From 6d4778ffba88250de6ff22c93b5a97dde59c2316 Mon Sep 17 00:00:00 2001
From: Miraty <miraty+git@antopie.org>
Date: Wed, 24 May 2023 18:58:56 +0200
Subject: [PATCH] Use pandoc instead of parsedown by default

---
 README.md |  1 +
 mkht.php  | 33 +++++++++++++++++++++++++--------
 2 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index ad153d3..62b4f04 100755
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Gemini > Markdown > HTML, which means that the last of these formats you will us
 * PHP
 * gzip
 * find
+* pandoc
 
 # Internal libraries used
 
diff --git a/mkht.php b/mkht.php
index 744fb8c..acc7552 100755
--- a/mkht.php
+++ b/mkht.php
@@ -9,6 +9,8 @@ const LF = "\n";
 
 define('ROOT', dirname($_SERVER['SCRIPT_FILENAME']));
 
+$use_pandoc = true;
+
 if (isset($argv[1]))
 	define('SITE', $argv[1]);
 else
@@ -112,19 +114,34 @@ foreach ($pages as $page) {
 		file_put_contents($pathParts['dirname'] . '/' . $pathParts['filename'] . '.md', $code);
 	}
 
-	// Compile Markdown to HTML with Parsedown
+	// Compile Markdown to HTML
 	$markdown = file_get_contents($pathParts['dirname'] . '/' . $pathParts['filename'] . '.md');
 	if (preg_match("/# (.*)\\n/", $markdown, $matches)) // If a main heading is found
 		$title = $matches[1]; // Then it will be the HTML page <title>
 	else
 		$title = NULL;
-	require_once ROOT . '/parsedown/Parsedown.php';
-	require_once ROOT . '/parsedown-extra/ParsedownExtra.php';
-	$Parsedown = new ParsedownExtra;
-	$Parsedown = $Parsedown->setUrlsLinked(false);
-	$Parsedown = $Parsedown->setMarkupEscaped(false);
-	$Parsedown = $Parsedown->setBreaksEnabled(true);
-	$pageContent = $Parsedown->text($markdown);
+	if ($use_pandoc) {
+		$process = proc_open('pandoc --fail-if-warnings -f markdown -t html', [
+			0 => ['pipe', 'r'],
+			1 => ['pipe', 'w'],
+		], $pipes);
+		if (is_resource($process) !== true)
+			exit('Can\'t spawn pandoc.');
+		fwrite($pipes[0], $markdown);
+		fclose($pipes[0]);
+		$pageContent = fread($pipes[1], 1000);
+		fclose($pipes[1]);
+		if (proc_close($process) !== 0)
+			exit('pandoc failed.');
+	} else {
+		require_once ROOT . '/parsedown/Parsedown.php';
+		require_once ROOT . '/parsedown-extra/ParsedownExtra.php';
+		$Parsedown = new ParsedownExtra;
+		$Parsedown = $Parsedown->setUrlsLinked(false);
+		$Parsedown = $Parsedown->setMarkupEscaped(false);
+		$Parsedown = $Parsedown->setBreaksEnabled(true);
+		$pageContent = $Parsedown->text($markdown);
+	}
 
 	// .md > .html for local links
 	$pageContent = preg_replace('#<a href="(?!.*:)(.*)\.md">#', '<a href="$1.html">', $pageContent);