PhabricatorXHPASTViewTreeController.php
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	<?php

	final class PhabricatorXHPASTViewTreeController
	extends PhabricatorXHPASTViewPanelController {

	public function shouldAllowPublic() {
	return true;
	}

	public function handleRequest(AphrontRequest $request) {
	$storage = $this->getStorageTree();
	$input = $storage->getInput();
	$err = $storage->getReturnCode();
	$stdout = $storage->getStdout();
	$stderr = $storage->getStderr();

	try {
	$tree = XHPASTTree::newFromDataAndResolvedExecFuture(
	$input,
	array($err, $stdout, $stderr));
	} catch (XHPASTSyntaxErrorException $ex) {
	return $this->buildXHPASTViewPanelResponse($ex->getMessage());
	}

	$tree = phutil_tag('ul', array(), $this->buildTree($tree->getRootNode()));
	return $this->buildXHPASTViewPanelResponse($tree);
	}

	protected function buildTree($root) {
	try {
	$name = $root->getTypeName();
	$title = pht('Node %d: %s', $root->getID(), $name);
	} catch (Exception $ex) {
	$name = '???';
	$title = '???';
	}

	$tree = array();
	$tree[] = phutil_tag(
	'li',
	array(),
	phutil_tag(
	'span',
	array(
	'title' => $title,
	),
	$name));
	foreach ($root->getChildren() as $child) {
	$tree[] = phutil_tag('ul', array(), $this->buildTree($child));
	}
	return phutil_implode_html("\n", $tree);
	}

	}