| 58 | } |
| 59 | |
| 60 | u32 ParseU32(ConstStringRef str, u32 base) |
| 61 | { |
| 62 | u32 val = 0; |
| 63 | for (const char * p = str.Begin; p < str.End; ++p) |
| 64 | { |
| 65 | char c = *p; |
| 66 | |
| 67 | // Bail as soon as we see a non-decimal value. |
| 68 | u32 digit = base; |
| 69 | if (c >= '0' && c <= '9') |
| 70 | digit = c - '0'; |
| 71 | else if (c >= 'a' && c <= 'z') |
| 72 | digit = 10 + (c - 'a'); |
| 73 | else if (c >= 'A' && c <= 'Z') |
| 74 | digit = 10 + (c - 'A'); |
| 75 | |
| 76 | if (digit >= base) |
| 77 | break; |
| 78 | |
| 79 | val *= base; |
| 80 | val += c - '0'; |
| 81 | } |
| 82 | |
| 83 | return val; |
| 84 | } |
| 85 | |
| 86 | // void Print(const std::vector<ConstStringRef> & pieces) |
| 87 | // { |