#include "Stdafx.h"

#include "StreamAdapter.h"

namespace CefSharp

{

StreamAdapter::~StreamAdapter()

{

_stream->Close();

}

size_t StreamAdapter::Read(void* ptr, size_t size, size_t n)

{

AutoLock lock_scope(this);

try {

array<Byte>^ buffer = gcnew array<Byte>(n * size);

int ret = _stream->Read(buffer, 0, n);

pin_ptr<Byte> src = &buffer[0];

memcpy(ptr, static_cast<void*>(src), ret);

return ret / size;

}

catch(Exception^)

{

return -1;

}

}

int StreamAdapter::Seek(int64 offset, int whence)

{

SeekOrigin seekOrigin;

switch(whence)

{

case SEEK_CUR:

seekOrigin = SeekOrigin::Current;

break;

case SEEK_END:

seekOrigin = SeekOrigin::End;

break;

case SEEK_SET:

seekOrigin = SeekOrigin::Begin;

break;

default:

return -1;

}

try

{

_stream->Seek(offset, seekOrigin);

}

catch (Exception^)

{

return -1;

}

return 0;

}

int64 StreamAdapter::Tell()

{

return static_cast<int64>(_stream->Position);

}

int StreamAdapter::Eof()

{

return _stream->Length == _stream->Position;

}

}