Process filter arguments in filter provider

README.md

@@ -26,7 +26,7 @@ composer require "videni/blade-filters": "^1.0"
 {{ 'a wonderful place' | slug:separator='_', language='en' }}
 ```
 
-For slug filter which provided by `\Illuminate\Support\Str`, the first argument is the value being filtered, the second argument would be the `separator`, the third would be `language`, if a argument name doesn't not exists in slug method of `\Illuminate\Support\Str`, it will be simply ignored.
+For slug filter which provided by `\Illuminate\Support\Str`, the first argument is the value being filtered, the second argument would be the `separator`, the third would be `language`, if a argument name doesn't not exists in the slug method of `\Illuminate\Support\Str`, it will be simply ignored.
 
 
 ## Pass variables to filter arguments

src/BladeFiltersCompiler.php

@@ -75,18 +75,11 @@ private function stringifyArguments(string $filterName, array $arguments): strin
     {
         foreach($this->registry->all() as $filterProvider) {
             if ($filterProvider->hasFilter($filterName)) {
-                $argumentNames = $filterProvider->getFilterArgumentNames($filterName);
-                // Remove the first argument, because the first argument is the value being filtered.
-                array_shift($argumentNames);
-                // Fill argument values
-                $argumentNames = array_flip($argumentNames);
-
-                $arguments = array_intersect_key($arguments, $argumentNames);
-
-                return join(',', empty($arguments)? []: array_values($arguments));
+                return $filterProvider->processFilterArguments($filterName, $arguments);
             }
         }
 
+        throw new MissingBladeFilterException(sprintf('Blade filter %s not exists', $filterName));
     }
 
     private function getContainer(string $filterName): string

src/FilterProvider/FilterProviderInterface.php

@@ -13,14 +13,13 @@ interface FilterProviderInterface
     public function hasFilter(string $filterName): bool;
 
     /**
-     * Get filter argument names sorted in order
-     * Only used in blade compile phrase
+     * Process filter arguments
      *
      * @param string $filterName
-     *
-     * @return array
+     * @param array $filterArguments
+     * @return string
      */
-    public function getFilterArgumentNames(string $filterName): array;
+    public function processFilterArguments(string $filterName, array $filterArguments): string;
 
     /**
      * The stringified container for the filter to run

src/FilterProvider/StaticMacroableFilterProvider.php

@@ -29,7 +29,38 @@ public function hasFilter(string $filterName): bool
     /**
      * {@inheritDoc}
      */
-    public function getFilterArgumentNames(string $filterName): array
+    public function processFilterArguments(string $filterName, array $filterArguments): string
+    {
+        $argumentNames = $this->getFilterArgumentNames($filterName);
+
+        // Remove the first argument, because the first argument is the value being filtered.
+        array_shift($argumentNames);
+        // Fill argument values
+        $argumentNames = array_flip($argumentNames);
+
+        $arguments = array_intersect_key($filterArguments, $argumentNames);
+
+        return join(',', empty($arguments)? []: array_values($arguments));
+    }
+
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getContainer(): string
+    {
+        return sprintf('%s::', $this->class);
+    }
+
+    /**
+     * Get filter argument names sorted in order
+     * Only used in blade compile phrase
+     *
+     * @param string $filterName
+     *
+     * @return array
+     */
+    protected function getFilterArgumentNames(string $filterName): array
     {
         $ref = new \ReflectionClass($this->class);
         $method  = null;
@@ -40,19 +71,11 @@ public function getFilterArgumentNames(string $filterName): array
             $micros = $ref->getStaticProperties();
             $method = new \ReflectionFunction($micros['macros'][$filterName]);
         } else {
-            throw new MissingBladeFilterException(sprintf('Blade filter %s not exists', $filterName));
+            throw new MissingBladeFilterException(sprintf('Blade filter %s not exists in class %s', $filterName, $this->class));
         }
 
         return array_map(function($param) {
             return $param->name;
         }, $method->getParameters());
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function getContainer(): string
-    {
-        return sprintf('%s::', $this->class);
-    }
 }