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LibUnicode: Move helper to convert StringEnumeration to a list to ICU.h

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This will be needed outside of UnicodeKeywords.cpp.
This commit is contained in:
Timothy Flynn 2024-06-24 10:22:41 -04:00 committed by Andreas Kling
parent 8331a87f6c
commit c379b35798
Notes: sideshowbarker 2024-07-17 23:02:37 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/c379b35798
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/281
2 changed files with 32 additions and 30 deletions
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32
Userland/Libraries/LibUnicode/ICU.h
View File

@ -12,9 +12,11 @@
#include <AK/OwnPtr.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/Vector.h>
#include <LibUnicode/DurationFormat.h>
#include <unicode/locid.h>
#include <unicode/strenum.h>
#include <unicode/stringpiece.h>
#include <unicode/unistr.h>
#include <unicode/utypes.h>
@ -88,4 +90,34 @@ Vector<icu::UnicodeString> icu_string_list(ReadonlySpan<String> strings);
String icu_string_to_string(icu::UnicodeString const& string);
String icu_string_to_string(UChar const*, i32 length);
template<typename Filter>
Vector<String> icu_string_enumeration_to_list(OwnPtr<icu::StringEnumeration> enumeration, Filter&& filter)
{
UErrorCode status = U_ZERO_ERROR;
Vector<String> result;
if (!enumeration)
return {};
while (true) {
i32 length = 0;
auto const* keyword = enumeration->next(&length, status);
if (icu_failure(status) || keyword == nullptr)
break;
if (!filter(keyword))
continue;
result.append(MUST(String::from_utf8({ keyword, static_cast<size_t>(length) })));
}
return result;
}
ALWAYS_INLINE Vector<String> icu_string_enumeration_to_list(OwnPtr<icu::StringEnumeration> enumeration)
{
return icu_string_enumeration_to_list(move(enumeration), [](char const*) { return true; });
}
}

30
Userland/Libraries/LibUnicode/UnicodeKeywords.cpp
View File

@ -20,36 +20,6 @@
namespace Unicode {
template<typename Filter>
static Vector<String> icu_string_enumeration_to_list(OwnPtr<icu::StringEnumeration> enumeration, Filter&& filter)
{
UErrorCode status = U_ZERO_ERROR;
Vector<String> result;
if (!enumeration)
return {};
while (true) {
i32 length = 0;
auto const* keyword = enumeration->next(&length, status);
if (icu_failure(status) || keyword == nullptr)
break;
if (!filter(keyword))
continue;
result.append(MUST(String::from_utf8({ keyword, static_cast<size_t>(length) })));
}
return result;
}
static Vector<String> icu_string_enumeration_to_list(OwnPtr<icu::StringEnumeration> enumeration)
{
return icu_string_enumeration_to_list(move(enumeration), [](char const*) { return true; });
}
Vector<String> available_keyword_values(StringView locale, StringView key)
{
if (key == "ca"sv)