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/*
* Copyright 2020 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef APPLE_ERROR_REF_HXX
#define APPLE_ERROR_REF_HXX
#include <CoreFoundation/CFError.h>
#include <utility>
namespace Apple {
class ErrorRef {
CFErrorRef ref = nullptr;
public:
explicit ErrorRef(CFErrorRef _ref) noexcept
:ref(_ref) {}
ErrorRef(CFAllocatorRef allocator, CFErrorDomain domain,
CFIndex code, CFDictionaryRef userInfo) noexcept
:ref(CFErrorCreate(allocator, domain, code, userInfo)) {}
ErrorRef(ErrorRef &&src) noexcept
:ref(std::exchange(src.ref, nullptr)) {}
~ErrorRef() noexcept {
if (ref)
CFRelease(ref);
}
ErrorRef &operator=(ErrorRef &&src) noexcept {
using std::swap;
swap(ref, src.ref);
return *this;
}
operator bool() const noexcept {
return ref != nullptr;
}
CFStringRef CopyDescription() const noexcept {
return CFErrorCopyDescription(ref);
}
};
} // namespace Apple
#endif
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