#ifndef _DEDIRECTORYITERATOR_HPP
#define _DEDIRECTORYITERATOR_HPP
/*-------------------------------------------------------------------------
 * drawElements Quality Program Tester Core
 * ----------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Directory iterator.
 *//*--------------------------------------------------------------------*/

#include "deDefs.hpp"
#include "deFilePath.hpp"

#define DE_DIRITER_WIN32		0
#define DE_DIRITER_POSIX		1

#if (DE_OS == DE_OS_WIN32 && DE_COMPILER == DE_COMPILER_MSC)
#	define DE_DIRITER DE_DIRITER_WIN32
#elif (DE_OS == DE_OS_UNIX) || (DE_OS == DE_OS_OSX) || (DE_OS == DE_OS_ANDROID) || (DE_OS == DE_OS_SYMBIAN) || (DE_OS == DE_OS_IOS) || (DE_OS == DE_OS_WIN32 && DE_COMPILER == DE_COMPILER_CLANG)
#	define DE_DIRITER DE_DIRITER_POSIX
#endif

#if !defined(DE_DIRITER)
#	error Implement tcu::DirectoryIterator for your platform.
#endif

#if (DE_DIRITER == DE_DIRITER_WIN32)
#	include <io.h> /* _finddata32_t */
#elif (DE_DIRITER == DE_DIRITER_POSIX)
#	include <sys/types.h>
#	include <dirent.h>
#endif

namespace de
{

class DirectoryIterator
{
public:
							DirectoryIterator		(const FilePath& path);
							~DirectoryIterator		(void);

	FilePath				getItem					(void) const;
	bool					hasItem					(void) const;
	void					next					(void);

private:
							DirectoryIterator		(const DirectoryIterator& other);
	DirectoryIterator&		operator=				(const DirectoryIterator& other);

	FilePath				m_path;

#if (DE_DIRITER == DE_DIRITER_WIN32)
	void					skipCurAndParent		(void);

	bool					m_hasItem;
	deIntptr				m_handle;
	struct _finddata32_t	m_fileInfo;

#elif (DE_DIRITER == DE_DIRITER_POSIX)
	DIR*					m_handle;
	struct dirent*			m_curEntry;
#endif
};

} // de

#endif // _DEDIRECTORYITERATOR_HPP