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1 /* | 1 /* |
2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef UnicodeRangeSet_h | 26 #ifndef UnicodeRangeSet_h |
27 #define UnicodeRangeSet_h | 27 #define UnicodeRangeSet_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "platform/fonts/FontDataRange.h" | |
31 #include "wtf/Allocator.h" | 30 #include "wtf/Allocator.h" |
| 31 #include "wtf/RefCounted.h" |
| 32 #include "wtf/Vector.h" |
| 33 #include "wtf/text/CharacterNames.h" |
32 #include "wtf/text/Unicode.h" | 34 #include "wtf/text/Unicode.h" |
| 35 #include "wtf/text/WTFString.h" |
33 | 36 |
34 namespace blink { | 37 namespace blink { |
35 | 38 |
36 struct PLATFORM_EXPORT UnicodeRange { | 39 struct PLATFORM_EXPORT UnicodeRange final { |
37 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | 40 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
38 UnicodeRange(UChar32 from, UChar32 to) | 41 UnicodeRange(UChar32 from, UChar32 to) |
39 : m_from(from) | 42 : m_from(from) |
40 , m_to(to) | 43 , m_to(to) |
41 { | 44 { |
42 } | 45 } |
43 | 46 |
44 UChar32 from() const { return m_from; } | 47 UChar32 from() const { return m_from; } |
45 UChar32 to() const { return m_to; } | 48 UChar32 to() const { return m_to; } |
46 bool contains(UChar32 c) const { return m_from <= c && c <= m_to; } | 49 bool contains(UChar32 c) const { return m_from <= c && c <= m_to; } |
47 bool operator<(const UnicodeRange& other) const | 50 bool operator<(const UnicodeRange& other) const |
48 { | 51 { |
49 return m_from < other.m_from; | 52 return m_from < other.m_from; |
50 } | 53 } |
51 bool operator<(UChar32 c) const { return m_to < c; } | 54 bool operator<(UChar32 c) const { return m_to < c; } |
52 bool operator==(const FontDataRange& fontDataRange) const | 55 bool operator==(const UnicodeRange& other) const |
53 { | 56 { |
54 return fontDataRange.from() == m_from | 57 return other.m_from == m_from && other.m_to == m_to; |
55 && fontDataRange.to() == m_to; | |
56 }; | 58 }; |
57 | 59 |
58 private: | 60 private: |
59 UChar32 m_from; | 61 UChar32 m_from; |
60 UChar32 m_to; | 62 UChar32 m_to; |
61 }; | 63 }; |
62 | 64 |
63 class PLATFORM_EXPORT UnicodeRangeSet { | 65 class PLATFORM_EXPORT UnicodeRangeSet : public RefCounted<UnicodeRangeSet> { |
64 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | |
65 | |
66 public: | 66 public: |
67 explicit UnicodeRangeSet(const Vector<UnicodeRange>&); | 67 explicit UnicodeRangeSet(const Vector<UnicodeRange>&); |
| 68 UnicodeRangeSet() { }; |
68 bool contains(UChar32) const; | 69 bool contains(UChar32) const; |
69 bool contains(const FontDataRange&) const; | |
70 bool intersectsWith(const String&) const; | 70 bool intersectsWith(const String&) const; |
71 bool isEntireRange() const { return m_ranges.isEmpty(); } | 71 bool isEntireRange() const { return m_ranges.isEmpty(); } |
72 size_t size() const { return m_ranges.size(); } | 72 size_t size() const { return m_ranges.size(); } |
73 const UnicodeRange& rangeAt(size_t i) const { return m_ranges[i]; } | 73 const UnicodeRange& rangeAt(size_t i) const { return m_ranges[i]; } |
| 74 bool operator==(const UnicodeRangeSet& other) const; |
| 75 |
74 private: | 76 private: |
75 Vector<UnicodeRange> m_ranges; // If empty, represents the whole code space. | 77 Vector<UnicodeRange> m_ranges; // If empty, represents the whole code space. |
76 }; | 78 }; |
77 | 79 |
78 } // namespace blink | 80 } // namespace blink |
79 | 81 |
80 #endif | 82 #endif |
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