Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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85 lines
2.4 KiB
85 lines
2.4 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 Printer; |
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} /* namespace json */ |
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} /* namespace upb */ |
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#endif |
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UPB_DECLARE_TYPE(upb::json::Printer, upb_json_printer) |
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/* upb::json::Printer *********************************************************/ |
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#define UPB_JSON_PRINTER_SIZE 192 |
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#ifdef __cplusplus |
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/* Prints an incoming stream of data to a BytesSink in JSON format. */ |
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class upb::json::Printer { |
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public: |
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static Printer* Create(Environment* env, const upb::Handlers* handlers, |
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BytesSink* output); |
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/* The input to the printer. */ |
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Sink* input(); |
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/* Returns handlers for printing according to the specified schema. |
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* If preserve_proto_fieldnames is true, the output JSON will use the |
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* original .proto field names (ie. {"my_field":3}) instead of using |
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* camelCased names, which is the default: (eg. {"myField":3}). */ |
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static reffed_ptr<const Handlers> NewHandlers(const upb::MessageDef* md, |
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bool preserve_proto_fieldnames); |
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static const size_t kSize = UPB_JSON_PRINTER_SIZE; |
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private: |
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UPB_DISALLOW_POD_OPS(Printer, upb::json::Printer) |
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}; |
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#endif |
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UPB_BEGIN_EXTERN_C |
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/* Native C API. */ |
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upb_json_printer *upb_json_printer_create(upb_env *e, 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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UPB_END_EXTERN_C |
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#ifdef __cplusplus |
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namespace upb { |
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namespace json { |
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inline Printer* Printer::Create(Environment* env, const upb::Handlers* handlers, |
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BytesSink* output) { |
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return upb_json_printer_create(env, handlers, output); |
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} |
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inline Sink* Printer::input() { return upb_json_printer_input(this); } |
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inline reffed_ptr<const Handlers> Printer::NewHandlers( |
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const upb::MessageDef *md, bool preserve_proto_fieldnames) { |
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const Handlers* h = upb_json_printer_newhandlers( |
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md, preserve_proto_fieldnames, &h); |
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return reffed_ptr<const Handlers>(h, &h); |
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} |
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} /* namespace json */ |
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} /* namespace upb */ |
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#endif |
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#endif /* UPB_JSON_TYPED_PRINTER_H_ */
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