_t ByteBuffer::size()
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{
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return m_curSize;
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}
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void ByteBuffer::dump()
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{
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TRACE("---------Begin Dump-----------\n");
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for (unsigned int i=0; i<m_curSize; i++) {
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TRACE1("%c", m_buffer[i]);
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}
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TRACE("\n---------End Dump-----------\n");
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}
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void ByteBuffer::prevWrite(unsigned int size)
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{
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if (m_curSize + size >= m_buffer.size()) {
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m_buffer.resize(m_buffer.size()*2);
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}
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}
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bool ByteBuffer::write(const void* data, unsigned int size)
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{
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prevWrite(size);
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memcpy(&m_buffer[m_curPos],data,size);
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m_curPos += size;
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m_curSize += size;
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return true;
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}
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bool ByteBuffer::read(void* data, unsigned int size)
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{
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if (size > m_curSize)
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return false;
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memcpy(data,&m_buffer[0],size);
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memmove(&m_buffer[0],&m_buffer[m_curPos-m_curSize+size],m_curSize-size);
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m_curPos -= size;
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m_curSize -= size;
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return true;
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}
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bool ByteBuffer::get(void* data, unsigned int size, unsigned int pos)
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{
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if (pos + size > m_curSize)
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return false;
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memcpy(data,&m_buffer[0] + pos, size);
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return true;
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}
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