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Optionally cache statments

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This commit is contained in:
Matthew Brown 2016-01-07 22:52:26 -05:00
parent 018adbf2ae
commit 63674c02bf
1 changed files with 42 additions and 5 deletions
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47
lib/FileChecker.php
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@ -12,6 +12,7 @@ class FileChecker
protected $_namespace;
protected $_aliased_classes = [];
protected static $_cache_dir = null;
protected static $_file_checkers = [];
public function __construct($file_name)
@ -21,11 +22,7 @@ class FileChecker
public function check($check_classes = true)
{
$contents = file_get_contents($this->_file_name);
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
$stmts = $parser->parse($contents);
$stmts = self::_getStatments($this->_file_name);
foreach ($stmts as $stmt) {
if ($stmt instanceof PhpParser\Node\Stmt\Class_) {
@ -44,6 +41,8 @@ class FileChecker
}
self::$_file_checkers[$this->_file_name] = $this;
return $stmts;
}
public function _checkNamespace(PhpParser\Node\Stmt\Namespace_ $namespace, $check_classes)
@ -88,4 +87,42 @@ class FileChecker
$file_checker->check(false);
return $file_checker->getAbsoluteClass($class);
}
protected static function _getStatments($file_name)
{
$contents = file_get_contents($file_name);
$stmts = [];
if (self::$_cache_dir) {
$key = md5($contents);
$cache_location = self::$_cache_dir . '/' . $key;
if (is_readable($cache_location)) {
$stmts = unserialize(file_get_contents($cache_location));
}
}
if (!$stmts) {
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
$stmts = $parser->parse($contents);
}
if (self::$_cache_dir) {
if (!file_exists(self::$_cache_dir)) {
mkdir(self::$_cache_dir);
}
file_put_contents($cache_location, serialize($stmts));
}
return $stmts;
}
public static function setCacheDir($cache_dir)
{
self::$_cache_dir = $cache_dir;
}
}