bool MemoryFileImpl::Write( void const* Src, size_t Size )
{
mSize += Size;
char const* p = ( char const* )Src;
while( Size )
{
if( mActBufferId >= mBuffers.size() )
{
mBuffers.push_back( Buffer_t() );
}
const size_t W = mBuffers[mActBufferId].write( p, Size );
Size -= W;
p += W;
if( Size )
{
mActBufferId++;
}
}
return true;
}
bool MemoryFileImpl::Read( void* Data, size_t Size )
{
if( Size > GetSize() - GetPosition() )
{
return false;
}
char* p = ( char* )Data;
while( Size )
{
const size_t R = mBuffers[mActBufferId].read( p, Size );
Size -= R;
p += R;
if( Size )
{
mActBufferId++;
}
if( mActBufferId >= mBuffers.size() )
{
return false;
}
}
return true;
}
size_t MemoryFileImpl::GetPosition() const
{
return mActBufferId * ONE_BUFFER_SIZE + ( ( mActBufferId < mBuffers.size() ) ? mBuffers[mActBufferId].pos : 0 );
}