Merge pull request #3650 from Karlson2k/fix_pcre_utf8

[vuplus_xbmc] / xbmc / utils / StringUtils.h

diff --git a/xbmc/utils/StringUtils.h b/xbmc/utils/StringUtils.h
index 4f5d891..54c835a 100644 (file)
--- a/xbmc/utils/StringUtils.h
+++ b/xbmc/utils/StringUtils.h
@@ -125,6 +125,32 @@ public:
    \return true if the string is an integer, false otherwise.
    */
   static bool IsInteger(const CStdString& str);
+
+  /* The next several isasciiXX and asciiXXvalue functions are locale independent (US-ASCII only),
+   * as opposed to standard ::isXX (::isalpha, ::isdigit...) which are locale dependent.
+   * Next functions get parameter as char and don't need double cast ((int)(unsigned char) is required for standard functions). */
+  inline static bool isasciidigit(char chr) // locale independent 
+  {
+    return chr >= '0' && chr <= '9'; 
+  }
+  inline static bool isasciixdigit(char chr) // locale independent 
+  {
+    return (chr >= '0' && chr <= '9') || (chr >= 'a' && chr <= 'f') || (chr >= 'A' && chr <= 'F'); 
+  }
+  static int asciidigitvalue(char chr); // locale independent 
+  static int asciixdigitvalue(char chr); // locale independent 
+  inline static bool isasciiuppercaseletter(char chr) // locale independent
+  {
+    return (chr >= 'A' && chr <= 'Z'); 
+  }
+  inline static bool isasciilowercaseletter(char chr) // locale independent
+  {
+    return (chr >= 'a' && chr <= 'z'); 
+  }
+  inline static bool isasciialphanum(char chr) // locale independent
+  {
+    return isasciiuppercaseletter(chr) || isasciilowercaseletter(chr) || isasciidigit(chr); 
+  }
   static CStdString SizeToString(int64_t size);
   static const CStdString EmptyString;
   static const std::string Empty;