lily/book-scheme.cc

   1 /*
   2   book-scheme.cc -- implement Book bindings
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2004--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7 */
   8
   9 #include "book.hh"
  10
  11 #include "output-def.hh"
  12 #include "score.hh"
  13 #include "paper-book.hh"
  14 #include "ly-module.hh"
  15
  16 LY_DEFINE (ly_make_book, "ly:make-book",
  17            2, 0, 1, (SCM paper, SCM header, SCM scores),
  18            "Make a @code{\\book} of @var{paper} and @var{header}"
  19            " (which may be @code{#f} as well) containing @code{\\scores}.")
  20 {
  21   Output_def *odef = unsmob_output_def (paper);
  22   LY_ASSERT_SMOB (Output_def, paper, 1);
  23
  24   Book *book = new Book;
  25   book->paper_ = odef;
  26
  27   if (ly_is_module (header))
  28     book->header_ = header;
  29
  30   book->scores_ = scm_append (scm_list_2 (scores, book->scores_));
  31
  32   SCM x = book->self_scm ();
  33   book->unprotect ();
  34   return x;
  35 }
  36
  37 LY_DEFINE (ly_book_process, "ly:book-process",
  38            4, 0, 0, (SCM book_smob,
  39                      SCM default_paper,
  40                      SCM default_layout,
  41                      SCM output),
  42            "Print book.  @var{output} is passed to the backend unchanged."
  43            "  For example, it may be a string (for file based outputs)"
  44            " or a socket (for network based output).")
  45 {
  46   Book *book = unsmob_book (book_smob);
  47
  48   LY_ASSERT_SMOB (Book, book_smob, 1);
  49   LY_ASSERT_SMOB (Output_def, default_paper, 2);
  50   LY_ASSERT_SMOB (Output_def, default_layout, 3);
  51
  52   Paper_book *pb = book->process (unsmob_output_def (default_paper),
  53                                   unsmob_output_def (default_layout));
  54   if (pb)
  55     {
  56       pb->output (output);
  57       pb->unprotect ();
  58     }
  59
  60   return SCM_UNSPECIFIED;
  61 }
  62
  63
  64 LY_DEFINE (ly_book_process_to_systems, "ly:book-process-to-systems",
  65            4, 0, 0, (SCM book_smob,
  66                      SCM default_paper,
  67                      SCM default_layout,
  68                      SCM output),
  69            "Print book.  @var{output} is passed to the backend unchanged."
  70            "  For example, it may be a string (for file based outputs)"
  71            " or a socket (for network based output).")
  72 {
  73   LY_ASSERT_SMOB (Book, book_smob, 1);
  74   LY_ASSERT_SMOB (Output_def, default_paper, 2);
  75   LY_ASSERT_SMOB (Output_def, default_layout, 3);
  76
  77   Book *book = unsmob_book (book_smob);
  78
  79   Paper_book *pb = book->process (unsmob_output_def (default_paper),
  80                                   unsmob_output_def (default_layout));
  81   if (pb)
  82     {
  83       pb->classic_output (output);
  84       pb->unprotect ();
  85     }
  86
  87   return SCM_UNSPECIFIED;
  88 }
  89
  90 LY_DEFINE (ly_book_add_score_x, "ly:book-add-score!",
  91            2, 0, 0, (SCM book_smob, SCM score),
  92            "Add @var{score} to @var{book-smob} score list.")
  93 {
  94   LY_ASSERT_SMOB (Book, book_smob, 1);
  95   Book *book = unsmob_book (book_smob);
  96   book->add_score (score);
  97   return SCM_UNSPECIFIED;
  98 }