| /* |
| * Copyright (C) 2013 Google, Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef HTMLIdentifier_h |
| #define HTMLIdentifier_h |
| |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class QualifiedName; |
| |
| enum CharacterWidth { |
| Likely8Bit, |
| Force8Bit, |
| Force16Bit |
| }; |
| |
| class HTMLIdentifier { |
| public: |
| HTMLIdentifier() { } |
| |
| template<size_t inlineCapacity> |
| HTMLIdentifier(const Vector<UChar, inlineCapacity>& vector, CharacterWidth width) |
| : m_string(findIfKnown(vector.data(), vector.size())) |
| { |
| if (m_string.impl()) |
| return; |
| if (width == Likely8Bit) |
| m_string = StringImpl::create8BitIfPossible(vector); |
| else if (width == Force8Bit) |
| m_string = String::make8BitFrom16BitSource(vector); |
| else |
| m_string = String(vector); |
| } |
| |
| // asString should only be used on the main thread. |
| const String& asString() const; |
| // asStringImpl() is safe to call from any thread. |
| const StringImpl* asStringImpl() const; |
| |
| static void init(); |
| |
| bool isSafeToSendToAnotherThread() const { return m_string.isSafeToSendToAnotherThread(); } |
| |
| #ifndef NDEBUG |
| static bool isKnown(const StringImpl*); |
| #endif |
| |
| private: |
| static unsigned maxNameLength; |
| static StringImpl* findIfKnown(const UChar* characters, unsigned length); |
| static void addNames(QualifiedName** names, unsigned namesCount, unsigned indexOffset); |
| |
| String m_string; |
| }; |
| |
| } |
| |
| #endif |