PEG parser for Nagios Status.dat file.

nagios_status.peg

start      = group*
identifier = [a-zA-Z_]+
whitespace = [ \r\n\t]
comment    = '#' [^\n]* '\n'
ignored    = whitespace / comment
_          = ignored*

value = word:[^\n]+ '\n' {
  return word;
}

property = _ name:identifier '=' value:value? _ {
  return {
    name: name.join(""),
    value: (value || []).join("").trim()
  };
}

group = _ group_name:identifier _ '{' properties:property* '}' _ {
   return {
     name: group_name.join(""),
     properties: properties.reduce(function (acc, p) {
        acc[p.name] = p.value;
        return acc;
     }, {})
   }
}