/*
   filesystem/file.c
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "filesystem/filesystem.h"
#include "filesystem/diskfile.h"

namespace filesystem
{

DiskFile::DiskFile()
{
	diskfile_handle = 0;
}

DiskFile::~DiskFile()
{
	if (diskfile_handle)
		fclose(diskfile_handle);
}

FILE *DiskFile::handle()
{
	return diskfile_handle;
}

bool DiskFile::open(const char *filename)
{
	if (diskfile_handle) {
		con_warn << file_name << " already open!" << std::endl;
		return false;
	}

	file_name.assign(filename);
	file_path.clear();

#ifdef _WIN32
	for (size_t i = 0; i < file_name.size(); i++)
		if (file_name[i] == '/') file_name[i] = '\\';
#endif
	for (SearchPath::iterator path = searchpath().begin(); path != searchpath().end(); path++) {
		std::string fn((*path));
		fn.append(filename);

		diskfile_handle = fopen(fn.c_str(), "rb");
		if (diskfile_handle) {
			file_path.assign((*path));
			return true;
		}
	}

	//con_error << "Could not open " << filename << std::endl;
	return false;
}

void DiskFile::close()
{
	if (diskfile_handle)
		fclose(diskfile_handle);
	diskfile_handle = 0;
}

size_t DiskFile::read(void *buffer, const size_t count)
{
	if (!diskfile_handle)
		return 0;

	return (fread(buffer, count, 1, diskfile_handle));
}

void DiskFile::skip(size_t count)
{
	fseek(diskfile_handle, (long) count, SEEK_CUR);
}

} // namespace filesystem