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

/*
 * Copyright (c) 2009-2021, Google LLC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Google LLC nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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/*
 * Public APIs for message operations that do not require descriptors.
 * These functions can be used even in build that does not want to depend on
 * reflection or descriptors.
 *
 * Descriptor-based reflection functionality lives in reflection.h.
 */

#ifndef UPB_MSG_H_
#define UPB_MSG_H_

#include <stddef.h>

// TODO(b/232091617): Remove this and fix everything that breaks as a result.
#include "upb/extension_registry.h"
#include "upb/upb.h"

#ifdef __cplusplus
extern "C"
{
#endif

    typedef void upb_Message;

    /* For users these are opaque. They can be obtained from
     * upb_MessageDef_MiniTable() but users cannot access any of the members. */
    struct upb_MiniTable;
    typedef struct upb_MiniTable upb_MiniTable;

    /* Adds unknown data (serialized protobuf data) to the given message.  The data
     * is copied into the message instance. */
    void upb_Message_AddUnknown(upb_Message* msg, const char* data, size_t len, upb_Arena* arena);

    /* Returns a reference to the message's unknown data. */
    const char* upb_Message_GetUnknown(const upb_Message* msg, size_t* len);

    /* Returns the number of extensions present in this message. */
    size_t upb_Message_ExtensionCount(const upb_Message* msg);

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

#endif /* UPB_MSG_INT_H_ */