* lily/include/object-key-undumper.hh (Module): new file.

[lilypond.git] / lily / book.cc

diff --git a/lily/book.cc b/lily/book.cc
index 789c368078296146403dae13fbfb559f13618e40..640600f6d3d29fd13c44ab94ca39cbb176bad45d 100644 (file)
--- a/lily/book.cc
+++ b/lily/book.cc
@@ -8,27 +8,26 @@
 
 #include <stdio.h>
 
-
-#include "ly-smobs.icc"
-#include "stencil.hh"
+#include "lilypond-key.hh"
 #include "book.hh"
 #include "global-context.hh"
 #include "ly-module.hh"
 #include "main.hh"
 #include "music-iterator.hh"
-#include "output-def.hh"
 #include "music-output.hh"
 #include "music.hh"
-#include "page.hh"
-#include "paper-book.hh"
 #include "output-def.hh"
+#include "paper-book.hh"
 #include "score.hh"
+#include "stencil.hh"
 #include "warn.hh"
 
+#include "ly-smobs.icc"
+
 Book::Book ()
   : Input ()
 {
-  bookpaper_ = 0;
+  paper_ = 0;
   header_ = SCM_EOL;
   assert (!scores_.size ());
   smobify_self ();
@@ -49,8 +48,12 @@ Book::mark_smob (SCM s)
   for (int i = 0; i < score_count; i++)
     scm_gc_mark (book->scores_[i]->self_scm ());
 
-  if (book->bookpaper_)
-    scm_gc_mark (book->bookpaper_->self_scm ());
+#if 0
+  if (book->key_)
+    scm_gc_mark (book->key_->self_scm());
+#endif
+  if (book->paper_)
+    scm_gc_mark (book->paper_->self_scm ());
   return book->header_;
 }
 
@@ -61,58 +64,89 @@ Book::print_smob (SCM, SCM p, scm_print_state*)
   return 1;
 }
 
-/*
-  This function does not dump the output; outname is required eg. for
-  dumping header fields.
- */
+/* This function does not dump the output; outname is required eg. for
+   dumping header fields.  */
 Paper_book *
 Book::process (String outname, Output_def *default_def)
 {
+  bool error = false;
+  for (int i = 0; i < scores_.size(); i++)
+    error = error || scores_[i]->error_found_;
+
+  if (error)
+    return 0;
+
   Paper_book *paper_book = new Paper_book ();
-  Real scale = ly_scm2double (bookpaper_->c_variable ("outputscale"));
-  
-  Output_def * scaled_bookdef = scale_output_def (bookpaper_, scale);
+  Real scale = scm_to_double (paper_->c_variable ("outputscale"));
+  Output_def * scaled_bookdef = scale_output_def (paper_, scale);
 
-  paper_book->bookpaper_ = scaled_bookdef;
+
+  Object_key * key = new Lilypond_general_key (0, user_key_, 0);
+  SCM  scm_key = key->self_scm();
+  scm_gc_unprotect_object (scm_key);
+  
+  paper_book->paper_ = scaled_bookdef;
   scm_gc_unprotect_object (scaled_bookdef->self_scm());
   
   paper_book->header_ = header_;
-  
   int score_count = scores_.size ();
   for (int i = 0; i < score_count; i++)
     {
       SCM systems = scores_[i]->book_rendering (outname,
-                                               paper_book->bookpaper_,
-                                               default_def);
-      if (systems != SCM_UNDEFINED)
+                                               paper_book->paper_,
+                                               default_def,
+                                               key
+                                               );
+      
+      /*
+       If the score is empty, generate no output.  Should we
+       do titling?
+      */
+      if (SCM_NFALSEP(scm_vector_p (systems)))
        {
-         Score_lines sc;
-         sc.lines_ = systems;
-         sc.header_ = header_;
-
-         paper_book->score_lines_.push (sc);
+         Score_systems sc;
+         sc.systems_ = systems;
+         sc.header_ = scores_[i]->header_;
+         paper_book->score_systems_.push (sc);
        }
     }
 
+
+  scm_remember_upto_here_1 (scm_key);
   return paper_book;
 }
 
-/* FIXME: WIP, this is a hack.  Return first page as stencil.  */
-SCM
-Book::to_stencil (Output_def *default_def)
+LY_DEFINE(ly_make_book, "ly:make-book",
+         2, 0, 1, (SCM paper, SCM header, SCM scores),
+         "Make a \\book of @var{paper} and @var{header} (which may be #f as well)  "
+         "containing @code{\\scores}.")
 {
-  Paper_book *paper_book = process ("<markup>", default_def);
+  Output_def * odef = unsmob_output_def (paper);
+  SCM_ASSERT_TYPE (odef, paper,
+                  SCM_ARG1, __FUNCTION__, "Output_def");
 
-  SCM pages = paper_book->pages ();
-  scm_gc_unprotect_object (paper_book->self_scm ());
+  Book *book = new Book;
+  book->paper_ = odef;
 
-  if (pages != SCM_EOL)
+  if (ly_c_module_p (header))
+    book->header_ = header;
+  
+  for (SCM s = scores; scm_is_pair (s); s = scm_cdr (s))
     {
-      progress_indication (_f ("paper output to `%s'...", "<markup>"));
-      return (unsmob_page (ly_car (pages)))->to_stencil ().smobbed_copy ();
+      Score *score = unsmob_score (scm_car (s));
+      if (score)
+       book->scores_.push (score);
     }
-
-  scm_gc_unprotect_object (paper_book->bookpaper_->self_scm ());
   
-  return SCM_EOL;
+  SCM x = book->self_scm ();
+  scm_gc_unprotect_object (x);
+  return x;
+}
+  
+
+void
+Book::add_score (Score *s)
+{
+  scores_.push (s);
+  scm_gc_unprotect_object (s->self_scm ());
 }