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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/jaegertracing/thrift/lib/rb/ext/struct.c | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/jaegertracing/thrift/lib/rb/ext/struct.c')
-rw-r--r-- | src/jaegertracing/thrift/lib/rb/ext/struct.c | 711 |
1 files changed, 711 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/rb/ext/struct.c b/src/jaegertracing/thrift/lib/rb/ext/struct.c new file mode 100644 index 000000000..e3aa855ed --- /dev/null +++ b/src/jaegertracing/thrift/lib/rb/ext/struct.c @@ -0,0 +1,711 @@ +/** + * 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 "struct.h" +#include "constants.h" +#include "macros.h" +#include "strlcpy.h" + +VALUE thrift_union_class; + +ID setfield_id; +ID setvalue_id; + +ID to_s_method_id; +ID name_to_id_method_id; +static ID sorted_field_ids_method_id; + +#define IS_CONTAINER(ttype) ((ttype) == TTYPE_MAP || (ttype) == TTYPE_LIST || (ttype) == TTYPE_SET) +#define STRUCT_FIELDS(obj) rb_const_get(CLASS_OF(obj), fields_const_id) + +//------------------------------------------- +// Writing section +//------------------------------------------- + +// default fn pointers for protocol stuff here + +VALUE default_write_bool(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_boolean_method_id, 1, value); + return Qnil; +} + +VALUE default_write_byte(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_byte_method_id, 1, value); + return Qnil; +} + +VALUE default_write_i16(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_i16_method_id, 1, value); + return Qnil; +} + +VALUE default_write_i32(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_i32_method_id, 1, value); + return Qnil; +} + +VALUE default_write_i64(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_i64_method_id, 1, value); + return Qnil; +} + +VALUE default_write_double(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_double_method_id, 1, value); + return Qnil; +} + +VALUE default_write_string(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_string_method_id, 1, value); + return Qnil; +} + +VALUE default_write_binary(VALUE protocol, VALUE value) { + rb_funcall(protocol, write_binary_method_id, 1, value); + return Qnil; +} + +VALUE default_write_list_begin(VALUE protocol, VALUE etype, VALUE length) { + rb_funcall(protocol, write_list_begin_method_id, 2, etype, length); + return Qnil; +} + +VALUE default_write_list_end(VALUE protocol) { + rb_funcall(protocol, write_list_end_method_id, 0); + return Qnil; +} + +VALUE default_write_set_begin(VALUE protocol, VALUE etype, VALUE length) { + rb_funcall(protocol, write_set_begin_method_id, 2, etype, length); + return Qnil; +} + +VALUE default_write_set_end(VALUE protocol) { + rb_funcall(protocol, write_set_end_method_id, 0); + return Qnil; +} + +VALUE default_write_map_begin(VALUE protocol, VALUE ktype, VALUE vtype, VALUE length) { + rb_funcall(protocol, write_map_begin_method_id, 3, ktype, vtype, length); + return Qnil; +} + +VALUE default_write_map_end(VALUE protocol) { + rb_funcall(protocol, write_map_end_method_id, 0); + return Qnil; +} + +VALUE default_write_struct_begin(VALUE protocol, VALUE struct_name) { + rb_funcall(protocol, write_struct_begin_method_id, 1, struct_name); + return Qnil; +} + +VALUE default_write_struct_end(VALUE protocol) { + rb_funcall(protocol, write_struct_end_method_id, 0); + return Qnil; +} + +VALUE default_write_field_begin(VALUE protocol, VALUE name, VALUE type, VALUE id) { + rb_funcall(protocol, write_field_begin_method_id, 3, name, type, id); + return Qnil; +} + +VALUE default_write_field_end(VALUE protocol) { + rb_funcall(protocol, write_field_end_method_id, 0); + return Qnil; +} + +VALUE default_write_field_stop(VALUE protocol) { + rb_funcall(protocol, write_field_stop_method_id, 0); + return Qnil; +} + +VALUE default_read_field_begin(VALUE protocol) { + return rb_funcall(protocol, read_field_begin_method_id, 0); +} + +VALUE default_read_field_end(VALUE protocol) { + return rb_funcall(protocol, read_field_end_method_id, 0); +} + +VALUE default_read_map_begin(VALUE protocol) { + return rb_funcall(protocol, read_map_begin_method_id, 0); +} + +VALUE default_read_map_end(VALUE protocol) { + return rb_funcall(protocol, read_map_end_method_id, 0); +} + +VALUE default_read_list_begin(VALUE protocol) { + return rb_funcall(protocol, read_list_begin_method_id, 0); +} + +VALUE default_read_list_end(VALUE protocol) { + return rb_funcall(protocol, read_list_end_method_id, 0); +} + +VALUE default_read_set_begin(VALUE protocol) { + return rb_funcall(protocol, read_set_begin_method_id, 0); +} + +VALUE default_read_set_end(VALUE protocol) { + return rb_funcall(protocol, read_set_end_method_id, 0); +} + +VALUE default_read_byte(VALUE protocol) { + return rb_funcall(protocol, read_byte_method_id, 0); +} + +VALUE default_read_bool(VALUE protocol) { + return rb_funcall(protocol, read_bool_method_id, 0); +} + +VALUE default_read_i16(VALUE protocol) { + return rb_funcall(protocol, read_i16_method_id, 0); +} + +VALUE default_read_i32(VALUE protocol) { + return rb_funcall(protocol, read_i32_method_id, 0); +} + +VALUE default_read_i64(VALUE protocol) { + return rb_funcall(protocol, read_i64_method_id, 0); +} + +VALUE default_read_double(VALUE protocol) { + return rb_funcall(protocol, read_double_method_id, 0); +} + +VALUE default_read_string(VALUE protocol) { + return rb_funcall(protocol, read_string_method_id, 0); +} + +VALUE default_read_binary(VALUE protocol) { + return rb_funcall(protocol, read_binary_method_id, 0); +} + +VALUE default_read_struct_begin(VALUE protocol) { + return rb_funcall(protocol, read_struct_begin_method_id, 0); +} + +VALUE default_read_struct_end(VALUE protocol) { + return rb_funcall(protocol, read_struct_end_method_id, 0); +} + +// end default protocol methods + +static VALUE rb_thrift_union_write (VALUE self, VALUE protocol); +static VALUE rb_thrift_struct_write(VALUE self, VALUE protocol); +static void write_anything(int ttype, VALUE value, VALUE protocol, VALUE field_info); + +VALUE get_field_value(VALUE obj, VALUE field_name) { + char name_buf[RSTRING_LEN(field_name) + 2]; + + name_buf[0] = '@'; + strlcpy(&name_buf[1], RSTRING_PTR(field_name), RSTRING_LEN(field_name) + 1); + + VALUE value = rb_ivar_get(obj, rb_intern(name_buf)); + + return value; +} + +static void write_container(int ttype, VALUE field_info, VALUE value, VALUE protocol) { + int sz, i; + + if (ttype == TTYPE_MAP) { + VALUE keys; + VALUE key; + VALUE val; + + Check_Type(value, T_HASH); + + VALUE key_info = rb_hash_aref(field_info, key_sym); + VALUE keytype_value = rb_hash_aref(key_info, type_sym); + int keytype = FIX2INT(keytype_value); + + VALUE value_info = rb_hash_aref(field_info, value_sym); + VALUE valuetype_value = rb_hash_aref(value_info, type_sym); + int valuetype = FIX2INT(valuetype_value); + + keys = rb_funcall(value, keys_method_id, 0); + + sz = RARRAY_LEN(keys); + + default_write_map_begin(protocol, keytype_value, valuetype_value, INT2FIX(sz)); + + for (i = 0; i < sz; i++) { + key = rb_ary_entry(keys, i); + val = rb_hash_aref(value, key); + + if (IS_CONTAINER(keytype)) { + write_container(keytype, key_info, key, protocol); + } else { + write_anything(keytype, key, protocol, key_info); + } + + if (IS_CONTAINER(valuetype)) { + write_container(valuetype, value_info, val, protocol); + } else { + write_anything(valuetype, val, protocol, value_info); + } + } + + default_write_map_end(protocol); + } else if (ttype == TTYPE_LIST) { + Check_Type(value, T_ARRAY); + + sz = RARRAY_LEN(value); + + VALUE element_type_info = rb_hash_aref(field_info, element_sym); + VALUE element_type_value = rb_hash_aref(element_type_info, type_sym); + int element_type = FIX2INT(element_type_value); + + default_write_list_begin(protocol, element_type_value, INT2FIX(sz)); + for (i = 0; i < sz; ++i) { + VALUE val = rb_ary_entry(value, i); + if (IS_CONTAINER(element_type)) { + write_container(element_type, element_type_info, val, protocol); + } else { + write_anything(element_type, val, protocol, element_type_info); + } + } + default_write_list_end(protocol); + } else if (ttype == TTYPE_SET) { + VALUE items; + + if (TYPE(value) == T_ARRAY) { + items = value; + } else { + if (rb_cSet == CLASS_OF(value)) { + items = rb_funcall(value, entries_method_id, 0); + } else { + Check_Type(value, T_HASH); + items = rb_funcall(value, keys_method_id, 0); + } + } + + sz = RARRAY_LEN(items); + + VALUE element_type_info = rb_hash_aref(field_info, element_sym); + VALUE element_type_value = rb_hash_aref(element_type_info, type_sym); + int element_type = FIX2INT(element_type_value); + + default_write_set_begin(protocol, element_type_value, INT2FIX(sz)); + + for (i = 0; i < sz; i++) { + VALUE val = rb_ary_entry(items, i); + if (IS_CONTAINER(element_type)) { + write_container(element_type, element_type_info, val, protocol); + } else { + write_anything(element_type, val, protocol, element_type_info); + } + } + + default_write_set_end(protocol); + } else { + rb_raise(rb_eNotImpError, "can't write container of type: %d", ttype); + } +} + +static void write_anything(int ttype, VALUE value, VALUE protocol, VALUE field_info) { + if (ttype == TTYPE_BOOL) { + default_write_bool(protocol, value); + } else if (ttype == TTYPE_BYTE) { + default_write_byte(protocol, value); + } else if (ttype == TTYPE_I16) { + default_write_i16(protocol, value); + } else if (ttype == TTYPE_I32) { + default_write_i32(protocol, value); + } else if (ttype == TTYPE_I64) { + default_write_i64(protocol, value); + } else if (ttype == TTYPE_DOUBLE) { + default_write_double(protocol, value); + } else if (ttype == TTYPE_STRING) { + VALUE is_binary = rb_hash_aref(field_info, binary_sym); + if (is_binary != Qtrue) { + default_write_string(protocol, value); + } else { + default_write_binary(protocol, value); + } + } else if (IS_CONTAINER(ttype)) { + write_container(ttype, field_info, value, protocol); + } else if (ttype == TTYPE_STRUCT) { + if (rb_obj_is_kind_of(value, thrift_union_class)) { + rb_thrift_union_write(value, protocol); + } else { + rb_thrift_struct_write(value, protocol); + } + } else { + rb_raise(rb_eNotImpError, "Unknown type for binary_encoding: %d", ttype); + } +} + +static VALUE rb_thrift_struct_write(VALUE self, VALUE protocol) { + // call validate + rb_funcall(self, validate_method_id, 0); + + // write struct begin + default_write_struct_begin(protocol, rb_class_name(CLASS_OF(self))); + + // iterate through all the fields here + VALUE struct_fields = STRUCT_FIELDS(self); + VALUE sorted_field_ids = rb_funcall(self, sorted_field_ids_method_id, 0); + + int i = 0; + for (i=0; i < RARRAY_LEN(sorted_field_ids); i++) { + VALUE field_id = rb_ary_entry(sorted_field_ids, i); + + VALUE field_info = rb_hash_aref(struct_fields, field_id); + + VALUE ttype_value = rb_hash_aref(field_info, type_sym); + int ttype = FIX2INT(ttype_value); + VALUE field_name = rb_hash_aref(field_info, name_sym); + + VALUE field_value = get_field_value(self, field_name); + + if (!NIL_P(field_value)) { + default_write_field_begin(protocol, field_name, ttype_value, field_id); + + write_anything(ttype, field_value, protocol, field_info); + + default_write_field_end(protocol); + } + } + + default_write_field_stop(protocol); + + // write struct end + default_write_struct_end(protocol); + + return Qnil; +} + +//------------------------------------------- +// Reading section +//------------------------------------------- + +static VALUE rb_thrift_union_read(VALUE self, VALUE protocol); +static VALUE rb_thrift_struct_read(VALUE self, VALUE protocol); +static void skip_map_contents(VALUE protocol, VALUE key_type_value, VALUE value_type_value, int size); +static void skip_list_or_set_contents(VALUE protocol, VALUE element_type_value, int size); + +static void set_field_value(VALUE obj, VALUE field_name, VALUE value) { + char name_buf[RSTRING_LEN(field_name) + 2]; + + name_buf[0] = '@'; + strlcpy(&name_buf[1], RSTRING_PTR(field_name), RSTRING_LEN(field_name)+1); + + rb_ivar_set(obj, rb_intern(name_buf), value); +} + +// Helper method to skip the contents of a map (assumes the map header has been read). +static void skip_map_contents(VALUE protocol, VALUE key_type_value, VALUE value_type_value, int size) { + int i; + for (i = 0; i < size; i++) { + rb_funcall(protocol, skip_method_id, 1, key_type_value); + rb_funcall(protocol, skip_method_id, 1, value_type_value); + } +} + +// Helper method to skip the contents of a list or set (assumes the list/set header has been read). +static void skip_list_or_set_contents(VALUE protocol, VALUE element_type_value, int size) { + int i; + for (i = 0; i < size; i++) { + rb_funcall(protocol, skip_method_id, 1, element_type_value); + } +} + +static VALUE read_anything(VALUE protocol, int ttype, VALUE field_info) { + VALUE result = Qnil; + + if (ttype == TTYPE_BOOL) { + result = default_read_bool(protocol); + } else if (ttype == TTYPE_BYTE) { + result = default_read_byte(protocol); + } else if (ttype == TTYPE_I16) { + result = default_read_i16(protocol); + } else if (ttype == TTYPE_I32) { + result = default_read_i32(protocol); + } else if (ttype == TTYPE_I64) { + result = default_read_i64(protocol); + } else if (ttype == TTYPE_STRING) { + VALUE is_binary = rb_hash_aref(field_info, binary_sym); + if (is_binary != Qtrue) { + result = default_read_string(protocol); + } else { + result = default_read_binary(protocol); + } + } else if (ttype == TTYPE_DOUBLE) { + result = default_read_double(protocol); + } else if (ttype == TTYPE_STRUCT) { + VALUE klass = rb_hash_aref(field_info, class_sym); + result = rb_class_new_instance(0, NULL, klass); + + if (rb_obj_is_kind_of(result, thrift_union_class)) { + rb_thrift_union_read(result, protocol); + } else { + rb_thrift_struct_read(result, protocol); + } + } else if (ttype == TTYPE_MAP) { + int i; + + VALUE map_header = default_read_map_begin(protocol); + int key_ttype = FIX2INT(rb_ary_entry(map_header, 0)); + int value_ttype = FIX2INT(rb_ary_entry(map_header, 1)); + int num_entries = FIX2INT(rb_ary_entry(map_header, 2)); + + // Check the declared key and value types against the expected ones and skip the map contents + // if the types don't match. + VALUE key_info = rb_hash_aref(field_info, key_sym); + VALUE value_info = rb_hash_aref(field_info, value_sym); + + if (!NIL_P(key_info) && !NIL_P(value_info)) { + int specified_key_type = FIX2INT(rb_hash_aref(key_info, type_sym)); + int specified_value_type = FIX2INT(rb_hash_aref(value_info, type_sym)); + if (num_entries == 0 || (specified_key_type == key_ttype && specified_value_type == value_ttype)) { + result = rb_hash_new(); + + for (i = 0; i < num_entries; ++i) { + VALUE key, val; + + key = read_anything(protocol, key_ttype, key_info); + val = read_anything(protocol, value_ttype, value_info); + + rb_hash_aset(result, key, val); + } + } else { + skip_map_contents(protocol, INT2FIX(key_ttype), INT2FIX(value_ttype), num_entries); + } + } else { + skip_map_contents(protocol, INT2FIX(key_ttype), INT2FIX(value_ttype), num_entries); + } + + default_read_map_end(protocol); + } else if (ttype == TTYPE_LIST) { + int i; + + VALUE list_header = default_read_list_begin(protocol); + int element_ttype = FIX2INT(rb_ary_entry(list_header, 0)); + int num_elements = FIX2INT(rb_ary_entry(list_header, 1)); + + // Check the declared element type against the expected one and skip the list contents + // if the types don't match. + VALUE element_info = rb_hash_aref(field_info, element_sym); + if (!NIL_P(element_info)) { + int specified_element_type = FIX2INT(rb_hash_aref(element_info, type_sym)); + if (specified_element_type == element_ttype) { + result = rb_ary_new2(num_elements); + + for (i = 0; i < num_elements; ++i) { + rb_ary_push(result, read_anything(protocol, element_ttype, rb_hash_aref(field_info, element_sym))); + } + } else { + skip_list_or_set_contents(protocol, INT2FIX(element_ttype), num_elements); + } + } else { + skip_list_or_set_contents(protocol, INT2FIX(element_ttype), num_elements); + } + + default_read_list_end(protocol); + } else if (ttype == TTYPE_SET) { + VALUE items; + int i; + + VALUE set_header = default_read_set_begin(protocol); + int element_ttype = FIX2INT(rb_ary_entry(set_header, 0)); + int num_elements = FIX2INT(rb_ary_entry(set_header, 1)); + + // Check the declared element type against the expected one and skip the set contents + // if the types don't match. + VALUE element_info = rb_hash_aref(field_info, element_sym); + if (!NIL_P(element_info)) { + int specified_element_type = FIX2INT(rb_hash_aref(element_info, type_sym)); + if (specified_element_type == element_ttype) { + items = rb_ary_new2(num_elements); + + for (i = 0; i < num_elements; ++i) { + rb_ary_push(items, read_anything(protocol, element_ttype, rb_hash_aref(field_info, element_sym))); + } + + result = rb_class_new_instance(1, &items, rb_cSet); + } else { + skip_list_or_set_contents(protocol, INT2FIX(element_ttype), num_elements); + } + } else { + skip_list_or_set_contents(protocol, INT2FIX(element_ttype), num_elements); + } + + default_read_set_end(protocol); + } else { + rb_raise(rb_eNotImpError, "read_anything not implemented for type %d!", ttype); + } + + return result; +} + +static VALUE rb_thrift_struct_read(VALUE self, VALUE protocol) { + // read struct begin + default_read_struct_begin(protocol); + + VALUE struct_fields = STRUCT_FIELDS(self); + + // read each field + while (true) { + VALUE field_header = default_read_field_begin(protocol); + VALUE field_type_value = rb_ary_entry(field_header, 1); + int field_type = FIX2INT(field_type_value); + + if (field_type == TTYPE_STOP) { + break; + } + + // make sure we got a type we expected + VALUE field_info = rb_hash_aref(struct_fields, rb_ary_entry(field_header, 2)); + + if (!NIL_P(field_info)) { + int specified_type = FIX2INT(rb_hash_aref(field_info, type_sym)); + if (field_type == specified_type) { + // read the value + VALUE name = rb_hash_aref(field_info, name_sym); + set_field_value(self, name, read_anything(protocol, field_type, field_info)); + } else { + rb_funcall(protocol, skip_method_id, 1, field_type_value); + } + } else { + rb_funcall(protocol, skip_method_id, 1, field_type_value); + } + + // read field end + default_read_field_end(protocol); + } + + // read struct end + default_read_struct_end(protocol); + + // call validate + rb_funcall(self, validate_method_id, 0); + + return Qnil; +} + + +// -------------------------------- +// Union section +// -------------------------------- + +static VALUE rb_thrift_union_read(VALUE self, VALUE protocol) { + // read struct begin + default_read_struct_begin(protocol); + + VALUE struct_fields = STRUCT_FIELDS(self); + + VALUE field_header = default_read_field_begin(protocol); + VALUE field_type_value = rb_ary_entry(field_header, 1); + int field_type = FIX2INT(field_type_value); + + // make sure we got a type we expected + VALUE field_info = rb_hash_aref(struct_fields, rb_ary_entry(field_header, 2)); + + if (!NIL_P(field_info)) { + int specified_type = FIX2INT(rb_hash_aref(field_info, type_sym)); + if (field_type == specified_type) { + // read the value + VALUE name = rb_hash_aref(field_info, name_sym); + rb_iv_set(self, "@setfield", rb_str_intern(name)); + rb_iv_set(self, "@value", read_anything(protocol, field_type, field_info)); + } else { + rb_funcall(protocol, skip_method_id, 1, field_type_value); + } + } else { + rb_funcall(protocol, skip_method_id, 1, field_type_value); + } + + // read field end + default_read_field_end(protocol); + + field_header = default_read_field_begin(protocol); + field_type_value = rb_ary_entry(field_header, 1); + field_type = FIX2INT(field_type_value); + + if (field_type != TTYPE_STOP) { + rb_raise(rb_eRuntimeError, "too many fields in union!"); + } + + // read struct end + default_read_struct_end(protocol); + + // call validate + rb_funcall(self, validate_method_id, 0); + + return Qnil; +} + +static VALUE rb_thrift_union_write(VALUE self, VALUE protocol) { + // call validate + rb_funcall(self, validate_method_id, 0); + + // write struct begin + default_write_struct_begin(protocol, rb_class_name(CLASS_OF(self))); + + VALUE struct_fields = STRUCT_FIELDS(self); + + VALUE setfield = rb_ivar_get(self, setfield_id); + VALUE setvalue = rb_ivar_get(self, setvalue_id); + VALUE field_id = rb_funcall(self, name_to_id_method_id, 1, rb_funcall(setfield, to_s_method_id, 0)); + + VALUE field_info = rb_hash_aref(struct_fields, field_id); + + if(NIL_P(field_info)) { + rb_raise(rb_eRuntimeError, "set_field is not valid for this union!"); + } + + VALUE ttype_value = rb_hash_aref(field_info, type_sym); + int ttype = FIX2INT(ttype_value); + + default_write_field_begin(protocol, setfield, ttype_value, field_id); + + write_anything(ttype, setvalue, protocol, field_info); + + default_write_field_end(protocol); + + default_write_field_stop(protocol); + + // write struct end + default_write_struct_end(protocol); + + return Qnil; +} + +void Init_struct() { + VALUE struct_module = rb_const_get(thrift_module, rb_intern("Struct")); + + rb_define_method(struct_module, "write", rb_thrift_struct_write, 1); + rb_define_method(struct_module, "read", rb_thrift_struct_read, 1); + + thrift_union_class = rb_const_get(thrift_module, rb_intern("Union")); + + rb_define_method(thrift_union_class, "write", rb_thrift_union_write, 1); + rb_define_method(thrift_union_class, "read", rb_thrift_union_read, 1); + + setfield_id = rb_intern("@setfield"); + setvalue_id = rb_intern("@value"); + + to_s_method_id = rb_intern("to_s"); + name_to_id_method_id = rb_intern("name_to_id"); + sorted_field_ids_method_id = rb_intern("sorted_field_ids"); +} |