/*
* call-seq:
* MessageClass.encode_json(msg) => json_string
*
* Encodes the given message object into its serialized JSON representation.
*/
VALUE Message_encode_json(VALUE klass, VALUE msg_rb) {
VALUE descriptor = rb_ivar_get(klass, descriptor_instancevar_interned);
Descriptor* desc = ruby_to_Descriptor(descriptor);
stringsink sink;
stringsink_init(&sink);
{
const upb_handlers* serialize_handlers =
msgdef_json_serialize_handlers(desc);
upb_json_printer* printer;
stackenv se;
VALUE ret;
stackenv_init(&se, "Error occurred during encoding: %s");
printer = upb_json_printer_create(&se.env, serialize_handlers, &sink.sink);
putmsg(msg_rb, desc, upb_json_printer_input(printer), 0);
ret = rb_str_new(sink.ptr, sink.len);
stackenv_uninit(&se);
stringsink_uninit(&sink);
return ret;
}
}
/*
* call-seq:
* MessageClass.encode_json(msg) => json_string
*
* Encodes the given message object into its serialized JSON representation.
*/
VALUE Message_encode_json(int argc, VALUE* argv, VALUE klass) {
VALUE descriptor = rb_ivar_get(klass, descriptor_instancevar_interned);
Descriptor* desc = ruby_to_Descriptor(descriptor);
VALUE msg_rb;
VALUE preserve_proto_fieldnames = Qfalse;
stringsink sink;
if (argc < 1 || argc > 2) {
rb_raise(rb_eArgError, "Expected 1 or 2 arguments.");
}
msg_rb = argv[0];
if (argc == 2) {
VALUE hash_args = argv[1];
if (TYPE(hash_args) != T_HASH) {
rb_raise(rb_eArgError, "Expected hash arguments.");
}
preserve_proto_fieldnames = rb_hash_lookup2(
hash_args, ID2SYM(rb_intern("preserve_proto_fieldnames")), Qfalse);
}
stringsink_init(&sink);
{
const upb_handlers* serialize_handlers =
msgdef_json_serialize_handlers(desc, RTEST(preserve_proto_fieldnames));
upb_json_printer* printer;
stackenv se;
VALUE ret;
stackenv_init(&se, "Error occurred during encoding: %s");
printer = upb_json_printer_create(&se.env, serialize_handlers, &sink.sink);
putmsg(msg_rb, desc, upb_json_printer_input(printer), 0);
ret = rb_enc_str_new(sink.ptr, sink.len, rb_utf8_encoding());
stackenv_uninit(&se);
stringsink_uninit(&sink);
return ret;
}
}