1/*
2 * Copyright (C) 2014 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "TelephoneNumberDetector.h"
28
29#if ENABLE(TELEPHONE_NUMBER_DETECTION)
30
31#include "SoftLinking.h"
32
33#ifdef __has_include
34#if __has_include(<DataDetectorsCore/DDDFACache.h>)
35#include <DataDetectorsCore/DDDFACache.h>
36#else
37typedef void* DDDFACacheRef;
38#endif
39
40#if __has_include(<DataDetectorsCore/DDDFAScanner.h>)
41#include <DataDetectorsCore/DDDFAScanner.h>
42#else
43typedef void* DDDFAScannerRef;
44#endif
45#endif
46
47SOFT_LINK_PRIVATE_FRAMEWORK_OPTIONAL(DataDetectorsCore)
48SOFT_LINK(DataDetectorsCore, DDDFACacheCreateFromFramework, DDDFACacheRef, (), ())
49SOFT_LINK(DataDetectorsCore, DDDFAScannerCreateFromCache, DDDFAScannerRef, (DDDFACacheRef cache), (cache))
50SOFT_LINK(DataDetectorsCore, DDDFAScannerFirstResultInUnicharArray, Boolean, (DDDFAScannerRef scanner, const UniChar* str, unsigned length, int* startPos, int* endPos), (scanner, str, length, startPos, endPos))
51
52namespace WebCore {
53namespace TelephoneNumberDetector {
54
55static DDDFAScannerRef phoneNumbersScanner()
56{
57    if (!DataDetectorsCoreLibrary())
58        return nullptr;
59
60    static DDDFACacheRef cache = DDDFACacheCreateFromFramework();
61    if (!cache)
62        return nullptr;
63
64    static DDDFAScannerRef scanner = DDDFAScannerCreateFromCache(cache);
65    return scanner;
66}
67
68bool isSupported()
69{
70    return phoneNumbersScanner() != nullptr;
71}
72
73bool find(const UChar* buffer, unsigned length, int* startPos, int* endPos)
74{
75    ASSERT(isSupported());
76    return DDDFAScannerFirstResultInUnicharArray(phoneNumbersScanner(), buffer, length, startPos, endPos);
77}
78
79} // namespace TelephoneNumberDetector
80} // namespace WebCore
81
82#endif // ENABLE(TELEPHONE_NUMBER_DETECTION)
83