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[Debug] Enhance DebugClassLoader performance on MacOSX

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This commit is contained in:
Nicolas Grekas 2015-08-03 21:57:20 +02:00
parent e23eb56ffe
commit af0b8eb26c
1 changed files with 58 additions and 17 deletions
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75
src/Symfony/Component/Debug/DebugClassLoader.php
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@ -32,6 +32,7 @@ class DebugClassLoader
private static $caseCheck;
private static $deprecated = array();
private static $php7Reserved = array('int', 'float', 'bool', 'string', 'true', 'false', 'null');
private static $darwinCache = array('/' => array('/', array()));
/**
* Constructor.
@ -220,33 +221,73 @@ class DebugClassLoader
throw new \RuntimeException(sprintf('The autoloader expected class "%s" to be defined in file "%s". The file was found but the class was not in it, the class name or namespace probably has a typo.', $class, $file));
}
if (self::$caseCheck && preg_match('#([/\\\\][a-zA-Z_\x7F-\xFF][a-zA-Z0-9_\x7F-\xFF]*)+\.(php|hh)$#D', $file, $tail)) {
if (self::$caseCheck && preg_match('#(?:[/\\\\][a-zA-Z_\x7F-\xFF][a-zA-Z0-9_\x7F-\xFF]*+)++\.(?:php|hh)$#D', $file, $tail)) {
$tail = $tail[0];
$tailLen = strlen($tail);
$real = $refl->getFileName();
if (2 === self::$caseCheck) {
// realpath() on MacOSX doesn't normalize the case of characters
$cwd = getcwd();
$basename = strrpos($real, '/');
chdir(substr($real, 0, $basename));
$basename = substr($real, $basename + 1);
// glob() patterns are case-sensitive even if the underlying fs is not
if (!in_array($basename, glob($basename.'*', GLOB_NOSORT), true)) {
$real = getcwd().'/';
$h = opendir('.');
while (false !== $f = readdir($h)) {
if (0 === strcasecmp($f, $basename)) {
$real .= $f;
break;
$i = 1 + strrpos($real, '/');
$file = substr($real, $i);
$real = substr($real, 0, $i);
if (isset(self::$darwinCache[$real])) {
$kDir = $real;
} else {
$kDir = strtolower($real);
if (isset(self::$darwinCache[$kDir])) {
$real = self::$darwinCache[$kDir][0];
} else {
$dir = getcwd();
chdir($real);
$real = getcwd().'/';
chdir($dir);
$dir = $real;
$k = $kDir;
$i = strlen($dir) - 1;
while (!isset(self::$darwinCache[$k])) {
self::$darwinCache[$k] = array($dir, array());
self::$darwinCache[$dir] = &self::$darwinCache[$k];
while ('/' !== $dir[--$i]) {
}
$k = substr($k, 0, ++$i);
$dir = substr($dir, 0, $i--);
}
}
closedir($h);
}
chdir($cwd);
$dirFiles = self::$darwinCache[$kDir][1];
if (isset($dirFiles[$file])) {
$kFile = $file;
} else {
$kFile = strtolower($file);
if (!isset($dirFiles[$kFile])) {
foreach (scandir($real, 2) as $f) {
if ('.' !== $f[0]) {
$dirFiles[$f] = $f;
if ($f === $file) {
$kFile = $k = $file;
} elseif ($f !== $k = strtolower($f)) {
$dirFiles[$k] = $f;
}
}
}
self::$darwinCache[$kDir][1] = $dirFiles;
}
}
$real .= $dirFiles[$kFile];
}
if (0 === substr_compare($real, $tail, -strlen($tail), strlen($tail), true)
&& 0 !== substr_compare($real, $tail, -strlen($tail), strlen($tail), false)
if (0 === substr_compare($real, $tail, -$tailLen, $tailLen, true)
&& 0 !== substr_compare($real, $tail, -$tailLen, $tailLen, false)
) {
throw new \RuntimeException(sprintf('Case mismatch between class and source file names: %s vs %s', $class, $real));
}