/*
- engraver.cc -- implement Request_engraver
+ 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--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "music-list.hh"
-#include "musical-request.hh"
#include "engraver.hh"
-#include "engraver-group.hh"
-#include "debug.hh"
-void
-Request_engraver::post_move_processing()
-{
-
- if (status < CREATION_INITED) {
- do_creation_processing();
- status = CREATION_INITED;
- }
- if (status >= MOVE_INITED)
- return;
-
- do_post_move_processing();
- status = MOVE_INITED;
-}
+#include "context.hh"
+#include "item.hh"
+#include "lilypond-key.hh"
+#include "music.hh"
+#include "score-engraver.hh"
+#include "spanner.hh"
+#include "stream-event.hh"
+#include "warn.hh"
-bool
-Request_engraver::try_request(Request * r)
+Engraver_group *
+Engraver::get_daddy_engraver () const
{
- if (status < MOVE_INITED)
- post_move_processing();
-
- return do_try_request(r);
+ return dynamic_cast<Engraver_group *> (get_daddy_translator ());
}
void
-Request_engraver::process_requests()
+Engraver::announce_grob (Grob_info inf)
{
- if (status < PROCESSED_REQS)
- post_move_processing();
- else if (status >= PROCESSED_REQS)
- return;
-
- status = PROCESSED_REQS;
- do_process_requests();
+ get_daddy_engraver ()->announce_grob (inf);
}
void
-Request_engraver::pre_move_processing()
+Engraver::announce_end_grob (Grob_info inf)
{
- do_pre_move_processing();
- status = CREATION_INITED;
+ get_daddy_engraver ()->announce_grob (inf);
}
+/*
+ CAUSE is the object (typically a Stream_event object) that
+ was the reason for making E.
+*/
void
-Request_engraver::fill_staff_info(Staff_info&)
+Engraver::announce_grob (Grob *e, SCM cause)
{
-
-}
-
-Scalar
-Request_engraver::get_feature(String t)
-{
- return daddy_grav_l_->get_feature(t);
-}
+ /* TODO: Remove Music code when it's no longer needed */
+ if (Music *m = unsmob_music (cause))
+ {
+ cause = m->to_event ()->unprotect ();
+ }
+ if (unsmob_stream_event (cause) || unsmob_grob (cause))
+ e->set_property ("cause", cause);
-bool
-Request_engraver::do_try_request(Request*)
-{
- return false;
-}
+ Grob_info i (this, e);
-Request_engraver::Request_engraver()
-{
- status = VIRGIN;
- daddy_grav_l_ = 0;
+ Engraver_group *g = get_daddy_engraver ();
+ if (g)
+ g->announce_grob (i);
}
-void
-Request_engraver::announce_element(Score_elem_info i)
-{
- i.origin_grav_l_arr_.push(this);
- daddy_grav_l_->announce_element(i);
-}
+/*
+ CAUSE is the object (typically a Music object) that
+ was the reason for making E.
+*/
void
-Request_engraver::typeset_element(Score_elem*p)
-{
- daddy_grav_l_->typeset_element(p);
-}
-
-Paper_def*
-Request_engraver::paper()const
+Engraver::announce_end_grob (Grob *e, SCM cause)
{
- return daddy_grav_l_->paper();
-}
+ /* TODO: Remove Music code when it's no longer needed */
+ if (Music *m = unsmob_music (cause))
+ {
+ cause = m->to_event ()->unprotect ();
+ }
+ if (unsmob_stream_event (cause) || unsmob_grob (cause))
+ e->set_property ("cause", cause);
-void
-Request_engraver::typeset_breakable_item(Item * nobreak_p)
-{
- daddy_grav_l_->typeset_breakable_item(nobreak_p);
-}
+ Grob_info i (this, e);
-bool
-Request_engraver::contains_b(Request_engraver *grav_l)const
-{
- return this == grav_l;
+ i.start_end_ = STOP;
+ Engraver_group *g = get_daddy_engraver ();
+ if (g)
+ g->announce_grob (i);
}
-Staff_info
-Request_engraver::get_staff_info() const
-{
- return daddy_grav_l_->get_staff_info();
-}
-void
-Request_engraver::print() const
+Engraver::Engraver ()
{
-#ifndef NPRINT
- mtor << "\n" << name() << " {";
- do_print();
- mtor << "}";
-#endif
}
-IMPLEMENT_STATIC_NAME(Request_engraver);
-IMPLEMENT_IS_TYPE_B(Request_engraver);
-
-void
-Request_engraver::do_print()const
-{
-}
+#include "translator.icc"
+ADD_TRANSLATOR (Engraver,
+ "Base class for engravers. Does nothing, so it is not used.",
+ "",
+ "",
+ "",
+ "");