/*
phrasing-slur-engraver.cc -- implement Phrasing_slur_engraver
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ source file of the GNU LilyPond music typesetter
+
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "musical-request.hh"
-#include "slur.hh"
-#include "debug.hh"
-#include "note-column.hh"
-#include "translator-group.hh"
#include "engraver.hh"
+
+#include "context.hh"
+#include "directional-element-interface.hh"
+#include "international.hh"
+#include "note-column.hh"
+#include "slur.hh"
#include "spanner.hh"
+#include "warn.hh"
+
+/*
+ It is possible that a slur starts and ends on the same note. At
+ least, it is for phrasing slurs: a note can be both beginning and
+ ending of a phrase.
+*/
class Phrasing_slur_engraver : public Engraver
{
- Link_array<Span_req> requests_arr_;
- Link_array<Span_req> new_phrasing_slur_req_l_arr_;
- Link_array<Grob> phrasing_slur_l_stack_;
- Link_array<Grob> end_phrasing_slur_l_arr_;
- Moment last_start_;
+ Drul_array<Music *> events_;
+ Music *running_slur_start_;
+ vector<Grob*> slurs_;
+ vector<Grob*> end_slurs_;
protected:
- virtual bool try_music (Music*);
- virtual void acknowledge_grob (Grob_info);
- virtual void stop_translation_timestep ();
- virtual void start_translation_timestep ();
+ virtual bool try_music (Music *);
+
+ void acknowledge_extra_object (Grob_info);
+ DECLARE_ACKNOWLEDGER (accidental);
+ DECLARE_ACKNOWLEDGER (dynamic_line_spanner);
+ DECLARE_ACKNOWLEDGER (fingering);
+ DECLARE_ACKNOWLEDGER (note_column);
+ DECLARE_ACKNOWLEDGER (script);
+ DECLARE_ACKNOWLEDGER (slur);
+ DECLARE_ACKNOWLEDGER (text_script);
+ DECLARE_ACKNOWLEDGER (tie);
+
+ void stop_translation_timestep ();
virtual void finalize ();
- virtual void create_grobs ();
+ void process_music ();
public:
- TRANSLATOR_DECLARATIONS(Phrasing_slur_engraver);
-
+ TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
};
Phrasing_slur_engraver::Phrasing_slur_engraver ()
{
- last_start_ = Moment (-1);
+ events_[START] = events_[STOP] = 0;
}
bool
-Phrasing_slur_engraver::try_music (Music *req_l)
+Phrasing_slur_engraver::try_music (Music *m)
{
- if (Span_req *sl = dynamic_cast <Span_req *> (req_l))
+ if (m->is_mus_type ("phrasing-slur-event"))
{
- String t = ly_scm2string (sl->get_mus_property ("span-type"));
- if (t == "abort")
+ /*
+ Let's not start more than one slur per moment.
+ */
+ Direction d = to_dir (m->get_property ("span-direction"));
+ if (d == START)
{
- for (int i = 0; i < phrasing_slur_l_stack_.size (); i++)
- {
- phrasing_slur_l_stack_[i]->suicide ();
- }
- phrasing_slur_l_stack_.clear ();
- for (int i = 0; i < end_phrasing_slur_l_arr_.size (); i++)
- {
- end_phrasing_slur_l_arr_[i]->suicide ();
- }
- end_phrasing_slur_l_arr_.clear ();
- requests_arr_.clear ();
- new_phrasing_slur_req_l_arr_.clear ();
+ events_[START] = m;
+ return true;
}
- else if (t == "phrasing-slur")
+ else if (d == STOP)
{
- /*
- Let's not start more than one phrasing slur per moment.
- */
- if (sl->get_span_dir () == START)
- {
- if (now_mom () > last_start_)
- {
- new_phrasing_slur_req_l_arr_.push (sl);
- last_start_ = now_mom ();
- return true;
- }
- }
- else
- {
- new_phrasing_slur_req_l_arr_.push (sl);
- return true;
- }
+ if (slurs_.empty ())
+ return false;
+
+ events_[STOP] = m;
+ return true;
}
}
return false;
}
void
-Phrasing_slur_engraver::acknowledge_grob (Grob_info info)
+Phrasing_slur_engraver::acknowledge_note_column (Grob_info info)
{
- if (Note_column::has_interface (info.grob_l_))
- {
- Grob *e =info.grob_l_;
- for (int i = 0; i < phrasing_slur_l_stack_.size (); i++)
- Slur::add_column (phrasing_slur_l_stack_[i], e);
- for (int i = 0; i < end_phrasing_slur_l_arr_.size (); i++)
- Slur::add_column (end_phrasing_slur_l_arr_[i], e);
- }
+ Grob *e = info.grob ();
+ for (vsize i = slurs_.size (); i--;)
+ Slur::add_column (slurs_[i], e);
+ for (vsize i = end_slurs_.size (); i--;)
+ Slur::add_column (end_slurs_[i], e);
}
void
-Phrasing_slur_engraver::finalize ()
+Phrasing_slur_engraver::acknowledge_extra_object (Grob_info info)
{
- for (int i = 0; i < phrasing_slur_l_stack_.size (); i++)
- {
-#if 0
- typeset_grob (phrasing_slur_l_stack_[i]);
-#else
- /*
- Let's not typeset unterminated stuff
- */
- phrasing_slur_l_stack_[i]->suicide ();
-#endif
- }
- phrasing_slur_l_stack_.clear ();
+ Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_);
+}
- for (int i=0; i < requests_arr_.size (); i++)
- {
- requests_arr_[i]->origin ()->warning (_ ("unterminated phrasing slur"));
- }
+void
+Phrasing_slur_engraver::acknowledge_accidental (Grob_info info)
+{
+ acknowledge_extra_object (info);
}
void
-Phrasing_slur_engraver::create_grobs ()
+Phrasing_slur_engraver::acknowledge_dynamic_line_spanner (Grob_info info)
{
- Link_array<Grob> start_phrasing_slur_l_arr;
- for (int i=0; i< new_phrasing_slur_req_l_arr_.size (); i++)
- {
- Span_req* phrasing_slur_req_l = new_phrasing_slur_req_l_arr_[i];
- // end phrasing slur: move the phrasing slur to other array
- if (phrasing_slur_req_l->get_span_dir () == STOP)
- {
- if (phrasing_slur_l_stack_.empty ())
- phrasing_slur_req_l->origin ()->warning (_f ("can't find start of phrasing slur"));
- else
- {
- Grob* phrasing_slur = phrasing_slur_l_stack_.pop ();
- SCM s = get_property ("phrasingSlurEndAttachment");
- if (gh_symbol_p (s))
- {
- index_set_cell (phrasing_slur->get_grob_property ("attachment"), STOP, s);
- }
- end_phrasing_slur_l_arr_.push (phrasing_slur);
- requests_arr_.pop ();
- }
- }
- else if (phrasing_slur_req_l->get_span_dir () == START)
- {
- // push a new phrasing_slur onto stack.
- // (use temp. array to wait for all phrasing_slur STOPs)
- Grob* phrasing_slur = new Spanner (get_property ("PhrasingSlur"));
- Slur::set_interface (phrasing_slur); // can't remove.
- SCM s = get_property ("phrasingSlurBeginAttachment");
- if (gh_symbol_p (s))
- {
- index_set_cell (phrasing_slur->get_grob_property ("attachment"), START, s);
- }
- start_phrasing_slur_l_arr.push (phrasing_slur);
- requests_arr_.push (phrasing_slur_req_l);
- announce_grob(phrasing_slur, phrasing_slur_req_l->self_scm());
- }
- }
- for (int i=0; i < start_phrasing_slur_l_arr.size (); i++)
- phrasing_slur_l_stack_.push (start_phrasing_slur_l_arr[i]);
- new_phrasing_slur_req_l_arr_.clear ();
+ acknowledge_extra_object (info);
}
void
-Phrasing_slur_engraver::stop_translation_timestep ()
+Phrasing_slur_engraver::acknowledge_fingering (Grob_info info)
{
- for (int i = 0; i < end_phrasing_slur_l_arr_.size (); i++)
- {
- typeset_grob (end_phrasing_slur_l_arr_[i]);
- }
- end_phrasing_slur_l_arr_.clear ();
+ acknowledge_extra_object (info);
+}
+
+void
+Phrasing_slur_engraver::acknowledge_script (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Phrasing_slur_engraver::acknowledge_text_script (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Phrasing_slur_engraver::acknowledge_tie (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Phrasing_slur_engraver::acknowledge_slur (Grob_info info)
+{
+ acknowledge_extra_object (info);
}
void
-Phrasing_slur_engraver::start_translation_timestep ()
+Phrasing_slur_engraver::finalize ()
{
- new_phrasing_slur_req_l_arr_.clear ();
+ if (slurs_.size ())
+ slurs_[0]->warning (_ ("unterminated phrasing slur"));
}
+void
+Phrasing_slur_engraver::process_music ()
+{
+ if (events_[STOP])
+ {
+ end_slurs_ = slurs_;
+ slurs_.clear ();
+ }
+
+ if (events_[START] && slurs_.empty ())
+ {
+ Music *ev = events_[START];
+
+ Grob *slur = make_spanner ("PhrasingSlur", events_[START]->self_scm ());
+ Direction updown = to_dir (ev->get_property ("direction"));
+ if (updown)
+ set_grob_direction (slur, updown);
+ slurs_.push_back (slur);
+ }
+}
+
+void
+Phrasing_slur_engraver::stop_translation_timestep ()
+{
+ end_slurs_.clear ();
+ events_[START] = events_[STOP] = 0;
+}
-ENTER_DESCRIPTION(Phrasing_slur_engraver,
-/* descr */ "Print phrasing slurs. Similar to Slur_engraver",
-/* creats*/ "PhrasingSlur",
-/* acks */ "note-column-interface",
-/* reads */ "slurBeginAttachment slurEndAttachment slurMelismaBusy",
-/* write */ "");
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, accidental);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, dynamic_line_spanner);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, fingering)
+ ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, slur);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, text_script);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tie);
+
+ADD_TRANSLATOR (Phrasing_slur_engraver,
+ /* doc */ "Print phrasing slurs. Similar to @ref{Slur_engraver}",
+ /* create */ "PhrasingSlur",
+ /* accept */ "phrasing-slur-event",
+ /* read */ "",
+ /* write */ "");
projects / lilypond.git / blobdiff