Jack Moffitt
76 lines
1.7 KiB
Rust
76 lines
1.7 KiB
Rust
// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! A Boolean type.
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use base::{CFRelease, CFTypeID, TCFType};
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pub type Boolean = u32;
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struct __CFBoolean;
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pub type CFBooleanRef = *__CFBoolean;
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/// A Boolean type.
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///
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/// FIXME(pcwalton): Should be a newtype struct, but that fails due to a Rust compiler bug.
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pub struct CFBoolean {
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priv obj: CFBooleanRef,
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}
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impl Drop for CFBoolean {
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fn drop(&mut self) {
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unsafe {
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CFRelease(self.as_CFTypeRef())
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}
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}
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}
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impl TCFType<CFBooleanRef> for CFBoolean {
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fn as_concrete_TypeRef(&self) -> CFBooleanRef {
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self.obj
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}
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unsafe fn wrap_under_create_rule(obj: CFBooleanRef) -> CFBoolean {
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CFBoolean {
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obj: obj,
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}
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}
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#[inline]
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fn type_id(_: Option<CFBoolean>) -> CFTypeID {
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unsafe {
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CFBooleanGetTypeID()
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}
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}
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}
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impl CFBoolean {
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pub fn true_value() -> CFBoolean {
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unsafe {
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TCFType::wrap_under_get_rule(kCFBooleanTrue)
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}
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}
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pub fn false_value() -> CFBoolean {
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unsafe {
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TCFType::wrap_under_get_rule(kCFBooleanFalse)
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}
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}
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}
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#[link(name = "CoreFoundation", kind = "framework")]
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extern {
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static kCFBooleanTrue: CFBooleanRef;
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static kCFBooleanFalse: CFBooleanRef;
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fn CFBooleanGetTypeID() -> CFTypeID;
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}
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