/**
* Parse next commend token.
*
* @return CommentNode
*/
protected function parseComment()
{
$token = $this->expectTokenType('comment');
$node = new CommentNode(preg_replace('/^ +| +$/', '', $token->value), $token->buffer, $this->lexer->getCurrentLine());
// Skip newlines
while ($this->lexer->predictToken()->type === 'newline') {
$this->lexer->getAdvancedToken();
}
if ($this->lexer->predictToken()->type === 'indent') {
$node->setBlock($this->parseBlock());
}
return $node;
}
/**
* Dump comment node.
*
* @param CommentNode $node comment node
* @param integer $level indentation level
*
* @return string
*/
protected function dumpComment(CommentNode $node, $level = 0)
{
if ($node->isBuffered()) {
$html = str_repeat(' ', $level);
if ($node->getBlock()) {
$string = $node->getString();
$beg = "<!--\n";
$end = "\n" . str_repeat(' ', $level) . '-->';
if (preg_match('/^ *if/', $string)) {
$beg = '<!--[' . $string . "]>\n";
$end = "\n" . str_repeat(' ', $level) . '<![endif]-->';
$string = '';
}
$html .= $beg;
if ($string !== '') {
$html .= str_repeat(' ', $level + 1) . $string . "\n";
}
$html .= $this->dumpBlock($node->getBlock(), $level + 1);
$html .= $end;
} else {
$html = str_repeat(' ', $level) . '<!-- ' . $node->getString() . ' -->';
}
return $html;
} else {
return '';
}
}