lvfulong
133 lines
2.5 KiB
C++
133 lines
2.5 KiB
C++
/**
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@file JCBuffer.cpp
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@brief
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@author James
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@version 1.0
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@date 2016_5_11
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*/
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#include "JCBuffer.h"
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namespace laya
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{
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JCMemClass::JCMemClass( unsigned int nSize, unsigned int nAdjustSize)
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{
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m_bNeedDelBuffer = true;
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m_pBuffer=NULL;
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m_nBufSize=0;
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m_nDataSize=0;
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m_nAdjustSize= nAdjustSize;
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m_nReadPos=0;
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m_bChanged=true;
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if (nSize > 0)
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{
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expand(nSize);
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}
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}
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JCMemClass::~JCMemClass()
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{
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if ( m_bNeedDelBuffer && m_pBuffer )
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{
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delete[] m_pBuffer;
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m_pBuffer = 0;
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}
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}
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void JCMemClass::setBufferExpandStep(int nAdjustSize)
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{
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m_nAdjustSize = nAdjustSize;
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}
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void JCMemClass::setAlign(bool bAlign)
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{
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m_bAlign = bAlign;
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}
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void JCMemClass::setBufferSize(int nBufferSize)
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{
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if (nBufferSize < 0)
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{
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return;
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}
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if (nBufferSize >= (int)m_nBufSize)
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{
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expand(nBufferSize - m_nBufSize);
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}
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}
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void JCMemClass::expand(int nExpandSize)
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{
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if (nExpandSize<1 ) return;
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unsigned long nSize= nExpandSize+m_nBufSize+m_nAdjustSize; //ÐèÒª°´4¶ÔÆëô
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char* pBuf=new char[nSize];
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if (!pBuf)
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{
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return;
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}
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if (m_pBuffer)
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{
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memcpy(pBuf, m_pBuffer,m_nBufSize);
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delete [] m_pBuffer;
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}
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m_nBufSize=nSize;
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m_pBuffer=pBuf;
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m_bChanged=true;
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}
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//------------------------------------------------------------------------------
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JCBuffer::JCBuffer()
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{
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m_bNeedDel=false;
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m_pPtr = 0;
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m_nLen = 0;
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}
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JCBuffer::JCBuffer(int p_nSize )
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{
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m_nLen=p_nSize;
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m_pPtr = new char [p_nSize];
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m_bNeedDel = true;
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}
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JCBuffer::JCBuffer(void* p_ptr, int p_nLength, bool p_bCpy, bool p_bManage)
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{
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m_bNeedDel = p_bManage;
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if(p_bCpy)
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{
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m_bNeedDel = true;
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}
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m_pPtr = (char*)p_ptr;
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m_nLen = p_nLength;
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}
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JCBuffer::JCBuffer(char* p_pStr, encode p_end)
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{
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}
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JCBuffer::~JCBuffer()
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{
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if(m_bNeedDel)
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delete [] m_pPtr;
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m_pPtr = 0;
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}
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bool JCBuffer::create(int p_nLen)
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{
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m_nLen = p_nLen;
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if( m_pPtr && m_bNeedDel )
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{
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delete [] m_pPtr;
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}
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m_pPtr = new char [m_nLen];
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m_bNeedDel=true;
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return m_pPtr!=0;
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}
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void JCBuffer::free()
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{
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m_nLen = 0;
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if(m_bNeedDel)
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{
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m_bNeedDel=false;
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delete [] m_pPtr;
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m_pPtr = 0;
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}
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}
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bool JCBuffer::toString(encode p_enc)
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{
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return false;
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}
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};
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//------------------------------------------------------------------------------
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//-----------------------------END FILE--------------------------------
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