/****************************************************************************
** 
**
** Definition of TTQDir class
**
** Created : 950427
**
** Copyright (C) 1992-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.TQPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for TQPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
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**********************************************************************/

#ifndef TQDIR_H
#define TQDIR_H

#ifndef QT_H
#include "tqglobal.h"
#include "tqstrlist.h"
#include "tqfileinfo.h"
#endif // QT_H


#ifndef QT_NO_DIR
typedef TTQPtrList<TTQFileInfo> TQFileInfoList;
typedef TTQPtrListIterator<TTQFileInfo> TQFileInfoListIterator;
class TTQStringList;
template <class T> class TTQDeepCopy;


class Q_EXPORT TQDir
{
public:
    enum FilterSpec { Dirs	    = 0x001,
		      Files	    = 0x002,
		      Drives	    = 0x004,
		      NoSymLinks    = 0x008,
		      All	    = 0x007,
		      TypeMask	    = 0x00F,

		      Readable	    = 0x010,
		      Writable	    = 0x020,
		      Executable    = 0x040,
		      RWEMask	    = 0x070,

		      Modified	    = 0x080,
		      Hidden	    = 0x100,
		      System	    = 0x200,
		      AccessMask    = 0x3F0,

		      DefaultFilter = -1 };

    enum SortSpec   { Name	    = 0x00,
		      Time	    = 0x01,
		      Size	    = 0x02,
		      Unsorted	    = 0x03,
		      SortByMask    = 0x03,

		      DirsFirst	    = 0x04,
		      Reversed	    = 0x08,
		      IgnoreCase    = 0x10,
		      DefaultSort   = -1 };

    TTQDir();
    TTQDir( const TTQString &path, const TTQString &nameFilter = TTQString::null,
	  int sortSpec = Name | IgnoreCase, int filterSpec = All );
    TTQDir( const TTQDir & );

    virtual ~TTQDir();

    TTQDir       &operator=( const TTQDir & );
    TTQDir       &operator=( const TTQString &path );

    virtual void setPath( const TTQString &path );
    virtual TTQString path()		const;
    virtual TTQString absPath()	const;
    virtual TTQString canonicalPath()	const;

    virtual TTQString dirName() const;
    virtual TTQString filePath( const TTQString &fileName,
			      bool acceptAbsPath = TRUE ) const;
    virtual TTQString absFilePath( const TTQString &fileName,
				 bool acceptAbsPath = TRUE ) const;

    static TTQString convertSeparators( const TTQString &pathName );

    virtual bool cd( const TTQString &dirName, bool acceptAbsPath = TRUE );
    virtual bool cdUp();

    TQString	nameFilter() const;
    virtual void setNameFilter( const TTQString &nameFilter );
    FilterSpec filter() const;
    virtual void setFilter( int filterSpec );
    SortSpec sorting() const;
    virtual void setSorting( int sortSpec );

    bool	matchAllDirs() const;
    virtual void setMatchAllDirs( bool );

    uint count() const;
    TQString	operator[]( int ) const;

    virtual TTQStrList encodedEntryList( int filterSpec = DefaultFilter,
				       int sortSpec   = DefaultSort  ) const;
    virtual TTQStrList encodedEntryList( const TTQString &nameFilter,
				       int filterSpec = DefaultFilter,
				       int sortSpec   = DefaultSort   ) const;
    virtual TTQStringList entryList( int filterSpec = DefaultFilter,
				   int sortSpec   = DefaultSort  ) const;
    virtual TTQStringList entryList( const TTQString &nameFilter,
				   int filterSpec = DefaultFilter,
				   int sortSpec   = DefaultSort   ) const;

    virtual const TQFileInfoList *entryInfoList( int filterSpec = DefaultFilter,
						int sortSpec = DefaultSort ) const;
    virtual const TQFileInfoList *entryInfoList( const TTQString &nameFilter,
						int filterSpec = DefaultFilter,
						int sortSpec = DefaultSort ) const;

    static const TQFileInfoList *drives();

    virtual bool mkdir( const TTQString &dirName,
			bool acceptAbsPath = TRUE ) const;
    virtual bool rmdir( const TTQString &dirName,
			bool acceptAbsPath = TRUE ) const;

    virtual bool isReadable() const;
    virtual bool exists()   const;
    virtual bool isRoot()   const;

    virtual bool isRelative() const;
    virtual void convertToAbs();

    virtual bool operator==( const TTQDir & ) const;
    virtual bool operator!=( const TTQDir & ) const;

    virtual bool remove( const TTQString &fileName,
			 bool acceptAbsPath = TRUE );
    virtual bool rename( const TTQString &name, const TTQString &newName,
			 bool acceptAbsPaths = TRUE  );
    virtual bool exists( const TTQString &name,
			 bool acceptAbsPath = TRUE );

    static char separator();

    static bool setCurrent( const TTQString &path );
    static TTQDir current();
    static TTQDir home();
    static TTQDir root();
    static TTQString currentDirPath();
    static TTQString homeDirPath();
    static TTQString rootDirPath();

    static bool match( const TTQStringList &filters, const TTQString &fileName );
    static bool match( const TTQString &filter, const TTQString &fileName );
    static TTQString cleanDirPath( const TTQString &dirPath );
    static bool isRelativePath( const TTQString &path );
    void refresh() const;

private:
#ifdef Q_OS_MAC
    typedef struct FSSpec FSSpec;
    static FSSpec *make_spec(const TTQString &);
#endif
    void init();
    virtual bool readDirEntries( const TTQString &nameFilter,
				 int FilterSpec, int SortSpec  );

    static void slashify( TTQString & );

    TQString	dPath;
    TTQStringList   *fList;
    TQFileInfoList *fiList;
    TQString	nameFilt;
    FilterSpec	filtS;
    SortSpec	sortS;
    uint	dirty	: 1;
    uint	allDirs : 1;

    void detach();
    friend class TTQDeepCopy< TTQDir >;
};


inline TTQString TTQDir::path() const
{
    return dPath;
}

inline TTQString TTQDir::nameFilter() const
{
    return nameFilt;
}

inline TTQDir::FilterSpec TTQDir::filter() const
{
    return filtS;
}

inline TTQDir::SortSpec TTQDir::sorting() const
{
    return sortS;
}

inline bool TTQDir::matchAllDirs() const
{
    return allDirs;
}

inline bool TTQDir::operator!=( const TTQDir &d ) const
{
    return !(*this == d);
}


struct TQDirSortItem {
    TTQString filename_cache;
    TTQFileInfo* item;
};

#endif // QT_NO_DIR
#endif // TQDIR_H