release: 1.1.18

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index b902387529c5c0bd43db60d284304f3a3e580967..1629bf5e560ba481ce9cc9a21d71ae9cd826ab0d 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -1,30 +1,186 @@
 /*
-  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--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
+
 #include "translator.hh"
+#include "debug.hh"
+#include "translator-group.hh"
+#include "dictionary-iter.hh"
+#include "rational.hh"
 
-Translator::Translator()
+Translator::~Translator ()
 {
-  iterator_count_  = 0;
 }
 
+Translator::Translator ()
+{
+  status = ORPHAN;
+  daddy_trans_l_ = 0;
+  output_def_l_ = 0;
+}
 
-IMPLEMENT_IS_TYPE_B(Translator);
+Translator::Translator (Translator const &s)
+  : Input (s)
+{
+  status = ORPHAN;
+  daddy_trans_l_ =0;
+  output_def_l_ = s.output_def_l_;
+  properties_dict_ = s.properties_dict_;
+  type_str_ = s.type_str_;
+}
+
+bool
+Translator::is_alias_b (String s) const
+{
+  return s == type_str_;
+}
 
 bool
-Translator::try_request (Request*)
+Translator::do_try_music (Music *)
 {
   return false;
 }
+                           
 
+Moment
+Translator::now_moment () const
+{
+  return daddy_trans_l_->now_moment ();
+}
+
+
+void
+Translator::add_processing ()
+{
+  if (status > ORPHAN)
+    return;
+  
+  do_add_processing ();
+  status = VIRGIN;
+}
 
 void
-Translator::print()const
+Translator::do_add_processing ()
 {
+}
 
+void
+Translator::print () const
+{
+#ifndef NPRINT
+  DOUT << classname (this) << " {";
+  if (classname (this) != type_str_)
+    DOUT << "type = " << type_str_;
+  for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
+    {
+      DOUT << i.key () << "=" << i.val () << '\n';
+    }
+  do_print ();
+  DOUT << "}\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 ()
+{
+  if (status == ORPHAN)
+    return;
+  creation_processing ();
+  do_removal_processing ();
+  // elegancy ...
+  // status = ORPHAN;
+}
+
+
+bool
+Translator::try_music (Music * r)
+{
+  if (status < MOVE_INITED)
+    post_move_processing ();
+
+  return do_try_music (r);
+}
+
+void
+Translator::process_requests ()
+{
+  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;
+}
+
+Scalar
+Translator::get_property (String id, Translator const **where_l) const
+{
+  if (properties_dict_.elem_b (id))
+    {
+      if (where_l)
+       *where_l = this;
+      return properties_dict_[id];
+    }
+  
+  if (daddy_trans_l_)
+    return daddy_trans_l_->get_property (id, where_l);
+
+  if (where_l)
+    *where_l = 0;
+  return "";
+}
+
+void
+Translator::set_property (String id, Scalar val)
+{
+  properties_dict_[id] = val;
+}
+
+
+Music_output_def *
+Translator::output_def_l () const
+{
+  return output_def_l_;
 }