third_party/WebKit/Source/platform/network/ParsedContentType.h

/*
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 * Copyright (C) 2012 Intel Corporation. All rights reserved.
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#ifndef ParsedContentType_h
#define ParsedContentType_h

#include "platform/PlatformExport.h"
#include "wtf/Allocator.h"
#include "wtf/HashMap.h"
#include "wtf/text/StringHash.h"

namespace blink {

// <index, length>
typedef std::pair<unsigned, unsigned> SubstringRange;
PLATFORM_EXPORT bool isValidContentType(const String&);

// FIXME: add support for comments.
class PLATFORM_EXPORT ParsedContentType final {
  STACK_ALLOCATED();

 public:
  explicit ParsedContentType(const String&);

  String mimeType() const { return m_mimeType; }
  String charset() const;

  // 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;

 private:
  template <class ReceiverType>
  friend bool parseContentType(const String&, ReceiverType&);
  void setContentType(const SubstringRange&);
  void setContentTypeParameter(const SubstringRange&, const SubstringRange&);

  typedef HashMap<String, String> KeyValuePairs;
  String m_contentType;
  KeyValuePairs m_parameters;
  String m_mimeType;
};

}  // namespace blink

#endif