/**

 * vim: set ts=4 :

 * =============================================================================

 * SourceMod

 * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_SOURCEMOD_SYSTEM_LIBRARY_H_

#define _INCLUDE_SOURCEMOD_SYSTEM_LIBRARY_H_

#include <ILibrarySys.h>

#include "sm_platform.h"

using namespace SourceMod;

#if defined PLATFORM_WINDOWS

typedef HMODULE		LibraryHandle;

#elif defined PLATFORM_POSIX

typedef void *		LibraryHandle;

#endif

class CDirectory : public IDirectory

{

public:

	CDirectory(const char *path);

	~CDirectory();

public:

	bool MoreFiles();

	void NextEntry();

	const char *GetEntryName();

	bool IsEntryDirectory();

	bool IsEntryFile();

	bool IsEntryValid();

public:

	bool IsValid();

private:

#if defined PLATFORM_WINDOWS

	HANDLE m_dir;

	WIN32_FIND_DATAA m_fd;

#elif defined PLATFORM_POSIX

	DIR *m_dir;

	struct dirent *ep;

	char m_origpath[PLATFORM_MAX_PATH];

#endif

};

class CLibrary : public ILibrary

{

public:

	CLibrary(LibraryHandle me);

	~CLibrary();

public:

	void CloseLibrary();

	void *GetSymbolAddress(const char *symname);

private:

	LibraryHandle m_lib;

};

class LibrarySystem : public ILibrarySys

{

public:

	ILibrary *OpenLibrary(const char *path, char *error, size_t maxlength);

	IDirectory *OpenDirectory(const char *path);

	void CloseDirectory(IDirectory *dir);

	bool PathExists(const char *path);

	bool IsPathFile(const char *path);

	bool IsPathDirectory(const char *path);

	void GetPlatformError(char *error, size_t maxlength);

	void GetPlatformErrorEx(int code, char *error, size_t maxlength);

	size_t PathFormat(char *buffer, size_t len, const char *fmt, ...);

	const char *GetFileExtension(const char *filename);

	bool CreateFolder(const char *path);

	size_t GetFileFromPath(char *buffer, size_t maxlength, const char *path);

	bool FileTime(const char *path, FileTimeType type, time_t *pTime);

	void GetLoaderError(char *buffer, size_t maxlength);

};

extern LibrarySystem g_LibSys;

#endif //_INCLUDE_SOURCEMOD_SYSTEM_LIBRARY_H_