test/decision_3_test.rb @@ -171,6 +171,11 @@ module Decision # # will yield { result => [ 'normal', 'large' ]} for f0 => 56 # + # * "unbounded", by default, string matching is 'bounded', "apple" will match + # 'apple', but not 'greenapple'. When "unbounded" is set, 'greenapple' will + # match. ('bounded', in reality, means the target value is surrounded + # by ^ and $) + # # === Setting options at table initialization # # It's OK to set the options at initialization time : @@ -250,6 +255,17 @@ module Decision # attr_accessor :accumulate + # when set to true, evaluation of ruby code for output is allowed. False + # by default. + # + attr_accessor :ruby_eval + + # false (bounded) by default : exact matches for string matching. When + # 'unbounded', target 'apple' will match for values like 'greenapples' or + # 'apple seed'. + # + attr_accessor :unbound + # The constructor for DecisionTable, you can pass a String, an Array # (of arrays), a File object. The CSV parser coming with Ruby will take # care of it and a DecisionTable instance will be built. @@ -282,6 +298,7 @@ module Decision set_opt(options, :ignore_case, :ignorecase) set_opt(options, :accumulate) set_opt(options, :ruby_eval) + set_opt(options, :unbounded) @first_match = false if @accumulate end @@ -371,8 +388,8 @@ module Decision modifiers = 0 modifiers += Regexp::IGNORECASE if @ignore_case - #rcell = Regexp.new(cell, modifiers) - rcell = Regexp.new("^#{cell}$", modifiers) + rcell = @unbounded ? + Regexp.new(cell, modifiers) : Regexp.new("^#{cell}$", modifiers) rcell.match(value) end @@ -449,6 +466,8 @@ module Decision elsif cell == 'accumulate' @first_match = false @accumulate = true + elsif cell == 'unbounded' + @unbounded = true end end lib/rufus/decision.rb @@ -397,20 +397,5 @@ in:fx,out:fz wi = { "fx" => "81" } do_test CSV13, wi, { "fz" => "bad" }, false end - - CSV14 = %{ -in:fstate,out:result -apple,1 -orange,2 -} - - def test_bounded_match - - dt = Rufus::DecisionTable.new(CSV14) - - assert_equal( - { 'fstate' => 'greenapples' }, - dt.transform({ 'fstate' => 'greenapples' })) - end end test/decision_0_test.rb 2c70c64e5d00053ad21061c657739051334a6f8a John Mettraux jmettraux@gmail.com http://github.com/jmettraux/rufus-decision/commit/39198fb6ab8b8d647e79e3bd4ac9f70e370bbf6f 39198fb6ab8b8d647e79e3bd4ac9f70e370bbf6f 2009-09-06T21:54:57-07:00 2009-09-06T21:54:57-07:00 added 'unbounded' option 38a0293ac45507f37be9b6109c05d655b50606b5 John Mettraux jmettraux@gmail.com