// Extensions to Fl_Preferences that facilitate easier access to boolean preferences and
// to values when no "error" status is needed from Fl_Preferences::get(...)
//
// By Nathan Vander Wilt, 20/Apr/2005.
// This work is in the public domain. I would appreciate some form of courtesy if you
// publish works based on this file, but it's not necessary. USE THIS AT YOUR OWN RISK!


#include <FL/Fl_Preferences.H>

class Fl_ExtPreferences : public Fl_Preferences {
private:
 char* textbuff;
public:
 Fl_ExtPreferences(enum Root root, const char *vendor, const char *application)
  : Fl_Preferences(root, vendor, application) { textbuff=0; }
 ~Fl_ExtPreferences() { if (textbuff) free(textbuff); }

 int set_bool(const char *entry, int tf=1) {			// set a boolean entry
  if (tf) set(entry,tf);
  else unset(entry);
 }
 void unset(const char *entry) { deleteEntry(entry); }		// unset a boolean entry
 int isset(const char *entry) { return entryExists(entry); }	// check if an entry is set

 int get_bool(const char *entry) {				// get a boolean directly
  if ( entryExists(entry) ) return 1;
  else return 0;
 }
 int get_int(const char *entry, int defaultValue=0) {		// get an integer directly
  int ret;
  get(entry,ret,defaultValue);
  return ret;
 }
 float get_float(const char *entry, float defaultValue=0) {	// get a float directly
  float ret;
  get(entry,ret,defaultValue);
  return ret;
 }
 double get_double(const char *entry, double defaultValue=0) {	// get a double directly
  double ret;
  get(entry,ret,defaultValue);
  return ret;
 }
 char* get_text(const char *entry, const char *defaultValue=NULL) {
   if (textbuff) free(textbuff);

   int succ=get(entry,textbuff,defaultValue);
   if ( !succ && !defaultValue ) {
    textbuff=(char*) malloc(1);
    textbuff[0]='\0';
   }

   return textbuff;
 }
 // TBD: would get_data() get any use?

};