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| 1 /* | |
| 2 * Copyright (C) 2013 Google, Inc. All Rights Reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef HTMLIdentifier_h | |
| 27 #define HTMLIdentifier_h | |
| 28 | |
| 29 #include "wtf/text/WTFString.h" | |
| 30 | |
| 31 namespace WebCore { | |
| 32 | |
| 33 class QualifiedName; | |
| 34 | |
| 35 enum CharacterWidth { | |
| 36 Likely8Bit, | |
| 37 Force8Bit, | |
| 38 Force16Bit | |
| 39 }; | |
| 40 | |
| 41 class HTMLIdentifier { | |
| 42 public: | |
| 43 HTMLIdentifier() { } | |
| 44 | |
| 45 template<size_t inlineCapacity> | |
| 46 HTMLIdentifier(const Vector<UChar, inlineCapacity>& vector, CharacterWidth w
idth) | |
| 47 : m_string(findIfKnown(vector.data(), vector.size())) | |
| 48 { | |
| 49 if (m_string.impl()) | |
| 50 return; | |
| 51 if (width == Likely8Bit) | |
| 52 m_string = StringImpl::create8BitIfPossible(vector); | |
| 53 else if (width == Force8Bit) | |
| 54 m_string = String::make8BitFrom16BitSource(vector); | |
| 55 else | |
| 56 m_string = String(vector); | |
| 57 } | |
| 58 | |
| 59 // asString should only be used on the main thread. | |
| 60 const String& asString() const; | |
| 61 // asStringImpl() is safe to call from any thread. | |
| 62 const StringImpl* asStringImpl() const; | |
| 63 | |
| 64 static void init(); | |
| 65 | |
| 66 bool isSafeToSendToAnotherThread() const { return m_string.isSafeToSendToAno
therThread(); } | |
| 67 | |
| 68 #ifndef NDEBUG | |
| 69 static bool isKnown(const StringImpl*); | |
| 70 #endif | |
| 71 | |
| 72 private: | |
| 73 static unsigned maxNameLength; | |
| 74 static StringImpl* findIfKnown(const UChar* characters, unsigned length); | |
| 75 static void addNames(const QualifiedName* const* names, unsigned namesCount)
; | |
| 76 | |
| 77 String m_string; | |
| 78 }; | |
| 79 | |
| 80 } | |
| 81 | |
| 82 #endif | |
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Chromium Code Reviews
Issue 110843004:
Replaced HTMLIdentifier with an atomized string factory function (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master