1/* 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 4 * Copyright (C) 2009 Google Inc. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include "config.h" 29#include "platform/ContentType.h" 30 31namespace WebCore { 32 33ContentType::ContentType(const String& contentType) 34 : m_type(contentType) 35{ 36} 37 38String ContentType::parameter(const String& parameterName) const 39{ 40 String parameterValue; 41 String strippedType = m_type.stripWhiteSpace(); 42 43 // a MIME type can have one or more "param=value" after a semi-colon, and separated from each other by semi-colons 44 size_t semi = strippedType.find(';'); 45 if (semi != kNotFound) { 46 size_t start = strippedType.find(parameterName, semi + 1, false); 47 if (start != kNotFound) { 48 start = strippedType.find('=', start + parameterName.length()); 49 if (start != kNotFound) { 50 size_t quote = strippedType.find('\"', start + 1); 51 size_t end = strippedType.find('\"', start + 2); 52 if (quote != kNotFound && end != kNotFound) { 53 start = quote; 54 } else { 55 end = strippedType.find(';', start + 1); 56 if (end == kNotFound) 57 end = strippedType.length(); 58 } 59 parameterValue = strippedType.substring(start + 1, end - (start + 1)).stripWhiteSpace(); 60 } 61 } 62 } 63 64 return parameterValue; 65} 66 67String ContentType::type() const 68{ 69 String strippedType = m_type.stripWhiteSpace(); 70 71 // "type" can have parameters after a semi-colon, strip them 72 size_t semi = strippedType.find(';'); 73 if (semi != kNotFound) 74 strippedType = strippedType.left(semi).stripWhiteSpace(); 75 76 return strippedType; 77} 78 79Vector<String> ContentType::codecs() const 80{ 81 String codecsParameter = parameter("codecs"); 82 83 if (codecsParameter.isEmpty()) 84 return Vector<String>(); 85 86 Vector<String> codecs; 87 codecsParameter.split(",", codecs); 88 for (size_t i = 0; i < codecs.size(); ++i) 89 codecs[i] = codecs[i].simplifyWhiteSpace(); 90 91 return codecs; 92} 93 94} // namespace WebCore 95