// RequestBufferReplacer.cpp

#include <new>

#include <stdlib.h>
#include <string.h>

#include "RequestBufferReplacer.h"

// constructor
RequestBufferReplacer::RequestBufferReplacer()
        : fBuffer(NULL),
          fBufferSize(0)
{
}

// destructor
RequestBufferReplacer::~RequestBufferReplacer()
{
}

// ReplaceBuffer
status_t
RequestBufferReplacer::ReplaceBuffer(Request* request)
{
        if (!request)
                return B_BAD_VALUE;

        // get the size we need to allocate
        fBuffer = NULL;
        fBufferSize = 0;
        request->ShowAround(this);
        if (fBufferSize == 0)
                return B_OK;

        // allocate the buffer
        RequestBuffer* requestBuffer = RequestBuffer::Create(fBufferSize);
        if (!requestBuffer)
                return B_NO_MEMORY;
        fBuffer = (char*)requestBuffer->GetData();

        // relocate the data
        request->ShowAround(this);

        // attach the new buffer
        request->AttachBuffer(requestBuffer);

        return B_OK;
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, bool& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, int8& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, uint8& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, int16& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, uint16& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, int32& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, uint32& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, int64& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, uint64& data)
{
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, Data& data)
{
        int32 size = data.GetSize();
        if (fBuffer) {
                if (size > 0) {
                        memcpy(fBuffer, data.GetData(), size);
                        data.SetTo(fBuffer, size);
                        fBuffer += size;
                }
        } else
                fBufferSize += size;
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, StringData& data)
{
        Visit(member, static_cast<Data&>(data));
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member, RequestMember& subMember)
{
        subMember.ShowAround(this);
}

// Visit
void
RequestBufferReplacer::Visit(RequestMember* member,
        FlattenableRequestMember& subMember)
{
        subMember.ShowAround(this);
}