Class: MatchData

Inherits:
Object show all
Defined in:
lib/innate/regexp.rb

Instance Method Summary collapse

Instance Method Details

#breakdown ⇒ Object 



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# File 'lib/innate/regexp.rb', line 45

def breakdown
  s = []
  length.times do |o|
    if offset(o) == [nil, nil]
      s << ''
    else
      s << (' ' * offset(o).first) + self[o] + (' ' * (string.length - offset(o).last))
    end
  end 
  s
end

#display(first = 0, last = nil, open = '(', close = ')') ⇒ Object 



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# File 'lib/innate/regexp.rb', line 23

def display(first = 0, last = nil, open = '(', close = ')') 
  s = pre_match
  p = s.length
  e = []
  (first...(last || length)).each do |o|
    next if offset(o) == [nil, nil]
    while e.last and e.last <= offset(o).first
      s << string[p...e.last] + close
      p = e.pop
    end
    s << string[p...offset(o).first] + open
    p = offset(o).first
    e << offset(o).last
  end
  while e.last
    s << string[p...e.last] + close
    p = e.pop
  end
  s << string[p..-1]
  return s
end

#display_breakdown ⇒ Object 



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# File 'lib/innate/regexp.rb', line 57

def display_breakdown
  r = "S: |#{string}|"
  breakdown.each_with_index do |s, i|
    r += "\n#{i}: |#{s}|"
  end
  r
end

#replace_capture(c, s) ⇒ Object 



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# File 'lib/innate/regexp.rb', line 19

def replace_capture(c, s)
  string[0, offset(c)[0]] + (s || '') + string[offset(c)[1]..-1]
end

#sub(repl, capture_num = 1) ⇒ Object

Replace the matching part of the string with match interpolation.

If there are any captures, replaces the first one, otherwise replaces the whole match.

Interpolates %n to the corresponding capture.



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# File 'lib/innate/regexp.rb', line 71

def sub(repl, capture_num = 1)
  cn = capture_num || 1
  t = repl.clone
  to_a[1..-1].each_with_index do |m, i|
    t.gsub!("%#{i + 1}", m ? m : '')
  end
  replace_capture self[cn] ? cn : 0, t
end