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 HTMLTreeBuilderSimulator_h 27 #define HTMLTreeBuilderSimulator_h 28 29 #include "core/html/parser/HTMLParserOptions.h" 30 #include "wtf/Vector.h" 31 32 namespace blink { 33 34 class CompactHTMLToken; 35 class HTMLTokenizer; 36 class HTMLTreeBuilder; 37 38 class HTMLTreeBuilderSimulator { 39 WTF_MAKE_FAST_ALLOCATED; 40 private: 41 enum Namespace { 42 HTML, 43 SVG, 44 MathML 45 }; 46 47 public: 48 typedef Vector<Namespace, 1> State; 49 50 explicit HTMLTreeBuilderSimulator(const HTMLParserOptions&); 51 52 static State stateFor(HTMLTreeBuilder*); 53 state()54 const State& state() const { return m_namespaceStack; } setState(const State & state)55 void setState(const State& state) { m_namespaceStack = state; } 56 57 bool simulate(const CompactHTMLToken&, HTMLTokenizer*); 58 59 private: 60 explicit HTMLTreeBuilderSimulator(HTMLTreeBuilder*); 61 inForeignContent()62 bool inForeignContent() const { return m_namespaceStack.last() != HTML; } 63 64 HTMLParserOptions m_options; 65 State m_namespaceStack; 66 }; 67 68 } 69 70 #endif 71