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//
// "$Id: Fl_Preferences.H,v 1.1.2.8 2002/05/31 19:27:56 easysw Exp $"
//
// Preferences definitions for the Fast Light Tool Kit (FLTK).
//
// Copyright 2002 by Matthias Melcher.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "fltk-bugs@fltk.org".
//
#ifndef Fl_Preferences_H
# define Fl_Preferences_H
# ifdef WIN32
# include <windows.h>
# endif // WIN32
#include <stdio.h>
/**
* Preferences are a data tree containing a root, branches and leafs
*/
class Fl_Preferences
{
public:
enum Root { SYSTEM=0, USER };
// enum Type { win32, macos, fltk };
FL_EXPORT Fl_Preferences( Root root, const char *vendor, const char *application );
FL_EXPORT Fl_Preferences( Fl_Preferences&, const char *group );
FL_EXPORT Fl_Preferences( Fl_Preferences*, const char *group );
FL_EXPORT ~Fl_Preferences();
FL_EXPORT int groups();
FL_EXPORT const char *group( int );
FL_EXPORT char groupExists( const char *group );
FL_EXPORT char deleteGroup( const char *group );
FL_EXPORT int entries();
FL_EXPORT const char *entry( int );
FL_EXPORT char entryExists( const char *entry );
FL_EXPORT char deleteEntry( const char *entry );
FL_EXPORT char set( const char *entry, int value );
FL_EXPORT char set( const char *entry, float value );
FL_EXPORT char set( const char *entry, double value );
FL_EXPORT char set( const char *entry, const char *value );
FL_EXPORT char set( const char *entry, const void *value, int size );
FL_EXPORT char get( const char *entry, int &value, int defaultValue );
FL_EXPORT char get( const char *entry, float &value, float defaultValue );
FL_EXPORT char get( const char *entry, double &value, double defaultValue );
FL_EXPORT char get( const char *entry, char *&value, const char *defaultValue );
FL_EXPORT char get( const char *entry, char *value, const char *defaultValue, int maxSize );
FL_EXPORT char get( const char *entry, void *&value, const void *defaultValue, int defaultSize );
FL_EXPORT char get( const char *entry, void *value, const void *defaultValue, int defaultSize, int maxSize );
FL_EXPORT int size( const char *entry );
FL_EXPORT char getUserdataPath( char *path, int pathlen );
FL_EXPORT void flush();
// FL_EXPORT char export( const char *filename, Type fileFormat );
// FL_EXPORT char import( const char *filename );
class Name {
char *data_;
public:
FL_EXPORT Name( unsigned int n );
FL_EXPORT Name( const char *format, ... );
FL_EXPORT operator const char *() { return data_; }
FL_EXPORT ~Name();
};
struct Entry
{
char *name, *value;
};
private:
static char nameBuffer[128];
class Node // a node contains a list to all its entries
{ // and all means to manage the tree structure
Node *child_, *next_, *parent_;
char *path_;
char dirty_;
public:
Node( const char *path );
~Node();
// node methods
int write( FILE *f );
Node *find( const char *path );
Node *search( const char *path );
Node *addChild( const char *path );
void setParent( Node *parent );
char remove();
char dirty();
// entry methods
int nChildren();
const char *child( int ix );
void set( const char *name, const char *value );
void set( const char *line );
void add( const char *line );
const char *get( const char *name );
int getEntry( const char *name );
char deleteEntry( const char *name );
// public values
Entry *entry;
int nEntry, NEntry;
static int lastEntrySet;
};
friend class Node;
class RootNode // the root node manages file paths and basic reading and writing
{
Fl_Preferences *prefs_;
char *filename_;
char *vendor_, *application_;
public:
RootNode( Fl_Preferences *, Root root, const char *vendor, const char *application );
~RootNode();
int read();
int write();
char getPath( char *path, int pathlen );
};
friend class RootNode;
Node *node;
RootNode *rootNode;
};
#endif // !Fl_Preferences_H
//
// End of "$Id: Fl_Preferences.H,v 1.1.2.8 2002/05/31 19:27:56 easysw Exp $".
//
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