/*
- 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--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "music-list.hh"
+/*
+ UGH. too many includes.
+ */
+#include "warn.hh"
#include "music-iterator.hh"
-#include "register.hh"
-#include "register-group.hh"
-#include "interpreter.hh"
-
-IMPLEMENT_STATIC_NAME(Music_iterator);
-IMPLEMENT_IS_TYPE_B(Music_iterator);
+#include "translator-group.hh"
+#include "music-wrapper.hh"
+#include "music-wrapper-iterator.hh"
+#include "simple-music-iterator.hh"
+#include "context-specced-music.hh"
-Register_group_register *
-Music_iterator::get_req_acceptor_l()
+Music_iterator::Music_iterator ()
{
- assert(report_to_reg_l_);
- if (report_to_reg_l_->interpreter_l() )
- return report_to_reg_l_;
-
- report_to_reg_l_ = report_to_reg_l_->get_default_interpreter();
- return report_to_reg_l_;
}
-void
-Music_iterator::construct_children()
+Music_iterator::Music_iterator (Music_iterator const& src)
{
-
-}
-
-Music_iterator::~Music_iterator(){
+ handle_ = *src.handle_.clone ();
+ music_l_ = src.music_l_;
+ music_length_ = src.music_length_;
+ start_mom_ = src.start_mom_;
}
-Moment
-Music_iterator::next_moment()const
+Music_iterator::~Music_iterator ()
{
- return 0;
}
-void
-Music_iterator::next(Moment)
-{
- first_b_ = false;
-}
-bool
-Music_iterator::ok()const
-{
- return first_b_;
-}
-Music_iterator*
-Music_iterator::static_get_iterator_p(Music *m,
- Register_group_register *report_l)
-{
- Music_iterator * p =0;
- if (m->is_type_b( Change_reg::static_name()))
- p = new Change_iterator((Change_reg*)m);
- else if (m->is_type_b( Voice_element::static_name()))
- p = new Voice_element_iterator( (Voice_element*) 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( Request::static_name() ))
- p = new Request_iterator( (Request*) m );
-
- if ( m->is_type_b( Music_list::static_name())) {
- Music_list* ml = (Music_list*) m;
- if (ml -> type_str_ != "") {
- p->report_to_reg_l_ =
- report_l->find_get_reg_l(ml-> type_str_, ml->id_str_);
-
- }
- }
- if (! p->report_to_reg_l_ )
- p ->report_to_reg_l_ = report_l;
-
- return p;
-}
-Music_iterator*
-Music_iterator::get_iterator_p(Music*m)const
+Translator_group*
+Music_iterator::report_to_l () const
{
- Music_iterator*p = static_get_iterator_p(m,report_to_reg_l_);
- p->daddy_iter_l_ = (Music_iterator*)this;
- p->construct_children();
- return p;
+ return handle_.report_to_l ();
}
-Music_iterator::Music_iterator()
-{
- daddy_iter_l_ =0;
- report_to_reg_l_ = 0;
- first_b_ = true;
-}
-
-/* ************** */
-
-Chord_iterator::Chord_iterator(Chord const *chord_C)
-{
- chord_C_ = chord_C;
-}
void
-Chord_iterator::construct_children()
+Music_iterator::set_translator (Translator_group *trans)
{
- int j =0;
- for(iter(chord_C_->music_p_list_.top(), i); i.ok(); j++, i++) {
-
- Music_iterator * mi = get_iterator_p( i.ptr());
- report_to_reg_l_ = mi->report_to_reg_l_->ancestor_l( chord_C_->multi_level_i_ );
- children_p_list_.bottom().add( mi );
- }
+ handle_.set_translator (trans);
}
void
-Chord_iterator::next(Moment until)
+Music_iterator::construct_children ()
{
- for (iter(children_p_list_.top(), i); i.ok(); ) {
- if (i->next_moment() == until) {
- i->next(until);
- }
- if (!i->ok())
- i.del();
- else
- i++;
- }
- Music_iterator::next(until);
-
- assert(!ok() || next_moment() > until);
}
-IMPLEMENT_STATIC_NAME(Chord_iterator);
-IMPLEMENT_IS_TYPE_B1(Chord_iterator,Music_iterator);
-
Moment
-Chord_iterator::next_moment()const
+Music_iterator::pending_moment () const
{
- Moment next_ = INFTY;
- for (iter(children_p_list_.top(), i); i.ok(); i++)
- next_ = next_ <? i->next_moment() ;
- return next_;
+ return 0;
}
-
-
-bool
-Chord_iterator::ok()const
+void
+Music_iterator::process (Moment)
{
- return children_p_list_.size();
}
-/* ************** */
-
-Voice_iterator::Voice_iterator(Voice const*v)
- : PCursor<Music*> ( v->music_p_list_)
+bool
+Music_iterator::ok () const
{
- here_mom_ = v->offset_mom_;
- voice_C_ = v;
- iter_p_ =0;
+ return false;
}
void
-Voice_iterator::construct_children()
+Music_iterator::skip (Moment)
{
- if (ok()) {
-
- iter_p_ = Music_iterator::get_iterator_p( ptr() );
- report_to_reg_l_ =
- iter_p_->report_to_reg_l_->ancestor_l( voice_C_ ->multi_level_i_ );
- }
}
-void
-Voice_iterator::next_element()
+SCM
+Music_iterator::get_music (Moment)const
{
- delete iter_p_ ;
- iter_p_ =0;
- here_mom_ += ptr()->time_int().length();
- PCursor<Music*>::next();
- construct_children();
+ return SCM_EOL;
}
-Voice_iterator::~Voice_iterator()
+Music_iterator*
+Music_iterator::static_get_iterator_p (Music *m)
{
- delete iter_p_;
-}
-
-IMPLEMENT_STATIC_NAME(Voice_iterator);
-IMPLEMENT_IS_TYPE_B1(Voice_iterator,Music_iterator);
+ Music_iterator * p =0;
-void
-Voice_iterator::next(Moment until)
-{
- while (ok()) {
- Moment local_until = until - here_mom_;
- while ( iter_p_ && iter_p_->ok() ) {
- Moment here = iter_p_->next_moment();
- if (here != local_until)
- return;
- iter_p_->next(local_until);
- }
- if (!iter_p_)
- iter_p_ = Music_iterator::get_iterator_p( ptr() );
- else if (!iter_p_->ok() )
- next_element();
+ SCM ctor = m->get_mus_property ("iterator-ctor") ;
+ if (unsmob_cxx_function (ctor))
+ {
+ Cxx_function f = unsmob_cxx_function (ctor);
+
+ p = (Music_iterator*) (*f) (SCM_EOL);
}
- Music_iterator::next(until);
- assert(!ok() || next_moment() > until);
+ else if (dynamic_cast<Music_wrapper *> (m))
+ p = new Music_wrapper_iterator;
+ else
+ {
+ p = new Simple_music_iterator ;
+ }
+
+ p->music_l_ = m;
+ assert (m);
+ p->music_length_ = m->length_mom ();
+ p->start_mom_ = m->start_mom ();
+ return p;
}
+
Moment
-Voice_iterator::next_moment()const
+Music_iterator::music_length_mom () const
{
- return iter_p_->next_moment() + here_mom_;
-}
+ return music_length_;
-bool
-Voice_iterator::ok()const
-{
- return PCursor<Music*>::ok();
}
-/* ***************** */
-
-Request_iterator::Request_iterator(Request const*c)
+Moment
+Music_iterator::music_start_mom ()const
{
- req_l_ = (Request*)c;
+ return start_mom_;
}
void
-Request_iterator::next(Moment m)
-{
- if ( !daddy_iter_l_->report_to_reg_l_->
- interpreter_l()->interpret_request_b(req_l_) )
- req_l_->warning("Junking request: " + String(req_l_->name()));
+Music_iterator::init_translator (Music *m, Translator_group *report_l)
+{
+ music_l_ = m;
+ assert (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);
+
+ }
-
- Music_iterator::next(m);
+ if (! report_to_l ())
+ set_translator (report_l);
}
-IMPLEMENT_STATIC_NAME(Request_iterator);
-IMPLEMENT_IS_TYPE_B1(Request_iterator, Music_iterator);
-/* ****************** */
-
-Change_iterator::Change_iterator(Change_reg * ch)
+Music_iterator*
+Music_iterator::get_iterator_p (Music *m) const
{
- change_l_ = ch;
+ Music_iterator*p = static_get_iterator_p (m);
+ p->init_translator (m, report_to_l ());
+
+ p->construct_children ();
+ return p;
}
-IMPLEMENT_STATIC_NAME(Change_iterator);
-IMPLEMENT_IS_TYPE_B1(Change_iterator,Music_iterator);
-
/*
- TODO: pop/pushgroup
+ TODO: rename to prevent confusion between Translator::try_music and
+ Iterator::try_music
+
*/
-void
-Change_iterator::next(Moment mom)
-{
- Register_group_register *group_l =
- report_to_reg_l_->find_get_reg_l(change_l_->type_str_,
- change_l_->id_str_);
- report_to_reg_l_->daddy_reg_l_->remove_register_p(report_to_reg_l_);
- group_l->add(report_to_reg_l_);
-
- Music_iterator::next(mom);
+Music_iterator*
+Music_iterator::try_music (Music *m) const
+{
+ 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;
}
-
-
-/* ******************** */
-
-IMPLEMENT_STATIC_NAME(Voice_element_iterator);
-IMPLEMENT_IS_TYPE_B1(Voice_element_iterator,Chord_iterator);
-
-void
-Voice_element_iterator::construct_children()
+Music_iterator*
+Music_iterator::try_music_in_children (Music *) const
{
- if ( daddy_iter_l_
- && daddy_iter_l_->is_type_b(Voice_iterator::static_name() )) {
- report_to_reg_l_ = daddy_iter_l_-> get_req_acceptor_l();
- } else if (daddy_iter_l_
- && daddy_iter_l_-> is_type_b( Chord_iterator::static_name() )) {
-
- get_req_acceptor_l();
- }
- Chord_iterator::construct_children();
+ return 0;
}
-Voice_element_iterator::Voice_element_iterator(Voice_element*el_l)
- : Chord_iterator(el_l)
+IMPLEMENT_CTOR_CALLBACK (Music_iterator);
+
+Music *
+Music_iterator::music_l () const
{
-
+ return music_l_;
}
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