| 154 | } |
| 155 | |
| 156 | bool CheckNumberString(std::string num_str) { |
| 157 | const char* num_char = num_str.c_str(); |
| 158 | |
| 159 | for (int i = 0; i < num_str.length(); ++i) { |
| 160 | if (!(num_char[i] >= '0' && num_char[i] <= '9') && num_char[i] != '.') { |
| 161 | return false; |
| 162 | } |
| 163 | } |
| 164 | return true; |
| 165 | } |
| 166 | |
| 167 | bool CheckFileName(std::string name) { |
| 168 | std::ofstream write_stream; |