X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frepeat-acknowledge-engraver.cc;h=3e3025556f88b31d9784a8c112db9a6bc1aca204;hb=87eedcd59f4082cb0841528ad5bc82cb1d1191e3;hp=a62d7a37d1d3fc300219854413915793717fc9eb;hpb=d9b43b93f2c885409bafdb157138158f65cc49aa;p=lilypond.git diff --git a/lily/repeat-acknowledge-engraver.cc b/lily/repeat-acknowledge-engraver.cc index a62d7a37d1..3e3025556f 100644 --- a/lily/repeat-acknowledge-engraver.cc +++ b/lily/repeat-acknowledge-engraver.cc @@ -1,47 +1,45 @@ -/* - repeat-acknowledge-engraver.cc -- implement Repeat_acknowledge_engraver - +/* + repeat-acknowledge-engraver.cc -- implement Repeat_acknowledge_engraver + source file of the GNU LilyPond music typesetter - - (c) 2000--2002 Han-Wen Nienhuys - - */ + + (c) 2000--2007 Han-Wen Nienhuys +*/ + #include "engraver.hh" #include "translator-group.hh" +#include "context.hh" #include "repeated-music.hh" +#include "translator.icc" /* Objective: -- set and reset repeatCommands, so Unfolded_repeat_iterator knows - where to set variables. + where to set variables. -- collect information passed by Unfolded_repeat_iterator for - Bar_engraver: writes whichBar property. (TODO: check for - interactions with timing engraver.) - - */ + Bar_engraver: writes whichBar property. (TODO: check for + interactions with timing engraver.) +*/ class Repeat_acknowledge_engraver : public Engraver { public: - TRANSLATOR_DECLARATIONS(Repeat_acknowledge_engraver); - virtual void start_translation_timestep (); - virtual void process_music (); + TRANSLATOR_DECLARATIONS (Repeat_acknowledge_engraver); +protected: + void start_translation_timestep (); + void process_music (); virtual void initialize (); - - bool first_b_; }; void Repeat_acknowledge_engraver::initialize () { - first_b_ = true; - daddy_trans_l_->set_property ("repeatCommands", SCM_EOL); + context ()->set_property ("repeatCommands", SCM_EOL); } - Repeat_acknowledge_engraver::Repeat_acknowledge_engraver () { } @@ -49,10 +47,10 @@ Repeat_acknowledge_engraver::Repeat_acknowledge_engraver () void Repeat_acknowledge_engraver::start_translation_timestep () { - first_b_ = true; - Translator_group * tr = daddy_trans_l_->where_defined (ly_symbol2scm ("repeatCommands")); + SCM rc; + Context *tr = context ()->where_defined (ly_symbol2scm ("repeatCommands"), &rc); if (!tr) - tr = daddy_trans_l_; + tr = context (); tr->set_property ("repeatCommands", SCM_EOL); } @@ -62,26 +60,26 @@ Repeat_acknowledge_engraver::process_music () { /* At the start of a piece, we don't print any repeat bars. - */ - if (now_mom () == Moment (0)) - return ; - + */ + if (!now_mom ().main_part_) + return; + SCM cs = get_property ("repeatCommands"); - - String s = ""; + + string s = ""; bool start = false; bool end = false; bool volta_found = false; - while (gh_pair_p (cs)) + while (scm_is_pair (cs)) { - SCM command = ly_car (cs); + SCM command = scm_car (cs); if (command == ly_symbol2scm ("start-repeat")) start = true; else if (command == ly_symbol2scm ("end-repeat")) end = true; - else if (gh_pair_p (command) && ly_car (command) == ly_symbol2scm ("volta")) + else if (scm_is_pair (command) && scm_car (command) == ly_symbol2scm ("volta")) volta_found = true; - cs = ly_cdr (cs); + cs = scm_cdr (cs); } if (start && end) @@ -93,27 +91,24 @@ Repeat_acknowledge_engraver::process_music () /* TODO: line breaks might be allowed if we set whichBar to "". - */ + */ /* We only set the barline if we wouldn't overwrite a previously set barline. - */ + */ SCM wb = get_property ("whichBar"); - SCM db = get_property ("defaultBarType"); - if (!gh_string_p (wb) || gh_equal_p (db, wb)) + SCM db = get_property ("defaultBarType"); + if (!scm_is_string (wb) || ly_is_equal (db, wb)) { - if (s != "" || (volta_found && !gh_string_p (wb))) - { - daddy_trans_l_->set_property ("whichBar", ly_str02scm (s.ch_C ())); - } + if (s != "" || (volta_found && !scm_is_string (wb))) + context ()->set_property ("whichBar", ly_string2scm (s)); } } -ENTER_DESCRIPTION(Repeat_acknowledge_engraver, -/* descr */ "Acknowledge repeated music, and convert the contents of -repeatCommands ainto an appropriate setting for whichBar", -/* creats*/ "", -/* acks */ "", -/* reads */ "repeatCommands whichBar", -/* write */ ""); +ADD_TRANSLATOR (Repeat_acknowledge_engraver, + /* doc */ "Acknowledge repeated music, and convert the contents of " + "repeatCommands ainto an appropriate setting for whichBar.", + /* create */ "", + /* read */ "repeatCommands whichBar", + /* write */ "");