/*
- music-output-def.cc -- implement Music_output_def
+ music-output-def.cc -- implement Output_def
source file of the GNU LilyPond music typesetter
- (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "scm-hash.hh"
-
-#include "warn.hh"
-#include "music-output-def.hh"
-#include "global-translator.hh"
-#include "translator-def.hh"
-#include "main.hh"
+#include "book-paper-def.hh"
+#include "context-def.hh"
#include "file-path.hh"
+#include "global-context.hh"
#include "lily-guile.hh"
-#include "ly-modules.hh"
+#include "ly-module.hh"
+#include "main.hh"
+#include "output-def.hh"
+#include "output-def.hh"
+#include "scm-hash.hh"
+#include "warn.hh"
#include "ly-smobs.icc"
-Music_output_def::Music_output_def ()
+Output_def::Output_def ()
{
- scaled_fonts_ = SCM_EOL;
- translator_tab_ = new Scheme_hash_table;
scope_ = SCM_EOL;
+ parent_ = 0;
smobify_self ();
- scm_gc_unprotect_object (translator_tab_->self_scm ());
- scope_ = ly_make_anonymous_module();
+ scope_ = ly_make_anonymous_module (false);
}
-
-
-Music_output_def::~Music_output_def ()
+Output_def::~Output_def ()
{
}
-Music_output_def::Music_output_def (Music_output_def const &s)
+Output_def::Output_def (Output_def const &s)
{
scope_ = SCM_EOL;
- translator_tab_ = new Scheme_hash_table (*s.translator_tab_);
-
- scaled_fonts_ = SCM_EOL;
-
+ parent_ = 0;
smobify_self ();
- scm_gc_unprotect_object (translator_tab_->self_scm ());
-
- scaled_fonts_ = scm_list_copy (s.scaled_fonts_);
- scope_= ly_make_anonymous_module ();
- if (ly_module_p (s.scope_))
- ly_copy_module_variables (scope_, s.scope_);
+ scope_= ly_make_anonymous_module (false);
+ if (is_module (s.scope_))
+ ly_import_module (scope_, s.scope_);
}
-IMPLEMENT_SMOBS (Music_output_def);
-IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
+IMPLEMENT_SMOBS (Output_def);
+IMPLEMENT_DEFAULT_EQUAL_P (Output_def);
+
SCM
-Music_output_def::mark_smob (SCM m)
+Output_def::mark_smob (SCM m)
{
- Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
- scm_gc_mark (mo->translator_tab_->self_scm ());
- scm_gc_mark (mo->scope_);
+ Output_def * mo = (Output_def*) SCM_CELL_WORD_1 (m);
+
+ /*
+ FIXME: why is this necessary?
+ all bookpaper_ should be protected by themselves.
+ */
+ if (mo->parent_)
+ scm_gc_mark (mo->parent_->self_scm ());
+
- return mo->scaled_fonts_;
+ mo->derived_mark ();
+ return mo->scope_;
}
void
-Music_output_def::assign_translator (SCM transdef)
+Output_def::derived_mark () {}
+
+void
+assign_context_def (Output_def * m, SCM transdef)
{
- Translator_def *tp = unsmob_translator_def (transdef);
+ Context_def *tp = unsmob_context_def (transdef);
assert (tp);
- translator_tab_->set (tp->type_name_, transdef);
-
- String nm = ly_symbol2string (tp->type_name_) + "Context";
-
-
- scm_module_define (scope_, ly_symbol2scm (nm.to_str0()), transdef);
+ if (tp)
+ {
+ SCM sym = tp->get_context_name ();
+ scm_module_define (m->scope_, sym, transdef);
+ }
}
/*
find the translator for NAME. NAME must be a symbol.
- */
+*/
SCM
-Music_output_def::find_translator (SCM name) const
+find_context_def (Output_def const *m, SCM name)
{
- SCM val =SCM_EOL;
- translator_tab_->try_retrieve (name, &val);
- return val;
+ Context_def *cd = unsmob_context_def (m->lookup_variable (name));
+ return cd ? cd->self_scm () : SCM_EOL;
}
+int
+Output_def::print_smob (SCM s, SCM p, scm_print_state *)
+{
+ Output_def * def = unsmob_output_def (s);
+ scm_puts ("#< ", p);
+ scm_puts (classname (def), p);
+
+ (void)def;
+ scm_puts (">", p);
+ return 1;
+}
-Global_translator *
-Music_output_def::get_global_translator ()
+Real
+Output_def::get_dimension (SCM s) const
{
- SCM key = ly_symbol2scm ("Score");
- Translator_def * t = unsmob_translator_def (find_translator (key));
+ SCM val = lookup_variable (s);
+ return ly_scm2double (val);
+}
- if (!t)
- error (_f ("can't find `%s' context", "Score"));
- Translator_group * tg = t->instantiate (this);
+SCM
+Output_def::lookup_variable (SCM sym) const
+{
+ SCM var = ly_module_lookup (scope_, sym);
+ if (SCM_VARIABLEP (var))
+ return SCM_VARIABLE_REF (var);
- tg->initialize ();
+ if (parent_)
+ return parent_->lookup_variable (sym);
- return dynamic_cast <Global_translator *> (tg);
+ return SCM_EOL;
}
-int
-Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
+SCM
+Output_def::c_variable (String s) const
{
- Music_output_def * def = unsmob_music_output_def (s);
- scm_puts ("#<Music_output_def ", p);
- (void)def;
- scm_puts (">", p);
- return 1;
+ return lookup_variable (ly_symbol2scm (s.to_str0 ()));
}
+void
+Output_def::set_variable (SCM sym, SCM val)
+{
+ scm_module_define (scope_, sym, val);
+}
-SCM
-Music_output_def::get_scmvar (String s) const
+LY_DEFINE (ly_paper_lookup, "ly:output-def-lookup",
+ 2, 0, 0, (SCM pap, SCM sym),
+ "Lookup @var{sym} in @var{pap}. "
+ "Return the value or @code{'()} if undefined.")
{
- return lookup_variable (ly_symbol2scm (s.to_str0 ()));
+ Output_def *op = unsmob_output_def (pap);
+ SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Output_def");
+ SCM_ASSERT_TYPE (ly_c_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
+
+ return op->lookup_variable (sym);
+}
+
+LY_DEFINE (ly_output_def_scope, "ly:output-def-scope",
+ 1, 0,0, (SCM def),
+ "Get the variable scope inside @var{def}.")
+{
+ Output_def *op = unsmob_output_def (def);
+ SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+ return op->scope_;
}
-void
-Music_output_def::set_variable (SCM sym, SCM val)
+LY_DEFINE (ly_output_def_parent, "ly:output-def-parent",
+ 1, 0, 0, (SCM def),
+ "Get the parent output-def of @var{def}.")
{
- scm_module_define (scope_, sym, val);
+ Output_def *op = unsmob_output_def (def);
+ SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+ return op->parent_ ? op->parent_->self_scm () : SCM_EOL;
}
-SCM
-Music_output_def::lookup_variable (SCM sym) const
+
+LY_DEFINE (ly_output_def_clone, "ly:output-def-clone",
+ 1, 0, 0, (SCM def),
+ "Clone @var{def}.")
{
- SCM var = ly_module_lookup (scope_, sym);
+ Output_def *op = unsmob_output_def (def);
+ SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+ SCM s = op->clone ()->self_scm ();
+ scm_gc_unprotect_object (s);
+ return s;
+}
- return scm_variable_ref (var);
+LY_DEFINE(ly_output_description, "ly:output-description",
+ 1,0,0,
+ (SCM output_def),
+ "Return the description of translators in @var{output-def}.")
+{
+ Output_def *id = unsmob_output_def (output_def);
+
+ SCM al =ly_module_to_alist (id->scope_);
+
+ SCM l = SCM_EOL;
+ for (SCM s = al ; ly_c_pair_p (s); s = ly_cdr (s))
+ {
+ Context_def * td = unsmob_context_def (ly_cdar (s));
+ SCM key = ly_caar (s);
+ if (td && key == td->get_context_name ())
+ {
+
+ l = scm_cons (scm_cons (key, td->to_alist ()), l);
+ }
+ }
+ return l;
}
+
+
-LY_DEFINE(ly_paper_lookup,
- "ly:paper-lookup",
- 2, 0,0,
- (SCM pap, SCM sym),
- "Lookup @var{sym} in @var{pap}. Return the value "
- " or '() if undefined. "
- )
+#include "interval.hh"
+
+/* FIXME. This is broken until we have a generic way of
+ putting lists inside the \paper block. */
+Interval
+line_dimensions_int (Output_def *def, int n)
{
- Music_output_def *op = unsmob_music_output_def (pap);
- SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Paper");
- SCM_ASSERT_TYPE (gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
+ Real lw = def->get_dimension (ly_symbol2scm ("linewidth"));
+ Real ind = n ? 0.0 : def->get_dimension (ly_symbol2scm ("indent"));
- SCM v = op->lookup_variable (sym);
+ return Interval (ind, lw);
+}
- if (SCM_VARIABLEP(v))
- return SCM_VARIABLE_REF(v);
- else
- return SCM_EOL;
+LY_DEFINE (ly_paper_def_p, "ly:paper-def?",
+ 1, 0, 0, (SCM def),
+ "Is @var{def} a paper definition?")
+{
+ return ly_bool2scm (unsmob_output_def (def));
}
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