source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-output-def.hh"
#include "scm-hash.hh"
#include "translator-def.hh"
#include "main.hh"
+#include "music.hh"
Translator_group::Translator_group (Translator_group const&s)
: Translator (s)
Translator_group::~Translator_group ()
{
- //assert (removable_b ());
+ //assert (is_removable ());
}
Translator_group *trg = dynamic_cast<Translator_group*> (unsmob_translator (ly_car (p)));
trg->check_removal ();
- if (trg->removable_b ())
+ if (trg->is_removable ())
terminate_translator (trg);
}
}
bool
-Translator_group::removable_b () const
+Translator_group::is_removable () const
{
return trans_group_list_ == SCM_EOL && ! iterator_count_;
}
Translator_group *
-Translator_group::find_existing_translator (String n, String id)
+Translator_group::find_existing_translator (SCM n, String id)
{
- if ((is_alias_b (n) && (id_string_ == id || id.empty_b ())) || n == "Current")
+ if ((is_alias (n) && (id_string_ == id || id.is_empty ())) || n == ly_symbol2scm ("Current"))
return this;
Translator_group* r = 0;
}
-
-
Translator_group*
-Translator_group::find_create_translator (String n, String id)
+Translator_group::find_create_translator (SCM n, String id)
{
Translator_group * existing = find_existing_translator (n,id);
if (existing)
return existing;
Link_array<Translator_def> path
- = unsmob_translator_def (definition_)->path_to_acceptable_translator (ly_str02scm ((char*)n.to_str0 ()), get_output_def ());
+ = unsmob_translator_def (definition_)->path_to_acceptable_translator (n, get_output_def ());
if (path.size ())
{
ret = daddy_trans_->find_create_translator (n,id);
else
{
- warning (_f ("can't find or create `%s' called `%s'", n, id));
+ warning (_f ("can't find or create `%s' called `%s'", ly_symbol2string (n).to_str0 (), id));
ret =0;
}
return ret;
}
-bool
-Translator_group::try_music_on_nongroup_children (Music *m)
-{
- bool hebbes_b =false;
-
- for (SCM p = simple_trans_list_; !hebbes_b && gh_pair_p (p); p = ly_cdr (p))
- {
- hebbes_b = unsmob_translator (ly_car (p))->try_music (m);
- }
- return hebbes_b;
-}
-
bool
Translator_group::try_music (Music* m)
{
if (!hebbes_b && daddy_trans_)
hebbes_b = daddy_trans_->try_music (m);
+
return hebbes_b ;
}
void
Translator_group::terminate_translator (Translator*r)
{
- r->removal_processing ();
+ r->finalize ();
/*
Return value ignored. GC does the rest.
*/
bool
Translator_group::is_bottom_translator_b () const
{
- return !gh_string_p (unsmob_translator_def (definition_)->default_child_context_name ());
-
+ return !gh_symbol_p (unsmob_translator_def (definition_)->default_child_context_name ());
}
Translator_group*
entry from a translator property list by name of PROP
*/
void
-Translator_group::execute_single_pushpop_property (SCM prop, SCM eltprop, SCM val)
+Translator_group::execute_pushpop_property (SCM prop, SCM eltprop, SCM val)
{
if (gh_symbol_p (prop))
{
{
SCM prev = internal_get_property (prop);
+ /*
+ TODO: should have scm_equal_something () for reverting
+ autobeam properties.
+ */
SCM newprops= SCM_EOL ;
- while (gh_pair_p (prev) && ly_caar (prev) != eltprop)
+ while (gh_pair_p (prev) && !SCM_EQ_P(ly_caar (prev), eltprop))
{
newprops = gh_cons (ly_car (prev), newprops);
prev = ly_cdr (prev);
-
-
/*
STUBS
*/
void
Translator_group::initialize ()
{
+ SCM tab = scm_make_vector (gh_int2scm (19), SCM_BOOL_F);
+ set_property ("acceptHashTable", tab);
each (&Translator::initialize);
}
void
Translator_group::finalize ()
{
- each (&Translator::removal_processing);
+ each (&Translator::finalize);
}
-LY_DEFINE(ly_get_context_property,
- "ly-get-context-property", 2, 0, 0,
- (SCM context, SCM name),
- "retrieve the value of @var{sym} from context @var{tr}")
+
+
+bool translator_accepts_any_of (Translator*tr, SCM ifaces)
{
- Translator *t = unsmob_translator (context);
- Translator_group* tr= dynamic_cast<Translator_group*> (t);
- SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Translator group");
- SCM_ASSERT_TYPE(gh_symbol_p (name), name, SCM_ARG2, __FUNCTION__, "symbol");
+ SCM ack_ifs = scm_assoc (ly_symbol2scm ("events-accepted"),
+ tr->translator_description());
+ ack_ifs = gh_cdr (ack_ifs);
+ for (SCM s = ifaces; ly_pair_p (s); s = ly_cdr (s))
+ if (scm_memq (ly_car (s), ack_ifs) != SCM_BOOL_F)
+ return true;
+ return false;
+}
- return tr->internal_get_property (name);
-
+SCM
+find_accept_translators (SCM gravlist, SCM ifaces)
+{
+ SCM l = SCM_EOL;
+ for (SCM s = gravlist; ly_pair_p (s); s = ly_cdr (s))
+ {
+ Translator* tr = unsmob_translator (ly_car (s));
+ if (translator_accepts_any_of (tr, ifaces))
+ l = scm_cons (tr->self_scm (), l);
+ }
+ l = scm_reverse_x (l, SCM_EOL);
+
+ return l;
}
-LY_DEFINE(ly_set_context_property,
- "ly-set-context-property", 3, 0, 0,
- (SCM context, SCM name, SCM val),
- "set value of property @var{sym} in context @var{tr} to @var{val}.
-")
+bool
+Translator_group::try_music_on_nongroup_children (Music *m )
{
- Translator *t = unsmob_translator (context);
- Translator_group* tr= dynamic_cast<Translator_group*> (t);
+ SCM tab = get_property ("acceptHashTable");
+ SCM name = scm_sloppy_assq (ly_symbol2scm ("name"),
+ m->get_property_alist (false));
- SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context");
- tr->internal_set_property (name, val);
+ if (!gh_pair_p (name))
+ return false;
- return SCM_UNSPECIFIED;
+ name = gh_cdr (name);
+ SCM accept_list = scm_hashq_ref (tab, name, SCM_UNDEFINED);
+ if (accept_list == SCM_BOOL_F)
+ {
+ accept_list = find_accept_translators (simple_trans_list_,
+ m->get_mus_property ("types"));
+ scm_hashq_set_x (tab, name, accept_list);
+ }
+
+ for (SCM p = accept_list; gh_pair_p (p); p = ly_cdr (p))
+ {
+ Translator * t = unsmob_translator (ly_car (p));
+ if (t && t->try_music (m))
+ return true;
+ }
+ return false;
+}
+
+SCM
+Translator_group::properties_as_alist () const
+{
+ return properties_dict()->to_alist();
+}
+
+String
+Translator_group::context_name () const
+{
+ Translator_def * td = unsmob_translator_def (definition_ );
+ return ly_symbol2string (td->type_name_);
}
projects / lilypond.git / blobdiff