source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "debug.hh"
-#include "music-list.hh"
+
+/*
+ UGH. too many includes.
+ */
+#include "warn.hh"
#include "music-iterator.hh"
-#include "property-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"
-#include "change-iterator.hh"
-#include "change-translator.hh"
#include "music-wrapper.hh"
#include "music-wrapper-iterator.hh"
-#include "time-scaled-music-iterator.hh"
-#include "time-scaled-music.hh"
+#include "simple-music-iterator.hh"
#include "context-specced-music.hh"
-#include "new-repeated-music.hh"
-#include "folded-repeat-iterator.hh"
-#include "unfolded-repeat-iterator.hh"
-#include "grace-iterator.hh"
-#include "grace-music.hh"
-void
-Music_iterator::do_print() const
+Music_iterator::Music_iterator ()
{
}
-void
-Music_iterator::print() const
-{
-#ifndef NPRINT
- if (!check_debug)
- return ;
- DOUT << classname(this) << "{";
- DOUT << "report to " <<
- report_to_l() << " (" << classname (report_to_l ()) << ")\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)
+{
+ handle_ = *src.handle_.clone ();
+ music_ = src.music_;
+ music_length_ = src.music_length_;
+ start_mom_ = src.start_mom_;
}
-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
+Music_iterator::report_to () const
{
- return handle_.report_to_l ();
+ return handle_.report_to ();
}
void
-Music_iterator::set_translator (Translator_group*trans)
+Music_iterator::set_translator (Translator_group *trans)
{
handle_.set_translator (trans);
}
void
-Music_iterator::construct_children()
-{
-}
-
-Music_iterator::~Music_iterator()
+Music_iterator::construct_children ()
{
}
Moment
-Music_iterator::next_moment() const
+Music_iterator::pending_moment () const
{
return 0;
}
-Music*
-Music_iterator::next_music_l ()
+void
+Music_iterator::process (Moment)
{
- return 0;
}
-void
-Music_iterator::process_and_next (Moment m)
+bool
+Music_iterator::ok () const
{
- do_process_and_next (m);
+ return false;
}
void
-Music_iterator::do_process_and_next (Moment)
+Music_iterator::skip (Moment)
{
- first_b_ = false;
}
-bool
-Music_iterator::ok() const
+SCM
+Music_iterator::get_pending_events (Moment)const
{
- return first_b_;
+ return SCM_EOL;
}
Music_iterator*
-Music_iterator::static_get_iterator_p (Music const *m)
+Music_iterator::get_static_get_iterator (Music *m)
{
Music_iterator * p =0;
-
- if (dynamic_cast<Request_chord const *> (m))
- p = new Request_chord_iterator;
- else if (dynamic_cast<Simultaneous_music const *> (m))
- p = new Simultaneous_music_iterator;
- else if (dynamic_cast<Sequential_music const *> (m))
- p = new Sequential_music_iterator;
- else if (dynamic_cast<Translation_property const *> (m))
- p = new Property_iterator;
- else if (dynamic_cast<Change_translator const *> (m))
- p = new Change_iterator;
- else if (dynamic_cast<Time_scaled_music const *> (m))
- p = new Time_scaled_music_iterator;
- else if (dynamic_cast<Grace_music const*> (m))
- p = new Grace_iterator;
- else if (dynamic_cast<Music_wrapper const *> (m))
- p = new Music_wrapper_iterator;
- else if (Repeated_music const * n = dynamic_cast<Repeated_music const *> (m))
+
+ SCM ctor = m->get_mus_property ("iterator-ctor") ;
+ if (unsmob_cxx_function (ctor))
{
- if (n->fold_b_)
- p = new Folded_repeat_iterator;
- else
- p = new Unfolded_repeat_iterator;
+ Cxx_function f = unsmob_cxx_function (ctor);
+
+ p = (Music_iterator*) (*f) (SCM_EOL);
}
+ else if (dynamic_cast<Music_wrapper *> (m))
+ p = new Music_wrapper_iterator;
else
- assert (0);
-
+ {
+ p = new Simple_music_iterator ;
+ }
- p->music_l_ = m;
+ p->music_ = m;
+ assert (m);
+ p->music_length_ = m->length_mom ();
+ p->start_mom_ = m->start_mom ();
return p;
}
+
+Moment
+Music_iterator::music_length_mom () const
+{
+ return music_length_;
+
+}
+
+Moment
+Music_iterator::music_start_mom ()const
+{
+ return start_mom_;
+}
+
void
-Music_iterator::init_translator (Music const *m, Translator_group *report_l)
+Music_iterator::init_translator (Music *m, Translator_group *report)
{
- music_l_ = m;
- if (Context_specced_music const * csm =dynamic_cast<Context_specced_music const*>(m))
+ music_ = m;
+ assert (m);
+ if (Context_specced_music * csm =dynamic_cast<Context_specced_music *> (m))
{
- Translator_group* a =report_l->
- find_create_translator_l (csm->translator_type_str_, csm->translator_id_str_);
+ 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->find_create_translator (c_type, c_id);
set_translator (a);
}
- if (! report_to_l())
- set_translator (report_l);
+ if (! report_to ())
+ set_translator (report);
}
Music_iterator*
-Music_iterator::get_iterator_p (Music const*m) const
+Music_iterator::get_iterator (Music *m) const
{
- Music_iterator*p = static_get_iterator_p (m);
- p->init_translator (m, report_to_l());
+ Music_iterator*p = get_static_get_iterator (m);
+ p->init_translator (m, report_to ());
- p->construct_children();
+ p->construct_children ();
return p;
}
-Music_iterator::Music_iterator()
+/*
+ TODO: rename to prevent confusion between Translator::try_music and
+ Iterator::try_music
+
+ */
+
+Music_iterator*
+Music_iterator::try_music (Music *m) const
+{
+ bool b = report_to ()->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::try_music_in_children (Music *) const
{
- first_b_ = true;
+ return 0;
}
+IMPLEMENT_CTOR_CALLBACK (Music_iterator);
+Music *
+Music_iterator::get_music () const
+{
+ return music_;
+}