1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/ipl/stdlib/src/Filters.php b/vendor/ipl/stdlib/src/Filters.php
new file mode 100644
index 0000000..defff43
--- /dev/null
+++ b/vendor/ipl/stdlib/src/Filters.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace ipl\Stdlib;
+
+trait Filters
+{
+    /** @var Filter\Chain */
+    protected $filter;
+
+    public function getFilter()
+    {
+        return $this->filter ?: Filter::all();
+    }
+
+    public function filter(Filter\Rule $filter)
+    {
+        $currentFilter = $this->getFilter();
+        if ($currentFilter instanceof Filter\All) {
+            $this->filter = $currentFilter->add($filter);
+        } else {
+            $this->filter = Filter::all($filter);
+            if (! $currentFilter->isEmpty()) {
+                $this->filter->insertBefore($currentFilter, $filter);
+            }
+        }
+
+        return $this;
+    }
+
+    public function orFilter(Filter\Rule $filter)
+    {
+        $currentFilter = $this->getFilter();
+        if ($currentFilter instanceof Filter\Any) {
+            $this->filter = $currentFilter->add($filter);
+        } else {
+            $this->filter = Filter::any($filter);
+            if (! $currentFilter->isEmpty()) {
+                $this->filter->insertBefore($currentFilter, $filter);
+            }
+        }
+
+        return $this;
+    }
+
+    public function notFilter(Filter\Rule $filter)
+    {
+        $this->filter(Filter::none($filter));
+
+        return $this;
+    }
+
+    public function orNotFilter(Filter\Rule $filter)
+    {
+        $this->orFilter(Filter::none($filter));
+
+        return $this;
+    }
+}