Sha256: 10df575ca4c79f9e62cbb9e164cac222e2cac7c218b9e3b543c363f52130944b
Contents?: true
Size: 626 Bytes
Versions: 4
Compression:
Stored size: 626 Bytes
Contents
############################
# Simple lsystem grammar
############################
class Grammar
attr_reader :axiom, :rules
def initialize(axiom, rules)
@axiom = axiom
@rules = rules
end
def expand(production, iterations, &block)
production.each_char do |token|
if rules.has_key?(token) && iterations > 0
expand(rules[token], iterations - 1, &block)
else
yield token
end
end
end
def each gen
expand(axiom, gen) {|token| yield token }
end
def generate gen
output = []
each(gen){ |token| output << token }
return output
end
end
Version data entries
4 entries across 4 versions & 1 rubygems