-/*
- paper-def.cc -- implement Paper_def
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
-
-#include <math.h>
-
-#include "string.hh"
-#include "misc.hh"
-#include "paper-def.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "main.hh"
-#include "scope.hh"
-#include "file-results.hh" // urg? header_global_p
-#include "paper-stream.hh"
-
-Paper_def::Paper_def ()
-{
- lookup_alist_ = SCM_EOL;
-}
-
-
-Paper_def::~Paper_def ()
-{
-}
-
-Paper_def::Paper_def (Paper_def const&src)
- : Music_output_def (src)
-{
- SCM n = SCM_EOL;
- for (SCM s = src.lookup_alist_; gh_pair_p(s); s = gh_cdr (s))
- {
- n = scm_acons (gh_caar(s), gh_cdar (s), n);
- }
-
- lookup_alist_ = n;
-}
-
-
-Real
-Paper_def::get_var (String s) const
-{
- return get_realvar (ly_symbol2scm (s.ch_C()));
-}
-
-SCM
-Paper_def::get_scmvar (String s) const
-{
- return scope_p_->scm_elem (ly_symbol2scm (s.ch_C()));
-}
-
-Real
-Paper_def::get_realvar (SCM s) const
-{
- if (!scope_p_->elem_b (s))
- {
- programming_error ("unknown paper variable: " + ly_symbol2string (s));
- return 0.0;
- }
- SCM val = scope_p_->scm_elem (s);
- if (gh_number_p (val))
- {
- return gh_scm2double (val);
- }
- else
- {
- programming_error ("not a real variable");
- return 0.0;
- }
-}
-
-/*
- FIXME. This is broken until we have a generic way of
- putting lists inside the \paper block.
- */
-Interval
-Paper_def::line_dimensions_int (int n) const
-{
- Real lw = get_var ("linewidth");
- Real ind = n? 0.0:get_var ("indent");
-
- return Interval (ind, lw);
-}
-
-void
-Paper_def::set_lookup (int i, SCM l)
-{
- assert (unsmob_lookup (l));
- lookup_alist_ = scm_assq_set_x(lookup_alist_, gh_int2scm (i), l);
-}
-
-
-/*
- junkme.
- */
-Real
-Paper_def::interbeam_f (int multiplicity_i) const
-{
- if (multiplicity_i <= 3)
- return get_var ("interbeam");
- else
- return get_var ("interbeam4");
-}
-
-
-void
-Paper_def::print () const
-{
-#ifndef NPRINT
- Music_output_def::print ();
- if (flower_dstream)
- gh_display (lookup_alist_);
-#endif
-}
-
-Lookup const *
-Paper_def::lookup_l (int i) const
-{
- SCM l = scm_assq (gh_int2scm(i), lookup_alist_);
- return l == SCM_BOOL_F ? 0 : unsmob_lookup (gh_cdr (l));
-}
-
-int Paper_def::default_count_i_ = 0;
-
-int
-Paper_def::get_next_default_count () const
-{
- return default_count_i_ ++;
-}
-
-void
-Paper_def::reset_default_count()
-{
- default_count_i_ = 0;
-}
-
-
-Paper_stream*
-Paper_def::paper_stream_p () const
-{
- String outname = base_output_str ();
-
- if (outname != "-")
- outname += String (".") + output_global_ch;
- progress_indication (_f ("paper output to %s...",
- outname == "-" ? String ("<stdout>") : outname));
-
- target_str_global_array.push (outname);
- return new Paper_stream (outname);
-}
-
-
-String
-Paper_def::base_output_str () const
-{
- String str = get_default_output ();
-
- if (str.empty_b ())
- {
- str = default_outname_base_global;
- int def = get_next_default_count ();
- if (def)
- str += "-" + to_str (def);
- }
- return str;
-}
-
-