2 music-output-def.cc -- implement Music_output_def
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
12 #include "music-output-def.hh"
13 #include "global-translator.hh"
14 #include "translator-def.hh"
16 #include "file-path.hh"
17 #include "lily-guile.hh"
18 #include "ly-modules.hh"
20 #include "ly-smobs.icc"
23 Music_output_def::get_next_score_count () const
28 Music_output_def::Music_output_def ()
30 scaled_fonts_ = SCM_EOL;
31 translator_tab_ = new Scheme_hash_table;
34 scm_gc_unprotect_object (translator_tab_->self_scm ());
36 scope_ = ly_make_anonymous_module();
39 Music_output_def::~Music_output_def ()
43 Music_output_def::Music_output_def (Music_output_def const &s)
46 translator_tab_ = new Scheme_hash_table (*s.translator_tab_);
48 scaled_fonts_ = SCM_EOL;
51 scm_gc_unprotect_object (translator_tab_->self_scm ());
53 scaled_fonts_ = scm_list_copy (s.scaled_fonts_);
55 scope_= ly_make_anonymous_module ();
56 if (ly_module_p (s.scope_))
57 ly_copy_module_variables (scope_, s.scope_);
61 IMPLEMENT_SMOBS (Music_output_def);
62 IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
65 Music_output_def::mark_smob (SCM m)
67 Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
68 scm_gc_mark (mo->translator_tab_->self_scm ());
69 scm_gc_mark (mo->scope_);
71 return mo->scaled_fonts_;
75 Music_output_def::assign_translator (SCM transdef)
77 Translator_def *tp = unsmob_translator_def (transdef);
80 translator_tab_->set (tp->type_name_, transdef);
84 find the translator for NAME. NAME must be a symbol.
87 Music_output_def::find_translator (SCM name) const
90 translator_tab_->try_retrieve (name, &val);
96 Music_output_def::get_global_translator ()
98 SCM key = ly_symbol2scm ("Score");
99 Translator_def * t = unsmob_translator_def (find_translator (key));
102 error (_f ("can't find `%s' context", "Score"));
104 Translator_group * tg = t->instantiate (this);
108 return dynamic_cast <Global_translator *> (tg);
112 Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
114 Music_output_def * def = unsmob_music_output_def (s);
115 scm_puts ("#<Music_output_def ", p);
122 ugh: should move into Music_output_def (complication: .midi and .tex
123 need separate counts.) */
125 Music_output_def::outname_string ()
127 String out = output_name_global;
128 int def = get_next_score_count ();
129 if (def && out != "-")
131 Path p = split_path (out);
132 p.base += "-" + to_string (def);
133 out = p.to_string ();
141 Music_output_def::get_scmvar (String s) const
143 return lookup_variable (ly_symbol2scm (s.to_str0 ()));
148 Music_output_def::set_variable (SCM sym, SCM val)
150 scm_module_define (scope_, sym, val);
154 Music_output_def::lookup_variable (SCM sym) const
156 SCM var = ly_module_lookup (scope_, sym);
158 return scm_variable_ref (var);
162 LY_DEFINE(ly_paper_lookup,
166 "Lookup @var{sym} in @var{pap}. Return the value "
167 " or '() if undefined. "
170 Music_output_def *op = unsmob_music_output_def (pap);
171 SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Paper");
172 SCM_ASSERT_TYPE (gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
174 SCM v = op->lookup_variable (sym);
176 if (SCM_VARIABLEP(v))
177 return SCM_VARIABLE_REF(v);