Method: TkComm.array2tk_list

Defined in:
lib/tk.rb,
lib/tk.rb

.array2tk_list(ary, enc = nil) ⇒ Object 



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# File 'lib/tk.rb', line 356

def array2tk_list(ary, enc=nil)
  return "" if ary.size == 0

  sys_enc = TkCore::INTERP.encoding
  sys_enc = TclTkLib.encoding_system unless sys_enc

  dst_enc = (enc == nil)? sys_enc: enc

  dst = ary.collect{|e|
    if e.kind_of? Array
      s = array2tk_list(e, enc)
    elsif e.kind_of? Hash
      tmp_ary = []
      #e.each{|k,v| tmp_ary << k << v }
      e.each{|k,v| tmp_ary << "-#{_get_eval_string(k)}" << v }
      s = array2tk_list(tmp_ary, enc)
    else
      s = _get_eval_string(e, enc)
    end

    if dst_enc != true && dst_enc != false
      if (s_enc = s.instance_variable_get(:@encoding))
        s_enc = s_enc.to_s
      elsif TkCore::WITH_ENCODING
        s_enc = s.encoding.name
      else
        s_enc = sys_enc
      end
      dst_enc = true if s_enc != dst_enc
    end

    s
  }

  if sys_enc && dst_enc
    dst.map!{|s| _toUTF8(s)}
    ret = TkCore::INTERP._merge_tklist(*dst)
    if TkCore::WITH_ENCODING
      if dst_enc.kind_of?(String)
        ret = _fromUTF8(ret, dst_enc)
        ret.force_encoding(dst_enc)
      else
        ret.force_encoding('utf-8')
      end
    else # without encoding
      if dst_enc.kind_of?(String)
        ret = _fromUTF8(ret, dst_enc)
        ret.instance_variable_set(:@encoding, dst_enc)
      else
        ret.instance_variable_set(:@encoding, 'utf-8')
      end
    end
    ret
  else
    TkCore::INTERP._merge_tklist(*dst)
  end
end