1 files changed, 80 insertions, 0 deletions
diff --git a/vendor/codeberg.org/gruf/go-mangler/v2/map.go b/vendor/codeberg.org/gruf/go-mangler/v2/map.go
new file mode 100644
index 000000000..986aca4b0
--- /dev/null
+++ b/vendor/codeberg.org/gruf/go-mangler/v2/map.go
@@ -0,0 +1,80 @@
+package mangler
+
+import (
+	"unsafe"
+
+	"codeberg.org/gruf/go-xunsafe"
+)
+
+// iterMapType returns a Mangler capable of iterating
+// and mangling the given map type currently in TypeIter{}.
+// note this will fetch sub-Manglers for key / value types.
+func iterMapType(t xunsafe.TypeIter) Mangler {
+
+	// Key / value types.
+	key := t.Type.Key()
+	elem := t.Type.Elem()
+
+	// Get nested k / v TypeIters with appropriate flags.
+	flagsKey := xunsafe.ReflectMapKeyFlags(key)
+	flagsVal := xunsafe.ReflectMapElemFlags(elem)
+	kt := t.Child(key, flagsKey)
+	vt := t.Child(elem, flagsVal)
+
+	// Get key mangler.
+	kfn := loadOrGet(kt)
+	if kfn == nil {
+		return nil
+	}
+
+	// Get value mangler.
+	vfn := loadOrGet(vt)
+	if vfn == nil {
+		return nil
+	}
+
+	// Final map type.
+	rtype := t.Type
+	flags := t.Flag
+
+	return func(buf []byte, ptr unsafe.Pointer) []byte {
+		if ptr == nil || *(*unsafe.Pointer)(ptr) == nil {
+			// Append nil indicator.
+			buf = append(buf, '0')
+			return buf
+		}
+
+		// Build reflect value, and then a map iterator.
+		v := xunsafe.BuildReflectValue(rtype, ptr, flags)
+		i := xunsafe.GetMapIter(v)
+
+		// Before len.
+		l := len(buf)
+
+		// Append not-nil flag.
+		buf = append(buf, '1')
+
+		for i.Next() {
+			// Pass to map key func.
+			ptr = xunsafe.Map_Key(i)
+			buf = kfn(buf, ptr)
+
+			// Add key seperator.
+			buf = append(buf, ':')
+
+			// Pass to map elem func.
+			ptr = xunsafe.Map_Elem(i)
+			buf = vfn(buf, ptr)
+
+			// Add comma seperator.
+			buf = append(buf, ',')
+		}
+
+		if len(buf) != l {
+			// Drop final comma.
+			buf = buf[:len(buf)-1]
+		}
+
+		return buf
+	}
+}