other-licenses/7zstub/src/Common/String.cpp@925c144e1f1f (annotated)
other-licenses/7zstub/src/Common/String.cpp
Fri, 16 Jan 2015 18:13:44 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 18:13:44 +0100
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
- permissions
- -rw-r--r--
Integrate suggestion from review to improve consistency with existing code.
| michael@0 | 1 | // Common/String.cpp |
| michael@0 | 2 | |
| michael@0 | 3 | #include "StdAfx.h" |
| michael@0 | 4 | |
| michael@0 | 5 | #ifdef _WIN32 |
| michael@0 | 6 | #include "StringConvert.h" |
| michael@0 | 7 | #else |
| michael@0 | 8 | #include <ctype.h> |
| michael@0 | 9 | #endif |
| michael@0 | 10 | |
| michael@0 | 11 | #include "Common/String.h" |
| michael@0 | 12 | |
| michael@0 | 13 | |
| michael@0 | 14 | #ifdef _WIN32 |
| michael@0 | 15 | |
| michael@0 | 16 | #ifndef _UNICODE |
| michael@0 | 17 | |
| michael@0 | 18 | wchar_t MyCharUpper(wchar_t c) |
| michael@0 | 19 | { |
| michael@0 | 20 | if (c == 0) |
| michael@0 | 21 | return 0; |
| michael@0 | 22 | wchar_t *res = CharUpperW((LPWSTR)(unsigned int)c); |
| michael@0 | 23 | if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) |
| michael@0 | 24 | return (wchar_t)(unsigned int)res; |
| michael@0 | 25 | const int kBufferSize = 4; |
| michael@0 | 26 | char s[kBufferSize + 1]; |
| michael@0 | 27 | int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufferSize, 0, 0); |
| michael@0 | 28 | if (numChars == 0 || numChars > kBufferSize) |
| michael@0 | 29 | return c; |
| michael@0 | 30 | s[numChars] = 0; |
| michael@0 | 31 | ::CharUpperA(s); |
| michael@0 | 32 | ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1); |
| michael@0 | 33 | return c; |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | wchar_t MyCharLower(wchar_t c) |
| michael@0 | 37 | { |
| michael@0 | 38 | if (c == 0) |
| michael@0 | 39 | return 0; |
| michael@0 | 40 | wchar_t *res = CharLowerW((LPWSTR)(unsigned int)c); |
| michael@0 | 41 | if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) |
| michael@0 | 42 | return (wchar_t)(unsigned int)res; |
| michael@0 | 43 | const int kBufferSize = 4; |
| michael@0 | 44 | char s[kBufferSize + 1]; |
| michael@0 | 45 | int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufferSize, 0, 0); |
| michael@0 | 46 | if (numChars == 0 || numChars > kBufferSize) |
| michael@0 | 47 | return c; |
| michael@0 | 48 | s[numChars] = 0; |
| michael@0 | 49 | ::CharLowerA(s); |
| michael@0 | 50 | ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1); |
| michael@0 | 51 | return c; |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | wchar_t * MyStringUpper(wchar_t *s) |
| michael@0 | 55 | { |
| michael@0 | 56 | if (s == 0) |
| michael@0 | 57 | return 0; |
| michael@0 | 58 | wchar_t *res = CharUpperW(s); |
| michael@0 | 59 | if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) |
| michael@0 | 60 | return res; |
| michael@0 | 61 | AString a = UnicodeStringToMultiByte(s); |
| michael@0 | 62 | a.MakeUpper(); |
| michael@0 | 63 | return MyStringCopy(s, (const wchar_t *)MultiByteToUnicodeString(a)); |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | wchar_t * MyStringLower(wchar_t *s) |
| michael@0 | 67 | { |
| michael@0 | 68 | if (s == 0) |
| michael@0 | 69 | return 0; |
| michael@0 | 70 | wchar_t *res = CharLowerW(s); |
| michael@0 | 71 | if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) |
| michael@0 | 72 | return res; |
| michael@0 | 73 | AString a = UnicodeStringToMultiByte(s); |
| michael@0 | 74 | a.MakeLower(); |
| michael@0 | 75 | return MyStringCopy(s, (const wchar_t *)MultiByteToUnicodeString(a)); |
| michael@0 | 76 | } |
| michael@0 | 77 | |
| michael@0 | 78 | #endif |
| michael@0 | 79 | |
| michael@0 | 80 | /* |
| michael@0 | 81 | inline int ConvertCompareResult(int r) { return r - 2; } |
| michael@0 | 82 | |
| michael@0 | 83 | int MyStringCollate(const wchar_t *s1, const wchar_t *s2) |
| michael@0 | 84 | { |
| michael@0 | 85 | int res = CompareStringW( |
| michael@0 | 86 | LOCALE_USER_DEFAULT, SORT_STRINGSORT, s1, -1, s2, -1); |
| michael@0 | 87 | #ifdef _UNICODE |
| michael@0 | 88 | return ConvertCompareResult(res); |
| michael@0 | 89 | #else |
| michael@0 | 90 | if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) |
| michael@0 | 91 | return ConvertCompareResult(res); |
| michael@0 | 92 | return MyStringCollate(UnicodeStringToMultiByte(s1), |
| michael@0 | 93 | UnicodeStringToMultiByte(s2)); |
| michael@0 | 94 | #endif |
| michael@0 | 95 | } |
| michael@0 | 96 | |
| michael@0 | 97 | #ifndef _WIN32_WCE |
| michael@0 | 98 | int MyStringCollate(const char *s1, const char *s2) |
| michael@0 | 99 | { |
| michael@0 | 100 | return ConvertCompareResult(CompareStringA( |
| michael@0 | 101 | LOCALE_USER_DEFAULT, SORT_STRINGSORT, s1, -1, s2, -1)); |
| michael@0 | 102 | } |
| michael@0 | 103 | |
| michael@0 | 104 | int MyStringCollateNoCase(const char *s1, const char *s2) |
| michael@0 | 105 | { |
| michael@0 | 106 | return ConvertCompareResult(CompareStringA( |
| michael@0 | 107 | LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT, s1, -1, s2, -1)); |
| michael@0 | 108 | } |
| michael@0 | 109 | #endif |
| michael@0 | 110 | |
| michael@0 | 111 | int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2) |
| michael@0 | 112 | { |
| michael@0 | 113 | int res = CompareStringW( |
| michael@0 | 114 | LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT, s1, -1, s2, -1); |
| michael@0 | 115 | #ifdef _UNICODE |
| michael@0 | 116 | return ConvertCompareResult(res); |
| michael@0 | 117 | #else |
| michael@0 | 118 | if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) |
| michael@0 | 119 | return ConvertCompareResult(res); |
| michael@0 | 120 | return MyStringCollateNoCase(UnicodeStringToMultiByte(s1), |
| michael@0 | 121 | UnicodeStringToMultiByte(s2)); |
| michael@0 | 122 | #endif |
| michael@0 | 123 | } |
| michael@0 | 124 | */ |
| michael@0 | 125 | |
| michael@0 | 126 | #else |
| michael@0 | 127 | |
| michael@0 | 128 | wchar_t MyCharUpper(wchar_t c) |
| michael@0 | 129 | { |
| michael@0 | 130 | return toupper(c); |
| michael@0 | 131 | } |
| michael@0 | 132 | |
| michael@0 | 133 | /* |
| michael@0 | 134 | int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2) |
| michael@0 | 135 | { |
| michael@0 | 136 | while (true) |
| michael@0 | 137 | { |
| michael@0 | 138 | wchar_t c1 = *s1++; |
| michael@0 | 139 | wchar_t c2 = *s2++; |
| michael@0 | 140 | wchar_t u1 = MyCharUpper(c1); |
| michael@0 | 141 | wchar_t u2 = MyCharUpper(c2); |
| michael@0 | 142 | |
| michael@0 | 143 | if (u1 < u2) return -1; |
| michael@0 | 144 | if (u1 > u2) return 1; |
| michael@0 | 145 | if (u1 == 0) return 0; |
| michael@0 | 146 | } |
| michael@0 | 147 | } |
| michael@0 | 148 | */ |
| michael@0 | 149 | |
| michael@0 | 150 | #endif |
| michael@0 | 151 | |
| michael@0 | 152 | int MyStringCompare(const char *s1, const char *s2) |
| michael@0 | 153 | { |
| michael@0 | 154 | while (true) |
| michael@0 | 155 | { |
| michael@0 | 156 | unsigned char c1 = (unsigned char)*s1++; |
| michael@0 | 157 | unsigned char c2 = (unsigned char)*s2++; |
| michael@0 | 158 | if (c1 < c2) return -1; |
| michael@0 | 159 | if (c1 > c2) return 1; |
| michael@0 | 160 | if (c1 == 0) return 0; |
| michael@0 | 161 | } |
| michael@0 | 162 | } |
| michael@0 | 163 | |
| michael@0 | 164 | int MyStringCompare(const wchar_t *s1, const wchar_t *s2) |
| michael@0 | 165 | { |
| michael@0 | 166 | while (true) |
| michael@0 | 167 | { |
| michael@0 | 168 | wchar_t c1 = *s1++; |
| michael@0 | 169 | wchar_t c2 = *s2++; |
| michael@0 | 170 | if (c1 < c2) return -1; |
| michael@0 | 171 | if (c1 > c2) return 1; |
| michael@0 | 172 | if (c1 == 0) return 0; |
| michael@0 | 173 | } |
| michael@0 | 174 | } |
| michael@0 | 175 | |
| michael@0 | 176 | int MyStringCompareNoCase(const wchar_t *s1, const wchar_t *s2) |
| michael@0 | 177 | { |
| michael@0 | 178 | while (true) |
| michael@0 | 179 | { |
| michael@0 | 180 | wchar_t c1 = *s1++; |
| michael@0 | 181 | wchar_t c2 = *s2++; |
| michael@0 | 182 | if (c1 != c2) |
| michael@0 | 183 | { |
| michael@0 | 184 | wchar_t u1 = MyCharUpper(c1); |
| michael@0 | 185 | wchar_t u2 = MyCharUpper(c2); |
| michael@0 | 186 | if (u1 < u2) return -1; |
| michael@0 | 187 | if (u1 > u2) return 1; |
| michael@0 | 188 | } |
| michael@0 | 189 | if (c1 == 0) return 0; |
| michael@0 | 190 | } |
| michael@0 | 191 | } |
| michael@0 | 192 | |
| michael@0 | 193 | #ifdef _WIN32 |
| michael@0 | 194 | int MyStringCompareNoCase(const char *s1, const char *s2) |
| michael@0 | 195 | { |
| michael@0 | 196 | return MyStringCompareNoCase(MultiByteToUnicodeString(s1), MultiByteToUnicodeString(s2)); |
| michael@0 | 197 | } |
| michael@0 | 198 | #endif |
