3 timing-translator.cc -- implement Timing_translator
5 source file of the GNU LilyPond music typesetter
7 (c) 1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
10 #include "timing-translator.hh"
11 #include "command-request.hh"
12 #include "translator-group.hh"
13 #include "global-translator.hh"
14 #include "multi-measure-rest.hh"
16 Timing_translator::Timing_translator ()
18 default_grouping_ = Rhythmic_grouping (MInterval (0, 1), 4); // ugh
22 Timing_translator::do_try_request(Request*r)
24 Command_req * c = r->command();
25 if (!(c && c->timing()))
27 for (int i=0; i < timing_req_l_arr_.size (); i++)
29 if (timing_req_l_arr_[i]->equal_b(r))
31 if (timing_req_l_arr_[i]->name() == r->name())
33 r->warning (_("conflicting timing request"));
38 timing_req_l_arr_.push(c->timing());
43 Timing_translator::meter_req_l() const
45 Meter_change_req *m_l=0;
46 for (int i=0; !m_l && i < timing_req_l_arr_.size (); i++)
48 m_l=timing_req_l_arr_[i]->meterchange();
54 Timing_translator::do_process_requests()
56 for (int i=0; i < timing_req_l_arr_.size (); i++)
58 Timing_req * tr_l = timing_req_l_arr_[i];
59 Meter_change_req *m_l = tr_l->meterchange();
62 int b_i= m_l->beats_i_;
63 int o_i = m_l->one_beat_i_;
64 if (! time_.allow_meter_change_b())
65 tr_l->warning (_("Meter change not allowed here"));
68 time_.set_meter (b_i, o_i);
70 Rhythmic_grouping (MInterval (0,Moment (b_i, o_i)), b_i);
73 else if (tr_l->partial())
75 Moment m = tr_l->partial()->duration_;
76 String error = time_.try_set_partial_str (m);
77 if (error.length_i ())
79 tr_l->warning (error);
84 else if (tr_l->barcheck())
86 if (time_.whole_in_measure_)
88 tr_l ->warning (_("Barcheck failed"));
90 time_.whole_in_measure_ = 0; // resync
91 time_.error_b_ = true;
95 else if (tr_l->cadenza())
97 time_.set_cadenza (tr_l->cadenza()->on_b_);
99 else if (tr_l->measuregrouping())
102 parse_grouping (tr_l->measuregrouping()->beat_i_arr_,
103 tr_l->measuregrouping()->elt_length_arr_);
111 Timing_translator::do_pre_move_processing()
113 timing_req_l_arr_.set_size (0);
114 Global_translator *global_l =
115 daddy_trans_l_->ancestor_l (100)->global_l (); // ugh 100.
118 bool allbars = ! get_property ("SkipBars").to_bool ();
119 if (!time_.cadenza_b_ && allbars)
120 global_l->add_moment_to_process (time_.next_bar_moment ());
123 IMPLEMENT_IS_TYPE_B1(Timing_translator, Translator);
124 ADD_THIS_TRANSLATOR(Timing_translator);
127 Timing_translator::do_creation_processing()
129 time_.when_ = now_moment ();
133 Timing_translator::do_post_move_processing()
135 time_.add (now_moment () - time_.when_);
139 Timing_translator::do_print () const
143 default_grouping_.print ();