Source/WebCore/platform/network/ParsedContentType.h

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
 * Copyright (C) 2012 Intel Corporation. All rights reserved.
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#pragma once

#include <wtf/HashMap.h>
#include <wtf/text/StringHash.h>

namespace WebCore {

enum class Mode {
    Rfc2045,
    MimeSniff
};
WEBCORE_EXPORT bool isValidContentType(const String&, Mode = Mode::MimeSniff);

// FIXME: add support for comments.
class ParsedContentType {
public:
    WEBCORE_EXPORT static Optional<ParsedContentType> create(const String&, Mode = Mode::MimeSniff);
    ParsedContentType(ParsedContentType&&) = default;

    String mimeType() const { return m_mimeType; }
    String charset() const;
    void setCharset(String&&);

    // Note that in the case of multiple values for the same name, the last value is returned.
    String parameterValueForName(const String&) const;
    size_t parameterCount() const;

    WEBCORE_EXPORT String serialize() const;

private:
    ParsedContentType(const String&);
    ParsedContentType(const ParsedContentType&) = delete;
    ParsedContentType& operator=(ParsedContentType const&) = delete;
    bool parseContentType(Mode);
    void setContentType(StringView, Mode);
    void setContentTypeParameter(const String&, const String&, Mode);

    typedef HashMap<String, String> KeyValuePairs;
    String m_contentType;
    KeyValuePairs m_parameterValues;
    Vector<String> m_parameterNames;
    String m_mimeType;
};

}