2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2002--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "grob-interface.hh"
23 #include "international.hh"
24 #include "protected-scm.hh"
25 #include "string-convert.hh"
29 SCM
add_interface (char const *cxx_name
,
33 string
suffix ("-interface");
34 string lispy_name
= camel_case_to_lisp_identifier (cxx_name
);
35 vsize end
= max (int (0), int (lispy_name
.length () - suffix
.length ()));
36 if (lispy_name
.substr (end
) != suffix
)
39 SCM s
= ly_symbol2scm (lispy_name
.c_str ());
40 SCM d
= scm_from_locale_string (descr
);
41 SCM l
= parse_symbol_list (vars
);
43 internal_add_interface (s
, d
, l
);
49 check_interfaces_for_property (Grob
const *me
, SCM sym
)
51 if (sym
== ly_symbol2scm ("meta"))
54 otherwise we get in a nasty recursion loop.
59 SCM ifs
= me
->interfaces ();
61 SCM all_ifaces
= ly_all_grob_interfaces ();
63 for (; !found
&& scm_is_pair (ifs
); ifs
= scm_cdr (ifs
))
65 SCM iface
= scm_hashq_ref (all_ifaces
, scm_car (ifs
), SCM_BOOL_F
);
66 if (iface
== SCM_BOOL_F
)
68 string msg
= to_string (_f ("Unknown interface `%s'",
69 ly_symbol2string (scm_car (ifs
)).c_str ()));
70 programming_error (msg
);
74 found
= found
|| (scm_c_memq (sym
, scm_caddr (iface
)) != SCM_BOOL_F
);
79 string str
= to_string (_f ("Grob `%s' has no interface for property `%s'",
81 ly_symbol2string (sym
).c_str ()));
82 programming_error (str
);