From 6cde7e4d20be4f244da16ab9f354628588964d1c Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 17 May 2020 13:02:27 +0200
Subject: [PATCH] AK: Add Utf8View::length_in_codepoints()

---
 AK/Utf8View.cpp | 10 ++++++++++
 AK/Utf8View.h   |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/AK/Utf8View.cpp b/AK/Utf8View.cpp
index 90b56be2a5..b7bdbd43bc 100644
--- a/AK/Utf8View.cpp
+++ b/AK/Utf8View.cpp
@@ -132,6 +132,16 @@ bool Utf8View::validate() const
     return true;
 }
 
+size_t Utf8View::length_in_codepoints() const
+{
+    size_t length = 0;
+    for (auto codepoint : *this) {
+        (void)codepoint;
+        ++length;
+    }
+    return length;
+}
+
 Utf8CodepointIterator::Utf8CodepointIterator(const unsigned char* ptr, int length)
     : m_ptr(ptr)
     , m_length(length)
diff --git a/AK/Utf8View.h b/AK/Utf8View.h
index 1a4a26ae09..5946a6f5e5 100644
--- a/AK/Utf8View.h
+++ b/AK/Utf8View.h
@@ -72,6 +72,8 @@ public:
 
     bool validate() const;
 
+    size_t length_in_codepoints() const;
+
 private:
     const unsigned char* begin_ptr() const;
     const unsigned char* end_ptr() const;