BarcodeGenerator::dispatch_encode

private function dispatch_encode($symbology, $data, $options) {
	switch (strtolower(preg_replace('/[^A-Za-z0-9]/', '', $symbology))) {
		case 'upca'       : return $this->upc_a_encode($data);
		case 'upce'       : return $this->upc_e_encode($data);
		case 'ean13nopad' : return $this->ean_13_encode($data, ' ');
		case 'ean13pad'   : return $this->ean_13_encode($data, '>');
		case 'ean13'      : return $this->ean_13_encode($data, '>');
		case 'ean8'       : return $this->ean_8_encode($data);
		case 'code39'     : return $this->code_39_encode($data);
		case 'code39ascii': return $this->code_39_ascii_encode($data);
		case 'code93'     : return $this->code_93_encode($data);
		case 'code93ascii': return $this->code_93_ascii_encode($data);
		case 'code128'    : return $this->code_128_encode($data, 0,false);
		case 'code128a'   : return $this->code_128_encode($data, 1,false);
		case 'code128b'   : return $this->code_128_encode($data, 2,false);
		case 'code128c'   : return $this->code_128_encode($data, 3,false);
		case 'code128ac'  : return $this->code_128_encode($data,-1,false);
		case 'code128bc'  : return $this->code_128_encode($data,-2,false);
		case 'ean128'     : return $this->code_128_encode($data, 0, true);
		case 'ean128a'    : return $this->code_128_encode($data, 1, true);
		case 'ean128b'    : return $this->code_128_encode($data, 2, true);
		case 'ean128c'    : return $this->code_128_encode($data, 3, true);
		case 'ean128ac'   : return $this->code_128_encode($data,-1, true);
		case 'ean128bc'   : return $this->code_128_encode($data,-2, true);
		case 'codabar'    : return $this->codabar_encode($data);
		case 'itf'        : return $this->itf_encode($data);
		case 'itf14'      : return $this->itf_encode($data);
		case 'qr'         : return $this->qr_encode($data, 0);
		case 'qrl'        : return $this->qr_encode($data, 0);
		case 'qrm'        : return $this->qr_encode($data, 1);
		case 'qrq'        : return $this->qr_encode($data, 2);
		case 'qrh'        : return $this->qr_encode($data, 3);
		case 'dmtx'       : return $this->dmtx_encode($data,false,false);
		case 'dmtxs'      : return $this->dmtx_encode($data,false,false);
		case 'dmtxr'      : return $this->dmtx_encode($data, true,false);
		case 'gs1dmtx'    : return $this->dmtx_encode($data,false, true);
		case 'gs1dmtxs'   : return $this->dmtx_encode($data,false, true);
		case 'gs1dmtxr'   : return $this->dmtx_encode($data, true, true);
	}
	return null;
}