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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 PrinterPtr;
} /* namespace json */
} /* namespace upb */
#endif
/* upb_json_printer ***********************************************************/
#define UPB_JSON_PRINTER_SIZE 192
struct upb_json_printer;
typedef struct upb_json_printer upb_json_printer;
#ifdef __cplusplus
extern "C" {
#endif
/* Native C API. */
upb_json_printer *upb_json_printer_create(upb_arena *a, 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);
/* Lazily builds and caches handlers that will push encoded data to a bytessink.
* Any msgdef objects used with this object must outlive it. */
upb_handlercache *upb_json_printer_newcache(bool preserve_proto_fieldnames);
#ifdef __cplusplus
} /* extern "C" */
/* Prints an incoming stream of data to a BytesSink in JSON format. */
class upb::json::PrinterPtr {
public:
PrinterPtr(upb_json_printer* ptr) : ptr_(ptr) {}
static PrinterPtr Create(Arena *arena, const upb::Handlers *handlers,
BytesSink output) {
return PrinterPtr(
upb_json_printer_create(arena->ptr(), handlers, output.sink()));
}
/* The input to the printer. */
Sink input() { return upb_json_printer_input(ptr_); }
static const size_t kSize = UPB_JSON_PRINTER_SIZE;
static HandlerCache NewCache(bool preserve_proto_fieldnames) {
return upb_json_printer_newcache(preserve_proto_fieldnames);
}
private:
upb_json_printer* ptr_;
};
#endif /* __cplusplus */
#endif /* UPB_JSON_TYPED_PRINTER_H_ */
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