From 48c031ecd1fb646c7b498c0ca860a459278f05af Mon Sep 17 00:00:00 2001
From: litefeel <litefeel@gmail.com>
Date: Mon, 6 Apr 2020 18:30:19 +0800
Subject: [PATCH] Fixed the url of files in the images directory

---
 writing-on-github.php | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/writing-on-github.php b/writing-on-github.php
index 8cef207..cf16ca8 100644
--- a/writing-on-github.php
+++ b/writing-on-github.php
@@ -179,21 +179,28 @@ public function ignore_post_meta($meta) {
     public function the_content($content) {
         $arr = wp_upload_dir();
         $baseurl = $arr['baseurl'] . '/writing-on-github';
+        $basedir = $arr['basedir'] . '/writing-on-github';
 
         $content = preg_replace_callback(
-            '/(<img [^>]*?src=[\'"])\s*(\/images\/[^\s#]\S+)\s*([\'"][^>]*?>)/',
-            function($matchs) use ($baseurl) {
-                $url = $baseurl . $matchs[2];
-                return "${matchs[1]}$url${matchs[3]}";
+            '/(<img [^>]*?src=[\'"])\S*?(\/images\/\S+)([\'"].*?>)/',
+            function($matchs) use ($baseurl, $basedir) {
+                if (is_file($basedir . $matchs[2])) {
+                    $url = $baseurl . $matchs[2];
+                    return "${matchs[1]}$url${matchs[3]}";
+                }
+                return "${matchs[0]}";
             },
             $content
         );
 
         $content = preg_replace_callback(
-            '/(<a [^>]*?href=[\'"])\s*(\/images\/[^\s#]\S+)\s*([\'"][^>]*?>)/',
-            function($matchs) use ($baseurl) {
-                $url = $baseurl . $matchs[2];
-                return "${matchs[1]}$url${matchs[3]}";
+            '/(<a [^>]*?href=[\'"])\S*?(\/images\/S+)\s*([\'"].*?>)/',
+            function($matchs) use ($baseurl, $basedir) {
+                if (is_file($basedir . $matchs[2])) {
+                    $url = $baseurl . $matchs[2];
+                    return "${matchs[1]}$url${matchs[3]}";
+                }
+                return "${matchs[0]}";
             },
             $content
         );