2 music-output-def.cc -- implement Music_output_def
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "dictionary.hh"
13 #include "music-output-def.hh"
14 #include "global-translator.hh"
15 #include "translator-def.hh"
17 #include "file-path.hh"
18 #include "lily-guile.hh"
19 #include "ly-modules.hh"
21 #include "ly-smobs.icc"
24 Music_output_def::get_next_score_count () const
29 Music_output_def::Music_output_def ()
31 style_sheet_ = SCM_EOL;
32 scaled_fonts_ = SCM_EOL;
34 translator_tab_ = new Scheme_hash_table;
38 scm_gc_unprotect_object (translator_tab_->self_scm ());
40 scope_ = ly_make_anonymous_module();
43 Music_output_def::~Music_output_def ()
47 Music_output_def::Music_output_def (Music_output_def const &s)
50 translator_tab_ = new Scheme_hash_table (*s.translator_tab_);
52 style_sheet_ = SCM_EOL;
53 scaled_fonts_ = SCM_EOL;
56 scm_gc_unprotect_object (translator_tab_->self_scm ());
58 style_sheet_ = scm_list_copy (s.style_sheet_);
59 scaled_fonts_ = scm_list_copy (s.scaled_fonts_);
61 scope_= ly_make_anonymous_module ();
62 if (ly_module_p (s.scope_))
63 ly_copy_module_variables (scope_, s.scope_);
67 IMPLEMENT_SMOBS (Music_output_def);
68 IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
71 Music_output_def::mark_smob (SCM m)
73 Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
74 scm_gc_mark (mo->style_sheet_);
75 scm_gc_mark (mo->translator_tab_->self_scm ());
76 scm_gc_mark (mo->scope_);
78 return mo->scaled_fonts_;
82 Music_output_def::assign_translator (SCM transdef)
84 Translator_def *tp = unsmob_translator_def (transdef);
88 SCM s = ly_symbol2scm ("");
89 if (gh_string_p (tp->type_name_))
90 s = scm_string_to_symbol (tp->type_name_);
92 translator_tab_->set (s, transdef);
96 find the translator for NAME. NAME may be a string or a symbol.
99 Music_output_def::find_translator (SCM name) const
101 if (gh_string_p (name))
102 name = scm_string_to_symbol (name);
105 translator_tab_->try_retrieve (name, &val);
111 Music_output_def::get_global_translator ()
113 SCM key = ly_symbol2scm ("Score");
114 Translator_def * t = unsmob_translator_def (find_translator (key));
117 error (_f ("can't find `%s' context", "Score"));
119 Translator_group * tg = t->instantiate (this);
123 return dynamic_cast <Global_translator *> (tg);
127 Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
129 Music_output_def * def = unsmob_music_output_def (s);
130 scm_puts ("#<Music_output_def ", p);
132 scm_write (def->type_name_, p);
141 ugh: should move into Music_output_def (complication: .midi and .tex
142 need separate counts.) */
144 Music_output_def::outname_string ()
146 String out = output_name_global;
147 int def = get_next_score_count ();
148 if (def && out != "-")
150 Path p = split_path (out);
151 p.base += "-" + to_string (def);
160 Music_output_def::get_scmvar (String s) const
162 return lookup_variable (ly_symbol2scm (s.to_str0 ()));
167 Music_output_def::set_variable (SCM sym, SCM val)
169 scm_module_define (scope_, sym, val);
173 Music_output_def::lookup_variable (SCM sym) const
175 SCM var = ly_module_lookup (scope_, sym);
177 return scm_variable_ref (var);