From 577ab07e3413aec36c856a2eb1c8b1ac9a7a5cc3 Mon Sep 17 00:00:00 2001
From: Annika Backstrom <annika@sixohthree.com>
Date: Tue, 24 May 2022 21:56:15 +0100
Subject: [PATCH] Add support for Gemtext lists. Fixes #3

---
 src/ArticleParser.php       | 20 ++++++++++++++++++--
 tests/ArticleParserTest.php |  6 ++++++
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/ArticleParser.php b/src/ArticleParser.php
index 5fd84ac..3895818 100644
--- a/src/ArticleParser.php
+++ b/src/ArticleParser.php
@@ -22,6 +22,9 @@ class ArticleParser extends Parser {
         $last_node = null; //updated every time
         $previous_node = null; // we only update this for significant nodes
 
+        $block_level = 0;
+        $list_item = 0;
+
         $walker = $this->document->walker();
         while ($event = $walker->next()) {
             $entering = $event->isEntering();
@@ -35,10 +38,16 @@ class ArticleParser extends Parser {
             }
 
             if (!$entering) {
+                if ($node instanceof ListBlock) {
+                    $block_level -= 1;
+                    $list_item = 0;
+                }
+
                 continue;
             }
 
             if ($node instanceof ListBlock) {
+                $block_level += 1;
                 $in_frontmatter = false;
                 continue;
             }
@@ -55,8 +64,15 @@ class ArticleParser extends Parser {
                     }
                 }
 
-                $leader = $previous_node ? "\n" : "";
-                $gemtext[] = $leader . $text;
+                if ($block_level > 1) {
+                    $list_item += 1;
+
+                    $leader = $list_item === 1 ? "\n" : "";
+                    $gemtext[] = $leader . '* ' . $text;
+                } else {
+                    $leader = $previous_node ? "\n" : "";
+                    $gemtext[] = $leader . $text;
+                }
 
                 $previous_node = $node;
 
diff --git a/tests/ArticleParserTest.php b/tests/ArticleParserTest.php
index 853b2af..793995f 100644
--- a/tests/ArticleParserTest.php
+++ b/tests/ArticleParserTest.php
@@ -95,4 +95,10 @@ class ArticleParserTest extends TestCase {
         $this->parser->load(vfsStream::url('root/article.md'));
         $this->assertSame("=> bar foo\n\n=> foo bar", $this->parser->convert());
     }
+
+    public function testList() {
+        $this->setArticleText("- para\n\t- item 1\n\t- item 2\n- out");
+        $this->parser->load(vfsStream::url('root/article.md'));
+        $this->assertSame("para\n\n* item 1\n* item 2\n\nout", $this->parser->convert());
+    }
 }