1 /* 2 Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies) 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Library General Public 6 License as published by the Free Software Foundation; either 7 version 2 of the License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public License 15 along with this library; see the file COPYING.LIB. If not, write to 16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef MIMESniffing_h 21 #define MIMESniffing_h 22 23 #include <stddef.h> 24 25 // MIME type sniffing implementation based on http://tools.ietf.org/html/draft-abarth-mime-sniff-06 26 27 class MIMESniffer { 28 public: 29 MIMESniffer(const char* advertisedMIMEType, bool isSupportedImageType); 30 dataSize()31 size_t dataSize() const { return m_dataSize; } sniff(const char * data,size_t size)32 const char* sniff(const char* data, size_t size) const { return m_function ? m_function(data, size) : 0; } isValid()33 bool isValid() const { return m_dataSize > 0; } 34 35 private: 36 typedef const char* (*SniffFunction)(const char*, size_t); 37 size_t m_dataSize; 38 SniffFunction m_function; 39 }; 40 41 #endif // MIMESniffing_h 42