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/*
* CBOR for Ruby
*
* Copyright (C) 2013 Carsten Bormann
*
* Licensed under the Apache License, Version 2.0 (the "License").
*
* Based on:
***********/
/*
* MessagePack for Ruby
*
* Copyright (C) 2008-2013 Sadayuki Furuhashi
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "packer.h"
#ifdef RUBINIUS
static ID s_to_iter;
static ID s_next;
static ID s_key;
static ID s_value;
#endif
void msgpack_packer_static_init()
{
#ifdef RUBINIUS
s_to_iter = rb_intern("to_iter");
s_next = rb_intern("next");
s_key = rb_intern("key");
s_value = rb_intern("value");
#endif
}
void msgpack_packer_static_destroy()
{ }
void msgpack_packer_init(msgpack_packer_t* pk)
{
memset(pk, 0, sizeof(msgpack_packer_t));
msgpack_buffer_init(PACKER_BUFFER_(pk));
pk->io = Qnil;
}
void msgpack_packer_destroy(msgpack_packer_t* pk)
{
msgpack_buffer_destroy(PACKER_BUFFER_(pk));
}
void msgpack_packer_mark(msgpack_packer_t* pk)
{
rb_gc_mark(pk->io);
/* See MessagePack_Buffer_wrap */
/* msgpack_buffer_mark(PACKER_BUFFER_(pk)); */
rb_gc_mark(pk->buffer_ref);
}
void msgpack_packer_reset(msgpack_packer_t* pk)
{
msgpack_buffer_clear(PACKER_BUFFER_(pk));
pk->io = Qnil;
pk->io_write_all_method = 0;
pk->buffer_ref = Qnil;
}
void msgpack_packer_write_array_value(msgpack_packer_t* pk, VALUE v)
{
/* actual return type of RARRAY_LEN is long */
unsigned long len = RARRAY_LEN(v);
msgpack_packer_write_array_header(pk, len);
unsigned long i;
for(i=0; i < len; ++i) {
VALUE e = rb_ary_entry(v, i);
msgpack_packer_write_value(pk, e);
}
}
static int write_hash_foreach(VALUE key, VALUE value, VALUE pk_value)
{
if (key == Qundef) {
return ST_CONTINUE;
}
msgpack_packer_t* pk = (msgpack_packer_t*) pk_value;
msgpack_packer_write_value(pk, key);
msgpack_packer_write_value(pk, value);
return ST_CONTINUE;
}
void msgpack_packer_write_hash_value(msgpack_packer_t* pk, VALUE v)
{
/* actual return type of RHASH_SIZE is long (if SIZEOF_LONG == SIZEOF_VOIDP
* or long long (if SIZEOF_LONG_LONG == SIZEOF_VOIDP. See st.h. */
unsigned long len = RHASH_SIZE(v);
msgpack_packer_write_map_header(pk, len);
#ifdef RUBINIUS
VALUE iter = rb_funcall(v, s_to_iter, 0);
VALUE entry = Qnil;
while(RTEST(entry = rb_funcall(iter, s_next, 1, entry))) {
VALUE key = rb_funcall(entry, s_key, 0);
VALUE val = rb_funcall(entry, s_value, 0);
write_hash_foreach(key, val, (VALUE) pk);
}
#else
rb_hash_foreach(v, write_hash_foreach, (VALUE) pk);
#endif
}
static void _msgpack_packer_write_other_value(msgpack_packer_t* pk, VALUE v)
{
rb_funcall(v, pk->to_msgpack_method, 1, pk->to_msgpack_arg);
}
void msgpack_packer_write_value(msgpack_packer_t* pk, VALUE v)
{
switch(rb_type(v)) {
case T_NIL:
msgpack_packer_write_nil(pk);
break;
case T_TRUE:
msgpack_packer_write_true(pk);
break;
case T_FALSE:
msgpack_packer_write_false(pk);
break;
case T_FIXNUM:
msgpack_packer_write_fixnum_value(pk, v);
break;
case T_SYMBOL:
msgpack_packer_write_symbol_value(pk, v);
break;
case T_STRING:
msgpack_packer_write_string_value(pk, v);
break;
case T_ARRAY:
msgpack_packer_write_array_value(pk, v);
break;
case T_HASH:
msgpack_packer_write_hash_value(pk, v);
break;
case T_BIGNUM:
msgpack_packer_write_bignum_value(pk, v);
break;
case T_FLOAT:
msgpack_packer_write_float_value(pk, v);
break;
default:
_msgpack_packer_write_other_value(pk, v);
}
}
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