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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_File
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/**
* Locate files containing PHP classes, interfaces, or abstracts
*
* @package Zend_File
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license New BSD {@link http://framework.zend.com/license/new-bsd}
*/
class Zend_File_ClassFileLocator extends FilterIterator
{
/**
* Create an instance of the locator iterator
*
* Expects either a directory, or a DirectoryIterator (or its recursive variant)
* instance.
*
* @param string|DirectoryIterator $dirOrIterator
*/
public function __construct($dirOrIterator = '.')
{
if (is_string($dirOrIterator)) {
if (!is_dir($dirOrIterator)) {
throw new InvalidArgumentException('Expected a valid directory name');
}
$dirOrIterator = new RecursiveDirectoryIterator($dirOrIterator);
}
if (!$dirOrIterator instanceof DirectoryIterator) {
throw new InvalidArgumentException('Expected a DirectoryIterator');
}
if ($dirOrIterator instanceof RecursiveIterator) {
$iterator = new RecursiveIteratorIterator($dirOrIterator);
} else {
$iterator = $dirOrIterator;
}
parent::__construct($iterator);
$this->setInfoClass('Zend_File_PhpClassFile');
// Forward-compat with PHP 5.3
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
if (!defined('T_NAMESPACE')) {
define('T_NAMESPACE', 'namespace');
}
if (!defined('T_NS_SEPARATOR')) {
define('T_NS_SEPARATOR', '\\');
}
}
}
/**
* Filter for files containing PHP classes, interfaces, or abstracts
*
* @return bool
*/
public function accept()
{
$file = $this->getInnerIterator()->current();
// If we somehow have something other than an SplFileInfo object, just
// return false
if (!$file instanceof SplFileInfo) {
return false;
}
// If we have a directory, it's not a file, so return false
if (!$file->isFile()) {
return false;
}
// If not a PHP file, skip
if ($file->getBasename('.php') == $file->getBasename()) {
return false;
}
$contents = file_get_contents($file->getRealPath());
$tokens = token_get_all($contents);
$count = count($tokens);
$t_trait = defined('T_TRAIT') ? T_TRAIT : -1; // For preserve PHP 5.3 compatibility
for ($i = 0; $i < $count; $i++) {
$token = $tokens[$i];
if (!is_array($token)) {
// single character token found; skip
$i++;
continue;
}
switch ($token[0]) {
case T_NAMESPACE:
// Namespace found; grab it for later
$namespace = '';
for ($i++; $i < $count; $i++) {
$token = $tokens[$i];
if (is_string($token)) {
if (';' === $token) {
$saveNamespace = false;
break;
}
if ('{' === $token) {
$saveNamespace = true;
break;
}
continue;
}
list($type, $content, $line) = $token;
switch ($type) {
case T_STRING:
case T_NS_SEPARATOR:
$namespace .= $content;
break;
}
}
if ($saveNamespace) {
$savedNamespace = $namespace;
}
break;
case $t_trait:
case T_CLASS:
case T_INTERFACE:
// Abstract class, class, interface or trait found
// Get the classname
for ($i++; $i < $count; $i++) {
$token = $tokens[$i];
if (is_string($token)) {
continue;
}
list($type, $content, $line) = $token;
if (T_STRING == $type) {
// If a classname was found, set it in the object, and
// return boolean true (found)
if (!isset($namespace) || null === $namespace) {
if (isset($saveNamespace) && $saveNamespace) {
$namespace = $savedNamespace;
} else {
$namespace = null;
}
}
$class = (null === $namespace) ? $content : $namespace . '\\' . $content;
$file->addClass($class);
$namespace = null;
break;
}
}
break;
default:
break;
}
}
$classes = $file->getClasses();
if (!empty($classes)) {
return true;
}
// No class-type tokens found; return false
return false;
}
}
|
