1 /* 2 * Copyright (C) 2010 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 APPLE 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 APPLE 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 HTMLMetaCharsetParser_h 27 #define HTMLMetaCharsetParser_h 28 29 #include "core/html/parser/HTMLToken.h" 30 #include "platform/text/SegmentedString.h" 31 #include "wtf/Noncopyable.h" 32 #include "wtf/text/TextCodec.h" 33 #include "wtf/text/TextEncoding.h" 34 35 namespace blink { 36 37 class HTMLTokenizer; 38 39 class HTMLMetaCharsetParser { 40 WTF_MAKE_NONCOPYABLE(HTMLMetaCharsetParser); WTF_MAKE_FAST_ALLOCATED; 41 public: create()42 static PassOwnPtr<HTMLMetaCharsetParser> create() { return adoptPtr(new HTMLMetaCharsetParser()); } 43 44 ~HTMLMetaCharsetParser(); 45 46 // Returns true if done checking, regardless whether an encoding is found. 47 bool checkForMetaCharset(const char*, size_t); 48 encoding()49 const WTF::TextEncoding& encoding() { return m_encoding; } 50 51 private: 52 HTMLMetaCharsetParser(); 53 54 bool processMeta(); 55 56 OwnPtr<HTMLTokenizer> m_tokenizer; 57 OwnPtr<TextCodec> m_assumedCodec; 58 SegmentedString m_input; 59 HTMLToken m_token; 60 bool m_inHeadSection; 61 62 bool m_doneChecking; 63 WTF::TextEncoding m_encoding; 64 }; 65 66 } 67 #endif 68