1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/mikespub/php-epub-meta/src/Contents/NavPointList.php b/vendor/mikespub/php-epub-meta/src/Contents/NavPointList.php
new file mode 100644
index 000000000..540d2f876
--- /dev/null
+++ b/vendor/mikespub/php-epub-meta/src/Contents/NavPointList.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace SebLucas\EPubMeta\Contents;
+
+use ArrayIterator;
+
+/**
+ * A list of EPUB TOC navigation points.
+ *
+ * @author Simon Schrape <simon@epubli.com>
+ * @author mikespub
+ * @extends ArrayIterator<int, NavPoint>
+ */
+class NavPointList extends ArrayIterator
+{
+    public function __construct() {}
+
+    /**
+     * @return NavPoint
+     */
+    public function first()
+    {
+        $this->rewind();
+        return $this->current();
+    }
+
+    /**
+     * @return NavPoint
+     */
+    public function last()
+    {
+        $this->seek($this->count() - 1);
+        return $this->current();
+    }
+
+    /**
+     * @param NavPoint $navPoint
+     * @return void
+     * @deprecated 2.1.0 use normal append() instead
+     */
+    public function addNavPoint(NavPoint $navPoint)
+    {
+        $this->append($navPoint);
+    }
+
+    /**
+     * @param string $file
+     *
+     * @return array|NavPoint[]
+     */
+    public function findNavPointsForFile($file)
+    {
+        $matches = [];
+        foreach ($this as $navPoint) {
+            if ($navPoint->getContentSourceFile() == $file) {
+                $matches[] = $navPoint;
+            }
+            $childMatches = $navPoint->getChildren()->findNavPointsForFile($file);
+            if (count($childMatches)) {
+                $matches = array_merge($matches, $childMatches);
+            }
+        }
+        return $matches;
+    }
+}