Fix issue

kunitoki · kunitoki · commit b2e93c0d16d7 · 2025-06-16T17:44:55.000+02:00
diff --git a/modules/yup_core/text/yup_CharacterFunctions.cpp b/modules/yup_core/text/yup_CharacterFunctions.cpp
@@ -357,12 +357,14 @@ yup_wchar CharacterFunctions::toLowerCase (const yup_wchar character) noexcept
 
 bool CharacterFunctions::isUpperCase (const yup_wchar character) noexcept
 {
-    return upperCaseToLowerCaseMap().find (character) != std::cend (upperCaseToLowerCaseMap());
+    return upperCaseToLowerCaseMap().find (character) != std::cend (upperCaseToLowerCaseMap())
+        || iswupper ((wint_t) character) != 0;
 }
 
 bool CharacterFunctions::isLowerCase (const yup_wchar character) noexcept
 {
-    return lowerCaseToUpperCaseMap().find (character) != std::cend (lowerCaseToUpperCaseMap());
+    return lowerCaseToUpperCaseMap().find (character) != std::cend (lowerCaseToUpperCaseMap())
+        || iswlower ((wint_t) character) != 0;
 }
 
 YUP_END_IGNORE_WARNINGS_MSVC

Original file line number	Diff line number	Diff line change
`@@ -357,12 +357,14 @@ yup_wchar CharacterFunctions::toLowerCase (const yup_wchar character) noexcept`
`357`	`357`
`358`	`358`	`bool CharacterFunctions::isUpperCase (const yup_wchar character) noexcept`
`359`	`359`	`{`
`360`		`- return upperCaseToLowerCaseMap().find (character) != std::cend (upperCaseToLowerCaseMap());`
	`360`	`+ return upperCaseToLowerCaseMap().find (character) != std::cend (upperCaseToLowerCaseMap())`
	`361`	`+ \|\| iswupper ((wint_t) character) != 0;`
`361`	`362`	`}`
`362`	`363`
`363`	`364`	`bool CharacterFunctions::isLowerCase (const yup_wchar character) noexcept`
`364`	`365`	`{`
`365`		`- return lowerCaseToUpperCaseMap().find (character) != std::cend (lowerCaseToUpperCaseMap());`
	`366`	`+ return lowerCaseToUpperCaseMap().find (character) != std::cend (lowerCaseToUpperCaseMap())`
	`367`	`+ \|\| iswlower ((wint_t) character) != 0;`
`366`	`368`	`}`
`367`	`369`
`368`	`370`	`YUP_END_IGNORE_WARNINGS_MSVC`