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| 1 /* | |
| 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2013 Apple Inc. All rights | |
| 3 * reserved. | |
| 4 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> | |
| 5 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 6 * | |
| 7 * This library is free software; you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Library General Public | |
| 9 * License as published by the Free Software Foundation; either | |
| 10 * version 2 of the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This library is distributed in the hope that it will be useful, | |
| 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Library General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Library General Public License | |
| 18 * along with this library; see the file COPYING.LIB. If not, write to | |
| 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 20 * Boston, MA 02110-1301, USA. | |
| 21 * | |
| 22 */ | |
| 23 | |
| 24 #include "wtf/text/AtomicString.h" | |
| 25 | |
| 26 #include "wtf/dtoa.h" | |
| 27 #include "wtf/text/AtomicStringTable.h" | |
| 28 #include "wtf/text/IntegerToStringConversion.h" | |
| 29 #include "wtf/text/StringImpl.h" | |
| 30 | |
| 31 namespace WTF { | |
| 32 | |
| 33 static_assert(sizeof(AtomicString) == sizeof(String), | |
| 34 "AtomicString and String must be same size"); | |
| 35 | |
| 36 AtomicString::AtomicString(const LChar* chars, unsigned length) | |
| 37 : m_string(AtomicStringTable::instance().add(chars, length)) {} | |
| 38 | |
| 39 AtomicString::AtomicString(const UChar* chars, unsigned length) | |
| 40 : m_string(AtomicStringTable::instance().add(chars, length)) {} | |
| 41 | |
| 42 AtomicString::AtomicString(const UChar* chars) | |
| 43 : m_string(AtomicStringTable::instance().add( | |
| 44 chars, | |
| 45 chars ? lengthOfNullTerminatedString(chars) : 0)) {} | |
| 46 | |
| 47 PassRefPtr<StringImpl> AtomicString::addSlowCase(StringImpl* string) { | |
| 48 DCHECK(!string->isAtomic()); | |
| 49 return AtomicStringTable::instance().add(string); | |
| 50 } | |
| 51 | |
| 52 AtomicString AtomicString::fromUTF8(const char* chars, size_t length) { | |
| 53 if (!chars) | |
| 54 return nullAtom; | |
| 55 if (!length) | |
| 56 return emptyAtom; | |
| 57 return AtomicString( | |
| 58 AtomicStringTable::instance().addUTF8(chars, chars + length)); | |
| 59 } | |
| 60 | |
| 61 AtomicString AtomicString::fromUTF8(const char* chars) { | |
| 62 if (!chars) | |
| 63 return nullAtom; | |
| 64 if (!*chars) | |
| 65 return emptyAtom; | |
| 66 return AtomicString(AtomicStringTable::instance().addUTF8(chars, nullptr)); | |
| 67 } | |
| 68 | |
| 69 AtomicString AtomicString::lower() const { | |
| 70 // Note: This is a hot function in the Dromaeo benchmark. | |
| 71 StringImpl* impl = this->impl(); | |
| 72 if (UNLIKELY(!impl)) | |
| 73 return *this; | |
| 74 RefPtr<StringImpl> newImpl = impl->lower(); | |
| 75 if (LIKELY(newImpl == impl)) | |
| 76 return *this; | |
| 77 return AtomicString(newImpl.release()); | |
| 78 } | |
| 79 | |
| 80 AtomicString AtomicString::lowerASCII() const { | |
| 81 StringImpl* impl = this->impl(); | |
| 82 if (UNLIKELY(!impl)) | |
| 83 return *this; | |
| 84 RefPtr<StringImpl> newImpl = impl->lowerASCII(); | |
| 85 if (LIKELY(newImpl == impl)) | |
| 86 return *this; | |
| 87 return AtomicString(newImpl.release()); | |
| 88 } | |
| 89 | |
| 90 AtomicString AtomicString::upperASCII() const { | |
| 91 StringImpl* impl = this->impl(); | |
| 92 if (UNLIKELY(!impl)) | |
| 93 return *this; | |
| 94 return AtomicString(impl->upperASCII()); | |
| 95 } | |
| 96 | |
| 97 template <typename IntegerType> | |
| 98 static AtomicString integerToAtomicString(IntegerType input) { | |
| 99 IntegerToStringConverter<IntegerType> converter(input); | |
| 100 return AtomicString(converter.characters8(), converter.length()); | |
| 101 } | |
| 102 | |
| 103 AtomicString AtomicString::number(int number) { | |
| 104 return integerToAtomicString(number); | |
| 105 } | |
| 106 | |
| 107 AtomicString AtomicString::number(unsigned number) { | |
| 108 return integerToAtomicString(number); | |
| 109 } | |
| 110 | |
| 111 AtomicString AtomicString::number(long number) { | |
| 112 return integerToAtomicString(number); | |
| 113 } | |
| 114 | |
| 115 AtomicString AtomicString::number(unsigned long number) { | |
| 116 return integerToAtomicString(number); | |
| 117 } | |
| 118 | |
| 119 AtomicString AtomicString::number(long long number) { | |
| 120 return integerToAtomicString(number); | |
| 121 } | |
| 122 | |
| 123 AtomicString AtomicString::number(unsigned long long number) { | |
| 124 return integerToAtomicString(number); | |
| 125 } | |
| 126 | |
| 127 AtomicString AtomicString::number(double number, unsigned precision) { | |
| 128 NumberToStringBuffer buffer; | |
| 129 return AtomicString(numberToFixedPrecisionString(number, precision, buffer)); | |
| 130 } | |
| 131 | |
| 132 std::ostream& operator<<(std::ostream& out, const AtomicString& s) { | |
| 133 return out << s.getString(); | |
| 134 } | |
| 135 | |
| 136 #ifndef NDEBUG | |
| 137 void AtomicString::show() const { | |
| 138 m_string.show(); | |
| 139 } | |
| 140 #endif | |
| 141 | |
| 142 } // namespace WTF | |
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Chromium Code Reviews
Issue 2764243002:
Move files in wtf/ to platform/wtf/ (Part 9). (Closed)
