| /* |
| * Copyright (C) 2006, 2008, 2013 Apple Inc. All rights reserved. |
| * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "ContentType.h" |
| #include "HTMLParserIdioms.h" |
| #include <wtf/JSONValues.h> |
| #include <wtf/NeverDestroyed.h> |
| |
| namespace WebCore { |
| |
| ContentType::ContentType(String&& contentType) |
| : m_type(WTFMove(contentType)) |
| { |
| } |
| |
| ContentType::ContentType(const String& contentType) |
| : m_type(contentType) |
| { |
| } |
| |
| const String& ContentType::codecsParameter() |
| { |
| static NeverDestroyed<String> codecs { "codecs"_s }; |
| return codecs; |
| } |
| |
| const String& ContentType::profilesParameter() |
| { |
| static NeverDestroyed<String> profiles { "profiles"_s }; |
| return profiles; |
| } |
| |
| String ContentType::parameter(const String& parameterName) const |
| { |
| String parameterValue; |
| String strippedType = m_type.stripWhiteSpace(); |
| |
| // a MIME type can have one or more "param=value" after a semi-colon, and separated from each other by semi-colons |
| size_t semi = strippedType.find(';'); |
| if (semi != notFound) { |
| size_t start = strippedType.findIgnoringASCIICase(parameterName, semi + 1); |
| if (start != notFound) { |
| start = strippedType.find('=', start + parameterName.length()); |
| if (start != notFound) { |
| size_t quote = strippedType.find('\"', start + 1); |
| size_t end = strippedType.find('\"', start + 2); |
| if (quote != notFound && end != notFound) |
| start = quote; |
| else { |
| end = strippedType.find(';', start + 1); |
| if (end == notFound) |
| end = strippedType.length(); |
| } |
| parameterValue = strippedType.substring(start + 1, end - (start + 1)).stripWhiteSpace(); |
| } |
| } |
| } |
| |
| return parameterValue; |
| } |
| |
| String ContentType::containerType() const |
| { |
| String strippedType = m_type.stripWhiteSpace(); |
| |
| // "type" can have parameters after a semi-colon, strip them |
| size_t semi = strippedType.find(';'); |
| if (semi != notFound) |
| strippedType = strippedType.left(semi).stripWhiteSpace(); |
| |
| return strippedType; |
| } |
| |
| static inline Vector<String> splitParameters(StringView parametersView) |
| { |
| Vector<String> result; |
| for (auto view : parametersView.split(',')) |
| result.append(view.stripLeadingAndTrailingMatchedCharacters(isHTMLSpace<UChar>).toString()); |
| return result; |
| } |
| |
| Vector<String> ContentType::codecs() const |
| { |
| return splitParameters(parameter(codecsParameter())); |
| } |
| |
| Vector<String> ContentType::profiles() const |
| { |
| return splitParameters(parameter(profilesParameter())); |
| } |
| |
| String ContentType::toJSONString() const |
| { |
| auto object = JSON::Object::create(); |
| |
| object->setString("containerType"_s, containerType()); |
| |
| auto codecs = codecsParameter(); |
| if (!codecs.isEmpty()) |
| object->setString("codecs"_s, codecs); |
| |
| auto profiles = profilesParameter(); |
| if (!profiles.isEmpty()) |
| object->setString("profiles"_s, profiles); |
| |
| return object->toJSONString(); |
| } |
| |
| } // namespace WebCore |