50 lines
945 B
C++
50 lines
945 B
C++
// SPDX-License-Identifier: BSD-2-Clause
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// author: Max Kellermann <max.kellermann@gmail.com>
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#ifndef APPLE_ERROR_REF_HXX
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#define APPLE_ERROR_REF_HXX
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#include <CoreFoundation/CFError.h>
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#include <utility>
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namespace Apple {
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class ErrorRef {
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CFErrorRef ref = nullptr;
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public:
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explicit ErrorRef(CFErrorRef _ref) noexcept
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:ref(_ref) {}
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ErrorRef(CFAllocatorRef allocator, CFErrorDomain domain,
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CFIndex code, CFDictionaryRef userInfo) noexcept
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:ref(CFErrorCreate(allocator, domain, code, userInfo)) {}
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ErrorRef(ErrorRef &&src) noexcept
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:ref(std::exchange(src.ref, nullptr)) {}
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~ErrorRef() noexcept {
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if (ref)
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CFRelease(ref);
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}
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ErrorRef &operator=(ErrorRef &&src) noexcept {
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using std::swap;
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swap(ref, src.ref);
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return *this;
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}
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operator bool() const noexcept {
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return ref != nullptr;
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}
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CFStringRef CopyDescription() const noexcept {
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return CFErrorCopyDescription(ref);
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}
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};
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} // namespace Apple
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#endif
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