public function optimize(Renderer $renderer, Filter $node, $options)
{
$inserts = array();
$content = '';
foreach ($node->getChilds() as $child) {
foreach ($child->getContent()->getChilds() as $item) {
if ($item instanceof Text) {
$content .= $item->getContent();
} else {
$hash = md5(mt_rand());
$inserts[$hash] = $item;
$content .= $hash;
}
}
$content .= "\n";
}
$string = new InterpolatedString(array());
$result = $this->filter($content, array(), array());
foreach ($inserts as $hash => $insert) {
$parts = explode($hash, $result, 2);
$string->addChild(new Text(array(), $parts[0]));
$string->addChild($insert);
$result = $parts[1];
}
$string->addChild(new Text(array(), $result));
$string->accept($renderer);
}
public function optimize(Renderer $renderer, Filter $node, $options)
{
foreach ($node->getChilds() as $line) {
$content = '';
foreach ($line->getContent()->getChilds() as $child) {
$content .= $child->getContent();
}
$renderer->write($content);
}
}
protected function getContent(Filter $node)
{
$content = '';
foreach ($node->getChilds() as $line) {
foreach ($line->getContent()->getChilds() as $child) {
$content .= $child->getContent();
}
$content .= "\n";
}
return $content;
}
public function enterFilter(Filter $node)
{
$this->write('filter(' . $node->getFilter())->indent();
}
public function leaveFilter(Filter $node)
{
switch ($node->getFilter()) {
case 'javascript':
$this->undent()->write('//]]>')->write('</script>');
break;
case 'css':
$this->undent()->write('/*]]>*/')->write('</style>');
break;
case 'plain':
break;
case 'preserve':
$this->indent = array_pop($this->savedIndent);
break;
}
}
protected function parseFilter($buf)
{
if (!$buf->match('/:(.*)/A', $match)) {
return null;
}
$node = new Filter($match['pos'][0], $match[1]);
while (null !== ($next = $buf->peekLine())) {
$indent = '';
if ('' !== trim($next)) {
$indent = $this->getIndentString(1, $next);
if ('' === $indent) {
break;
}
if (strpos($next, $indent) !== 0) {
break;
}
}
$buf->nextLine();
$buf->eatChars(strlen($indent));
$str = $this->parseInterpolatedString($buf, false);
$node->addChild(new Statement($str->getPosition(), $str));
}
return $node;
}
public function leaveFilter(Filter $node)
{
$filter = $this->env->getFilter($node->getFilter());
if (!$filter->isOptimizable($this, $node, $this->env->getOptions())) {
$this->write('{% endfilter %}');
$this->indent = $this->popSavedIndent();
}
}
public function leaveFilter(Filter $node)
{
$filter = $this->env->getFilter($node->getFilter());
if (!$filter->isOptimizable($this, $node, $this->env->getOptions())) {
$this->undent();
$this->write(') ?>');
$this->popEchoMode();
}
}
public function enterFilterChilds(Filter $node)
{
$filter = $this->env->getFilter($node->getFilter());
if ($filter->isOptimizable($this, $node, $this->env->getOptions())) {
$filter->optimize($this, $node, $this->env->getOptions());
return false;
}
}