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Vault
4.1
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vchar.h
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00001 /* 00002 Copyright c1997-2014 Trygve Isaacson. All rights reserved. 00003 This file is part of the Code Vault version 4.1 00004 http://www.bombaydigital.com/ 00005 License: MIT. See LICENSE.md in the Vault top level directory. 00006 */ 00007 00008 #ifndef vchar_h 00009 #define vchar_h 00010 00013 #include "vtypes.h" 00014 00016 #define VCHAR_NULL_TERMINATOR '\0' 00017 00035 class VChar { 00036 public: 00037 00041 static const VChar& NULL_CHAR(); 00042 00046 VChar(); 00051 VChar(char c); 00057 VChar(int i); 00058 00063 VChar& operator=(char c); 00068 VChar& operator=(int i); 00069 00074 bool isLowerCase() const; 00079 VChar lowerCase() const; 00083 void toLowerCase(); 00088 bool isUpperCase() const; 00093 VChar upperCase() const; 00097 void toUpperCase(); 00102 char charValue() const; 00107 int intValue() const; 00112 void set(char c); 00117 void set(int i); 00122 operator char() const; 00123 00124 // These utilities only make sense for simple ASCII parsing purposes; 00125 // they only look at values in the base ASCII range below 128. 00126 bool isAlpha() const; 00127 bool isNumeric() const; 00128 bool isAlphaNumeric() const; 00129 bool isWhitespace() const; 00130 bool isHexadecimal() const; 00131 00132 static bool equalsIgnoreCase(const VChar& c1, const VChar& c2); 00133 static bool equalsIgnoreCase(const VChar& c1, char c2); 00134 static bool equalsIgnoreCase(char c1, const VChar& c2); 00135 static bool equalsIgnoreCase(char c1, char c2); 00136 00137 friend inline bool operator==(const VChar& lhs, const VChar& rhs); 00138 #ifndef VPLATFORM_DISALLOW_VCHAR_OPERATOR_EQUALS_CHAR 00139 friend inline bool operator==(const VChar& lhs, char rhs); 00140 friend inline bool operator==(char lhs, const VChar& rhs); 00141 #endif 00142 00143 friend inline bool operator!=(const VChar& lhs, const VChar& rhs); 00144 #ifndef VPLATFORM_DISALLOW_VCHAR_OPERATOR_EQUALS_CHAR 00145 friend inline bool operator!=(const VChar& lhs, char rhs); 00146 friend inline bool operator!=(char lhs, const VChar& rhs); 00147 #endif 00148 00149 friend inline bool operator<(const VChar& lhs, const VChar& rhs); 00150 friend inline bool operator<(const VChar& lhs, char rhs); 00151 friend inline bool operator<(char lhs, const VChar& rhs); 00152 00153 friend inline bool operator<=(const VChar& lhs, const VChar& rhs); 00154 friend inline bool operator<=(const VChar& lhs, char rhs); 00155 friend inline bool operator<=(char lhs, const VChar& rhs); 00156 00157 friend inline bool operator>=(const VChar& lhs, const VChar& rhs); 00158 friend inline bool operator>=(const VChar& lhs, char rhs); 00159 friend inline bool operator>=(char lhs, const VChar& rhs); 00160 00161 friend inline bool operator>(const VChar& lhs, const VChar& rhs); 00162 friend inline bool operator>(const VChar& lhs, char rhs); 00163 friend inline bool operator>(char lhs, const VChar& rhs); 00164 00165 private: 00166 00167 char mValue; 00168 }; 00169 00170 inline bool operator==(const VChar& lhs, const VChar& rhs) { return lhs.mValue == rhs.mValue; } 00171 #ifndef VPLATFORM_DISALLOW_VCHAR_OPERATOR_EQUALS_CHAR 00172 inline bool operator==(const VChar& lhs, char rhs) { return lhs.mValue == rhs; } 00173 inline bool operator==(char lhs, const VChar& rhs) { return lhs == rhs.mValue; } 00174 #endif 00175 00176 inline bool operator!=(const VChar& lhs, const VChar& rhs) { return !operator==(lhs, rhs); } 00177 #ifndef VPLATFORM_DISALLOW_VCHAR_OPERATOR_EQUALS_CHAR 00178 inline bool operator!=(const VChar& lhs, char rhs) { return !operator==(lhs, rhs); } 00179 inline bool operator!=(char lhs, const VChar& rhs) { return !operator==(lhs, rhs); } 00180 #endif 00181 00182 inline bool operator<(const VChar& lhs, const VChar& rhs) { return lhs.mValue < rhs.mValue; } 00183 inline bool operator<(const VChar& lhs, char rhs) { return lhs.mValue < rhs; } 00184 inline bool operator<(char lhs, const VChar& rhs) { return lhs < rhs.mValue; } 00185 00186 inline bool operator<=(const VChar& lhs, const VChar& rhs) { return !operator>(lhs, rhs); } 00187 inline bool operator<=(const VChar& lhs, char rhs) { return !operator>(lhs, rhs); } 00188 inline bool operator<=(char lhs, const VChar& rhs) { return !operator>(lhs, rhs); } 00189 00190 inline bool operator>=(const VChar& lhs, const VChar& rhs) { return !operator<(lhs, rhs); } 00191 inline bool operator>=(const VChar& lhs, char rhs) { return !operator<(lhs, rhs); } 00192 inline bool operator>=(char lhs, const VChar& rhs) { return !operator<(lhs, rhs); } 00193 00194 inline bool operator>(const VChar& lhs, const VChar& rhs) { return operator<(rhs, lhs); } 00195 inline bool operator>(const VChar& lhs, char rhs) { return operator<(rhs, lhs); } 00196 inline bool operator>(char lhs, const VChar& rhs) { return operator<(rhs, lhs); } 00197 00198 #endif /* vchar_h */