// Protocol Buffers - Google's data interchange format
// Copyright 2014 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "protobuf.h"
// -----------------------------------------------------------------------------
// Parsing.
// -----------------------------------------------------------------------------
#define DEREF(msg, ofs, type) *(type*)(((uint8_t *)msg) + ofs)
// Creates a handlerdata that simply contains the offset for this field.
static const void* newhandlerdata(upb_handlers* h, uint32_t ofs) {
size_t* hd_ofs = ALLOC(size_t);
*hd_ofs = ofs;
upb_handlers_addcleanup(h, hd_ofs, free);
return hd_ofs;
}
typedef struct {
size_t ofs;
const upb_msgdef *md;
} submsg_handlerdata_t;
// Creates a handlerdata that contains offset and submessage type information.
static const void *newsubmsghandlerdata(upb_handlers* h, uint32_t ofs,
const upb_fielddef* f) {
submsg_handlerdata_t *hd = ALLOC(submsg_handlerdata_t);
hd->ofs = ofs;
hd->md = upb_fielddef_msgsubdef(f);
upb_handlers_addcleanup(h, hd, free);
return hd;
}
// A handler that starts a repeated field. Gets the Repeated*Field instance for
// this field (such an instance always exists even in an empty message).
static void *startseq_handler(void* closure, const void* hd) {
MessageHeader* msg = closure;
const size_t *ofs = hd;
return (void*)DEREF(Message_data(msg), *ofs, VALUE);
}
// Handlers that append primitive values to a repeated field (a regular Ruby
// array for now).
#define DEFINE_APPEND_HANDLER(type, ctype) \
static bool append##type##_handler(void *closure, const void *hd, \
ctype val) { \
VALUE ary = (VALUE)closure; \
RepeatedField_push_native(ary, &val); \
return true; \
}
DEFINE_APPEND_HANDLER(bool, bool)
DEFINE_APPEND_HANDLER(int32, int32_t)
DEFINE_APPEND_HANDLER(uint32, uint32_t)
DEFINE_APPEND_HANDLER(float, float)
DEFINE_APPEND_HANDLER(int64, int64_t)
DEFINE_APPEND_HANDLER(uint64, uint64_t)
DEFINE_APPEND_HANDLER(double, double)
// Appends a string to a repeated field (a regular Ruby array for now).
static void* appendstr_handler(void *closure,
const void *hd,
size_t size_hint) {
VALUE ary = (VALUE)closure;
VALUE str = rb_str_new2("");
rb_enc_associate(str, kRubyStringUtf8Encoding);
RepeatedField_push(ary, str);
return (void*)str;
}
// Appends a 'bytes' string to a repeated field (a regular Ruby array for now).
static void* appendbytes_handler(void *closure,
const void *hd,
size_t size_hint) {
VALUE ary = (VALUE)closure;
VALUE str = rb_str_new2("");
rb_enc_associate(str, kRubyString8bitEncoding);
RepeatedField_push(ary, str);
return (void*)str;
}
// Sets a non-repeated string field in a message.
static void* str_handler(void *closure,
const void *hd,
size_t size_hint) {
MessageHeader* msg = closure;
const size_t *ofs = hd;
VALUE str = rb_str_new2("");
rb_enc_associate(str, kRubyStringUtf8Encoding);
DEREF(Message_data(msg), *ofs, VALUE) = str;
return (void*)str;
}
// Sets a non-repeated 'bytes' field in a message.
static void* bytes_handler(void *closure,
const void *hd,
size_t size_hint) {
MessageHeader* msg = closure;
const size_t *ofs = hd;
VALUE str = rb_str_new2("");
rb_enc_associate(str, kRubyString8bitEncoding);
DEREF(Message_data(msg), *ofs, VALUE) = str;
return (void*)str;
}
static size_t stringdata_handler(void* closure, const void* hd,
const char* str, size_t len,
const upb_bufhandle* handle) {
VALUE rb_str = (VALUE)closure;
rb_str_cat(rb_str, str, len);
return len;
}
// Appends a submessage to a repeated field (a regular Ruby array for now).
static void *appendsubmsg_handler(void *closure, const void *hd) {
VALUE ary = (VALUE)closure;
const submsg_handlerdata_t *submsgdata = hd;
VALUE subdesc =
get_def_obj((void*)submsgdata->md);
VALUE subklass = Descriptor_msgclass(subdesc);
VALUE submsg_rb = rb_class_new_instance(0, NULL, subklass);
RepeatedField_push(ary, submsg_rb);
MessageHeader* submsg;
TypedData_Get_Struct(submsg_rb, MessageHeader, &Message_type, submsg);
return submsg;
}
// Sets a non-repeated submessage field in a message.
static void *submsg_handler(void *closure, const void *hd) {
MessageHeader* msg = closure;
const submsg_handlerdata_t* submsgdata = hd;
VALUE subdesc =
get_def_obj((void*)submsgdata->md);
VALUE subklass = Descriptor_msgclass(subdesc);
if (DEREF(Message_data(msg), submsgdata->ofs, VALUE) == Qnil) {
DEREF(Message_data(msg), submsgdata->ofs, VALUE) =
rb_class_new_instance(0, NULL, subklass);
}
VALUE submsg_rb = DEREF(Message_data(msg), submsgdata->ofs, VALUE);
MessageHeader* submsg;
TypedData_Get_Struct(submsg_rb, MessageHeader, &Message_type, submsg);
return submsg;
}
static void add_handlers_for_message(const void *closure, upb_handlers *h) {
Descriptor* desc = ruby_to_Descriptor(
get_def_obj((void*)upb_handlers_msgdef(h)));
// Ensure layout exists. We may be invoked to create handlers for a given
// message if we are included as a submsg of another message type before our
// class is actually built, so to work around this, we just create the layout
// (and handlers, in the class-building function) on-demand.
if (desc->layout == NULL) {
desc->layout = create_layout(desc->msgdef);
}
upb_msg_iter i;
for (upb_msg_begin(&i, desc->msgdef);
!upb_msg_done(&i);
upb_msg_next(&i)) {
const upb_fielddef *f = upb_msg_iter_field(&i);
size_t offset = desc->layout->offsets[upb_fielddef_index(f)];
if (upb_fielddef_isseq(f)) {
upb_handlerattr attr = UPB_HANDLERATTR_INITIALIZER;
upb_handlerattr_sethandlerdata(&attr, newhandlerdata(h, offset));
upb_handlers_setstartseq(h, f, startseq_handler, &attr);
upb_handlerattr_uninit(&attr);
switch (upb_fielddef_type(f)) {
#define SET_HANDLER(utype, ltype) \
case utype: \
upb_handlers_set##ltype(h, f, append##ltype##_handler, NULL); \
break;
SET_HANDLER(UPB_TYPE_BOOL, bool);
SET_HANDLER(UPB_TYPE_INT32, int32);
SET_HANDLER(UPB_TYPE_UINT32, uint32);
SET_HANDLER(UPB_TYPE_ENUM, int32);
SET_HANDLER(UPB_TYPE_FLOAT, float);
SET_HANDLER(UPB_TYPE_INT64, int64);
SET_HANDLER(UPB_TYPE_UINT64, uint64);
SET_HANDLER(UPB_TYPE_DOUBLE, double);
#undef SET_HANDLER
case UPB_TYPE_STRING:
case UPB_TYPE_BYTES: {
bool is_bytes = upb_fielddef_type(f) == UPB_TYPE_BYTES;
upb_handlers_setstartstr(h, f, is_bytes ?
appendbytes_handler : appendstr_handler,
NULL);
upb_handlers_setstring(h, f, stringdata_handler, NULL);
}
case UPB_TYPE_MESSAGE: {
upb_handlerattr attr = UPB_HANDLERATTR_INITIALIZER;
upb_handlerattr_sethandlerdata(&attr, newsubmsghandlerdata(h, 0, f));
upb_handlers_setstartsubmsg(h, f, appendsubmsg_handler, &attr);
upb_handlerattr_uninit(&attr);
break;
}
}
}
switch (upb_fielddef_type(f)) {
case UPB_TYPE_BOOL:
case UPB_TYPE_INT32:
case UPB_TYPE_UINT32:
case UPB_TYPE_ENUM:
case UPB_TYPE_FLOAT:
case UPB_TYPE_INT64:
case UPB_TYPE_UINT64:
case UPB_TYPE_DOUBLE:
// The shim writes directly at the given offset (instead of using
// DEREF()) so we need to add the msg overhead.
upb_shim_set(h, f, offset + sizeof(MessageHeader), -1);
break;
case UPB_TYPE_STRING:
case UPB_TYPE_BYTES: {
bool is_bytes = upb_fielddef_type(f) == UPB_TYPE_BYTES;
upb_handlerattr attr = UPB_HANDLERATTR_INITIALIZER;
upb_handlerattr_sethandlerdata(&attr, newhandlerdata(h, offset));
upb_handlers_setstartstr(h, f,
is_bytes ? bytes_handler : str_handler,
&attr);
upb_handlers_setstring(h, f, stringdata_handler, &attr);
upb_handlerattr_uninit(&attr);
break;
}
case UPB_TYPE_MESSAGE: {
upb_handlerattr attr = UPB_HANDLERATTR_INITIALIZER;
upb_handlerattr_sethandlerdata(&attr, newsubmsghandlerdata(h, offset, f));
upb_handlers_setstartsubmsg(h, f, submsg_handler, &attr);
upb_handlerattr_uninit(&attr);
break;
}
}
}
}
// Creates upb handlers for populating a message.
static const upb_handlers *new_fill_handlers(Descriptor* desc,
const void* owner) {
// TODO(cfallin, haberman): once upb gets a caching/memoization layer for
// handlers, reuse subdef handlers so that e.g. if we already parse
// B-with-field-of-type-C, we don't have to rebuild the whole hierarchy to
// parse A-with-field-of-type-B-with-field-of-type-C.
return upb_handlers_newfrozen(desc->msgdef, owner,
add_handlers_for_message, NULL);
}
// Constructs the handlers for filling a message's data into an in-memory
// object.
const upb_handlers* get_fill_handlers(Descriptor* desc) {
if (!desc->fill_handlers) {
desc->fill_handlers =
new_fill_handlers(desc, &desc->fill_handlers);
}
return desc->fill_handlers;
}
// Constructs the upb decoder method for parsing messages of this type.
// This is called from the message class creation code.
const upb_pbdecodermethod *new_fillmsg_decodermethod(Descriptor* desc,
const void* owner) {
const upb_handlers* handlers = get_fill_handlers(desc);
upb_pbdecodermethodopts opts;
upb_pbdecodermethodopts_init(&opts, handlers);
const upb_pbdecodermethod *ret = upb_pbdecodermethod_new(&opts, owner);
return ret;
}
static const upb_pbdecodermethod *msgdef_decodermethod(Descriptor* desc) {
if (desc->fill_method == NULL) {
desc->fill_method = new_fillmsg_decodermethod(
desc, &desc->fill_method);
}
return desc->fill_method;
}
/*
* call-seq:
* MessageClass.decode(data) => message
*
* Decodes the given data (as a string containing bytes in protocol buffers wire
* format) under the interpretration given by this message class's definition
* and returns a message object with the corresponding field values.
*/
VALUE Message_decode(VALUE klass, VALUE data) {
VALUE descriptor = rb_iv_get(klass, kDescriptorInstanceVar);
Descriptor* desc = ruby_to_Descriptor(descriptor);
VALUE msgklass = Descriptor_msgclass(descriptor);
if (TYPE(data) != T_STRING) {
rb_raise(rb_eArgError, "Expected string for binary protobuf data.");
}
VALUE msg_rb = rb_class_new_instance(0, NULL, msgklass);
MessageHeader* msg;
TypedData_Get_Struct(msg_rb, MessageHeader, &Message_type, msg);
const upb_pbdecodermethod* method = msgdef_decodermethod(desc);
const upb_handlers* h = upb_pbdecodermethod_desthandlers(method);
upb_pbdecoder decoder;
upb_sink sink;
upb_status status = UPB_STATUS_INIT;
upb_pbdecoder_init(&decoder, method, &status);
upb_sink_reset(&sink, h, msg);
upb_pbdecoder_resetoutput(&decoder, &sink);
upb_bufsrc_putbuf(RSTRING_PTR(data), RSTRING_LEN(data),
upb_pbdecoder_input(&decoder));
upb_pbdecoder_uninit(&decoder);
if (!upb_ok(&status)) {
rb_raise(rb_eRuntimeError, "Error occurred during parsing: %s.",
upb_status_errmsg(&status));
}
return msg_rb;
}
/*
* call-seq:
* MessageClass.decode_json(data) => message
*
* Decodes the given data (as a string containing bytes in protocol buffers wire
* format) under the interpretration given by this message class's definition
* and returns a message object with the corresponding field values.
*/
VALUE Message_decode_json(VALUE klass, VALUE data) {
VALUE descriptor = rb_iv_get(klass, kDescriptorInstanceVar);
Descriptor* desc = ruby_to_Descriptor(descriptor);
VALUE msgklass = Descriptor_msgclass(descriptor);
if (TYPE(data) != T_STRING) {
rb_raise(rb_eArgError, "Expected string for JSON data.");
}
// TODO(cfallin): Check and respect string encoding. If not UTF-8, we need to
// convert, because string handlers pass data directly to message string
// fields.
VALUE msg_rb = rb_class_new_instance(0, NULL, msgklass);
MessageHeader* msg;
TypedData_Get_Struct(msg_rb, MessageHeader, &Message_type, msg);
upb_status status = UPB_STATUS_INIT;
upb_json_parser parser;
upb_json_parser_init(&parser, &status);
upb_sink sink;
upb_sink_reset(&sink, get_fill_handlers(desc), msg);
upb_json_parser_resetoutput(&parser, &sink);
upb_bufsrc_putbuf(RSTRING_PTR(data), RSTRING_LEN(data),
upb_json_parser_input(&parser));
upb_json_parser_uninit(&parser);
if (!upb_ok(&status)) {
rb_raise(rb_eRuntimeError, "Error occurred during parsing: %s.",
upb_status_errmsg(&status));
}
return msg_rb;
}
// -----------------------------------------------------------------------------
// Serializing.
// -----------------------------------------------------------------------------
//
// The code below also comes from upb's prototype Ruby binding, developed by
// haberman@.
/* stringsink *****************************************************************/
// This should probably be factored into a common upb component.
typedef struct {
upb_byteshandler handler;
upb_bytessink sink;
char *ptr;
size_t len, size;
} stringsink;
static void *stringsink_start(void *_sink, const void *hd, size_t size_hint) {
stringsink *sink = _sink;
sink->len = 0;
return sink;
}
static size_t stringsink_string(void *_sink, const void *hd, const char *ptr,
size_t len, const upb_bufhandle *handle) {
UPB_UNUSED(hd);
UPB_UNUSED(handle);
stringsink *sink = _sink;
size_t new_size = sink->size;
while (sink->len + len > new_size) {
new_size *= 2;
}
if (new_size != sink->size) {
sink->ptr = realloc(sink->ptr, new_size);
sink->size = new_size;
}
memcpy(sink->ptr + sink->len, ptr, len);
sink->len += len;
return len;
}
void stringsink_init(stringsink *sink) {
upb_byteshandler_init(&sink->handler);
upb_byteshandler_setstartstr(&sink->handler, stringsink_start, NULL);
upb_byteshandler_setstring(&sink->handler, stringsink_string, NULL);
upb_bytessink_reset(&sink->sink, &sink->handler, sink);
sink->size = 32;
sink->ptr = malloc(sink->size);
sink->len = 0;
}
void stringsink_uninit(stringsink *sink) {
free(sink->ptr);
}
/* msgvisitor *****************************************************************/
// TODO: If/when we support proto2 semantics in addition to the current proto3
// semantics, which means that we have true field presence, we will want to
// modify msgvisitor so that it emits all present fields rather than all
// non-default-value fields.
//
// Likewise, when implementing JSON serialization, we may need to have a
// 'verbose' mode that outputs all fields and a 'concise' mode that outputs only
// those with non-default values.
static void putmsg(VALUE msg, const Descriptor* desc,
upb_sink *sink, int depth);
static upb_selector_t getsel(const upb_fielddef *f, upb_handlertype_t type) {
upb_selector_t ret;
bool ok = upb_handlers_getselector(f, type, &ret);
UPB_ASSERT_VAR(ok, ok);
return ret;
}
static void putstr(VALUE str, const upb_fielddef *f, upb_sink *sink) {
if (str == Qnil) return;
assert(BUILTIN_TYPE(str) == RUBY_T_STRING);
upb_sink subsink;
// Ensure that the string has the correct encoding. We also check at field-set
// time, but the user may have mutated the string object since then.
native_slot_validate_string_encoding(upb_fielddef_type(f), str);
upb_sink_startstr(sink, getsel(f, UPB_HANDLER_STARTSTR), RSTRING_LEN(str),
&subsink);
upb_sink_putstring(&subsink, getsel(f, UPB_HANDLER_STRING), RSTRING_PTR(str),
RSTRING_LEN(str), NULL);
upb_sink_endstr(sink, getsel(f, UPB_HANDLER_ENDSTR));
}
static void putsubmsg(VALUE submsg, const upb_fielddef *f, upb_sink *sink,
int depth) {
if (submsg == Qnil) return;
upb_sink subsink;
VALUE descriptor = rb_iv_get(submsg, kDescriptorInstanceVar);
Descriptor* subdesc = ruby_to_Descriptor(descriptor);
upb_sink_startsubmsg(sink, getsel(f, UPB_HANDLER_STARTSUBMSG), &subsink);
putmsg(submsg, subdesc, &subsink, depth + 1);
upb_sink_endsubmsg(sink, getsel(f, UPB_HANDLER_ENDSUBMSG));
}
static void putary(VALUE ary, const upb_fielddef *f, upb_sink *sink,
int depth) {
if (ary == Qnil) return;
upb_sink subsink;
upb_sink_startseq(sink, getsel(f, UPB_HANDLER_STARTSEQ), &subsink);
upb_fieldtype_t type = upb_fielddef_type(f);
upb_selector_t sel = 0;
if (upb_fielddef_isprimitive(f)) {
sel = getsel(f, upb_handlers_getprimitivehandlertype(f));
}
int size = NUM2INT(RepeatedField_length(ary));
for (int i = 0; i < size; i++) {
void* memory = RepeatedField_index_native(ary, i);
switch (type) {
#define T(upbtypeconst, upbtype, ctype) \
case upbtypeconst: \
upb_sink_put##upbtype(&subsink, sel, *((ctype *)memory)); \
break;
T(UPB_TYPE_FLOAT, float, float)
T(UPB_TYPE_DOUBLE, double, double)
T(UPB_TYPE_BOOL, bool, int8_t)
case UPB_TYPE_ENUM:
T(UPB_TYPE_INT32, int32, int32_t)
T(UPB_TYPE_UINT32, uint32, uint32_t)
T(UPB_TYPE_INT64, int64, int64_t)
T(UPB_TYPE_UINT64, uint64, uint64_t)
case UPB_TYPE_STRING:
case UPB_TYPE_BYTES:
putstr(*((VALUE *)memory), f, &subsink);
break;
case UPB_TYPE_MESSAGE:
putsubmsg(*((VALUE *)memory), f, &subsink, depth);
break;
#undef T
}
}
upb_sink_endseq(sink, getsel(f, UPB_HANDLER_ENDSEQ));
}
static void putmsg(VALUE msg_rb, const Descriptor* desc,
upb_sink *sink, int depth) {
upb_sink_startmsg(sink);
// Protect against cycles (possible because users may freely reassign message
// and repeated fields) by imposing a maximum recursion depth.
if (depth > UPB_SINK_MAX_NESTING) {
rb_raise(rb_eRuntimeError,
"Maximum recursion depth exceeded during encoding.");
}
MessageHeader* msg;
TypedData_Get_Struct(msg_rb, MessageHeader, &Message_type, msg);
void* msg_data = Message_data(msg);
upb_msg_iter i;
for (upb_msg_begin(&i, desc->msgdef);
!upb_msg_done(&i);
upb_msg_next(&i)) {
upb_fielddef *f = upb_msg_iter_field(&i);
uint32_t offset = desc->layout->offsets[upb_fielddef_index(f)];
if (upb_fielddef_isseq(f)) {
VALUE ary = DEREF(msg_data, offset, VALUE);
if (ary != Qnil) {
putary(ary, f, sink, depth);
}
} else if (upb_fielddef_isstring(f)) {
VALUE str = DEREF(msg_data, offset, VALUE);
if (RSTRING_LEN(str) > 0) {
putstr(str, f, sink);
}
} else if (upb_fielddef_issubmsg(f)) {
putsubmsg(DEREF(msg_data, offset, VALUE), f, sink, depth);
} else {
upb_selector_t sel = getsel(f, upb_handlers_getprimitivehandlertype(f));
#define T(upbtypeconst, upbtype, ctype, default_value) \
case upbtypeconst: { \
ctype value = DEREF(msg_data, offset, ctype); \
if (value != default_value) { \
upb_sink_put##upbtype(sink, sel, value); \
} \
} \
break;
switch (upb_fielddef_type(f)) {
T(UPB_TYPE_FLOAT, float, float, 0.0)
T(UPB_TYPE_DOUBLE, double, double, 0.0)
T(UPB_TYPE_BOOL, bool, uint8_t, 0)
case UPB_TYPE_ENUM:
T(UPB_TYPE_INT32, int32, int32_t, 0)
T(UPB_TYPE_UINT32, uint32, uint32_t, 0)
T(UPB_TYPE_INT64, int64, int64_t, 0)
T(UPB_TYPE_UINT64, uint64, uint64_t, 0)
case UPB_TYPE_STRING:
case UPB_TYPE_BYTES:
case UPB_TYPE_MESSAGE: rb_raise(rb_eRuntimeError, "Internal error.");
}
#undef T
}
}
upb_status status;
upb_sink_endmsg(sink, &status);
}
static const upb_handlers* msgdef_pb_serialize_handlers(Descriptor* desc) {
if (desc->pb_serialize_handlers == NULL) {
desc->pb_serialize_handlers =
upb_pb_encoder_newhandlers(desc->msgdef, &desc->pb_serialize_handlers);
}
return desc->pb_serialize_handlers;
}
static const upb_handlers* msgdef_json_serialize_handlers(Descriptor* desc) {
if (desc->json_serialize_handlers == NULL) {
desc->json_serialize_handlers =
upb_json_printer_newhandlers(
desc->msgdef, &desc->json_serialize_handlers);
}
return desc->json_serialize_handlers;
}
/*
* call-seq:
* MessageClass.encode(msg) => bytes
*
* Encodes the given message object to its serialized form in protocol buffers
* wire format.
*/
VALUE Message_encode(VALUE klass, VALUE msg_rb) {
VALUE descriptor = rb_iv_get(klass, kDescriptorInstanceVar);
Descriptor* desc = ruby_to_Descriptor(descriptor);
stringsink sink;
stringsink_init(&sink);
const upb_handlers* serialize_handlers =
msgdef_pb_serialize_handlers(desc);
upb_pb_encoder encoder;
upb_pb_encoder_init(&encoder, serialize_handlers);
upb_pb_encoder_resetoutput(&encoder, &sink.sink);
putmsg(msg_rb, desc, upb_pb_encoder_input(&encoder), 0);
VALUE ret = rb_str_new(sink.ptr, sink.len);
upb_pb_encoder_uninit(&encoder);
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(VALUE klass, VALUE msg_rb) {
VALUE descriptor = rb_iv_get(klass, kDescriptorInstanceVar);
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;
upb_json_printer_init(&printer, serialize_handlers);
upb_json_printer_resetoutput(&printer, &sink.sink);
putmsg(msg_rb, desc, upb_json_printer_input(&printer), 0);
VALUE ret = rb_str_new(sink.ptr, sink.len);
upb_json_printer_uninit(&printer);
stringsink_uninit(&sink);
return ret;
}
/*
* call-seq:
* Google::Protobuf.encode(msg) => bytes
*
* Encodes the given message object to protocol buffers wire format. This is an
* alternative to the #encode method on msg's class.
*/
VALUE Google_Protobuf_encode(VALUE self, VALUE msg_rb) {
VALUE klass = CLASS_OF(msg_rb);
return Message_encode(klass, msg_rb);
}
/*
* call-seq:
* Google::Protobuf.encode_json(msg) => json_string
*
* Encodes the given message object to its JSON representation. This is an
* alternative to the #encode_json method on msg's class.
*/
VALUE Google_Protobuf_encode_json(VALUE self, VALUE msg_rb) {
VALUE klass = CLASS_OF(msg_rb);
return Message_encode_json(klass, msg_rb);
}
/*
* call-seq:
* Google::Protobuf.decode(class, bytes) => msg
*
* Decodes the given bytes as protocol buffers wire format under the
* interpretation given by the given class's message definition. This is an
* alternative to the #decode method on the given class.
*/
VALUE Google_Protobuf_decode(VALUE self, VALUE klass, VALUE msg_rb) {
return Message_decode(klass, msg_rb);
}
/*
* call-seq:
* Google::Protobuf.decode_json(class, json_string) => msg
*
* Decodes the given JSON string under the interpretation given by the given
* class's message definition. This is an alternative to the #decode_json method
* on the given class.
*/
VALUE Google_Protobuf_decode_json(VALUE self, VALUE klass, VALUE msg_rb) {
return Message_decode_json(klass, msg_rb);
}
