ContentType.h

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#ifndef LINTEL_CONTENTTYPE_H
#define LINTEL_CONTENTTYPE_H
 
#include <array>
#include <string>
#include <string_view>
 
namespace lintel {
class ContentType
{
public:
  enum Value {
    UNDEFINED,
    TextCss,// text/css
    TextCsv,// text/csv
    TextPlain,// text/plain
    TextVtt,// text/vtt
    TextHtml,// text/html
    ImageApng,// image/apng
    ImageAvif,// image/avif
    ImageBmp,// image/bmp
    ImageGif,// image/gif
    ImagePng,// image/png
    ImageSvgXml,// image/svg+xml
    ImageWebp,// image/webp
    ImageXIcon,// image/x-icon
    ImageTiff,// image/tiff
    ImageJpeg,// image/jpeg
    VideoMp4,// video/mp4
    VideoMpeg,// video/mpeg
    VideoWebm,// video/webm
    AudioMp3,// audio/mp3
    AudioMpeg,// audio/mpeg
    AudioWebm,// audio/webm
    AudioWave,// audio/wave
    FontOtf,// font/otf
    FontTtf,// font/ttf
    FontWoff,// font/woff
    FontWoff2,// font/woff2
    ApplicationX7vCompressed,// application/x-7z-compressed
    ApplicationAtomXml,// application/atom+xml
    ApplicationPdf,// application/pdf
    ApplicationJavascript,// application/javascript
    ApplicationJson,// application/json
    ApplicationRssXml,// application/rss+xml
    ApplicationXTar,// application/x-tar
    ApplicationXhtmlXml,// application/xhtml+xml
    ApplicationXsltXml,// application/xslt+xml
    ApplicationXml,// application/xml
    ApplicationGzip,// application/gzip
    ApplicationZip,// application/zip
    ApplicationWasm// application/wasm
  };
 
  struct Mapping
  {
    Value value;
    std::string_view name;
  };
 
  static constexpr std::array<Mapping, 39> kNameToValue = { {
    { ApplicationJavascript, "application/javascript" },
    { ApplicationAtomXml, "application/atom+xml" },
    { ApplicationGzip, "application/gzip" },
    { ApplicationJson, "application/json" },
    { ApplicationPdf, "application/pdf" },
    { ApplicationRssXml, "application/rss+xml" },
    { ApplicationWasm, "application/wasm" },
    { ApplicationX7vCompressed, "application/x-7z-compressed" },
    { ApplicationXTar, "application/x-tar" },
    { ApplicationXhtmlXml, "application/xhtml+xml" },
    { ApplicationXml, "application/xml" },
    { ApplicationXsltXml, "application/xslt+xml" },
    { ApplicationZip, "application/zip" },
    { AudioMp3, "audio/mp3" },
    { AudioMpeg, "audio/mpeg" },
    { AudioWave, "audio/wave" },
    { AudioWebm, "audio/webm" },
    { FontOtf, "font/otf" },
    { FontTtf, "font/ttf" },
    { FontWoff, "font/woff" },
    { FontWoff2, "font/woff2" },
    { ImageApng, "image/apng" },
    { ImageAvif, "image/avif" },
    { ImageBmp, "image/bmp" },
    { ImageGif, "image/gif" },
    { ImageJpeg, "image/jpeg" },
    { ImagePng, "image/png" },
    { ImageSvgXml, "image/svg+xml" },
    { ImageTiff, "image/tiff" },
    { ImageWebp, "image/webp" },
    { ImageXIcon, "image/x-icon" },
    { TextCss, "text/css" },
    { TextCsv, "text/csv" },
    { TextHtml, "text/html" },
    { TextPlain, "text/plain" },
    { TextVtt, "text/vtt" },
    { VideoMp4, "video/mp4" },
    { VideoMpeg, "video/mpeg" },
    { VideoWebm, "video/webm" },
  } };
 
  static constexpr std::array<Mapping, 39> kValueToName = { {
    { TextCss, "text/css" },
    { TextCsv, "text/csv" },
    { TextPlain, "text/plain" },
    { TextVtt, "text/vtt" },
    { TextHtml, "text/html" },
    { ImageApng, "image/apng" },
    { ImageAvif, "image/avif" },
    { ImageBmp, "image/bmp" },
    { ImageGif, "image/gif" },
    { ImagePng, "image/png" },
    { ImageSvgXml, "image/svg+xml" },
    { ImageWebp, "image/webp" },
    { ImageXIcon, "image/x-icon" },
    { ImageTiff, "image/tiff" },
    { ImageJpeg, "image/jpeg" },
    { VideoMp4, "video/mp4" },
    { VideoMpeg, "video/mpeg" },
    { VideoWebm, "video/webm" },
    { AudioMp3, "audio/mp3" },
    { AudioMpeg, "audio/mpeg" },
    { AudioWebm, "audio/webm" },
    { AudioWave, "audio/wave" },
    { FontOtf, "font/otf" },
    { FontTtf, "font/ttf" },
    { FontWoff, "font/woff" },
    { FontWoff2, "font/woff2" },
    { ApplicationX7vCompressed, "application/x-7z-compressed" },
    { ApplicationAtomXml, "application/atom+xml" },
    { ApplicationPdf, "application/pdf" },
    { ApplicationJavascript, "application/javascript" },
    { ApplicationJson, "application/json" },
    { ApplicationRssXml, "application/rss+xml" },
    { ApplicationXTar, "application/x-tar" },
    { ApplicationXhtmlXml, "application/xhtml+xml" },
    { ApplicationXsltXml, "application/xslt+xml" },
    { ApplicationXml, "application/xml" },
    { ApplicationGzip, "application/gzip" },
    { ApplicationZip, "application/zip" },
    { ApplicationWasm, "application/wasm" },
  } };
 
  constexpr ContentType(Value value) : m_value(value) {}
 
  explicit ContentType(const std::string &contentType);
 
  constexpr operator Value() const { return m_value; }
 
  explicit operator bool() = delete;
 
  [[nodiscard]] constexpr Value getValue() const { return m_value; }
 
  [[nodiscard]] std::string getName() const;
 
private:
  static Value build(std::string_view contentType);
 
  Value m_value;
};
 
}// namespace lintel
#endif// LINTEL_CONTENTTYPE_H