Initial commit

src/IO/Input/ShowInfoArguments.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace IO\Input;
+
+use IO\Exception\FileNotFoundException;
+use IO\Exception\FileNotReadableException;
+use IO\Exception\MissingFileArgumentException;
+use SplFileInfo;
+
+class ShowInfoArguments
+{
+    use ArgvAccess;
+
+    private ?string $file;
+
+    public function __construct(?string $file)
+    {
+        $this->file = $file;
+    }
+
+    public static function createFromGlobals(): self
+    {
+        $arguments = self::getArguments();
+        return new self(array_shift($arguments));
+    }
+
+    public function getFile(): SplFileInfo
+    {
+        if (is_null($this->file)) {
+            throw new MissingFileArgumentException();
+        }
+        if (!file_exists($this->file)) {
+            throw new FileNotFoundException($this->file);
+        }
+        if (!is_readable($this->file)) {
+            throw new FileNotReadableException($this->file);
+        }
+
+        return new SplFileInfo($this->file);
+    }
+}