lily/paper-outputter.cc

   1 /*
   2   paper-outputter.cc -- implement Paper_outputter
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7   Jan Nieuwenhuizen <janneke@gnu.org>
   8 */
   9
  10 #include <time.h>
  11 #include <fstream.h>
  12 #include <math.h>
  13 #include <iostream.h>
  14
  15 #include "dimensions.hh"
  16 #include "virtual-methods.hh"
  17 #include "paper-outputter.hh"
  18 #include "paper-stream.hh"
  19 #include "molecule.hh"
  20 #include "array.hh"
  21 #include "string-convert.hh"
  22 #include "debug.hh"
  23 #include "lookup.hh"
  24 #include "main.hh"
  25 #include "scope.hh"
  26 #include "identifier.hh"
  27 #include "lily-version.hh"
  28
  29
  30 /*
  31   Ugh, this is messy.
  32  */
  33
  34 Paper_outputter::Paper_outputter (Paper_stream  * ps )
  35 {
  36  /*
  37    lilypond -f scm x.ly
  38    guile -s x.scm
  39   */
  40   verbatim_scheme_b_ =  output_global_ch == String ("scm");
  41
  42   if (verbatim_scheme_b_)
  43     {
  44         *ps << ""
  45           ";;; Usage: guile -s x.scm > x.tex\n"
  46           "(primitive-load-path 'lily.scm)\n"
  47           "(scm-tex-output)\n"
  48           ";(scm-ps-output)\n"
  49           "(map (lambda (x) (display (eval x))) '(\n"
  50         ;
  51     }
  52
  53   stream_p_ = ps;
  54 }
  55
  56 Paper_outputter::~Paper_outputter ()
  57 {
  58   if (verbatim_scheme_b_)
  59     {
  60       *stream_p_ << "))";
  61     }
  62   delete stream_p_;
  63 }
  64
  65
  66 void
  67 Paper_outputter::output_header ()
  68 {
  69   if (safe_global_b)
  70     {
  71       gh_define ("security-paranoia", SCM_BOOL_T);
  72     }
  73
  74   SCM exp = gh_list (ly_symbol2scm ((String (output_global_ch) + "-scm").ch_C()),
  75                      ly_quote_scm (ly_symbol2scm ("all-definitions")),
  76                      SCM_UNDEFINED);
  77   exp = scm_eval (exp);
  78   scm_eval (exp);
  79
  80   String creator;
  81   if (no_timestamps_global_b)
  82     creator = gnu_lilypond_str ();
  83   else
  84     creator = gnu_lilypond_version_str ();
  85
  86   String generate;
  87   if (no_timestamps_global_b)
  88     generate = ".";
  89   else
  90     {
  91       generate = _ (", at ");
  92       time_t t (time (0));
  93       generate += ctime (&t);
  94       generate = generate.left_str (generate.length_i () - 1);
  95     }
  96
  97   SCM args_scm =
  98     gh_list (ly_str02scm (creator.ch_l ()),
  99              ly_str02scm (generate.ch_l ()), SCM_UNDEFINED);
 100
 101
 102   SCM scm = gh_cons (ly_symbol2scm ("header"), args_scm);
 103   output_scheme (scm);
 104 }
 105
 106
 107
 108 void
 109 Paper_outputter::output_comment (String str)
 110 {
 111   output_scheme (gh_list (ly_symbol2scm ("comment"),
 112                           ly_str02scm ((char*)str.ch_C()),
 113                           SCM_UNDEFINED)
 114                  );
 115 }
 116
 117
 118 void
 119 Paper_outputter::output_scheme (SCM scm)
 120 {
 121   /*
 122     we don't rename dump_scheme, because we might in the future want
 123     to remember Scheme. We don't now, because it sucks up a lot of memory.
 124   */
 125   dump_scheme (scm);
 126 }
 127
 128
 129 /*
 130   UGH.
 131
 132   Should probably change interface to do less eval ( symbol ), and more
 133   apply (procedure, args)
 134  */
 135 void
 136 Paper_outputter::dump_scheme (SCM s)
 137 {
 138   if  (verbatim_scheme_b_)
 139     {
 140       SCM result =  scm_eval (scm_listify (ly_symbol2scm ("scm->string"),
 141                                            ly_quote_scm (gh_car (s)), SCM_UNDEFINED));
 142
 143       *stream_p_ << ly_scm2string (result);
 144     }
 145   else
 146     {
 147       SCM result = scm_eval (s);
 148       char *c=gh_scm2newstr (result, NULL);
 149
 150       *stream_p_ << c;
 151       free (c);
 152     }
 153 }
 154 void
 155 Paper_outputter::output_scope (Scope *scope, String prefix)
 156 {
 157   SCM al = scope->to_alist ();
 158   for (SCM s = al ; gh_pair_p (s); s = gh_cdr (s))
 159     {
 160       SCM k = gh_caar (s);
 161       SCM v = gh_cdar (s);
 162       String s = ly_symbol2string (k);
 163
 164
 165       if (gh_string_p (v))
 166         {
 167           output_String_def (prefix + s, ly_scm2string (v));
 168         }
 169       else if (scm_integer_p (v) == SCM_BOOL_T)
 170         {
 171           output_int_def (prefix + s, gh_scm2int (v));
 172         }
 173       else if (gh_number_p (v))
 174         {
 175           output_Real_def (prefix + s, gh_scm2double (v));
 176         }
 177     }
 178 }
 179
 180 void
 181 Paper_outputter::output_version ()
 182 {
 183   String id_str = "Lily was here";
 184   if (no_timestamps_global_b)
 185     id_str += ".";
 186   else
 187     id_str += String (", ") + version_str ();
 188
 189   output_String_def ( "mudelatagline", id_str);
 190   output_String_def ( "LilyPondVersion", version_str ());
 191 }
 192
 193
 194
 195 void
 196 Paper_outputter::output_font_def (int i, String str)
 197 {
 198   SCM scm = gh_list (ly_symbol2scm ("font-def"),
 199                      gh_int2scm (i),
 200                      ly_str02scm (str.ch_l ()),
 201                      SCM_UNDEFINED);
 202
 203   output_scheme (scm);
 204 }
 205
 206 void
 207 Paper_outputter::output_Real_def (String k, Real v)
 208 {
 209
 210   SCM scm = gh_list (ly_symbol2scm ("lily-def"),
 211                      ly_str02scm (k.ch_l ()),
 212                      ly_str02scm (to_str(v).ch_l ()),
 213                      SCM_UNDEFINED);
 214   output_scheme (scm);
 215 }
 216
 217 void
 218 Paper_outputter::output_String_def (String k, String v)
 219 {
 220
 221   SCM scm = gh_list (ly_symbol2scm ("lily-def"),
 222                      ly_str02scm (k.ch_l ()),
 223                      ly_str02scm (v.ch_l ()),
 224                      SCM_UNDEFINED);
 225   output_scheme (scm);
 226 }
 227
 228 void
 229 Paper_outputter::output_int_def (String k, int v)
 230 {
 231   SCM scm = gh_list (ly_symbol2scm ("lily-def"),
 232                      ly_str02scm (k.ch_l ()),
 233                      ly_str02scm (to_str (v).ch_l ()),
 234                      SCM_UNDEFINED);
 235   output_scheme (scm);
 236 }
 237
 238
 239
 240 void
 241 Paper_outputter::output_string (SCM str)
 242 {
 243   *stream_p_ <<  ly_scm2string (str);
 244 }