From 68d77a21383eb860bef3102d2174b1e727ff4301 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Ryb=C3=A1rsky?= <bruno@brn.systems>
Date: Sun, 4 Feb 2024 10:42:36 +0100
Subject: [PATCH] test inlining

---
 lib/inliner.php | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/lib/inliner.php b/lib/inliner.php
index ac130af..56e370e 100644
--- a/lib/inliner.php
+++ b/lib/inliner.php
@@ -9,21 +9,28 @@ function inlineLocalStylesFromHref($inputString) {
         // Extract the href attribute value
         $href = $match[1];
 
-        $fname = $_SERVER['DOCUMENT_ROOT'] . '/' . $href;
-        echo "from $fname";
-        // Get the content of the local CSS file
-        $cssContent = file_get_contents($_SERVER['DOCUMENT_ROOT'] . '/' . $href);
+        $cssFilePath = $_SERVER['DOCUMENT_ROOT'] . '/' . $href;
+        echo "from $cssFilePath";
 
-        // Replace url() declarations in the CSS content with updated paths
-        $cssContent = preg_replace_callback('/url\(["\']?\/(.*?)(?:[?#].*?)?["\']?\)/i', function($urlMatch) {
+        // Get the content of the local CSS file
+        $cssContent = file_get_contents($cssFilePath);
+
+        // Get the directory where the CSS file is located
+        $cssDir = dirname($cssFilePath);
+
+        // Replace relative paths in the CSS content to be relative to the CSS file's directory
+        $cssContent = preg_replace_callback('/url\(["\']?(\/.*?|.*?)["\']?\)/i', function($urlMatch) use ($cssDir) {
             // Extract the URL value
             $url = $urlMatch[1];
 
-            // Modify the path as needed
-            $modifiedPath = '/new/path/' . $url;
+            // Combine with the CSS file's directory to create an absolute path
+            $absolutePath = $cssDir . '/' . $url;
+
+            // Make the path relative to the CSS file's directory
+            $relativePath = ltrim(substr($absolutePath, strlen($_SERVER['DOCUMENT_ROOT'])), '/');
 
             // Create the updated url() declaration
-            $updatedUrlDeclaration = 'url("' . $modifiedPath . '")';
+            $updatedUrlDeclaration = 'url("' . $relativePath . '")';
 
             return $updatedUrlDeclaration;
         }, $cssContent);