| 170 | } |
| 171 | |
| 172 | String CStringArray::join(const String& separator) const |
| 173 | { |
| 174 | if(isNull()) { |
| 175 | return nullptr; |
| 176 | } |
| 177 | unsigned len = length(); |
| 178 | if(len == 0) { |
| 179 | return ""; |
| 180 | } |
| 181 | len -= count(); // NUL separators |
| 182 | len += separator.length() * (stringCount - 1); |
| 183 | String s; |
| 184 | s.reserve(len); |
| 185 | for(auto it = begin(); it != end(); ++it) { |
| 186 | if(it.index() != 0) { |
| 187 | s += separator; |
| 188 | } |
| 189 | s += *it; |
| 190 | } |
| 191 | return s; |
| 192 | } |