From 1cc30665697805ab49f8aac901bb898b78284e80 Mon Sep 17 00:00:00 2001
From: joyqi <joyqi@segmentfault.com>
Date: Tue, 24 Nov 2020 16:06:06 +0800
Subject: [PATCH] fix #1030

---
 var/HyperDown.php | 38 ++++++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 14 deletions(-)

diff --git a/var/HyperDown.php b/var/HyperDown.php
index 1bb8ed8b..1ad3aee9 100644
--- a/var/HyperDown.php
+++ b/var/HyperDown.php
@@ -265,7 +265,7 @@ class HyperDown
             $result = $this->call('after' . ucfirst($method), $result, $value);
 
             $html .= $result;
-        } 
+        }
 
         return $html;
     }
@@ -378,17 +378,27 @@ class HyperDown
     public function parseInline($text, $whiteList = '', $clearHolders = true, $enableAutoLink = true)
     {
         $self = $this;
-        $text = $this->call('beforeParseInline', $text); 
+        $text = $this->call('beforeParseInline', $text);
+
+        // 处理``之外的\字符
+        preg_match_all('/`.+?`/', $text, $matches);
+        $delimiters = $matches[0];
+        $lineTextArray = preg_split('/`.+?`/', $text);
+        $lineTextArray = array_map(function ($str) {
+            return preg_replace_callback("/\\\+/", function ($matches) {
+                $str = $matches[0];
+                if (mb_strlen($str) % 2 > 0) {
+                    return $str . '\\';
+                } else {
+                    return $str;
+                }
+            }, $str);
+        }, $lineTextArray);
+        $text = '';
+        do {
+            $text .= array_shift($lineTextArray) . array_shift($delimiters);
+        } while ($lineTextArray);
 
-        $text = preg_replace_callback("/\\\+/",function($matches) {
-            $str = $matches[0];
-            if(mb_strlen($str) % 2>0) {
-                return $str . '\\';
-            } else {
-                return $str;
-            }
-        },$text);
-        
         // code
         $text = preg_replace_callback(
             "/(^|[^\\\])(`+)(.+?)\\2/",
@@ -532,7 +542,7 @@ class HyperDown
                 return $self->makeHolder($result);
             },
             $text
-        ); 
+        );
 
         // strong and em and some fuck
         $text = $this->parseInlineCallback($text);
@@ -656,7 +666,7 @@ class HyperDown
         $this->_blocks = array();
         $this->_current = 'normal';
         $this->_pos = -1;
-        
+
         $state = array(
             'special'   =>  implode("|", array_keys($this->_specialWhiteList)),
             'empty'     =>  0,
@@ -1414,7 +1424,7 @@ class HyperDown
 
                 if (preg_match("/^(\s*)/", $line, $matches)) {
                     $space = strlen($matches[1]);
-                    
+
                     if ($space > 0) {
                         $secondMinSpace = min($space, $secondMinSpace);
                         $secondFound = true;