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/*
walkregs.cc -- implement Walker_registers
source file of the LilyPond music typesetter
(c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
*/
#include "debug.hh"
#include "walk-regs.hh"
#include "staff-regs.hh"
#include "staff-elem.hh"
#include "staff.hh"
#include "complex-walker.hh"
#include "staff-column.hh"
#include "score-walker.hh"
#include "bar.hh" // needed for Bar::static_name
#include "input-register.hh"
Walker_registers::Walker_registers(Complex_walker *w)
{
walk_l_ = w;
Input_register * ireg_l = w->staff_l_->ireg_p_;
if (ireg_l->name_str_ == "Staff_registers")
add(new Staff_registers(ireg_l));
else {
add(ireg_l->get_nongroup_p_arr());
}
}
void
Walker_registers::announce_element(Staff_elem_info info)
{
if (info.elem_l_->name() == Bar::static_name()) {
walk_l_->allow_break();
}
announce_info_arr_.push(info);
}
void
Walker_registers::acknowledge_element(Staff_elem_info )
{
assert(false);
}
void
Walker_registers::do_announces()
{
Request dummy_req;
for (int i = 0; i < announce_info_arr_.size(); i++){
Staff_elem_info info = announce_info_arr_[i];
mtor << "Announcing " << info.elem_l_->name()<<"\n";
if (!info.req_l_)
info.req_l_ = &dummy_req;
Register_group_register::acknowledge_element(info);
}
announce_info_arr_.set_size(0);
}
void
Walker_registers::typeset_element(Staff_elem *elem_p)
{
typeset_musical_item(elem_p);
}
void
Walker_registers::typeset_musical_item(Staff_elem * elem_p)
{
walk_l_->typeset_element(elem_p);
}
void
Walker_registers::typeset_breakable_item(Item * pre_p , Item * nobreak_p,
Item * post_p)
{
if (pre_p)
prebreak_item_p_arr_.push(pre_p);
if (nobreak_p)
nobreak_item_p_arr_.push(nobreak_p);
if (post_p)
postbreak_item_p_arr_.push(post_p);
}
void
Walker_registers::pre_move_processing()
{
// this generates all items.
Register_group_register::pre_move_processing();
walk_l_->ptr()->typeset_breakable_items(prebreak_item_p_arr_,
nobreak_item_p_arr_,
postbreak_item_p_arr_);
}
void
Walker_registers::post_move_processing()
{
Register_group_register::post_move_processing();
}
Staff_info
Walker_registers::get_staff_info() return inf;
{
if (walk_l_->score_walk_l_) // we get called ctors
inf.break_allowed_b_ = walk_l_->score_walk_l_->break_allowed_b();
inf.walk_l_ = walk_l_;
inf.time_C_ = &walk_l_->time_;
inf.rhythmic_C_ = walk_l_->default_grouping;
}
Paper_def*
Walker_registers::paper()const
{
return walk_l_->staff_l_->paper();
}
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