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Unified Diff: core/include/fxcrt/fx_ext.h

Issue 1530763005: Correctly extracting email addresses (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: more comments Created 5 years ago
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Index: core/include/fxcrt/fx_ext.h
diff --git a/core/include/fxcrt/fx_ext.h b/core/include/fxcrt/fx_ext.h
index e8d8bc7b5fc7badd922918afaef82cc586d02b53..a4a92d2fb06a616e7b67d676129ee69580100c01 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))
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