X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fproperty-iterator.cc;h=4725406323e46efceef64fb788543788009c6c76;hb=5d84bfad4626892bcffd05adcced53c8a2329047;hp=480b506858d7fe62b885c1cf14861351a42ec91c;hpb=a6ee9dcd388111e842064a8d46ab06c4897a00d2;p=lilypond.git diff --git a/lily/property-iterator.cc b/lily/property-iterator.cc index 480b506858..4725406323 100644 --- a/lily/property-iterator.cc +++ b/lily/property-iterator.cc @@ -1,101 +1,130 @@ /* - property-iterator.cc -- implement Property_iterator + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2015 Han-Wen Nienhuys - (c) 1997--2002 Han-Wen Nienhuys + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #include "property-iterator.hh" -#include "music.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); +bool check_grob (Music *mus, SCM sym); /** There is no real processing to a property: just lookup the translation unit, and set the property. */ void -Property_iterator::process (Moment m) +Property_iterator::process (Moment mom) { - SCM sym = get_music ()->get_mus_property ("symbol"); - if (gh_symbol_p (sym)) - { - SCM val = get_music ()->get_mus_property ("value"); - bool ok= true; - if (val != SCM_EOL) - ok = type_check_assignment (sym, val, ly_symbol2scm ("translation-type?")); - if (ok) - report_to ()->internal_set_property (sym, val); - } - Simple_music_iterator::process (m); + Context *o = get_outlet (); + Music *m = get_music (); + + send_stream_event (o, "SetProperty", m->origin (), + ly_symbol2scm ("symbol"), m->get_property ("symbol"), + ly_symbol2scm ("value"), m->get_property ("value"), + ly_symbol2scm ("once"), m->get_property ("once")); + + Simple_music_iterator::process (mom); } void -Property_unset_iterator::process (Moment m) +Property_unset_iterator::process (Moment mom) { - SCM sym = get_music ()->get_mus_property ("symbol"); - type_check_assignment (sym, SCM_EOL, ly_symbol2scm ("translation-type?")); - report_to ()->unset_property (sym); + Context *o = get_outlet (); + Music *m = get_music (); - Simple_music_iterator::process (m); + send_stream_event (o, "UnsetProperty", m->origin (), + ly_symbol2scm ("symbol"), m->get_property ("symbol"), + ly_symbol2scm ("once"), m->get_property ("once")); + + Simple_music_iterator::process (mom); } +bool +check_grob (Music *mus, SCM sym) +{ + bool g = to_boolean (scm_object_property (sym, ly_symbol2scm ("is-grob?"))); -SCM list_p = 0; + if (!g) + mus->origin ()->warning (_f ("not a grob name, `%s'", + ly_symbol2string (sym))); -bool -check_grob(Music *mus, SCM sym) + return g; +} + +SCM +get_property_path (Music *m) { - if (!list_p) - { - list_p = gh_eval_str ("list?"); - } - - - SCM type = scm_object_property (sym, ly_symbol2scm ("translation-type?")); - bool ok = type == list_p; + SCM grob_property_path = m->get_property ("grob-property-path"); - if (!ok) + SCM eprop = m->get_property ("grob-property"); + if (scm_is_symbol (eprop)) { - mus->origin()->warning (_f("Not a grob name, `%s'." , ly_symbol2string (sym))); + grob_property_path = scm_list_1 (eprop); } - return ok; + + return grob_property_path; } void Push_property_iterator::process (Moment m) { - SCM sym = get_music ()->get_mus_property ("symbol"); + SCM sym = get_music ()->get_property ("symbol"); if (check_grob (get_music (), sym)) { - SCM eprop = get_music ()->get_mus_property ("grob-property"); - SCM val = get_music ()->get_mus_property ("grob-value"); - - if (to_boolean (get_music ()->get_mus_property ("pop-first"))) - Translator_def::apply_pushpop_property (report_to (), - sym, eprop, SCM_UNDEFINED); - - Translator_def::apply_pushpop_property (report_to (), sym, eprop, val); + SCM grob_property_path = get_property_path (get_music ()); + SCM val = get_music ()->get_property ("grob-value"); + SCM once = get_music ()->get_property ("once"); + + if (to_boolean (get_music ()->get_property ("pop-first")) + && !to_boolean (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 ("once"), once, + ly_symbol2scm ("value"), val); } Simple_music_iterator::process (m); } void -Pop_property_iterator::process (Moment m) +Pop_property_iterator::process (Moment mom) { - SCM sym = get_music ()->get_mus_property ("symbol"); - if (check_grob (get_music (), sym)) + Music *m = get_music (); + SCM sym = m->get_property ("symbol"); + + if (check_grob (m, sym)) { - SCM eprop = get_music ()->get_mus_property ("grob-property"); - Translator_def::apply_pushpop_property (report_to (), sym, eprop, SCM_UNDEFINED); - } - Simple_music_iterator::process (m); -} + SCM grob_property_path = get_property_path (m); + send_stream_event (get_outlet (), "Revert", m->origin (), + ly_symbol2scm ("symbol"), sym, + ly_symbol2scm ("once"), m->get_property ("once"), + ly_symbol2scm ("property-path"), grob_property_path); + } + Simple_music_iterator::process (mom); +} IMPLEMENT_CTOR_CALLBACK (Pop_property_iterator); IMPLEMENT_CTOR_CALLBACK (Push_property_iterator);