core_foundation_sys/
binary_heap.rs

1// Copyright 2023 The Servo Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution.
3//
4// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7// option. This file may not be copied, modified, or distributed
8// except according to those terms.
9
10use std::os::raw::c_void;
11
12use crate::base::{Boolean, CFAllocatorRef, CFComparisonResult, CFIndex, CFTypeID};
13use crate::string::CFStringRef;
14
15#[repr(C)]
16pub struct __CFBinaryHeap(c_void);
17
18pub type CFBinaryHeapRef = *mut __CFBinaryHeap;
19
20#[repr(C)]
21#[derive(Debug, Clone, Copy)]
22pub struct CFBinaryHeapCompareContext {
23    pub version: CFIndex,
24    pub info: *mut c_void,
25    pub retain: extern "C" fn(info: *const c_void) -> *const c_void,
26    pub release: extern "C" fn(info: *const c_void),
27    pub copyDescription: extern "C" fn(info: *const c_void) -> CFStringRef,
28}
29
30#[repr(C)]
31#[derive(Debug, Clone, Copy)]
32pub struct CFBinaryHeapCallBacks {
33    pub version: CFIndex,
34    pub retain: extern "C" fn(allocator: CFAllocatorRef, ptr: *const c_void) -> *const c_void,
35    pub release: extern "C" fn(allocator: CFAllocatorRef, ptr: *const c_void),
36    pub copyDescription: extern "C" fn(ptr: *const c_void) -> CFStringRef,
37    pub compare: extern "C" fn(
38        ptr1: *const c_void,
39        ptr2: *const c_void,
40        context: *mut c_void,
41    ) -> CFComparisonResult,
42}
43
44pub type CFBinaryHeapApplierFunction = extern "C" fn(val: *const c_void, context: *const c_void);
45
46extern "C" {
47    /*
48     * CFBinaryHeap.h
49     */
50    /* Predefined Callback Structures */
51    pub static kCFStringBinaryHeapCallBacks: CFBinaryHeapCallBacks;
52
53    /* CFBinaryHeap Miscellaneous Functions */
54    pub fn CFBinaryHeapAddValue(heap: CFBinaryHeapRef, value: *const c_void);
55    pub fn CFBinaryHeapApplyFunction(
56        heap: CFBinaryHeapRef,
57        applier: CFBinaryHeapApplierFunction,
58        context: *mut c_void,
59    );
60    pub fn CFBinaryHeapContainsValue(heap: CFBinaryHeapRef, value: *const c_void) -> Boolean;
61    pub fn CFBinaryHeapCreate(
62        allocator: CFAllocatorRef,
63        capacity: CFIndex,
64        callBacks: *const CFBinaryHeapCallBacks,
65        compareContext: *const CFBinaryHeapCompareContext,
66    ) -> CFBinaryHeapRef;
67    pub fn CFBinaryHeapCreateCopy(
68        allocator: CFAllocatorRef,
69        capacity: CFIndex,
70        heap: CFBinaryHeapRef,
71    ) -> CFBinaryHeapRef;
72    pub fn CFBinaryHeapGetCount(heap: CFBinaryHeapRef) -> CFIndex;
73    pub fn CFBinaryHeapGetCountOfValue(heap: CFBinaryHeapRef, value: *const c_void) -> CFIndex;
74    pub fn CFBinaryHeapGetMinimum(heap: CFBinaryHeapRef) -> *const c_void;
75    pub fn CFBinaryHeapGetMinimumIfPresent(
76        heap: CFBinaryHeapRef,
77        value: *const *const c_void,
78    ) -> Boolean;
79    pub fn CFBinaryHeapGetTypeID() -> CFTypeID;
80    pub fn CFBinaryHeapGetValues(heap: CFBinaryHeapRef, values: *const *const c_void);
81    pub fn CFBinaryHeapRemoveAllValues(heap: CFBinaryHeapRef);
82    pub fn CFBinaryHeapRemoveMinimumValue(heap: CFBinaryHeapRef);
83}