From fde3789b73cd889e90d55a94f1a94193de6b7fc1 Mon Sep 17 00:00:00 2001
From: dyszczo <krzysiek@inspirelabs.pl>
Date: Sun, 23 Sep 2018 22:39:55 +0200
Subject: [PATCH] chain resolver implementation
---
src/Resolver/ChainResolver.php | 61 ++++++++++++++++++++++++++++++++++
src/Resolver/DirResolver.php | 2 +-
src/Resolver/NullResolver.php | 22 ++++++++++++
3 files changed, 84 insertions(+), 1 deletion(-)
create mode 100644 src/Resolver/ChainResolver.php
create mode 100644 src/Resolver/NullResolver.php
diff --git a/src/Resolver/ChainResolver.php b/src/Resolver/ChainResolver.php
new file mode 100644
index 0000000..eaa394f
--- /dev/null
+++ b/src/Resolver/ChainResolver.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace WPDesk\View\Resolver;
+
+
+use WPDesk\View\Renderer\Renderer;
+use WPDesk\View\Resolver\Exception\CanNotResolve;
+
+/**
+ * Provide resolvers and this class can try them one after another
+ *
+ * @package WPDesk\View\Resolver
+ */
+class ChainResolver implements Resolver
+{
+ /** @var Resolver[] */
+ private $resolvers;
+
+ /**
+ * Warning: function with variadic input. Input should be list of Resolver instances.
+ */
+ public function __construct()
+ {
+ $args = func_get_args();
+ foreach ($args as $resolver) {
+ $this->appendResolver($resolver);
+ }
+ }
+
+ /**
+ * Append resolver to the end of the list
+ *
+ * @param Resolver $resolver
+ */
+ public function appendResolver( $resolver)
+ {
+ $this->resolvers[] = $resolver;
+ }
+
+ /**
+ * Resolve name to full path
+ *
+ * @param string $name
+ * @param Renderer|null $renderer
+ *
+ * @return string
+ */
+ public function resolve($name, Renderer $renderer = null)
+ {
+ foreach ($this->resolvers as $resolver) {
+ try {
+ return $resolver->resolve($name);
+ } catch (CanNotResolve $e) {
+ // not interested
+ }
+ }
+
+ throw new CanNotResolve("Cannot resolve {$name}");
+ }
+
+}
diff --git a/src/Resolver/DirResolver.php b/src/Resolver/DirResolver.php
index f4ab594..5122631 100644
--- a/src/Resolver/DirResolver.php
+++ b/src/Resolver/DirResolver.php
@@ -21,7 +21,7 @@ class DirResolver implements Resolver
/**
* Base path for templates ie. subdir
*
- * @param $template_base_path
+ * @param $dir
*/
public function __construct($dir)
{
diff --git a/src/Resolver/NullResolver.php b/src/Resolver/NullResolver.php
new file mode 100644
index 0000000..4f69832
--- /dev/null
+++ b/src/Resolver/NullResolver.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace WPDesk\View\Resolver;
+
+
+use WPDesk\View\Renderer\Renderer;
+use WPDesk\View\Resolver\Exception\CanNotResolve;
+
+/**
+ * This resolver never finds the file
+ *
+ * @package WPDesk\View\Resolver
+ */
+class NullResolver implements Resolver
+{
+
+ public function resolve($name, Renderer $renderer = null)
+ {
+ throw new CanNotResolve("Null Cannot resolve");
+ }
+
+}
--
GitLab