Token Parser Support

CommonExtension.php

@@ -6,9 +6,12 @@
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFilter;
 use Twig\TwigFunction;
+use Parisek\Twig\TransTokenParser;
 
 final class CommonExtension extends AbstractExtension {
 
+  public $uniqueIds = [];
+
   public function getFunctions()  {
     return [
       new TwigFunction('uniqueId', [
@@ -28,13 +31,19 @@ public function getFilters() {
           'html'
         ]
       ]),
-      new TwigFilter('format_price', [
+      new TwigFilter('t', [
         $this,
-        'formatPrice'
+        'trans'
       ]),
     ];
   }
 
+  public function getTokenParsers() {
+    return [
+      new TransTokenParser()
+    ];
+  }
+
   public function getUniqueId() {
 
     // generate a random string
@@ -54,4 +63,8 @@ public function getUniqueId() {
   public function yamlParse($content) {
     return Yaml::parse($content);
   }
+
+  public function trans($content) {
+    return $content;
+  }
 }

README.md

@@ -14,12 +14,28 @@ $twig = new Twig_Environment($loader);
 $twig->addExtension(new Parisek\Twig\CommonExtension());
 ```
 
-## Template
+## Filters
 
+Will load YAML to variable
 ```twig
 {% set sidebar = source('sidebar.yml')|yaml_parse %}
 ```
 
+Will return content without translation (useful for debug without translation extension)
+```twig
+{{ "Hello"|t }}
+```
+
+## Functions
+
+Will generate unique ID on the page
 ```twig
 {{ uniqueId() }}
 ```
+
+## Tokens
+Will return content without translation (useful for debug without translation extension)
+
+```twig
+{% trans with {'context': 'domain name'} %}{{ variable }}{% endtrans %}
+```

TransTokenParser.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Parisek\Twig;
+
+use Twig\TokenParser\AbstractTokenParser;
+
+class TransTokenParser extends AbstractTokenParser {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function parse(\Twig\Token $token)
+  {
+    $lineno = $token->getLine();
+    $stream = $this->parser->getStream();
+
+    $parameters = null;
+
+    // parse optional data passed after `with` keyword
+    if ($stream->nextIf(\Twig_Token::NAME_TYPE, 'with')) {
+        $parameters = $this->parser->getExpressionParser()->parseExpression();
+    }
+
+    $stream->expect(\Twig\Token::BLOCK_END_TYPE);
+    $body = $this->parser->subparse(array($this, 'decideTransEnd'), true);
+    $stream->expect(\Twig\Token::BLOCK_END_TYPE);
+
+    // just return content
+    return $body;
+  }
+
+  /**
+   * Decide if current token marks end of Markdown block.
+   *
+   * @param \Twig\Token $token
+   * @return bool
+   */
+  public function decideTransEnd(\Twig\Token $token)
+  {
+    return $token->test('endtrans');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getTag()
+  {
+    return 'trans';
+  }
+}