mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-05 07:39:16 +00:00
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2025, Tim Flynn <trflynn89@ladybird.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Utf16String.h>
|
|
#include <LibUnicode/ICU.h>
|
|
|
|
#include <unicode/stringoptions.h>
|
|
#include <unicode/translit.h>
|
|
#include <unicode/unistr.h>
|
|
|
|
// This file contains definitions of AK::Utf16String methods which require UCD data.
|
|
|
|
namespace AK {
|
|
|
|
Utf16String Utf16String::to_lowercase(Optional<StringView> const& locale) const
|
|
{
|
|
if (has_ascii_storage() && !locale.has_value())
|
|
return to_ascii_lowercase();
|
|
|
|
Optional<Unicode::LocaleData&> locale_data;
|
|
if (locale.has_value())
|
|
locale_data = Unicode::LocaleData::for_locale(*locale);
|
|
|
|
auto icu_string = Unicode::icu_string(*this);
|
|
locale_data.has_value() ? icu_string.toLower(locale_data->locale()) : icu_string.toLower();
|
|
|
|
return Unicode::icu_string_to_utf16_string(icu_string);
|
|
}
|
|
|
|
Utf16String Utf16String::to_uppercase(Optional<StringView> const& locale) const
|
|
{
|
|
if (has_ascii_storage() && !locale.has_value())
|
|
return to_ascii_uppercase();
|
|
|
|
Optional<Unicode::LocaleData&> locale_data;
|
|
if (locale.has_value())
|
|
locale_data = Unicode::LocaleData::for_locale(*locale);
|
|
|
|
auto icu_string = Unicode::icu_string(*this);
|
|
locale_data.has_value() ? icu_string.toUpper(locale_data->locale()) : icu_string.toUpper();
|
|
|
|
return Unicode::icu_string_to_utf16_string(icu_string);
|
|
}
|
|
|
|
Utf16String Utf16String::to_titlecase(Optional<StringView> const& locale, TrailingCodePointTransformation trailing_code_point_transformation) const
|
|
{
|
|
Optional<Unicode::LocaleData&> locale_data;
|
|
if (locale.has_value())
|
|
locale_data = Unicode::LocaleData::for_locale(*locale);
|
|
|
|
u32 options = 0;
|
|
if (trailing_code_point_transformation == TrailingCodePointTransformation::PreserveExisting)
|
|
options |= U_TITLECASE_NO_LOWERCASE;
|
|
|
|
auto icu_string = Unicode::icu_string(*this);
|
|
locale_data.has_value()
|
|
? icu_string.toTitle(nullptr, locale_data->locale(), options)
|
|
: icu_string.toTitle(nullptr, icu::Locale::getDefault(), options);
|
|
|
|
return Unicode::icu_string_to_utf16_string(icu_string);
|
|
}
|
|
|
|
Utf16String Utf16String::to_casefold() const
|
|
{
|
|
auto icu_string = Unicode::icu_string(*this);
|
|
icu_string.foldCase();
|
|
|
|
return Unicode::icu_string_to_utf16_string(icu_string);
|
|
}
|
|
|
|
Utf16String Utf16String::to_fullwidth() const
|
|
{
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
auto const transliterator = adopt_own_if_nonnull(icu::Transliterator::createInstance("Halfwidth-Fullwidth", UTRANS_FORWARD, status));
|
|
VERIFY(Unicode::icu_success(status));
|
|
|
|
auto icu_string = Unicode::icu_string(*this);
|
|
transliterator->transliterate(icu_string);
|
|
|
|
return Unicode::icu_string_to_utf16_string(icu_string);
|
|
}
|
|
|
|
}
|