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[yaffs-website] / vendor / consolidation / robo / src / Collection / CallableTask.php

diff --git a/vendor/consolidation/robo/src/Collection/CallableTask.php b/vendor/consolidation/robo/src/Collection/CallableTask.php
new file mode 100644 (file)
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+++ b/vendor/consolidation/robo/src/Collection/CallableTask.php
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+<?php
+namespace Robo\Collection;
+
+use Robo\Result;
+use Robo\Contract\TaskInterface;
+use Robo\State\StateAwareInterface;
+use Robo\State\Data;
+
+/**
+ * Creates a task wrapper that converts any Callable into an
+ * object that can be used directly with a task collection.
+ *
+ * It is not necessary to use this class directly; Collection will
+ * automatically wrap Callables when they are added.
+ */
+class CallableTask implements TaskInterface
+{
+    /**
+     * @var callable
+     */
+    protected $fn;
+
+    /**
+     * @var \Robo\Contract\TaskInterface
+     */
+    protected $reference;
+
+    public function __construct(callable $fn, TaskInterface $reference)
+    {
+        $this->fn = $fn;
+        $this->reference = $reference;
+    }
+
+    /**
+     * @return \Robo\Result
+     */
+    public function run()
+    {
+        $result = call_user_func($this->fn, $this->getState());
+        // If the function returns no result, then count it
+        // as a success.
+        if (!isset($result)) {
+            $result = Result::success($this->reference);
+        }
+        // If the function returns a result, it must either return
+        // a \Robo\Result or an exit code.  In the later case, we
+        // convert it to a \Robo\Result.
+        if (!$result instanceof Result) {
+            $result = new Result($this->reference, $result);
+        }
+
+        return $result;
+    }
+
+    public function getState()
+    {
+        if ($this->reference instanceof StateAwareInterface) {
+            return $this->reference->getState();
+        }
+        return new Data();
+    }
+}