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[lilypond.git] / lily / include / property-iterator.hh
1 /*
2   property-iterator.hh -- declare Property_iterator
3
4   source file of the GNU LilyPond music typesetter
5
6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 */
8
9
10 #ifndef PROPERTY_ITERATOR_HH
11 #define PROPERTY_ITERATOR_HH
12
13 #include "music-iterator.hh"
14
15
16
17
18 /**
19   Iterate a property.  
20  */
21 class Property_iterator : public Music_iterator
22 {
23 public:
24   // construction  
25 protected:
26   virtual void do_process_and_next (Moment);
27 };
28
29 class Push_property_iterator : public Music_iterator
30 {
31 protected:
32   virtual void do_process_and_next (Moment);
33 };
34
35 class Pop_property_iterator : public Music_iterator
36 {
37 protected:
38   virtual void do_process_and_next (Moment);
39 };
40
41
42 #endif // PROPERTY_ITERATOR_HH