Auto merge of #593 - michaelwright235:bit_v, r=jdm

sys: Introduce CFBitVector

Implements CFBitVector and CFMutableBitVector related functions.

Author: bors-servo

core-foundation-sys/src/bit_vector.rs

@@ -0,0 +1,55 @@
+// Copyright 2023 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::os::raw::c_void;
+
+use base::{CFAllocatorRef, Boolean, UInt32, CFIndex, CFTypeID, CFRange, UInt8};
+
+#[repr(C)]
+pub struct __CFBitVector(c_void);
+
+pub type CFBitVectorRef = *const __CFBitVector;
+pub type CFMutableBitVectorRef = *mut __CFBitVector;
+pub type CFBit = UInt32;
+
+extern {
+    /*
+    * CFBitVector.h
+    */
+
+    /* CFBitVector */
+    /* Creating a Bit Vector */
+    pub fn CFBitVectorCreate(allocator: CFAllocatorRef, bytes: *const UInt8, numBits: CFIndex) -> CFBitVectorRef;
+    pub fn CFBitVectorCreateCopy(allocator: CFAllocatorRef, bv: CFBitVectorRef) -> CFBitVectorRef;
+
+    /* Getting Information About a Bit Vector */
+    pub fn CFBitVectorContainsBit(bv: CFBitVectorRef, range: CFRange, value: CFBit) -> Boolean;
+    pub fn CFBitVectorGetBitAtIndex(bv: CFBitVectorRef, idx: CFIndex) -> CFBit;
+    pub fn CFBitVectorGetBits(bv: CFBitVectorRef, range: CFRange, bytes: *mut UInt8);
+    pub fn CFBitVectorGetCount(bv: CFBitVectorRef) -> CFIndex;
+    pub fn CFBitVectorGetCountOfBit(bv: CFBitVectorRef, range: CFRange, value: CFBit) -> CFIndex;
+    pub fn CFBitVectorGetFirstIndexOfBit(bv: CFBitVectorRef, range: CFRange, value: CFBit) -> CFIndex;
+    pub fn CFBitVectorGetLastIndexOfBit(bv: CFBitVectorRef, range: CFRange, value: CFBit) -> CFIndex;
+
+    /* Getting the CFBitVector Type ID */
+    pub fn CFBitVectorGetTypeID() -> CFTypeID;
+
+    /* CFMutableBitVector */
+    /* Creating a CFMutableBitVector Object */
+    pub fn CFBitVectorCreateMutable(allocator: CFAllocatorRef, capacity: CFIndex) -> CFMutableBitVectorRef;
+    pub fn CFBitVectorCreateMutableCopy(allocator: CFAllocatorRef, capacity: CFIndex, bv: CFBitVectorRef) -> CFMutableBitVectorRef;
+
+    /* Modifying a Bit Vector */
+    pub fn CFBitVectorFlipBitAtIndex(bv: CFMutableBitVectorRef, idx: CFIndex);
+    pub fn CFBitVectorFlipBits(bv: CFMutableBitVectorRef, range: CFRange);
+    pub fn CFBitVectorSetAllBits(bv: CFMutableBitVectorRef, value: CFBit);
+    pub fn CFBitVectorSetBitAtIndex(bv: CFMutableBitVectorRef, idx: CFIndex, value: CFBit);
+    pub fn CFBitVectorSetBits(bv: CFMutableBitVectorRef, range: CFRange, value: CFBit);
+    pub fn CFBitVectorSetCount(bv: CFMutableBitVectorRef, count: CFIndex);
+}

core-foundation-sys/src/lib.rs

@@ -24,6 +24,7 @@ pub mod array;
 pub mod attributed_string;
 pub mod bag;
 pub mod base;
+pub mod bit_vector;
 pub mod bundle;
 pub mod calendar;
 pub mod characterset;