/src/mozilla-central/intl/unicharutil/util/IrishCasing.h
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1 | | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
3 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
4 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
5 | | |
6 | | #ifndef IrishCasing_h_ |
7 | | #define IrishCasing_h_ |
8 | | |
9 | | #include <stdint.h> |
10 | | #include "mozilla/Attributes.h" |
11 | | |
12 | | namespace mozilla { |
13 | | |
14 | | class IrishCasing { |
15 | | private: |
16 | | enum IrishStates { |
17 | | kState_Start, |
18 | | kState_InWord, |
19 | | kState_b, |
20 | | kState_bh, |
21 | | kState_d, |
22 | | kState_g, |
23 | | kState_h, |
24 | | kState_m, |
25 | | kState_n, |
26 | | kState_nt_, |
27 | | kState_t, |
28 | | kState_ts, |
29 | | kNumStates |
30 | | }; |
31 | | |
32 | | enum IrishClasses { |
33 | | kClass_b, |
34 | | kClass_B, |
35 | | kClass_cC, |
36 | | kClass_d, |
37 | | kClass_DG, |
38 | | kClass_fF, |
39 | | kClass_g, |
40 | | kClass_h, |
41 | | kClass_lLNrR, |
42 | | kClass_m, |
43 | | kClass_n, |
44 | | kClass_pP, |
45 | | kClass_sS, |
46 | | kClass_t, |
47 | | kClass_T, |
48 | | kClass_vowel, |
49 | | kClass_Vowel, |
50 | | kClass_hyph, |
51 | | kClass_letter, |
52 | | kClass_other, |
53 | | kNumClasses |
54 | | }; |
55 | | |
56 | | public: |
57 | | class State { |
58 | | friend class IrishCasing; |
59 | | |
60 | | public: |
61 | | State() |
62 | | : mState(kState_Start) |
63 | | { |
64 | | } |
65 | | |
66 | | MOZ_IMPLICIT State(const IrishStates& aState) |
67 | | : mState(aState) |
68 | 0 | { |
69 | 0 | } |
70 | | |
71 | | void Reset() |
72 | | { |
73 | | mState = kState_Start; |
74 | | } |
75 | | |
76 | | operator IrishStates() const |
77 | 0 | { |
78 | 0 | return mState; |
79 | 0 | } |
80 | | |
81 | | private: |
82 | | explicit State(uint8_t aState) |
83 | | : mState(IrishStates(aState)) |
84 | 0 | { |
85 | 0 | } |
86 | | |
87 | | uint8_t GetClass(uint32_t aCh); |
88 | | |
89 | | IrishStates mState; |
90 | | }; |
91 | | |
92 | | enum { |
93 | | kMarkPositionFlag = 0x80, |
94 | | kActionMask = 0x30, |
95 | | kActionShift = 4, |
96 | | kNextStateMask = 0x0f |
97 | | }; |
98 | | |
99 | | static const uint8_t sUppercaseStateTable[kNumClasses][kNumStates]; |
100 | | static const uint8_t sLcClasses[26]; |
101 | | static const uint8_t sUcClasses[26]; |
102 | | |
103 | | static uint32_t UpperCase(uint32_t aCh, State& aState, |
104 | | bool& aMarkPos, uint8_t& aAction); |
105 | | |
106 | | static bool IsUpperVowel(uint32_t aCh) |
107 | | { |
108 | | return GetClass(aCh) == kClass_Vowel; |
109 | | } |
110 | | |
111 | | private: |
112 | | static uint8_t GetClass(uint32_t aCh); |
113 | | }; |
114 | | |
115 | | } // namespace mozilla |
116 | | |
117 | | #endif |