source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#ifndef PROPERTY_ITERATOR_HH
#define PROPERTY_ITERATOR_HH
-#include "music-iterator.hh"
+#include "simple-music-iterator.hh"
/**
Iterate a property.
*/
-class Property_iterator : public Music_iterator
+class Property_iterator : public Simple_music_iterator
{
public:
- // construction
+ VIRTUAL_COPY_CONS (Music_iterator);
+ DECLARE_SCHEME_CALLBACK(constructor, ());
+ DECLARE_SCHEME_CALLBACK(once_finalization, (SCM, SCM ));
+
+protected:
+ virtual void do_quit();
+ virtual void process (Moment);
+};
+
+
+
+
+/**
+ Iterate a property.
+ */
+class Property_unset_iterator : public Simple_music_iterator
+{
+public:
+ VIRTUAL_COPY_CONS (Music_iterator);
+ DECLARE_SCHEME_CALLBACK(constructor, ());
protected:
- virtual void do_process_and_next (Moment);
+ virtual void process (Moment);
};
-class Push_property_iterator : public Music_iterator
+class Push_property_iterator : public Simple_music_iterator
{
+public:
+ VIRTUAL_COPY_CONS (Music_iterator);
+ DECLARE_SCHEME_CALLBACK(constructor, ());
+ DECLARE_SCHEME_CALLBACK(once_finalization, (SCM, SCM));
protected:
- virtual void do_process_and_next (Moment);
+ virtual void process (Moment);
+ virtual void do_quit();
};
-class Pop_property_iterator : public Music_iterator
+class Pop_property_iterator : public Simple_music_iterator
{
+public:
+ DECLARE_SCHEME_CALLBACK(constructor, ());
+ VIRTUAL_COPY_CONS (Music_iterator);
protected:
- virtual void do_process_and_next (Moment);
+ virtual void process (Moment);
};