3 // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
212 …    Helper function to enable support for common swap implementation pattern based on \c std::swap:
673         \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, \c bool
703         \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, \c bool
749         \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, \c bool
785     \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, \c bool
825 …   \note Erasing with an empty pointer \c Pointer(""), i.e. the root, always fail and return false.
904         \param c The character (code unit) to be tested.
906     bool NeedPercentEncode(Ch c) const {  in NeedPercentEncode()  argument
907 …return !((c >= '0' && c <= '9') || (c >= 'A' && c <='Z') || (c >= 'a' && c <= 'z') || c == '-' || …  in NeedPercentEncode()
957                 Ch c = source[i];  in Parse()  local
960                     if (c == '%') {  in Parse()
971                             c = *name;  in Parse()
979                     else if (NeedPercentEncode(c)) {  in Parse()
988                 if (c == '~') {  in Parse()
990                         c = source[i];  in Parse()
991                         if (c == '0')       c = '~';  in Parse()
992                         else if (c == '1')  c = '/';  in Parse()
1006                 if (c < '0' || c > '9')  in Parse()
1009                 *name++ = c;  in Parse()
1066                 Ch c = t->name[j];  in Stringify()  local
1067                 if (c == '~') {  in Stringify()
1071                 else if (c == '/') {  in Stringify()
1075                 else if (uriFragment && NeedPercentEncode(c)) {  in Stringify()
1084                     os.Put(c);  in Stringify()
1113             Ch c = 0;  in Take()  local
1115                 c = static_cast<Ch>(c << 4);  in Take()
1117                 if      (h >= '0' && h <= '9') c = static_cast<Ch>(c + h - '0');  in Take()
1118                 else if (h >= 'A' && h <= 'F') c = static_cast<Ch>(c + h - 'A' + 10);  in Take()
1119                 else if (h >= 'a' && h <= 'f') c = static_cast<Ch>(c + h - 'a' + 10);  in Take()
1126             return c;  in Take()
1144         void Put(char c) { // UTF-8 must be byte  in Put()  argument
1145             unsigned char u = static_cast<unsigned char>(c);  in Put()
1146 …hexDigits[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };  in Put()