/*
engraver.cc -- implement Engraver
- Sourcefile of GNU LilyPond musictypesetter
+ Sourcefile of GNU LilyPond music type setter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "music-list.hh"
-#include "musical-request.hh"
+#include "music.hh"
#include "engraver.hh"
-#include "engraver-group.hh"
-#include "debug.hh"
+#include "engraver-group-engraver.hh"
+#include "grob.hh"
+#include "score-engraver.hh"
+#include "warn.hh"
+#include "spanner.hh"
+#include "item.hh"
void
-Engraver::post_move_processing()
+Engraver::announce_grob (Grob_info inf)
{
- if (status < CREATION_INITED) {
- do_creation_processing();
- status = CREATION_INITED;
- }
- if (status >= MOVE_INITED)
- return;
-
- do_post_move_processing();
- status = MOVE_INITED;
-}
-
-bool
-Engraver::try_request(Request * r)
-{
- if (status < MOVE_INITED)
- post_move_processing();
-
- return do_try_request(r);
+ get_daddy_grav ()->announce_grob (inf);
}
+/*
+ CAUSE is the object (typically a Music object) that
+ was the reason for making E.
+ */
void
-Engraver::process_requests()
+Engraver::announce_grob (Grob* e, SCM cause)
{
- if (status < PROCESSED_REQS)
- post_move_processing();
- else if (status >= PROCESSED_REQS)
- return;
-
- status = PROCESSED_REQS;
- do_process_requests();
-}
+ /*
+ TODO: junk grob-info, and make a cause grob-property to store
+ `causes' generically.
+ */
+ if (unsmob_music (cause) || unsmob_grob (cause))
+ e->set_grob_property ("cause", cause);
-void
-Engraver::pre_move_processing()
-{
- do_pre_move_processing();
- status = CREATION_INITED;
-}
+ Grob_info i;
+ i.grob_ = e;
+ if (!i.origin_trans_)
+ i.origin_trans_ = this;
-void
-Engraver::fill_staff_info(Staff_info&)
-{
-
-}
-Scalar
-Engraver::get_feature(String t)
-{
- return daddy_grav_l_->get_feature(t);
-}
-bool
-Engraver::do_try_request(Request*)
-{
- return false;
+ get_daddy_grav ()->announce_grob (i);
}
-Engraver::Engraver()
-{
- status = VIRGIN;
- daddy_grav_l_ = 0;
-}
+
void
-Engraver::announce_element(Score_elem_info i)
+Engraver::typeset_grob (Grob*p)
{
- i.origin_grav_l_arr_.push(this);
- daddy_grav_l_->announce_element(i);
+ get_daddy_grav ()->typeset_grob (p);
}
-void
-Engraver::typeset_element(Score_elem*p)
-{
- daddy_grav_l_->typeset_element(p);
-}
-Paper_def*
-Engraver::paper()const
+Engraver_group_engraver*
+Engraver::get_daddy_grav () const
{
- return daddy_grav_l_->paper();
+ return (daddy_trans_)
+ ? dynamic_cast<Engraver_group_engraver *> (daddy_trans_)
+ : 0;
}
void
-Engraver::typeset_breakable_item(Item * nobreak_p)
+Engraver::process_music ()
{
- daddy_grav_l_->typeset_breakable_item(nobreak_p);
+
}
-bool
-Engraver::contains_b(Engraver *grav_l)const
+Item*
+Engraver::internal_make_item (SCM x)
{
- return this == grav_l;
+ SCM props = internal_get_property (x);
+ return new Item (props);
}
-Staff_info
-Engraver::get_staff_info() const
+Spanner*
+Engraver::internal_make_spanner (SCM x)
{
- return daddy_grav_l_->get_staff_info();
+ SCM props = internal_get_property (x);
+ return new Spanner (props);
}
-void
-Engraver::print() const
+Engraver::Engraver()
{
-#ifndef NPRINT
- mtor << "\n" << name() << " {";
- do_print();
- mtor << "}";
-#endif
}
-IMPLEMENT_STATIC_NAME(Engraver);
-IMPLEMENT_IS_TYPE_B(Engraver);
-void
-Engraver::do_print() const
+Score_engraver*
+Engraver::top_engraver () const
{
+ return dynamic_cast<Score_engraver*> (top_translator());
}
+ENTER_DESCRIPTION(Engraver,
+ "", "",
+ "",
+ "", "", "");
+