/*
- 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>
*/
-
+#include "debug.hh"
#include "music-list.hh"
#include "music-iterator.hh"
+#include "voice-iterator.hh"
+#include "chord-iterator.hh"
+#include "request-iterator.hh"
#include "translator.hh"
-#include "request.hh"
-#include "debug.hh"
IMPLEMENT_IS_TYPE_B(Music_iterator);
-Chord_iterator::~Chord_iterator()
-{
-}
void
-Music_iterator::do_print()const
+Music_iterator::do_print() const
{
}
Music_iterator::print() const
{
#ifndef NPRINT
- if ( !check_debug)
- return ;
+ if (!check_debug)
+ return ;
DOUT << name() << "{";
DOUT << "report to " <<
- report_to_l() << " (" << report_to_l ()->name () << ")\n";
- DOUT << "next at " << next_moment() << " ";
+ 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
{
assert (report_to_l());
if (report_to_l()->is_bottom_engraver_b ())
- return report_to_l();
+ return report_to_l();
set_translator (report_to_l()->get_default_interpreter ());
return report_to_l();
}
Translator*
-Music_iterator::report_to_l()const
+Music_iterator::report_to_l() const
{
if (! report_to_l_arr_.size())
- return 0;
+ return 0;
return report_to_l_arr_.top();
}
Music_iterator::set_translator (Translator*trans)
{
if (report_to_l()==trans)
- return;
- if ( report_to_l())
- pop_translator();
+ return;
+ if (report_to_l())
+ pop_translator();
if (trans)
- push_translator (trans);
+ push_translator (trans);
}
void
}
Moment
-Music_iterator::next_moment()const
+Music_iterator::next_moment() const
{
return 0;
}
}
bool
-Music_iterator::ok()const
+Music_iterator::ok() const
{
return first_b_;
}
Music_iterator*
Music_iterator::static_get_iterator_p (Music *m,
- Translator *report_l)
+ Translator *report_l)
{
Music_iterator * p =0;
if (m->is_type_b (Request_chord::static_name()))
- p = new Request_chord_iterator ((Request_chord*) m);
+ p = new Request_chord_iterator ((Request_chord*) m);
else if (m->is_type_b (Chord::static_name()))
- p = new Chord_iterator ((Chord*) m);
+ p = new Chord_iterator ((Chord*) m);
else if (m->is_type_b (Voice::static_name()))
- p = new Voice_iterator ((Voice*) m);
+ 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);
+ 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);
+ p ->set_translator (report_l);
return p;
}
Music_iterator*
-Music_iterator::get_iterator_p (Music*m)const
+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;
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
-{
-#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)
-{
- 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);
-}
-
-
-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_;
-}
-
-
-
-bool
-Chord_iterator::ok()const
-{
- return children_p_list_.size();
-}
-
-/* ************** */
-
-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_)
-{
- here_mom_ = v->offset_mom_;
- voice_C_ = v;
- iter_p_ =0;
-}
-
-void
-Voice_iterator::construct_children()
-{
- while (PCursor<Music*>::ok())
- {
- start_next_element();
- if ( !iter_p_->ok())
- {
- leave_element();
- }
- else
- {
- set_voice_translator();
- break;
- }
- }
-}
-
-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)
- {
- 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;
- }
- }
- }
-
-loopexit:
-
- Music_iterator::process_and_next (until);
-}
-
-Moment
-Voice_iterator::next_moment()const
-{
- return iter_p_->next_moment() + here_mom_;
-}
-
-bool
-Voice_iterator::ok()const
-{
- return iter_p_;
-}
-
-
-IMPLEMENT_IS_TYPE_B1(Request_chord_iterator,Music_iterator);
-
-void
-Request_chord_iterator::construct_children()
-{
- get_req_translator_l();
-}
-
-Request_chord_iterator::Request_chord_iterator (Request_chord*el_l)
-{
- elt_l_ = el_l;
- elt_duration_ = el_l->time_int().length ();
- last_b_ = false;
-}
-
-
-bool
-Request_chord_iterator::ok()const
-{
- return (elt_duration_ && !last_b_) || first_b_;
-}
-
-
-
-Moment
-Request_chord_iterator::next_moment()const
-{
- Moment m (0);
- if (!first_b_)
- m = elt_duration_;
- return m;
-}
-
-void
-Request_chord_iterator::do_print() const
-{
-#ifndef NPRINT
- DOUT << "duration: " << elt_duration_;
-#endif
-}
-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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