Move options to a dedicated class. (#114)

* Move options to a dedicated class.
* Applied fixes from StyleCI (#115)
* Code enhancement.
* CS.

src/Options.php

@@ -0,0 +1,264 @@
+<?php
+/*
+ * Copyright (c) Arnaud Ligny <arnaud@ligny.org>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace PHPoole;
+
+use Dflydev\DotAccessData\Data;
+
+/**
+ * Class Options.
+ */
+class Options
+{
+    /**
+     * Options.
+     *
+     * @var Data
+     */
+    protected $options;
+    /**
+     * Source directory.
+     *
+     * @var string
+     */
+    protected $sourceDir;
+    /**
+     * Destination directory.
+     *
+     * @var string
+     */
+    protected $destinationDir;
+    /**
+     * Default options.
+     *
+     * @var array
+     */
+    protected static $defaultOptions = [
+        'site' => [
+            'title'       => 'PHPoole',
+            'baseline'    => 'A PHPoole website',
+            'baseurl'     => 'http://localhost:8000/',
+            'description' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
+            'taxonomies'  => [
+                'tags'       => 'tag',
+                'categories' => 'category',
+            ],
+            'paginate' => [
+                'max'  => 5,
+                'path' => 'page',
+            ],
+            'date' => [
+                'format'   => 'j F Y',
+                'timezone' => 'Europe/Paris',
+            ],
+        ],
+        'content' => [
+            'dir' => 'content',
+            'ext' => 'md',
+        ],
+        'frontmatter' => [
+            'format' => 'yaml',
+        ],
+        'body' => [
+            'format' => 'md',
+        ],
+        'static' => [
+            'dir' => 'static',
+        ],
+        'layouts' => [
+            'dir' => 'layouts',
+        ],
+        'output' => [
+            'dir'      => '_site',
+            'filename' => 'index.html',
+        ],
+        'themes' => [
+            'dir' => 'themes',
+        ],
+    ];
+
+    /**
+     * Options constructor.
+     *
+     * @param Options|array|null $options
+     */
+    public function __construct($options)
+    {
+        $data = new Data(self::$defaultOptions);
+        if ($options instanceof self) {
+            $data->importData($options->getAll());
+        } elseif (is_array($options)) {
+            $data->import($options);
+        }
+        $this->setFromData($data);
+    }
+
+    /**
+     * Set options.
+     *
+     * @param Data $data
+     *
+     * @return $this
+     */
+    public function setFromData(Data $data)
+    {
+        if ($this->options !== $data) {
+            $this->options = $data;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get options.
+     *
+     * @return Data
+     */
+    public function getAll()
+    {
+        if (is_null($this->options)) {
+            $this->setFromData(new Data());
+        }
+
+        return $this->options;
+    }
+
+    /**
+     * Get options as array.
+     *
+     * @return array
+     */
+    public function getAllAsArray()
+    {
+        return $this->options->export();
+    }
+
+    /**
+     * return an option value.
+     *
+     * @param string $key
+     * @param string $default
+     *
+     * @return array|mixed|null
+     */
+    public function get($key, $default = '')
+    {
+        return $this->options->get($key, $default);
+    }
+
+    /**
+     * @param null $sourceDir
+     *
+     * @throws \Exception
+     *
+     * @return $this
+     */
+    public function setSourceDir($sourceDir = null)
+    {
+        if ($sourceDir === null) {
+            $sourceDir = getcwd();
+        }
+        if (!is_dir($sourceDir)) {
+            throw new \InvalidArgumentException(sprintf("'%s' is not a valid source directory.", $sourceDir));
+        }
+        $this->sourceDir = $sourceDir;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSourceDir()
+    {
+        return $this->sourceDir;
+    }
+
+    /**
+     * @param null $destinationDir
+     *
+     * @throws \Exception
+     *
+     * @return $this
+     */
+    public function setDestinationDir($destinationDir = null)
+    {
+        if ($destinationDir === null) {
+            $destinationDir = $this->sourceDir;
+        }
+        if (!is_dir($destinationDir)) {
+            throw new \InvalidArgumentException(sprintf("'%s' is not a valid destination directory.", $destinationDir));
+        }
+        $this->destinationDir = $destinationDir;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDestinationDir()
+    {
+        return $this->destinationDir;
+    }
+
+    /**
+     * Path helpers.
+     */
+
+    /**
+     * @return string
+     */
+    public function getContentPath()
+    {
+        return $this->getSourceDir().'/'.$this->get('content.dir');
+    }
+
+    /**
+     * @return string
+     */
+    public function getLayoutsPath()
+    {
+        return $this->getSourceDir().'/'.$this->get('layouts.dir');
+    }
+
+    /**
+     * @return string
+     */
+    public function getThemesPath()
+    {
+        return $this->getSourceDir().'/'.$this->get('themes.dir');
+    }
+
+    /**
+     * @param string $theme
+     * @param string $dir
+     *
+     * @return string
+     */
+    public function getThemePath($theme, $dir = 'layouts')
+    {
+        return $this->getSourceDir().'/'.$this->get('themes.dir')."/$theme/$dir";
+    }
+
+    /**
+     * @return string
+     */
+    public function getOutputPath()
+    {
+        return $this->getSourceDir().'/'.$this->get('output.dir');
+    }
+
+    /**
+     * @return string
+     */
+    public function getStaticPath()
+    {
+        return $this->getSourceDir().'/'.$this->get('static.dir');
+    }
+}