71 lines
1.9 KiB
Rust
71 lines
1.9 KiB
Rust
// Copyright 2016 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.
|
|
|
|
//! Core Foundation errors.
|
|
|
|
pub use core_foundation_sys::error::*;
|
|
|
|
use std::error::Error;
|
|
use std::fmt;
|
|
|
|
use crate::base::{CFIndex, TCFType};
|
|
use crate::string::CFString;
|
|
|
|
declare_TCFType! {
|
|
/// An error value.
|
|
CFError, CFErrorRef
|
|
}
|
|
impl_TCFType!(CFError, CFErrorRef, CFErrorGetTypeID);
|
|
|
|
impl fmt::Debug for CFError {
|
|
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
|
fmt.debug_struct("CFError")
|
|
.field("domain", &self.domain())
|
|
.field("code", &self.code())
|
|
.field("description", &self.description())
|
|
.finish()
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for CFError {
|
|
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
|
write!(fmt, "{}", self.description())
|
|
}
|
|
}
|
|
|
|
impl Error for CFError {
|
|
fn description(&self) -> &str {
|
|
"a Core Foundation error"
|
|
}
|
|
}
|
|
|
|
impl CFError {
|
|
/// Returns a string identifying the domain with which this error is
|
|
/// associated.
|
|
pub fn domain(&self) -> CFString {
|
|
unsafe {
|
|
let s = CFErrorGetDomain(self.0);
|
|
CFString::wrap_under_get_rule(s)
|
|
}
|
|
}
|
|
|
|
/// Returns the code identifying this type of error.
|
|
pub fn code(&self) -> CFIndex {
|
|
unsafe { CFErrorGetCode(self.0) }
|
|
}
|
|
|
|
/// Returns a human-presentable description of the error.
|
|
pub fn description(&self) -> CFString {
|
|
unsafe {
|
|
let s = CFErrorCopyDescription(self.0);
|
|
CFString::wrap_under_create_rule(s)
|
|
}
|
|
}
|
|
}
|