| 154 | } |
| 155 | |
| 156 | bool ScreencapHelper::clean_cr(std::string& buffer) |
| 157 | { |
| 158 | if (buffer.size() < 2) { |
| 159 | return false; |
| 160 | } |
| 161 | |
| 162 | auto check = [](std::string::iterator it) { |
| 163 | return *it == '\r' && *(it + 1) == '\n'; |
| 164 | }; |
| 165 | |
| 166 | auto scan = buffer.end(); |
| 167 | for (auto it = buffer.begin(); it != buffer.end() - 1; ++it) { |
| 168 | if (check(it)) { |
| 169 | scan = it; |
| 170 | break; |
| 171 | } |
| 172 | } |
| 173 | if (scan == buffer.end()) { |
| 174 | return false; |
| 175 | } |
| 176 | |
| 177 | auto last = buffer.end() - 1; |
| 178 | auto ptr = scan; |
| 179 | while (++scan != last) { |
| 180 | if (!check(scan)) { |
| 181 | *ptr = *scan; |
| 182 | ++ptr; |
| 183 | } |
| 184 | } |
| 185 | *ptr = *last; |
| 186 | ++ptr; |
| 187 | buffer.erase(ptr, buffer.end()); |
| 188 | return true; |
| 189 | } |
| 190 | |
| 191 | bool ScreencapHelper::check_head_tail(std::string_view input, std::string_view head, std::string_view tail) |
| 192 | { |