From 777c232e162b1ea1d563821fb8ded3c0450db1a3 Mon Sep 17 00:00:00 2001
From: Matthew Olsson <matthewcolsson@gmail.com>
Date: Sun, 23 May 2021 16:14:48 -0700
Subject: [PATCH] AK: Add String::repeated(StringView, size_t count)

---
 AK/String.cpp | 12 ++++++++++++
 AK/String.h   |  1 +
 2 files changed, 13 insertions(+)

diff --git a/AK/String.cpp b/AK/String.cpp
index ed5b51a4f3a..f8301e5bded 100644
--- a/AK/String.cpp
+++ b/AK/String.cpp
@@ -234,6 +234,7 @@ bool String::ends_with(char ch) const
         return false;
     return characters()[length() - 1] == ch;
 }
+
 String String::repeated(char ch, size_t count)
 {
     if (!count)
@@ -244,6 +245,17 @@ String String::repeated(char ch, size_t count)
     return *impl;
 }
 
+String String::repeated(const StringView& string, size_t count)
+{
+    if (!count || string.is_empty())
+        return empty();
+    char* buffer;
+    auto impl = StringImpl::create_uninitialized(count * string.length(), buffer);
+    for (size_t i = 0; i < count; i++)
+        __builtin_memcpy(buffer + i * string.length(), string.characters_without_null_termination(), string.length());
+    return *impl;
+}
+
 String String::bijective_base_from(size_t value, unsigned base, StringView map)
 {
     if (map.is_null())
diff --git a/AK/String.h b/AK/String.h
index 9a9ed106782..56ef4162001 100644
--- a/AK/String.h
+++ b/AK/String.h
@@ -92,6 +92,7 @@ public:
     String(const FlyString&);
 
     [[nodiscard]] static String repeated(char, size_t count);
+    [[nodiscard]] static String repeated(const StringView&, size_t count);
 
     [[nodiscard]] static String bijective_base_from(size_t value, unsigned base = 26, StringView map = {});