Integrate latest protocol changes

* workspace/glob becomes workspace/files
* return type of textDocument/files is now TextDocumentItem

src/Client/TextDocument.php

@@ -4,7 +4,7 @@ declare(strict_types = 1);
 namespace LanguageServer\Client;
 
 use LanguageServer\ClientHandler;
-use LanguageServer\Protocol\{Message, Content, TextDocumentIdentifier};
+use LanguageServer\Protocol\{Message, TextDocumentItem, TextDocumentIdentifier};
 use Sabre\Event\Promise;
 use JsonMapper;
 
@@ -57,7 +57,7 @@ class TextDocument
             'textDocument/xcontent',
             ['textDocument' => $textDocument]
         )->then(function ($result) {
-            return $this->mapper->map($result, new Content);
+            return $this->mapper->map($result, new TextDocumentItem);
         });
     }
 }

src/LanguageServer.php

@@ -173,7 +173,7 @@ class LanguageServer extends AdvancedJsonRpc\Dispatcher
     private function indexProject(): Promise
     {
         return coroutine(function () {
-            $textDocuments = yield $this->globWorkspace(['**/*.php']);
+            $textDocuments = yield $this->findPhpFiles();
             $count = count($textDocuments);
 
             $startTime = microtime(true);
@@ -207,31 +207,27 @@ class LanguageServer extends AdvancedJsonRpc\Dispatcher
     }
 
     /**
-     * Returns all files matching a glob pattern.
-     * If the client does not support workspace/xglob, it falls back to globbing the file system directly.
+     * Returns all PHP files in the workspace.
+     * If the client does not support workspace/files, it falls back to searching the file system directly.
      *
-     * @param string $patterns
      * @return Promise <TextDocumentIdentifier[]>
      */
-    private function globWorkspace(array $patterns): Promise
+    private function findPhpFiles(): Promise
     {
-        if ($this->clientCapabilities->xglobProvider) {
-            // Use xglob request
-            return $this->client->workspace->xglob($patterns);
+        return coroutine(function () {
+            if ($this->clientCapabilities->xfilesProvider) {
+                // Use xfiles request
+                return yield $this->client->workspace->xfiles($patterns);
             } else {
                 // Use the file system
                 $textDocuments = [];
-            return Promise\all(array_map(function ($pattern) use (&$textDocuments) {
-                return coroutine(function () use ($pattern, &$textDocuments) {
-                    $pattern = Path::makeAbsolute($pattern, $this->rootPath);
+                $pattern = Path::makeAbsolute('**/*.php', $this->rootPath);
                 foreach (new GlobIterator($pattern) as $path) {
                     $textDocuments[] = new TextDocumentIdentifier(pathToUri($path));
                     yield timeout();
                 }
-                });
-            }, $patterns))->then(function () use (&$textDocuments) {
                 return $textDocuments;
-            });
             }
+        });
     }
 }

src/Protocol/ClientCapabilities.php

@@ -5,11 +5,11 @@ namespace LanguageServer\Protocol;
 class ClientCapabilities
 {
     /**
-     * The client supports workspace/xglob requests
+     * The client supports workspace/xfiles requests
      *
      * @var bool|null
      */
-    public $xglobProvider;
+    public $xfilesProvider;
 
     /**
      * The client supports textDocument/xcontent requests

src/Protocol/Content.php

@@ -1,21 +0,0 @@
-<?php
-
-namespace LanguageServer\Protocol;
-
-class Content
-{
-    /**
-     * The content of the text document
-     *
-     * @var string
-     */
-    public $text;
-
-    /**
-     * @param string $text The content of the text document
-     */
-    public function __construct(string $text = null)
-    {
-        $this->text = $text;
-    }
-}