about summary refs log tree commit diff
path: root/app/lib/scope_parser.rb
blob: d268688c83edfdc924dd2a843311bbdddcba4d02 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
# frozen_string_literal: true

class ScopeParser < Parslet::Parser
  rule(:term)      { match('[a-z]').repeat(1).as(:term) }
  rule(:colon)     { str(':') }
  rule(:access)    { (str('write') | str('read')).as(:access) }
  rule(:namespace) { str('admin').as(:namespace) }
  rule(:scope)     { ((namespace >> colon).maybe >> ((access >> colon >> term) | access | term)).as(:scope) }
  root(:scope)
end