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Added svg_image twig function

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This commit is contained in:
Andy Miller
2020-09-10 15:43:47 -06:00
parent ec9dd14cb4
commit 39310cd4af
1 changed files with 38 additions and 0 deletions
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38
system/src/Grav/Common/Twig/TwigExtension.php
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@@ -174,6 +174,7 @@ class TwigExtension extends \Twig_Extension implements \Twig_Extension_GlobalsIn
new \Twig_SimpleFunction('nicefilesize', [$this, 'niceFilesizeFunc']),
new \Twig_SimpleFunction('nicetime', [$this, 'nicetimeFunc']),
new \Twig_SimpleFunction('cron', [$this, 'cronFunc']),
new \Twig_SimpleFunction('svg_image', [$this, 'svgImageFunction']),
new \Twig_SimpleFunction('xss', [$this, 'xssFunc']),
@@ -1442,4 +1443,41 @@ class TwigExtension extends \Twig_Extension implements \Twig_Extension_GlobalsIn
break;
}
}
/**
* Returns the content of an SVG image and adds extra classes as needed
*
* @param $path
* @param $classes
* @return string|string[]|null
*/
public static function svgImageFunction($path, $classes)
{
$path = Utils::fullPath($path);
if (file_exists($path)) {
$svg = file_get_contents($path);
$classes = " inline-block $classes";
$matched = false;
//Look for existing class
$svg = preg_replace_callback('/^<svg.*?(class=\"(.*?)").*>/', function($matches) use ($classes, &$matched) {
if (isset($matches[2])) {
$new_classes = $matches[2] . $classes;
$matched = true;
return str_replace($matches[1], "class=\"$new_classes\"", $matches[0]);
}
}, $svg
);
// no matches found just add the class
if (!$matched) {
$classes = trim($classes);
$svg = str_replace('<svg ', "<svg class=\"$classes\" ", $svg);
}
return $svg;
}
}
}