X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fproperty-iterator.cc;h=f067a6628212b29ec6d2d9350676fb7483adbd03;hb=b696bba38675d4b9ba88cc64e3111d3dec0fc506;hp=2f44683094ea11879b913924501860c4d61dc6b9;hpb=03311c038c913d96eb7ed0a896e2c7d8f4815e17;p=lilypond.git diff --git a/lily/property-iterator.cc b/lily/property-iterator.cc index 2f44683094..f067a66282 100644 --- a/lily/property-iterator.cc +++ b/lily/property-iterator.cc @@ -3,46 +3,167 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2000 Han-Wen Nienhuys + (c) 1997--2007 Han-Wen Nienhuys */ #include "property-iterator.hh" -#include "translation-property.hh" -#include "translator-def.hh" -#include "translator-group.hh" + +#include "context-def.hh" +#include "global-context.hh" +#include "international.hh" +#include "music.hh" + +bool check_grob (Music *mus, SCM sym); /** - There is no real processing to a property: just lookup the - translation unit, and set the property. - */ + There is no real processing to a property: just lookup the + translation unit, and set the property. +*/ void -Property_iterator::do_process_and_next (Moment m) +Property_iterator::process (Moment m) { - SCM sym = music_l_->get_mus_property ("symbol"); - if (gh_symbol_p(sym)) - report_to_l ()->set_property (sym, music_l_->get_mus_property ("value")); - Music_iterator::do_process_and_next (m); + send_stream_event (get_outlet (), "SetProperty", get_music ()->origin (), + ly_symbol2scm ("symbol"), get_music ()->get_property ("symbol"), + ly_symbol2scm ("value"), get_music ()->get_property ("value")); + + Simple_music_iterator::process (m); } +void +Property_unset_iterator::process (Moment m) +{ + SCM sym = get_music ()->get_property ("symbol"); + send_stream_event (get_outlet (), "UnsetProperty", get_music ()->origin (), + ly_symbol2scm ("symbol"), sym); + + Simple_music_iterator::process (m); +} + +MAKE_SCHEME_CALLBACK (Property_iterator, once_finalization, 2); +SCM +Property_iterator::once_finalization (SCM ctx, SCM music) +{ + Music *m = unsmob_music (music); + Context *c = unsmob_context (ctx); + + send_stream_event (c, "UnsetProperty", m->origin (), + ly_symbol2scm ("symbol"), m->get_property ("symbol")); + return SCM_UNSPECIFIED; +} void -Push_property_iterator::do_process_and_next (Moment m) +Property_iterator::do_quit () { - SCM syms = music_l_->get_mus_property ("symbols"); - SCM eprop = music_l_->get_mus_property ("element-property"); - SCM val = music_l_->get_mus_property ("element-value"); + if (to_boolean (get_music ()->get_property ("once"))) + { + SCM trans = get_outlet ()->self_scm (); + SCM music = get_music ()->self_scm (); - Translator_def::apply_pushpop_property (report_to_l (), syms, eprop, val); - - Music_iterator::do_process_and_next (m); + Global_context *tg = get_outlet ()->get_global_context (); + tg->add_finalization (scm_list_n (once_finalization_proc, + trans, music, SCM_UNDEFINED)); + } +} + +bool +check_grob (Music *mus, SCM sym) +{ + bool g = to_boolean (scm_object_property (sym, ly_symbol2scm ("is-grob?"))); + + if (!g) + mus->origin ()->warning (_f ("not a grob name, `%s'", + ly_symbol2string (sym))); + + return g; +} + +SCM +get_property_path (Music *m) +{ + SCM grob_property_path = m->get_property ("grob-property-path"); + + SCM eprop = m->get_property ("grob-property"); + if (scm_is_symbol (eprop)) + { + grob_property_path = scm_list_1 (eprop); + } + + return grob_property_path; } void -Pop_property_iterator::do_process_and_next (Moment m) +Push_property_iterator::process (Moment m) { - SCM syms = music_l_->get_mus_property ("symbols"); - SCM eprop = music_l_->get_mus_property ("element-property"); - Translator_def::apply_pushpop_property (report_to_l (), syms, eprop, SCM_UNDEFINED); - - Music_iterator::do_process_and_next (m); + SCM sym = get_music ()->get_property ("symbol"); + if (check_grob (get_music (), sym)) + { + SCM grob_property_path = get_property_path (get_music ()); + SCM val = get_music ()->get_property ("grob-value"); + + if (to_boolean (get_music ()->get_property ("pop-first")) + && !to_boolean (get_music ()->get_property ("once"))) + send_stream_event (get_outlet (), "Revert", get_music ()->origin (), + ly_symbol2scm ("symbol"), sym, + ly_symbol2scm ("property-path"), grob_property_path); + + send_stream_event (get_outlet (), "Override", get_music ()->origin (), + ly_symbol2scm ("symbol"), sym, + ly_symbol2scm ("property-path"), grob_property_path, + ly_symbol2scm ("value"), val); + } + Simple_music_iterator::process (m); } + +MAKE_SCHEME_CALLBACK (Push_property_iterator, once_finalization, 2); +SCM +Push_property_iterator::once_finalization (SCM ctx, SCM music) +{ + Music *mus = unsmob_music (music); + Context *c = unsmob_context (ctx); + + SCM sym = mus->get_property ("symbol"); + if (check_grob (mus, sym)) + { + SCM grob_property_path = get_property_path (mus); + + send_stream_event (c, "Revert", mus->origin (), + ly_symbol2scm ("symbol"), sym, + ly_symbol2scm ("property-path"), grob_property_path); + } + return SCM_UNSPECIFIED; +} + +void +Push_property_iterator::do_quit () +{ + if (to_boolean (get_music ()->get_property ("once"))) + { + SCM trans = get_outlet ()->self_scm (); + SCM music = get_music ()->self_scm (); + + Global_context *tg = get_outlet ()->get_global_context (); + tg->add_finalization (scm_list_n (once_finalization_proc, + trans, music, SCM_UNDEFINED)); + } +} + +void +Pop_property_iterator::process (Moment m) +{ + SCM sym = get_music ()->get_property ("symbol"); + + if (check_grob (get_music (), sym)) + { + SCM grob_property_path = get_property_path (get_music ()); + + send_stream_event (get_outlet (), "Revert", get_music ()->origin (), + ly_symbol2scm ("symbol"), sym, + ly_symbol2scm ("property-path"), grob_property_path); + } + Simple_music_iterator::process (m); +} + +IMPLEMENT_CTOR_CALLBACK (Pop_property_iterator); +IMPLEMENT_CTOR_CALLBACK (Push_property_iterator); +IMPLEMENT_CTOR_CALLBACK (Property_iterator); +IMPLEMENT_CTOR_CALLBACK (Property_unset_iterator);