release: 1.3.6

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index 66ac05c5d8846e4f87a192fcc8573f88a0663cfd..515a85af9bbba3ea26dabcee6468d4fd5d9474f6 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -1,22 +1,190 @@
 /*
-  Translator.cc -- implement Translator
+  translator.cc -- implement Translator
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
+
 #include "translator.hh"
-Translator::Translator()
+#include "debug.hh"
+#include "translator-group.hh"
+
+#include "moment.hh"
+
+char const*
+Translator::name() const
+{
+  return classname(this);
+}
+
+Translator::~Translator ()
+{
+}
+
+Translator::Translator ()
+{
+  status = ORPHAN;
+  daddy_trans_l_ = 0;
+  output_def_l_ = 0;
+}
+
+Translator::Translator (Translator const &s)
+  : Input (s)
+{
+  status = ORPHAN;
+  daddy_trans_l_ =0;
+  output_def_l_ = s.output_def_l_;
+  type_str_ = s.type_str_;
+}
+
+bool
+Translator::is_alias_b (String s) const
+{
+  return s == type_str_;
+}
+
+bool
+Translator::do_try_music (Music *)
+{
+  return false;
+}
+                           
+
+Moment
+Translator::now_mom () const
+{
+  return daddy_trans_l_->now_mom ();
+}
+
+
+void
+Translator::add_processing ()
+{
+  if (status > ORPHAN)
+    return;
+  
+  do_add_processing ();
+  status = VIRGIN;
+}
+
+void
+Translator::do_add_processing ()
+{
+}
+
+void
+Translator::print () const
+{
+#ifndef NPRINT
+  DEBUG_OUT << classname (this) << " {";
+  if (classname (this) != type_str_)
+    DEBUG_OUT << "type = " << type_str_;
+  do_print ();
+  DEBUG_OUT << "}\n";
+#endif
+}
+
+void
+Translator::do_print () const
+{
+}
+
+
+
+
+void
+Translator::creation_processing ()
+{
+  if (status >= CREATION_INITED)
+    return ;
+  
+  do_creation_processing ();
+  status = CREATION_INITED;
+}
+
+void
+Translator::post_move_processing ()
+{
+  if (status >= MOVE_INITED)
+    return;
+
+  creation_processing ();
+  do_post_move_processing ();
+  status = MOVE_INITED;
+}
+
+void
+Translator::removal_processing ()
 {
-    iterator_count_  = 0;
+  if (status == ORPHAN)
+    return;
+  creation_processing ();
+  do_removal_processing ();
+  // elegancy ...
+  // status = ORPHAN;
 }
 
-IMPLEMENT_STATIC_NAME(Translator);
-IMPLEMENT_IS_TYPE_B(Translator);
 
 bool
-Translator::try_request(Request*)
+Translator::try_music (Music * r)
+{
+  if (status < MOVE_INITED)
+    post_move_processing ();
+
+  return do_try_music (r);
+}
+
+void
+Translator::process_requests ()
 {
-    return false;
+  if (status < PROCESSED_REQS)
+    post_move_processing ();
+  else if (status >= PROCESSED_REQS)
+    return; 
+  
+  status = PROCESSED_REQS;
+  do_process_requests ();
 }
+
+void
+Translator::pre_move_processing ()
+{
+  do_pre_move_processing ();
+  status = CREATION_INITED;
+}
+
+
+
+Music_output_def *
+Translator::output_def_l () const
+{
+  return output_def_l_;
+}
+
+SCM
+Translator::get_property (String id, Translator_group **where_l) const
+{
+  return daddy_trans_l_->get_property (ly_symbol2scm (id.ch_C()), where_l);
+}
+
+SCM
+Translator::get_property (SCM sym,
+                         Translator_group **where_l) const
+{
+  return daddy_trans_l_->get_property (sym, where_l);
+}
+
+
+
+void
+Translator:: do_pre_move_processing(){}
+void
+Translator::do_post_move_processing(){}
+void
+Translator::do_process_requests () {}
+void
+Translator::do_creation_processing() {}
+void
+Translator::do_removal_processing(){}