X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fquote-iterator.cc;h=c8e8a1a42e2c79f0f7fcd1d59e3e651f466ee590;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=15f5a1aef9063f5283765752d9feb87acb4217bb;hpb=5758fa63add68276fd012fac73a240f40332a320;p=lilypond.git diff --git a/lily/quote-iterator.cc b/lily/quote-iterator.cc index 15f5a1aef9..c8e8a1a42e 100644 --- a/lily/quote-iterator.cc +++ b/lily/quote-iterator.cc @@ -1,65 +1,92 @@ -/* - quote-iterator.cc -- implement Quote_iterator +/* + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 2004--2014 Han-Wen Nienhuys - (c) 2004 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 "music-wrapper-iterator.hh" + #include "context.hh" -#include "event.hh" -#include "music-sequence.hh" +#include "dispatcher.hh" +#include "input.hh" +#include "international.hh" #include "lily-guile.hh" -#include "music-iterator.hh" +#include "music-sequence.hh" #include "music.hh" -#include "input.hh" #include "warn.hh" - -class Quote_iterator : public Music_iterator +class Quote_iterator : public Music_wrapper_iterator { public: Quote_iterator (); Moment vector_moment (int idx) const; - + Context_handle quote_outlet_; + Moment start_moment_; + Moment stop_moment_; SCM event_vector_; int event_idx_; - int end_idx_ ; + int end_idx_; SCM transposed_musics_; - - DECLARE_SCHEME_CALLBACK (constructor, ()); - bool accept_music_type (Music*) const; + DECLARE_SCHEME_CALLBACK (constructor, ()); + bool quote_ok () const; + bool accept_music_type (Stream_event *, bool is_cue = true) const; + protected: virtual void derived_mark () const; virtual void construct_children (); virtual Moment pending_moment () const; virtual void process (Moment); + virtual void do_quit (); virtual bool ok () const; }; +void +Quote_iterator::do_quit () +{ + Music_wrapper_iterator::do_quit (); + quote_outlet_.set_context (0); +} + bool -Quote_iterator::accept_music_type (Music *mus) const +Quote_iterator::accept_music_type (Stream_event *ev, bool is_cue) const { - SCM accept = get_outlet()->get_property ("quotedEventTypes"); - for (SCM s = mus->get_property ("types"); - scm_is_pair (s); s = scm_cdr (s)) + SCM accept = SCM_EOL; + // Cue notes use the quotedCueEventTypes property, otherwise (and as fallback + // for cue notes if quotedCueEventTypes is not set) use quotedEventTypes + if (is_cue) + accept = get_outlet ()->get_property ("quotedCueEventTypes"); + if (accept == SCM_EOL) + accept = get_outlet ()->get_property ("quotedEventTypes"); + + for (; scm_is_pair (accept); accept = scm_cdr (accept)) { - if (scm_memq (scm_car (s), accept) != SCM_BOOL_F) - return true; + if (ev->internal_in_event_class (scm_car (accept))) + return true; } - return false; } - void Quote_iterator::derived_mark () const { - scm_gc_mark (transposed_musics_ ); + Music_wrapper_iterator::derived_mark (); + scm_gc_mark (transposed_musics_); } Quote_iterator::Quote_iterator () @@ -71,118 +98,195 @@ Quote_iterator::Quote_iterator () } int -binsearch_scm_vector (SCM vec, SCM key, bool (*is_less)(SCM a,SCM b)); +binsearch_scm_vector (SCM vec, SCM key, bool (*is_less) (SCM a, SCM b)) +{ + int lo = 0; + int hi = scm_c_vector_length (vec); + /* binary search */ + do + { + int cmp = (lo + hi) / 2; + + SCM when = scm_caar (scm_c_vector_ref (vec, cmp)); + bool result = (*is_less) (key, when); + if (result) + hi = cmp; + else + lo = cmp; + } + while (hi - lo > 1); + + return lo; +} void Quote_iterator::construct_children () { - SCM dur = get_music ()->get_property ("duration"); - if (!unsmob_duration (dur)) - return ; + Music_wrapper_iterator::construct_children (); - set_context (get_outlet ()->get_default_interpreter ()); - - Moment now = get_outlet ()->now_mom (); - Moment stop = now + unsmob_duration (dur)->get_length (); - - start_moment_ = now; - event_vector_ = get_music ()->get_property ("quoted-events"); + SCM name = get_music ()->get_property ("quoted-context-type"); + SCM id = get_music ()->get_property ("quoted-context-id"); - if (ly_c_vector_p (event_vector_)) + if (scm_is_symbol (name)) { - event_idx_ = binsearch_scm_vector (event_vector_, now.smobbed_copy (), &moment_less); - end_idx_ = binsearch_scm_vector (event_vector_, stop.smobbed_copy (), &moment_less); + Context *cue_context = + get_outlet ()->find_create_context (name, + robust_scm2string (id, ""), + SCM_EOL); + quote_outlet_.set_context (cue_context); } else - { - get_music ()->origin()->warning (_("No events found for \\quote")); - } -} + quote_outlet_.set_context (get_outlet ()->get_default_interpreter ()); + event_vector_ = get_music ()->get_property ("quoted-events"); + + /* + We have to delay initting event_idx_ , since we have to + take starting grace notes into account. Those may offset + event_idx_. + */ + event_idx_ = -1; +} bool Quote_iterator::ok () const { - return ly_c_vector_p (event_vector_) && (event_idx_ <= end_idx_); + return + Music_wrapper_iterator::ok () + || quote_ok (); +} + +bool +Quote_iterator::quote_ok () const +{ + return (event_idx_ >= 0 + && scm_is_vector (event_vector_) + && event_idx_ <= end_idx_ + + /* + Don't quote the grace notes leading to an unquoted note. + */ + && vector_moment (event_idx_).main_part_ < stop_moment_.main_part_); } Moment Quote_iterator::pending_moment () const { - return vector_moment (event_idx_) - start_moment_; + Rational infty; + infty.set_infinite (1); + Moment m (infty); + + if (Music_wrapper_iterator::ok ()) + m = min (m, Music_wrapper_iterator::pending_moment ()); + + /* + In case event_idx_ < 0, we're not initted yet, and the wrapped + music expression determines the starting moment. + */ + if (quote_ok ()) + m = min (m, vector_moment (event_idx_) - start_moment_); + + return m; } Moment Quote_iterator::vector_moment (int idx) const { - SCM entry = SCM_VECTOR_REF (event_vector_, idx); + SCM entry = scm_c_vector_ref (event_vector_, idx); return *unsmob_moment (scm_caar (entry)); } - void Quote_iterator::process (Moment m) { + if (Music_wrapper_iterator::ok ()) + Music_wrapper_iterator::process (m); + + if (!scm_is_vector (event_vector_)) + return; + + if (event_idx_ < 0) + { + event_idx_ = binsearch_scm_vector (event_vector_, + get_outlet ()->now_mom ().smobbed_copy (), + &moment_less); + start_moment_ = get_outlet ()->now_mom () - music_start_mom (); + stop_moment_ = start_moment_ + get_music ()->get_length (); + + end_idx_ = binsearch_scm_vector (event_vector_, + stop_moment_.smobbed_copy (), + &moment_less); + } + m += start_moment_; while (event_idx_ <= end_idx_) { Moment em = vector_moment (event_idx_); if (em > m) - return ; + return; if (em == m) - break ; + break; event_idx_++; } - if (event_idx_ <= end_idx_) + if (quote_ok ()) { - SCM entry = SCM_VECTOR_REF (event_vector_, event_idx_); - Pitch * quote_pitch = unsmob_pitch (scm_cdar (entry)); + SCM entry = scm_c_vector_ref (event_vector_, event_idx_); + Pitch *quote_pitch = unsmob_pitch (scm_cdar (entry)); /* - The pitch that sounds like central C - */ - Pitch * me_pitch = unsmob_pitch (get_outlet ()->get_property ("instrumentTransposition")); - + The pitch that sounds when written central C is played. + */ + Pitch temp_pitch; + Pitch *me_pitch = unsmob_pitch (get_music ()->get_property ("quoted-transposition")); + if (!me_pitch) + me_pitch = unsmob_pitch (get_outlet ()->get_property ("instrumentTransposition")); + else + { + // We are not going to win a beauty contest with this one, + // but it is slated for replacement and touches little code. + // quoted-transposition currently has a different sign + // convention than instrumentTransposition + temp_pitch = me_pitch->negated (); + me_pitch = &temp_pitch; + } + SCM cid = get_music ()->get_property ("quoted-context-id"); + bool is_cue = scm_is_string (cid) && (ly_scm2string (cid) == "cue"); + for (SCM s = scm_cdr (entry); scm_is_pair (s); s = scm_cdr (s)) - { - SCM ev_acc = scm_car (s); - - Music * mus = unsmob_music (scm_car (ev_acc)); - if (!mus) - programming_error ("need music in quote."); - else if (accept_music_type (mus)) - { - if (quote_pitch || me_pitch) - { - Pitch qp, mp; - if (quote_pitch) - qp = *quote_pitch; - if (me_pitch) - mp = *me_pitch; - - Pitch diff = pitch_interval (qp, mp); - - SCM copy = ly_deep_mus_copy (mus->self_scm ()); - mus = unsmob_music (copy); - transposed_musics_ = scm_cons (copy, transposed_musics_); - - - mus->transpose (diff); - } - - - bool b = get_outlet ()->try_music (mus); - - if (!b) - mus->origin ()->warning (_f ("In quotation: junking event %s", mus->name ())); - } - } + { + SCM ev_acc = scm_car (s); + + Stream_event *ev = unsmob_stream_event (scm_car (ev_acc)); + if (!ev) + programming_error ("no music found in quote"); + else if (accept_music_type (ev, is_cue)) + { + /* create a transposed copy if necessary */ + if (quote_pitch || me_pitch) + { + Pitch qp, mp; + if (quote_pitch) + qp = *quote_pitch; + if (me_pitch) + mp = *me_pitch; + + Pitch diff = pitch_interval (mp, qp); + ev = ev->clone (); + ev->make_transposable (); + + transpose_mutable (ev->get_property_alist (true), diff); + transposed_musics_ = scm_cons (ev->unprotect (), transposed_musics_); + } + quote_outlet_.get_context ()->event_source ()->broadcast (ev); + } + } + + event_idx_++; } - event_idx_ ++; } IMPLEMENT_CTOR_CALLBACK (Quote_iterator);