From c41e7e63a3d0a4ebe90a536d4c7e7956a3581f02 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 12 Sep 2020 00:53:51 +0800
Subject: ...

---
 include/cru/platform/GraphBase.hpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'include/cru/platform/GraphBase.hpp')

diff --git a/include/cru/platform/GraphBase.hpp b/include/cru/platform/GraphBase.hpp
index 9f3f8393..186ee9d0 100644
--- a/include/cru/platform/GraphBase.hpp
+++ b/include/cru/platform/GraphBase.hpp
@@ -258,7 +258,7 @@ struct TextRange final {
   gsl::index GetStart() const { return position; }
   gsl::index GetEnd() const { return position + count; }
 
-  void SetEnd(gsl::index new_end) { count = new_end - position; }
+  void AdjustEnd(gsl::index new_end) { count = new_end - position; }
 
   TextRange Normalize() const {
     auto result = *this;
@@ -269,6 +269,13 @@ struct TextRange final {
     return result;
   }
 
+  TextRange CoerceInto(gsl::index min, gsl::index max) const {
+    auto coerce = [min, max](gsl::index index) {
+      return index > max ? max : (index < min ? min : index);
+    };
+    return TextRange::FromTwoSides(coerce(GetStart()), coerce(GetEnd()));
+  }
+
   gsl::index position = 0;
   gsl::index count = 0;
 };
-- 
cgit v1.2.3