source file of the GNU LilyPond music typesetter
- (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "book.hh"
paper_->unprotect ();
}
paper_->parent_ = parent->paper_;
-
- if ((header_ == SCM_EOL) && (scm_is_null (parent->bookparts_)))
+ /* If this part is the first child of parent, copy its header */
+ if (ly_is_module (parent->header_) && (scm_is_null (parent->bookparts_)))
{
- /* If this is the first part, and it has no header, copy the
- * parent header */
- header_ = ly_make_anonymous_module (false);
- if (ly_is_module (parent->header_))
- ly_module_copy (header_, parent->header_);
+ SCM tmp_header = ly_make_anonymous_module (false);
+ ly_module_copy (tmp_header, parent->header_);
+ if (ly_is_module (header_))
+ ly_module_copy (tmp_header, header_);
+ header_ = tmp_header;
}
}
+/* Before an explicit \bookpart is encountered, scores are added to the book.
+ * But once a bookpart is added, the previous scores shall be collected into
+ * a new bookpart.
+ */
void
-Book::add_bookpart ()
+Book::add_scores_to_bookpart ()
{
if (scm_is_pair (scores_))
{
void
Book::add_bookpart (SCM b)
{
- add_bookpart ();
+ add_scores_to_bookpart ();
Book *part = unsmob_book (b);
part->set_parent (this);
bookparts_ = scm_cons (b, bookparts_);
for (SCM part = bookparts_; scm_is_pair (part); part = scm_cdr (part))
if (Book *bookpart = unsmob_book (scm_car (part)))
if (bookpart->error_found ())
- return true;
+ return true;
return false;
}
return process (default_paper, default_layout, 0);
}
+void
+Book::process_bookparts (Paper_book *output_paper_book, Output_def *paper, Output_def *layout)
+{
+ add_scores_to_bookpart ();
+ for (SCM p = scm_reverse (bookparts_); scm_is_pair (p); p = scm_cdr (p))
+ {
+ if (Book *book = unsmob_book (scm_car (p)))
+ {
+ Paper_book *paper_book_part = book->process (paper, layout, output_paper_book);
+ if (paper_book_part)
+ {
+ output_paper_book->add_bookpart (paper_book_part->self_scm ());
+ paper_book_part->unprotect ();
+ }
+ }
+ }
+ /* In a Paper_book, bookparts are stored in straight order */
+ output_paper_book->bookparts_ = scm_reverse_x (output_paper_book->bookparts_, SCM_EOL);
+}
+
+void
+Book::process_score (SCM s, Paper_book *output_paper_book, Output_def *layout)
+{
+ if (Score *score = unsmob_score (scm_car (s)))
+ {
+ SCM outputs = score
+ ->book_rendering (output_paper_book->paper_, layout);
+
+ while (scm_is_pair (outputs))
+ {
+ Music_output *output = unsmob_music_output (scm_car (outputs));
+
+ if (Performance *perf = dynamic_cast<Performance *> (output))
+ output_paper_book->add_performance (perf->self_scm ());
+ else if (Paper_score *pscore = dynamic_cast<Paper_score *> (output))
+ {
+ if (ly_is_module (score->get_header ()))
+ output_paper_book->add_score (score->get_header ());
+ output_paper_book->add_score (pscore->self_scm ());
+ }
+
+ outputs = scm_cdr (outputs);
+ }
+ }
+ else if (Text_interface::is_markup_list (scm_car (s))
+ || unsmob_page_marker (scm_car (s)))
+ output_paper_book->add_score (scm_car (s));
+ else
+ assert (0);
+
+}
+
/* Concatenate all score or book part outputs into a Paper_book
*/
Paper_book *
Book::process (Output_def *default_paper,
Output_def *default_layout,
- Output_def *parent_paper)
+ Paper_book *parent_part)
{
Output_def *paper = paper_ ? paper_ : default_paper;
/* If top book, recursively check score errors */
- if (!parent_paper && error_found ())
+ if (!parent_part && error_found ())
return 0;
if (!paper)
Real scale = scm_to_double (paper->c_variable ("output-scale"));
Output_def *scaled_bookdef = scale_output_def (paper, scale);
paper_book->paper_ = scaled_bookdef;
- if (parent_paper)
- paper_book->paper_->parent_ = parent_paper;
+ if (parent_part)
+ {
+ paper_book->parent_ = parent_part;
+ paper_book->paper_->parent_ = parent_part->paper_;
+ }
paper_book->header_ = header_;
+ scaled_bookdef->unprotect ();
if (scm_is_pair (bookparts_))
{
/* Process children book parts */
- add_bookpart ();
- for (SCM p = scm_reverse (bookparts_); scm_is_pair (p); p = scm_cdr (p))
- {
- if (Book *book = unsmob_book (scm_car (p)))
- {
- Paper_book *paper_book_part = book
- ->process (paper, default_layout, paper_book->paper_);
- if (paper_book_part)
- paper_book->add_bookpart (paper_book_part->self_scm ());
- }
- }
+ process_bookparts (paper_book, paper, default_layout);
}
else
{
/* Process scores */
- /* Render in order of parsing. */
+ /* Render in order of parsing. */
for (SCM s = scm_reverse (scores_); scm_is_pair (s); s = scm_cdr (s))
{
- if (Score *score = unsmob_score (scm_car (s)))
- {
- SCM outputs = score
- ->book_rendering (paper_book->paper_, default_layout);
-
- while (scm_is_pair (outputs))
- {
- Music_output *output = unsmob_music_output (scm_car (outputs));
-
- if (Performance *perf = dynamic_cast<Performance *> (output))
- paper_book->add_performance (perf->self_scm ());
- else if (Paper_score *pscore = dynamic_cast<Paper_score *> (output))
- {
- if (ly_is_module (score->get_header ()))
- paper_book->add_score (score->get_header ());
- paper_book->add_score (pscore->self_scm ());
- }
-
- outputs = scm_cdr (outputs);
- }
- }
- else if (Text_interface::is_markup_list (scm_car (s))
- || unsmob_page_marker (scm_car (s)))
- paper_book->add_score (scm_car (s));
- else
- assert (0);
+ process_score (s, paper_book, default_layout);
}
}