trim example.

[lilypond.git] / lily / book.cc

diff --git a/lily/book.cc b/lily/book.cc
index 0c3106e3fa2037ff9c8240eff1f4154331e34225..f307bcf3c31c830a1523f29788c828c71ef6bece 100644 (file)
--- a/lily/book.cc
+++ b/lily/book.cc
@@ -3,17 +3,16 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "book.hh"
 
 #include <cstdio>
+using namespace std;
 
 #include "lilypond-key.hh"
-#include "global-context.hh"
 #include "main.hh"
-#include "music-iterator.hh"
 #include "music-output.hh"
 #include "music.hh"
 #include "output-def.hh"
@@ -22,19 +21,53 @@
 #include "stencil.hh"
 #include "text-interface.hh"
 #include "warn.hh"
-
 #include "performance.hh"
 #include "paper-score.hh"
 
 #include "ly-smobs.icc"
 
 Book::Book ()
-  : Input ()
 {
   paper_ = 0;
   header_ = SCM_EOL;
   scores_ = SCM_EOL;
+  input_location_ = SCM_EOL;
   smobify_self ();
+
+  input_location_ = make_input (Input ());
+}
+
+Book::Book (Book const &s)
+{
+  paper_ = 0;
+  header_ = SCM_EOL;
+  scores_ = SCM_EOL;
+  input_location_ = SCM_EOL;
+  smobify_self ();
+
+  if (s.paper_)
+    paper_ = s.paper_->clone ();
+  
+  input_location_ = make_input (*s.origin ());
+  header_ = ly_make_anonymous_module (false);
+  if (ly_is_module (s.header_))
+    ly_module_copy (header_, s.header_);
+
+  SCM *t = &scores_;
+  for (SCM p = s.scores_; scm_is_pair (p); p = scm_cdr (p))
+    {
+      Score *newscore = unsmob_score (scm_car (p))->clone ();
+
+      *t = scm_cons (newscore->self_scm (), SCM_EOL);
+      t = SCM_CDRLOC(*t);
+      newscore->unprotect ();
+    }
+}
+
+Input *
+Book::origin () const
+{
+  return unsmob_input (input_location_);
 }
 
 Book::~Book ()
@@ -57,7 +90,8 @@ Book::mark_smob (SCM s)
   if (book->paper_)
     scm_gc_mark (book->paper_->self_scm ());
   scm_gc_mark (book->scores_);
-
+  scm_gc_mark (book->input_location_);
+  
   return book->header_;
 }
 
@@ -74,21 +108,24 @@ Book::add_score (SCM s)
   scores_ = scm_cons (s, scores_);
 }
 
+
 /* Concatenate all score outputs into a Paper_book
  */
 Paper_book *
 Book::process (Output_def *default_paper,
               Output_def *default_layout)
 {
-  for (SCM s = scores_; s != SCM_EOL; s = scm_cdr (s))
+  for (SCM s = scores_; scm_is_pair (s); s = scm_cdr (s))
     if (Score *score = unsmob_score (scm_car (s)))
       if (score->error_found_)
        return 0;
 
-  Output_def *paper = paper_ ? default_paper : paper_;
-
+  Output_def *paper = paper_ ? paper_ : default_paper;
+  if (!paper)
+    return 0;
+  
   Paper_book *paper_book = new Paper_book ();
-  Real scale = scm_to_double (paper->c_variable ("outputscale"));
+  Real scale = scm_to_double (paper->c_variable ("output-scale"));
   Output_def *scaled_bookdef = scale_output_def (paper, scale);
 
   Object_key *key = new Lilypond_general_key (0, user_key_, 0);
@@ -100,7 +137,7 @@ Book::process (Output_def *default_paper,
   paper_book->header_ = header_;
 
   /* Render in order of parsing.  */
-  for (SCM s = scm_reverse (scores_); s != SCM_EOL; s = scm_cdr (s))
+  for (SCM s = scm_reverse (scores_); scm_is_pair (s); s = scm_cdr (s))
     {
       if (Score *score = unsmob_score (scm_car (s)))
        {
@@ -115,10 +152,9 @@ Book::process (Output_def *default_paper,
                paper_book->add_performance (perf->self_scm ());
              else if (Paper_score *pscore = dynamic_cast<Paper_score *> (output))
                {
-                 SCM systems = pscore->get_paper_systems ();
                  if (ly_is_module (score->header_))
                    paper_book->add_score (score->header_);
-                 paper_book->add_score (systems);
+                 paper_book->add_score (pscore->self_scm ());
                }
 
              outputs = scm_cdr (outputs);
@@ -133,3 +169,4 @@ Book::process (Output_def *default_paper,
   scm_remember_upto_here_1 (scm_key);
   return paper_book;
 }
+