AK: Add invert_case() and invert_case(StringView)

In the given String, invert_case() swaps lowercase characters with uppercase ones and vice versa.
Author: https://github.com/huttongrabiel Commit: 8ffa860bc3 Pull-request: https://github.com/SerenityOS/serenity/pull/14105 Reviewed-by: https://github.com/2xsaiko
2025-07-28 11:49:44 +00:00 · 2022-05-18 22:23:45 -07:00 · 2022-05-18 22:23:45 -07:00 · 8ffa860bc3 · 2024-07-17 10:37:41 +09:00
commit 8ffa860bc3
parent b1709c368f
4 changed files with 21 additions and 0 deletions
--- a/AK/String.cpp
+++ b/AK/String.cpp
@ -388,6 +388,11 @@ String String::to_titlecase() const
    return StringUtils::to_titlecase(*this);
 }

+String String::invert_case() const
+{
+    return StringUtils::invert_case(*this);
+}
+
 bool operator<(char const* characters, String const& string)
 {
    return string.view() > characters;