data.h

/*
 * MP3/MPlayer plugin to VDR (C++)
 *
 * (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>
 *
 * This code 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 2
 * of the License, or (at your option) any later version.
 *
 * This code 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 */

#ifndef ___DATA_H
#define ___DATA_H

#include <vdr/tools.h>
#include <vdr/config.h>

// ----------------------------------------------------------------

class cFileSource;

extern char *Quote( const char *str );
extern char *AddPath( const char *dir, const char *filename );

// ----------------------------------------------------------------

class cScanDir
{
  protected:
    enum eScanType
    { stFile, stDir };
    virtual void DoItem( cFileSource * src, const char *subdir, const char *name ) = 0;
  public:
      bool ScanDir( cFileSource * src, const char *subdir, eScanType type, const char *const *spec,
                    const char *const *excl, bool recursiv );

    virtual ~cScanDir();
};

// ----------------------------------------------------------------

enum eObjType
{ otDir, otParent, otFile, otBase };

class cFileObj:public cListObject
{
  private:
    cFileSource * source;
    char *subdir, *name, *path, *fpath;
    eObjType type;
    //
    void Set( void );
    void MakeFullName( char **fp, const char *Name );
  public:
      cFileObj( cFileSource * Source, const char *Subdir, const char *Name, const eObjType Type );
      cFileObj( const cFileObj * obj );
     ~cFileObj(  );
#if VDRVERSNUM >= 10315
    virtual int Compare( const cListObject & ListObject ) const;
#else
    virtual bool operator<( const cListObject & ListObject );
#endif
    void SetName( const char *Name );
    void SplitAndSet( const char *Path );
    //
    bool Exists( void );
    bool TestName( const char *newName );
    bool Rename( const char *newName );
    bool Create( const char *newName );
    bool Delete( void );
    //
    inline const char *Name( void ) const
    {
        return name;
    }
    inline const char *Subdir( void ) const
    {
        return subdir;
    }
    inline cFileSource *Source( void ) const
    {
        return source;
    }
    inline eObjType Type( void ) const
    {
        return type;
    }
    inline const char *Path( void ) const
    {
        return path;
    }
    inline const char *FullPath( void ) const
    {
        return fpath;
    }
};

// ----------------------------------------------------------------

class cDirList:public cScanDir, public cList < cFileObj >
{
  private:
    eObjType otype;
  protected:
    virtual void DoItem( cFileSource * src, const char *subdir, const char *name );
  public:
      bool Load( cFileSource * src, const char *subdir, const char *const *excl = 0 );
};

// ----------------------------------------------------------------

class cFileSource:public cListObject
{
  private:
    enum eAction
    { acMount, acUnmount, acEject, acStatus };
    char *basedir, *realbasedir;
    char *description;
    char **include;
    bool needsmount;
    int useCount, incCount;
    // remember last browse position
    char *browsedir, *browseparent;
    //
    void Set( const char *Basedir, const char *Description, const bool NeedsMount, const char *Include );
    bool Action( eAction act );
    void ClearRemember( void );
    void Clear( void );
  public:
      cFileSource( void );
      cFileSource( const char *Basedir, const char *Description, const bool NeedsMount, const char *Include = 0 );
     ~cFileSource(  );
    bool Parse( char *s );
    bool Mount( void );
    bool Unmount( void );
    bool Eject( void );
    bool Status( void );
    void Block( void )
    {
        useCount++;
    }
    void Unblock( void )
    {
        useCount--;
    }
    void SetRemember( const char *dir, const char *parent );
    bool GetRemember( char *&dir, char *&parent );
    inline const char *BaseDir( void ) const
    {
        return basedir;
    }
    inline const char *RealBaseDir( void ) const
    {
        return realbasedir;
    }
    inline const char *Description( void ) const
    {
        return description;
    }
    inline const char *const *Include( void ) const
    {
        return include;
    }
    inline bool NeedsMount( void ) const
    {
        return needsmount;
    }
};

class cFileSources:public cConfig < cFileSource >
{
  private:
    cFileSource * current;
  public:
    virtual bool Load( const char *filename, bool dummy = false );
    void SetSource( cFileSource * source )
    {
        current = source;
    }
    cFileSource *GetSource( void )
    {
        return current;
    }
    cFileSource *FindSource( const char *filename );
};

#endif //___DATA_H