]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/horizontal-bracket-engraver.cc
Run grand-replace (issue 3765)
[lilypond.git] / lily / horizontal-bracket-engraver.cc
index 0148204f9c7953f884ae3beb41db888e5c5fd9a0..fdf3669e75ccadb8dadc341031971e760cdc0e9a 100644 (file)
 /*
-  horizontal-bracket-engraver.cc -- implement
-  Horizontal_bracket_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2002--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2002--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  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 "side-position-interface.hh"
+#include "international.hh"
+#include "item.hh"
 #include "note-column.hh"
 #include "pointer-group-interface.hh"
+#include "side-position-interface.hh"
+#include "spanner.hh"
+#include "stream-event.hh"
+
+#include "translator.icc"
 
 class Horizontal_bracket_engraver : public Engraver
 {
 public:
   TRANSLATOR_DECLARATIONS (Horizontal_bracket_engraver);
-  Link_array<Spanner> bracket_stack_;
-  Link_array<Music> events_;
-  int pop_count_;
-  int push_count_;
-
-  virtual bool try_music (Music *);
-  PRECOMPUTED_VIRTUAL void stop_translation_timestep ();
-  PRECOMPUTED_VIRTUAL void process_music ();
-  DECLARE_ACKNOWLEDGER(note_column);
+  vector<Spanner *> bracket_stack_;
+  vector<Stream_event *> events_;
+  vsize pop_count_;
+  vsize push_count_;
+
+  void stop_translation_timestep ();
+  void process_music ();
+  DECLARE_ACKNOWLEDGER (note_column);
+  DECLARE_TRANSLATOR_LISTENER (note_grouping);
 };
 
-#include "translator.icc"
-ADD_ACKNOWLEDGER(Horizontal_bracket_engraver,note_column);
-ADD_TRANSLATOR (Horizontal_bracket_engraver,
-               "Create horizontal brackets over notes for musical analysis purposes.",
-               "HorizontalBracket",
-               "note-grouping-event",
-               "",
-               "",
-               "");
-
 Horizontal_bracket_engraver::Horizontal_bracket_engraver ()
 {
   pop_count_ = 0;
   push_count_ = 0;
 }
 
-bool
-Horizontal_bracket_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Horizontal_bracket_engraver, note_grouping);
+void
+Horizontal_bracket_engraver::listen_note_grouping (Stream_event *ev)
 {
-  if (m->is_mus_type ("note-grouping-event"))
+  Direction d = to_dir (ev->get_property ("span-direction"));
+
+  if (d == STOP)
+    {
+      pop_count_++;
+      if (pop_count_ > bracket_stack_.size ())
+        ev->origin ()->warning (_ ("do not have that many brackets"));
+    }
+  else
     {
-      Direction d = to_dir (m->get_property ("span-direction"));
-
-      if (d == STOP)
-       {
-         pop_count_++;
-         if (pop_count_ > bracket_stack_.size ())
-           m->origin ()->warning (_ ("don't have that many brackets"));
-       }
-      else
-       {
-         push_count_++;
-         events_.push (m);
-       }
-
-      if (pop_count_ && push_count_)
-       m->origin ()->warning (_ ("conflicting note group events"));
-
-      return true;
+      push_count_++;
+      events_.push_back (ev);
     }
-  return false;
+
+  if (pop_count_ && push_count_)
+    ev->origin ()->warning (_ ("conflicting note group events"));
 }
 
 void
 Horizontal_bracket_engraver::acknowledge_note_column (Grob_info gi)
 {
-  for (int i = 0; i < bracket_stack_.size (); i++)
+  for (vsize i = 0; i < bracket_stack_.size (); i++)
     {
       Side_position_interface::add_support (bracket_stack_[i], gi.grob ());
       Pointer_group_interface::add_grob (bracket_stack_[i],
-                                        ly_symbol2scm ("columns"), gi.grob ());
+                                         ly_symbol2scm ("columns"), gi.grob ());
       add_bound_item (bracket_stack_[i],
-                     gi.grob ());
+                      gi.grob ());
     }
 }
 
 void
 Horizontal_bracket_engraver::process_music ()
 {
-  for (int k = 0; k < push_count_; k++)
+  for (vsize k = 0; k < push_count_; k++)
     {
       Spanner *sp = make_spanner ("HorizontalBracket", events_[k]->self_scm ());
 
-      for (int i = 0; i < bracket_stack_.size (); i++)
-       {
-         /*
-           sp is the smallest, it should be added to the bigger brackets.
-         */
-         Side_position_interface::add_support (bracket_stack_[i], sp);
-       }
-      bracket_stack_.push (sp);
+      for (vsize i = 0; i < bracket_stack_.size (); i++)
+        /* sp is the smallest, it should be added to the bigger brackets.  */
+        Side_position_interface::add_support (bracket_stack_[i], sp);
+      bracket_stack_.push_back (sp);
     }
 }
 
 void
 Horizontal_bracket_engraver::stop_translation_timestep ()
 {
-  for (int i = pop_count_; i--;)
-    {
-      if (bracket_stack_.size ())
-       bracket_stack_.pop ();
-    }
+  for (vsize i = pop_count_; i--;)
+    if (bracket_stack_.size ())
+      bracket_stack_.pop_back ();
   pop_count_ = 0;
   push_count_ = 0;
+  events_.clear ();
 }
 
+ADD_ACKNOWLEDGER (Horizontal_bracket_engraver, note_column);
+ADD_TRANSLATOR (Horizontal_bracket_engraver,
+                /* doc */
+                "Create horizontal brackets over notes for musical analysis"
+                " purposes.",
+
+                /* create */
+                "HorizontalBracket ",
+
+                /* read */
+                "",
+
+                /* write */
+                ""
+               );