(get_indexed_char): scale metrics by

[lilypond.git] / lily / paper-outputter.cc

diff --git a/lily/paper-outputter.cc b/lily/paper-outputter.cc
index 2fe344130750340af8529ca03ea905946250a9ea..72135b91389ca4cddd41892198861df5bff93b26 100644 (file)
--- a/lily/paper-outputter.cc
+++ b/lily/paper-outputter.cc
@@ -4,81 +4,145 @@
   source file of the GNU LilyPond music typesetter
 
   (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  Jan Nieuwenhuizen <janneke@gnu.org>
+                 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
-#include <time.h>
+#include "paper-outputter.hh"
+
 #include <math.h>
+#include <ctime>
 
 #include "dimensions.hh"
-#include "virtual-methods.hh"
-#include "paper-outputter.hh"
-#include "stencil.hh"
-#include "array.hh"
-#include "string-convert.hh"
-#include "warn.hh"
+#include "file-name.hh"
 #include "font-metric.hh"
+#include "input-smob.hh"
+#include "lily-version.hh"
+#include "ly-module.hh"
 #include "main.hh"
+#include "output-def.hh"
+#include "paper-book.hh"
+#include "paper-system.hh"
 #include "scm-hash.hh"
-#include "lily-version.hh"
-#include "paper-def.hh"
-#include "input-file-results.hh"
-#include "ly-modules.hh"
+#include "string-convert.hh"
+#include "warn.hh"
 
+#include "ly-smobs.icc"
 
-Paper_outputter::Paper_outputter (String name)
+Paper_outputter::Paper_outputter (String file_name, String format)
 {
-  if (safe_global_b)
-    {
-      gh_define ("security-paranoia", SCM_BOOL_T);      
-    }
+  file_ = SCM_EOL;
+  output_module_ = SCM_EOL;
+  smobify_self ();
   
-  file_ = scm_open_file (scm_makfrom0str (name.to_str0 ()),
-                           scm_makfrom0str ("w"));
+  file_name_ = file_name;
+  String module_name = "scm output-" + format;
+  output_module_ = scm_c_resolve_module (module_name.to_str0 ());
+}
 
-  static SCM find_dumper;
-  if (!find_dumper)
-    find_dumper = scm_c_eval_string ("find-dumper");
+Paper_outputter::~Paper_outputter ()
+{
+}
 
-  
-  output_func_ = scm_call_1 (find_dumper,scm_makfrom0str (output_format_global.to_str0 ()));
-  output_scheme (gh_cons (ly_symbol2scm ("top-of-file"), SCM_EOL));
+
+IMPLEMENT_SMOBS (Paper_outputter);
+IMPLEMENT_DEFAULT_EQUAL_P (Paper_outputter);
+
+SCM
+Paper_outputter::mark_smob (SCM x)
+{
+  Paper_outputter *p = (Paper_outputter*) SCM_CELL_WORD_1(x);
+  scm_gc_mark (p->output_module_);
+  return p->file_;
 }
 
-Paper_outputter::~Paper_outputter ()
+int
+Paper_outputter::print_smob (SCM x, SCM p, scm_print_state*)
 {
-  scm_close_port (file_);
-  file_ = SCM_EOL;
+  (void) x;
+  scm_puts ("#<Paper_outputter>", p);
+  return 1;
+}
+
+SCM
+Paper_outputter::file ()
+{
+  if (file_ == SCM_EOL)
+    if (file_name_ == "-")
+      file_ = scm_current_output_port();
+    else
+      file_ = scm_open_file (scm_makfrom0str (file_name_.to_str0 ()),
+                            scm_makfrom0str ("w"));
+  return file_;
+}
+
+SCM
+Paper_outputter::dump_string (SCM scm)
+{
+  return scm_display (scm, file ());
+}
+
+SCM
+Paper_outputter::scheme_to_string (SCM scm)
+{
+  return scm_eval (scm, output_module_);
 }
 
 void
 Paper_outputter::output_scheme (SCM scm)
 {
-  gh_call2 (output_func_, scm, file_);
+  dump_string (scheme_to_string (scm));
 }
 
 void
-Paper_outputter::output_metadata (SCM scopes, Paper_def *paper)
+paper_outputter_dump (void *po, SCM x)
 {
-  SCM fields = SCM_EOL;
-  for (int i = dump_header_fieldnames_global.size (); i--; )
-    fields = gh_cons (ly_symbol2scm (dump_header_fieldnames_global[i].to_str0 ()),
-                                    fields);
-  
-  output_scheme (scm_list_n (ly_symbol2scm ("output-scopes"),
-                            paper->self_scm (),
-                            scm_list_n (ly_symbol2scm ("quote"),
-                                        scopes, SCM_UNDEFINED),
-                            scm_list_n (ly_symbol2scm ("quote"),
-                                        fields, SCM_UNDEFINED),
-                            scm_makfrom0str (basename_.to_str0 ()), 
-                            SCM_UNDEFINED));
+  Paper_outputter *me = (Paper_outputter*) po;
+  me->output_scheme (x);
 }
 
+void
+Paper_outputter::output_stencil (Stencil stil)
+{
+  interpret_stencil_expression (stil.expr (), paper_outputter_dump,
+                                (void*) this, Offset (0,0));
+}
+
+Paper_outputter *
+get_paper_outputter (String outname, String f) 
+{
+  progress_indication (_f ("Layout output to `%s'...",
+                          outname == "-" ? String ("<stdout>") : outname));
+  progress_indication ("\n");
+  return new Paper_outputter (outname, f);
+}
+
+/* FIXME: why is output_* wrapper called dump?  */
+LY_DEFINE (ly_outputter_dump_stencil, "ly:outputter-dump-stencil",
+          2, 0, 0, (SCM outputter, SCM stencil),
+          "Dump stencil @var{expr} onto @var{outputter}.")
+{
+  Paper_outputter *po = unsmob_outputter (outputter);
+  Stencil *st = unsmob_stencil (stencil);
+  SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
+  SCM_ASSERT_TYPE (st, stencil, SCM_ARG1, __FUNCTION__, "Paper_outputter");
+  po->output_stencil (*st);
+  return SCM_UNSPECIFIED;
+}
+
+LY_DEFINE (ly_outputter_dump_string, "ly:outputter-dump-string",
+          2, 0, 0, (SCM outputter, SCM str),
+          "Dump @var{str} onto @var{outputter}.")
+{
+  Paper_outputter *po = unsmob_outputter (outputter);
+  SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
+  SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "Paper_outputter");
+  
+  return po->dump_string (str);
+}
 
 void
-Paper_outputter::output_music_output_def (Music_output_def* odef)
+Paper_outputter::close ()
 {
-  output_scheme (scm_list_n (ly_symbol2scm ("output-paper-def"),
-                            odef->self_scm (), SCM_UNDEFINED));
+  if (scm_port_p (file_) == SCM_BOOL_T)
+    scm_close_port (file_);
 }