/**

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

 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

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

 *

 * This file is not open source and may not be copied without explicit

 * written permission of AlliedModders LLC.  This file may not be redistributed 

 * in whole or significant part.

 * For information, see LICENSE.txt 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:

	virtual bool MoreFiles();

	virtual void NextEntry();

	virtual const char *GetEntryName();

	virtual bool IsEntryDirectory();

	virtual bool IsEntryFile();

	virtual 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:

	virtual void CloseLibrary();

	virtual void *GetSymbolAddress(const char *symname);

private:

	LibraryHandle m_lib;

};

class LibrarySystem : public ILibrarySys

{

public:

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

	virtual IDirectory *OpenDirectory(const char *path);

	virtual void CloseDirectory(IDirectory *dir);

	virtual bool PathExists(const char *path);

	virtual bool IsPathFile(const char *path);

	virtual bool IsPathDirectory(const char *path);

	virtual void GetPlatformError(char *error, size_t err_max);

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

};

extern LibrarySystem g_LibSys;

#endif //_INCLUDE_SOURCEMOD_SYSTEM_LIBRARY_H_