Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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72 lines
2.0 KiB
72 lines
2.0 KiB
/* |
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** upb::json::Printer |
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** |
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** Handlers that emit JSON according to a specific protobuf schema. |
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*/ |
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#ifndef UPB_JSON_TYPED_PRINTER_H_ |
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#define UPB_JSON_TYPED_PRINTER_H_ |
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#include "upb/sink.h" |
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#ifdef __cplusplus |
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namespace upb { |
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namespace json { |
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class PrinterPtr; |
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} /* namespace json */ |
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} /* namespace upb */ |
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#endif |
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/* upb_json_printer ***********************************************************/ |
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#define UPB_JSON_PRINTER_SIZE 192 |
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struct upb_json_printer; |
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typedef struct upb_json_printer upb_json_printer; |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Native C API. */ |
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upb_json_printer *upb_json_printer_create(upb_arena *a, const upb_handlers *h, |
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upb_bytessink output); |
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upb_sink upb_json_printer_input(upb_json_printer *p); |
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const upb_handlers *upb_json_printer_newhandlers(const upb_msgdef *md, |
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bool preserve_fieldnames, |
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const void *owner); |
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/* Lazily builds and caches handlers that will push encoded data to a bytessink. |
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* Any msgdef objects used with this object must outlive it. */ |
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upb_handlercache *upb_json_printer_newcache(bool preserve_proto_fieldnames); |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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/* Prints an incoming stream of data to a BytesSink in JSON format. */ |
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class upb::json::PrinterPtr { |
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public: |
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PrinterPtr(upb_json_printer* ptr) : ptr_(ptr) {} |
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static PrinterPtr Create(Arena *arena, const upb::Handlers *handlers, |
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BytesSink output) { |
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return PrinterPtr( |
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upb_json_printer_create(arena->ptr(), handlers, output.sink())); |
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} |
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/* The input to the printer. */ |
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Sink input() { return upb_json_printer_input(ptr_); } |
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static const size_t kSize = UPB_JSON_PRINTER_SIZE; |
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static HandlerCache NewCache(bool preserve_proto_fieldnames) { |
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return upb_json_printer_newcache(preserve_proto_fieldnames); |
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} |
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private: |
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upb_json_printer* ptr_; |
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}; |
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#endif /* __cplusplus */ |
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#endif /* UPB_JSON_TYPED_PRINTER_H_ */
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