1 files changed, 73 insertions, 0 deletions
diff --git a/vendor/bakame/http-structured-fields/src/Ietf.php b/vendor/bakame/http-structured-fields/src/Ietf.php
new file mode 100644
index 000000000..a98e16e20
--- /dev/null
+++ b/vendor/bakame/http-structured-fields/src/Ietf.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Bakame\Http\StructuredFields;
+
+use DateTimeImmutable;
+use DateTimeZone;
+
+enum Ietf
+{
+    case Rfc8941;
+    case Rfc9651;
+
+    public function uri(): string
+    {
+        return match ($this) {
+            self::Rfc9651 => 'https://www.rfc-editor.org/rfc/rfc9651.html',
+            self::Rfc8941 => 'https://www.rfc-editor.org/rfc/rfc8941.html',
+        };
+    }
+
+    public function publishedAt(): DateTimeImmutable
+    {
+        return new DateTimeImmutable(match ($this) {
+            self::Rfc9651 => '2024-09-01',
+            self::Rfc8941 => '2021-02-01',
+        }, new DateTimeZone('UTC'));
+    }
+
+    public function isActive(): bool
+    {
+        return self::Rfc9651 === $this;
+    }
+
+    public function isObsolete(): bool
+    {
+        return !$this->isActive();
+    }
+
+    public function supports(mixed $value): bool
+    {
+        if ($value instanceof StructuredFieldProvider) {
+            $value = $value->toStructuredField();
+        }
+
+        if ($value instanceof OuterList ||
+            $value instanceof InnerList ||
+            $value instanceof Dictionary ||
+            $value instanceof Parameters ||
+            $value instanceof Item
+        ) {
+            try {
+                $value->toHttpValue($this);
+
+                return true;
+            } catch (MissingFeature) {
+                return false;
+            }
+        }
+
+        if (!$value instanceof Type) {
+            $value = Type::tryFromVariable($value);
+        }
+
+        return match ($value) {
+            null => false,
+            Type::DisplayString,
+            Type::Date => self::Rfc8941 !== $this,
+            default => true,
+        };
+    }
+}