Contents

require 'mustermann/ast'

module Mustermann
  # Sinatra 2.0 style pattern implementation.
  #
  # @example
  #   Mustermann.new('/:foo') === '/bar' # => true
  #
  # @see Pattern
  # @see file:README.md#sinatra Syntax description in the README
  class Sinatra < AST
    def parse_element(buffer)
      case char = buffer.getch
      when nil, ?? then unexpected(char)
      when ?)      then unexpected(char, exception: UnexpectedClosingGroup)
      when ?*      then Splat.new
      when ?/      then Separator.new(char)
      when ?(      then Group.parse { parse_buffer(buffer) }
      when ?:      then Capture.parse { buffer.scan(/\w+/) }
      when ?\\     then Char.new expect(buffer, /./)
      else Char.new(char)
      end
    end

    def parse_suffix(element, buffer)
      return element unless buffer.scan(/\?/)
      Optional.new(element)
    end

    private :parse_element, :parse_suffix
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
mustermann-0.0.1	lib/mustermann/sinatra.rb