From 6164d92173294dc5d60985d3dd13f1d1255af7bf Mon Sep 17 00:00:00 2001
From: joyqi <joyqi@segmentfault.com>
Date: Fri, 21 May 2021 11:52:13 +0800
Subject: [PATCH] Update hyperdown

---
 admin/js/hyperdown.js     |  2 +-
 admin/src/js/hyperdown.js | 33 +++++++++++++++++++++++----------
 var/HyperDown.php         | 31 ++++++++++++++++++++++++-------
 3 files changed, 48 insertions(+), 18 deletions(-)

diff --git a/admin/js/hyperdown.js b/admin/js/hyperdown.js
index 404c5233..f65167f4 100644
--- a/admin/js/hyperdown.js
+++ b/admin/js/hyperdown.js
@@ -1 +1 @@
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n,l;if(this.isBlock("list")&&!r.match(/^\s*\[((?:[^\]]|\\\]|\\\[)+?)\]:\s*(.+)$/)){if(r.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i))return!0;if(s.empty<=1&&(l=r.match(/^(\s*)\S+/))&&l[1].length>=t[3][0]+s.empty)return s.empty=0,this.setBlock(e),!1;if(r.match(/^\s*$/)&&0===s.empty)return s.empty+=1,this.setBlock(e),!1}return!(l=r.match(/^(\s*)((?:[0-9]+\.)|\-|\+|\*)\s+/i))||(n=l[1].length,r=l[0].length-n,l=(s.empty=0)<="+-*".indexOf(l[2])?"ul":"ol",!this.isBlock("list")||n<t[3][0]||n===t[3][0]&&l!==t[3][1]?this.startBlock("list",e,[n,l,r]):this.setBlock(e),!1)},e.prototype.parseBlockCode=function(t,e,r,s){var n;if(r=r.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i)){if(this.isBlock("code")){if(s.code!==r[2])return this.setBlock(e),!1;(n=t[3][2])?this.combineBlock().setBlock(e):this.setBlock(e).endBlock()}else n=!1,this.isBlock("list")&&(t=t[3][0],n=r[1].length>=t+s.empty),s.code=r[2],this.startBlock("code",e,[r[1],r[3],n]);return!1}return!this.isBlock("code")||(this.setBlock(e),!1)},e.prototype.parseBlockShtml=function(t,e,r,s){if(this.html){if(r.match(/^(\s*)!!!(\s*)$/))return this.isBlock("shtml")?this.setBlock(e).endBlock():this.startBlock("shtml",e),!1;if(this.isBlock("shtml"))return this.setBlock(e),!1}return!0},e.prototype.parseBlockAhtml=function(t,e,r,s){var n,l,i,o;if(this.html)if(o=new RegExp("^\\s*<("+this.blockHtmlTags+")(\\s+[^>]*)?>","i"),o=r.match(o)){if(this.isBlock("ahtml"))return this.setBlock(e),!1;if(void 0===o[2]||"/"!==o[2]){for(this.startBlock("ahtml",e),n=new RegExp("\\s*<("+this.blockHtmlTags+")(\\s+[^>]*)?>","ig");i=n.exec(r);)l=i[1];return 0<=r.indexOf("</"+l+">")?this.endBlock():s.html=l,!1}}else{if(s.html&&0<=r.indexOf("</"+s.html+">"))return this.setBlock(e).endBlock(),s.html=!1;if(this.isBlock("ahtml"))return this.setBlock(e),!1;if(o=r.match(/^\s*<!\-\-(.*?)\-\->\s*$/))return this.startBlock("ahtml",e).endBlock(),!1}return!0},e.prototype.parseBlockMath=function(t,e,r){return r.match(/^(\s*)\$\$(\s*)$/)?(this.isBlock("math")?this.setBlock(e).endBlock():this.startBlock("math",e),!1):!this.isBlock("math")||(this.setBlock(e),!1)},e.prototype.parseBlockPre=function(t,e,r,s){return r.match(/^ {4}/)?(this.isBlock("pre")?this.setBlock(e):this.startBlock("pre",e),!1):!this.isBlock("pre")||!r.match(/^\s*$/)||(this.setBlock(e),!1)},e.prototype.parseBlockHtml=function(t,e,r,s){var n,l;return(n=r.match(new RegExp("^\\s*<("+s.special+")(\\s+[^>]*)?>","i")))?(l=n[1].toLowerCase(),this.isBlock("html",l)||this.isBlock("pre")||this.startBlock("html",e,l),!1):(n=r.match(new RegExp("</("+s.special+")>\\s*$","i")))?(l=n[1].toLowerCase(),this.isBlock("html",l)&&this.setBlock(e).endBlock(),!1):!this.isBlock("html")||(this.setBlock(e),!1)},e.prototype.parseBlockFootnote=function(t,e,r){var s;return!(s=r.match(/^\[\^((?:[^\]]|\\\]|\\\[)+?)\]:/))||(r=s[0].length-1,this.startBlock("footnote",e,[r,s[1]]),!1)},e.prototype.parseBlockDefinition=function(t,e,r){return!(r=r.match(/^\s*\[((?:[^\]]|\\\]|\\\[)+?)\]:\s*(.+)$/))||(this.definitions[r[1]]=this.cleanUrl(r[2]),this.startBlock("definition",e).endBlock(),!1)},e.prototype.parseBlockQuote=function(t,e,r){return!(r=r.match(/^(\s*)>/))||(this.isBlock("list")&&0<r[1].length||this.isBlock("quote")?this.setBlock(e):this.startBlock("quote",e),!1)},e.prototype.parseBlockTable=function(t,e,r,s,n){var l,i,o,a,c,h;if(c=r.match(/^((?:(?:(?:\||\+)(?:[ :]*\-+[ :]*)(?:\||\+))|(?:(?:[ :]*\-+[ :]*)(?:\||\+)(?:[ :]*\-+[ :]*))|(?:(?:[ :]*\-+[ :]*)(?:\||\+))|(?:(?:\||\+)(?:[ :]*\-+[ :]*)))+)$/)){if(this.isBlock("table"))t[3][0].push(t[3][2]),t[3][2]+=1,this.setBlock(e,t[3]);else{for(r=0,null==t||"normal"!==t[0]||n[t[2]].match(/^\s*$/)?this.startBlock("table",e):(r=1,this.backBlock(1,"table")),"|"===c[1][0]&&(c[1]=c[1].substring(1),"|"===c[1][c[1].length-1]&&(c[1]=c[1].substring(0,c[1].length-1))),i=[],o=0,a=(h=c[1].split(/\+|\|/)).length;o<a;o++)l="none",(c=h[o].match(/^\s*(:?)\-+(:?)\s*$/))&&(c[1]&&c[2]?l="center":c[1]?l="left":c[2]&&(l="right")),i.push(l);this.setBlock(e,[[r],i,r+1])}return!1}return!0},e.prototype.parseBlockSh=function(t,e,r){return!(r=r.match(/^(#+)(.*)$/))||(r=Math.min(r[1].length,6),this.startBlock("sh",e,r).endBlock(),!1)},e.prototype.parseBlockMh=function(t,e,r,s,n){return!((r=r.match(/^\s*((=|-){2,})\s*$/))&&null!=t&&"normal"===t[0]&&!n[t[2]].match(/^\s*$/))||(this.isBlock("normal")?this.backBlock(1,"mh","="===r[1][0]?1:2).setBlock(e).endBlock():this.startBlock("normal",e),!1)},e.prototype.parseBlockShr=function(t,e,r){return!r.match(/^(\* *){3,}\s*$/)||(this.startBlock("hr",e).endBlock(),!1)},e.prototype.parseBlockDhr=function(t,e,r){return!r.match(/^(- *){3,}\s*$/)||(this.startBlock("hr",e).endBlock(),!1)},e.prototype.parseBlockDefault=function(t,e,r,s){return this.isBlock("footnote")?r.match(/^(\s*)/)[1].length>=t[3][0]?this.setBlock(e):this.startBlock("normal",e):this.isBlock("table")?0<=r.indexOf("|")?(t[3][2]+=1,this.setBlock(e,t[3])):this.startBlock("normal",e):this.isBlock("quote")?r.match(/^(\s*)$/)?this.startBlock("normal",e):this.setBlock(e):null==t||"normal"!==t[0]?this.startBlock("normal",e):this.setBlock(e),!0},e.prototype.optimizeBlocks=function(t,e){var r,s,n,l,i,o,a,c,h=t.slice(0),p=e.slice(0);for(h=this.call("beforeOptimizeBlocks",h,p),n=0;null!=h[n];)l=!1,r=h[n],o=null!=h[n-1]?h[n-1]:null,i=null!=h[n+1]?h[n+1]:null,c=r[0],s=r[1],a=r[2],"pre"===c&&p.slice(r[1],r[2]+1).reduce(function(t,e){return e.match(/^\s*$/)&&t},!0)&&(r[0]=c="normal"),"normal"===c&&(c=["list","quote"],s===a&&p[s].match(/^\s*$/)&&null!=o&&null!=i&&o[0]===i[0]&&0<=c.indexOf(o[0])&&("list"!==o[0]||o[3][0]===i[3][0]&&o[3][1]===i[3][1])&&(h[n-1]=[o[0],o[1],i[2],null!=o[3]?o[3]:null],h.splice(n,2),l=!0)),l||(n+=1);return this.call("afterOptimizeBlocks",h,p)},e.prototype.parseCode=function(t,e,r){var s,n,l,i=e[0],o=e[1];return o=$(o),s=i.length,o.match(/^[_a-z0-9-\+\#\:\.]+$/i)?1<(e=o.split(":")).length&&(o=e[0],l=e[1],o=$(o),l=$(l)):o=null,n=!0,t=t.slice(1,-1).map(function(t){return t=t.replace(new RegExp("^[ ]{"+s+"}"),""),n&&!t.match(/^\s*$/)&&(n=!1),d(t)}),r=this.markLines(t,r+1).join("\n"),n?"":"<pre><code"+(o?' class="'+o+'"':"")+(l?' rel="'+l+'"':"")+">"+r+"</code></pre>"},e.prototype.parsePre=function(t,e,r){return t=t.map(function(t){return d(t.substring(4))}),(r=this.markLines(t,r).join("\n")).match(/^\s*$/)?"":"<pre><code>"+r+"</code></pre>"},e.prototype.parseAhtml=function(t,e,r){return $(this.markLines(t,r).join("\n"))},e.prototype.parseShtml=function(t,e,r){return $(this.markLines(t.slice(1,-1),r+1).join("\n"))},e.prototype.parseMath=function(t,e,r,s){return"<p>"+this.markLine(r,s)+d(t.join("\n"))+"</p>"},e.prototype.parseSh=function(t,e,r,s){t=this.markLine(r,s)+this.parseInline($(t[0],"# "));return t.match(/^\s*$/)?"":"<h"+e+">"+t+"</h"+e+">"},e.prototype.parseMh=function(t,e,r,s){return this.parseSh(t,e,r,s)},e.prototype.parseQuote=function(t,e,r){return(t=(t=t.map(function(t){return t.replace(/^\s*> ?/,"")})).join("\n")).match(/^\s*$/)?"":"<blockquote>"+this.parse(t,!0,r)+"</blockquote>"},e.prototype.parseList=function(t,e,r){for(var s,n,l,i,o,a,c="",h=e[0],p=e[1],u=e[2],f=[],k="",m=0,d=s=0,g=t.length;s<g;d=++s)(o=(i=t[d]).match(new RegExp("^(\\s{"+h+"})((?:[0-9]+\\.?)|\\-|\\+|\\*)(\\s+)(.*)$")))?("ol"===p&&0===d&&1!==(r=parseInt(o[2]))&&(k=' start="'+r+'"'),f.push([o[4]]),m=f.length-1):f[m].push(i.replace(new RegExp("^\\s{"+(u+h)+"}"),""));for(n=0,l=f.length;n<l;n++)a=f[n],c+="<li>"+this.parse(a.join("\n"),!0,r)+"</li>",r+=a.length;return"<"+p+k+">"+c+"</"+p+">"},e.prototype.parseTable=function(t,e,r){for(var s,n,l,i,o,a,c,h,p,u,f,k=e[0],m=e[1],d=0<k.length&&0<k.reduce(function(t,e){return e+t}),g="<table>",B=!d||null,b=!1,y=n=0,v=t.length;n<v;y=++n)if(a=t[y],0<=k.indexOf(y))d&&b&&(B=!(d=!1));else{for(b=!0,"|"===(a=$(a))[0]&&"|"===(a=a.substring(1))[a.length-1]&&(a=a.substring(0,a.length-1)),s={},i=-1,l=0,o=(p=a.split("|").map(function(t){return t.match(/^\s*$/)?" ":$(t)})).length;l<o;l++)0<(h=p[l]).length?s[i+=1]=[null!=s[i]?s[i][0]+1:1,h]:null!=s[i]?s[i][0]+=1:s[0]=[1,h];for(y in d?g+="<thead>":B&&(g+="<tbody>"),g+="<tr",this.line&&(g+=' class="line" data-start="'+(r+y)+'" data-end="'+(r+y)+'" data-id="'+this.uniqid+'"'),g+=">",s)c=(u=s[y])[0],f=u[1],g+="<"+(u=d?"th":"td"),1<c&&(g+=' colspan="'+c+'"'),null!=m[y]&&"none"!==m[y]&&(g+=' align="'+m[y]+'"'),g+=">"+this.parseInline(f)+"</"+u+">";g+="</tr>",d?g+="</thead>":B=B&&!1}return null!==B&&(g+="</tbody>"),g+"</table>"},e.prototype.parseHr=function(t,e,r){return this.line?'<hr class="line" data-start="'+r+'" data-end="'+r+'">':"<hr>"},e.prototype.parseNormal=function(t,e,r){var s,n=0;return t=t.map((s=this,function(t){return(t=s.parseInline(t)).match(/^\s*$/)||(t=s.markLine(r+n)+t),n+=1,t})),(t=(t=(t=$(t.join("\n"))).replace(/(\n\s*){2,}/g,function(){return e=!1,"</p><p>"})).replace(/\n/g,"<br>")).match(/^\s*$/)?"":e?t:"<p>"+t+"</p>"},e.prototype.parseFootnote=function(t,e){e[0];var e=e[1],e=this.footnotes.indexOf(e);return 0<=e&&((t=t.slice(0))[0]=t[0].replace(/^\[\^((?:[^\]]|\]|\[)+?)\]:/,""),this.footnotes[e]=t),""},e.prototype.parseDefinition=function(){return""},e.prototype.parseHtml=function(t,e,r){var s;return t=t.map((s=this,function(t){return s.parseInline(t,null!=s.specialWhiteList[e]?s.specialWhiteList[e]:"")})),this.markLines(t,r).join("\n")},e.prototype.cleanUrl=function(t){var e;return(e=t.match(/^\s*((http|https|ftp|mailto):\S+)/i))||(e=t.match(/^\s*(\S+)/))?e[1]:"#"},e.prototype.escapeBracket=function(t){return g(["\\[","\\]","\\(","\\)"],["[","]","(",")"],t)},e.prototype.startBlock=function(t,e,r){return null==r&&(r=null),this.pos+=1,this.current=t,this.blocks.push([t,e,e,r]),this},e.prototype.endBlock=function(){return this.current="normal",this},e.prototype.isBlock=function(t,e){return null==e&&(e=null),this.current===t&&(null===e||this.blocks[this.pos][3]===e)},e.prototype.getBlock=function(){return null!=this.blocks[this.pos]?this.blocks[this.pos]:null},e.prototype.setBlock=function(t,e){return null==t&&(t=null),null==e&&(e=null),null!==t&&(this.blocks[this.pos][2]=t),null!==e&&(this.blocks[this.pos][3]=e),this},e.prototype.backBlock=function(t,e,r){var s;return null==r&&(r=null),this.pos<0?this.startBlock(e,0,r):(s=this.blocks[this.pos][2],this.blocks[this.pos][2]=s-t,r=[e,s-t+1,s,r],this.blocks[this.pos][1]<=this.blocks[this.pos][2]?(this.pos+=1,this.blocks.push(r)):this.blocks[this.pos]=r,this.current=e,this)},e.prototype.combineBlock=function(){var t,e;return this.pos<1||(e=this.blocks[this.pos-1].slice(0),t=this.blocks[this.pos].slice(0),e[2]=t[2],this.blocks[this.pos-1]=e,this.current=e[0],this.blocks=this.blocks.slice(0,-1),--this.pos),this},t=e,"undefined"!=typeof module&&null!==module?module.exports=t:"undefined"!=typeof window&&null!==window&&(window.HyperDown=t)}).call(this);
\ No newline at end of file
diff --git a/admin/src/js/hyperdown.js b/admin/src/js/hyperdown.js
index 58d9ffba..4c8873a2 100644
--- a/admin/src/js/hyperdown.js
+++ b/admin/src/js/hyperdown.js
@@ -516,7 +516,7 @@
     };
 
     Parser.prototype.parseBlockList = function(block, key, line, state) {
-      var matches, space, type;
+      var matches, space, tab, type;
       if ((this.isBlock('list')) && !line.match(/^\s*\[((?:[^\]]|\\\]|\\\[)+?)\]:\s*(.+)$/)) {
         if (!!(line.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i))) {
           return true;
@@ -532,16 +532,17 @@
       }
       if (!!(matches = line.match(/^(\s*)((?:[0-9]+\.)|\-|\+|\*)\s+/i))) {
         space = matches[1].length;
+        tab = matches[0].length - space;
         state.empty = 0;
         type = 0 <= '+-*'.indexOf(matches[2]) ? 'ul' : 'ol';
         if (this.isBlock('list')) {
           if (space < block[3][0] || (space === block[3][0] && type !== block[3][1])) {
-            this.startBlock('list', key, [space, type]);
+            this.startBlock('list', key, [space, type, tab]);
           } else {
             this.setBlock(key);
           }
         } else {
-          this.startBlock('list', key, [space, type]);
+          this.startBlock('list', key, [space, type, tab]);
         }
         return false;
       }
@@ -552,6 +553,10 @@
       var isAfterList, matches, space;
       if (!!(matches = line.match(/^(\s*)(~{3,}|`{3,})([^`~]*)$/i))) {
         if (this.isBlock('code')) {
+          if (state.code !== matches[2]) {
+            this.setBlock(key);
+            return false;
+          }
           isAfterList = block[3][2];
           if (isAfterList) {
             this.combineBlock().setBlock(key);
@@ -564,6 +569,7 @@
             space = block[3][0];
             isAfterList = matches[1].length >= space + state.empty;
           }
+          state.code = matches[2];
           this.startBlock('code', key, [matches[1], matches[3], isAfterList]);
         }
         return false;
@@ -888,7 +894,7 @@
       }
       isEmpty = true;
       lines = lines.slice(1, -1).map(function(line) {
-        line = line.replace(new RegExp("/^[ ]{" + count + "}/"), '');
+        line = line.replace(new RegExp("^[ ]{" + count + "}"), '');
         if (isEmpty && !line.match(/^\s*$/)) {
           isEmpty = false;
         }
@@ -955,18 +961,25 @@
     };
 
     Parser.prototype.parseList = function(lines, value, start) {
-      var html, j, l, last, len, len1, line, matches, row, rows, space, type;
+      var html, j, key, l, last, len, len1, line, matches, row, rows, space, suffix, tab, type;
       html = '';
-      space = value[0], type = value[1];
+      space = value[0], type = value[1], tab = value[2];
       rows = [];
+      suffix = '';
       last = 0;
-      for (j = 0, len = lines.length; j < len; j++) {
-        line = lines[j];
+      for (key = j = 0, len = lines.length; j < len; key = ++j) {
+        line = lines[key];
         if (matches = line.match(new RegExp("^(\\s{" + space + "})((?:[0-9]+\\.?)|\\-|\\+|\\*)(\\s+)(.*)$"))) {
+          if (type === 'ol' && key === 0) {
+            start = parseInt(matches[2]);
+            if (start !== 1) {
+              suffix = ' start="' + start + '"';
+            }
+          }
           rows.push([matches[4]]);
           last = rows.length - 1;
         } else {
-          rows[last].push(line.replace(new RegExp("^\\s{" + space + "}"), ''));
+          rows[last].push(line.replace(new RegExp("^\\s{" + (tab + space) + "}"), ''));
         }
       }
       for (l = 0, len1 = rows.length; l < len1; l++) {
@@ -974,7 +987,7 @@
         html += '<li>' + (this.parse(row.join("\n"), true, start)) + '</li>';
         start += row.length;
       }
-      return "<" + type + ">" + html + "</" + type + ">";
+      return "<" + type + suffix + ">" + html + "</" + type + ">";
     };
 
     Parser.prototype.parseTable = function(lines, value, start) {
diff --git a/var/HyperDown.php b/var/HyperDown.php
index 493300ef..28803aed 100644
--- a/var/HyperDown.php
+++ b/var/HyperDown.php
@@ -711,18 +711,19 @@ class HyperDown
 
         if (preg_match("/^(\s*)((?:[0-9]+\.)|\-|\+|\*)\s+/i", $line, $matches)) {
             $space = strlen($matches[1]);
+            $tab = strlen($matches[0]) - $space;
             $state['empty'] = 0;
             $type = false !== strpos('+-*', $matches[2]) ? 'ul' : 'ol';
 
             // opened
             if ($this->isBlock('list')) {
                 if ($space < $block[3][0] || ($space == $block[3][0] && $type != $block[3][1])) {
-                    $this->startBlock('list', $key, [$space, $type]);
+                    $this->startBlock('list', $key, [$space, $type, $tab]);
                 } else {
                     $this->setBlock($key);
                 }
             } else {
-                $this->startBlock('list', $key, [$space, $type]);
+                $this->startBlock('list', $key, [$space, $type, $tab]);
             }
 
             return false;
@@ -738,10 +739,15 @@ class HyperDown
      * @param $state
      * @return bool
      */
-    private function parseBlockCode($block, $key, $line, $state)
+    private function parseBlockCode($block, $key, $line, &$state)
     {
         if (preg_match("/^(\s*)(~{3,}|`{3,})([^`~]*)$/i", $line, $matches)) {
             if ($this->isBlock('code')) {
+                if ($state['code'] != $matches[2]) {
+                    $this->setBlock($key);
+                    return false;
+                }
+
                 $isAfterList = $block[3][2];
 
                 if ($isAfterList) {
@@ -760,6 +766,8 @@ class HyperDown
                     $isAfterList = strlen($matches[1]) >= $space + $state['empty'];
                 }
 
+                $state['code'] = $matches[2];
+
                 $this->startBlock('code', $key, array(
                     $matches[1],  $matches[3],  $isAfterList
                 ));
@@ -1391,16 +1399,25 @@ class HyperDown
     private function parseList(array $lines, $value, $start)
     {
         $html = '';
-        list($space, $type) = $value;
+        list($space, $type, $tab) = $value;
         $rows = array();
+        $suffix = '';
         $last = 0;
 
-        foreach ($lines as $line) {
+        foreach ($lines as $key => $line) {
             if (preg_match("/^(\s{" . $space . "})((?:[0-9]+\.?)|\-|\+|\*)(\s+)(.*)$/i", $line, $matches)) {
+                if ($type == 'ol' && $key == 0) {
+                    $start = intval($matches[2]);
+
+                    if ($start != 1) {
+                        $suffix = ' start="' . $start . '"';
+                    }
+                }
+
                 $rows[] = [$matches[4]];
                 $last = count($rows) - 1;
             } else {
-                $rows[$last][] = preg_replace("/^\s{" . $space . "}/", '', $line);
+                $rows[$last][] = preg_replace("/^\s{" . ($tab + $space) . "}/", '', $line);
             }
         }
 
@@ -1409,7 +1426,7 @@ class HyperDown
             $start += count($row);
         }
 
-        return "<{$type}>{$html}</{$type}>";
+        return "<{$type}{$suffix}>{$html}</{$type}>";
     }
 
     /**