1 /*
2 This file is part of LilyPond, the GNU music typesetter.
3
4 Copyright (C) 1999--2020 Han-Wen Nienhuys <hanwen@xs4all.nl>
5
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
10
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "engraver.hh"
21 #include "context.hh"
22 #include "item.hh"
23 #include "lily-imports.hh"
24 #include "pitch.hh"
25 #include "stream-event.hh"
26 #include "text-interface.hh"
27
28 #include "translator.icc"
29
30 using std::string;
31 using std::vector;
32
33 class Note_name_engraver : public Engraver
34 {
35 public:
36 TRANSLATOR_DECLARATIONS (Note_name_engraver);
37
38 vector<Stream_event *> events_;
39 void listen_note (Stream_event *);
40 void process_music ();
41 void stop_translation_timestep ();
42 };
43
44 void
listen_note(Stream_event * ev)45 Note_name_engraver::listen_note (Stream_event *ev)
46 {
47 events_.push_back (ev);
48 }
49
50 void
process_music()51 Note_name_engraver::process_music ()
52 {
53 SCM markup_list = SCM_EOL;
54
55 for (vsize i = 0; i < events_.size (); i++)
56 {
57 SCM pitch = get_property (events_[i], "pitch");
58 SCM proc = get_property (this, "noteNameFunction");
59 SCM sep = get_property (this, "noteNameSeparator");
60
61 if (i)
62 markup_list = scm_append (scm_list_2 (scm_list_1 (Text_interface::is_markup (sep) ? sep : ly_string2scm (" ")),
63 markup_list));
64
65 if (ly_is_procedure (proc))
66 {
67 SCM pitch_name = scm_call_2 (proc, pitch, context ()->self_scm ());
68 markup_list = scm_append (scm_list_2 (scm_list_1 (pitch_name), markup_list));
69 }
70 else
71 programming_error ("No translation function defined as noteNameFunction.");
72 }
73 if (!scm_is_null (markup_list))
74 {
75 Item *n = make_item ("NoteName", events_[0]->self_scm ());
76 SCM text = Lily::make_concat_markup (scm_reverse (markup_list));
77 set_property (n, "text", text);
78 }
79 }
80
81 void
stop_translation_timestep()82 Note_name_engraver::stop_translation_timestep ()
83 {
84 events_.clear ();
85 }
86
Note_name_engraver(Context * c)87 Note_name_engraver::Note_name_engraver (Context *c)
88 : Engraver (c)
89 {
90 }
91
92 void
boot()93 Note_name_engraver::boot ()
94 {
95 ADD_LISTENER (Note_name_engraver, note);
96 }
97
98 ADD_TRANSLATOR (Note_name_engraver,
99 /* doc */
100 "Print pitches as words.",
101
102 /* create */
103 "NoteName ",
104
105 /* read */
106 "noteNameFunction "
107 "noteNameSeparator "
108 "printAccidentalNames "
109 "printNotesLanguage "
110 "printOctaveNames ",
111
112 /* write */
113 ""
114 );
115