/*
- stream-event.cc -- implement Scheme bindings for Stream_event
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2006--2014 Erik Sandberg <mandolaerik@gmail.com>
- (c) 2006--2007 Erik Sandberg <mandolaerik@gmail.com>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stream-event.hh"
+LY_DEFINE (ly_stream_event_p, "ly:stream-event?",
+ 1, 0, 0, (SCM obj),
+ "Is @code{@var{obj}} a @code{Stream_event} object?")
+{
+ return scm_from_bool (unsmob_stream_event (obj));
+}
+
LY_DEFINE (ly_make_stream_event, "ly:make-stream-event",
- 1, 1, 0, (SCM cl, SCM proplist),
- "Creates a stream event of class @var{cl} with the given mutable property list.\n" )
+ 1, 1, 0, (SCM cl, SCM proplist),
+ "Create a stream event of class @var{cl} with the given"
+ " mutable property list.")
{
- LY_ASSERT_TYPE (ly_is_symbol, cl, 1);
+ LY_ASSERT_TYPE (ly_is_pair, cl, 1);
/* should be scm_list_p, but scm_list_p is expensive. */
- LY_ASSERT_TYPE(scm_is_pair, proplist, 2);
-
+ LY_ASSERT_TYPE (scm_is_pair, proplist, 2);
+
if (proplist == SCM_UNDEFINED)
proplist = SCM_EOL;
return e->unprotect ();
}
-LY_DEFINE (ly_event_property, "ly:event-property",
- 2, 0, 0, (SCM sev, SCM sym),
- "Get the property @var{sym} of stream event @var{mus}.\n"
- "If @var{sym} is undefined, return @code{'()}.\n")
+LY_DEFINE (ly_event_property, "ly:event-property",
+ 2, 1, 0, (SCM sev, SCM sym, SCM val),
+ "Get the property @var{sym} of stream event @var{sev}."
+ " If @var{sym} is undefined, return @var{val} or"
+ " @code{'()} if @var{val} is not specified.")
{
- LY_ASSERT_SMOB (Stream_event, sev, 1);
- LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
-
- Stream_event *e = unsmob_stream_event (sev);
-
- return e->internal_get_property (sym);
+ LY_ASSERT_TYPE (unsmob_stream_event, sev, 1)
+ return ly_prob_property (sev, sym, val);
}
LY_DEFINE (ly_event_set_property_x, "ly:event-set-property!",
3, 0, 0, (SCM ev, SCM sym, SCM val),
"Set property @var{sym} in event @var{ev} to @var{val}.")
{
- LY_ASSERT_SMOB (Stream_event, ev, 1);
+ LY_ASSERT_TYPE (unsmob_stream_event, ev, 1);
LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
-
+
return ly_prob_set_property_x (ev, sym, val);
}
LY_DEFINE (ly_event_deep_copy, "ly:event-deep-copy",
- 1, 0, 0, (SCM m),
- "Copy @var{m} and all sub expressions of @var{m}")
+ 1, 0, 0, (SCM m),
+ "Copy @var{m} and all sub expressions of@tie{}@var{m}.")
{
SCM copy = m;
if (Stream_event *ev = unsmob_stream_event (m))
}
else if (scm_is_pair (m))
copy = scm_cons (ly_event_deep_copy (scm_car (m)),
- ly_event_deep_copy (scm_cdr (m)));
+ ly_event_deep_copy (scm_cdr (m)));
return copy;
}