74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
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/*
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* Copyright 2020 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef APPLE_STRING_REF_HXX
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#define APPLE_STRING_REF_HXX
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#include <CoreFoundation/CFString.h>
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#include <utility>
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namespace Apple {
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class StringRef {
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CFStringRef ref = nullptr;
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public:
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explicit StringRef(CFStringRef _ref) noexcept
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:ref(_ref) {}
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StringRef(StringRef &&src) noexcept
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:ref(std::exchange(src.ref, nullptr)) {}
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~StringRef() noexcept {
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if (ref)
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CFRelease(ref);
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}
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StringRef &operator=(StringRef &&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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bool GetCString(char *buffer, std::size_t size,
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CFStringEncoding encoding=kCFStringEncodingUTF8) const noexcept
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{
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return CFStringGetCString(ref, buffer, size, encoding);
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}
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};
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} // namespace Apple
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#endif
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