#include "inMemoryFile.h"

#include <irrlicht.h>

#include <ios>

namespace irr
{

namespace io
{

InMemoryFile::InMemoryFile(const io::path& filename, const std::string& s)
	: m_filename { filename }
	, m_sstream { s }
{
}

std::size_t InMemoryFile::read(void* buffer, std::size_t sizeToRead)
{
	m_sstream.read(reinterpret_cast<char*>(buffer), sizeToRead);
	return m_sstream.gcount();
}

bool InMemoryFile::seek(long finalPos, bool relativeMovement)
{
	if (relativeMovement) {
		m_sstream.seekg(finalPos, std::ios::beg);
	} else {
		m_sstream.seekg(finalPos);
	}

	return m_sstream.fail();
}

long InMemoryFile::getSize() const
{
	return m_sstream.str().size();
}

long InMemoryFile::getPos() const
{
	return m_sstream.tellg();
}

const io::path& InMemoryFile::getFileName() const
{
	return m_filename;
}

} // namespace irr

} // namespace io