intl/unicharutil/util/nsUnicharUtils.h@fc2d59ddac77 (annotated)
intl/unicharutil/util/nsUnicharUtils.h
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsUnicharUtils_h__ |
| michael@0 | 7 | #define nsUnicharUtils_h__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsStringGlue.h" |
| michael@0 | 10 | |
| michael@0 | 11 | /* (0x3131u <= (u) && (u) <= 0x318eu) => Hangul Compatibility Jamo */ |
| michael@0 | 12 | /* (0xac00u <= (u) && (u) <= 0xd7a3u) => Hangul Syllables */ |
| michael@0 | 13 | #define IS_CJ_CHAR(u) \ |
| michael@0 | 14 | ((0x2e80u <= (u) && (u) <= 0x312fu) || \ |
| michael@0 | 15 | (0x3190u <= (u) && (u) <= 0xabffu) || \ |
| michael@0 | 16 | (0xf900u <= (u) && (u) <= 0xfaffu) || \ |
| michael@0 | 17 | (0xff00u <= (u) && (u) <= 0xffefu) ) |
| michael@0 | 18 | |
| michael@0 | 19 | void ToLowerCase(nsAString&); |
| michael@0 | 20 | void ToUpperCase(nsAString&); |
| michael@0 | 21 | |
| michael@0 | 22 | void ToLowerCase(const nsAString& aSource, nsAString& aDest); |
| michael@0 | 23 | void ToUpperCase(const nsAString& aSource, nsAString& aDest); |
| michael@0 | 24 | |
| michael@0 | 25 | uint32_t ToLowerCase(uint32_t); |
| michael@0 | 26 | uint32_t ToUpperCase(uint32_t); |
| michael@0 | 27 | uint32_t ToTitleCase(uint32_t); |
| michael@0 | 28 | |
| michael@0 | 29 | void ToLowerCase(const char16_t*, char16_t*, uint32_t); |
| michael@0 | 30 | void ToUpperCase(const char16_t*, char16_t*, uint32_t); |
| michael@0 | 31 | |
| michael@0 | 32 | inline bool IsUpperCase(uint32_t c) { |
| michael@0 | 33 | return ToLowerCase(c) != c; |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | inline bool IsLowerCase(uint32_t c) { |
| michael@0 | 37 | return ToUpperCase(c) != c; |
| michael@0 | 38 | } |
| michael@0 | 39 | |
| michael@0 | 40 | #ifdef MOZILLA_INTERNAL_API |
| michael@0 | 41 | |
| michael@0 | 42 | class nsCaseInsensitiveStringComparator : public nsStringComparator |
| michael@0 | 43 | { |
| michael@0 | 44 | public: |
| michael@0 | 45 | virtual int32_t operator() (const char16_t*, |
| michael@0 | 46 | const char16_t*, |
| michael@0 | 47 | uint32_t, |
| michael@0 | 48 | uint32_t) const; |
| michael@0 | 49 | }; |
| michael@0 | 50 | |
| michael@0 | 51 | class nsCaseInsensitiveUTF8StringComparator : public nsCStringComparator |
| michael@0 | 52 | { |
| michael@0 | 53 | public: |
| michael@0 | 54 | virtual int32_t operator() (const char*, |
| michael@0 | 55 | const char*, |
| michael@0 | 56 | uint32_t, |
| michael@0 | 57 | uint32_t) const; |
| michael@0 | 58 | }; |
| michael@0 | 59 | |
| michael@0 | 60 | class nsCaseInsensitiveStringArrayComparator |
| michael@0 | 61 | { |
| michael@0 | 62 | public: |
| michael@0 | 63 | template<class A, class B> |
| michael@0 | 64 | bool Equals(const A& a, const B& b) const { |
| michael@0 | 65 | return a.Equals(b, nsCaseInsensitiveStringComparator()); |
| michael@0 | 66 | } |
| michael@0 | 67 | }; |
| michael@0 | 68 | |
| michael@0 | 69 | class nsASCIICaseInsensitiveStringComparator : public nsStringComparator |
| michael@0 | 70 | { |
| michael@0 | 71 | public: |
| michael@0 | 72 | nsASCIICaseInsensitiveStringComparator() {} |
| michael@0 | 73 | virtual int operator() (const char16_t*, |
| michael@0 | 74 | const char16_t*, |
| michael@0 | 75 | uint32_t, |
| michael@0 | 76 | uint32_t) const; |
| michael@0 | 77 | }; |
| michael@0 | 78 | |
| michael@0 | 79 | inline bool |
| michael@0 | 80 | CaseInsensitiveFindInReadable(const nsAString& aPattern, |
| michael@0 | 81 | nsAString::const_iterator& aSearchStart, |
| michael@0 | 82 | nsAString::const_iterator& aSearchEnd) |
| michael@0 | 83 | { |
| michael@0 | 84 | return FindInReadable(aPattern, aSearchStart, aSearchEnd, |
| michael@0 | 85 | nsCaseInsensitiveStringComparator()); |
| michael@0 | 86 | } |
| michael@0 | 87 | |
| michael@0 | 88 | inline bool |
| michael@0 | 89 | CaseInsensitiveFindInReadable(const nsAString& aPattern, |
| michael@0 | 90 | const nsAString& aHay) |
| michael@0 | 91 | { |
| michael@0 | 92 | nsAString::const_iterator searchBegin, searchEnd; |
| michael@0 | 93 | return FindInReadable(aPattern, aHay.BeginReading(searchBegin), |
| michael@0 | 94 | aHay.EndReading(searchEnd), |
| michael@0 | 95 | nsCaseInsensitiveStringComparator()); |
| michael@0 | 96 | } |
| michael@0 | 97 | |
| michael@0 | 98 | #endif // MOZILLA_INTERNAL_API |
| michael@0 | 99 | |
| michael@0 | 100 | int32_t |
| michael@0 | 101 | CaseInsensitiveCompare(const char16_t *a, const char16_t *b, uint32_t len); |
| michael@0 | 102 | |
| michael@0 | 103 | int32_t |
| michael@0 | 104 | CaseInsensitiveCompare(const char* aLeft, const char* aRight, |
| michael@0 | 105 | uint32_t aLeftBytes, uint32_t aRightBytes); |
| michael@0 | 106 | |
| michael@0 | 107 | /** |
| michael@0 | 108 | * This function determines whether the UTF-8 sequence pointed to by aLeft is |
| michael@0 | 109 | * case-insensitively-equal to the UTF-8 sequence pointed to by aRight. |
| michael@0 | 110 | * |
| michael@0 | 111 | * aLeftEnd marks the first memory location past aLeft that is not part of |
| michael@0 | 112 | * aLeft; aRightEnd similarly marks the end of aRight. |
| michael@0 | 113 | * |
| michael@0 | 114 | * The function assumes that aLeft < aLeftEnd and aRight < aRightEnd. |
| michael@0 | 115 | * |
| michael@0 | 116 | * The function stores the addresses of the next characters in the sequence |
| michael@0 | 117 | * into aLeftNext and aRightNext. It's up to the caller to make sure that the |
| michael@0 | 118 | * returned pointers are valid -- i.e. the function may return aLeftNext >= |
| michael@0 | 119 | * aLeftEnd or aRightNext >= aRightEnd. |
| michael@0 | 120 | * |
| michael@0 | 121 | * If the function encounters invalid text, it sets aErr to true and returns |
| michael@0 | 122 | * false, possibly leaving aLeftNext and aRightNext uninitialized. If the |
| michael@0 | 123 | * function returns true, aErr is guaranteed to be false and both aLeftNext and |
| michael@0 | 124 | * aRightNext are guaranteed to be initialized. |
| michael@0 | 125 | */ |
| michael@0 | 126 | bool |
| michael@0 | 127 | CaseInsensitiveUTF8CharsEqual(const char* aLeft, const char* aRight, |
| michael@0 | 128 | const char* aLeftEnd, const char* aRightEnd, |
| michael@0 | 129 | const char** aLeftNext, const char** aRightNext, |
| michael@0 | 130 | bool* aErr); |
| michael@0 | 131 | |
| michael@0 | 132 | namespace mozilla { |
| michael@0 | 133 | |
| michael@0 | 134 | /** |
| michael@0 | 135 | * Hash a UTF8 string as though it were a UTF16 string. |
| michael@0 | 136 | * |
| michael@0 | 137 | * The value returned is the same as if we converted the string to UTF16 and |
| michael@0 | 138 | * then ran HashString() on the result. |
| michael@0 | 139 | * |
| michael@0 | 140 | * The given |length| is in bytes. |
| michael@0 | 141 | */ |
| michael@0 | 142 | uint32_t |
| michael@0 | 143 | HashUTF8AsUTF16(const char* aUTF8, uint32_t aLength, bool* aErr); |
| michael@0 | 144 | |
| michael@0 | 145 | } // namespace mozilla |
| michael@0 | 146 | |
| michael@0 | 147 | #endif /* nsUnicharUtils_h__ */ |
