/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

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/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#ifndef hsFiles_Defined
#define hsFiles_Defined

#include "hsStream.h"
#include <stdio.h>

#if HS_BUILD_FOR_UNIX
	#include <limits.h>
	#define kFolderIterator_MaxPath		PATH_MAX
	#include <unistd.h>
	#define SetCurrentDirectory chdir
#elif !HS_BUILD_FOR_PS2
	#define kFolderIterator_MaxPath		_MAX_PATH
#else
	#define kFolderIterator_MaxPath		255
#endif

#if HS_BUILD_FOR_MAC
	#include <Files.h>
	#include <Script.h>
#endif


#if HS_BUILD_FOR_WIN32
# define PATH_SEPARATOR		'\\'
# define WPATH_SEPARATOR	L'\\'
# define PATH_SEPARATOR_STR	"\\"
# define WPATH_SEPARATOR_STR L"\\"
#elif HS_BUILD_FOR_UNIX
# define PATH_SEPARATOR		'/'
# define WPATH_SEPARATOR	L'/'
# define PATH_SEPARATOR_STR	"/"
# define WPATH_SEPARATOR_STR L"/"
#endif


///////////////////////////////////////////////////////////////////////
#if !HS_BUILD_FOR_PS2

class hsFile {
	hsFile&		operator=(const hsFile&);		// disallow assignment
protected:
	char*		fPathAndName;
	FILE*		fFILE;
public:
				hsFile();
				hsFile(const char pathAndName[]);
	virtual		~hsFile();

	const char*	GetName();
	virtual const char*	GetPathAndName();
	virtual void	SetPathAndName(const char pathAndName[]);

	virtual FILE*	OpenFILE(const char mode[], hsBool throwIfFailure = false);
	virtual hsStream* OpenStream(const char mode[], hsBool throwIfFailure = false);

	virtual void	Close();	// called automatically in the destructor
};
typedef hsFile	hsUnixFile;	// for compatibility

#if HS_BUILD_FOR_MAC
	class hsMacFile : public hsFile {
		enum {
			kRefNum_Dirty,
			kPathName_Dirty
		};
		FSSpec		fSpec;
		Int16		fRefNum;
		UInt16		fFlags;

		void 			SetSpecFromName();
		void 			SetNameFromSpec();
	public:
					hsMacFile();
					hsMacFile(const FSSpec* spec);
					hsMacFile(const char pathAndName[]);
		virtual		~hsMacFile();

		const FSSpec*	GetSpec() const { return &fSpec; }
		void			SetSpec(const FSSpec* spec);
		hsBool		Create(OSType creator, OSType fileType, ScriptCode scriptCode = smSystemScript);
		hsBool		OpenDataFork(SInt8 permission, Int16* refnum);

		//	Overrides
		virtual const char*	GetPathAndName();
		virtual void	SetPathAndName(const char pathAndName[]);
		virtual hsStream* OpenStream(const char mode[], hsBool throwIfFailure = false);
		virtual void	Close();
	};
	typedef hsMacFile	hsOSFile;
#else
	typedef hsFile		hsOSFile;
#endif
#endif // HS_BUILD_FOR_PS2
///////////////////////////////////////////////////////////////////////

class hsFolderIterator {
	char		fPath[kFolderIterator_MaxPath];
	struct hsFolderIterator_Data* fData;
   bool fCustomFilter;
public:
#ifdef HS_BUILD_FOR_WIN32
   hsFolderIterator(const char path[] = nil, bool useCustomFilter=false);
#else
   hsFolderIterator(const char path[] = nil, bool unused=true);
   hsFolderIterator(const struct FSSpec* spec);	// Alt constructor
#endif
	virtual		~hsFolderIterator();

	const char*	GetPath() const { return fPath; }
	void			SetPath(const char path[]);

	void			Reset();
	hsBool		NextFile();
	hsBool		NextFileSuffix(const char suffix[]);
	const char*	GetFileName() const;
	int			GetPathAndName(char pathandname[] = nil);
	hsBool		IsDirectory( void ) const;

	FILE*		OpenFILE(const char mode[]);

#if HS_BUILD_FOR_MAC
	void			SetMacFolder(const char path[]);
	void			SetMacFolder(OSType folderType);
	void			SetMacFolder(Int16 vRefNum, Int32 dirID);
	hsBool		NextMacFile(OSType targetFileType, OSType targetCreator);
	const struct FSSpec* GetMacSpec() const;
	OSType		GetMacFileType() const;
	OSType		GetMacCreator() const;
#elif HS_BUILD_FOR_WIN32
	void		SetWinSystemDir(const char subdir[]);	// e.g. "Fonts"
	void		SetFileFilterStr(const char filterStr[]);	// e.g. "*.*"
#endif
};

#ifdef HS_BUILD_FOR_WIN32
// only implemented on Win32 for now
class hsWFolderIterator {
	wchar		fPath[kFolderIterator_MaxPath];
	struct		hsWFolderIterator_Data* fData;
	bool		fCustomFilter;
public:
	hsWFolderIterator(const wchar path[] = nil, bool useCustomFilter=false);
	virtual		~hsWFolderIterator();

	const wchar*	GetPath() const { return fPath; }
	void			SetPath(const wchar path[]);

	void			Reset();
	hsBool			NextFile();
	hsBool			NextFileSuffix(const wchar suffix[]);
	const wchar*	GetFileName() const;
	int				GetPathAndName(wchar pathandname[] = nil);
	hsBool			IsDirectory( void ) const;

	FILE*			OpenFILE(const wchar mode[]);

	void		SetWinSystemDir(const wchar subdir[]);	// e.g. "Fonts"
	void		SetFileFilterStr(const wchar filterStr[]);	// e.g. "*.*"
};
#endif

#endif