class RegExpert

Attributes

steps[RW]

Public Class Methods

new() click to toggle source

# File lib/reg_expert.rb, line 4
def initialize
  @steps = []
end

Public Instance Methods

at_least(count) click to toggle source

# File lib/reg_expert.rb, line 38
def at_least(count)
  @steps << Proc.new do |step|
    Step.new("#{step.regexp_string}{#{count},}")
  end

  self
end

beginning_of_word()

Alias for: word

character() click to toggle source

# File lib/reg_expert.rb, line 55
def character
  steps << CharacterStep.new

  self
end

Also aliased as: characters

characters()

Alias for: character

digit(digit = nil) click to toggle source

# File lib/reg_expert.rb, line 18
def digit(digit = nil)
  steps << DigitStep.new(digit)

  self
end

Also aliased as: digits

digits(digit = nil)

Alias for: digit

end_of_word()

Alias for: word

exactly(count) click to toggle source

# File lib/reg_expert.rb, line 26
def exactly(count)
  @steps << Proc.new do |step|
    Step.new("#{step.regexp_string}{#{count}}")
  end

  self
end

find(arg) click to toggle source

# File lib/reg_expert.rb, line 12
def find(arg)
  steps << CharacterStep.new(arg)

  self
end

match(test_string) click to toggle source

# File lib/reg_expert.rb, line 8
def match(test_string)
  regex_for_steps.match(test_string)
end

one() click to toggle source

# File lib/reg_expert.rb, line 34
def one
  exactly(1)
end

space() click to toggle source

# File lib/reg_expert.rb, line 61
def space
  @steps << Step.new("\\s")

  self
end

to_regex() click to toggle source

# File lib/reg_expert.rb, line 69
def to_regex
  regex_for_steps
end

word() click to toggle source

# File lib/reg_expert.rb, line 46
def word
  @steps << Step.new("\\b")

  self
end

Also aliased as: end_of_word, beginning_of_word

Private Instance Methods

parsed_steps() click to toggle source

# File lib/reg_expert.rb, line 75
def parsed_steps
  @steps = @steps.map.with_index do |step, index|
    if step.is_a?(Proc)
      parsed_val = step.call(steps[index + 1])

      steps.delete_at(index + 1)

      parsed_val
    else
      step
    end
  end
end

regex_for_steps() click to toggle source

# File lib/reg_expert.rb, line 89
def regex_for_steps
  Regexp.new parsed_steps.collect(&:regexp_string).join
end