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serenity/Userland/Applications/CharacterMap/SearchCharacters.h
Linus Groh 6e19ab2bbc AK+Everywhere: Rename String to DeprecatedString
We have a new, improved string type coming up in AK (OOM aware, no null
state), and while it's going to use UTF-8, the name UTF8String is a
mouthful - so let's free up the String name by renaming the existing
class.
Making the old one have an annoying name will hopefully also help with
quick adoption :^)
2022-12-06 08:54:33 +01:00

26 lines
1 KiB
C++

/*
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <LibUnicode/CharacterTypes.h>
template<typename Callback>
void for_each_character_containing(StringView query, Callback callback)
{
DeprecatedString uppercase_query = query.to_uppercase_string();
StringView uppercase_query_view = uppercase_query.view();
constexpr u32 maximum_code_point = 0x10FFFF;
// FIXME: There's probably a better way to do this than just looping, but it still only takes ~150ms to run for me!
for (u32 code_point = 1; code_point <= maximum_code_point; ++code_point) {
if (auto maybe_display_name = Unicode::code_point_display_name(code_point); maybe_display_name.has_value()) {
auto display_name = maybe_display_name.release_value();
if (display_name.contains(uppercase_query_view, AK::CaseSensitivity::CaseSensitive))
callback(code_point, move(display_name));
}
}
}