source file of the GNU LilyPond music typesetter
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "lily-guile.hh"
#include "engraver.hh"
-#include "protected-scm.hh"
#include "dictionary.hh"
-#include "score-element.hh"
+#include "grob.hh"
+#include "scm-hash.hh"
+#include "translator-group.hh"
+/*
+ JUNKME: should use pushproperty everywhere.
+
+ */
class Property_engraver : public Engraver
{
- Dictionary<Protected_scm> prop_dict_;
- void apply_properties (SCM, Score_element*);
+ /*
+ UGH. Junk Dictionary
+ */
+ Scheme_hash_table *prop_dict_; // junkme
+ void apply_properties (SCM, Grob*, Translator_group *origin);
protected:
- virtual void acknowledge_element (Score_element_info ei);
- virtual void do_creation_processing ();
-
- VIRTUAL_COPY_CONS(Translator);
+ virtual void acknowledge_grob (Grob_info ei);
+ virtual void initialize ();
+ virtual void finalize ();
+public:
+ ~Property_engraver ();
+ TRANSLATOR_DECLARATIONS(Property_engraver);
};
+
+
+Property_engraver::Property_engraver ()
+{
+ prop_dict_ = 0;
+}
+void
+Property_engraver::finalize ()
+{
+
+}
+
+Property_engraver::~Property_engraver ()
+{
+ if (prop_dict_)
+ scm_gc_unprotect_object (prop_dict_->self_scm ());
+}
+
void
-Property_engraver::do_creation_processing ()
+Property_engraver::initialize ()
{
- SCM plist = get_property ("Generic_property_list", 0);
- for (; SCM_NIMP (plist); plist = gh_cdr (plist))
+ prop_dict_ = new Scheme_hash_table;
+
+ SCM plist = get_property ("Generic_property_list");
+ for (; gh_pair_p (plist); plist = ly_cdr (plist))
{
- SCM elt_props = gh_car (plist);
- prop_dict_[ly_scm2string (gh_car (elt_props))] = gh_cdr (elt_props);
+ SCM elt_props = ly_car (plist);
+ prop_dict_->set (ly_car (elt_props), ly_cdr (elt_props));
}
}
void
-Property_engraver::acknowledge_element (Score_element_info i)
+Property_engraver::acknowledge_grob (Grob_info i)
{
- if (prop_dict_.elem_b (i.elem_l_->name()))
- {
- SCM p = prop_dict_[i.elem_l_->name()];
- apply_properties (p,i.elem_l_);
+ SCM ifs = i.grob_l_->get_grob_property ("interfaces");
+ SCM props;
+ for (; gh_pair_p (ifs); ifs = ly_cdr (ifs))
+ {
+ if (prop_dict_->try_retrieve (ly_car (ifs), &props))
+ {
+ apply_properties (props,i.grob_l_, i.origin_trans_l_->daddy_trans_l_);
+ }
}
- if (prop_dict_.elem_b ("all"))
+
+ if (prop_dict_->try_retrieve (ly_symbol2scm ("all"), &props))
{
- apply_properties (prop_dict_["all"], i.elem_l_);
+ apply_properties (props, i.grob_l_, i.origin_trans_l_->daddy_trans_l_);
}
}
+
void
-Property_engraver::apply_properties (SCM p, Score_element *e)
-{
- for (; SCM_NIMP (p); p = gh_cdr (p))
+Property_engraver::apply_properties (SCM p, Grob *e, Translator_group*origin)
+{
+ for (; gh_pair_p (p); p = ly_cdr (p))
{
- SCM entry = gh_car (p);
- SCM prop_sym = gh_car (entry);
- SCM type_p = gh_cadr (entry);
- SCM elt_prop_name = gh_caddr (entry);
+ /*
+ Try each property in order; earlier descriptions take
+ precedence over later ones, and we don't touch elt-properties if
+ they're already set.
+ */
+
+ SCM entry = ly_car (p);
+ SCM prop_sym = ly_car (entry);
+ SCM type_p = ly_cadr (entry);
+ SCM elt_prop_sym = ly_caddr (entry);
- if (e->get_elt_property (elt_prop_name) != SCM_BOOL_F)
+ SCM preset = scm_assq (elt_prop_sym, e->mutable_property_alist_);
+ if (preset != SCM_BOOL_F)
continue;
-
- SCM val = get_property (prop_sym, 0);
- if (val != SCM_UNDEFINED
- && gh_apply (type_p, scm_listify (val, SCM_UNDEFINED))
- == SCM_BOOL_T)
- e->set_elt_property (elt_prop_name, val);
+
+ SCM val = internal_get_property (prop_sym);
+
+ if (val == SCM_EOL)
+ ; // Not defined in context.
+ else if (gh_apply (type_p, scm_list_n (val, SCM_UNDEFINED))
+ == SCM_BOOL_T) // defined and right type: do it
+ {
+ e->internal_set_grob_property (elt_prop_sym, val);
+
+ SCM meta = e->get_grob_property ("meta");
+ SCM name = scm_assoc (ly_symbol2scm ("name"), meta);
+ warning (_f ("`%s' is deprecated. Use\n \\property %s.%s \\override #'%s = #%s",
+ ly_symbol2string (prop_sym).ch_C (),
+ origin->type_str_.ch_C (),
+ ly_scm2string (ly_cdr (name)).ch_C (),
+ ly_symbol2string (elt_prop_sym).ch_C (),
+ ly_scm2string (ly_write2scm (val)).ch_C ()));
+ }
+ else
+
+ /*
+ we don't print a warning if VAL == (), because we would
+ get lots of warnings when we restore stuff to default, eg.
+
+ slurDash = #1 [...] slurDash = ()
+
+ should not cause "type error: slurDash expects number not
+ boolean
+
+ */
+ if (val != SCM_EOL)
+ { // not the right type: error message.
+ SCM errport = scm_current_error_port ();
+ SCM typefunc = scm_primitive_eval (ly_symbol2scm ("type-name"));
+ SCM type_name = gh_call1 (typefunc, type_p);
+ warning (_f ("Wrong type for property: %s, type: %s, value found: %s, type: %s",
+ ly_symbol2string (prop_sym).ch_C (),
+ ly_scm2string (type_name).ch_C (),
+ ly_scm2string (ly_write2scm (val)).ch_C (),
+ ly_scm2string (ly_type (val)).ch_C ()));
+ scm_puts ("\n", errport);
+ }
}
}
-ADD_THIS_TRANSLATOR(Property_engraver);
+
+ENTER_DESCRIPTION(Property_engraver,
+/* descr */ "This is a engraver that converts property settings into
+back-end grob-property settings. Example: Voice.stemLength will set
+#'length in all Stem objects.
+
+Due to CPU and memory requirements, the use of this engraver is deprecated.",
+/* creats*/ "",
+/* acks */ "grob-interface",
+/* reads */ "Generic_property_list",
+/* write */ "");
projects / lilypond.git / blobdiff