THUAI6/CAPI/cpp/grpc/include/upb/encode.h

/*
 * Copyright (c) 2009-2021, Google LLC
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 *
 * Redistribution and use in source and binary forms, with or without
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/*
 * upb_Encode: parsing from a upb_Message using a upb_MiniTable.
 */

#ifndef UPB_ENCODE_H_
#define UPB_ENCODE_H_

#include "upb/msg.h"

/* Must be last. */
#include "upb/port_def.inc"

#ifdef __cplusplus
extern "C"
{
#endif

    enum
    {
        /* If set, the results of serializing will be deterministic across all
         * instances of this binary. There are no guarantees across different
         * binary builds.
         *
         * If your proto contains maps, the encoder will need to malloc()/free()
         * memory during encode. */
        kUpb_EncodeOption_Deterministic = 1,

        /* When set, unknown fields are not printed. */
        kUpb_EncodeOption_SkipUnknown = 2,

        /* When set, the encode will fail if any required fields are missing. */
        kUpb_EncodeOption_CheckRequired = 4,
    };

#define UPB_ENCODE_MAXDEPTH(depth) ((depth) << 16)

    typedef enum
    {
        kUpb_EncodeStatus_Ok = 0,
        kUpb_EncodeStatus_OutOfMemory = 1,       // Arena alloc failed
        kUpb_EncodeStatus_MaxDepthExceeded = 2,  // Exceeded UPB_ENCODE_MAXDEPTH

        // kUpb_EncodeOption_CheckRequired failed but the parse otherwise succeeded.
        kUpb_EncodeStatus_MissingRequired = 3,
    } upb_EncodeStatus;

    upb_EncodeStatus upb_Encode(const void* msg, const upb_MiniTable* l, int options, upb_Arena* arena, char** buf, size_t* size);

#include "upb/port_undef.inc"

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* UPB_ENCODE_H_ */