The Tor Browser / file comparison
comparison: xpcom/string/public/nsString.h
xpcom/string/public/nsString.h
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:a2b78a6146ab |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef nsString_h___ | |
| 8 #define nsString_h___ | |
| 9 | |
| 10 #include "mozilla/Attributes.h" | |
| 11 | |
| 12 #include "nsSubstring.h" | |
| 13 #include "nsDependentSubstring.h" | |
| 14 #include "nsReadableUtils.h" | |
| 15 | |
| 16 #include <new> | |
| 17 | |
| 18 // enable support for the obsolete string API if not explicitly disabled | |
| 19 #ifndef MOZ_STRING_WITH_OBSOLETE_API | |
| 20 #define MOZ_STRING_WITH_OBSOLETE_API 1 | |
| 21 #endif | |
| 22 | |
| 23 #if MOZ_STRING_WITH_OBSOLETE_API | |
| 24 // radix values for ToInteger/AppendInt | |
| 25 #define kRadix10 (10) | |
| 26 #define kRadix16 (16) | |
| 27 #define kAutoDetect (100) | |
| 28 #define kRadixUnknown (kAutoDetect+1) | |
| 29 #define IGNORE_CASE (true) | |
| 30 #endif | |
| 31 | |
| 32 | |
| 33 // declare nsString, et. al. | |
| 34 #include "string-template-def-unichar.h" | |
| 35 #include "nsTString.h" | |
| 36 #include "string-template-undef.h" | |
| 37 | |
| 38 // declare nsCString, et. al. | |
| 39 #include "string-template-def-char.h" | |
| 40 #include "nsTString.h" | |
| 41 #include "string-template-undef.h" | |
| 42 | |
| 43 static_assert(sizeof(char16_t) == 2, "size of char16_t must be 2"); | |
| 44 static_assert(sizeof(nsString::char_type) == 2, | |
| 45 "size of nsString::char_type must be 2"); | |
| 46 static_assert(nsString::char_type(-1) > nsString::char_type(0), | |
| 47 "nsString::char_type must be unsigned"); | |
| 48 static_assert(sizeof(nsCString::char_type) == 1, | |
| 49 "size of nsCString::char_type must be 1"); | |
| 50 | |
| 51 | |
| 52 /** | |
| 53 * A helper class that converts a UTF-16 string to ASCII in a lossy manner | |
| 54 */ | |
| 55 class NS_LossyConvertUTF16toASCII : public nsAutoCString | |
| 56 { | |
| 57 public: | |
| 58 explicit | |
| 59 NS_LossyConvertUTF16toASCII( const char16_t* aString ) | |
| 60 { | |
| 61 LossyAppendUTF16toASCII(aString, *this); | |
| 62 } | |
| 63 | |
| 64 NS_LossyConvertUTF16toASCII( const char16_t* aString, uint32_t aLength ) | |
| 65 { | |
| 66 LossyAppendUTF16toASCII(Substring(aString, aLength), *this); | |
| 67 } | |
| 68 | |
| 69 #ifdef MOZ_USE_CHAR16_WRAPPER | |
| 70 explicit | |
| 71 NS_LossyConvertUTF16toASCII( char16ptr_t aString ) | |
| 72 : NS_LossyConvertUTF16toASCII(static_cast<const char16_t*>(aString)) {} | |
| 73 | |
| 74 NS_LossyConvertUTF16toASCII( char16ptr_t aString, uint32_t aLength ) | |
| 75 : NS_LossyConvertUTF16toASCII(static_cast<const char16_t*>(aString), aLength) {} | |
| 76 #endif | |
| 77 | |
| 78 explicit | |
| 79 NS_LossyConvertUTF16toASCII( const nsAString& aString ) | |
| 80 { | |
| 81 LossyAppendUTF16toASCII(aString, *this); | |
| 82 } | |
| 83 | |
| 84 private: | |
| 85 // NOT TO BE IMPLEMENTED | |
| 86 NS_LossyConvertUTF16toASCII( char ); | |
| 87 }; | |
| 88 | |
| 89 | |
| 90 class NS_ConvertASCIItoUTF16 : public nsAutoString | |
| 91 { | |
| 92 public: | |
| 93 explicit | |
| 94 NS_ConvertASCIItoUTF16( const char* aCString ) | |
| 95 { | |
| 96 AppendASCIItoUTF16(aCString, *this); | |
| 97 } | |
| 98 | |
| 99 NS_ConvertASCIItoUTF16( const char* aCString, uint32_t aLength ) | |
| 100 { | |
| 101 AppendASCIItoUTF16(Substring(aCString, aLength), *this); | |
| 102 } | |
| 103 | |
| 104 explicit | |
| 105 NS_ConvertASCIItoUTF16( const nsACString& aCString ) | |
| 106 { | |
| 107 AppendASCIItoUTF16(aCString, *this); | |
| 108 } | |
| 109 | |
| 110 private: | |
| 111 // NOT TO BE IMPLEMENTED | |
| 112 NS_ConvertASCIItoUTF16( char16_t ); | |
| 113 }; | |
| 114 | |
| 115 | |
| 116 /** | |
| 117 * A helper class that converts a UTF-16 string to UTF-8 | |
| 118 */ | |
| 119 class NS_ConvertUTF16toUTF8 : public nsAutoCString | |
| 120 { | |
| 121 public: | |
| 122 explicit | |
| 123 NS_ConvertUTF16toUTF8( const char16_t* aString ) | |
| 124 { | |
| 125 AppendUTF16toUTF8(aString, *this); | |
| 126 } | |
| 127 | |
| 128 NS_ConvertUTF16toUTF8( const char16_t* aString, uint32_t aLength ) | |
| 129 { | |
| 130 AppendUTF16toUTF8(Substring(aString, aLength), *this); | |
| 131 } | |
| 132 | |
| 133 #ifdef MOZ_USE_CHAR16_WRAPPER | |
| 134 NS_ConvertUTF16toUTF8( char16ptr_t aString ) : NS_ConvertUTF16toUTF8(static_cast<const char16_t*>(aString)) {} | |
| 135 | |
| 136 NS_ConvertUTF16toUTF8( char16ptr_t aString, uint32_t aLength ) | |
| 137 : NS_ConvertUTF16toUTF8(static_cast<const char16_t*>(aString), aLength) {} | |
| 138 #endif | |
| 139 | |
| 140 explicit | |
| 141 NS_ConvertUTF16toUTF8( const nsAString& aString ) | |
| 142 { | |
| 143 AppendUTF16toUTF8(aString, *this); | |
| 144 } | |
| 145 | |
| 146 private: | |
| 147 // NOT TO BE IMPLEMENTED | |
| 148 NS_ConvertUTF16toUTF8( char ); | |
| 149 }; | |
| 150 | |
| 151 | |
| 152 class NS_ConvertUTF8toUTF16 : public nsAutoString | |
| 153 { | |
| 154 public: | |
| 155 explicit | |
| 156 NS_ConvertUTF8toUTF16( const char* aCString ) | |
| 157 { | |
| 158 AppendUTF8toUTF16(aCString, *this); | |
| 159 } | |
| 160 | |
| 161 NS_ConvertUTF8toUTF16( const char* aCString, uint32_t aLength ) | |
| 162 { | |
| 163 AppendUTF8toUTF16(Substring(aCString, aLength), *this); | |
| 164 } | |
| 165 | |
| 166 explicit | |
| 167 NS_ConvertUTF8toUTF16( const nsACString& aCString ) | |
| 168 { | |
| 169 AppendUTF8toUTF16(aCString, *this); | |
| 170 } | |
| 171 | |
| 172 private: | |
| 173 // NOT TO BE IMPLEMENTED | |
| 174 NS_ConvertUTF8toUTF16( char16_t ); | |
| 175 }; | |
| 176 | |
| 177 | |
| 178 #ifdef MOZ_USE_CHAR16_WRAPPER | |
| 179 | |
| 180 inline char16_t* | |
| 181 wwc(wchar_t *str) | |
| 182 { | |
| 183 return reinterpret_cast<char16_t*>(str); | |
| 184 } | |
| 185 | |
| 186 inline wchar_t* | |
| 187 wwc(char16_t *str) | |
| 188 { | |
| 189 return reinterpret_cast<wchar_t*>(str); | |
| 190 } | |
| 191 | |
| 192 #else | |
| 193 | |
| 194 inline char16_t* | |
| 195 wwc(char16_t *str) | |
| 196 { | |
| 197 return str; | |
| 198 } | |
| 199 | |
| 200 #endif | |
| 201 | |
| 202 // the following are included/declared for backwards compatibility | |
| 203 typedef nsAutoString nsVoidableString; | |
| 204 | |
| 205 #include "nsDependentString.h" | |
| 206 #include "nsLiteralString.h" | |
| 207 #include "nsPromiseFlatString.h" | |
| 208 | |
| 209 // need to include these for backwards compatibility | |
| 210 #include "nsMemory.h" | |
| 211 #include <string.h> | |
| 212 #include <stdio.h> | |
| 213 #include "plhash.h" | |
| 214 | |
| 215 #endif // !defined(nsString_h___) |
