* ly/engraver-init.ly: use Hara kiri by default for

[lilypond.git] / lily / music-output-def.cc

diff --git a/lily/music-output-def.cc b/lily/music-output-def.cc
index 5de256a365b1d2b07287e65952e899c4b0ab025d..082270c0b66a2ee8df732b65dda1e6b7d69a6ca7 100644 (file)
--- a/lily/music-output-def.cc
+++ b/lily/music-output-def.cc
@@ -3,10 +3,170 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
+#include "scm-hash.hh"
+
+#include "dictionary.hh"
+#include "warn.hh"
 #include "music-output-def.hh"
+#include "global-translator.hh"
+#include "translator-def.hh"
+#include "main.hh"
+#include "file-path.hh"
+#include "lily-guile.hh"
+#include "ly-modules.hh"
+
+#include "ly-smobs.icc"
+
+int
+Music_output_def::get_next_score_count () const
+{
+  return 0;
+}
+
+Music_output_def::Music_output_def ()
+{
+  scaled_fonts_ = SCM_EOL;
+  translator_tab_ = new Scheme_hash_table;
+  scope_ = SCM_EOL;
+  smobify_self ();
+  scm_gc_unprotect_object (translator_tab_->self_scm ());
+
+  scope_ =   ly_make_anonymous_module();
+}
+
+Music_output_def::~Music_output_def ()
+{
+}
+
+Music_output_def::Music_output_def (Music_output_def const &s)
+{
+  scope_ = SCM_EOL;
+  translator_tab_ = new Scheme_hash_table (*s.translator_tab_);
+
+  scaled_fonts_ = SCM_EOL;
+
+  smobify_self ();
+  scm_gc_unprotect_object (translator_tab_->self_scm ());  
+  
+  scaled_fonts_ = scm_list_copy (s.scaled_fonts_);  
+
+  scope_= ly_make_anonymous_module ();
+  if (ly_module_p (s.scope_))
+    ly_copy_module_variables (scope_, s.scope_);
+}
+
+
+IMPLEMENT_SMOBS (Music_output_def);
+IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
+
+SCM
+Music_output_def::mark_smob (SCM m)
+{
+  Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
+  scm_gc_mark (mo->translator_tab_->self_scm ());
+  scm_gc_mark (mo->scope_);
+
+  return mo->scaled_fonts_;
+}
+
+void
+Music_output_def::assign_translator (SCM transdef)
+{
+  Translator_def *tp = unsmob_translator_def (transdef);
+  assert (tp);
+
+  
+  SCM s = ly_symbol2scm ("");
+  if (gh_string_p (tp->type_name_))
+    s = scm_string_to_symbol (tp->type_name_);
+
+  translator_tab_->set (s, transdef);
+}
+
+/*
+  find the translator for NAME. NAME may be a string or a symbol.
+ */
+SCM
+Music_output_def::find_translator (SCM name) const
+{  
+  if (gh_string_p (name))
+    name = scm_string_to_symbol (name);
+  
+  SCM val  =SCM_EOL;
+  translator_tab_->try_retrieve (name, &val);
+  return val;
+}
+
+
+Global_translator *
+Music_output_def::get_global_translator () 
+{
+  SCM key = ly_symbol2scm ("Score");
+  Translator_def * t = unsmob_translator_def (find_translator (key));
+
+  if (!t)
+    error (_f ("can't find `%s' context", "Score"));
+
+  Translator_group * tg = t->instantiate (this);
+  
+  tg->initialize ();
+  
+  return dynamic_cast <Global_translator *> (tg);
+}
+
+int
+Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
+{
+  Music_output_def * def = unsmob_music_output_def (s);
+  scm_puts ("#<Music_output_def ", p);
+#if 0  
+  scm_write (def->type_name_, p);
+#else  
+  (void) def;
+#endif  
+  scm_puts (">", p);
+  return 1;
+}
+
+/*
+  ugh: should move into Music_output_def (complication: .midi and .tex
+  need separate counts.)  */
+String
+Music_output_def::outname_string () 
+{
+  String out = output_name_global;
+  int def = get_next_score_count ();
+  if (def && out != "-")
+    {
+      Path p = split_path (out);
+      p.base += "-" + to_string (def);
+      out = p.to_string ();
+    }
+  return out;
+}
+
+
+
+SCM
+Music_output_def::get_scmvar (String s) const
+{
+  return lookup_variable (ly_symbol2scm (s.to_str0 ()));
+}
+
+
+void
+Music_output_def::set_variable (SCM sym, SCM val)
+{
+  scm_module_define (scope_, sym, val);
+}
 
-IMPLEMENT_IS_TYPE_B(Music_output_def);
+SCM
+Music_output_def::lookup_variable (SCM sym) const
+{
+  SCM var = ly_module_lookup (scope_, sym);
 
+  return scm_variable_ref (var);
+}