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/*
** upb::json::Printer
**
** Handlers that emit JSON according to a specific protobuf schema.
*/
#ifndef UPB_JSON_TYPED_PRINTER_H_
#define UPB_JSON_TYPED_PRINTER_H_
#include "upb/sink.h"
#ifdef __cplusplus
namespace upb {
namespace json {
class Printer;
} /* namespace json */
} /* namespace upb */
#endif
UPB_DECLARE_TYPE(upb::json::Printer, upb_json_printer)
/* upb::json::Printer *********************************************************/
#define UPB_JSON_PRINTER_SIZE 192
#ifdef __cplusplus
/* Prints an incoming stream of data to a BytesSink in JSON format. */
class upb::json::Printer {
public:
static Printer* Create(Environment* env, const upb::Handlers* handlers,
BytesSink* output);
/* The input to the printer. */
Sink* input();
/* Returns handlers for printing according to the specified schema.
* If preserve_proto_fieldnames is true, the output JSON will use the
* original .proto field names (ie. {"my_field":3}) instead of using
* camelCased names, which is the default: (eg. {"myField":3}). */
static reffed_ptr<const Handlers> NewHandlers(const upb::MessageDef* md,
bool preserve_proto_fieldnames);
static const size_t kSize = UPB_JSON_PRINTER_SIZE;
private:
UPB_DISALLOW_POD_OPS(Printer, upb::json::Printer)
};
#endif
UPB_BEGIN_EXTERN_C
/* Native C API. */
upb_json_printer *upb_json_printer_create(upb_env *e, const upb_handlers *h,
upb_bytessink *output);
upb_sink *upb_json_printer_input(upb_json_printer *p);
const upb_handlers *upb_json_printer_newhandlers(const upb_msgdef *md,
bool preserve_fieldnames,
const void *owner);
UPB_END_EXTERN_C
#ifdef __cplusplus
namespace upb {
namespace json {
inline Printer* Printer::Create(Environment* env, const upb::Handlers* handlers,
BytesSink* output) {
return upb_json_printer_create(env, handlers, output);
}
inline Sink* Printer::input() { return upb_json_printer_input(this); }
inline reffed_ptr<const Handlers> Printer::NewHandlers(
const upb::MessageDef *md, bool preserve_proto_fieldnames) {
const Handlers* h = upb_json_printer_newhandlers(
md, preserve_proto_fieldnames, &h);
return reffed_ptr<const Handlers>(h, &h);
}
} /* namespace json */
} /* namespace upb */
#endif
#endif /* UPB_JSON_TYPED_PRINTER_H_ */
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