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psalm/src/Psalm/Internal/Provider/FileStorageProvider.php

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<?php
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namespace Psalm\Internal\Provider;
use Psalm\Storage\FileStorage;
/**
* @internal
*/
class FileStorageProvider
{
/**
* A list of data useful to analyse files
* Storing this statically is much faster (at least in PHP 7.2.1)
*
* @var array<string, FileStorage>
*/
private static $storage = [];
/**
* A list of data useful to analyse new files
* Storing this statically is much faster (at least in PHP 7.2.1)
*
* @var array<string, FileStorage>
*/
private static $new_storage = [];
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/**
* @var ?FileStorageCacheProvider
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*/
public $cache;
public function __construct(FileStorageCacheProvider $cache = null)
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{
$this->cache = $cache;
}
/**
* @param string $file_path
*
* @return FileStorage
*/
public function get($file_path)
{
$file_path = strtolower($file_path);
if (!isset(self::$storage[$file_path])) {
throw new \InvalidArgumentException('Could not get file storage for ' . $file_path);
}
return self::$storage[$file_path];
}
/**
* @param string $file_path
*
* @return void
*/
public function remove($file_path)
{
unset(self::$storage[strtolower($file_path)]);
}
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/**
* @param string $file_path
* @param string $file_contents
*
* @return bool
*/
public function has($file_path, string $file_contents = null)
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{
$file_path = strtolower($file_path);
if (isset(self::$storage[$file_path])) {
return true;
}
if ($file_contents === null) {
return false;
}
if (!$this->cache) {
return false;
}
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$cached_value = $this->cache->getLatestFromCache($file_path, $file_contents);
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if (!$cached_value) {
return false;
}
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self::$storage[$file_path] = $cached_value;
self::$new_storage[$file_path] = $cached_value;
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return true;
}
/**
* @return array<string, FileStorage>
*/
public function getAll()
{
return self::$storage;
}
/**
* @return array<string, FileStorage>
*/
public function getNew()
{
return self::$new_storage;
}
/**
* @param array<string, FileStorage> $more
* @return void
*/
public function addMore(array $more)
{
self::$new_storage = array_merge(self::$new_storage, $more);
self::$storage = array_merge(self::$storage, $more);
}
/**
* @param string $file_path
*
* @return FileStorage
*/
public function create($file_path)
{
$file_path_lc = strtolower($file_path);
$storage = new FileStorage($file_path);
self::$storage[$file_path_lc] = $storage;
self::$new_storage[$file_path_lc] = $storage;
return $storage;
}
/**
* @return void
*/
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public static function deleteAll()
{
self::$storage = [];
}
/**
* @return void
*/
public static function populated()
{
self::$new_storage = [];
}
}