public function compile(Compiler $compiler, TagNode $node)
{
if ($node->hasChild('else')) {
//extract data to be traversed
$compiler->indented('$temp = ')->compileNode($node->getChild('source'))->add(';');
//generate check and code for the 'else' branch
$compiler->indented('if(empty($temp)) {')->indent()->compileNode($node->getChild('else'))->outdent()->indented('} else {')->indent();
$source = new TempVariableNode('temp');
} else {
$source = $node->getChild('source');
}
$compiler->indented('foreach(')->compileNode($source)->add(' as ');
if ($node->hasChild('loop_key')) {
$compiler->compileNode($node->getChild('loop_key'))->add(' => ');
}
$variables = $node->getData('variables');
if ($variables === 1) {
$compiler->compileNode($node->getChild('loop_variable_0'))->add(') {')->indent();
} else {
$arguments = [];
for ($i = 0; $i < $variables; ++$i) {
$arguments[] = $node->getChild('loop_variable_' . $i);
}
$compiler->add('$loopVariable) {')->indent()->indented('list')->compileArgumentList($arguments)->add(' = $loopVariable;');
}
$compiler->compileNode($node->getChild('loop_body'))->outdent()->indented('}');
if ($node->hasChild('else')) {
//bracket opened after if-empty check
$compiler->outdent()->indented('}');
}
}
public function compile(Compiler $compiler, TagNode $node)
{
$compiler->indented('switch(')->compileNode($node->getData('tested'))->add(')')->add(' {')->indent();
foreach ($node->getChildren() as $branch) {
if (!$branch->hasChild('condition')) {
$compiler->indented('default:');
} else {
$compiler->indented('case ')->compileNode($branch->getChild('condition'))->add(':');
}
$compiler->indent()->compileNode($branch->getChild('body'))->indented('break;')->outdent();
}
$compiler->outdent()->indented('}');
}
private function compileBlock(Compiler $compiler, $method, RootNode $body)
{
$compiler->indented('public function %s(Context $context)', $method);
$compiler->indented('{');
$compiler->indent();
if (!$body->hasData('environment_accessed') || $body->getData('environment_accessed')) {
$compiler->indented('$environment = $this->getEnvironment();');
}
$compiler->compileNode($body);
$compiler->outdent();
$compiler->indented("}\n");
}