From ff8f3c47a9e90e60850f52b1a2c8fca8d322556e Mon Sep 17 00:00:00 2001
From: Silberengel <silberengel7@protonmail.com>
Date: Tue, 3 Mar 2026 21:43:54 +0100
Subject: [PATCH] Handle wiki markup links

---
 src/converters/to-asciidoc.ts | 48 +++++++++++++++++++++++++++++++++++
 src/detector.ts               | 20 ++++++++++++++-
 src/types.ts                  |  1 +
 3 files changed, 68 insertions(+), 1 deletion(-)

diff --git a/src/converters/to-asciidoc.ts b/src/converters/to-asciidoc.ts
index 78e082f..70da96a 100644
--- a/src/converters/to-asciidoc.ts
+++ b/src/converters/to-asciidoc.ts
@@ -27,6 +27,10 @@ export function convertToAsciidoc(
       });
       break;
 
+    case ContentFormat.Wikipedia:
+      asciidoc = convertWikipediaToAsciidoc(content);
+      break;
+
     case ContentFormat.Markdown:
       asciidoc = convertMarkdownToAsciidoc(content);
       break;
@@ -52,6 +56,50 @@ export function convertToAsciidoc(
   return asciidoc;
 }
 
+/**
+ * Converts Wikipedia markup to AsciiDoc format
+ * Handles Wikipedia-style headings, links, and formatting
+ */
+function convertWikipediaToAsciidoc(content: string): string {
+  let asciidoc = content.replace(/\\n/g, '\n');
+  
+  // Convert Wikipedia headings: == Heading == to AsciiDoc == Heading
+  // Wikipedia uses == for level 2, === for level 3, etc.
+  // AsciiDoc uses = for title, == for level 1, === for level 2, etc.
+  // So Wikipedia level 2 (==) maps to AsciiDoc level 1 (==)
+  asciidoc = asciidoc.replace(/^(=+)\s+(.+?)\s+\1$/gm, (match, equals, heading) => {
+    const level = equals.length - 1; // Count = signs, subtract 1 for AsciiDoc mapping
+    const asciidocEquals = '='.repeat(level + 1); // AsciiDoc uses one more = for same level
+    return `${asciidocEquals} ${heading.trim()}`;
+  });
+  
+  // Convert Wikipedia bold: ''text'' to AsciiDoc *text*
+  asciidoc = asciidoc.replace(/''([^']+)''/g, '*$1*');
+  
+  // Convert Wikipedia italic: 'text' to AsciiDoc _text_
+  // Be careful not to match apostrophes in words
+  asciidoc = asciidoc.replace(/(^|[^'])'([^']+)'([^']|$)/g, '$1_$2_$3');
+  
+  // Convert Wikipedia links: [[Page]] or [[Page|Display]] to wikilinks
+  // These will be processed by processWikilinks later, but we need to ensure
+  // they're in the right format. Wikipedia links are already in [[...]] format
+  // which matches our wikilink format, so they should work as-is.
+  
+  // Convert Wikipedia external links: [URL text] to AsciiDoc link:URL[text]
+  asciidoc = asciidoc.replace(/\[(https?:\/\/[^\s\]]+)\s+([^\]]+)\]/g, 'link:$1[$2]');
+  asciidoc = asciidoc.replace(/\[(https?:\/\/[^\s\]]+)\]/g, 'link:$1[$1]');
+  
+  // Convert Wikipedia lists (they use * or # similar to Markdown)
+  // This is handled similarly to Markdown, so we can reuse that logic
+  // But Wikipedia also uses : for definition lists and ; for term lists
+  // For now, we'll handle basic lists and let AsciiDoc handle the rest
+  
+  // Convert horizontal rules: ---- to AsciiDoc '''
+  asciidoc = asciidoc.replace(/^----+$/gm, "'''");
+  
+  return asciidoc;
+}
+
 /**
  * Converts Markdown to AsciiDoc format
  * Based on jumble's conversion patterns
diff --git a/src/detector.ts b/src/detector.ts
index 3374e12..3b56a35 100644
--- a/src/detector.ts
+++ b/src/detector.ts
@@ -27,6 +27,21 @@ export function detectFormat(content: string): ContentFormat {
     }
   }
 
+  // Check for Wikipedia markup indicators (== Heading == format)
+  const wikipediaIndicators = [
+    /^==+\s+.+?\s+==+$/m,     // Wikipedia headings: == Heading ==
+    /\[\[[^\]]+\]\]/,         // Wikipedia links: [[Page]]
+    /''[^']+''/,              // Wikipedia bold: ''text''
+    /'[^']+'/,                // Wikipedia italic: 'text'
+  ];
+
+  let wikipediaScore = 0;
+  for (const indicator of wikipediaIndicators) {
+    if (indicator.test(content)) {
+      wikipediaScore++;
+    }
+  }
+
   // Check for Markdown indicators (more specific patterns to avoid false positives)
   const markdownIndicators = [
     /^#{1,6}\s+/m,           // Heading at start of line
@@ -45,7 +60,10 @@ export function detectFormat(content: string): ContentFormat {
   }
 
   // Determine format based on scores
-  if (asciidocScore > markdownScore && asciidocScore >= 2) {
+  // Wikipedia format takes precedence if detected (it's more specific)
+  if (wikipediaScore > 0 && wikipediaScore >= 2) {
+    return ContentFormat.Wikipedia;
+  } else if (asciidocScore > markdownScore && asciidocScore >= 2) {
     return ContentFormat.AsciiDoc;
   } else if (markdownScore > 0) {
     return ContentFormat.Markdown;
diff --git a/src/types.ts b/src/types.ts
index 8fcf337..da1b350 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -68,5 +68,6 @@ export enum ContentFormat {
   Unknown = 'unknown',
   AsciiDoc = 'asciidoc',
   Markdown = 'markdown',
+  Wikipedia = 'wikipedia',
   Plain = 'plain'
 }