| OLD | NEW |
| 1 /* | 1 /* |
| 2 * (C) 1999 Lars Knoll (knoll@kde.org) | 2 * (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc.
All rights reserved. | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc.
All rights reserved. |
| 4 * | 4 * |
| 5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
| 6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
| 7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
| 8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
| 9 * | 9 * |
| 10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
| (...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 47 | 47 |
| 48 WTF_EXPORT int charactersToIntStrict(const LChar*, size_t, bool* ok = 0, int bas
e = 10); | 48 WTF_EXPORT int charactersToIntStrict(const LChar*, size_t, bool* ok = 0, int bas
e = 10); |
| 49 WTF_EXPORT int charactersToIntStrict(const UChar*, size_t, bool* ok = 0, int bas
e = 10); | 49 WTF_EXPORT int charactersToIntStrict(const UChar*, size_t, bool* ok = 0, int bas
e = 10); |
| 50 WTF_EXPORT unsigned charactersToUIntStrict(const LChar*, size_t, bool* ok = 0, i
nt base = 10); | 50 WTF_EXPORT unsigned charactersToUIntStrict(const LChar*, size_t, bool* ok = 0, i
nt base = 10); |
| 51 WTF_EXPORT unsigned charactersToUIntStrict(const UChar*, size_t, bool* ok = 0, i
nt base = 10); | 51 WTF_EXPORT unsigned charactersToUIntStrict(const UChar*, size_t, bool* ok = 0, i
nt base = 10); |
| 52 WTF_EXPORT int64_t charactersToInt64Strict(const LChar*, size_t, bool* ok = 0, i
nt base = 10); | 52 WTF_EXPORT int64_t charactersToInt64Strict(const LChar*, size_t, bool* ok = 0, i
nt base = 10); |
| 53 WTF_EXPORT int64_t charactersToInt64Strict(const UChar*, size_t, bool* ok = 0, i
nt base = 10); | 53 WTF_EXPORT int64_t charactersToInt64Strict(const UChar*, size_t, bool* ok = 0, i
nt base = 10); |
| 54 WTF_EXPORT uint64_t charactersToUInt64Strict(const LChar*, size_t, bool* ok = 0,
int base = 10); | 54 WTF_EXPORT uint64_t charactersToUInt64Strict(const LChar*, size_t, bool* ok = 0,
int base = 10); |
| 55 WTF_EXPORT uint64_t charactersToUInt64Strict(const UChar*, size_t, bool* ok = 0,
int base = 10); | 55 WTF_EXPORT uint64_t charactersToUInt64Strict(const UChar*, size_t, bool* ok = 0,
int base = 10); |
| 56 | 56 |
| 57 WTF_EXPORT int charactersToInt(const LChar*, size_t, bool* ok = 0); // ignores t
railing garbage | 57 WTF_EXPORT int charactersToInt(const LChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 58 WTF_EXPORT int charactersToInt(const UChar*, size_t, bool* ok = 0); // ignores t
railing garbage | 58 WTF_EXPORT int charactersToInt(const UChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 59 WTF_EXPORT unsigned charactersToUInt(const LChar*, size_t, bool* ok = 0); // ign
ores trailing garbage | 59 WTF_EXPORT unsigned charactersToUInt(const LChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 60 WTF_EXPORT unsigned charactersToUInt(const UChar*, size_t, bool* ok = 0); // ign
ores trailing garbage | 60 WTF_EXPORT unsigned charactersToUInt(const UChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 61 WTF_EXPORT int64_t charactersToInt64(const LChar*, size_t, bool* ok = 0); // ign
ores trailing garbage | 61 WTF_EXPORT int64_t charactersToInt64(const LChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 62 WTF_EXPORT int64_t charactersToInt64(const UChar*, size_t, bool* ok = 0); // ign
ores trailing garbage | 62 WTF_EXPORT int64_t charactersToInt64(const UChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 63 WTF_EXPORT uint64_t charactersToUInt64(const LChar*, size_t, bool* ok = 0); // i
gnores trailing garbage | 63 WTF_EXPORT uint64_t charactersToUInt64(const LChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 64 WTF_EXPORT uint64_t charactersToUInt64(const UChar*, size_t, bool* ok = 0); // i
gnores trailing garbage | 64 WTF_EXPORT uint64_t charactersToUInt64(const UChar*, size_t, bool* ok = 0); //
ignores trailing garbage |
| 65 | 65 |
| 66 // FIXME: Like the strict functions above, these give false for "ok" when there | 66 // FIXME: Like the strict functions above, these give false for "ok" when there |
| 67 // is trailing garbage. Like the non-strict functions above, these return the | 67 // is trailing garbage. Like the non-strict functions above, these return the |
| 68 // value when there is trailing garbage. It would be better if these were more | 68 // value when there is trailing garbage. It would be better if these were more |
| 69 // consistent with the above functions instead. | 69 // consistent with the above functions instead. |
| 70 WTF_EXPORT double charactersToDouble(const LChar*, size_t, bool* ok = 0); | 70 WTF_EXPORT double charactersToDouble(const LChar*, size_t, bool* ok = 0); |
| 71 WTF_EXPORT double charactersToDouble(const UChar*, size_t, bool* ok = 0); | 71 WTF_EXPORT double charactersToDouble(const UChar*, size_t, bool* ok = 0); |
| 72 WTF_EXPORT float charactersToFloat(const LChar*, size_t, bool* ok = 0); | 72 WTF_EXPORT float charactersToFloat(const LChar*, size_t, bool* ok = 0); |
| 73 WTF_EXPORT float charactersToFloat(const UChar*, size_t, bool* ok = 0); | 73 WTF_EXPORT float charactersToFloat(const UChar*, size_t, bool* ok = 0); |
| 74 WTF_EXPORT float charactersToFloat(const LChar*, size_t, size_t& parsedLength); | 74 WTF_EXPORT float charactersToFloat(const LChar*, size_t, size_t& parsedLength); |
| 75 WTF_EXPORT float charactersToFloat(const UChar*, size_t, size_t& parsedLength); | 75 WTF_EXPORT float charactersToFloat(const UChar*, size_t, size_t& parsedLength); |
| 76 | 76 |
| 77 enum TrailingZerosTruncatingPolicy { | 77 enum TrailingZerosTruncatingPolicy { |
| 78 KeepTrailingZeros, | 78 KeepTrailingZeros, |
| 79 TruncateTrailingZeros | 79 TruncateTrailingZeros |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 enum UTF8ConversionMode { | 82 enum UTF8ConversionMode { |
| 83 LenientUTF8Conversion, | 83 LenientUTF8Conversion, |
| 84 StrictUTF8Conversion, | 84 StrictUTF8Conversion, |
| 85 StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD | 85 StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD |
| 86 }; | 86 }; |
| 87 | 87 |
| 88 template<bool isSpecialCharacter(UChar), typename CharacterType> | 88 template <bool isSpecialCharacter(UChar), typename CharacterType> |
| 89 bool isAllSpecialCharacters(const CharacterType*, size_t); | 89 bool isAllSpecialCharacters(const CharacterType*, size_t); |
| 90 | 90 |
| 91 // You can find documentation about this class in this doc: | 91 // You can find documentation about this class in this doc: |
| 92 // https://docs.google.com/document/d/1kOCUlJdh2WJMJGDf-WoEQhmnjKLaOYRbiHz5TiGJl
14/edit?usp=sharing | 92 // https://docs.google.com/document/d/1kOCUlJdh2WJMJGDf-WoEQhmnjKLaOYRbiHz5TiGJl
14/edit?usp=sharing |
| 93 class WTF_EXPORT String { | 93 class WTF_EXPORT String { |
| 94 public: | 94 public: |
| 95 // Construct a null string, distinguishable from an empty string. | 95 // Construct a null string, distinguishable from an empty string. |
| 96 String() { } | 96 String() {} |
| 97 | 97 |
| 98 // Construct a string with UTF-16 data. | 98 // Construct a string with UTF-16 data. |
| 99 String(const UChar* characters, unsigned length); | 99 String(const UChar* characters, unsigned length); |
| 100 | 100 |
| 101 // Construct a string by copying the contents of a vector. | 101 // Construct a string by copying the contents of a vector. |
| 102 // This method will never create a null string. Vectors with size() == 0 | 102 // This method will never create a null string. Vectors with size() == 0 |
| 103 // will return the empty string. | 103 // will return the empty string. |
| 104 // NOTE: This is different from String(vector.data(), vector.size()) | 104 // NOTE: This is different from String(vector.data(), vector.size()) |
| 105 // which will sometimes return a null string when vector.data() is null | 105 // which will sometimes return a null string when vector.data() is null |
| 106 // which can only occur for vectors without inline capacity. | 106 // which can only occur for vectors without inline capacity. |
| 107 // See: https://bugs.webkit.org/show_bug.cgi?id=109792 | 107 // See: https://bugs.webkit.org/show_bug.cgi?id=109792 |
| 108 template<size_t inlineCapacity> | 108 template <size_t inlineCapacity> |
| 109 explicit String(const Vector<UChar, inlineCapacity>&); | 109 explicit String(const Vector<UChar, inlineCapacity>&); |
| 110 | 110 |
| 111 // Construct a string with UTF-16 data, from a null-terminated source. | 111 // Construct a string with UTF-16 data, from a null-terminated source. |
| 112 String(const UChar*); | 112 String(const UChar*); |
| 113 | 113 |
| 114 // Construct a string with latin1 data. | 114 // Construct a string with latin1 data. |
| 115 String(const LChar* characters, unsigned length); | 115 String(const LChar* characters, unsigned length); |
| 116 String(const char* characters, unsigned length); | 116 String(const char* characters, unsigned length); |
| 117 | 117 |
| 118 // Construct a string with latin1 data, from a null-terminated source. | 118 // Construct a string with latin1 data, from a null-terminated source. |
| 119 String(const LChar* characters); | 119 String(const LChar* characters); |
| 120 String(const char* characters); | 120 String(const char* characters); |
| 121 | 121 |
| 122 // Construct a string referencing an existing StringImpl. | 122 // Construct a string referencing an existing StringImpl. |
| 123 String(StringImpl* impl) : m_impl(impl) { } | 123 String(StringImpl* impl) |
| 124 String(PassRefPtr<StringImpl> impl) : m_impl(impl) { } | 124 : m_impl(impl) {} |
| 125 | 125 String(PassRefPtr<StringImpl> impl) |
| 126 void swap(String& o) { m_impl.swap(o.m_impl); } | 126 : m_impl(impl) {} |
| 127 | 127 |
| 128 template<typename CharType> | 128 void swap(String& o) { m_impl.swap(o.m_impl); } |
| 129 static String adopt(StringBuffer<CharType>& buffer) | 129 |
| 130 { | 130 template <typename CharType> |
| 131 if (!buffer.length()) | 131 static String adopt(StringBuffer<CharType>& buffer) { |
| 132 return StringImpl::empty(); | 132 if (!buffer.length()) |
| 133 return String(buffer.release()); | 133 return StringImpl::empty(); |
| 134 } | 134 return String(buffer.release()); |
| 135 | 135 } |
| 136 bool isNull() const { return !m_impl; } | 136 |
| 137 bool isEmpty() const { return !m_impl || !m_impl->length(); } | 137 bool isNull() const { return !m_impl; } |
| 138 | 138 bool isEmpty() const { return !m_impl || !m_impl->length(); } |
| 139 StringImpl* impl() const { return m_impl.get(); } | 139 |
| 140 PassRefPtr<StringImpl> releaseImpl() { return m_impl.release(); } | 140 StringImpl* impl() const { return m_impl.get(); } |
| 141 | 141 PassRefPtr<StringImpl> releaseImpl() { return m_impl.release(); } |
| 142 unsigned length() const | 142 |
| 143 { | 143 unsigned length() const { |
| 144 if (!m_impl) | 144 if (!m_impl) |
| 145 return 0; | 145 return 0; |
| 146 return m_impl->length(); | 146 return m_impl->length(); |
| 147 } | 147 } |
| 148 | 148 |
| 149 const LChar* characters8() const | 149 const LChar* characters8() const { |
| 150 { | 150 if (!m_impl) |
| 151 if (!m_impl) | 151 return 0; |
| 152 return 0; | 152 ASSERT(m_impl->is8Bit()); |
| 153 ASSERT(m_impl->is8Bit()); | 153 return m_impl->characters8(); |
| 154 return m_impl->characters8(); | 154 } |
| 155 } | 155 |
| 156 | 156 const UChar* characters16() const { |
| 157 const UChar* characters16() const | 157 if (!m_impl) |
| 158 { | 158 return 0; |
| 159 if (!m_impl) | 159 ASSERT(!m_impl->is8Bit()); |
| 160 return 0; | 160 return m_impl->characters16(); |
| 161 ASSERT(!m_impl->is8Bit()); | 161 } |
| 162 return m_impl->characters16(); | 162 |
| 163 } | 163 // Return characters8() or characters16() depending on CharacterType. |
| 164 | 164 template <typename CharacterType> |
| 165 // Return characters8() or characters16() depending on CharacterType. | 165 inline const CharacterType* getCharacters() const; |
| 166 template <typename CharacterType> | 166 |
| 167 inline const CharacterType* getCharacters() const; | 167 bool is8Bit() const { return m_impl->is8Bit(); } |
| 168 | 168 |
| 169 bool is8Bit() const { return m_impl->is8Bit(); } | 169 unsigned sizeInBytes() const { |
| 170 | 170 if (!m_impl) |
| 171 unsigned sizeInBytes() const | 171 return 0; |
| 172 { | 172 return m_impl->length() * (is8Bit() ? sizeof(LChar) : sizeof(UChar)); |
| 173 if (!m_impl) | 173 } |
| 174 return 0; | 174 |
| 175 return m_impl->length() * (is8Bit() ? sizeof(LChar) : sizeof(UChar)); | 175 CString ascii() const; |
| 176 } | 176 CString latin1() const; |
| 177 | 177 CString utf8(UTF8ConversionMode = LenientUTF8Conversion) const; |
| 178 CString ascii() const; | 178 |
| 179 CString latin1() const; | 179 UChar operator[](unsigned index) const { |
| 180 CString utf8(UTF8ConversionMode = LenientUTF8Conversion) const; | 180 if (!m_impl || index >= m_impl->length()) |
| 181 | 181 return 0; |
| 182 UChar operator[](unsigned index) const | 182 return (*m_impl)[index]; |
| 183 { | 183 } |
| 184 if (!m_impl || index >= m_impl->length()) | 184 |
| 185 return 0; | 185 static String number(int); |
| 186 return (*m_impl)[index]; | 186 static String number(unsigned); |
| 187 } | 187 static String number(long); |
| 188 | 188 static String number(unsigned long); |
| 189 static String number(int); | 189 static String number(long long); |
| 190 static String number(unsigned); | 190 static String number(unsigned long long); |
| 191 static String number(long); | 191 |
| 192 static String number(unsigned long); | 192 static String number(double, unsigned precision = 6, TrailingZerosTruncatingPo
licy = TruncateTrailingZeros); |
| 193 static String number(long long); | 193 |
| 194 static String number(unsigned long long); | 194 // Number to String conversion following the ECMAScript definition. |
| 195 | 195 static String numberToStringECMAScript(double); |
| 196 static String number(double, unsigned precision = 6, TrailingZerosTruncating
Policy = TruncateTrailingZeros); | 196 static String numberToStringFixedWidth(double, unsigned decimalPlaces); |
| 197 | 197 |
| 198 // Number to String conversion following the ECMAScript definition. | 198 // Find a single character or string, also with match function & latin1 |
| 199 static String numberToStringECMAScript(double); | 199 // forms. |
| 200 static String numberToStringFixedWidth(double, unsigned decimalPlaces); | 200 size_t find(UChar c, unsigned start = 0) const { return m_impl ? m_impl->find(
c, start) : kNotFound; } |
| 201 | 201 size_t find(LChar c, unsigned start = 0) const { return m_impl ? m_impl->find(
c, start) : kNotFound; } |
| 202 // Find a single character or string, also with match function & latin1 | 202 size_t find(char c, unsigned start = 0) const { return find(static_cast<LChar>
(c), start); } |
| 203 // forms. | 203 |
| 204 size_t find(UChar c, unsigned start = 0) const | 204 size_t find(const String& str) const { return m_impl ? m_impl->find(str.impl()
) : kNotFound; } |
| 205 { return m_impl ? m_impl->find(c, start) : kNotFound; } | 205 size_t find(const String& str, unsigned start) const { return m_impl ? m_impl-
>find(str.impl(), start) : kNotFound; } |
| 206 size_t find(LChar c, unsigned start = 0) const | 206 |
| 207 { return m_impl ? m_impl->find(c, start) : kNotFound; } | 207 size_t find(CharacterMatchFunctionPtr matchFunction, unsigned start = 0) const
{ return m_impl ? m_impl->find(matchFunction, start) : kNotFound; } |
| 208 size_t find(char c, unsigned start = 0) const { return find(static_cast<LCha
r>(c), start); } | 208 size_t find(const LChar* str, unsigned start = 0) const { return m_impl ? m_im
pl->find(str, start) : kNotFound; } |
| 209 | 209 |
| 210 size_t find(const String& str) const | 210 size_t findNextLineStart(unsigned start = 0) const { return m_impl ? m_impl->f
indNextLineStart(start) : kNotFound; } |
| 211 { return m_impl ? m_impl->find(str.impl()) : kNotFound; } | 211 |
| 212 size_t find(const String& str, unsigned start) const | 212 // Find the last instance of a single character or string. |
| 213 { return m_impl ? m_impl->find(str.impl(), start) : kNotFound; } | 213 size_t reverseFind(UChar c, unsigned start = UINT_MAX) const { return m_impl ?
m_impl->reverseFind(c, start) : kNotFound; } |
| 214 | 214 size_t reverseFind(const String& str, unsigned start = UINT_MAX) const { retur
n m_impl ? m_impl->reverseFind(str.impl(), start) : kNotFound; } |
| 215 size_t find(CharacterMatchFunctionPtr matchFunction, unsigned start = 0) con
st | 215 |
| 216 { return m_impl ? m_impl->find(matchFunction, start) : kNotFound; } | 216 // Case insensitive string matching. |
| 217 size_t find(const LChar* str, unsigned start = 0) const | 217 size_t findIgnoringCase(const LChar* str, unsigned start = 0) const { return m
_impl ? m_impl->findIgnoringCase(str, start) : kNotFound; } |
| 218 { return m_impl ? m_impl->find(str, start) : kNotFound; } | 218 size_t findIgnoringCase(const String& str, unsigned start = 0) const { return
m_impl ? m_impl->findIgnoringCase(str.impl(), start) : kNotFound; } |
| 219 | 219 size_t reverseFindIgnoringCase(const String& str, unsigned start = UINT_MAX) c
onst { return m_impl ? m_impl->reverseFindIgnoringCase(str.impl(), start) : kNot
Found; } |
| 220 size_t findNextLineStart(unsigned start = 0) const | 220 |
| 221 { return m_impl ? m_impl->findNextLineStart(start) : kNotFound; } | 221 // Wrappers for find & reverseFind adding dynamic sensitivity check. |
| 222 | 222 size_t find(const LChar* str, unsigned start, TextCaseSensitivity caseSensitiv
ity) const { return (caseSensitivity == TextCaseSensitive) ? find(str, start) :
findIgnoringCase(str, start); } |
| 223 // Find the last instance of a single character or string. | 223 size_t find(const String& str, unsigned start, TextCaseSensitivity caseSensiti
vity) const { return (caseSensitivity == TextCaseSensitive) ? find(str, start) :
findIgnoringCase(str, start); } |
| 224 size_t reverseFind(UChar c, unsigned start = UINT_MAX) const | 224 size_t reverseFind(const String& str, unsigned start, TextCaseSensitivity case
Sensitivity) const { return (caseSensitivity == TextCaseSensitive) ? reverseFind
(str, start) : reverseFindIgnoringCase(str, start); } |
| 225 { return m_impl ? m_impl->reverseFind(c, start) : kNotFound; } | 225 |
| 226 size_t reverseFind(const String& str, unsigned start = UINT_MAX) const | 226 Vector<UChar> charactersWithNullTermination() const; |
| 227 { return m_impl ? m_impl->reverseFind(str.impl(), start) : kNotFound; } | 227 unsigned copyTo(UChar* buffer, unsigned pos, unsigned maxLength) const; |
| 228 | 228 |
| 229 // Case insensitive string matching. | 229 template <size_t inlineCapacity> |
| 230 size_t findIgnoringCase(const LChar* str, unsigned start = 0) const | 230 void appendTo(Vector<UChar, inlineCapacity>&, unsigned pos = 0, unsigned len =
UINT_MAX) const; |
| 231 { return m_impl ? m_impl->findIgnoringCase(str, start) : kNotFound; } | 231 |
| 232 size_t findIgnoringCase(const String& str, unsigned start = 0) const | 232 template <typename BufferType> |
| 233 { return m_impl ? m_impl->findIgnoringCase(str.impl(), start) : kNotFoun
d; } | 233 void appendTo(BufferType&, unsigned pos = 0, unsigned len = UINT_MAX) const; |
| 234 size_t reverseFindIgnoringCase(const String& str, unsigned start = UINT_MAX)
const | 234 |
| 235 { return m_impl ? m_impl->reverseFindIgnoringCase(str.impl(), start) : k
NotFound; } | 235 template <size_t inlineCapacity> |
| 236 | 236 void prependTo(Vector<UChar, inlineCapacity>&, unsigned pos = 0, unsigned len
= UINT_MAX) const; |
| 237 // Wrappers for find & reverseFind adding dynamic sensitivity check. | 237 |
| 238 size_t find(const LChar* str, unsigned start, TextCaseSensitivity caseSensit
ivity) const | 238 UChar32 characterStartingAt(unsigned) const; |
| 239 { return (caseSensitivity == TextCaseSensitive) ? find(str, start) : fin
dIgnoringCase(str, start); } | 239 template <typename CharacterType> |
| 240 size_t find(const String& str, unsigned start, TextCaseSensitivity caseSensi
tivity) const | 240 bool contains(CharacterType c) const { return find(c) != kNotFound; } |
| 241 { return (caseSensitivity == TextCaseSensitive) ? find(str, start) : fin
dIgnoringCase(str, start); } | 241 bool contains(const LChar* str, TextCaseSensitivity caseSensitivity = TextCase
Sensitive) const { return find(str, 0, caseSensitivity) != kNotFound; } |
| 242 size_t reverseFind(const String& str, unsigned start, TextCaseSensitivity ca
seSensitivity) const | 242 bool contains(const String& str, TextCaseSensitivity caseSensitivity = TextCas
eSensitive) const { return find(str, 0, caseSensitivity) != kNotFound; } |
| 243 { return (caseSensitivity == TextCaseSensitive) ? reverseFind(str, start
) : reverseFindIgnoringCase(str, start); } | 243 |
| 244 | 244 bool startsWith(const String& s, TextCaseSensitivity caseSensitivity = TextCas
eSensitive) const { return m_impl ? m_impl->startsWith(s.impl(), caseSensitivity
) : s.isEmpty(); } |
| 245 Vector<UChar> charactersWithNullTermination() const; | 245 bool startsWith(UChar character) const { return m_impl ? m_impl->startsWith(ch
aracter) : false; } |
| 246 unsigned copyTo(UChar* buffer, unsigned pos, unsigned maxLength) const; | 246 template <unsigned matchLength> |
| 247 | 247 bool startsWith(const char(&prefix)[matchLength], TextCaseSensitivity caseSens
itivity = TextCaseSensitive) const { return m_impl ? m_impl->startsWith<matchLen
gth>(prefix, caseSensitivity) : !matchLength; } |
| 248 template<size_t inlineCapacity> | 248 |
| 249 void appendTo(Vector<UChar, inlineCapacity>&, unsigned pos = 0, unsigned len
= UINT_MAX) const; | 249 bool endsWith(const String& s, TextCaseSensitivity caseSensitivity = TextCaseS
ensitive) const { return m_impl ? m_impl->endsWith(s.impl(), caseSensitivity) :
s.isEmpty(); } |
| 250 | 250 bool endsWith(UChar character) const { return m_impl ? m_impl->endsWith(charac
ter) : false; } |
| 251 template<typename BufferType> | 251 template <unsigned matchLength> |
| 252 void appendTo(BufferType&, unsigned pos = 0, unsigned len = UINT_MAX) const; | 252 bool endsWith(const char(&prefix)[matchLength], TextCaseSensitivity caseSensit
ivity = TextCaseSensitive) const { return m_impl ? m_impl->endsWith<matchLength>
(prefix, caseSensitivity) : !matchLength; } |
| 253 | 253 |
| 254 template<size_t inlineCapacity> | 254 void append(const String&); |
| 255 void prependTo(Vector<UChar, inlineCapacity>&, unsigned pos = 0, unsigned le
n = UINT_MAX) const; | 255 void append(LChar); |
| 256 | 256 void append(char c) { append(static_cast<LChar>(c)); } |
| 257 UChar32 characterStartingAt(unsigned) const; | 257 void append(UChar); |
| 258 template<typename CharacterType> | 258 void append(const LChar*, unsigned length); |
| 259 bool contains(CharacterType c) const { return find(c) != kNotFound; } | 259 void append(const char* charactersToAppend, unsigned length) { append(reinterp
ret_cast<const LChar*>(charactersToAppend), length); } |
| 260 bool contains(const LChar* str, TextCaseSensitivity caseSensitivity = TextCa
seSensitive) const { return find(str, 0, caseSensitivity) != kNotFound; } | 260 void append(const UChar*, unsigned length); |
| 261 bool contains(const String& str, TextCaseSensitivity caseSensitivity = TextC
aseSensitive) const { return find(str, 0, caseSensitivity) != kNotFound; } | 261 void insert(const String&, unsigned pos); |
| 262 | 262 void insert(const LChar*, unsigned length, unsigned pos); |
| 263 bool startsWith(const String& s, TextCaseSensitivity caseSensitivity = TextC
aseSensitive) const | 263 void insert(const UChar*, unsigned length, unsigned pos); |
| 264 { return m_impl ? m_impl->startsWith(s.impl(), caseSensitivity) : s.isEm
pty(); } | 264 |
| 265 bool startsWith(UChar character) const | 265 String& replace(UChar a, UChar b) { |
| 266 { return m_impl ? m_impl->startsWith(character) : false; } | 266 if (m_impl) |
| 267 template<unsigned matchLength> | 267 m_impl = m_impl->replace(a, b); |
| 268 bool startsWith(const char (&prefix)[matchLength], TextCaseSensitivity caseS
ensitivity = TextCaseSensitive) const | 268 return *this; |
| 269 { return m_impl ? m_impl->startsWith<matchLength>(prefix, caseSensitivit
y) : !matchLength; } | 269 } |
| 270 | 270 String& replace(UChar a, const String& b) { |
| 271 bool endsWith(const String& s, TextCaseSensitivity caseSensitivity = TextCas
eSensitive) const | 271 if (m_impl) |
| 272 { return m_impl ? m_impl->endsWith(s.impl(), caseSensitivity) : s.isEmpt
y(); } | 272 m_impl = m_impl->replace(a, b.impl()); |
| 273 bool endsWith(UChar character) const | 273 return *this; |
| 274 { return m_impl ? m_impl->endsWith(character) : false; } | 274 } |
| 275 template<unsigned matchLength> | 275 String& replace(const String& a, const String& b) { |
| 276 bool endsWith(const char (&prefix)[matchLength], TextCaseSensitivity caseSen
sitivity = TextCaseSensitive) const | 276 if (m_impl) |
| 277 { return m_impl ? m_impl->endsWith<matchLength>(prefix, caseSensitivity)
: !matchLength; } | 277 m_impl = m_impl->replace(a.impl(), b.impl()); |
| 278 | 278 return *this; |
| 279 void append(const String&); | 279 } |
| 280 void append(LChar); | 280 String& replace(unsigned index, unsigned len, const String& b) { |
| 281 void append(char c) { append(static_cast<LChar>(c)); } | 281 if (m_impl) |
| 282 void append(UChar); | 282 m_impl = m_impl->replace(index, len, b.impl()); |
| 283 void append(const LChar*, unsigned length); | 283 return *this; |
| 284 void append(const char* charactersToAppend, unsigned length) { append(reinte
rpret_cast<const LChar*>(charactersToAppend), length); } | 284 } |
| 285 void append(const UChar*, unsigned length); | 285 |
| 286 void insert(const String&, unsigned pos); | 286 template <unsigned charactersCount> |
| 287 void insert(const LChar*, unsigned length, unsigned pos); | 287 ALWAYS_INLINE String& replaceWithLiteral(UChar a, const char(&characters)[char
actersCount]) { |
| 288 void insert(const UChar*, unsigned length, unsigned pos); | 288 if (m_impl) |
| 289 | 289 m_impl = m_impl->replace(a, characters, charactersCount - 1); |
| 290 String& replace(UChar a, UChar b) | 290 |
| 291 { | 291 return *this; |
| 292 if (m_impl) | 292 } |
| 293 m_impl = m_impl->replace(a, b); | 293 |
| 294 return *this; | 294 void fill(UChar c) { |
| 295 } | 295 if (m_impl) |
| 296 String& replace(UChar a, const String& b) | 296 m_impl = m_impl->fill(c); |
| 297 { | 297 } |
| 298 if (m_impl) | 298 |
| 299 m_impl = m_impl->replace(a, b.impl()); | 299 void ensure16Bit(); |
| 300 return *this; | 300 |
| 301 } | 301 void truncate(unsigned len); |
| 302 String& replace(const String& a, const String& b) | 302 void remove(unsigned pos, int len = 1); |
| 303 { | 303 |
| 304 if (m_impl) | 304 String substring(unsigned pos, unsigned len = UINT_MAX) const; |
| 305 m_impl = m_impl->replace(a.impl(), b.impl()); | 305 String left(unsigned len) const { return substring(0, len); } |
| 306 return *this; | 306 String right(unsigned len) const { return substring(length() - len, len); } |
| 307 } | 307 |
| 308 String& replace(unsigned index, unsigned len, const String& b) | 308 StringView createView() const { return StringView(impl()); } |
| 309 { | 309 StringView createView(unsigned offset, unsigned length) const { return StringV
iew(impl(), offset, length); } |
| 310 if (m_impl) | 310 |
| 311 m_impl = m_impl->replace(index, len, b.impl()); | 311 // Returns a lowercase/uppercase version of the string |
| 312 return *this; | 312 String lower() const; |
| 313 } | 313 String upper() const; |
| 314 | 314 |
| 315 template<unsigned charactersCount> | 315 String lower(const AtomicString& localeIdentifier) const; |
| 316 ALWAYS_INLINE String& replaceWithLiteral(UChar a, const char (&characters)[c
haractersCount]) | 316 String upper(const AtomicString& localeIdentifier) const; |
| 317 { | 317 |
| 318 if (m_impl) | 318 String stripWhiteSpace() const; |
| 319 m_impl = m_impl->replace(a, characters, charactersCount - 1); | 319 String stripWhiteSpace(IsWhiteSpaceFunctionPtr) const; |
| 320 | 320 String simplifyWhiteSpace(StripBehavior = StripExtraWhiteSpace) const; |
| 321 return *this; | 321 String simplifyWhiteSpace(IsWhiteSpaceFunctionPtr, StripBehavior = StripExtraW
hiteSpace) const; |
| 322 } | 322 |
| 323 | 323 String removeCharacters(CharacterMatchFunctionPtr) const; |
| 324 void fill(UChar c) | 324 template <bool isSpecialCharacter(UChar)> |
| 325 { | 325 bool isAllSpecialCharacters() const; |
| 326 if (m_impl) | 326 |
| 327 m_impl = m_impl->fill(c); | 327 // Return the string with case folded for case insensitive comparison. |
| 328 } | 328 String foldCase() const; |
| 329 | 329 |
| 330 void ensure16Bit(); | 330 static String format(const char*, ...) WTF_ATTRIBUTE_PRINTF(1, 2); |
| 331 | 331 |
| 332 void truncate(unsigned len); | 332 // Returns an uninitialized string. The characters needs to be written |
| 333 void remove(unsigned pos, int len = 1); | 333 // into the buffer returned in data before the returned string is used. |
| 334 | 334 // Failure to do this will have unpredictable results. |
| 335 String substring(unsigned pos, unsigned len = UINT_MAX) const; | 335 static String createUninitialized(unsigned length, UChar*& data) { return Stri
ngImpl::createUninitialized(length, data); } |
| 336 String left(unsigned len) const { return substring(0, len); } | 336 static String createUninitialized(unsigned length, LChar*& data) { return Stri
ngImpl::createUninitialized(length, data); } |
| 337 String right(unsigned len) const { return substring(length() - len, len); } | 337 |
| 338 | 338 void split(const String& separator, bool allowEmptyEntries, Vector<String>& re
sult) const; |
| 339 StringView createView() const { return StringView(impl()); } | 339 void split(const String& separator, Vector<String>& result) const { |
| 340 StringView createView(unsigned offset, unsigned length) const { return Strin
gView(impl(), offset, length); } | 340 split(separator, false, result); |
| 341 | 341 } |
| 342 // Returns a lowercase/uppercase version of the string | 342 void split(UChar separator, bool allowEmptyEntries, Vector<String>& result) co
nst; |
| 343 String lower() const; | 343 void split(UChar separator, Vector<String>& result) const { |
| 344 String upper() const; | 344 split(separator, false, result); |
| 345 | 345 } |
| 346 String lower(const AtomicString& localeIdentifier) const; | 346 |
| 347 String upper(const AtomicString& localeIdentifier) const; | 347 int toIntStrict(bool* ok = 0, int base = 10) const; |
| 348 | 348 unsigned toUIntStrict(bool* ok = 0, int base = 10) const; |
| 349 String stripWhiteSpace() const; | 349 int64_t toInt64Strict(bool* ok = 0, int base = 10) const; |
| 350 String stripWhiteSpace(IsWhiteSpaceFunctionPtr) const; | 350 uint64_t toUInt64Strict(bool* ok = 0, int base = 10) const; |
| 351 String simplifyWhiteSpace(StripBehavior = StripExtraWhiteSpace) const; | 351 |
| 352 String simplifyWhiteSpace(IsWhiteSpaceFunctionPtr, StripBehavior = StripExtr
aWhiteSpace) const; | 352 int toInt(bool* ok = 0) const; |
| 353 | 353 unsigned toUInt(bool* ok = 0) const; |
| 354 String removeCharacters(CharacterMatchFunctionPtr) const; | 354 int64_t toInt64(bool* ok = 0) const; |
| 355 template<bool isSpecialCharacter(UChar)> bool isAllSpecialCharacters() const
; | 355 uint64_t toUInt64(bool* ok = 0) const; |
| 356 | 356 |
| 357 // Return the string with case folded for case insensitive comparison. | 357 // FIXME: Like the strict functions above, these give false for "ok" when |
| 358 String foldCase() const; | 358 // there is trailing garbage. Like the non-strict functions above, these |
| 359 | 359 // return the value when there is trailing garbage. It would be better if |
| 360 static String format(const char *, ...) WTF_ATTRIBUTE_PRINTF(1, 2); | 360 // these were more consistent with the above functions instead. |
| 361 | 361 double toDouble(bool* ok = 0) const; |
| 362 // Returns an uninitialized string. The characters needs to be written | 362 float toFloat(bool* ok = 0) const; |
| 363 // into the buffer returned in data before the returned string is used. | 363 |
| 364 // Failure to do this will have unpredictable results. | 364 String isolatedCopy() const; |
| 365 static String createUninitialized(unsigned length, UChar*& data) { return St
ringImpl::createUninitialized(length, data); } | 365 bool isSafeToSendToAnotherThread() const; |
| 366 static String createUninitialized(unsigned length, LChar*& data) { return St
ringImpl::createUninitialized(length, data); } | |
| 367 | |
| 368 void split(const String& separator, bool allowEmptyEntries, Vector<String>&
result) const; | |
| 369 void split(const String& separator, Vector<String>& result) const | |
| 370 { | |
| 371 split(separator, false, result); | |
| 372 } | |
| 373 void split(UChar separator, bool allowEmptyEntries, Vector<String>& result)
const; | |
| 374 void split(UChar separator, Vector<String>& result) const | |
| 375 { | |
| 376 split(separator, false, result); | |
| 377 } | |
| 378 | |
| 379 int toIntStrict(bool* ok = 0, int base = 10) const; | |
| 380 unsigned toUIntStrict(bool* ok = 0, int base = 10) const; | |
| 381 int64_t toInt64Strict(bool* ok = 0, int base = 10) const; | |
| 382 uint64_t toUInt64Strict(bool* ok = 0, int base = 10) const; | |
| 383 | |
| 384 int toInt(bool* ok = 0) const; | |
| 385 unsigned toUInt(bool* ok = 0) const; | |
| 386 int64_t toInt64(bool* ok = 0) const; | |
| 387 uint64_t toUInt64(bool* ok = 0) const; | |
| 388 | |
| 389 // FIXME: Like the strict functions above, these give false for "ok" when | |
| 390 // there is trailing garbage. Like the non-strict functions above, these | |
| 391 // return the value when there is trailing garbage. It would be better if | |
| 392 // these were more consistent with the above functions instead. | |
| 393 double toDouble(bool* ok = 0) const; | |
| 394 float toFloat(bool* ok = 0) const; | |
| 395 | |
| 396 String isolatedCopy() const; | |
| 397 bool isSafeToSendToAnotherThread() const; | |
| 398 | 366 |
| 399 #ifdef __OBJC__ | 367 #ifdef __OBJC__ |
| 400 String(NSString*); | 368 String(NSString*); |
| 401 | 369 |
| 402 // This conversion maps null string to "", which loses the meaning of null | 370 // This conversion maps null string to "", which loses the meaning of null |
| 403 // string, but we need this mapping because AppKit crashes when passed nil | 371 // string, but we need this mapping because AppKit crashes when passed nil |
| 404 // NSStrings. | 372 // NSStrings. |
| 405 operator NSString*() const | 373 operator NSString*() const { |
| 406 { | 374 if (!m_impl) |
| 407 if (!m_impl) | 375 return @""; |
| 408 return @""; | 376 return *m_impl; |
| 409 return *m_impl; | 377 } |
| 410 } | |
| 411 #endif | 378 #endif |
| 412 | 379 |
| 413 static String make8BitFrom16BitSource(const UChar*, size_t); | 380 static String make8BitFrom16BitSource(const UChar*, size_t); |
| 414 template<size_t inlineCapacity> | 381 template <size_t inlineCapacity> |
| 415 static String make8BitFrom16BitSource(const Vector<UChar, inlineCapacity>& b
uffer) | 382 static String make8BitFrom16BitSource(const Vector<UChar, inlineCapacity>& buf
fer) { |
| 416 { | 383 return make8BitFrom16BitSource(buffer.data(), buffer.size()); |
| 417 return make8BitFrom16BitSource(buffer.data(), buffer.size()); | 384 } |
| 418 } | 385 |
| 419 | 386 static String make16BitFrom8BitSource(const LChar*, size_t); |
| 420 static String make16BitFrom8BitSource(const LChar*, size_t); | 387 |
| 421 | 388 // String::fromUTF8 will return a null string if |
| 422 // String::fromUTF8 will return a null string if | 389 // the input data contains invalid UTF-8 sequences. |
| 423 // the input data contains invalid UTF-8 sequences. | 390 static String fromUTF8(const LChar*, size_t); |
| 424 static String fromUTF8(const LChar*, size_t); | 391 static String fromUTF8(const LChar*); |
| 425 static String fromUTF8(const LChar*); | 392 static String fromUTF8(const char* s, size_t length) { return fromUTF8(reinter
pret_cast<const LChar*>(s), length); } |
| 426 static String fromUTF8(const char* s, size_t length) { return fromUTF8(reint
erpret_cast<const LChar*>(s), length); } | 393 static String fromUTF8(const char* s) { return fromUTF8(reinterpret_cast<const
LChar*>(s)); } |
| 427 static String fromUTF8(const char* s) { return fromUTF8(reinterpret_cast<con
st LChar*>(s)); } | 394 static String fromUTF8(const CString&); |
| 428 static String fromUTF8(const CString&); | 395 |
| 429 | 396 // Tries to convert the passed in string to UTF-8, but will fall back to |
| 430 // Tries to convert the passed in string to UTF-8, but will fall back to | 397 // Latin-1 if the string is not valid UTF-8. |
| 431 // Latin-1 if the string is not valid UTF-8. | 398 static String fromUTF8WithLatin1Fallback(const LChar*, size_t); |
| 432 static String fromUTF8WithLatin1Fallback(const LChar*, size_t); | 399 static String fromUTF8WithLatin1Fallback(const char* s, size_t length) { retur
n fromUTF8WithLatin1Fallback(reinterpret_cast<const LChar*>(s), length); } |
| 433 static String fromUTF8WithLatin1Fallback(const char* s, size_t length) { ret
urn fromUTF8WithLatin1Fallback(reinterpret_cast<const LChar*>(s), length); } | 400 |
| 434 | 401 bool containsOnlyASCII() const; |
| 435 bool containsOnlyASCII() const; | 402 bool containsOnlyLatin1() const; |
| 436 bool containsOnlyLatin1() const; | 403 bool containsOnlyWhitespace() const { return !m_impl || m_impl->containsOnlyWh
itespace(); } |
| 437 bool containsOnlyWhitespace() const { return !m_impl || m_impl->containsOnly
Whitespace(); } | 404 |
| 438 | 405 // Hash table deleted values, which are only constructed and never copied or |
| 439 // Hash table deleted values, which are only constructed and never copied or | 406 // destroyed. |
| 440 // destroyed. | 407 String(WTF::HashTableDeletedValueType) |
| 441 String(WTF::HashTableDeletedValueType) : m_impl(WTF::HashTableDeletedValue)
{ } | 408 : m_impl(WTF::HashTableDeletedValue) {} |
| 442 bool isHashTableDeletedValue() const { return m_impl.isHashTableDeletedValue
(); } | 409 bool isHashTableDeletedValue() const { return m_impl.isHashTableDeletedValue()
; } |
| 443 | 410 |
| 444 #ifndef NDEBUG | 411 #ifndef NDEBUG |
| 445 void show() const; | 412 void show() const; |
| 446 #endif | 413 #endif |
| 447 | 414 |
| 448 // Workaround for a compiler bug. Use operator[] instead. | 415 // Workaround for a compiler bug. Use operator[] instead. |
| 449 UChar characterAt(unsigned index) const | 416 UChar characterAt(unsigned index) const { |
| 450 { | 417 if (!m_impl || index >= m_impl->length()) |
| 451 if (!m_impl || index >= m_impl->length()) | 418 return 0; |
| 452 return 0; | 419 return (*m_impl)[index]; |
| 453 return (*m_impl)[index]; | 420 } |
| 454 } | 421 |
| 455 | 422 private: |
| 456 private: | 423 typedef struct ImplicitConversionFromWTFStringToBoolDisallowed*(String::*Unspe
cifiedBoolType); |
| 457 typedef struct ImplicitConversionFromWTFStringToBoolDisallowed* (String::*Un
specifiedBoolType); | 424 operator UnspecifiedBoolType() const; |
| 458 operator UnspecifiedBoolType() const; | 425 |
| 459 | 426 template <typename CharacterType> |
| 460 template <typename CharacterType> | 427 void removeInternal(const CharacterType*, unsigned, int); |
| 461 void removeInternal(const CharacterType*, unsigned, int); | 428 |
| 462 | 429 template <typename CharacterType> |
| 463 template <typename CharacterType> | 430 void appendInternal(CharacterType); |
| 464 void appendInternal(CharacterType); | 431 |
| 465 | 432 RefPtr<StringImpl> m_impl; |
| 466 RefPtr<StringImpl> m_impl; | |
| 467 }; | 433 }; |
| 468 | 434 |
| 469 inline bool operator==(const String& a, const String& b) { return equal(a.impl()
, b.impl()); } | 435 inline bool operator==(const String& a, const String& b) { |
| 470 inline bool operator==(const String& a, const LChar* b) { return equal(a.impl(),
b); } | 436 return equal(a.impl(), b.impl()); |
| 471 inline bool operator==(const String& a, const char* b) { return equal(a.impl(),
reinterpret_cast<const LChar*>(b)); } | 437 } |
| 472 inline bool operator==(const LChar* a, const String& b) { return equal(a, b.impl
()); } | 438 inline bool operator==(const String& a, const LChar* b) { |
| 473 inline bool operator==(const char* a, const String& b) { return equal(reinterpre
t_cast<const LChar*>(a), b.impl()); } | 439 return equal(a.impl(), b); |
| 474 template<size_t inlineCapacity> | 440 } |
| 475 inline bool operator==(const Vector<char, inlineCapacity>& a, const String& b) {
return equal(b.impl(), a.data(), a.size()); } | 441 inline bool operator==(const String& a, const char* b) { |
| 476 template<size_t inlineCapacity> | 442 return equal(a.impl(), reinterpret_cast<const LChar*>(b)); |
| 477 inline bool operator==(const String& a, const Vector<char, inlineCapacity>& b) {
return b == a; } | 443 } |
| 478 | 444 inline bool operator==(const LChar* a, const String& b) { |
| 479 | 445 return equal(a, b.impl()); |
| 480 inline bool operator!=(const String& a, const String& b) { return !equal(a.impl(
), b.impl()); } | 446 } |
| 481 inline bool operator!=(const String& a, const LChar* b) { return !equal(a.impl()
, b); } | 447 inline bool operator==(const char* a, const String& b) { |
| 482 inline bool operator!=(const String& a, const char* b) { return !equal(a.impl(),
reinterpret_cast<const LChar*>(b)); } | 448 return equal(reinterpret_cast<const LChar*>(a), b.impl()); |
| 483 inline bool operator!=(const LChar* a, const String& b) { return !equal(a, b.imp
l()); } | 449 } |
| 484 inline bool operator!=(const char* a, const String& b) { return !equal(reinterpr
et_cast<const LChar*>(a), b.impl()); } | 450 template <size_t inlineCapacity> |
| 485 template<size_t inlineCapacity> | 451 inline bool operator==(const Vector<char, inlineCapacity>& a, const String& b) { |
| 486 inline bool operator!=(const Vector<char, inlineCapacity>& a, const String& b) {
return !(a == b); } | 452 return equal(b.impl(), a.data(), a.size()); |
| 487 template<size_t inlineCapacity> | 453 } |
| 488 inline bool operator!=(const String& a, const Vector<char, inlineCapacity>& b) {
return b != a; } | 454 template <size_t inlineCapacity> |
| 489 | 455 inline bool operator==(const String& a, const Vector<char, inlineCapacity>& b) { |
| 490 inline bool equalIgnoringCase(const String& a, const String& b) { return equalIg
noringCase(a.impl(), b.impl()); } | 456 return b == a; |
| 491 inline bool equalIgnoringCase(const String& a, const LChar* b) { return equalIgn
oringCase(a.impl(), b); } | 457 } |
| 492 inline bool equalIgnoringCase(const String& a, const char* b) { return equalIgno
ringCase(a.impl(), reinterpret_cast<const LChar*>(b)); } | 458 |
| 493 inline bool equalIgnoringCase(const LChar* a, const String& b) { return equalIgn
oringCase(a, b.impl()); } | 459 inline bool operator!=(const String& a, const String& b) { |
| 494 inline bool equalIgnoringCase(const char* a, const String& b) { return equalIgno
ringCase(reinterpret_cast<const LChar*>(a), b.impl()); } | 460 return !equal(a.impl(), b.impl()); |
| 495 | 461 } |
| 496 inline bool equalPossiblyIgnoringCase(const String& a, const String& b, bool ign
oreCase) | 462 inline bool operator!=(const String& a, const LChar* b) { |
| 497 { | 463 return !equal(a.impl(), b); |
| 498 return ignoreCase ? equalIgnoringCase(a, b) : (a == b); | 464 } |
| 499 } | 465 inline bool operator!=(const String& a, const char* b) { |
| 500 | 466 return !equal(a.impl(), reinterpret_cast<const LChar*>(b)); |
| 501 inline bool equalIgnoringNullity(const String& a, const String& b) { return equa
lIgnoringNullity(a.impl(), b.impl()); } | 467 } |
| 502 | 468 inline bool operator!=(const LChar* a, const String& b) { |
| 503 template<size_t inlineCapacity> | 469 return !equal(a, b.impl()); |
| 504 inline bool equalIgnoringNullity(const Vector<UChar, inlineCapacity>& a, const S
tring& b) { return equalIgnoringNullity(a, b.impl()); } | 470 } |
| 505 | 471 inline bool operator!=(const char* a, const String& b) { |
| 506 inline bool operator!(const String& str) { return str.isNull(); } | 472 return !equal(reinterpret_cast<const LChar*>(a), b.impl()); |
| 507 | 473 } |
| 508 inline void swap(String& a, String& b) { a.swap(b); } | 474 template <size_t inlineCapacity> |
| 475 inline bool operator!=(const Vector<char, inlineCapacity>& a, const String& b) { |
| 476 return !(a == b); |
| 477 } |
| 478 template <size_t inlineCapacity> |
| 479 inline bool operator!=(const String& a, const Vector<char, inlineCapacity>& b) { |
| 480 return b != a; |
| 481 } |
| 482 |
| 483 inline bool equalIgnoringCase(const String& a, const String& b) { |
| 484 return equalIgnoringCase(a.impl(), b.impl()); |
| 485 } |
| 486 inline bool equalIgnoringCase(const String& a, const LChar* b) { |
| 487 return equalIgnoringCase(a.impl(), b); |
| 488 } |
| 489 inline bool equalIgnoringCase(const String& a, const char* b) { |
| 490 return equalIgnoringCase(a.impl(), reinterpret_cast<const LChar*>(b)); |
| 491 } |
| 492 inline bool equalIgnoringCase(const LChar* a, const String& b) { |
| 493 return equalIgnoringCase(a, b.impl()); |
| 494 } |
| 495 inline bool equalIgnoringCase(const char* a, const String& b) { |
| 496 return equalIgnoringCase(reinterpret_cast<const LChar*>(a), b.impl()); |
| 497 } |
| 498 |
| 499 inline bool equalPossiblyIgnoringCase(const String& a, const String& b, bool ign
oreCase) { |
| 500 return ignoreCase ? equalIgnoringCase(a, b) : (a == b); |
| 501 } |
| 502 |
| 503 inline bool equalIgnoringNullity(const String& a, const String& b) { |
| 504 return equalIgnoringNullity(a.impl(), b.impl()); |
| 505 } |
| 506 |
| 507 template <size_t inlineCapacity> |
| 508 inline bool equalIgnoringNullity(const Vector<UChar, inlineCapacity>& a, const S
tring& b) { |
| 509 return equalIgnoringNullity(a, b.impl()); |
| 510 } |
| 511 |
| 512 inline bool operator!(const String& str) { |
| 513 return str.isNull(); |
| 514 } |
| 515 |
| 516 inline void swap(String& a, String& b) { |
| 517 a.swap(b); |
| 518 } |
| 509 | 519 |
| 510 // Definitions of string operations | 520 // Definitions of string operations |
| 511 | 521 |
| 512 template<size_t inlineCapacity> | 522 template <size_t inlineCapacity> |
| 513 String::String(const Vector<UChar, inlineCapacity>& vector) | 523 String::String(const Vector<UChar, inlineCapacity>& vector) |
| 514 : m_impl(vector.size() ? StringImpl::create(vector.data(), vector.size()) :
StringImpl::empty()) | 524 : m_impl(vector.size() ? StringImpl::create(vector.data(), vector.size()) :
StringImpl::empty()) { |
| 515 { | 525 } |
| 516 } | 526 |
| 517 | 527 template <> |
| 518 template<> | 528 inline const LChar* String::getCharacters<LChar>() const { |
| 519 inline const LChar* String::getCharacters<LChar>() const | 529 ASSERT(is8Bit()); |
| 520 { | 530 return characters8(); |
| 521 ASSERT(is8Bit()); | 531 } |
| 522 return characters8(); | 532 |
| 523 } | 533 template <> |
| 524 | 534 inline const UChar* String::getCharacters<UChar>() const { |
| 525 template<> | 535 ASSERT(!is8Bit()); |
| 526 inline const UChar* String::getCharacters<UChar>() const | 536 return characters16(); |
| 527 { | 537 } |
| 528 ASSERT(!is8Bit()); | 538 |
| 529 return characters16(); | 539 inline bool String::containsOnlyLatin1() const { |
| 530 } | 540 if (isEmpty()) |
| 531 | 541 return true; |
| 532 inline bool String::containsOnlyLatin1() const | 542 |
| 533 { | 543 if (is8Bit()) |
| 534 if (isEmpty()) | 544 return true; |
| 535 return true; | 545 |
| 536 | 546 const UChar* characters = characters16(); |
| 537 if (is8Bit()) | 547 UChar ored = 0; |
| 538 return true; | 548 for (size_t i = 0; i < m_impl->length(); ++i) |
| 539 | 549 ored |= characters[i]; |
| 540 const UChar* characters = characters16(); | 550 return !(ored & 0xFF00); |
| 541 UChar ored = 0; | 551 } |
| 542 for (size_t i = 0; i < m_impl->length(); ++i) | |
| 543 ored |= characters[i]; | |
| 544 return !(ored & 0xFF00); | |
| 545 } | |
| 546 | |
| 547 | 552 |
| 548 #ifdef __OBJC__ | 553 #ifdef __OBJC__ |
| 549 // This is for situations in WebKit where the long standing behavior has been | 554 // This is for situations in WebKit where the long standing behavior has been |
| 550 // "nil if empty", so we try to maintain longstanding behavior for the sake of | 555 // "nil if empty", so we try to maintain longstanding behavior for the sake of |
| 551 // entrenched clients | 556 // entrenched clients |
| 552 inline NSString* nsStringNilIfEmpty(const String& str) { return str.isEmpty() ?
nil : (NSString*)str; } | 557 inline NSString* nsStringNilIfEmpty(const String& str) { |
| 558 return str.isEmpty() ? nil : (NSString*)str; |
| 559 } |
| 553 #endif | 560 #endif |
| 554 | 561 |
| 555 inline bool String::containsOnlyASCII() const | 562 inline bool String::containsOnlyASCII() const { |
| 556 { | 563 if (isEmpty()) |
| 557 if (isEmpty()) | 564 return true; |
| 558 return true; | 565 |
| 559 | 566 if (is8Bit()) |
| 560 if (is8Bit()) | 567 return charactersAreAllASCII(characters8(), m_impl->length()); |
| 561 return charactersAreAllASCII(characters8(), m_impl->length()); | 568 |
| 562 | 569 return charactersAreAllASCII(characters16(), m_impl->length()); |
| 563 return charactersAreAllASCII(characters16(), m_impl->length()); | |
| 564 } | 570 } |
| 565 | 571 |
| 566 WTF_EXPORT int codePointCompare(const String&, const String&); | 572 WTF_EXPORT int codePointCompare(const String&, const String&); |
| 567 | 573 |
| 568 inline bool codePointCompareLessThan(const String& a, const String& b) | 574 inline bool codePointCompareLessThan(const String& a, const String& b) { |
| 569 { | 575 return codePointCompare(a.impl(), b.impl()) < 0; |
| 570 return codePointCompare(a.impl(), b.impl()) < 0; | 576 } |
| 571 } | 577 |
| 572 | 578 template <size_t inlineCapacity> |
| 573 template<size_t inlineCapacity> | 579 inline void append(Vector<UChar, inlineCapacity>& vector, const String& string)
{ |
| 574 inline void append(Vector<UChar, inlineCapacity>& vector, const String& string) | 580 unsigned length = string.length(); |
| 575 { | 581 if (!length) |
| 576 unsigned length = string.length(); | 582 return; |
| 577 if (!length) | 583 if (string.is8Bit()) { |
| 578 return; | 584 const LChar* characters8 = string.characters8(); |
| 579 if (string.is8Bit()) { | 585 vector.reserveCapacity(vector.size() + length); |
| 580 const LChar* characters8 = string.characters8(); | 586 for (size_t i = 0; i < length; ++i) |
| 581 vector.reserveCapacity(vector.size() + length); | 587 vector.uncheckedAppend(characters8[i]); |
| 582 for (size_t i = 0; i < length; ++i) | 588 } else { |
| 583 vector.uncheckedAppend(characters8[i]); | 589 vector.append(string.characters16(), length); |
| 584 } else { | 590 } |
| 585 vector.append(string.characters16(), length); | 591 } |
| 586 } | 592 |
| 587 } | 593 template <bool isSpecialCharacter(UChar), typename CharacterType> |
| 588 | 594 inline bool isAllSpecialCharacters(const CharacterType* characters, size_t lengt
h) { |
| 589 template<bool isSpecialCharacter(UChar), typename CharacterType> | 595 for (size_t i = 0; i < length; ++i) { |
| 590 inline bool isAllSpecialCharacters(const CharacterType* characters, size_t lengt
h) | 596 if (!isSpecialCharacter(characters[i])) |
| 591 { | 597 return false; |
| 592 for (size_t i = 0; i < length; ++i) { | 598 } |
| 593 if (!isSpecialCharacter(characters[i])) | 599 return true; |
| 594 return false; | 600 } |
| 595 } | 601 |
| 602 template <bool isSpecialCharacter(UChar)> |
| 603 inline bool String::isAllSpecialCharacters() const { |
| 604 size_t len = length(); |
| 605 |
| 606 if (!len) |
| 596 return true; | 607 return true; |
| 597 } | 608 |
| 598 | 609 if (is8Bit()) |
| 599 template<bool isSpecialCharacter(UChar)> | 610 return WTF::isAllSpecialCharacters<isSpecialCharacter, LChar>(characters8(),
len); |
| 600 inline bool String::isAllSpecialCharacters() const | 611 return WTF::isAllSpecialCharacters<isSpecialCharacter, UChar>(characters16(),
len); |
| 601 { | 612 } |
| 602 size_t len = length(); | 613 |
| 603 | 614 template <size_t inlineCapacity> |
| 604 if (!len) | 615 inline void String::appendTo(Vector<UChar, inlineCapacity>& result, unsigned pos
, unsigned len) const { |
| 605 return true; | 616 unsigned numberOfCharactersToCopy = std::min(len, length() - pos); |
| 606 | 617 if (!numberOfCharactersToCopy) |
| 607 if (is8Bit()) | 618 return; |
| 608 return WTF::isAllSpecialCharacters<isSpecialCharacter, LChar>(characters
8(), len); | 619 result.reserveCapacity(result.size() + numberOfCharactersToCopy); |
| 609 return WTF::isAllSpecialCharacters<isSpecialCharacter, UChar>(characters16()
, len); | 620 if (is8Bit()) { |
| 610 } | 621 const LChar* characters8 = m_impl->characters8(); |
| 611 | 622 for (size_t i = 0; i < numberOfCharactersToCopy; ++i) |
| 612 template<size_t inlineCapacity> | 623 result.uncheckedAppend(characters8[pos + i]); |
| 613 inline void String::appendTo(Vector<UChar, inlineCapacity>& result, unsigned pos
, unsigned len) const | 624 } else { |
| 614 { | 625 const UChar* characters16 = m_impl->characters16(); |
| 615 unsigned numberOfCharactersToCopy = std::min(len, length() - pos); | 626 result.append(characters16 + pos, numberOfCharactersToCopy); |
| 616 if (!numberOfCharactersToCopy) | 627 } |
| 617 return; | 628 } |
| 618 result.reserveCapacity(result.size() + numberOfCharactersToCopy); | 629 |
| 619 if (is8Bit()) { | 630 template <typename BufferType> |
| 620 const LChar* characters8 = m_impl->characters8(); | 631 inline void String::appendTo(BufferType& result, unsigned pos, unsigned len) con
st { |
| 621 for (size_t i = 0; i < numberOfCharactersToCopy; ++i) | 632 unsigned numberOfCharactersToCopy = std::min(len, length() - pos); |
| 622 result.uncheckedAppend(characters8[pos + i]); | 633 if (!numberOfCharactersToCopy) |
| 623 } else { | 634 return; |
| 624 const UChar* characters16 = m_impl->characters16(); | 635 if (is8Bit()) |
| 625 result.append(characters16 + pos, numberOfCharactersToCopy); | 636 result.append(m_impl->characters8() + pos, numberOfCharactersToCopy); |
| 626 } | 637 else |
| 627 } | 638 result.append(m_impl->characters16() + pos, numberOfCharactersToCopy); |
| 628 | 639 } |
| 629 template<typename BufferType> | 640 |
| 630 inline void String::appendTo(BufferType& result, unsigned pos, unsigned len) con
st | 641 template <size_t inlineCapacity> |
| 631 { | 642 inline void String::prependTo(Vector<UChar, inlineCapacity>& result, unsigned po
s, unsigned len) const { |
| 632 unsigned numberOfCharactersToCopy = std::min(len, length() - pos); | 643 unsigned numberOfCharactersToCopy = std::min(len, length() - pos); |
| 633 if (!numberOfCharactersToCopy) | 644 if (!numberOfCharactersToCopy) |
| 634 return; | 645 return; |
| 635 if (is8Bit()) | 646 if (is8Bit()) { |
| 636 result.append(m_impl->characters8() + pos, numberOfCharactersToCopy); | 647 size_t oldSize = result.size(); |
| 637 else | 648 result.resize(oldSize + numberOfCharactersToCopy); |
| 638 result.append(m_impl->characters16() + pos, numberOfCharactersToCopy); | 649 memmove(result.data() + numberOfCharactersToCopy, result.data(), oldSize * s
izeof(UChar)); |
| 639 } | 650 StringImpl::copyChars(result.data(), m_impl->characters8() + pos, numberOfCh
aractersToCopy); |
| 640 | 651 } else { |
| 641 template<size_t inlineCapacity> | 652 result.prepend(m_impl->characters16() + pos, numberOfCharactersToCopy); |
| 642 inline void String::prependTo(Vector<UChar, inlineCapacity>& result, unsigned po
s, unsigned len) const | 653 } |
| 643 { | |
| 644 unsigned numberOfCharactersToCopy = std::min(len, length() - pos); | |
| 645 if (!numberOfCharactersToCopy) | |
| 646 return; | |
| 647 if (is8Bit()) { | |
| 648 size_t oldSize = result.size(); | |
| 649 result.resize(oldSize + numberOfCharactersToCopy); | |
| 650 memmove(result.data() + numberOfCharactersToCopy, result.data(), oldSize
* sizeof(UChar)); | |
| 651 StringImpl::copyChars(result.data(), m_impl->characters8() + pos, number
OfCharactersToCopy); | |
| 652 } else { | |
| 653 result.prepend(m_impl->characters16() + pos, numberOfCharactersToCopy); | |
| 654 } | |
| 655 } | 654 } |
| 656 | 655 |
| 657 // StringHash is the default hash for String | 656 // StringHash is the default hash for String |
| 658 template<typename T> struct DefaultHash; | 657 template <typename T> |
| 659 template<> struct DefaultHash<String> { | 658 struct DefaultHash; |
| 660 typedef StringHash Hash; | 659 template <> |
| 660 struct DefaultHash<String> { |
| 661 typedef StringHash Hash; |
| 661 }; | 662 }; |
| 662 | 663 |
| 663 // Shared global empty string. | 664 // Shared global empty string. |
| 664 WTF_EXPORT const String& emptyString(); | 665 WTF_EXPORT const String& emptyString(); |
| 665 WTF_EXPORT const String& emptyString16Bit(); | 666 WTF_EXPORT const String& emptyString16Bit(); |
| 666 WTF_EXPORT extern const String& xmlnsWithColon; | 667 WTF_EXPORT extern const String& xmlnsWithColon; |
| 667 | 668 |
| 668 // Pretty printer for gtest. Declared here to avoid ODR violations. | 669 // Pretty printer for gtest. Declared here to avoid ODR violations. |
| 669 WTF_UNITTEST_HELPERS_EXPORT std::ostream& operator<<(std::ostream&, const String
&); | 670 WTF_UNITTEST_HELPERS_EXPORT std::ostream& operator<<(std::ostream&, const String
&); |
| 670 | 671 |
| 671 } // namespace WTF | 672 } // namespace WTF |
| 672 | 673 |
| 673 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(String); | 674 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(String); |
| 674 | 675 |
| 675 using WTF::CString; | 676 using WTF::CString; |
| 676 using WTF::KeepTrailingZeros; | 677 using WTF::KeepTrailingZeros; |
| 677 using WTF::StrictUTF8Conversion; | 678 using WTF::StrictUTF8Conversion; |
| 678 using WTF::StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD; | 679 using WTF::StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD; |
| 679 using WTF::String; | 680 using WTF::String; |
| 680 using WTF::emptyString; | 681 using WTF::emptyString; |
| 681 using WTF::emptyString16Bit; | 682 using WTF::emptyString16Bit; |
| (...skipping 10 matching lines...) Expand all Loading... |
| 692 using WTF::charactersToDouble; | 693 using WTF::charactersToDouble; |
| 693 using WTF::charactersToFloat; | 694 using WTF::charactersToFloat; |
| 694 using WTF::equal; | 695 using WTF::equal; |
| 695 using WTF::equalIgnoringCase; | 696 using WTF::equalIgnoringCase; |
| 696 using WTF::find; | 697 using WTF::find; |
| 697 using WTF::isAllSpecialCharacters; | 698 using WTF::isAllSpecialCharacters; |
| 698 using WTF::isSpaceOrNewline; | 699 using WTF::isSpaceOrNewline; |
| 699 using WTF::reverseFind; | 700 using WTF::reverseFind; |
| 700 | 701 |
| 701 #include "wtf/text/AtomicString.h" | 702 #include "wtf/text/AtomicString.h" |
| 702 #endif // WTFString_h | 703 #endif // WTFString_h |
| OLD | NEW |