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/*
** upb::pb::Encoder (upb_pb_encoder)
**
** Implements a set of upb_handlers that write protobuf data to the binary wire
** format.
**
** This encoder implementation does not have any access to any out-of-band or
** precomputed lengths for submessages, so it must buffer submessages internally
** before it can emit the first byte.
*/
#ifndef UPB_ENCODER_H_
#define UPB_ENCODER_H_
#include "upb/sink.h"
#ifdef __cplusplus
namespace upb {
namespace pb {
class Encoder;
} /* namespace pb */
} /* namespace upb */
#endif
UPB_DECLARE_TYPE(upb::pb::Encoder, upb_pb_encoder)
#define UPB_PBENCODER_MAX_NESTING 100
/* upb::pb::Encoder ***********************************************************/
/* Preallocation hint: decoder won't allocate more bytes than this when first
* constructed. This hint may be an overestimate for some build configurations.
* But if the decoder library is upgraded without recompiling the application,
* it may be an underestimate. */
#define UPB_PB_ENCODER_SIZE 768
#ifdef __cplusplus
class upb::pb::Encoder {
public:
/* Creates a new encoder in the given environment. The Handlers must have
* come from NewHandlers() below. */
static Encoder* Create(Environment* env, const Handlers* handlers,
BytesSink* output);
/* The input to the encoder. */
Sink* input();
/* Creates a new set of handlers for this MessageDef. */
static reffed_ptr<const Handlers> NewHandlers(const MessageDef* msg);
static const size_t kSize = UPB_PB_ENCODER_SIZE;
private:
UPB_DISALLOW_POD_OPS(Encoder, upb::pb::Encoder)
};
#endif
UPB_BEGIN_EXTERN_C
const upb_handlers *upb_pb_encoder_newhandlers(const upb_msgdef *m,
const void *owner);
upb_sink *upb_pb_encoder_input(upb_pb_encoder *p);
upb_pb_encoder* upb_pb_encoder_create(upb_env* e, const upb_handlers* h,
upb_bytessink* output);
UPB_END_EXTERN_C
#ifdef __cplusplus
namespace upb {
namespace pb {
inline Encoder* Encoder::Create(Environment* env, const Handlers* handlers,
BytesSink* output) {
return upb_pb_encoder_create(env, handlers, output);
}
inline Sink* Encoder::input() {
return upb_pb_encoder_input(this);
}
inline reffed_ptr<const Handlers> Encoder::NewHandlers(
const upb::MessageDef *md) {
const Handlers* h = upb_pb_encoder_newhandlers(md, &h);
return reffed_ptr<const Handlers>(h, &h);
}
} /* namespace pb */
} /* namespace upb */
#endif
#endif /* UPB_ENCODER_H_ */
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