| 365 | |
| 366 | template <class TChar> |
| 367 | size_t UnescapeCCharLen(const TChar* begin, const TChar* end) { |
| 368 | if (begin >= end) { |
| 369 | return 0; |
| 370 | } |
| 371 | if (*begin != '\\') { |
| 372 | return 1; |
| 373 | } |
| 374 | if (++begin == end) { |
| 375 | return 1; |
| 376 | } |
| 377 | |
| 378 | switch (*begin) { |
| 379 | default: |
| 380 | return 2; |
| 381 | case 'u': |
| 382 | return CountHex<4>(begin + 1, end) == 4 ? 6 : 2; |
| 383 | case 'U': |
| 384 | return CountHex<8>(begin + 1, end) == 8 ? 10 : 2; |
| 385 | case 'x': |
| 386 | return 2 + CountHex<2>(begin + 1, end); |
| 387 | case '0': |
| 388 | case '1': |
| 389 | case '2': |
| 390 | case '3': |
| 391 | return 1 + CountOct<3>(begin, end); // >= 2 |
| 392 | case '4': |
| 393 | case '5': |
| 394 | case '6': |
| 395 | case '7': |
| 396 | return 1 + CountOct<2>(begin, end); // >= 2 |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | template size_t UnescapeCCharLen<char>(const char* begin, const char* end); |
| 401 | template size_t UnescapeCCharLen<TUtf16String::TChar>(const TUtf16String::TChar* begin, const TUtf16String::TChar* end); |