source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
+/*
+ UGH. too many includes.
+ */
#include "debug.hh"
-#include "music-list.hh"
#include "music-iterator.hh"
-#include "voice-iterator.hh"
#include "property-iterator.hh"
-#include "chord-iterator.hh"
-#include "request-iterator.hh"
+#include "request-chord-iterator.hh"
+#include "sequential-music-iterator.hh"
+#include "simultaneous-music-iterator.hh"
#include "translator-group.hh"
-#include "translation-property.hh"
-
-IMPLEMENT_IS_TYPE_B(Music_iterator);
-
-
-void
-Music_iterator::do_print() const
+#include "change-iterator.hh"
+#include "music-wrapper.hh"
+#include "music-wrapper-iterator.hh"
+#include "time-scaled-music-iterator.hh"
+#include "repeated-music.hh"
+#include "folded-repeat-iterator.hh"
+#include "unfolded-repeat-iterator.hh"
+#include "grace-iterator.hh"
+#include "lyric-combine-music-iterator.hh"
+#include "auto-change-iterator.hh"
+#include "part-combine-music-iterator.hh"
+#include "simple-music-iterator.hh"
+#include "output-property-music-iterator.hh"
+#include "chord-tremolo-iterator.hh"
+#include "context-specced-music.hh"
+
+Music_iterator::Music_iterator ()
{
-
+ // clone_i_ = 0;
}
-void
-Music_iterator::print() const
-{
-#ifndef NPRINT
- if (!check_debug)
- return ;
- DOUT << name() << "{";
- DOUT << "report to " <<
- report_to_l() << " (" << report_to_l ()->name () << ")\n";
- if (ok())
- DOUT << "next at " << next_moment() << " ";
- else
- DOUT << "not feeling well today..";
- do_print();
- DOUT << "}\n";
-#endif
+Music_iterator::Music_iterator (Music_iterator const& src)
+{
+ // clone_i_ = src.clone_i_ + 1;
+ handle_ = *src.handle_.clone ();
+ music_l_ = src.music_l_;
+ music_length_ = src.music_length_;
}
-Translator_group*
-Music_iterator::get_req_translator_l()
+Music_iterator::~Music_iterator ()
{
- assert (report_to_l());
- if (report_to_l()->is_bottom_translator_b ())
- return report_to_l();
+}
+
+
- set_translator (report_to_l()->get_default_interpreter ());
- return report_to_l();
+
+Translator_group*
+Music_iterator::report_to_l () const
+{
+ return handle_.report_to_l ();
}
+
void
-Music_iterator::push_translator (Translator_group*t)
+Music_iterator::set_translator (Translator_group *trans)
{
- report_to_l_arr_.push (t);
- t->iterator_count_ ++;
+ handle_.set_translator (trans);
}
void
-Music_iterator::pop_translator()
+Music_iterator::construct_children ()
{
- report_to_l()->iterator_count_ --;
- assert (report_to_l()->iterator_count_ >=0);
- report_to_l_arr_.pop();
}
-Translator_group*
-Music_iterator::report_to_l() const
+Moment
+Music_iterator::pending_moment () const
{
- if (! report_to_l_arr_.size())
- return 0;
- return report_to_l_arr_.top();
+ return 0;
}
void
-Music_iterator::set_translator (Translator_group*trans)
-{
- if (report_to_l()==trans)
- return;
- if (report_to_l())
- pop_translator();
- if (trans)
- push_translator (trans);
+Music_iterator::process (Moment)
+{
}
-void
-Music_iterator::construct_children()
+bool
+Music_iterator::ok () const
{
-
+ return false;
}
-Music_iterator::~Music_iterator()
+void
+Music_iterator::skip (Moment )
{
- set_translator (0);
}
-Moment
-Music_iterator::next_moment() const
+SCM
+Music_iterator::get_music (Moment)const
{
- return 0;
+ return SCM_EOL;
}
-void
-Music_iterator::process_and_next (Moment)
+
+
+/* We could do this decentrally:
+
+ - Declare a new smob-type, which stores a function ptr in its CDR
+ (and not a struct ptr). The function ptr has signature
+
+ Music_iterator* (*)()
+
+ - initialize all music with a set_mus_property("iterator-ctor"),
+
+ - do
+
+ func_ptr p = (func_ptr) gh_cdr (get_mus_property ("iterator-ctor"));
+ iter_p = (*p)();
+
+*/
+
+Music_iterator*
+Music_iterator::static_get_iterator_p (Music *m)
{
- first_b_ = false;
+ Music_iterator * p =0;
+
+ SCM type = m->get_mus_property ("type") ;
+
+ if (type == ly_symbol2scm ("property-set"))
+ p = new Property_iterator;
+ else if (type == ly_symbol2scm ("property-push"))
+ p = new Push_property_iterator;
+ else if (type == ly_symbol2scm ("property-pop"))
+ p = new Pop_property_iterator;
+ else if (type == ly_symbol2scm ("output-property"))
+ p = new Output_property_music_iterator;
+ else if (type == ly_symbol2scm ("request-chord"))
+ p = new Request_chord_iterator;
+ else if (type == ly_symbol2scm ("lyric-combine-music"))
+ p = new Lyric_combine_music_iterator;
+ else if (type == ly_symbol2scm ("simultaneous-music"))
+ p = new Simultaneous_music_iterator;
+ else if (type == ly_symbol2scm ("sequential-music"))
+ p = new Sequential_music_iterator;
+ else if (type == ly_symbol2scm ("change-translator"))
+ p = new Change_iterator;
+ else if (type == ly_symbol2scm ("time-scaled-music"))
+ p = new Time_scaled_music_iterator;
+ else if (type == ly_symbol2scm ("grace-music"))
+ p = new Grace_iterator;
+ else if (type == ly_symbol2scm ("auto-change-music"))
+ p = new Auto_change_iterator;
+ else if (type == ly_symbol2scm ("part-combined-music"))
+ p = new Part_combine_music_iterator;
+ else if (dynamic_cast<Music_wrapper *> (m))
+ p = new Music_wrapper_iterator;
+ else if (Repeated_music * n = dynamic_cast<Repeated_music *> (m))
+ {
+ if (n->type_ == "tremolo")
+ p = new Chord_tremolo_iterator;
+ else if (n->fold_b_)
+ p = new Folded_repeat_iterator;
+ else
+ p = new Unfolded_repeat_iterator;
+ }
+ else
+ {
+ p = new Simple_music_iterator ;
+ }
+
+ p->music_l_ = m;
+ p->music_length_ = m->length_mom ();
+
+ return p;
}
-bool
-Music_iterator::ok() const
+
+Moment
+Music_iterator::music_length_mom() const
{
- return first_b_;
+ return music_length_;
}
-Music_iterator*
-Music_iterator::static_get_iterator_p (Music *m,
- Translator_group*report_l)
+void
+Music_iterator::init_translator (Music *m, Translator_group *report_l)
{
- Music_iterator * p =0;
- if (m->is_type_b (Request_chord::static_name()))
- p = new Request_chord_iterator ((Request_chord*) m);
- else if (m->is_type_b (Chord::static_name()))
- p = new Chord_iterator ((Chord*) m);
- else if (m->is_type_b (Voice::static_name()))
- p = new Voice_iterator ((Voice*) m);
- else if (m->is_type_b (Translation_property::static_name ()))
- p = new Property_iterator((Translation_property *) m);
-
- if (m -> translator_type_str_)
+ music_l_ = m;
+ if (Context_specced_music * csm =dynamic_cast<Context_specced_music *> (m))
{
- Translator_group* a =report_l->
- find_create_translator_l (m-> translator_type_str_, m->translator_id_str_);
- p->set_translator (a);
+ SCM ct = csm->get_mus_property ("context-type");
+ String c_type;
+ if (gh_string_p (ct))
+ c_type = ly_scm2string (ct);
+
+ String c_id;
+ SCM ci = csm->get_mus_property ("context-id");
+ if (gh_string_p (ci))
+ c_id = ly_scm2string (ci);
+
+ Translator_group* a
+ =report_l->find_create_translator_l (c_type, c_id);
+
+ set_translator (a);
+
}
+ if (! report_to_l ())
+ set_translator (report_l);
+}
+
- if (! p->report_to_l())
- p ->set_translator (report_l);
+Music_iterator*
+Music_iterator::get_iterator_p (Music *m) const
+{
+ Music_iterator*p = static_get_iterator_p (m);
+ p->init_translator (m, report_to_l ());
+ p->construct_children ();
return p;
}
Music_iterator*
-Music_iterator::get_iterator_p (Music*m) const
+Music_iterator::try_music (Music *m) const
{
- Music_iterator*p = static_get_iterator_p (m,report_to_l());
- p->daddy_iter_l_ = (Music_iterator*)this;
- p->construct_children();
- return p;
+ bool b = report_to_l ()->try_music ( (Music*)m); // ugh
+ Music_iterator * it = b ? (Music_iterator*) this : 0; // ugh
+ if (!it)
+ it = try_music_in_children (m);
+ return it;
}
-Music_iterator::Music_iterator()
+Music_iterator*
+Music_iterator::try_music_in_children (Music *) const
{
- daddy_iter_l_ =0;
- first_b_ = true;
+ return 0;
}
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