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THRIFT-418. rb: Don't do runtime sorting of struct fields

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A simpler version of the already-committed patch.

Patch: Ilya Maykov

git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1136189 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Bryan Duxbury 2011-06-15 20:52:57 +00:00
parent 6e292e5bfa
commit d1df20a20d
5 changed files with 17 additions and 14 deletions
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4
compiler/cpp/src/generate/t_rb_generator.cc
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@ -621,12 +621,8 @@ void t_rb_generator::generate_field_defns(std::ofstream& out, t_struct* tstruct)
out << endl;
indent(out) << "}" << endl << endl;
// Generate the pre-sorted array of field ids, used for iterating through the fields in sorted order.
indent(out) << "FIELD_IDS = FIELDS.keys.sort" << endl << endl;
indent(out) << "def struct_fields; FIELDS; end" << endl << endl;
indent(out) << "def struct_field_ids; FIELD_IDS; end" << endl << endl;
}
void t_rb_generator::generate_field_data(std::ofstream& out, t_type* field_type,

1
lib/rb/ext/constants.h
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@ -77,7 +77,6 @@ extern ID read_all_method_id;
extern ID native_qmark_method_id;
extern ID fields_const_id;
extern ID field_ids_const_id;
extern ID transport_ivar_id;
extern ID strict_read_ivar_id;
extern ID strict_write_ivar_id;

9
lib/rb/ext/struct.c
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@ -55,10 +55,10 @@ 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)
#define STRUCT_FIELD_IDS(obj) rb_const_get(CLASS_OF(obj), field_ids_const_id)
//-------------------------------------------
// Writing section
@ -376,11 +376,11 @@ static VALUE rb_thrift_struct_write(VALUE self, VALUE protocol) {
// iterate through all the fields here
VALUE struct_fields = STRUCT_FIELDS(self);
VALUE struct_field_ids_ordered = STRUCT_FIELD_IDS(self);
VALUE sorted_field_ids = rb_funcall(self, sorted_field_ids_method_id, 0);
int i = 0;
for (i=0; i < RARRAY_LEN(struct_field_ids_ordered); i++) {
VALUE field_id = rb_ary_entry(struct_field_ids_ordered, i);
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);
@ -713,4 +713,5 @@ void Init_struct() {
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");
}

2
lib/rb/ext/thrift_native.c
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@ -92,7 +92,6 @@ ID native_qmark_method_id;
// constant ids
ID fields_const_id;
ID field_ids_const_id;
ID transport_ivar_id;
ID strict_read_ivar_id;
ID strict_write_ivar_id;
@ -175,7 +174,6 @@ void Init_thrift_native() {
// constant ids
fields_const_id = rb_intern("FIELDS");
field_ids_const_id = rb_intern("FIELD_IDS");
transport_ivar_id = rb_intern("@trans");
strict_read_ivar_id = rb_intern("@strict_read");
strict_write_ivar_id = rb_intern("@strict_write");

11
lib/rb/lib/thrift/struct_union.rb
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@ -32,8 +32,17 @@ module Thrift
names_to_ids[name]
end
def sorted_field_ids
sorted_field_ids = self.class.instance_variable_get(:@sorted_field_ids)
unless sorted_field_ids
sorted_field_ids = struct_fields.keys.sort
self.class.instance_variable_set(:@sorted_field_ids, sorted_field_ids)
end
sorted_field_ids
end
def each_field
struct_field_ids.each do |fid|
sorted_field_ids.each do |fid|
data = struct_fields[fid]
yield fid, data
end