From 09f76e712f427c8e47c2477f3b46dc963057f603 Mon Sep 17 00:00:00 2001
From: filesite <release@filesite.io>
Date: Fri, 8 Apr 2022 23:14:36 +0800
Subject: [PATCH] Markdown titles get function improved

---
 lib/DirScanner.php        | 31 ++++++++++++++++++++++---------
 www/content/Nginx.conf.md |  1 -
 www/css/manual.css        |  5 +++--
 3 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/lib/DirScanner.php b/lib/DirScanner.php
index d397288..36a766d 100644
--- a/lib/DirScanner.php
+++ b/lib/DirScanner.php
@@ -562,16 +562,29 @@ Class DirScanner {
         if (empty($this->scanResults[$id])) {return [];}
         $file = $this->scanResults[$id];
 
+        $content = @file_get_contents($file['realpath']);
+        if (empty($content)) {return [];}
+
+        # standardize line breaks
+        $content = str_replace(array("\r\n", "\r"), "\n", $content);
+        # remove surrounding line breaks
+        $content = trim($content, "\n");
+        # split text into lines
+        $lines = explode("\n", $content);
+
         $titles = [];
-        $content = file_get_contents($file['realpath']);
-        preg_match_all('/#(.+)/u', $content, $matches);
-        if (!empty($matches[1])) {
-            foreach($matches[1] as $title) {
-                $num = substr_count($title, '#');
-                $titles[] = [
-                    'name' => trim(str_replace('#', '', $title)),
-                    'heading' => 'h' . ($num+1),
-                ];
+        if (!empty($lines)) {
+            foreach($lines as $line) {
+                preg_match_all('/^#(.+)/u', $line, $matches);
+                if (!empty($matches[1])) {
+                    foreach($matches[1] as $title) {
+                        $num = substr_count($title, '#');
+                        $titles[] = [
+                            'name' => trim(str_replace('#', '', $title)),
+                            'heading' => 'h' . ($num+1),
+                        ];
+                    }
+                }
             }
         }
 
diff --git a/www/content/Nginx.conf.md b/www/content/Nginx.conf.md
index 01740e2..8424ada 100644
--- a/www/content/Nginx.conf.md
+++ b/www/content/Nginx.conf.md
@@ -25,7 +25,6 @@ Nginx config:
         }
 
         # deny all other php
-        #
         location ~ \.php {
             deny  all;
         }
diff --git a/www/css/manual.css b/www/css/manual.css
index 9b1845e..5c1a26b 100644
--- a/www/css/manual.css
+++ b/www/css/manual.css
@@ -13,7 +13,8 @@
 .indexes h6{font-size:0.8em}
 .indexes a{background-color:transparent;color:#0969da;text-decoration:none}
 @media (max-width: 640px) {
-    .indexes{position:static;width:auto;padding-bottom:0.5em;margin-bottom:0.5em;border-bottom:1px solid hsla(210,18%,87%,1)}
-    .indexes h1{display:block;padding-left:0;padding-bottom:0.3em;text-align:center;font-size:2em;border-bottom:1px solid hsla(210,18%,87%,1)}
+    .indexes{position:static;width:auto;padding-bottom:0.5em;margin-bottom:0.5em}
+    .indexes h1{display:block;padding-left:0;padding-bottom:0.3em;text-align:center;font-size:2em}
     .content{margin-left:0;}
+    .content h1{display:none}
 }
\ No newline at end of file