84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
/*
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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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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* 1. 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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* 2. 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 distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, 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 OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "TelephoneNumberDetector.h"
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#if ENABLE(TELEPHONE_NUMBER_DETECTION)
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#include <wtf/SoftLinking.h>
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#if USE(APPLE_INTERNAL_SDK)
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#include <DataDetectorsCore/DDDFAScanner.h>
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#else
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typedef struct __DDDFAScanner DDDFAScanner, * DDDFAScannerRef;
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struct __DDDFACache;
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#endif
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SOFT_LINK_PRIVATE_FRAMEWORK_OPTIONAL(DataDetectorsCore)
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SOFT_LINK(DataDetectorsCore, DDDFACacheCreateFromFramework, struct __DDDFACache*, (), ())
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SOFT_LINK(DataDetectorsCore, DDDFAScannerCreateFromCache, DDDFAScannerRef, (struct __DDDFACache* cache), (cache))
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SOFT_LINK(DataDetectorsCore, DDDFAScannerFirstResultInUnicharArray, Boolean, (DDDFAScannerRef scanner, const UniChar* str, unsigned length, int* startPos, int* endPos), (scanner, str, length, startPos, endPos))
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namespace WebCore {
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namespace TelephoneNumberDetector {
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static DDDFAScannerRef phoneNumbersScanner()
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{
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static NeverDestroyed<RetainPtr<DDDFAScannerRef>> scanner;
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static std::once_flag onceFlag;
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std::call_once(onceFlag, [] {
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if (DataDetectorsCoreLibrary()) {
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if (auto cache = adoptCF(DDDFACacheCreateFromFramework()))
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scanner.get() = adoptCF(DDDFAScannerCreateFromCache(cache.get()));
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}
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});
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return scanner.get().get();
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}
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void prewarm()
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{
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// Prewarm on a background queue to avoid hanging the main thread.
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dispatch_async(dispatch_get_global_queue(0, 0), ^{
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phoneNumbersScanner();
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});
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}
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bool isSupported()
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{
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return phoneNumbersScanner() != nullptr;
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}
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bool find(const UChar* buffer, unsigned length, int* startPos, int* endPos)
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{
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ASSERT(isSupported());
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return DDDFAScannerFirstResultInUnicharArray(phoneNumbersScanner(), reinterpret_cast<const UniChar*>(buffer), length, startPos, endPos);
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}
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} // namespace TelephoneNumberDetector
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} // namespace WebCore
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#endif // ENABLE(TELEPHONE_NUMBER_DETECTION)
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