用marked.js以及MarkdownExtraExtended替换旧的markdown解析引擎

全面支持表格，以及回车换行

admin/editor-js.php

@@ -1,5 +1,6 @@
 <?php $content = !empty($post) ? $post : $page; if ($options->markdown && (!$content->have() || $content->isMarkdown)): ?>
-<script src="<?php $options->adminUrl('js/markdown.js?v=' . $suffixVersion); ?>"></script>
+<script src="<?php $options->adminUrl('js/marked.js?v=' . $suffixVersion); ?>"></script>
+<script src="<?php $options->adminUrl('js/pagedown.js?v=' . $suffixVersion); ?>"></script>
 <script src="<?php $options->adminUrl('js/diff.js?v=' . $suffixVersion); ?>"></script>
 <script>
 $(document).ready(function () {
@@ -7,7 +8,7 @@ $(document).ready(function () {
         toolbar = $('<div class="editor" id="wmd-button-bar" />').insertBefore(textarea.parent())
         preview = $('<div id="wmd-preview" />').insertAfter('.submit');
 
-    var converter = new Showdown.converter(), options = {};
+    var options = {};
 
     options.strings = {
         bold: '<?php _e('加粗'); ?> <strong> Ctrl+B',
@@ -55,13 +56,36 @@ $(document).ready(function () {
         help: '<?php _e('Markdown语法帮助'); ?>'
     };
 
-    var editor = new Markdown.Editor(converter, '', options),
+    var editor = new Markdown.Editor(marked, '', options),
         diffMatch = new diff_match_patch(), last = '', preview = $('#wmd-preview'),
         mark = '@mark' + Math.ceil(Math.random() * 100000000) + '@',
         span = '<span class="diff" />';
+    
+    // 设置markdown
+    marked.setOptions({
+        breaks      :   true
+    });
 
     // 自动跟随
-    converter.postConversion = function (html) {
+    editor.hooks.chain('postMarkdown', function (html) {
+        html = html.replace(/<\/?(\!doctype|html|head|body|link|title|input|select|button|textarea|style|noscript)[^>]*>/ig, function (all) {
+            return all.replace(/&/g, '&amp;')
+                .replace(/</g, '&lt;')
+                .replace(/>/g, '&gt;')
+                .replace(/'/g, '&#039;')
+                .replace(/"/g, '&quot;');
+        });
+
+        if (html.indexOf('<!--more-->') > 0) {
+            var parts = html.split(/\s*<\!\-\-more\-\->\s*/),
+                summary = parts.shift(),
+                details = parts.join('');
+
+            html = '<div class="summary">' + summary + '</div>'
+                + '<div class="details">' + details + '</div>';
+        }
+
+
         var diffs = diffMatch.diff_main(last, html);
         last = html;
 
@@ -110,7 +134,7 @@ $(document).ready(function () {
         }
 
         return html;
-    }
+    });
 
     editor.hooks.chain('onPreviewRefresh', function () {
         var diff = $('.diff', preview);