/**
* Main method that creates for each line of the diff file a DiffLine object
* and add it to the right DiffBlock object
*
* @param array $lines
*/
public function parse($lines)
{
$lines = $this->unsetSummaryInformation($lines);
$factory = FactoryLine::init();
foreach ($lines as $line) {
$line = $factory->build($line);
if ($line instanceof DiffBlockLine) {
if (isset($left) && isset($right) && !$this->checkCorrectLineNumbers($left, $right)) {
throw new Exception('There are differeces in the number of line of the two cloks left and right. ' . __FILE__ . ':' . __LINE__);
}
//echo "DiffBlock\n";
$right = new DiffBlock($line->getStartRight());
$left = new DiffBlock($line->getStartLeft());
$this->right[] = $right;
$this->left[] = $left;
continue;
}
switch ($line->getStatus()) {
case DiffLine::equal:
//echo "*** equal\n";
//echo "left:\n";
$left->resetEmptyLineNumber();
$left->addLine($line);
//echo "right:\n";
$right->resetEmptyLineNumber();
$right->addLine($line);
break;
case DiffLine::left:
//echo "*** left:\n";
//echo "left \n";
$left->addLine($line);
//echo "right \n";
$right->getTotalLineInserted() < $left->getTotalLineInserted() ? $right->addLine(new DiffLine(null)) : null;
break;
case DiffLine::right:
//echo "*** right:\n";
//echo "right \n";
$right->addLine($line);
//echo "left \n";
$left->getTotalLineInserted() < $right->getTotalLineInserted() ? $left->addLine(new DiffLine(null)) : null;
break;
}
}
}
/**
* initalize the factory class
*
* @return RepositoryFactory
*/
public static function init()
{
$class = __CLASS__;
return self::$instance = new $class();
}
