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Diffstat (limited to '')
| -rw-r--r-- | src/lib/icu/Collate.cxx | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/lib/icu/Collate.cxx b/src/lib/icu/Collate.cxx index 0df305130..97a5766d8 100644 --- a/src/lib/icu/Collate.cxx +++ b/src/lib/icu/Collate.cxx @@ -172,6 +172,35 @@ IcuCaseFold(const char *src) auto result = UCharToUTF8({folded, folded_length}); delete[] folded; return result; + +#elif defined(WIN32) + const auto u = MultiByteToWideChar(CP_UTF8, src); + if (u.IsNull()) + return AllocatedString<>::Duplicate(src); + + const int size = LCMapStringEx(LOCALE_NAME_INVARIANT, + LCMAP_SORTKEY|LINGUISTIC_IGNORECASE, + u.c_str(), -1, nullptr, 0, + nullptr, nullptr, 0); + if (size <= 0) + return AllocatedString<>::Duplicate(src); + + auto buffer = new wchar_t[size]; + if (LCMapStringEx(LOCALE_NAME_INVARIANT, + LCMAP_SORTKEY|LINGUISTIC_IGNORECASE, + u.c_str(), -1, buffer, size, + nullptr, nullptr, 0) <= 0) { + delete[] buffer; + return AllocatedString<>::Duplicate(src); + } + + auto result = WideCharToMultiByte(CP_UTF8, buffer); + delete[] buffer; + if (result.IsNull()) + return AllocatedString<>::Duplicate(src); + + return result; + #elif defined(HAVE_GLIB) char *tmp = g_utf8_casefold(src, -1); auto result = AllocatedString<>::Duplicate(tmp); |