Test size

src/Twig/Functions/IconExtension.php

@@ -9,13 +9,16 @@ use Twig\TwigFunction;
 
 final class IconExtension extends AbstractExtension
 {
-    public function __construct(private array $directories) {}
+    public const DEFAULT_SIZE = 32;
 
     private const DEFAULT_OPTIONS = [
         'icon' => null,
         'title' => null,
+        'size' => self::DEFAULT_SIZE
     ];
 
+    public function __construct(private array $directories) {}
+
     /**
      * @inheritDoc
      */
@@ -30,6 +33,7 @@ final class IconExtension extends AbstractExtension
 
     /**
      * @param array $options
+     * [ options here ]
      */
     public function renderIcon(array $userOptions): string
     {
@@ -43,6 +47,16 @@ final class IconExtension extends AbstractExtension
             $markup = $this->addTitleToMarkup($cleanSvgMarkup, $options['title']);
         }
 
+        if ($options['size'] < 0)
+            throw new \InvalidArgumentException('Size must not be negative');
+
+        if (!is_int($options['size']))
+            throw new \TypeError('Size value must be an integer');
+
+
+        $markup = $this->setSize($markup, $options['size']);
+
+
         return $markup;
     }
 
@@ -87,12 +101,35 @@ final class IconExtension extends AbstractExtension
 
     private function addTitleToMarkup(string $markup, ?string $title): string
     {
-        if (null === $title) {
+        if (null === $title)
             return $markup;
-        }
 
         return preg_replace('/(<svg(.|\n)*?>\n?)/', "$1<title>$title</title>", $markup);
     }
+
+    private function setSize(string $content, int $size): string
+    {
+        $svgAsXmlElement = new \SimpleXMLElement($content);
+        $svgAsXmlElement = $this->addAttributeToXmlElement($svgAsXmlElement, 'width', $size);
+        $svgAsXmlElement = $this->addAttributeToXmlElement($svgAsXmlElement, 'height', $size);
+        return $this->removeXMLDeclaration($svgAsXmlElement->saveXML());
+    }
+
+    private function removeXMLDeclaration(string $content): string
+    {
+        return trim(preg_replace('/<\?xml.*\?>/', '', $content));
+    }
+
+    private function addAttributeToXmlElement(\SimpleXMLElement $xml, string $attrName, mixed $attrValue): \SimpleXMLElement
+    {
+        if (isset($xml->attributes()->$attrName)) {
+            $xml->attributes()->$attrName = strval($attrValue);
+        } else {
+            $xml->addAttribute($attrName, strval($attrValue));
+        }
+
+        return $xml;
+    }
 }
 
 class IconNotFound extends \Exception {};