blob: aeadd1bdfcee5ff9b54579cce594a20207353ec1 [file] [log] [blame]
// 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 crate::opaque_pointee::opaque_pointee;
use crate::{upb_MessageValue, upb_MutableMessageValue, CType, RawArena};
use std::ptr::NonNull;
opaque_pointee!(upb_Array);
pub type RawArray = NonNull<upb_Array>;
extern "C" {
pub fn upb_Array_New(a: RawArena, r#type: CType) -> RawArray;
pub fn upb_Array_Size(arr: RawArray) -> usize;
pub fn upb_Array_Set(arr: RawArray, i: usize, val: upb_MessageValue);
pub fn upb_Array_Get(arr: RawArray, i: usize) -> upb_MessageValue;
pub fn upb_Array_Append(arr: RawArray, val: upb_MessageValue, arena: RawArena) -> bool;
pub fn upb_Array_Resize(arr: RawArray, size: usize, arena: RawArena) -> bool;
pub fn upb_Array_Reserve(arr: RawArray, size: usize, arena: RawArena) -> bool;
pub fn upb_Array_MutableDataPtr(arr: RawArray) -> *mut std::ffi::c_void;
pub fn upb_Array_DataPtr(arr: RawArray) -> *const std::ffi::c_void;
pub fn upb_Array_GetMutable(arr: RawArray, i: usize) -> upb_MutableMessageValue;
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn array_ffi_test() {
// SAFETY: FFI unit test uses C API under expected patterns.
unsafe {
let arena = crate::Arena::new();
let raw_arena = arena.raw();
let array = upb_Array_New(raw_arena, CType::Float);
assert!(upb_Array_Append(array, upb_MessageValue { float_val: 7.0 }, raw_arena));
assert!(upb_Array_Append(array, upb_MessageValue { float_val: 42.0 }, raw_arena));
assert_eq!(upb_Array_Size(array), 2);
assert!(matches!(upb_Array_Get(array, 1), upb_MessageValue { float_val: 42.0 }));
assert!(upb_Array_Resize(array, 3, raw_arena));
assert_eq!(upb_Array_Size(array), 3);
assert!(matches!(upb_Array_Get(array, 2), upb_MessageValue { float_val: 0.0 }));
}
}
}