/*
- music-iterator.cc -- implement {Music,Chord,Voice}_iterator
+ music-iterator.cc -- implement Music_iterator
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>
*/
-#include "music-list.hh"
-#include "music-iterator.hh"
-#include "translator.hh"
-#include "request.hh"
+/*
+ UGH. too many includes.
+ */
#include "debug.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 "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"
-
-IMPLEMENT_IS_TYPE_B(Music_iterator);
-
-Chord_iterator::~Chord_iterator()
+Music_iterator::Music_iterator ()
{
+ // clone_i_ = 0;
}
-void
-Music_iterator::do_print()const
+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_;
}
-void
-Music_iterator::print() const
+Music_iterator::~Music_iterator ()
{
-#ifndef NPRINT
- if ( !check_debug)
- return ;
- DOUT << name() << "{";
- DOUT << "report to " <<
- report_to_l() << " (" << report_to_l ()->name () << ")\n";
- DOUT << "next at " << next_moment() << " ";
- do_print();
- DOUT << "}\n";
-#endif
}
-Translator *
-Music_iterator::get_req_translator_l()
-{
- assert (report_to_l());
- if (report_to_l()->is_bottom_engraver_b ())
- return report_to_l();
- set_translator (report_to_l()->get_default_interpreter ());
- return report_to_l();
-}
-void
-Music_iterator::push_translator (Translator*t)
-{
- report_to_l_arr_.push (t);
- t->iterator_count_ ++;
-}
-void
-Music_iterator::pop_translator()
+Translator_group*
+Music_iterator::report_to_l () const
{
- report_to_l()->iterator_count_ --;
- assert (report_to_l()->iterator_count_ >=0);
- report_to_l_arr_.pop();
+ return handle_.report_to_l ();
}
-Translator*
-Music_iterator::report_to_l()const
-{
- if (! report_to_l_arr_.size())
- return 0;
- return report_to_l_arr_.top();
-}
-
-
-void
-Music_iterator::set_translator (Translator*trans)
-{
- if (report_to_l()==trans)
- return;
- if ( report_to_l())
- pop_translator();
- if (trans)
- push_translator (trans);
-}
void
-Music_iterator::construct_children()
+Music_iterator::set_translator (Translator_group *trans)
{
-
+ handle_.set_translator (trans);
}
-Music_iterator::~Music_iterator()
+void
+Music_iterator::construct_children ()
{
- set_translator (0);
}
Moment
-Music_iterator::next_moment()const
+Music_iterator::pending_moment () const
{
return 0;
}
+
void
-Music_iterator::process_and_next (Moment)
+Music_iterator::process (Moment)
{
- first_b_ = false;
}
bool
-Music_iterator::ok()const
+Music_iterator::ok () const
{
- return first_b_;
+ return false;
}
-Music_iterator*
-Music_iterator::static_get_iterator_p (Music *m,
- Translator *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);
-
- if (m -> type_str_ != "")
- {
- Translator * a =report_l->
- find_get_translator_l (m-> type_str_, m->id_str_);
- p->set_translator (a);
- }
-
-
- if (! p->report_to_l())
- p ->set_translator (report_l);
-
- return p;
-}
-
-Music_iterator*
-Music_iterator::get_iterator_p (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;
-}
-
-Music_iterator::Music_iterator()
-{
- daddy_iter_l_ =0;
- first_b_ = true;
-}
-
-/* ************** */
-
-Chord_iterator::Chord_iterator (Chord const *chord_C)
-{
- chord_C_ = chord_C;
-}
-
-void
-Chord_iterator::construct_children()
-{
- int j = 0;
- for (PCursor<Music*> i (chord_C_->music_p_list_.top()); //, int j = 0;
- i.ok(); j++, i++)
- {
- Music_iterator * mi = get_iterator_p (i.ptr());
- if ( mi->ok())
- {
- set_translator (mi->report_to_l()->ancestor_l (
- chord_C_->multi_level_i_) );
- children_p_list_.bottom().add (mi);
- }
- else
- delete mi;
- }
-}
void
-Chord_iterator::do_print() const
+Music_iterator::skip (Moment )
{
-#ifndef NPRINT
- for (PCursor<Music_iterator*> i (children_p_list_.top()); i.ok (); i++)
- {
- i->print();
- }
-#endif
}
-void
-Chord_iterator::process_and_next (Moment until)
+SCM
+Music_iterator::get_music (Moment)const
{
- for (PCursor<Music_iterator*> i (children_p_list_.top()); i.ok ();)
- {
- if (i->next_moment() == until)
- {
- i->process_and_next (until);
- }
- if (!i->ok())
- delete i.remove_p();
- else
- i++;
- }
- Music_iterator::process_and_next (until);
+ return SCM_EOL;
}
-IMPLEMENT_IS_TYPE_B1(Chord_iterator,Music_iterator);
-Moment
-Chord_iterator::next_moment()const
-{
- Moment next_ = infinity_mom;
- for (PCursor<Music_iterator*> i (children_p_list_.top()); i.ok (); i++)
- next_ = next_ <? i->next_moment() ;
- return next_;
-}
+/* 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* (*)()
-bool
-Chord_iterator::ok()const
-{
- return children_p_list_.size();
-}
+ - 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)();
-void
-Voice_iterator::do_print()const
-{
- if (iter_p_)
- iter_p_->print();
-}
+*/
-Voice_iterator::Voice_iterator (Voice const*v)
- : PCursor<Music*> ( v->music_p_list_)
+Music_iterator*
+Music_iterator::static_get_iterator_p (Music *m)
{
- here_mom_ = v->offset_mom_;
- voice_C_ = v;
- iter_p_ =0;
-}
+ Music_iterator * p =0;
-void
-Voice_iterator::construct_children()
-{
- while (PCursor<Music*>::ok())
+ 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))
{
- start_next_element();
- if ( !iter_p_->ok())
- {
- leave_element();
- }
- else
- {
- set_voice_translator();
- break;
- }
+ 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;
}
-}
-
-void
-Voice_iterator::leave_element()
-{
- delete iter_p_;
- iter_p_ =0;
- MInterval elt_time = ptr()->time_int ();
- if (!elt_time.empty_b())
- here_mom_ += elt_time.length();
- PCursor<Music*>::next();
-}
-
-void
-Voice_iterator::start_next_element()
-{
- assert (!iter_p_);
- iter_p_ = get_iterator_p (ptr());
-}
-
-void
-Voice_iterator::set_voice_translator()
-{
- if (iter_p_->report_to_l()->depth_i () > report_to_l ()->depth_i ())
- set_translator (iter_p_->report_to_l());
-}
-
-Voice_iterator::~Voice_iterator()
-{
- assert (! iter_p_);
-}
-
-
-IMPLEMENT_IS_TYPE_B1(Voice_iterator,Music_iterator);
-
-void
-Voice_iterator::process_and_next (Moment until)
-{
- while (1)
+ else
{
- Moment local_until = until - here_mom_;
- while ( iter_p_->ok())
- {
- Moment here = iter_p_->next_moment();
- if (here != local_until)
- goto loopexit;
-
- iter_p_->process_and_next (local_until);
- }
-
- if (!iter_p_->ok())
- {
- leave_element();
- if ( PCursor<Music*>::ok())
- {
- start_next_element();
- set_voice_translator();
- }
- else
- {
- goto loopexit;
- }
- }
+ p = new Simple_music_iterator ;
}
-loopexit:
-
- Music_iterator::process_and_next (until);
+ p->music_l_ = m;
+ p->music_length_ = m->length_mom ();
+
+ return p;
}
-Moment
-Voice_iterator::next_moment()const
-{
- return iter_p_->next_moment() + here_mom_;
-}
-bool
-Voice_iterator::ok()const
+Moment
+Music_iterator::music_length_mom() const
{
- return iter_p_;
+ return music_length_;
}
-
-IMPLEMENT_IS_TYPE_B1(Request_chord_iterator,Music_iterator);
-
void
-Request_chord_iterator::construct_children()
+Music_iterator::init_translator (Music *m, Translator_group *report_l)
{
- get_req_translator_l();
-}
+ music_l_ = m;
+ if (Context_specced_music * csm =dynamic_cast<Context_specced_music *> (m))
+ {
+ 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);
+
+ }
-Request_chord_iterator::Request_chord_iterator (Request_chord*el_l)
-{
- elt_l_ = el_l;
- elt_duration_ = el_l->time_int().length ();
- last_b_ = false;
+ if (! report_to_l ())
+ set_translator (report_l);
}
-bool
-Request_chord_iterator::ok()const
+Music_iterator*
+Music_iterator::get_iterator_p (Music *m) const
{
- return (elt_duration_ && !last_b_) || first_b_;
+ Music_iterator*p = static_get_iterator_p (m);
+ p->init_translator (m, report_to_l ());
+
+ p->construct_children ();
+ return p;
}
-
-
-Moment
-Request_chord_iterator::next_moment()const
+Music_iterator*
+Music_iterator::try_music (Music *m) const
{
- Moment m (0);
- if (!first_b_)
- m = elt_duration_;
- return m;
+ 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;
}
-void
-Request_chord_iterator::do_print() const
+Music_iterator*
+Music_iterator::try_music_in_children (Music *) const
{
-#ifndef NPRINT
- DOUT << "duration: " << elt_duration_;
-#endif
+ return 0;
}
-void
-Request_chord_iterator::process_and_next (Moment mom)
-{
- if ( first_b_)
- {
- for (PCursor<Music*> i (elt_l_->music_p_list_); i.ok(); i++)
- {
- assert (i->is_type_b (Request::static_name()));
- Request * req_l = (Request*)i.ptr();
- bool gotcha = report_to_l()->try_request (req_l);
- if (!gotcha)
- req_l->warning ("Junking request: " + String (req_l->name()));
-
- }
- first_b_ = false;
- }
- if ( mom >= elt_duration_)
- last_b_ = true;
-}
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