* @copyright 2015 Smiley
* @license MIT
*/
namespace chillerlan\QRCode\Output;
use chillerlan\QRCode\QRCode;
/**
*
*/
class QRString extends QROutputBase implements QROutputInterface{
/**
* @var \chillerlan\QRCode\Output\QRStringOptions
*/
protected $options;
/**
* @var \chillerlan\QRCode\Output\QRStringOptions $outputOptions
*/
public function __construct(QRStringOptions $outputOptions = null){
$this->options = $outputOptions;
if(!$this->options instanceof QRStringOptions){
$this->options = new QRStringOptions;
}
}
/**
* @return string
* @throws \chillerlan\QRCode\Output\QRCodeOutputException
*/
public function dump(){
switch($this->options->type){
case QRCode::OUTPUT_STRING_TEXT: return $this->toText();
case QRCode::OUTPUT_STRING_JSON: return $this->toJSON();
case QRCode::OUTPUT_STRING_HTML: return $this->toHTML();
default:
throw new QRCodeOutputException('Invalid string output type!');
}
}
/**
* @return string
*/
public function toText(){
$text = '';
foreach($this->matrix as &$row){
foreach($row as &$col){
$text .= $col
? $this->options->textDark
: $this->options->textLight;
}
$text .= $this->options->textNewline;
}
return $text;
}
/**
* @return string
*/
public function toJSON(){
return json_encode($this->matrix);
}
/**
* @return string
*/
public function toHTML(){
$html = '';
foreach($this->matrix as &$row){
// in order to not bloat the output too much, we use the shortest possible valid HTML tags
$html .= '';
foreach($row as &$col){
$tag = $col
? 'b' // dark
: 'i'; // light
$html .= '<'.$tag.'>';
}
// the closing
tag may be omitted
# $html .= '
';
$html .= PHP_EOL;
}
return $html;
}
}