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-rw-r--r--core/include/fxcrt/fx_ext.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/core/include/fxcrt/fx_ext.h b/core/include/fxcrt/fx_ext.h
index e8d8bc7b5f..a4a92d2fb0 100644
--- a/core/include/fxcrt/fx_ext.h
+++ b/core/include/fxcrt/fx_ext.h
@@ -36,6 +36,15 @@ inline int32_t FXSYS_tolower(int32_t ch) {
inline int32_t FXSYS_toupper(int32_t ch) {
return ch < 'a' || ch > 'z' ? ch : (ch - 0x20);
}
+inline FX_BOOL FXSYS_iswalpha(wchar_t wch) {
+ return (wch >= L'A' && wch <= L'Z') || (wch >= L'a' && wch <= L'z');
+}
+inline FX_BOOL FXSYS_iswdigit(wchar_t wch) {
+ return wch >= L'0' && wch <= L'9';
+}
+inline FX_BOOL FXSYS_iswalnum(wchar_t wch) {
+ return FXSYS_iswalpha(wch) || FXSYS_iswdigit(wch);
+}
inline int FXSYS_toHexDigit(const FX_CHAR c) {
if (!std::isxdigit(c))