From eae1c8a181fbaf926054e442a2da33d5ee90412a Mon Sep 17 00:00:00 2001
From: Michal Niewrzal <michal.n@zend.com>
Date: Thu, 17 Nov 2016 12:53:52 +0100
Subject: [PATCH] Formatting makes LS non-responsive #144

---
 composer.json     |  2 +-
 src/Formatter.php | 30 +++++++++++++++++++++++++-----
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/composer.json b/composer.json
index 2afb468..da8cabf 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
         "phpdocumentor/reflection-docblock": "^3.0",
         "sabre/event": "^5.0",
         "felixfbecker/advanced-json-rpc": "^2.0",
-        "squizlabs/php_codesniffer" : "^2.7",
+		"squizlabs/php_codesniffer" : "3.0.0RC1",
         "symfony/debug": "^3.1",
         "netresearch/jsonmapper": "^1.0",
         "webmozart/path-util": "^2.3",
diff --git a/src/Formatter.php b/src/Formatter.php
index 37e3f4c..c0c0395 100644
--- a/src/Formatter.php
+++ b/src/Formatter.php
@@ -8,11 +8,17 @@ use LanguageServer\Protocol\ {
     Range,
     Position
 };
-use PHP_CodeSniffer;
 use Exception;
+use PHP_CodeSniffer\ {
+    Config,
+    Ruleset,
+    Files\DummyFile,
+    Util\Tokens
+};
 
 abstract class Formatter
 {
+
     /**
      * Generate array of TextEdit changes for content formatting.
      *
@@ -24,10 +30,24 @@ abstract class Formatter
      */
     public static function format(string $content, string $uri)
     {
+        if (defined('PHP_CODESNIFFER_CBF') === false) {
+            define('PHP_CODESNIFFER_CBF', true);
+        }
+
+        if (defined('PHP_CODESNIFFER_VERBOSITY') === false) {
+            define('PHP_CODESNIFFER_VERBOSITY', false);
+        }
+
         $path = uriToPath($uri);
-        $cs = new PHP_CodeSniffer();
-        $cs->initStandard(self::findConfiguration($path));
-        $file = $cs->processFile(null, $content);
+        $config = new Config(['dummy'], false);
+        $config->standards = self::findConfiguration($path);
+
+        // Create this class so it is autoloaded and sets up a bunch
+        // of PHP_CodeSniffer-specific token type constants.
+        new Tokens();
+
+        $file = new DummyFile($content, new Ruleset($config), $config);
+        $file->process();
         $fixed = $file->fixer->fixFile();
         if (!$fixed && $file->getErrorCount() > 0) {
             throw new Exception('Unable to format file');
@@ -82,7 +102,7 @@ abstract class Formatter
             $currentDir = dirname($currentDir);
         } while ($currentDir !== '.' && $currentDir !== $lastDir);
 
-        $standard = PHP_CodeSniffer::getConfigData('default_standard') ?? 'PSR2';
+        $standard = Config::getConfigData('default_standard') ?? 'PSR2';
         return explode(',', $standard);
     }
 }