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Add windows implementation for ToUpper

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Ted John
2018-05-14 22:07:05 +01:00
committed by Aaron van Geffen
parent 392459f038
commit 386ab1b0fa
2 changed files with 49 additions and 8 deletions
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53
src/openrct2/core/String.cpp
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@@ -79,10 +79,10 @@ namespace String
return result;
}
std::wstring ToUtf16(const std::string &s)
std::wstring ToUtf16(const std::string_view& s)
{
std::wstring result;
wchar_t * wcstr = utf8_to_widechar(s.c_str());
wchar_t * wcstr = utf8_to_widechar(s.data());
if (wcstr != nullptr)
{
result = std::wstring(wcstr);
@@ -647,12 +647,53 @@ namespace String
#endif
}
std::string ToUpper(const utf8 * src)
std::string ToUpper(const std::string_view& src)
{
#ifdef _WIN32
// TODO: LCMapStringEx on Windows.
STUB();
return String::ToStd(src);
auto srcW = ToUtf16(src);
auto dstW = std::wstring();
// Keep doubling the buffer size until transformed string fits (max 10 times)
size_t bufferLength = src.size();
for (size_t i = 0; i < 10; i++)
{
// Double buffer size
bufferLength *= 2;
dstW.resize(bufferLength);
// Transform the string
auto result = LCMapStringEx(
LOCALE_NAME_USER_DEFAULT,
LCMAP_UPPERCASE | LCMAP_LINGUISTIC_CASING,
srcW.c_str(),
(int)srcW.length(),
dstW.data(),
(int)dstW.capacity(),
nullptr,
nullptr,
0);
if (result == 0)
{
// Check the error
auto error = GetLastError();
if (error == ERROR_INSUFFICIENT_BUFFER)
{
continue;
}
else
{
log_warning("LCMapStringEx failed with %d", error);
return std::string(src);
}
}
else
{
dstW.resize(result);
return String::ToUtf8(dstW);
}
}
log_warning("LCMapStringEx loop exceeded");
return std::string(src);
#else
icu::UnicodeString str = icu::UnicodeString::fromUTF8(src);
str.toUpper();