// https://tools.ietf.org/html/rfc3986#appendix-A

Prism.languages.uri = {
  scheme: {
    pattern: /^[a-z][a-z0-9+.-]*:/im,
    greedy: true,
    inside: {
      'scheme-delimiter': /:$/,
    },
  },
  fragment: {
    pattern: /#[\w\-.~!$&'()*+,;=%:@/?]*/,
    inside: {
      'fragment-delimiter': /^#/,
    },
  },
  query: {
    pattern: /\?[\w\-.~!$&'()*+,;=%:@/?]*/,
    inside: {
      'query-delimiter': {
        pattern: /^\?/,
        greedy: true,
      },
      'pair-delimiter': /[&;]/,
      pair: {
        pattern: /^[^=][\s\S]*/,
        inside: {
          key: /^[^=]+/,
          value: {
            pattern: /(^=)[\s\S]+/,
            lookbehind: true,
          },
        },
      },
    },
  },
  authority: {
    pattern: RegExp(
      /^\/\//.source +
        // [ userinfo "@" ]
        /(?:[\w\-.~!$&'()*+,;=%:]*@)?/.source +
        // host
        ('(?:' +
          // IP-literal
          /\[(?:[0-9a-fA-F:.]{2,48}|v[0-9a-fA-F]+\.[\w\-.~!$&'()*+,;=]+)\]/
            .source +
          '|' +
          // IPv4address or registered name
          /[\w\-.~!$&'()*+,;=%]*/.source +
          ')') +
        // [ ":" port ]
        /(?::\d*)?/.source,
      'm'
    ),
    inside: {
      'authority-delimiter': /^\/\//,
      'user-info-segment': {
        pattern: /^[\w\-.~!$&'()*+,;=%:]*@/,
        inside: {
          'user-info-delimiter': /@$/,
          'user-info': /^[\w\-.~!$&'()*+,;=%:]+/,
        },
      },
      'port-segment': {
        pattern: /:\d*$/,
        inside: {
          'port-delimiter': /^:/,
          port: /^\d+/,
        },
      },
      host: {
        pattern: /[\s\S]+/,
        inside: {
          'ip-literal': {
            pattern: /^\[[\s\S]+\]$/,
            inside: {
              'ip-literal-delimiter': /^\[|\]$/,
              'ipv-future': /^v[\s\S]+/,
              'ipv6-address': /^[\s\S]+/,
            },
          },
          'ipv4-address':
            /^(?:(?:[03-9]\d?|[12]\d{0,2})\.){3}(?:[03-9]\d?|[12]\d{0,2})$/,
        },
      },
    },
  },
  path: {
    pattern: /^[\w\-.~!$&'()*+,;=%:@/]+/m,
    inside: {
      'path-separator': /\//,
    },
  },
};

Prism.languages.url = Prism.languages.uri;