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/*
Copyright (C) 2001-2009, Parrot Foundation.
$Id$
=head1 NAME
src/pmc/hashiteratorkey.pmc - accessor for single value during hash iteration.
=head1 DESCRIPTION
Single (key,value) pair.
=head1 Methods
=over 4
=cut
*/
/* HEADERIZER HFILE: none */
/* HEADERIZER BEGIN: static */
/* HEADERIZER END: static */
pmclass HashIteratorKey no_ro auto_attrs {
ATTR Hash *parrot_hash; /* Underlying parrot's hash */
ATTR HashBucket *bucket; /* Current bucket from HashItertor */
/*
=item C<get_pmc()>
Get "key".
=cut
*/
VTABLE PMC* get_pmc() {
Parrot_HashIteratorKey_attributes *attrs =
PARROT_HASHITERATORKEY(SELF);
/* TT #1080 & TT #1081 Wallpapering problem with NULL attributes */
if (!attrs->parrot_hash || !attrs->bucket)
return PMCNULL;
return hash_key_to_pmc(INTERP, attrs->parrot_hash, attrs->bucket->key);
}
METHOD key() {
PMC *ret = SELF.get_pmc();
RETURN(PMC* ret);
}
METHOD value() {
Parrot_HashIteratorKey_attributes *attrs =
PARROT_HASHITERATORKEY(SELF);
PMC *ret = hash_value_to_pmc(INTERP, attrs->parrot_hash, attrs->bucket->value);
RETURN(PMC* ret);
}
VTABLE INTVAL get_integer() {
return -1;
}
VTABLE STRING* get_string() {
Parrot_HashIteratorKey_attributes *attrs =
PARROT_HASHITERATORKEY(SELF);
/* TT #1080 & TT #1081 Wallpapering problem with NULL attributes */
if (!attrs->parrot_hash || !attrs->bucket)
return CONST_STRING(INTERP, "");
return hash_key_to_string(INTERP, attrs->parrot_hash, attrs->bucket->key);
}
/*
=item C<set_pointer_keyed_int()>
Set pointers to Hash and HashBucket. Not really part of public API.
=cut
*/
VTABLE void set_pointer_keyed_int(INTVAL key, void *value) {
Parrot_HashIteratorKey_attributes *attrs =
PARROT_HASHITERATORKEY(SELF);
PARROT_ASSERT_MSG(value, "Can't set NULL pointer into HashIteratorKey");
if (key == 0) {
attrs->parrot_hash = (Hash*)value;
}
else if (key == 1) {
attrs->bucket = (HashBucket*)value;
}
}
}
/*
=back
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4:
*/
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