asdlkif

2026-01-10 17:22:49 +01:00
parent edcc1b5403
commit 674fabb715
21 changed files with 2135 additions and 489 deletions
--- a/application/libs/SimpleMarkdown.php
+++ b/application/libs/SimpleMarkdown.php
@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * Simple Markdown Parser
+ * Supports basic markdown syntax:
+ * # Headers
+ * **bold** *italic* `code`
+ * - lists
+ * [links](url)
+ * > quotes
+ */
+
+class SimpleMarkdown
+{
+    /**
+     * Parse markdown text to HTML
+     */
+    public static function parse($text)
+    {
+        // Convert special characters to HTML entities first
+        $text = htmlspecialchars($text, ENT_QUOTES, 'UTF-8');
+        
+        // Headers (h1-h6)
+        $text = preg_replace('/^#{1,6}\s+(.+)$/m', '<h3>$1</h3>', $text);
+        
+        // Bold text
+        $text = preg_replace('/\*\*(.+?)\*\*/', '<strong>$1</strong>', $text);
+        
+        // Italic text
+        $text = preg_replace('/\*(.+?)\*/', '<em>$1</em>', $text);
+        
+        // Inline code
+        $text = preg_replace('/`(.+?)`/', '<code>$1</code>', $text);
+        
+        // Code blocks
+        $text = preg_replace('/```(.+?)```/s', '<pre><code>$1</code></pre>', $text);
+        
+        // Links
+        $text = preg_replace('/\[(.+?)\]\((.+?)\)/', '<a href="$2" target="_blank">$1</a>', $text);
+        
+        // Blockquotes
+        $text = preg_replace('/^>\s+(.+)$/m', '<blockquote>$1</blockquote>', $text);
+        
+        // Unordered lists
+        $text = preg_replace('/^\-\s+(.+)$/m', '<li>$1</li>', $text);
+        $text = preg_replace('/(<li>.*<\/li>)/s', '<ul>$1</ul>', $text);
+        
+        // Line breaks
+        $text = nl2br($text);
+        
+        // Clean up multiple consecutive line breaks
+        $text = preg_replace('/(<br\s*\/?>\s*){3,}/', '<br><br>', $text);
+        
+        return $text;
+    }
+    
+    /**
+     * Convert HTML back to markdown (simplified)
+     * This is a basic implementation - may not handle all cases perfectly
+     */
+    public static function toMarkdown($html)
+    {
+        // Basic HTML to markdown conversion
+        $markdown = $html;
+        
+        // Headers
+        $markdown = preg_replace('/<h[1-6]>(.+?)<\/h[1-6]>/i', '# $1', $markdown);
+        
+        // Bold
+        $markdown = preg_replace('/<strong>(.+?)<\/strong>/i', '**$1**', $markdown);
+        
+        // Italic
+        $markdown = preg_replace('/<em>(.+?)<\/em>/i', '*$1*', $markdown);
+        
+        // Code
+        $markdown = preg_replace('/<code>(.+?)<\/code>/i', '`$1`', $markdown);
+        $markdown = preg_replace('/<pre><code>(.+?)<\/code><\/pre>/is', "```$1```", $markdown);
+        
+        // Links
+        $markdown = preg_replace('/<a href="(.+?)"(?:\s+target="_blank")?>(.+?)<\/a>/i', '[$2]($1)', $markdown);
+        
+        // Blockquotes
+        $markdown = preg_replace('/<blockquote>(.+?)<\/blockquote>/i', '> $1', $markdown);
+        
+        // Lists (simplified)
+        $markdown = preg_replace('/<ul>(.+?)<\/ul>/is', '$1', $markdown);
+        $markdown = preg_replace('/<li>(.+?)<\/li>/i', '- $1', $markdown);
+        
+        // Line breaks
+        $markdown = preg_replace('/<br\s*\/?>/i', "\n", $markdown);
+        
+        // Decode HTML entities
+        $markdown = htmlspecialchars_decode($markdown, ENT_QUOTES);
+        
+        // Clean up
+        $markdown = preg_replace('/\n{3,}/', "\n\n", $markdown);
+        $markdown = trim($markdown);
+        
+        return $markdown;
+    }
+}
+?>