--- /dev/null
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2013--2015 Mike Solomon <mike@mikesolomon.org>
+ Copyright (C) 2016 David Kastrup <dak@gnu.org>
+
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SLUR_ENGRAVER_HH
+#define SLUR_ENGRAVER_HH
+
+#include "engraver.hh"
+#include <map>
+
+class Slur_engraver : public Engraver
+{
+protected:
+ struct Event_info {
+ Stream_event *slur_, *note_;
+ Event_info (Stream_event *slur, Stream_event *note)
+ : slur_ (slur), note_ (note)
+ { }
+ };
+ // protected so that subclasses can see them
+ vector<Event_info> start_events_;
+ vector<Event_info> stop_events_;
+
+ typedef std::multimap<Stream_event *, Spanner *> Note_slurs;
+ Drul_array<Note_slurs> note_slurs_;
+ vector<Grob *> slurs_;
+ vector<Grob *> end_slurs_;
+ vector<Grob_info> objects_to_acknowledge_;
+
+ virtual SCM event_symbol () const;
+ virtual bool double_property () const;
+ virtual SCM grob_symbol () const;
+ virtual const char* object_name () const;
+
+ void acknowledge_inline_accidental (Grob_info);
+ void acknowledge_fingering (Grob_info);
+ void acknowledge_note_column (Grob_info);
+ void acknowledge_script (Grob_info);
+ void acknowledge_dots (Grob_info);
+ void acknowledge_text_script (Grob_info);
+ void acknowledge_end_tie (Grob_info);
+ void acknowledge_tuplet_number (Grob_info);
+
+ void listen_note (Stream_event *ev);
+ void listen_slur (Stream_event *ev, Stream_event *note);
+ // You'd think the following is the same as defaulting `note' to 0,
+ // but template resolution for trampolines disagrees. Huh.
+ void listen_slur (Stream_event *ev) { listen_slur (ev, 0); }
+ void acknowledge_extra_object (Grob_info);
+ void stop_translation_timestep ();
+ void process_music ();
+
+ bool can_create_slur (const string&, vsize, vsize *, Stream_event *);
+ void create_slur (const string &spanner_id, Event_info evi, Grob *g_cause, Direction dir, bool left_broken);
+ bool try_to_end (Event_info evi);
+
+ virtual void set_melisma (bool);
+ virtual void finalize ();
+ virtual void derived_mark () const;
+
+public:
+ TRANSLATOR_DECLARATIONS (Slur_engraver);
+};
+
+#endif // SLUR_ENGRAVER_HH
+++ /dev/null
-/*
- This file is part of LilyPond, the GNU music typesetter.
-
- Copyright (C) 2013--2015 Mike Solomon <mike@mikesolomon.org>
-
- LilyPond is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- LilyPond is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef SLUR_PROTO_ENGRAVER_HH
-#define SLUR_PROTO_ENGRAVER_HH
-
-#include "engraver.hh"
-#include "moment.hh"
-#include <map>
-
-class Slur_proto_engraver : public Engraver
-{
-protected:
- struct Event_info {
- Stream_event *slur_, *note_;
- Event_info (Stream_event *slur, Stream_event *note)
- : slur_ (slur), note_ (note)
- { }
- };
- // protected so that subclasses can see them
- vector<Event_info> start_events_;
- vector<Event_info> stop_events_;
-
- typedef std::multimap<Stream_event *, Spanner *> Note_slurs;
- Drul_array<Note_slurs> note_slurs_;
- vector<Grob *> slurs_;
- vector<Grob *> end_slurs_;
- vector<Grob_info> objects_to_acknowledge_;
-
- virtual SCM event_symbol () const = 0;
- virtual bool double_property () const = 0;
- virtual SCM grob_symbol () const = 0;
- virtual const char* object_name () const = 0;
-
- void acknowledge_inline_accidental (Grob_info);
- void acknowledge_fingering (Grob_info);
- void acknowledge_note_column (Grob_info);
- void acknowledge_script (Grob_info);
- void acknowledge_dots (Grob_info);
- void acknowledge_text_script (Grob_info);
- void acknowledge_end_tie (Grob_info);
- void acknowledge_tuplet_number (Grob_info);
-
- void listen_note (Stream_event *ev);
- void listen_slur (Stream_event *ev, Stream_event *note);
- // You'd think the following is the same as defaulting `note' to 0,
- // but template resolution for trampolines disagrees. Huh.
- void listen_slur (Stream_event *ev) { listen_slur (ev, 0); }
- void acknowledge_extra_object (Grob_info);
- void stop_translation_timestep ();
- void process_music ();
-
- bool can_create_slur (const string&, vsize, vsize *, Stream_event *);
- void create_slur (const string &spanner_id, Event_info evi, Grob *g_cause, Direction dir, bool left_broken);
- bool try_to_end (Event_info evi);
-
- virtual void set_melisma (bool);
- virtual void finalize ();
- virtual void derived_mark () const;
-
-public:
- // no TRANSLATOR_DECLARATIONS (Slur_proto_engraver) needed since this
- // class is abstract
- DECLARE_TRANSLATOR_CALLBACKS (Slur_proto_engraver);
-};
-
-#endif // SLUR_PROTO_ENGRAVER_HH
along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "slur-proto-engraver.hh"
+#include "slur-engraver.hh"
#include "translator.icc"
-class Phrasing_slur_engraver : public Slur_proto_engraver
+class Phrasing_slur_engraver : public Slur_engraver
{
virtual SCM event_symbol () const;
virtual bool double_property () const;
virtual SCM grob_symbol () const;
virtual const char* object_name () const;
+ virtual void set_melisma (bool);
protected:
void listen_phrasing_slur (Stream_event *);
public:
TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
- TRANSLATOR_INHERIT (Slur_proto_engraver);
+ TRANSLATOR_INHERIT (Slur_engraver);
};
SCM
{
}
+void
+Phrasing_slur_engraver::set_melisma (bool)
+{
+}
+
void
Phrasing_slur_engraver::listen_phrasing_slur (Stream_event *ev)
{
- Slur_proto_engraver::listen_slur (ev);
+ Slur_engraver::listen_slur (ev);
}
void
*/
#include "context.hh"
-#include "slur-proto-engraver.hh"
+#include "directional-element-interface.hh"
+#include "international.hh"
+#include "note-column.hh"
+#include "pointer-group-interface.hh"
+#include "slur-engraver.hh"
+#include "slur.hh"
+#include "spanner.hh"
+#include "warn.hh"
#include "translator.icc"
-class Slur_engraver : public Slur_proto_engraver
-{
- virtual SCM event_symbol () const;
- virtual bool double_property () const;
- virtual SCM grob_symbol () const;
- virtual const char * object_name () const;
- virtual void set_melisma (bool);
-
-public:
- TRANSLATOR_DECLARATIONS (Slur_engraver);
- TRANSLATOR_INHERIT (Slur_proto_engraver);
-};
-
SCM
Slur_engraver::event_symbol () const
{
/* write */
""
);
+
+void
+Slur_engraver::derived_mark () const
+{
+ for (vsize i = start_events_.size (); i--;)
+ {
+ scm_gc_mark (start_events_[i].slur_->self_scm ());
+ if (start_events_[i].note_)
+ scm_gc_mark (start_events_[i].note_->self_scm ());
+ }
+ for (vsize i = stop_events_.size (); i--;)
+ {
+ scm_gc_mark (stop_events_[i].slur_->self_scm ());
+ if (stop_events_[i].note_)
+ scm_gc_mark (stop_events_[i].note_->self_scm ());
+ }
+}
+
+void
+Slur_engraver::listen_slur (Stream_event *ev, Stream_event *note)
+{
+ Direction d = to_dir (ev->get_property ("span-direction"));
+ if (d == START)
+ start_events_.push_back (Event_info (ev, note));
+ else if (d == STOP)
+ stop_events_.push_back (Event_info (ev, note));
+ else ev->origin ()->warning (_f ("direction of %s invalid: %d",
+ ev->name ().c_str (),
+ int (d)));
+}
+
+void
+Slur_engraver::listen_note (Stream_event *ev)
+{
+ for (SCM arts = ev->get_property ("articulations");
+ scm_is_pair (arts); arts = scm_cdr (arts))
+ {
+ Stream_event *art = unsmob<Stream_event> (scm_car (arts));
+ if (art->in_event_class (event_symbol ()))
+ listen_slur (art, ev);
+ }
+}
+
+void
+Slur_engraver::acknowledge_note_column (Grob_info info)
+{
+ 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);
+ // Now cater for slurs starting/ending at a notehead: those override
+ // the column bounds
+ if (note_slurs_[START].empty () && note_slurs_[STOP].empty ())
+ return;
+ extract_grob_set (e, "note-heads", heads);
+ for (vsize i = heads.size (); i--;)
+ {
+ if (Stream_event *ev =
+ unsmob<Stream_event> (heads[i]->get_property ("cause")))
+ for (LEFT_and_RIGHT (d))
+ {
+ std::pair<Note_slurs::const_iterator, Note_slurs::const_iterator> its
+ = note_slurs_[d].equal_range (ev);
+ for (Note_slurs::const_iterator it = its.first;
+ it != its.second;
+ ++it)
+ it->second->set_bound (d, heads[i]);
+ }
+ }
+}
+
+void
+Slur_engraver::acknowledge_extra_object (Grob_info info)
+{
+ objects_to_acknowledge_.push_back (info);
+}
+
+void
+Slur_engraver::acknowledge_inline_accidental (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Slur_engraver::acknowledge_dots (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Slur_engraver::acknowledge_fingering (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Slur_engraver::acknowledge_tuplet_number (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Slur_engraver::acknowledge_script (Grob_info info)
+{
+ if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
+ acknowledge_extra_object (info);
+}
+
+void
+Slur_engraver::acknowledge_text_script (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Slur_engraver::acknowledge_end_tie (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
+void
+Slur_engraver::finalize ()
+{
+ for (vsize i = 0; i < slurs_.size (); i++)
+ {
+ slurs_[i]->warning (_f ("unterminated %s", object_name ()));
+ slurs_[i]->suicide ();
+ }
+ slurs_.clear ();
+}
+
+void
+Slur_engraver::create_slur (const string &spanner_id, Event_info evi, Grob *g_cause, Direction dir, bool left_broken)
+{
+ Grob *ccc = left_broken
+ ? unsmob<Grob> (get_property ("currentCommandColumn"))
+ : 0; // efficiency
+ SCM cause = evi.slur_ ? evi.slur_->self_scm () : g_cause->self_scm ();
+ Spanner *slur = make_spanner (grob_symbol (), cause);
+ slur->set_property ("spanner-id", ly_string2scm (spanner_id));
+ if (dir)
+ set_grob_direction (slur, dir);
+ if (left_broken)
+ slur->set_bound (LEFT, ccc);
+ slurs_.push_back (slur);
+ if (evi.note_)
+ note_slurs_[START].insert (Note_slurs::value_type (evi.note_, slur));
+
+ if (double_property ())
+ {
+ set_grob_direction (slur, DOWN);
+ slur = make_spanner (grob_symbol (), cause);
+ slur->set_property ("spanner-id", ly_string2scm (spanner_id));
+ set_grob_direction (slur, UP);
+ if (left_broken)
+ slur->set_bound (LEFT, ccc);
+ slurs_.push_back (slur);
+ if (evi.note_)
+ note_slurs_[START].insert(Note_slurs::value_type (evi.note_, slur));
+ }
+
+}
+
+bool
+Slur_engraver::can_create_slur (const string &id, vsize old_slurs, vsize *event_idx, Stream_event *ev)
+{
+ for (vsize j = slurs_.size (); j--;)
+ {
+ Grob *slur = slurs_[j];
+ Direction updown = to_dir (ev->get_property ("direction"));
+
+ // Check if we already have a slur with the same spanner-id.
+ if (id == robust_scm2string (slur->get_property ("spanner-id"), ""))
+ {
+ if (j < old_slurs)
+ {
+ // We already have an old slur, so give a warning
+ // and completely ignore the new slur.
+ ev->origin ()->warning (_f ("already have %s", object_name ()));
+ if (event_idx)
+ start_events_.erase (start_events_.begin () + (*event_idx));
+ return false;
+ }
+
+ // If this slur event has no direction, it will not
+ // contribute anything new to the existing slur(s), so
+ // we can ignore it.
+
+ if (!updown)
+ return false;
+
+ Stream_event *c = unsmob<Stream_event> (slur->get_property ("cause"));
+
+ if (!c)
+ {
+ slur->programming_error (_f ("%s without a cause", object_name ()));
+ return true;
+ }
+
+ Direction slur_dir = to_dir (c->get_property ("direction"));
+
+ // If the existing slur does not have a direction yet,
+ // we'd rather take the new one.
+
+ if (!slur_dir)
+ {
+ slur->suicide ();
+ slurs_.erase (slurs_.begin () + j);
+ return true;
+ }
+
+ // If the existing slur has the same direction as ours, drop ours
+
+ if (slur_dir == updown)
+ return false;
+ }
+ }
+ return true;
+}
+
+bool
+Slur_engraver::try_to_end (Event_info evi)
+{
+ string id = robust_scm2string (evi.slur_->get_property ("spanner-id"), "");
+
+ // Find the slurs that are ended with this event (by checking the spanner-id)
+ bool ended = false;
+ for (vsize j = slurs_.size (); j--;)
+ {
+ if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
+ {
+ ended = true;
+ end_slurs_.push_back (slurs_[j]);
+ if (evi.note_)
+ note_slurs_[STOP].insert
+ (Note_slurs::value_type
+ (evi.note_, dynamic_cast <Spanner *> (slurs_[j])));
+ slurs_.erase (slurs_.begin () + j);
+ }
+ }
+ return ended;
+}
+
+void
+Slur_engraver::process_music ()
+{
+ for (vsize i = 0; i < stop_events_.size (); i++)
+ {
+ string id = robust_scm2string
+ (stop_events_[i].slur_->get_property ("spanner-id"), "");
+ bool ended = try_to_end (stop_events_[i]);
+ if (ended)
+ {
+ // Ignore redundant stop events for this id
+ for (vsize j = stop_events_.size (); --j > i;)
+ {
+ if (id == robust_scm2string
+ (stop_events_[j].slur_->get_property ("spanner-id"), ""))
+ stop_events_.erase (stop_events_.begin () + j);
+ }
+ }
+ else
+ stop_events_[i].slur_->origin ()->warning (_f ("cannot end %s", object_name ()));
+ }
+
+ vsize old_slurs = slurs_.size ();
+ for (vsize i = start_events_.size (); i--;)
+ {
+ Stream_event *ev = start_events_[i].slur_;
+ string id = robust_scm2string (ev->get_property ("spanner-id"), "");
+ Direction updown = to_dir (ev->get_property ("direction"));
+
+ if (can_create_slur (id, old_slurs, &i, ev))
+ create_slur (id, start_events_[i], 0, updown, false);
+ }
+
+ set_melisma (slurs_.size ());
+}
+
+void
+Slur_engraver::stop_translation_timestep ()
+{
+ if (Grob *g = unsmob<Grob> (get_property ("currentCommandColumn")))
+ {
+ for (vsize i = 0; i < end_slurs_.size (); i++)
+ Slur::add_extra_encompass (end_slurs_[i], g);
+
+ if (!start_events_.size ())
+ for (vsize i = 0; i < slurs_.size (); i++)
+ Slur::add_extra_encompass (slurs_[i], g);
+ }
+
+ for (vsize i = 0; i < end_slurs_.size (); i++)
+ {
+ Spanner *s = dynamic_cast<Spanner *> (end_slurs_[i]);
+ if (!s->get_bound (RIGHT))
+ s->set_bound (RIGHT, unsmob<Grob> (get_property ("currentMusicalColumn")));
+ announce_end_grob (s, SCM_EOL);
+ }
+
+ for (vsize i = 0; i < objects_to_acknowledge_.size (); i++)
+ Slur::auxiliary_acknowledge_extra_object (objects_to_acknowledge_[i], slurs_, end_slurs_);
+
+ note_slurs_[LEFT].clear ();
+ note_slurs_[RIGHT].clear ();
+ objects_to_acknowledge_.clear ();
+ end_slurs_.clear ();
+ start_events_.clear ();
+ stop_events_.clear ();
+}
+++ /dev/null
-/*
- This file is part of LilyPond, the GNU music typesetter.
-
- Copyright (C) 2013--2015 Mike Solomon <mike@mikesolomon.org>
-
- LilyPond is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- LilyPond is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "engraver.hh"
-
-#include "context.hh"
-#include "directional-element-interface.hh"
-#include "international.hh"
-#include "note-column.hh"
-#include "pointer-group-interface.hh"
-#include "slur.hh"
-#include "slur-proto-engraver.hh"
-#include "spanner.hh"
-#include "stream-event.hh"
-#include "warn.hh"
-
-#include "translator.icc"
-
-void
-Slur_proto_engraver::derived_mark () const
-{
- for (vsize i = start_events_.size (); i--;)
- {
- scm_gc_mark (start_events_[i].slur_->self_scm ());
- if (start_events_[i].note_)
- scm_gc_mark (start_events_[i].note_->self_scm ());
- }
- for (vsize i = stop_events_.size (); i--;)
- {
- scm_gc_mark (stop_events_[i].slur_->self_scm ());
- if (stop_events_[i].note_)
- scm_gc_mark (stop_events_[i].note_->self_scm ());
- }
-}
-
-void
-Slur_proto_engraver::listen_slur (Stream_event *ev, Stream_event *note)
-{
- Direction d = to_dir (ev->get_property ("span-direction"));
- if (d == START)
- start_events_.push_back (Event_info (ev, note));
- else if (d == STOP)
- stop_events_.push_back (Event_info (ev, note));
- else ev->origin ()->warning (_f ("direction of %s invalid: %d",
- ev->name ().c_str (),
- int (d)));
-}
-
-void
-Slur_proto_engraver::listen_note (Stream_event *ev)
-{
- for (SCM arts = ev->get_property ("articulations");
- scm_is_pair (arts); arts = scm_cdr (arts))
- {
- Stream_event *art = unsmob<Stream_event> (scm_car (arts));
- if (art->in_event_class (event_symbol ()))
- listen_slur (art, ev);
- }
-}
-
-void
-Slur_proto_engraver::acknowledge_note_column (Grob_info info)
-{
- 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);
- // Now cater for slurs starting/ending at a notehead: those override
- // the column bounds
- if (note_slurs_[START].empty () && note_slurs_[STOP].empty ())
- return;
- extract_grob_set (e, "note-heads", heads);
- for (vsize i = heads.size (); i--;)
- {
- if (Stream_event *ev =
- unsmob<Stream_event> (heads[i]->get_property ("cause")))
- for (LEFT_and_RIGHT (d))
- {
- std::pair<Note_slurs::const_iterator, Note_slurs::const_iterator> its
- = note_slurs_[d].equal_range (ev);
- for (Note_slurs::const_iterator it = its.first;
- it != its.second;
- ++it)
- it->second->set_bound (d, heads[i]);
- }
- }
-}
-
-void
-Slur_proto_engraver::acknowledge_extra_object (Grob_info info)
-{
- objects_to_acknowledge_.push_back (info);
-}
-
-void
-Slur_proto_engraver::acknowledge_inline_accidental (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Slur_proto_engraver::acknowledge_dots (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Slur_proto_engraver::acknowledge_fingering (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Slur_proto_engraver::acknowledge_tuplet_number (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Slur_proto_engraver::acknowledge_script (Grob_info info)
-{
- if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
- acknowledge_extra_object (info);
-}
-
-void
-Slur_proto_engraver::acknowledge_text_script (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Slur_proto_engraver::acknowledge_end_tie (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Slur_proto_engraver::finalize ()
-{
- for (vsize i = 0; i < slurs_.size (); i++)
- {
- slurs_[i]->warning (_f ("unterminated %s", object_name ()));
- slurs_[i]->suicide ();
- }
- slurs_.clear ();
-}
-
-void
-Slur_proto_engraver::create_slur (const string &spanner_id, Event_info evi, Grob *g_cause, Direction dir, bool left_broken)
-{
- Grob *ccc = left_broken
- ? unsmob<Grob> (get_property ("currentCommandColumn"))
- : 0; // efficiency
- SCM cause = evi.slur_ ? evi.slur_->self_scm () : g_cause->self_scm ();
- Spanner *slur = make_spanner (grob_symbol (), cause);
- slur->set_property ("spanner-id", ly_string2scm (spanner_id));
- if (dir)
- set_grob_direction (slur, dir);
- if (left_broken)
- slur->set_bound (LEFT, ccc);
- slurs_.push_back (slur);
- if (evi.note_)
- note_slurs_[START].insert (Note_slurs::value_type (evi.note_, slur));
-
- if (double_property ())
- {
- set_grob_direction (slur, DOWN);
- slur = make_spanner (grob_symbol (), cause);
- slur->set_property ("spanner-id", ly_string2scm (spanner_id));
- set_grob_direction (slur, UP);
- if (left_broken)
- slur->set_bound (LEFT, ccc);
- slurs_.push_back (slur);
- if (evi.note_)
- note_slurs_[START].insert(Note_slurs::value_type (evi.note_, slur));
- }
-
-}
-
-bool
-Slur_proto_engraver::can_create_slur (const string &id, vsize old_slurs, vsize *event_idx, Stream_event *ev)
-{
- for (vsize j = slurs_.size (); j--;)
- {
- Grob *slur = slurs_[j];
- Direction updown = to_dir (ev->get_property ("direction"));
-
- // Check if we already have a slur with the same spanner-id.
- if (id == robust_scm2string (slur->get_property ("spanner-id"), ""))
- {
- if (j < old_slurs)
- {
- // We already have an old slur, so give a warning
- // and completely ignore the new slur.
- ev->origin ()->warning (_f ("already have %s", object_name ()));
- if (event_idx)
- start_events_.erase (start_events_.begin () + (*event_idx));
- return false;
- }
-
- // If this slur event has no direction, it will not
- // contribute anything new to the existing slur(s), so
- // we can ignore it.
-
- if (!updown)
- return false;
-
- Stream_event *c = unsmob<Stream_event> (slur->get_property ("cause"));
-
- if (!c)
- {
- slur->programming_error (_f ("%s without a cause", object_name ()));
- return true;
- }
-
- Direction slur_dir = to_dir (c->get_property ("direction"));
-
- // If the existing slur does not have a direction yet,
- // we'd rather take the new one.
-
- if (!slur_dir)
- {
- slur->suicide ();
- slurs_.erase (slurs_.begin () + j);
- return true;
- }
-
- // If the existing slur has the same direction as ours, drop ours
-
- if (slur_dir == updown)
- return false;
- }
- }
- return true;
-}
-
-bool
-Slur_proto_engraver::try_to_end (Event_info evi)
-{
- string id = robust_scm2string (evi.slur_->get_property ("spanner-id"), "");
-
- // Find the slurs that are ended with this event (by checking the spanner-id)
- bool ended = false;
- for (vsize j = slurs_.size (); j--;)
- {
- if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
- {
- ended = true;
- end_slurs_.push_back (slurs_[j]);
- if (evi.note_)
- note_slurs_[STOP].insert
- (Note_slurs::value_type
- (evi.note_, dynamic_cast <Spanner *> (slurs_[j])));
- slurs_.erase (slurs_.begin () + j);
- }
- }
- return ended;
-}
-
-void
-Slur_proto_engraver::process_music ()
-{
- for (vsize i = 0; i < stop_events_.size (); i++)
- {
- string id = robust_scm2string
- (stop_events_[i].slur_->get_property ("spanner-id"), "");
- bool ended = try_to_end (stop_events_[i]);
- if (ended)
- {
- // Ignore redundant stop events for this id
- for (vsize j = stop_events_.size (); --j > i;)
- {
- if (id == robust_scm2string
- (stop_events_[j].slur_->get_property ("spanner-id"), ""))
- stop_events_.erase (stop_events_.begin () + j);
- }
- }
- else
- stop_events_[i].slur_->origin ()->warning (_f ("cannot end %s", object_name ()));
- }
-
- vsize old_slurs = slurs_.size ();
- for (vsize i = start_events_.size (); i--;)
- {
- Stream_event *ev = start_events_[i].slur_;
- string id = robust_scm2string (ev->get_property ("spanner-id"), "");
- Direction updown = to_dir (ev->get_property ("direction"));
-
- if (can_create_slur (id, old_slurs, &i, ev))
- create_slur (id, start_events_[i], 0, updown, false);
- }
-
- set_melisma (slurs_.size ());
-}
-
-void
-Slur_proto_engraver::set_melisma (bool)
-{
-}
-
-void
-Slur_proto_engraver::stop_translation_timestep ()
-{
- if (Grob *g = unsmob<Grob> (get_property ("currentCommandColumn")))
- {
- for (vsize i = 0; i < end_slurs_.size (); i++)
- Slur::add_extra_encompass (end_slurs_[i], g);
-
- if (!start_events_.size ())
- for (vsize i = 0; i < slurs_.size (); i++)
- Slur::add_extra_encompass (slurs_[i], g);
- }
-
- for (vsize i = 0; i < end_slurs_.size (); i++)
- {
- Spanner *s = dynamic_cast<Spanner *> (end_slurs_[i]);
- if (!s->get_bound (RIGHT))
- s->set_bound (RIGHT, unsmob<Grob> (get_property ("currentMusicalColumn")));
- announce_end_grob (s, SCM_EOL);
- }
-
- for (vsize i = 0; i < objects_to_acknowledge_.size (); i++)
- Slur::auxiliary_acknowledge_extra_object (objects_to_acknowledge_[i], slurs_, end_slurs_);
-
- note_slurs_[LEFT].clear ();
- note_slurs_[RIGHT].clear ();
- objects_to_acknowledge_.clear ();
- end_slurs_.clear ();
- start_events_.clear ();
- stop_events_.clear ();
-}
-
-// no ADD_ACKNOWLEDGER / ADD_TRANSLATOR macro calls
-// since this class is abstract
projects / lilypond.git / commitdiff