From d433ae4ed0c4bce74b8b6b91c7d426e56582b12d Mon Sep 17 00:00:00 2001
From: Ivan Bozhanov <git@vakata.com>
Date: Fri, 20 Jan 2017 17:33:04 +0200
Subject: [PATCH] Now works with unsaved files

---
 src/SignatureHelpProvider.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/SignatureHelpProvider.php b/src/SignatureHelpProvider.php
index 4fbb8f0..67336d4 100644
--- a/src/SignatureHelpProvider.php
+++ b/src/SignatureHelpProvider.php
@@ -60,7 +60,10 @@ class SignatureHelpProvider
         $help = new SignatureHelp;
         $help->signatures = [];
 
-        $handle = fopen($doc->getUri(), 'r');
+        $handle = fopen('php://temp', 'r+');
+        fwrite($handle, $doc->getContent());
+        fseek($handle, 0);
+
         $lines = [];
         for ($i = 0; $i < $pos->line; $i++) {
             $lines[] = strlen(fgets($handle));