2 object-key-undumper.cc -- implement Object_key_undumper
4 source file of the GNU LilyPond music typesetter
6 (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "object-key-undumper.hh"
12 #include "ly-smobs.icc"
14 IMPLEMENT_SMOBS(Object_key_undumper);
15 IMPLEMENT_DEFAULT_EQUAL_P(Object_key_undumper);
18 Object_key_undumper::mark_smob (SCM smob)
20 Object_key_undumper * undumper = (Object_key_undumper*) SCM_CELL_WORD_1(smob);
21 for (Int_to_key_map::const_iterator i (undumper->keys_.begin());
22 i != undumper->keys_.end(); i++)
24 scm_gc_mark ((*i).second->self_scm ());
31 Object_key_undumper::print_smob (SCM s, SCM port, scm_print_state*)
33 scm_puts ("#<Object_key_undumper>", port);
38 Object_key_undumper::Object_key_undumper ()
44 LY_DEFINE(ly_undumper_read_keys, "ly:undumper-read-keys",
46 (SCM undumper, SCM keys),
47 "Read serialized @var{keys} into @var{undumper}."
50 Object_key_undumper *u = unsmob_key_undumper (undumper);
51 SCM_ASSERT_TYPE(u, undumper, SCM_ARG1, __FUNCTION__, "Undumper");
53 u->parse_contents (keys);
54 return SCM_UNSPECIFIED;
57 LY_DEFINE(ly_make_undumper, "ly:make-undumper",
60 "Create a key undumper. "
63 Object_key_undumper *u = new Object_key_undumper ();
64 SCM x = u->self_scm();
65 scm_gc_unprotect_object (x);
70 LY_DEFINE(ly_undumper_lookup, "ly:undumper-lookup",
72 (SCM undumper, SCM serial),
73 "Return the object key for number @var{serial}. "
77 Object_key_undumper* u = unsmob_key_undumper (undumper);
79 SCM_ASSERT_TYPE(u, undumper, SCM_ARG1, __FUNCTION__, "undumper");
80 SCM_ASSERT_TYPE(scm_is_integer(serial), serial, SCM_ARG2, __FUNCTION__, "integer");
81 return u->get_key (scm_to_int (serial))->self_scm();
86 Object_key_undumper::parse_contents (SCM contents)
88 for (SCM s = contents; scm_is_pair (s); s = scm_cdr (s))
90 SCM entry = scm_car (s);
91 if (scm_car (entry) != ly_symbol2scm ("define-key"))
95 int number = scm_to_int (scm_cadr (entry));
96 SCM skey = scm_caddr (entry);
98 SCM new_key = SCM_EOL;
100 for (SCM t = skey; scm_is_pair (t); t = scm_cdr (t))
102 SCM item = scm_car (t);
103 if (scm_is_pair (item)
104 && scm_car (item) == ly_symbol2scm ("key"))
106 int index = scm_to_int (scm_cadr (item));
107 Object_key const *key = get_key (index);
108 *tail = scm_cons (key->self_scm(), SCM_EOL);
112 *tail = scm_cons (item, SCM_EOL);
114 tail = SCM_CDRLOC(*tail);
117 Object_key *k = Object_key::undump (new_key);
119 scm_gc_unprotect_object (k->self_scm());
125 Object_key_undumper::get_key (int idx)
127 Int_to_key_map::const_iterator i (keys_.find (idx));
128 assert (i != keys_.end());
133 Object_key_undumper::~Object_key_undumper()