| /* |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2013 Apple Inc. All rights |
| * reserved. |
| * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "wtf/text/AtomicString.h" |
| |
| #include "wtf/dtoa.h" |
| #include "wtf/text/AtomicStringTable.h" |
| #include "wtf/text/IntegerToStringConversion.h" |
| #include "wtf/text/StringImpl.h" |
| |
| namespace WTF { |
| |
| static_assert(sizeof(AtomicString) == sizeof(String), |
| "AtomicString and String must be same size"); |
| |
| AtomicString::AtomicString(const LChar* chars, unsigned length) |
| : m_string(AtomicStringTable::instance().add(chars, length)) {} |
| |
| AtomicString::AtomicString(const UChar* chars, unsigned length) |
| : m_string(AtomicStringTable::instance().add(chars, length)) {} |
| |
| AtomicString::AtomicString(const UChar* chars) |
| : m_string(AtomicStringTable::instance().add( |
| chars, |
| chars ? lengthOfNullTerminatedString(chars) : 0)) {} |
| |
| PassRefPtr<StringImpl> AtomicString::addSlowCase(StringImpl* string) { |
| DCHECK(!string->isAtomic()); |
| return AtomicStringTable::instance().add(string); |
| } |
| |
| AtomicString AtomicString::fromUTF8(const char* chars, size_t length) { |
| if (!chars) |
| return nullAtom; |
| if (!length) |
| return emptyAtom; |
| return AtomicString( |
| AtomicStringTable::instance().addUTF8(chars, chars + length)); |
| } |
| |
| AtomicString AtomicString::fromUTF8(const char* chars) { |
| if (!chars) |
| return nullAtom; |
| if (!*chars) |
| return emptyAtom; |
| return AtomicString(AtomicStringTable::instance().addUTF8(chars, nullptr)); |
| } |
| |
| AtomicString AtomicString::lower() const { |
| // Note: This is a hot function in the Dromaeo benchmark. |
| StringImpl* impl = this->impl(); |
| if (UNLIKELY(!impl)) |
| return *this; |
| RefPtr<StringImpl> newImpl = impl->lower(); |
| if (LIKELY(newImpl == impl)) |
| return *this; |
| return AtomicString(newImpl.release()); |
| } |
| |
| AtomicString AtomicString::lowerASCII() const { |
| StringImpl* impl = this->impl(); |
| if (UNLIKELY(!impl)) |
| return *this; |
| RefPtr<StringImpl> newImpl = impl->lowerASCII(); |
| if (LIKELY(newImpl == impl)) |
| return *this; |
| return AtomicString(newImpl.release()); |
| } |
| |
| template <typename IntegerType> |
| static AtomicString integerToAtomicString(IntegerType input) { |
| IntegerToStringConverter<IntegerType> converter(input); |
| return AtomicString(converter.characters8(), converter.length()); |
| } |
| |
| AtomicString AtomicString::number(int number) { |
| return integerToAtomicString(number); |
| } |
| |
| AtomicString AtomicString::number(unsigned number) { |
| return integerToAtomicString(number); |
| } |
| |
| AtomicString AtomicString::number(long number) { |
| return integerToAtomicString(number); |
| } |
| |
| AtomicString AtomicString::number(unsigned long number) { |
| return integerToAtomicString(number); |
| } |
| |
| AtomicString AtomicString::number(long long number) { |
| return integerToAtomicString(number); |
| } |
| |
| AtomicString AtomicString::number(unsigned long long number) { |
| return integerToAtomicString(number); |
| } |
| |
| AtomicString AtomicString::number(double number, unsigned precision) { |
| NumberToStringBuffer buffer; |
| return AtomicString(numberToFixedPrecisionString(number, precision, buffer)); |
| } |
| |
| std::ostream& operator<<(std::ostream& out, const AtomicString& s) { |
| return out << s.getString(); |
| } |
| |
| #ifndef NDEBUG |
| void AtomicString::show() const { |
| m_string.show(); |
| } |
| #endif |
| |
| } // namespace WTF |