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| 1 /* | |
| 2 * Copyright (C) 2012 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WebSocketExtensionParser_h | |
| 32 #define WebSocketExtensionParser_h | |
| 33 | |
| 34 #include "wtf/HashMap.h" | |
| 35 #include "wtf/text/StringHash.h" | |
| 36 #include "wtf/text/WTFString.h" | |
| 37 | |
| 38 namespace blink { | |
| 39 | |
| 40 class WebSocketExtensionParser { | |
| 41 public: | |
| 42 WebSocketExtensionParser(const char* start, const char* end) | |
| 43 : m_current(start) | |
| 44 , m_end(end) | |
| 45 { | |
| 46 } | |
| 47 bool finished(); | |
| 48 bool parsedSuccessfully(); | |
| 49 bool parseExtension(String& extensionToken, HashMap<String, String>& paramet
ers); | |
| 50 | |
| 51 private: | |
| 52 class ParserStateBackup { | |
| 53 public: | |
| 54 ParserStateBackup(WebSocketExtensionParser* parser) | |
| 55 : m_parser(parser) | |
| 56 , m_current(parser->m_current) | |
| 57 , m_isDisposed(false) { } | |
| 58 ~ParserStateBackup(); | |
| 59 | |
| 60 void dispose() { m_isDisposed = true; } | |
| 61 private: | |
| 62 WebSocketExtensionParser* m_parser; | |
| 63 const char* m_current; | |
| 64 bool m_isDisposed; | |
| 65 }; | |
| 66 const String& currentToken() { return m_currentToken; } | |
| 67 | |
| 68 // The following member functions basically follow the grammar defined | |
| 69 // in Section 2.2 of RFC 2616. | |
| 70 bool consumeToken(); | |
| 71 bool consumeQuotedString(); | |
| 72 bool consumeQuotedStringOrToken(); | |
| 73 bool consumeCharacter(char); | |
| 74 | |
| 75 void skipSpaces(); | |
| 76 | |
| 77 const char* m_current; | |
| 78 const char* const m_end; | |
| 79 String m_currentToken; | |
| 80 }; | |
| 81 | |
| 82 } // namespace blink | |
| 83 | |
| 84 #endif // WebSocketExtensionParser_h | |
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Chromium Code Reviews
Issue 639333003:
Delete the old WebSocket implementation. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master