Remove Template class

src/lib/Sage/Template/Wrapper.php

@@ -13,26 +13,37 @@ class Wrapper implements WrapperInterface {
   protected $template = '';
 
   /** @var string[] Array of template wrappers; e.g., `base-singular.php`, `base-page.php`, `base.php` */
-  protected $wrappers = [];
+  protected $wrapper = [];
+
+  /** @var string[] Cache template locations */
+  protected static $locations = [];
 
   /**
    * Wrapper constructor
    *
-   * @param string $templateSlug Template slug, typically from Template Heirarchy; e.g., `page`, `single`, `singular`
+   * @param string $template Template file, as from Template Heirarchy; e.g., `page.php`, `single.php`, `singular.php`
    * @param string $base Wrapper's base template, this is what will wrap around $template
    */
-  public function __construct($templateSlug, $base = 'layouts/base.php') {
+  public function __construct($template, $base = 'layouts/base.php') {
     $this->slug = sanitize_title(basename($base, '.php'));
-    $this->wrappers = [$base];
-    $this->template = $templateSlug;
+    $this->wrapper = [$base];
+    $this->template = $template;
     $str = substr($base, 0, -4);
-    array_unshift($this->wrappers, sprintf($str . '-%s.php', $templateSlug));
+    array_unshift($this->wrapper, sprintf($str . '-%s.php', basename($template, '.php')));
+  }
+
+  /**
+   * @return string
+   * @see getTemplate
+   */
+  public function __toString() {
+    return $this->getTemplate();
   }
 
   /** {@inheritdoc} */
-  public function getWrappers() {
-    $this->wrappers = apply_filters('sage/wrap_' . $this->slug, $this->wrappers) ?: $this->wrappers;
-    return $this->wrappers;
+  public function getWrapper() {
+    $wrappers = apply_filters('sage/wrap_' . $this->slug, $this->wrapper) ?: $this->wrapper;
+    return locate_template($wrappers);
   }
 
   /** {@inheritdoc} */
@@ -42,6 +53,7 @@ class Wrapper implements WrapperInterface {
 
   /** {@inheritdoc} */
   public function getTemplate() {
-    return $this->template;
+    $template = apply_filters('sage/unwrap_' . $this->slug, $this->template) ?: $this->template;
+    return locate_template($template);
   }
 }

src/lib/Sage/Template/WrapperCollection.php

@@ -0,0 +1,73 @@
+<?php namespace Roots\Sage\Template;
+
+/**
+ * Class Wrapper
+ * @package Roots\Sage
+ * @author QWp6t
+ */
+class WrapperCollection {
+  /** @var $this */
+  protected static $instance;
+  /** @var WrapperInterface[] $wrappers */
+  protected $wrappers = [];
+
+  /** Singleton */
+  private function __construct() {}
+  private function __clone() {}
+
+  /**
+   * @return static
+   */
+  public static function instance() {
+    isset(self::$instance) || self::$instance = new static;
+    return self::$instance;
+  }
+
+  /**
+   * @param WrapperInterface $wrapper
+   * @param string $slug
+   * @param bool $overwriteIfExists
+   * @return $this
+   * @throws \Exception
+   */
+  public static function add(WrapperInterface $wrapper, $slug = '', $overwriteIfExists = false) {
+    $slug = $slug ?: $wrapper->getSlug();
+    if (self::instance()->exists($slug) && !$overwriteIfExists) {
+      throw new \Exception("Wrapper $slug already exists.");
+    }
+    self::instance()->wrappers[$slug] = $wrapper;
+    return self::instance();
+  }
+
+  /**
+   * @param string $slug
+   * @return $this
+   */
+  public static function remove($slug) {
+    unset(self::instance()->wrappers[$slug]);
+    return self::instance();
+  }
+
+  /**
+   * @param string $slug
+   * @return null|WrapperInterface
+   */
+  public static function get($slug) {
+    return isset(self::instance()->wrappers[$slug]) ? self::instance()->wrappers[$slug] : null;
+  }
+
+  /**
+   * @return string[] Slugs of wrappers in collection
+   */
+  public static function wrappers() {
+    return array_keys(self::instance()->wrappers);
+  }
+
+  /**
+   * @param $slug
+   * @return bool
+   */
+  public static function exists($slug) {
+    return isset(self::instance()->wrappers[$slug]);
+  }
+}

src/lib/Sage/Template/WrapperInterface.php

@@ -6,16 +6,16 @@
  * @author QWp6t
  */
 interface WrapperInterface {
-  /**
-   * Get a list of potential wrappers
-   * Useful for passing to WordPress's locate_template()
-   *
-   * @return string[] List of wrappers; e.g., `base-page.php`, `base.php`
-   */
-  public function getWrappers();
 
   /**
-   * @return string Template file that is being wrapped; e.g., `page.php`, `single.php`, `singular.php`
+   * Get wrapper template file
+   *
+   * @return string Wrapper template (FQPN of, e.g., `base-page.php`, `base.php`)
+   */
+  public function getWrapper();
+
+  /**
+   * @return string Wrapped template (FQPN of, e.g., `page.php`, `single.php`, `singular.php`)
    */
   public function getTemplate();