Class: KBS::DSL::PatternEvaluator

Inherits:
Object
  • Object
show all
Defined in:
lib/kbs/dsl/pattern_evaluator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PatternEvaluator

Returns a new instance of PatternEvaluator.



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 8

def initialize
  @pattern = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 12

def method_missing(method, *args, &block)
  if args.empty? && !block_given?
    Variable.new(method)
  elsif args.length == 1 && !block_given?
    @pattern[method] = args.first
  elsif block_given?
    @pattern[method] = block
  else
    super
  end
end

Instance Attribute Details

#pattern ⇒ Object (readonly)

Returns the value of attribute pattern.



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 6

def pattern
  @pattern
end

Instance Method Details

#!=(value) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 44

def !=(value)
  ->(v) { v != value }
end

#<(value) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 28

def <(value)
  ->(v) { v < value }
end

#<=(value) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 36

def <=(value)
  ->(v) { v <= value }
end

#==(value) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 40

def ==(value)
  value
end

#>(value) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 24

def >(value)
  ->(v) { v > value }
end

#>=(value) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 32

def >=(value)
  ->(v) { v >= value }
end

#all(*conditions) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 64

def all(*conditions)
  ->(v) { conditions.all? { |c| c.is_a?(Proc) ? c.call(v) : c == v } }
end

#any(*values) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 60

def any(*values)
  ->(v) { values.include?(v) }
end

#between(min, max) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 48

def between(min, max)
  ->(v) { v >= min && v <= max }
end

#in(collection) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 52

def in(collection)
  ->(v) { collection.include?(v) }
end

#matches(pattern) ⇒ Object 



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# File 'lib/kbs/dsl/pattern_evaluator.rb', line 56

def matches(pattern)
  ->(v) { v.match?(pattern) }
end