Method: Tk::Iwidgets::Scrolledtext#search_with_length

Defined in:
lib/tkextlib/iwidgets/scrolledtext.rb

#search_with_length(pat, start, stop = None) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 415

def search_with_length(pat,start,stop=None)
  pat = pat.chr if pat.kind_of? Integer
  if stop != None
    return ["", 0] if compare(start,'>=',stop)
    txt = get(start,stop)
    if (pos = txt.index(pat))
      match = $&
      #pos = txt[0..(pos-1)].split('').length if pos > 0
      pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
      if pat.kind_of? String
        #return [index(start + " + #{pos} chars"), pat.split('').length]
        return [index(start + " + #{pos} chars"),
                _ktext_length(pat), pat.dup]
      else
        #return [index(start + " + #{pos} chars"), $&.split('').length]
        return [index(start + " + #{pos} chars"),
                _ktext_length(match), match]
      end
    else
      return ["", 0]
    end
  else
    txt = get(start,'end - 1 char')
    if (pos = txt.index(pat))
      match = $&
      #pos = txt[0..(pos-1)].split('').length if pos > 0
      pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
      if pat.kind_of? String
        #return [index(start + " + #{pos} chars"), pat.split('').length]
        return [index(start + " + #{pos} chars"),
                _ktext_length(pat), pat.dup]
      else
        #return [index(start + " + #{pos} chars"), $&.split('').length]
        return [index(start + " + #{pos} chars"),
                _ktext_length(match), match]
      end
    else
      txt = get('1.0','end - 1 char')
      if (pos = txt.index(pat))
        match = $&
        #pos = txt[0..(pos-1)].split('').length if pos > 0
        pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
        if pat.kind_of? String
          #return [index("1.0 + #{pos} chars"), pat.split('').length]
          return [index("1.0 + #{pos} chars"),
                  _ktext_length(pat), pat.dup]
        else
          #return [index("1.0 + #{pos} chars"), $&.split('').length]
          return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
        end
      else
        return ["", 0]
      end
    end
  end
end