| 1124 | } |
| 1125 | |
| 1126 | template<class T> String BasicStringView<T>::joinWithoutEmptyParts(const ArrayView<const StringView> strings) const { |
| 1127 | // Calculate size of the resulting string including delimiters |
| 1128 | const std::size_t delimiterSize = size(); |
| 1129 | std::size_t totalSize = 0; |
| 1130 | for (const StringView string : strings) { |
| 1131 | if (string.empty()) continue; |
| 1132 | totalSize += string.size() + delimiterSize; |
| 1133 | } |
| 1134 | if (totalSize != 0) totalSize -= delimiterSize; |
| 1135 | |
| 1136 | // Reserve memory for the resulting string |
| 1137 | String result{NoInit, totalSize}; |
| 1138 | |
| 1139 | // Join strings |
| 1140 | char* out = result.data(); |
| 1141 | char* const end = out + totalSize; |
| 1142 | for (const StringView string : strings) { |
| 1143 | if (string.empty()) continue; |
| 1144 | |
| 1145 | const std::size_t stringSize = string.size(); |
| 1146 | // Apparently memcpy() can't be called with null pointers, even if size is zero. I call that bullying. |
| 1147 | if (stringSize != 0) { |
| 1148 | std::memcpy(out, string._data, stringSize); |
| 1149 | out += stringSize; |
| 1150 | } |
| 1151 | if (delimiterSize != 0 && out != end) { |
| 1152 | std::memcpy(out, _data, delimiterSize); |
| 1153 | out += delimiterSize; |
| 1154 | } |
| 1155 | } |
| 1156 | |
| 1157 | return result; |
| 1158 | } |
| 1159 | |
| 1160 | template<class T> String BasicStringView<T>::joinWithoutEmptyParts(const std::initializer_list<StringView> strings) const { |
| 1161 | return joinWithoutEmptyParts(arrayView(strings)); |