Fea #66, 添加FindNLSStringEx（让.NET 8/9 支持 Windows XP）

ThunksList.md

@@ -530,6 +530,7 @@
 | GetCalendarInfoEx | 不存在时，调用GetCalendarInfoW。
 | GetNLSVersionEx | 不存在时，返回一个假版本。
 | IsNLSDefinedString | 不存在时，调用GetStringTypeW。
+| FindNLSStringEx | 调用 CompareStringW。
 | SetProcessWorkingSetSizeEx | 不存在时，调用SetProcessWorkingSetSize。
 | GetProcessWorkingSetSizeEx | 不存在时，调用GetProcessWorkingSetSize。
 | GetTimeZoneInformationForYear | 不存在时，直接读取`Time Zones`注册表。

src/Thunks/api-ms-win-core-localization.hpp

@@ -2537,4 +2537,138 @@
 
  }
 #endif
+
+
+#if (YY_Thunks_Target < __WindowsNT6)
+
+ // 最低受支持的客户端 Windows Vista [桌面应用 | UWP 应用]
+ // 最低受支持的服务器 Windows Server 2008[桌面应用 | UWP 应用]
+ __DEFINE_THUNK(
+ kernel32,
+ 40,
+ int,
+ WINAPI,
+ FindNLSStringEx,
+ _In_opt_ LPCWSTR _szLocaleName,
+ _In_ DWORD _fFindNLSStringFlags,
+ _In_reads_(_cchSource) LPCWSTR _szStringSource,
+ _In_ int _cchSource,
+ _In_reads_(_cchValue) LPCWSTR _szStringValue,
+ _In_ int _cchValue,
+ _Out_opt_ LPINT _pcchFound,
+ _In_opt_ LPNLSVERSIONINFO _pVersionInformation,
+ _In_opt_ LPVOID _pReserved,
+ _In_opt_ LPARAM _hSortHandle
+ )
+ {
+ if (auto const _pfnFindNLSStringEx = try_get_FindNLSStringEx())
+ {
+ return _pfnFindNLSStringEx(_szLocaleName, _fFindNLSStringFlags, _szStringSource, _cchSource, _szStringValue, _cchValue, _pcchFound, _pVersionInformation, _pReserved, _hSortHandle);
+ }
+
+ __WarningMessage__("FindNLSStringEx 暂时只支持搜索 _cchValue 的子字符串。");
+
+ if (_pVersionInformation || _pReserved|| _hSortHandle
+ || _szStringSource == nullptr || _cchSource == 0 || _cchSource < -1
+ || _szStringValue == nullptr || _cchValue == 0 || _cchValue < -1)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return -1;
+ }
+
+ const auto _Locale = LocaleNameToLCID(_szLocaleName, 0);
+ if (_Locale == 0)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return -1;
+ }
+
+ if (_cchSource == -1)
+ {
+ _cchSource = wcslen(_szStringSource);
+ }
+
+ if (_cchValue == -1)
+ {
+ _cchValue = wcslen(_szStringValue);
+ }
+
+ if (_cchSource < _cchValue)
+ return -1;
+
+ const DWORD _fCmpFlags = _fFindNLSStringFlags & ~(FIND_STARTSWITH | FIND_ENDSWITH | FIND_FROMSTART | FIND_FROMEND);
+ if (_fFindNLSStringFlags & (FIND_FROMSTART | FIND_STARTSWITH))
+ {
+ // 从头开始搜索
+ if (_fFindNLSStringFlags & FIND_STARTSWITH)
+ {
+ const auto _nResult = CompareStringW(_Locale, _fCmpFlags, _szStringSource, _cchValue, _szStringValue, _cchValue);
+ if (_nResult == CSTR_EQUAL)
+ {
+ if (_pcchFound)
+ *_pcchFound = _cchValue;
+
+ return 0;
+ }
+ }
+ else
+ {
+ auto _szStr = _szStringSource;
+ auto _szStrEnd = _szStringSource + _cchSource - _cchValue + 1;
+ for (; _szStr != _szStrEnd;++_szStr)
+ {
+ const auto _nResult = CompareStringW(_Locale, _fCmpFlags, _szStr, _cchValue, _szStringValue, _cchValue);
+ if (_nResult == 0)
+ return -1;
+
+ if (_nResult == CSTR_EQUAL)
+ {
+ if (_pcchFound)
+ *_pcchFound = _cchValue;
+
+ return _szStr - _szStringSource;
+ }
+ }
+ }
+ }
+ else
+ {
+ // 反向搜索
+ auto _szStr = _szStringSource + _cchSource - _cchValue;
+ if (_fFindNLSStringFlags & FIND_ENDSWITH)
+ {
+ const auto _nResult = CompareStringW(_Locale, _fCmpFlags, _szStr, _cchValue, _szStringValue, _cchValue);
+ if (_nResult == CSTR_EQUAL)
+ {
+ if (_pcchFound)
+ *_pcchFound = _cchValue;
+
+ return _szStr - _szStringSource;
+ }
+ }
+ else
+ {
+ for(;; --_szStr)
+ {
+ const auto _nResult = CompareStringW(_Locale, _fCmpFlags, _szStr, _cchValue, _szStringValue, _cchValue);
+ if (_nResult == 0)
+ return -1;
+
+ if (_nResult == CSTR_EQUAL)
+ {
+ if (_pcchFound)
+ *_pcchFound = _cchValue;
+
+ return _szStr - _szStringSource;
+ }
+
+ if (_szStr == _szStringSource)
+ break;
+ } 
+ }
+ }
+
+ return -1;
+ }
+#endif
 } //namespace YY