Refactor HelpersSet class

src/mibew/libs/classes/Mibew/Handlebars/Helpers.php

@@ -0,0 +1,58 @@
+<?php
+/*
+ * This file is a part of Mibew Messenger.
+ *
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Mibew\Handlebars;
+
+use Handlebars\Helpers as BaseHelpers;
+
+/**
+ * Handlebars helpers collection.
+ *
+ * This class differs from \Handlebars\Helpers in default helpers set.
+ */
+class Helpers extends BaseHelpers
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function addDefaultHelpers()
+    {
+        parent::addDefaultHelpers();
+
+        $blocks = new BlockStorage();
+        $this->add('l10n', new Helper\L10nHelper());
+        $this->add('extends', new Helper\ExtendsHelper());
+        $this->add('block', new Helper\BlockHelper($blocks));
+        $this->add('override', new Helper\OverrideHelper($blocks));
+        $this->add('ifOverridden', new Helper\IfOverriddenHelper($blocks));
+        $this->add('unlessOverridden', new Helper\UnlessOverriddenHelper($blocks));
+        $this->add('ifEqual', new Helper\IfEqualHelper());
+        $this->add('ifAny', new Helper\IfAnyHelper());
+        $this->add('ifEven', new Helper\IfEvenHelper());
+        $this->add('ifOdd', new Helper\IfOddHelper());
+        $this->add('generatePagination', new Helper\GeneratePaginationHelper());
+        $this->add('jsString', new Helper\JsStringHelper());
+        $this->add('repeat', new Helper\RepeatHelper());
+        $this->add('replace', new Helper\ReplaceHelper());
+        $this->add('formatDate', new Helper\FormatDateHelper());
+        $this->add('formatDateDiff', new Helper\FormatDateDiffHelper());
+        $this->add('cutString', new Helper\CutStringHelper());
+        $this->add('csrfTokenInput', new Helper\CsrfTokenInputHelper());
+    }
+}

src/mibew/libs/classes/Mibew/Handlebars/HelpersSet.php

@@ -1,68 +0,0 @@
-<?php
-/*
- * This file is a part of Mibew Messenger.
- *
- * Copyright 2005-2014 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-namespace Mibew\Handlebars;
-
-/**
- * Represents a set of default helpers for server side templates.
- */
-class HelpersSet
-{
-    /**
-     * Contains a list of helpers.
-     *
-     * @var array()
-     */
-    protected static $helpers = null;
-
-    /**
-     * Returns a set of handlebars helpers.
-     *
-     * @return array Helpers list that can be passed to
-     * \Handlebars\Helpers::__construct();
-     */
-    public static function getHelpers()
-    {
-        if (!self::$helpers) {
-            $blocks = new BlockStorage();
-            self::$helpers = array(
-                'l10n' => (new Helper\L10nHelper()),
-                'extends' => (new Helper\ExtendsHelper()),
-                'block' => (new Helper\BlockHelper($blocks)),
-                'override' => (new Helper\OverrideHelper($blocks)),
-                'ifOverridden' => (new Helper\IfOverriddenHelper($blocks)),
-                'unlessOverridden' => (new Helper\UnlessOverriddenHelper($blocks)),
-                'ifEqual' => (new Helper\IfEqualHelper()),
-                'ifAny' => (new Helper\IfAnyHelper()),
-                'ifEven' => (new Helper\IfEvenHelper()),
-                'ifOdd' => (new Helper\IfOddHelper()),
-                'generatePagination' => (new Helper\GeneratePaginationHelper()),
-                'jsString' => (new Helper\JsStringHelper()),
-                'repeat' => (new Helper\RepeatHelper()),
-                'replace' => (new Helper\ReplaceHelper()),
-                'formatDate' => (new Helper\FormatDateHelper()),
-                'formatDateDiff' => (new Helper\FormatDateDiffHelper()),
-                'cutString' => (new Helper\CutStringHelper()),
-                'csrfTokenInput' => (new Helper\CsrfTokenInputHelper()),
-            );
-        }
-
-        return self::$helpers;
-    }
-}

src/mibew/libs/classes/Mibew/Style/AbstractHandlebarsPoweredStyle.php

@@ -20,7 +20,7 @@
 namespace Mibew\Style;
 
 use Handlebars\Handlebars as HandlebarsEngine;
-use Mibew\Handlebars\HelpersSet;
+use Mibew\Handlebars\Helpers;
 use Mibew\Handlebars\HandlebarsAwareInterface;
 
 /**
@@ -48,7 +48,7 @@ abstract class AbstractHandlebarsPoweredStyle extends AbstractStyle implements H
             $this->templateEngine = new \Handlebars\Handlebars(array(
                 'loader' => $templates_loader,
                 'partials_loader' => $templates_loader,
-                'helpers' => new \Handlebars\Helpers(HelpersSet::getHelpers())
+                'helpers' => new Helpers(),
             ));
 
             // Use custom function to escape strings