upb/mini_table/message.c

// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC.  All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd

#include "upb/mini_table/message.h"

#include <stddef.h>
#include <stdint.h>

#include "upb/mini_table/field.h"

// Must be last.
#include "upb/port/def.inc"

const upb_MiniTableField* upb_MiniTable_GetOneof(const upb_MiniTable* m,
                                                 const upb_MiniTableField* f) {
  if (UPB_UNLIKELY(!upb_MiniTableField_IsInOneof(f))) {
    return NULL;
  }
  const upb_MiniTableField* ptr = &m->UPB_PRIVATE(fields)[0];
  const upb_MiniTableField* end =
      &m->UPB_PRIVATE(fields)[m->UPB_PRIVATE(field_count)];
  for (; ptr < end; ptr++) {
    if (ptr->presence == (*f).presence) {
      return ptr;
    }
  }
  return NULL;
}

bool upb_MiniTable_NextOneofField(const upb_MiniTable* m,
                                  const upb_MiniTableField** f) {
  const upb_MiniTableField* ptr = *f;
  const upb_MiniTableField* end =
      &m->UPB_PRIVATE(fields)[m->UPB_PRIVATE(field_count)];
  while (++ptr < end) {
    if (ptr->presence == (*f)->presence) {
      *f = ptr;
      return true;
    }
  }
  return false;
}