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jruby/cext/src/hash.cpp at prepend · MSNexploder/jruby · GitHub
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/*
**** BEGIN LICENSE BLOCK *****
* Version: EPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2008,2009 Wayne Meissner
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK ****
*/
#
include
"
jruby.h
"
#
include
"
ruby.h
"
#
include
"
st.h
"
using
namespace
jruby
;
/*
Hash
*/
extern
"
C
"
VALUE
rb_hash_new
(
void
)
{
return
callMethod
(rb_cHash,
"
new
"
,
0
);
}
extern
"
C
"
VALUE
rb_hash_aref
(
VALUE
hash,
VALUE
key)
{
return
callMethod
(hash,
"
[]
"
,
1
, key);
}
extern
"
C
"
VALUE
rb_hash_lookup
(
VALUE
hash,
VALUE
key)
{
if
(
RTEST
(
callMethod
(hash,
"
has_key?
"
,
1
, key))) {
return
rb_hash_aref
(hash, key);
}
return
Qnil;
//
without Hash#default
}
extern
"
C
"
VALUE
rb_hash_aset
(
VALUE
hash,
VALUE
key,
VALUE
val)
{
return
callMethod
(hash,
"
[]=
"
,
2
, key, val);
}
extern
"
C
"
VALUE
rb_hash_delete
(
VALUE
hash,
VALUE
key)
{
return
callMethod
(hash,
"
delete
"
,
1
, key);
}
extern
"
C
"
VALUE
rb_hash_size
(
VALUE
hash)
{
return
callMethod
(hash,
"
size
"
,
0
);
}
extern
"
C
"
void
rb_hash_foreach
(
VALUE
hash,
int
(*func)(
ANYARGS
), VALUE arg)
{
long
size =
NUM2LONG
(
rb_hash_size
(hash));
if
(size ==
0
)
return
;
VALUE
hash_array =
callMethod
(hash,
"
to_a
"
,
0
);
for
(
long
i =
0
; i < size; i++) {
VALUE
key_value_ary =
rb_ary_entry
(hash_array, i);
VALUE
key =
rb_ary_entry
(key_value_ary,
0
);
VALUE
value =
rb_ary_entry
(key_value_ary,
1
);
int
ret = (*func)(key, value, arg);
switch
(ret) {
case
ST_CONTINUE
:
continue
;
case
ST_STOP
:
return
;
case
ST_DELETE
:
callMethod
(hash,
"
delete
"
,
1
, key);
continue
;
default
:
rb_raise
(rb_eArgError,
"
unsupported hash_foreach value
"
);
}
}
}
extern
"
C
"
VALUE
rb_hash_delete_if
(
VALUE
obj)
{
if
(
rb_block_given_p
()) {
return
jruby_funcall2b
(obj,
rb_intern
(
"
delete_if
"
),
0
,
NULL
,
rb_block_proc
());
}
else
{
return
callMethod
(obj,
"
delete_if
"
,
0
,
NULL
);
}
}
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