blob: 2ddc5d6059d032e74a3016a7404286653a48369a [file] [log] [blame]
/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#include "config.h"
#include "TelephoneNumberDetector.h"
#if ENABLE(TELEPHONE_NUMBER_DETECTION)
#include <wtf/SoftLinking.h>
#if USE(APPLE_INTERNAL_SDK)
#include <DataDetectorsCore/DDDFAScanner.h>
#else
typedef struct __DDDFAScanner DDDFAScanner, * DDDFAScannerRef;
struct __DDDFACache;
#endif
SOFT_LINK_PRIVATE_FRAMEWORK_OPTIONAL(DataDetectorsCore)
SOFT_LINK(DataDetectorsCore, DDDFACacheCreateFromFramework, struct __DDDFACache*, (), ())
SOFT_LINK(DataDetectorsCore, DDDFAScannerCreateFromCache, DDDFAScannerRef, (struct __DDDFACache* cache), (cache))
SOFT_LINK(DataDetectorsCore, DDDFAScannerFirstResultInUnicharArray, Boolean, (DDDFAScannerRef scanner, const UniChar* str, unsigned length, int* startPos, int* endPos), (scanner, str, length, startPos, endPos))
namespace WebCore {
namespace TelephoneNumberDetector {
static DDDFAScannerRef phoneNumbersScanner()
{
static NeverDestroyed<RetainPtr<DDDFAScannerRef>> scanner;
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
if (DataDetectorsCoreLibrary()) {
if (auto cache = adoptCF(DDDFACacheCreateFromFramework()))
scanner.get() = adoptCF(DDDFAScannerCreateFromCache(cache.get()));
}
});
return scanner.get().get();
}
void prewarm()
{
// Prewarm on a background queue to avoid hanging the main thread.
dispatch_async(dispatch_get_global_queue(0, 0), ^{
phoneNumbersScanner();
});
}
bool isSupported()
{
return phoneNumbersScanner() != nullptr;
}
bool find(const UChar* buffer, unsigned length, int* startPos, int* endPos)
{
ASSERT(isSupported());
return DDDFAScannerFirstResultInUnicharArray(phoneNumbersScanner(), reinterpret_cast<const UniChar*>(buffer), length, startPos, endPos);
}
} // namespace TelephoneNumberDetector
} // namespace WebCore
#endif // ENABLE(TELEPHONE_NUMBER_DETECTION)