Initial commit

src/IO/Input/FinderArguments.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace IO\Input;
+
+use Filter\DocumentFilter;
+use Filter\FilterFactory;
+use IO\Exception\DirectoryNotFoundException;
+use IO\Exception\NotADirectoryException;
+
+class FinderArguments
+{
+    use ArgvAccess;
+
+    private ?string $directory;
+    private array $filters;
+
+    public function __construct(?string $directory, array $filters)
+    {
+        $this->directory = $directory;
+        $this->filters = $filters;
+
+        $factory = new FilterFactory();
+        $this->filters = array_map([$factory, 'createFromString'], $this->filters);
+    }
+
+    public static function createFromGlobals(): self
+    {
+        $arguments = self::getArguments();
+
+        $dir = array_shift($arguments) ?? getcwd();
+        $dir = rtrim($dir, DIRECTORY_SEPARATOR);
+
+        return new self($dir, $arguments);
+    }
+
+    public function getDirectory(): string
+    {
+        if (!file_exists($this->directory)) {
+            throw new DirectoryNotFoundException($this->directory);
+        }
+        if (!is_dir($this->directory)) {
+            throw new NotADirectoryException($this->directory);
+        }
+        
+        return $this->directory;
+    }
+
+    /**
+     * @return DocumentFilter[]
+     */
+    public function getFilters(): array
+    {
+        return $this->filters;
+    }
+}