settings.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Bril
 Date:          4-11-1995
________________________________________________________________________
 
 
-*/
 
#include "basicmod.h"
#include "iopar.h"
 
class SettingsManager;
 
mExpClass(Basic) Settings : public IOPar
{
public:
 
    inline static Settings&     common() { return fetch(); }
 
    static Settings&            fetch(const char* settings_name=0);
 
    bool                        write(bool read_before=true) const;
    bool                        reRead()        { return doRead(false); }
 
    static Settings*            fetchExternal(const char* settings_name,
                                              const char* dtect_user,
                                              const char* usr_settings_dir);
 
protected:
 
                                Settings( const char* fnm )
                                    : fname_(fnm)               {}
                                ~Settings()                     {}
 
    BufferString                fname_;
 
    static Settings*            doFetch(const char*,const char*,const char*,
                                        bool);
    bool                        doRead(bool);
public:
    mDeprecatedDef
    void                        remove() { delete this; }
 
private:
 
    static void                 manageSettings(Settings*);
 
    friend class SettingsManager;
};
 
 
mExternC( Basic ) const char* GetSettingsDataDir(void);
 
 
#define mSettUse(fn,basekey,key,value) \
        Settings::common().fn( IOPar::compKey(basekey,key), value )
#define mSettGet(basekey,key) \
        Settings::common()[ IOPar::compKey(basekey,key) ]
#define mSettWrite() \
        Settings::common().write();