thrift/lib/rb/ext/compact_protocol.c
2014-09-17 22:36:00 +02:00

638 lines
22 KiB
C

/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 <ruby.h>
#include <stdbool.h>
#include <stdint.h>
#include <constants.h>
#include <struct.h>
#include <macros.h>
#include <bytes.h>
#define LAST_ID(obj) FIX2INT(rb_ary_pop(rb_ivar_get(obj, last_field_id)))
#define SET_LAST_ID(obj, val) rb_ary_push(rb_ivar_get(obj, last_field_id), val)
VALUE rb_thrift_compact_proto_native_qmark(VALUE self) {
return Qtrue;
}
static ID last_field_id;
static ID boolean_field_id;
static ID bool_value_id;
static ID rbuf_ivar_id;
static int VERSION;
static int VERSION_MASK;
static int TYPE_MASK;
static int TYPE_BITS;
static int TYPE_SHIFT_AMOUNT;
static int PROTOCOL_ID;
static VALUE thrift_compact_protocol_class;
static int CTYPE_BOOLEAN_TRUE = 0x01;
static int CTYPE_BOOLEAN_FALSE = 0x02;
static int CTYPE_BYTE = 0x03;
static int CTYPE_I16 = 0x04;
static int CTYPE_I32 = 0x05;
static int CTYPE_I64 = 0x06;
static int CTYPE_DOUBLE = 0x07;
static int CTYPE_BINARY = 0x08;
static int CTYPE_LIST = 0x09;
static int CTYPE_SET = 0x0A;
static int CTYPE_MAP = 0x0B;
static int CTYPE_STRUCT = 0x0C;
VALUE rb_thrift_compact_proto_write_i16(VALUE self, VALUE i16);
// TODO: implement this
static int get_compact_type(VALUE type_value) {
int type = FIX2INT(type_value);
if (type == TTYPE_BOOL) {
return CTYPE_BOOLEAN_TRUE;
} else if (type == TTYPE_BYTE) {
return CTYPE_BYTE;
} else if (type == TTYPE_I16) {
return CTYPE_I16;
} else if (type == TTYPE_I32) {
return CTYPE_I32;
} else if (type == TTYPE_I64) {
return CTYPE_I64;
} else if (type == TTYPE_DOUBLE) {
return CTYPE_DOUBLE;
} else if (type == TTYPE_STRING) {
return CTYPE_BINARY;
} else if (type == TTYPE_LIST) {
return CTYPE_LIST;
} else if (type == TTYPE_SET) {
return CTYPE_SET;
} else if (type == TTYPE_MAP) {
return CTYPE_MAP;
} else if (type == TTYPE_STRUCT) {
return CTYPE_STRUCT;
} else {
char str[50];
sprintf(str, "don't know what type: %d", type);
rb_raise(rb_eStandardError, "%s", str);
return 0;
}
}
static void write_byte_direct(VALUE transport, int8_t b) {
WRITE(transport, (char*)&b, 1);
}
static void write_field_begin_internal(VALUE self, VALUE type, VALUE id_value, VALUE type_override) {
int id = FIX2INT(id_value);
int last_id = LAST_ID(self);
VALUE transport = GET_TRANSPORT(self);
// if there's a type override, use that.
int8_t type_to_write = RTEST(type_override) ? FIX2INT(type_override) : get_compact_type(type);
// check if we can use delta encoding for the field id
int diff = id - last_id;
if (diff > 0 && diff <= 15) {
// write them together
write_byte_direct(transport, diff << 4 | (type_to_write & 0x0f));
} else {
// write them separate
write_byte_direct(transport, type_to_write & 0x0f);
rb_thrift_compact_proto_write_i16(self, id_value);
}
SET_LAST_ID(self, id_value);
}
static int32_t int_to_zig_zag(int32_t n) {
return (n << 1) ^ (n >> 31);
}
static uint64_t ll_to_zig_zag(int64_t n) {
return (n << 1) ^ (n >> 63);
}
static void write_varint32(VALUE transport, uint32_t n) {
while (true) {
if ((n & ~0x7F) == 0) {
write_byte_direct(transport, n & 0x7f);
break;
} else {
write_byte_direct(transport, (n & 0x7F) | 0x80);
n = n >> 7;
}
}
}
static void write_varint64(VALUE transport, uint64_t n) {
while (true) {
if ((n & ~0x7F) == 0) {
write_byte_direct(transport, n & 0x7f);
break;
} else {
write_byte_direct(transport, (n & 0x7F) | 0x80);
n = n >> 7;
}
}
}
static void write_collection_begin(VALUE transport, VALUE elem_type, VALUE size_value) {
int size = FIX2INT(size_value);
if (size <= 14) {
write_byte_direct(transport, size << 4 | get_compact_type(elem_type));
} else {
write_byte_direct(transport, 0xf0 | get_compact_type(elem_type));
write_varint32(transport, size);
}
}
//--------------------------------
// interface writing methods
//--------------------------------
VALUE rb_thrift_compact_proto_write_i32(VALUE self, VALUE i32);
VALUE rb_thrift_compact_proto_write_string(VALUE self, VALUE str);
VALUE rb_thrift_compact_proto_write_binary(VALUE self, VALUE buf);
VALUE rb_thrift_compact_proto_write_message_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_write_struct_begin(VALUE self, VALUE name) {
rb_ary_push(rb_ivar_get(self, last_field_id), INT2FIX(0));
return Qnil;
}
VALUE rb_thrift_compact_proto_write_struct_end(VALUE self) {
rb_ary_pop(rb_ivar_get(self, last_field_id));
return Qnil;
}
VALUE rb_thrift_compact_proto_write_field_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_write_map_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_write_list_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_write_set_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_write_message_begin(VALUE self, VALUE name, VALUE type, VALUE seqid) {
VALUE transport = GET_TRANSPORT(self);
write_byte_direct(transport, PROTOCOL_ID);
write_byte_direct(transport, (VERSION & VERSION_MASK) | ((FIX2INT(type) << TYPE_SHIFT_AMOUNT) & TYPE_MASK));
write_varint32(transport, FIX2INT(seqid));
rb_thrift_compact_proto_write_string(self, name);
return Qnil;
}
VALUE rb_thrift_compact_proto_write_field_begin(VALUE self, VALUE name, VALUE type, VALUE id) {
if (FIX2INT(type) == TTYPE_BOOL) {
// we want to possibly include the value, so we'll wait.
rb_ivar_set(self, boolean_field_id, rb_ary_new3(2, type, id));
} else {
write_field_begin_internal(self, type, id, Qnil);
}
return Qnil;
}
VALUE rb_thrift_compact_proto_write_field_stop(VALUE self) {
write_byte_direct(GET_TRANSPORT(self), TTYPE_STOP);
return Qnil;
}
VALUE rb_thrift_compact_proto_write_map_begin(VALUE self, VALUE ktype, VALUE vtype, VALUE size_value) {
int size = FIX2INT(size_value);
VALUE transport = GET_TRANSPORT(self);
if (size == 0) {
write_byte_direct(transport, 0);
} else {
write_varint32(transport, size);
write_byte_direct(transport, get_compact_type(ktype) << 4 | get_compact_type(vtype));
}
return Qnil;
}
VALUE rb_thrift_compact_proto_write_list_begin(VALUE self, VALUE etype, VALUE size) {
write_collection_begin(GET_TRANSPORT(self), etype, size);
return Qnil;
}
VALUE rb_thrift_compact_proto_write_set_begin(VALUE self, VALUE etype, VALUE size) {
write_collection_begin(GET_TRANSPORT(self), etype, size);
return Qnil;
}
VALUE rb_thrift_compact_proto_write_bool(VALUE self, VALUE b) {
int8_t type = b == Qtrue ? CTYPE_BOOLEAN_TRUE : CTYPE_BOOLEAN_FALSE;
VALUE boolean_field = rb_ivar_get(self, boolean_field_id);
if (NIL_P(boolean_field)) {
// we're not part of a field, so just write the value.
write_byte_direct(GET_TRANSPORT(self), type);
} else {
// we haven't written the field header yet
write_field_begin_internal(self, rb_ary_entry(boolean_field, 0), rb_ary_entry(boolean_field, 1), INT2FIX(type));
rb_ivar_set(self, boolean_field_id, Qnil);
}
return Qnil;
}
VALUE rb_thrift_compact_proto_write_byte(VALUE self, VALUE byte) {
CHECK_NIL(byte);
write_byte_direct(GET_TRANSPORT(self), FIX2INT(byte));
return Qnil;
}
VALUE rb_thrift_compact_proto_write_i16(VALUE self, VALUE i16) {
rb_thrift_compact_proto_write_i32(self, i16);
return Qnil;
}
VALUE rb_thrift_compact_proto_write_i32(VALUE self, VALUE i32) {
CHECK_NIL(i32);
write_varint32(GET_TRANSPORT(self), int_to_zig_zag(NUM2INT(i32)));
return Qnil;
}
VALUE rb_thrift_compact_proto_write_i64(VALUE self, VALUE i64) {
CHECK_NIL(i64);
write_varint64(GET_TRANSPORT(self), ll_to_zig_zag(NUM2LL(i64)));
return Qnil;
}
VALUE rb_thrift_compact_proto_write_double(VALUE self, VALUE dub) {
CHECK_NIL(dub);
// Unfortunately, bitwise_cast doesn't work in C. Bad C!
union {
double f;
int64_t l;
} transfer;
transfer.f = RFLOAT_VALUE(rb_Float(dub));
char buf[8];
buf[0] = transfer.l & 0xff;
buf[1] = (transfer.l >> 8) & 0xff;
buf[2] = (transfer.l >> 16) & 0xff;
buf[3] = (transfer.l >> 24) & 0xff;
buf[4] = (transfer.l >> 32) & 0xff;
buf[5] = (transfer.l >> 40) & 0xff;
buf[6] = (transfer.l >> 48) & 0xff;
buf[7] = (transfer.l >> 56) & 0xff;
WRITE(GET_TRANSPORT(self), buf, 8);
return Qnil;
}
VALUE rb_thrift_compact_proto_write_string(VALUE self, VALUE str) {
str = convert_to_utf8_byte_buffer(str);
rb_thrift_compact_proto_write_binary(self, str);
return Qnil;
}
VALUE rb_thrift_compact_proto_write_binary(VALUE self, VALUE buf) {
buf = force_binary_encoding(buf);
VALUE transport = GET_TRANSPORT(self);
write_varint32(transport, RSTRING_LEN(buf));
WRITE(transport, StringValuePtr(buf), RSTRING_LEN(buf));
return Qnil;
}
//---------------------------------------
// interface reading methods
//---------------------------------------
#define is_bool_type(ctype) (((ctype) & 0x0F) == CTYPE_BOOLEAN_TRUE || ((ctype) & 0x0F) == CTYPE_BOOLEAN_FALSE)
VALUE rb_thrift_compact_proto_read_string(VALUE self);
VALUE rb_thrift_compact_proto_read_binary(VALUE self);
VALUE rb_thrift_compact_proto_read_byte(VALUE self);
VALUE rb_thrift_compact_proto_read_i32(VALUE self);
VALUE rb_thrift_compact_proto_read_i16(VALUE self);
static int8_t get_ttype(int8_t ctype) {
if (ctype == TTYPE_STOP) {
return TTYPE_STOP;
} else if (ctype == CTYPE_BOOLEAN_TRUE || ctype == CTYPE_BOOLEAN_FALSE) {
return TTYPE_BOOL;
} else if (ctype == CTYPE_BYTE) {
return TTYPE_BYTE;
} else if (ctype == CTYPE_I16) {
return TTYPE_I16;
} else if (ctype == CTYPE_I32) {
return TTYPE_I32;
} else if (ctype == CTYPE_I64) {
return TTYPE_I64;
} else if (ctype == CTYPE_DOUBLE) {
return TTYPE_DOUBLE;
} else if (ctype == CTYPE_BINARY) {
return TTYPE_STRING;
} else if (ctype == CTYPE_LIST) {
return TTYPE_LIST;
} else if (ctype == CTYPE_SET) {
return TTYPE_SET;
} else if (ctype == CTYPE_MAP) {
return TTYPE_MAP;
} else if (ctype == CTYPE_STRUCT) {
return TTYPE_STRUCT;
} else {
char str[50];
sprintf(str, "don't know what type: %d", ctype);
rb_raise(rb_eStandardError, "%s", str);
return 0;
}
}
static char read_byte_direct(VALUE self) {
VALUE byte = rb_funcall(GET_TRANSPORT(self), read_byte_method_id, 0);
return (char)(FIX2INT(byte));
}
static int64_t zig_zag_to_ll(int64_t n) {
return (((uint64_t)n) >> 1) ^ -(n & 1);
}
static int32_t zig_zag_to_int(int32_t n) {
return (((uint32_t)n) >> 1) ^ -(n & 1);
}
static int64_t read_varint64(VALUE self) {
int shift = 0;
int64_t result = 0;
while (true) {
int8_t b = read_byte_direct(self);
result = result | ((uint64_t)(b & 0x7f) << shift);
if ((b & 0x80) != 0x80) {
break;
}
shift += 7;
}
return result;
}
static int16_t read_i16(VALUE self) {
return zig_zag_to_int((int32_t)read_varint64(self));
}
static VALUE get_protocol_exception(VALUE code, VALUE message) {
VALUE args[2];
args[0] = code;
args[1] = message;
return rb_class_new_instance(2, (VALUE*)&args, protocol_exception_class);
}
VALUE rb_thrift_compact_proto_read_message_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_read_struct_begin(VALUE self) {
rb_ary_push(rb_ivar_get(self, last_field_id), INT2FIX(0));
return Qnil;
}
VALUE rb_thrift_compact_proto_read_struct_end(VALUE self) {
rb_ary_pop(rb_ivar_get(self, last_field_id));
return Qnil;
}
VALUE rb_thrift_compact_proto_read_field_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_read_map_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_read_list_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_read_set_end(VALUE self) {
return Qnil;
}
VALUE rb_thrift_compact_proto_read_message_begin(VALUE self) {
int8_t protocol_id = read_byte_direct(self);
if (protocol_id != PROTOCOL_ID) {
char buf[100];
int len = sprintf(buf, "Expected protocol id %d but got %d", PROTOCOL_ID, protocol_id);
buf[len] = 0;
rb_exc_raise(get_protocol_exception(INT2FIX(-1), rb_str_new2(buf)));
}
int8_t version_and_type = read_byte_direct(self);
int8_t version = version_and_type & VERSION_MASK;
if (version != VERSION) {
char buf[100];
int len = sprintf(buf, "Expected version id %d but got %d", version, VERSION);
buf[len] = 0;
rb_exc_raise(get_protocol_exception(INT2FIX(-1), rb_str_new2(buf)));
}
int8_t type = (version_and_type >> TYPE_SHIFT_AMOUNT) & TYPE_BITS;
int32_t seqid = read_varint64(self);
VALUE messageName = rb_thrift_compact_proto_read_string(self);
return rb_ary_new3(3, messageName, INT2FIX(type), INT2NUM(seqid));
}
VALUE rb_thrift_compact_proto_read_field_begin(VALUE self) {
int8_t type = read_byte_direct(self);
// if it's a stop, then we can return immediately, as the struct is over.
if ((type & 0x0f) == TTYPE_STOP) {
return rb_ary_new3(3, Qnil, INT2FIX(0), INT2FIX(0));
} else {
int field_id = 0;
// mask off the 4 MSB of the type header. it could contain a field id delta.
uint8_t modifier = ((type & 0xf0) >> 4);
if (modifier == 0) {
// not a delta. look ahead for the zigzag varint field id.
(void) LAST_ID(self);
field_id = read_i16(self);
} else {
// has a delta. add the delta to the last read field id.
field_id = LAST_ID(self) + modifier;
}
// if this happens to be a boolean field, the value is encoded in the type
if (is_bool_type(type)) {
// save the boolean value in a special instance variable.
rb_ivar_set(self, bool_value_id, (type & 0x0f) == CTYPE_BOOLEAN_TRUE ? Qtrue : Qfalse);
}
// push the new field onto the field stack so we can keep the deltas going.
SET_LAST_ID(self, INT2FIX(field_id));
return rb_ary_new3(3, Qnil, INT2FIX(get_ttype(type & 0x0f)), INT2FIX(field_id));
}
}
VALUE rb_thrift_compact_proto_read_map_begin(VALUE self) {
int32_t size = read_varint64(self);
uint8_t key_and_value_type = size == 0 ? 0 : read_byte_direct(self);
return rb_ary_new3(3, INT2FIX(get_ttype(key_and_value_type >> 4)), INT2FIX(get_ttype(key_and_value_type & 0xf)), INT2FIX(size));
}
VALUE rb_thrift_compact_proto_read_list_begin(VALUE self) {
uint8_t size_and_type = read_byte_direct(self);
int32_t size = (size_and_type >> 4) & 0x0f;
if (size == 15) {
size = read_varint64(self);
}
uint8_t type = get_ttype(size_and_type & 0x0f);
return rb_ary_new3(2, INT2FIX(type), INT2FIX(size));
}
VALUE rb_thrift_compact_proto_read_set_begin(VALUE self) {
return rb_thrift_compact_proto_read_list_begin(self);
}
VALUE rb_thrift_compact_proto_read_bool(VALUE self) {
VALUE bool_value = rb_ivar_get(self, bool_value_id);
if (NIL_P(bool_value)) {
return read_byte_direct(self) == CTYPE_BOOLEAN_TRUE ? Qtrue : Qfalse;
} else {
rb_ivar_set(self, bool_value_id, Qnil);
return bool_value;
}
}
VALUE rb_thrift_compact_proto_read_byte(VALUE self) {
return INT2FIX(read_byte_direct(self));
}
VALUE rb_thrift_compact_proto_read_i16(VALUE self) {
return INT2FIX(read_i16(self));
}
VALUE rb_thrift_compact_proto_read_i32(VALUE self) {
return INT2NUM(zig_zag_to_int(read_varint64(self)));
}
VALUE rb_thrift_compact_proto_read_i64(VALUE self) {
return LL2NUM(zig_zag_to_ll(read_varint64(self)));
}
VALUE rb_thrift_compact_proto_read_double(VALUE self) {
union {
double f;
int64_t l;
} transfer;
VALUE rbuf = rb_ivar_get(self, rbuf_ivar_id);
rb_funcall(GET_TRANSPORT(self), read_into_buffer_method_id, 2, rbuf, INT2FIX(8));
uint32_t lo = ((uint8_t)(RSTRING_PTR(rbuf)[0]))
| (((uint8_t)(RSTRING_PTR(rbuf)[1])) << 8)
| (((uint8_t)(RSTRING_PTR(rbuf)[2])) << 16)
| (((uint8_t)(RSTRING_PTR(rbuf)[3])) << 24);
uint64_t hi = (((uint8_t)(RSTRING_PTR(rbuf)[4])))
| (((uint8_t)(RSTRING_PTR(rbuf)[5])) << 8)
| (((uint8_t)(RSTRING_PTR(rbuf)[6])) << 16)
| (((uint8_t)(RSTRING_PTR(rbuf)[7])) << 24);
transfer.l = (hi << 32) | lo;
return rb_float_new(transfer.f);
}
VALUE rb_thrift_compact_proto_read_string(VALUE self) {
VALUE buffer = rb_thrift_compact_proto_read_binary(self);
return convert_to_string(buffer);
}
VALUE rb_thrift_compact_proto_read_binary(VALUE self) {
int64_t size = read_varint64(self);
return READ(self, size);
}
static void Init_constants() {
thrift_compact_protocol_class = rb_const_get(thrift_module, rb_intern("CompactProtocol"));
VERSION = rb_num2ll(rb_const_get(thrift_compact_protocol_class, rb_intern("VERSION")));
VERSION_MASK = rb_num2ll(rb_const_get(thrift_compact_protocol_class, rb_intern("VERSION_MASK")));
TYPE_MASK = rb_num2ll(rb_const_get(thrift_compact_protocol_class, rb_intern("TYPE_MASK")));
TYPE_BITS = rb_num2ll(rb_const_get(thrift_compact_protocol_class, rb_intern("TYPE_BITS")));
TYPE_SHIFT_AMOUNT = FIX2INT(rb_const_get(thrift_compact_protocol_class, rb_intern("TYPE_SHIFT_AMOUNT")));
PROTOCOL_ID = FIX2INT(rb_const_get(thrift_compact_protocol_class, rb_intern("PROTOCOL_ID")));
last_field_id = rb_intern("@last_field");
boolean_field_id = rb_intern("@boolean_field");
bool_value_id = rb_intern("@bool_value");
rbuf_ivar_id = rb_intern("@rbuf");
}
static void Init_rb_methods() {
rb_define_method(thrift_compact_protocol_class, "native?", rb_thrift_compact_proto_native_qmark, 0);
rb_define_method(thrift_compact_protocol_class, "write_message_begin", rb_thrift_compact_proto_write_message_begin, 3);
rb_define_method(thrift_compact_protocol_class, "write_field_begin", rb_thrift_compact_proto_write_field_begin, 3);
rb_define_method(thrift_compact_protocol_class, "write_field_stop", rb_thrift_compact_proto_write_field_stop, 0);
rb_define_method(thrift_compact_protocol_class, "write_map_begin", rb_thrift_compact_proto_write_map_begin, 3);
rb_define_method(thrift_compact_protocol_class, "write_list_begin", rb_thrift_compact_proto_write_list_begin, 2);
rb_define_method(thrift_compact_protocol_class, "write_set_begin", rb_thrift_compact_proto_write_set_begin, 2);
rb_define_method(thrift_compact_protocol_class, "write_byte", rb_thrift_compact_proto_write_byte, 1);
rb_define_method(thrift_compact_protocol_class, "write_bool", rb_thrift_compact_proto_write_bool, 1);
rb_define_method(thrift_compact_protocol_class, "write_i16", rb_thrift_compact_proto_write_i16, 1);
rb_define_method(thrift_compact_protocol_class, "write_i32", rb_thrift_compact_proto_write_i32, 1);
rb_define_method(thrift_compact_protocol_class, "write_i64", rb_thrift_compact_proto_write_i64, 1);
rb_define_method(thrift_compact_protocol_class, "write_double", rb_thrift_compact_proto_write_double, 1);
rb_define_method(thrift_compact_protocol_class, "write_string", rb_thrift_compact_proto_write_string, 1);
rb_define_method(thrift_compact_protocol_class, "write_binary", rb_thrift_compact_proto_write_binary, 1);
rb_define_method(thrift_compact_protocol_class, "write_message_end", rb_thrift_compact_proto_write_message_end, 0);
rb_define_method(thrift_compact_protocol_class, "write_struct_begin", rb_thrift_compact_proto_write_struct_begin, 1);
rb_define_method(thrift_compact_protocol_class, "write_struct_end", rb_thrift_compact_proto_write_struct_end, 0);
rb_define_method(thrift_compact_protocol_class, "write_field_end", rb_thrift_compact_proto_write_field_end, 0);
rb_define_method(thrift_compact_protocol_class, "write_map_end", rb_thrift_compact_proto_write_map_end, 0);
rb_define_method(thrift_compact_protocol_class, "write_list_end", rb_thrift_compact_proto_write_list_end, 0);
rb_define_method(thrift_compact_protocol_class, "write_set_end", rb_thrift_compact_proto_write_set_end, 0);
rb_define_method(thrift_compact_protocol_class, "read_message_begin", rb_thrift_compact_proto_read_message_begin, 0);
rb_define_method(thrift_compact_protocol_class, "read_field_begin", rb_thrift_compact_proto_read_field_begin, 0);
rb_define_method(thrift_compact_protocol_class, "read_map_begin", rb_thrift_compact_proto_read_map_begin, 0);
rb_define_method(thrift_compact_protocol_class, "read_list_begin", rb_thrift_compact_proto_read_list_begin, 0);
rb_define_method(thrift_compact_protocol_class, "read_set_begin", rb_thrift_compact_proto_read_set_begin, 0);
rb_define_method(thrift_compact_protocol_class, "read_byte", rb_thrift_compact_proto_read_byte, 0);
rb_define_method(thrift_compact_protocol_class, "read_bool", rb_thrift_compact_proto_read_bool, 0);
rb_define_method(thrift_compact_protocol_class, "read_i16", rb_thrift_compact_proto_read_i16, 0);
rb_define_method(thrift_compact_protocol_class, "read_i32", rb_thrift_compact_proto_read_i32, 0);
rb_define_method(thrift_compact_protocol_class, "read_i64", rb_thrift_compact_proto_read_i64, 0);
rb_define_method(thrift_compact_protocol_class, "read_double", rb_thrift_compact_proto_read_double, 0);
rb_define_method(thrift_compact_protocol_class, "read_string", rb_thrift_compact_proto_read_string, 0);
rb_define_method(thrift_compact_protocol_class, "read_binary", rb_thrift_compact_proto_read_binary, 0);
rb_define_method(thrift_compact_protocol_class, "read_message_end", rb_thrift_compact_proto_read_message_end, 0);
rb_define_method(thrift_compact_protocol_class, "read_struct_begin", rb_thrift_compact_proto_read_struct_begin, 0);
rb_define_method(thrift_compact_protocol_class, "read_struct_end", rb_thrift_compact_proto_read_struct_end, 0);
rb_define_method(thrift_compact_protocol_class, "read_field_end", rb_thrift_compact_proto_read_field_end, 0);
rb_define_method(thrift_compact_protocol_class, "read_map_end", rb_thrift_compact_proto_read_map_end, 0);
rb_define_method(thrift_compact_protocol_class, "read_list_end", rb_thrift_compact_proto_read_list_end, 0);
rb_define_method(thrift_compact_protocol_class, "read_set_end", rb_thrift_compact_proto_read_set_end, 0);
}
void Init_compact_protocol() {
Init_constants();
Init_rb_methods();
}