de.bottlecaps.markup.blitz.ixml.ixml Maven / Gradle / Ivy

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{version 2024-03-19}
         ixml: s, (prolog, RS)?, rule++RS, s.
           -s: (whitespace; comment)*. {Optional spacing}
          -RS: (whitespace; comment)+. {Required spacing}
  -whitespace: -[Zs];
               tab;
               lf;
               cr.
         -tab: -#9.
          -lf: -#a.
          -cr: -#d.
      comment: -'{', (cchar; comment)*, -'}'.
       -cchar: ~['{}'].
       prolog: version.
      version: -'ixml', RS, -'version', RS, string, s, -'.'.
         rule: naming, -['=:'], s, -alts, -'.'.
      -naming: (mark, s)?, name, s, ('>', s, alias, s)?.
        @name: namestart, namefollower*.
   -namestart: ['_'; L].
-namefollower: namestart;
               ['-.·‿⁀'; Nd; Mn].
       @alias: name.
         alts: alt++(-[';|'], s).
          alt: term**(-',', s).
        -term: factor;
               option;
               repeat0;
               repeat1.
      -factor: terminal;
               nonterminal;
               insertion;
               -'(', s, alts, -')', s.
      repeat0: factor, (-'*', s; -'**', s, sep).
      repeat1: factor, (-'+', s; -'++', s, sep).
       option: factor, -'?', s.
        @mark: ['@^-'].
          sep: factor.
  nonterminal: naming.
    -terminal: literal;
               charset.
      literal: quoted;
               encoded.
      -quoted: (tmark, s)?, string, s.
       @tmark: ['^-'].
      @string: -'"', dchar+, -'"';
               -'''', schar+, -''''.
        dchar: ~['"'; Cc];
               '"', -'"'. {all characters except controls; quotes must be doubled}
        schar: ~[''''; Cc];
               '''', -''''. {all characters except controls; quotes must be doubled}
     -encoded: (tmark, s)?, -'#', hex, s.
         @hex: ['0'-'9'; 'a'-'f'; 'A'-'F']+.
     -charset: inclusion;
               exclusion.
    inclusion: (tmark, s)?, set.
    exclusion: (tmark, s)?, -'~', s, set.
         -set: -'[', s, (member, s)**(-[';|'], s), -']', s.
       member: string;
               -'#', hex;
               range;
               class.
       -range: from, s, -'-', s, to.
        @from: character.
          @to: character.
   -character: -'"', dchar, -'"';
               -'''', schar, -'''';
               '#', hex.
       -class: code.
        @code: capital, letter?.
     -capital: ['A'-'Z'].
      -letter: ['A'-'Z'; 'a'-'z'].
    insertion: -'+', s, (string; -'#', hex), s.