ejakowatz
b1055b4c2d
BMessageField) for the "template madness" version. Also included is BDataBuffer which is a little reference counting raw data container. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2955 a95241bf-73f2-0310-859d-f6bbb57e9c96
130 lines
3.6 KiB
C++
130 lines
3.6 KiB
C++
//------------------------------------------------------------------------------
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// DataBuffer.cpp
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//
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//------------------------------------------------------------------------------
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// Standard Includes -----------------------------------------------------------
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#include <string.h>
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// System Includes -------------------------------------------------------------
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// Project Includes ------------------------------------------------------------
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#include <DataBuffer.h>
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// Local Includes --------------------------------------------------------------
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// Local Defines ---------------------------------------------------------------
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// Globals ---------------------------------------------------------------------
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namespace BPrivate {
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//------------------------------------------------------------------------------
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BDataBuffer::BDataBuffer(size_t len)
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{
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BDataReference::Create(len, fDataRef);
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}
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//------------------------------------------------------------------------------
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BDataBuffer::BDataBuffer(void* data, size_t len)
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{
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BDataReference::Create(data, len, fDataRef);
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}
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//------------------------------------------------------------------------------
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BDataBuffer::BDataBuffer(const BDataBuffer& rhs)
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{
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*this = rhs;
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}
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//------------------------------------------------------------------------------
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BDataBuffer::~BDataBuffer()
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{
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if (fDataRef)
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{
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fDataRef->Release(fDataRef);
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}
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}
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//------------------------------------------------------------------------------
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BDataBuffer& BDataBuffer::operator=(const BDataBuffer& rhs)
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{
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if (this != &rhs)
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{
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rhs.fDataRef->Acquire(fDataRef);
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}
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return *this;
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}
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//------------------------------------------------------------------------------
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size_t BDataBuffer::BufferSize() const
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{
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return fDataRef->Size();
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}
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//------------------------------------------------------------------------------
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const void* BDataBuffer::Buffer()
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{
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return (const void*)fDataRef->Data();
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}
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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void BDataBuffer::BDataReference::Create(void* data, size_t len,
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BDataReference*& ref)
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{
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BDataReference* temp = new BDataReference(data, len);
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temp->Acquire(ref);
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}
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//------------------------------------------------------------------------------
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void BDataBuffer::BDataReference::Create(size_t len, BDataReference*& ref)
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{
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BDataReference* temp = new BDataReference(len);
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temp->Acquire(ref);
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}
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//------------------------------------------------------------------------------
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void BDataBuffer::BDataReference::Acquire(BDataReference*& ref)
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{
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ref = this;
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++count;
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}
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//------------------------------------------------------------------------------
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void BDataBuffer::BDataReference::Release(BDataReference*& ref)
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{
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ref = NULL;
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--count;
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if (count <= 0)
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{
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delete this;
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}
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}
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//------------------------------------------------------------------------------
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BDataBuffer::BDataReference::BDataReference(void* data, size_t len)
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: data(NULL), size(len), count(0)
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{
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data = new char[len];
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memcpy((void*)data, data, len);
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}
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//------------------------------------------------------------------------------
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BDataBuffer::BDataReference::BDataReference(size_t len)
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: data(NULL), size(len), count(0)
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{
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data = new char[len];
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}
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//------------------------------------------------------------------------------
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BDataBuffer::BDataReference::~BDataReference()
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{
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if (data)
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{
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delete[] data;
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data = NULL;
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}
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}
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//------------------------------------------------------------------------------
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} // namespace BPrivate
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/*
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* $Log $
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*
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* $Id $
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*
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*/
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