added classloader and console symfony components.
This commit is contained in:
Taylor Otwell
222
vendor/Symfony/Component/ClassLoader/ClassCollectionLoader.php
vendored
Normal file
222
vendor/Symfony/Component/ClassLoader/ClassCollectionLoader.php
vendored
Normal file
@@ -0,0 +1,222 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
* This file is part of the Symfony package.
|
||||
*
|
||||
* (c) Fabien Potencier <fabien@symfony.com>
|
||||
*
|
||||
* For the full copyright and license information, please view the LICENSE
|
||||
* file that was distributed with this source code.
|
||||
*/
|
||||
|
||||
namespace Symfony\Component\ClassLoader;
|
||||
|
||||
/**
|
||||
* ClassCollectionLoader.
|
||||
*
|
||||
* @author Fabien Potencier <fabien@symfony.com>
|
||||
*/
|
||||
class ClassCollectionLoader
|
||||
{
|
||||
static private $loaded;
|
||||
|
||||
/**
|
||||
* Loads a list of classes and caches them in one big file.
|
||||
*
|
||||
* @param array $classes An array of classes to load
|
||||
* @param string $cacheDir A cache directory
|
||||
* @param string $name The cache name prefix
|
||||
* @param Boolean $autoReload Whether to flush the cache when the cache is stale or not
|
||||
* @param Boolean $adaptive Whether to remove already declared classes or not
|
||||
* @param string $extension File extension of the resulting file
|
||||
*
|
||||
* @throws \InvalidArgumentException When class can't be loaded
|
||||
*/
|
||||
static public function load($classes, $cacheDir, $name, $autoReload, $adaptive = false, $extension = '.php')
|
||||
{
|
||||
// each $name can only be loaded once per PHP process
|
||||
if (isset(self::$loaded[$name])) {
|
||||
return;
|
||||
}
|
||||
|
||||
self::$loaded[$name] = true;
|
||||
|
||||
if ($adaptive) {
|
||||
// don't include already declared classes
|
||||
$classes = array_diff($classes, get_declared_classes(), get_declared_interfaces());
|
||||
|
||||
// the cache is different depending on which classes are already declared
|
||||
$name = $name.'-'.substr(md5(implode('|', $classes)), 0, 5);
|
||||
}
|
||||
|
||||
$cache = $cacheDir.'/'.$name.$extension;
|
||||
|
||||
// auto-reload
|
||||
$reload = false;
|
||||
if ($autoReload) {
|
||||
$metadata = $cacheDir.'/'.$name.$extension.'.meta';
|
||||
if (!is_file($metadata) || !is_file($cache)) {
|
||||
$reload = true;
|
||||
} else {
|
||||
$time = filemtime($cache);
|
||||
$meta = unserialize(file_get_contents($metadata));
|
||||
|
||||
if ($meta[1] != $classes) {
|
||||
$reload = true;
|
||||
} else {
|
||||
foreach ($meta[0] as $resource) {
|
||||
if (!is_file($resource) || filemtime($resource) > $time) {
|
||||
$reload = true;
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!$reload && is_file($cache)) {
|
||||
require_once $cache;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
$files = array();
|
||||
$content = '';
|
||||
foreach ($classes as $class) {
|
||||
if (!class_exists($class) && !interface_exists($class) && (!function_exists('trait_exists') || !trait_exists($class))) {
|
||||
throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
|
||||
}
|
||||
|
||||
$r = new \ReflectionClass($class);
|
||||
$files[] = $r->getFileName();
|
||||
|
||||
$c = preg_replace(array('/^\s*<\?php/', '/\?>\s*$/'), '', file_get_contents($r->getFileName()));
|
||||
|
||||
// add namespace declaration for global code
|
||||
if (!$r->inNamespace()) {
|
||||
$c = "\nnamespace\n{\n".self::stripComments($c)."\n}\n";
|
||||
} else {
|
||||
$c = self::fixNamespaceDeclarations('<?php '.$c);
|
||||
$c = preg_replace('/^\s*<\?php/', '', $c);
|
||||
}
|
||||
|
||||
$content .= $c;
|
||||
}
|
||||
|
||||
// cache the core classes
|
||||
if (!is_dir(dirname($cache))) {
|
||||
mkdir(dirname($cache), 0777, true);
|
||||
}
|
||||
self::writeCacheFile($cache, '<?php '.$content);
|
||||
|
||||
if ($autoReload) {
|
||||
// save the resources
|
||||
self::writeCacheFile($metadata, serialize(array($files, $classes)));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds brackets around each namespace if it's not already the case.
|
||||
*
|
||||
* @param string $source Namespace string
|
||||
*
|
||||
* @return string Namespaces with brackets
|
||||
*/
|
||||
static public function fixNamespaceDeclarations($source)
|
||||
{
|
||||
if (!function_exists('token_get_all')) {
|
||||
return $source;
|
||||
}
|
||||
|
||||
$output = '';
|
||||
$inNamespace = false;
|
||||
$tokens = token_get_all($source);
|
||||
|
||||
for ($i = 0, $max = count($tokens); $i < $max; $i++) {
|
||||
$token = $tokens[$i];
|
||||
if (is_string($token)) {
|
||||
$output .= $token;
|
||||
} elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
|
||||
// strip comments
|
||||
continue;
|
||||
} elseif (T_NAMESPACE === $token[0]) {
|
||||
if ($inNamespace) {
|
||||
$output .= "}\n";
|
||||
}
|
||||
$output .= $token[1];
|
||||
|
||||
// namespace name and whitespaces
|
||||
while (($t = $tokens[++$i]) && is_array($t) && in_array($t[0], array(T_WHITESPACE, T_NS_SEPARATOR, T_STRING))) {
|
||||
$output .= $t[1];
|
||||
}
|
||||
if (is_string($t) && '{' === $t) {
|
||||
$inNamespace = false;
|
||||
--$i;
|
||||
} else {
|
||||
$output .= "\n{";
|
||||
$inNamespace = true;
|
||||
}
|
||||
} else {
|
||||
$output .= $token[1];
|
||||
}
|
||||
}
|
||||
|
||||
if ($inNamespace) {
|
||||
$output .= "}\n";
|
||||
}
|
||||
|
||||
return $output;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a cache file.
|
||||
*
|
||||
* @param string $file Filename
|
||||
* @param string $content Temporary file content
|
||||
*
|
||||
* @throws \RuntimeException when a cache file cannot be written
|
||||
*/
|
||||
static private function writeCacheFile($file, $content)
|
||||
{
|
||||
$tmpFile = tempnam(dirname($file), basename($file));
|
||||
if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
|
||||
chmod($file, 0644);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $file));
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes comments from a PHP source string.
|
||||
*
|
||||
* We don't use the PHP php_strip_whitespace() function
|
||||
* as we want the content to be readable and well-formatted.
|
||||
*
|
||||
* @param string $source A PHP string
|
||||
*
|
||||
* @return string The PHP string with the comments removed
|
||||
*/
|
||||
static private function stripComments($source)
|
||||
{
|
||||
if (!function_exists('token_get_all')) {
|
||||
return $source;
|
||||
}
|
||||
|
||||
$output = '';
|
||||
foreach (token_get_all($source) as $token) {
|
||||
if (is_string($token)) {
|
||||
$output .= $token;
|
||||
} elseif (!in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
|
||||
$output .= $token[1];
|
||||
}
|
||||
}
|
||||
|
||||
// replace multiple new lines with a single newline
|
||||
$output = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $output);
|
||||
|
||||
return $output;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user