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// Protocol Buffers - Google's data interchange format
// Copyright 2024 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
use super::opaque_pointee::opaque_pointee;
use core::ptr::NonNull;
opaque_pointee!(upb_MiniTable);
pub type RawMiniTable = NonNull<upb_MiniTable>;
opaque_pointee!(upb_MiniTableField);
pub type RawMiniTableField = NonNull<upb_MiniTableField>;
extern "C" {
/// Finds the field with the provided number, will return NULL if no such
/// field is found.
///
/// # Safety
/// - `m` must be legal to deref
pub fn upb_MiniTable_FindFieldByNumber(
m: *const upb_MiniTable,
number: u32,
) -> *const upb_MiniTableField;
/// Gets the field with the corresponding upb field index. This will never
/// return null: the provided number must be within bounds or else this is
/// UB.
///
/// # Safety
/// - `m` must be legal to deref
/// - `number` must be a valid field index in the `m` table
pub fn upb_MiniTable_GetFieldByIndex(
m: *const upb_MiniTable,
number: u32,
) -> *const upb_MiniTableField;
/// Gets the sub-MiniTable associated with `f`.
/// # Safety
/// - `m` and `f` must be valid to deref
/// - `f` must be a mesage or map typed field associated with `m`
pub fn upb_MiniTable_SubMessage(
m: *const upb_MiniTable,
f: *const upb_MiniTableField,
) -> *const upb_MiniTable;
}
#[cfg(test)]
mod tests {
use super::*;
use googletest::gtest;
#[gtest]
fn assert_mini_table_linked() {
use crate::assert_linked;
assert_linked!(upb_MiniTable_FindFieldByNumber);
assert_linked!(upb_MiniTable_GetFieldByIndex);
assert_linked!(upb_MiniTable_SubMessage);
}
}
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