2 music-iterator.cc -- implement Music_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "music-list.hh"
10 #include "music-iterator.hh"
11 #include "voice-iterator.hh"
12 #include "property-iterator.hh"
13 #include "chord-iterator.hh"
14 #include "request-iterator.hh"
15 #include "translator-group.hh"
16 #include "translation-property.hh"
17 #include "change-iterator.hh"
18 #include "change-translator.hh"
19 #include "music-wrapper.hh"
20 #include "music-wrapper-iterator.hh"
21 #include "compressed-music-iterator.hh"
22 #include "compressed-music.hh"
26 IMPLEMENT_IS_TYPE_B(Music_iterator);
30 Music_iterator::do_print() const
36 Music_iterator::print() const
41 DOUT << name() << "{";
42 DOUT << "report to " <<
43 report_to_l() << " (" << report_to_l ()->name () << ")\n";
45 DOUT << "next at " << next_moment() << " ";
47 DOUT << "not feeling well today..";
54 Music_iterator::get_req_translator_l()
56 assert (report_to_l());
57 if (report_to_l()->is_bottom_translator_b ())
60 set_translator (report_to_l()->get_default_interpreter ());
65 Music_iterator::push_translator (Translator_group*t)
67 report_to_l_arr_.push (t);
68 t->iterator_count_ ++;
72 Music_iterator::pop_translator()
74 report_to_l()->iterator_count_ --;
75 assert (report_to_l()->iterator_count_ >=0);
76 report_to_l_arr_.pop();
80 Music_iterator::report_to_l() const
82 if (! report_to_l_arr_.size())
84 return report_to_l_arr_.top();
89 Music_iterator::set_translator (Translator_group*trans)
91 if (report_to_l()==trans)
96 push_translator (trans);
100 Music_iterator::construct_children()
105 Music_iterator::~Music_iterator()
111 Music_iterator::next_moment() const
118 Music_iterator::process_and_next (Moment m)
120 do_process_and_next (m);
124 Music_iterator::do_process_and_next (Moment)
130 Music_iterator::ok() const
136 Music_iterator::static_get_iterator_p (Music const *m, Translator_group *report_l)
138 Music_iterator * p =0;
139 if (dynamic_cast<Request_chord const *> (m))
140 p = new Request_chord_iterator;
141 else if (dynamic_cast<Simultaneous_music const *> (m))
142 p = new Simultaneous_music_iterator;
143 else if (dynamic_cast<Sequential_music const *> (m))
144 p = new Sequential_music_iterator;
145 else if (dynamic_cast<Translation_property const *> (m))
146 p = new Property_iterator;
147 else if (dynamic_cast<Change_translator const *> (m))
148 p = new Change_iterator;
149 else if (dynamic_cast<Compressed_music const *> (m))
150 p = new Compressed_music_iterator;
151 else if (dynamic_cast<Music_wrapper const *> (m))
152 p = new Music_wrapper_iterator;
155 if (m->translator_type_str_.length_i ())
157 Translator_group* a =report_l->
158 find_create_translator_l (m->translator_type_str_, m->translator_id_str_);
159 p->set_translator (a);
162 if (! p->report_to_l())
163 p ->set_translator (report_l);
170 Music_iterator::inherit_info(Music_iterator const *)
175 Music_iterator::get_iterator_p (Music const*m) const
177 Music_iterator*p = static_get_iterator_p (m, report_to_l());
178 p->inherit_info (this);
179 p->construct_children();
183 Music_iterator::Music_iterator()