| 43 | } |
| 44 | |
| 45 | inline int jsonUnescape(const char* s, size_t n, char* out) |
| 46 | { |
| 47 | int r = 0; |
| 48 | if (*s++ != '"') |
| 49 | { |
| 50 | return -1; |
| 51 | } |
| 52 | while (n > 2) |
| 53 | { |
| 54 | char c = *s; |
| 55 | if (c == '\\') |
| 56 | { |
| 57 | s++; |
| 58 | n--; |
| 59 | switch (*s) |
| 60 | { |
| 61 | case 'b': |
| 62 | c = '\b'; |
| 63 | break; |
| 64 | case 'f': |
| 65 | c = '\f'; |
| 66 | break; |
| 67 | case 'n': |
| 68 | c = '\n'; |
| 69 | break; |
| 70 | case 'r': |
| 71 | c = '\r'; |
| 72 | break; |
| 73 | case 't': |
| 74 | c = '\t'; |
| 75 | break; |
| 76 | case '\\': |
| 77 | c = '\\'; |
| 78 | break; |
| 79 | case '/': |
| 80 | c = '/'; |
| 81 | break; |
| 82 | case '\"': |
| 83 | c = '\"'; |
| 84 | break; |
| 85 | default: // TODO: support unicode decoding |
| 86 | return -1; |
| 87 | } |
| 88 | } |
| 89 | if (out != NULL) |
| 90 | { |
| 91 | *out++ = c; |
| 92 | } |
| 93 | s++; |
| 94 | n--; |
| 95 | r++; |
| 96 | } |
| 97 | if (*s != '"') |
| 98 | { |
| 99 | return -1; |
| 100 | } |
| 101 | if (out != NULL) |
| 102 | { |