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/*
* 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 "compat.h"
#include "ruby.h"
#include "packer.h"
#include "packer_class.h"
#include "buffer_class.h"
#include "factory_class.h"
VALUE cMessagePack_Packer;
static ID s_to_msgpack;
static ID s_write;
//static VALUE s_packer_value;
//static msgpack_packer_t* s_packer;
#define PACKER(from, name) \
msgpack_packer_t* name; \
Data_Get_Struct(from, msgpack_packer_t, name); \
if(name == NULL) { \
rb_raise(rb_eArgError, "NULL found for " # name " when shouldn't be."); \
}
static void Packer_free(msgpack_packer_t* pk)
{
if(pk == NULL) {
return;
}
msgpack_packer_ext_registry_destroy(&pk->ext_registry);
msgpack_packer_destroy(pk);
xfree(pk);
}
static void Packer_mark(msgpack_packer_t* pk)
{
msgpack_packer_mark(pk);
msgpack_packer_ext_registry_mark(&pk->ext_registry);
}
VALUE MessagePack_Packer_alloc(VALUE klass)
{
msgpack_packer_t* pk = ZALLOC_N(msgpack_packer_t, 1);
msgpack_packer_init(pk);
VALUE self = Data_Wrap_Struct(klass, Packer_mark, Packer_free, pk);
msgpack_packer_set_to_msgpack_method(pk, s_to_msgpack, self);
return self;
}
VALUE MessagePack_Packer_initialize(int argc, VALUE* argv, VALUE self)
{
VALUE io = Qnil;
VALUE options = Qnil;
if(argc == 0 || (argc == 1 && argv[0] == Qnil)) {
/* Qnil */
} else if(argc == 1) {
VALUE v = argv[0];
if(rb_type(v) == T_HASH) {
options = v;
} else {
io = v;
}
} else if(argc == 2) {
io = argv[0];
options = argv[1];
if(rb_type(options) != T_HASH) {
rb_raise(rb_eArgError, "expected Hash but found %s.", rb_obj_classname(options));
}
} else {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0..2)", argc);
}
PACKER(self, pk);
msgpack_packer_ext_registry_init(&pk->ext_registry);
pk->buffer_ref = MessagePack_Buffer_wrap(PACKER_BUFFER_(pk), self);
MessagePack_Buffer_set_options(PACKER_BUFFER_(pk), io, options);
if(options != Qnil) {
VALUE v;
v = rb_hash_aref(options, ID2SYM(rb_intern("compatibility_mode")));
msgpack_packer_set_compat(pk, RTEST(v));
}
return self;
}
static VALUE Packer_compatibility_mode_p(VALUE self)
{
PACKER(self, pk);
return pk->compatibility_mode ? Qtrue : Qfalse;
}
static VALUE Packer_buffer(VALUE self)
{
PACKER(self, pk);
return pk->buffer_ref;
}
static VALUE Packer_write(VALUE self, VALUE v)
{
PACKER(self, pk);
msgpack_packer_write_value(pk, v);
return self;
}
static VALUE Packer_write_nil(VALUE self)
{
PACKER(self, pk);
msgpack_packer_write_nil(pk);
return self;
}
static VALUE Packer_write_true(VALUE self)
{
PACKER(self, pk);
msgpack_packer_write_true(pk);
return self;
}
static VALUE Packer_write_false(VALUE self)
{
PACKER(self, pk);
msgpack_packer_write_false(pk);
return self;
}
static VALUE Packer_write_float(VALUE self, VALUE obj)
{
PACKER(self, pk);
msgpack_packer_write_float_value(pk, obj);
return self;
}
static VALUE Packer_write_string(VALUE self, VALUE obj)
{
PACKER(self, pk);
Check_Type(obj, T_STRING);
msgpack_packer_write_string_value(pk, obj);
return self;
}
static VALUE Packer_write_bin(VALUE self, VALUE obj)
{
PACKER(self, pk);
Check_Type(obj, T_STRING);
VALUE enc = rb_enc_from_encoding(rb_ascii8bit_encoding());
obj = rb_str_encode(obj, enc, 0, Qnil);
msgpack_packer_write_string_value(pk, obj);
return self;
}
static VALUE Packer_write_array(VALUE self, VALUE obj)
{
PACKER(self, pk);
Check_Type(obj, T_ARRAY);
msgpack_packer_write_array_value(pk, obj);
return self;
}
static VALUE Packer_write_hash(VALUE self, VALUE obj)
{
PACKER(self, pk);
Check_Type(obj, T_HASH);
msgpack_packer_write_hash_value(pk, obj);
return self;
}
static VALUE Packer_write_symbol(VALUE self, VALUE obj)
{
PACKER(self, pk);
Check_Type(obj, T_SYMBOL);
msgpack_packer_write_symbol_value(pk, obj);
return self;
}
static VALUE Packer_write_int(VALUE self, VALUE obj)
{
PACKER(self, pk);
if (FIXNUM_P(obj)) {
msgpack_packer_write_fixnum_value(pk, obj);
} else {
Check_Type(obj, T_BIGNUM);
msgpack_packer_write_bignum_value(pk, obj);
}
return self;
}
static VALUE Packer_write_extension(VALUE self, VALUE obj)
{
PACKER(self, pk);
Check_Type(obj, T_STRUCT);
int ext_type = FIX2INT(RSTRUCT_GET(obj, 0));
if(ext_type < -128 || ext_type > 127) {
rb_raise(rb_eRangeError, "integer %d too big to convert to `signed char'", ext_type);
}
VALUE payload = RSTRUCT_GET(obj, 1);
StringValue(payload);
msgpack_packer_write_ext(pk, ext_type, payload);
return self;
}
static VALUE Packer_write_array_header(VALUE self, VALUE n)
{
PACKER(self, pk);
msgpack_packer_write_array_header(pk, NUM2UINT(n));
return self;
}
static VALUE Packer_write_map_header(VALUE self, VALUE n)
{
PACKER(self, pk);
msgpack_packer_write_map_header(pk, NUM2UINT(n));
return self;
}
static VALUE Packer_write_bin_header(VALUE self, VALUE n)
{
PACKER(self, pk);
msgpack_packer_write_bin_header(pk, NUM2UINT(n));
return self;
}
static VALUE Packer_write_float32(VALUE self, VALUE numeric)
{
if(!rb_obj_is_kind_of(numeric, rb_cNumeric)) {
rb_raise(rb_eArgError, "Expected numeric");
}
PACKER(self, pk);
msgpack_packer_write_float(pk, (float)rb_num2dbl(numeric));
return self;
}
static VALUE Packer_write_ext(VALUE self, VALUE type, VALUE data)
{
PACKER(self, pk);
int ext_type = NUM2INT(type);
if(ext_type < -128 || ext_type > 127) {
rb_raise(rb_eRangeError, "integer %d too big to convert to `signed char'", ext_type);
}
StringValue(data);
msgpack_packer_write_ext(pk, ext_type, data);
return self;
}
static VALUE Packer_flush(VALUE self)
{
PACKER(self, pk);
msgpack_buffer_flush(PACKER_BUFFER_(pk));
return self;
}
static VALUE Packer_clear(VALUE self)
{
PACKER(self, pk);
msgpack_buffer_clear(PACKER_BUFFER_(pk));
return Qnil;
}
static VALUE Packer_size(VALUE self)
{
PACKER(self, pk);
size_t size = msgpack_buffer_all_readable_size(PACKER_BUFFER_(pk));
return SIZET2NUM(size);
}
static VALUE Packer_empty_p(VALUE self)
{
PACKER(self, pk);
if(msgpack_buffer_top_readable_size(PACKER_BUFFER_(pk)) == 0) {
return Qtrue;
} else {
return Qfalse;
}
}
static VALUE Packer_to_str(VALUE self)
{
PACKER(self, pk);
return msgpack_buffer_all_as_string(PACKER_BUFFER_(pk));
}
static VALUE Packer_to_a(VALUE self)
{
PACKER(self, pk);
return msgpack_buffer_all_as_string_array(PACKER_BUFFER_(pk));
}
static VALUE Packer_write_to(VALUE self, VALUE io)
{
PACKER(self, pk);
size_t sz = msgpack_buffer_flush_to_io(PACKER_BUFFER_(pk), io, s_write, true);
return ULONG2NUM(sz);
}
//static VALUE Packer_append(VALUE self, VALUE string_or_buffer)
//{
// PACKER(self, pk);
//
// // TODO if string_or_buffer is a Buffer
// VALUE string = string_or_buffer;
//
// msgpack_buffer_append_string(PACKER_BUFFER_(pk), string);
//
// return self;
//}
static VALUE Packer_registered_types_internal(VALUE self)
{
PACKER(self, pk);
#ifdef HAVE_RB_HASH_DUP
return rb_hash_dup(pk->ext_registry.hash);
#else
return rb_funcall(pk->ext_registry.hash, rb_intern("dup"), 0);
#endif
}
static VALUE Packer_register_type(int argc, VALUE* argv, VALUE self)
{
PACKER(self, pk);
int ext_type;
VALUE ext_module;
VALUE proc;
VALUE arg;
switch (argc) {
case 2:
/* register_type(0x7f, Time) {|obj| block... } */
rb_need_block();
#ifdef HAVE_RB_BLOCK_LAMBDA
proc = rb_block_lambda();
#else
/* MRI 1.8 */
proc = rb_block_proc();
#endif
arg = proc;
break;
case 3:
/* register_type(0x7f, Time, :to_msgpack_ext) */
arg = argv[2];
proc = rb_funcall(arg, rb_intern("to_proc"), 0);
break;
default:
rb_raise(rb_eArgError, "wrong number of arguments (%d for 2..3)", argc);
}
ext_type = NUM2INT(argv[0]);
if(ext_type < -128 || ext_type > 127) {
rb_raise(rb_eRangeError, "integer %d too big to convert to `signed char'", ext_type);
}
ext_module = argv[1];
if(rb_type(ext_module) != T_MODULE && rb_type(ext_module) != T_CLASS) {
rb_raise(rb_eArgError, "expected Module/Class but found %s.", rb_obj_classname(ext_module));
}
msgpack_packer_ext_registry_put(&pk->ext_registry, ext_module, ext_type, proc, arg);
if (ext_module == rb_cSymbol) {
pk->has_symbol_ext_type = true;
}
return Qnil;
}
VALUE Packer_full_pack(VALUE self)
{
VALUE retval;
PACKER(self, pk);
if(msgpack_buffer_has_io(PACKER_BUFFER_(pk))) {
msgpack_buffer_flush(PACKER_BUFFER_(pk));
retval = Qnil;
} else {
retval = msgpack_buffer_all_as_string(PACKER_BUFFER_(pk));
}
msgpack_buffer_clear(PACKER_BUFFER_(pk)); /* to free rmem before GC */
return retval;
}
void MessagePack_Packer_module_init(VALUE mMessagePack)
{
s_to_msgpack = rb_intern("to_msgpack");
s_write = rb_intern("write");
msgpack_packer_static_init();
msgpack_packer_ext_registry_static_init();
cMessagePack_Packer = rb_define_class_under(mMessagePack, "Packer", rb_cObject);
rb_define_alloc_func(cMessagePack_Packer, MessagePack_Packer_alloc);
rb_define_method(cMessagePack_Packer, "initialize", MessagePack_Packer_initialize, -1);
rb_define_method(cMessagePack_Packer, "compatibility_mode?", Packer_compatibility_mode_p, 0);
rb_define_method(cMessagePack_Packer, "buffer", Packer_buffer, 0);
rb_define_method(cMessagePack_Packer, "write", Packer_write, 1);
rb_define_alias(cMessagePack_Packer, "pack", "write");
rb_define_method(cMessagePack_Packer, "write_nil", Packer_write_nil, 0);
rb_define_method(cMessagePack_Packer, "write_true", Packer_write_true, 0);
rb_define_method(cMessagePack_Packer, "write_false", Packer_write_false, 0);
rb_define_method(cMessagePack_Packer, "write_float", Packer_write_float, 1);
rb_define_method(cMessagePack_Packer, "write_string", Packer_write_string, 1);
rb_define_method(cMessagePack_Packer, "write_bin", Packer_write_bin, 1);
rb_define_method(cMessagePack_Packer, "write_array", Packer_write_array, 1);
rb_define_method(cMessagePack_Packer, "write_hash", Packer_write_hash, 1);
rb_define_method(cMessagePack_Packer, "write_symbol", Packer_write_symbol, 1);
rb_define_method(cMessagePack_Packer, "write_int", Packer_write_int, 1);
rb_define_method(cMessagePack_Packer, "write_extension", Packer_write_extension, 1);
rb_define_method(cMessagePack_Packer, "write_array_header", Packer_write_array_header, 1);
rb_define_method(cMessagePack_Packer, "write_map_header", Packer_write_map_header, 1);
rb_define_method(cMessagePack_Packer, "write_bin_header", Packer_write_bin_header, 1);
rb_define_method(cMessagePack_Packer, "write_ext", Packer_write_ext, 2);
rb_define_method(cMessagePack_Packer, "write_float32", Packer_write_float32, 1);
rb_define_method(cMessagePack_Packer, "flush", Packer_flush, 0);
/* delegation methods */
rb_define_method(cMessagePack_Packer, "clear", Packer_clear, 0);
rb_define_method(cMessagePack_Packer, "size", Packer_size, 0);
rb_define_method(cMessagePack_Packer, "empty?", Packer_empty_p, 0);
rb_define_method(cMessagePack_Packer, "write_to", Packer_write_to, 1);
rb_define_method(cMessagePack_Packer, "to_str", Packer_to_str, 0);
rb_define_alias(cMessagePack_Packer, "to_s", "to_str");
rb_define_method(cMessagePack_Packer, "to_a", Packer_to_a, 0);
//rb_define_method(cMessagePack_Packer, "append", Packer_append, 1);
//rb_define_alias(cMessagePack_Packer, "<<", "append");
rb_define_private_method(cMessagePack_Packer, "registered_types_internal", Packer_registered_types_internal, 0);
rb_define_method(cMessagePack_Packer, "register_type", Packer_register_type, -1);
//s_packer_value = MessagePack_Packer_alloc(cMessagePack_Packer);
//rb_gc_register_address(&s_packer_value);
//Data_Get_Struct(s_packer_value, msgpack_packer_t, s_packer);
rb_define_method(cMessagePack_Packer, "full_pack", Packer_full_pack, 0);
}
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