source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>,
+ Erik Sandberg <mandolaerik@gmail.com>
*/
#include "translator-group.hh"
-#include "output-def.hh"
-#include "warn.hh"
-#include "scm-hash.hh"
#include "context-def.hh"
#include "context.hh"
+#include "dispatcher.hh"
+#include "international.hh"
#include "main.hh"
#include "music.hh"
-
+#include "output-def.hh"
+#include "scm-hash.hh"
+#include "stream-event.hh"
+#include "warn.hh"
Translator_group *
Translator_group::get_daddy_translator () const
Translator_group::initialize ()
{
precompute_method_bindings ();
+}
- SCM tab = scm_make_vector (scm_int2num (19), SCM_BOOL_F);
- context ()->set_property ("acceptHashTable", tab);
+void
+Translator_group::connect_to_context (Context *c)
+{
+ if (context_)
+ programming_error ("already connected to a context");
+ context_ = c;
+ c->event_source ()->add_listener (GET_LISTENER (eat_event), ly_symbol2scm ("MusicEvent"));
}
void
return l;
}
+IMPLEMENT_LISTENER (Translator_group, eat_event);
+void
+Translator_group::eat_event (SCM sev)
+{
+ Stream_event *ev = unsmob_stream_event (sev);
+ SCM sm = ev->get_property ("music");
+ Music *m = unsmob_music (sm);
+ try_music (m);
+}
+
bool
Translator_group::try_music (Music *m)
{
- SCM tab = context ()->get_property ("acceptHashTable");
SCM name = scm_sloppy_assq (ly_symbol2scm ("name"),
m->get_property_alist (false));
return false;
name = scm_cdr (name);
- SCM accept_list = scm_hashq_ref (tab, name, SCM_UNDEFINED);
+ SCM accept_list = scm_hashq_ref (accept_hash_table_, name, SCM_UNDEFINED);
if (accept_list == SCM_BOOL_F)
{
accept_list = find_accept_translators (get_simple_trans_list (),
m->get_property ("types"));
- scm_hashq_set_x (tab, name, accept_list);
+ scm_hashq_set_x (accept_hash_table_, name, accept_list);
}
for (SCM p = accept_list; scm_is_pair (p); p = scm_cdr (p))
if (t && t->try_music (m))
return true;
}
+
+ // We couldn't swallow the event in this context. Try parent.
+ Context *p = context ()->get_parent_context ();
+ // Global context's translator group is a dummy, so don't try it.
+ if (p->get_parent_context())
+ // ES todo: Make Translators listeners directly instead.
+ return p->implementation ()->try_music (m);
+ else
+ // We have tried all possible contexts. Give up.
+ m->origin ()->warning (_f ("junking event: `%s'", m->name ()));
return false;
}
return simple_trans_list_;
}
-
void
precomputed_recurse_over_translators (Context *c, Translator_precompute_index idx, Direction dir)
{
Translator_group *tg
= dynamic_cast<Translator_group *> (c->implementation ());
-
+
if (dir == DOWN)
{
tg->precomputed_translator_foreach (idx);
for (SCM s = c->children_contexts (); scm_is_pair (s);
s = scm_cdr (s))
- {
- precomputed_recurse_over_translators (unsmob_context (scm_car (s)), idx, dir);
- }
+ precomputed_recurse_over_translators (unsmob_context (scm_car (s)), idx, dir);
if (dir == UP)
{
tg->precomputed_translator_foreach (idx);
tg->call_precomputed_self_method (idx);
}
-
}
void
{
Translator_group *tg
= dynamic_cast<Translator_group *> (c->implementation ());
-
+
if (dir == DOWN)
{
(tg->*tg_ptr) ();
for (SCM s = c->children_contexts (); scm_is_pair (s);
s = scm_cdr (s))
- {
- recurse_over_translators (unsmob_context (scm_car (s)), ptr, tg_ptr, dir);
- }
+ recurse_over_translators (unsmob_context (scm_car (s)), ptr, tg_ptr, dir);
if (dir == UP)
{
Translator_group::Translator_group ()
{
simple_trans_list_ = SCM_EOL;
+ accept_hash_table_ = SCM_EOL;
context_ = 0;
smobify_self ();
+
+ accept_hash_table_ = scm_c_make_hash_table (19);
}
void
{
}
-
void
Translator_group::precompute_method_bindings ()
{
for (int i = 0; i < TRANSLATOR_METHOD_PRECOMPUTE_COUNT; i++)
{
if (ptrs[i])
- {
- precomputed_method_bindings_[i].push (Translator_method_binding (tr, ptrs[i]));
- }
+ precomputed_method_bindings_[i].push_back (Translator_method_binding (tr, ptrs[i]));
}
}
void
Translator_group::precomputed_translator_foreach (Translator_precompute_index idx)
{
- Array<Translator_method_binding> &bindings(precomputed_method_bindings_[idx]);
- for (int i = 0; i < bindings.size (); i++)
- {
- bindings[i].invoke ();
- }
+ vector<Translator_method_binding> &bindings (precomputed_method_bindings_[idx]);
+ for (vsize i = 0; i < bindings.size (); i++)
+ bindings[i].invoke ();
}
void
Translator_group::call_precomputed_self_method (Translator_precompute_index idx)
{
if (precomputed_self_method_bindings_[idx])
- (*precomputed_self_method_bindings_[idx])(this);
+ (*precomputed_self_method_bindings_[idx]) (this);
}
-
Translator_group::~Translator_group ()
{
}
IMPLEMENT_DEFAULT_EQUAL_P (Translator_group);
IMPLEMENT_TYPE_P (Translator_group, "ly:translator-group?");
-
int
Translator_group::print_smob (SCM s, SCM port, scm_print_state *)
{
Translator_group *me = (Translator_group *) SCM_CELL_WORD_1 (s);
scm_puts ("#<Translator_group ", port);
- scm_puts (classname (me), port);
+ scm_puts (me->class_name (), port);
scm_display (me->simple_trans_list_, port);
scm_puts (" >", port);
return 1;
}
-
SCM
Translator_group::mark_smob (SCM smob)
{
- Translator_group *me = (Translator_group*)SCM_CELL_WORD_1 (smob);
+ Translator_group *me = (Translator_group *)SCM_CELL_WORD_1 (smob);
me->derived_mark ();
-
+ scm_gc_mark (me->accept_hash_table_);
return me->simple_trans_list_;
}
-