lilypond-0.0.38

diff --git a/src/voice-group-regs.cc b/src/voice-group-regs.cc
new file mode 100644 (file)
index 0000000..a5a5c37
--- /dev/null
+++ b/src/voice-group-regs.cc
@@ -0,0 +1,85 @@
+/*
+  voicegroup.cc -- implement Voice_group_registers
+
+  source file of the LilyPond music typesetter
+
+  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+*/
+
+#include "plist.hh"
+#include "musicalrequest.hh"
+#include "voice-regs.hh"
+#include "voice-group-regs.hh"
+#include "register.hh"
+#include "text-reg.hh"
+#include "stem-beam-reg.hh"
+#include "script-reg.hh"
+#include "complex-walker.hh"
+#include "commandrequest.hh"
+#include "debug.hh"
+
+static int temp_id_count;
+
+Voice_group_registers::Voice_group_registers(String id)
+{
+    add(new Text_register);
+    add(new Stem_beam_register);
+    add(new Script_register);
+    
+    if (id=="")                        // UGH
+       id = __FUNCTION__ + String(temp_id_count++);
+    group_id_str_ = id;
+}
+
+bool
+Voice_group_registers::try_request(Request*r_l)
+{
+    for (int i=0; i < voice_regs_l_.size(); i++) {     
+       if (voice_regs_l_[i]->voice_l_ == r_l->voice_l())
+           goto gotcha;
+    }
+    return false;
+gotcha:
+    if (r_l->groupfeature()) {
+       set_feature(Features::dir(r_l->groupfeature()->stemdir_i_));
+       return true;
+    }
+    return Register_group_register::try_request(r_l);
+}
+
+
+bool
+Voice_group_registers::static_acceptable_request_b(Request*r)
+{
+    return (r->stem() || r->beam() || r->text() || r->script() ||
+           r->groupfeature());
+}
+
+void
+Voice_group_registers::terminate_register(Request_register*r_l)
+{
+    if (r_l->name() == Voice_registers::static_name()) {
+       for (int i=0; i <voice_regs_l_.size(); i++) {
+           if (r_l == voice_regs_l_[i])
+               voice_regs_l_.del(i);
+           Register_group_register::terminate_register(r_l);
+           return;
+       }
+    }
+    assert(false);
+}
+void
+Voice_group_registers::do_print() const
+{
+#ifndef NPRINT
+    mtor << "ID: " << group_id_str_<<"\n";
+    Register_group_register::do_print();
+#endif
+}
+void
+Voice_group_registers::add(Request_register*r_l)
+{
+    Register_group_register::add(r_l);
+    if (r_l->name() == Voice_registers::static_name())
+       voice_regs_l_.push( (Voice_registers*)r_l );
+}