| 69 | } |
| 70 | |
| 71 | int ErpcLexer::processStringEscapes(const char *in, char *out) |
| 72 | { |
| 73 | int count = 0; |
| 74 | while (*in) |
| 75 | { |
| 76 | switch (*in) |
| 77 | { |
| 78 | case '\\': |
| 79 | { |
| 80 | // start of an escape sequence |
| 81 | char c = *++in; |
| 82 | switch (c) |
| 83 | { |
| 84 | case 0: // end of the string, bail |
| 85 | { |
| 86 | break; |
| 87 | } |
| 88 | case 'x': |
| 89 | { |
| 90 | // start of a hex char escape sequence |
| 91 | |
| 92 | // read high and low nibbles, checking for end of string |
| 93 | char hi = *++in; |
| 94 | if (hi == 0) |
| 95 | { |
| 96 | break; |
| 97 | } |
| 98 | char lo = *++in; |
| 99 | if (lo == 0) |
| 100 | { |
| 101 | break; |
| 102 | } |
| 103 | |
| 104 | if (isHexDigit(hi) && isHexDigit(lo)) |
| 105 | { |
| 106 | *out++ = (hexCharToInt(hi) << 4) | hexCharToInt(lo); |
| 107 | count++; |
| 108 | } |
| 109 | else |
| 110 | { |
| 111 | // not hex digits, the \x must have wanted an 'x' char |
| 112 | *out++ = 'x'; |
| 113 | *out++ = hi; |
| 114 | *out++ = lo; |
| 115 | count += 3; |
| 116 | } |
| 117 | break; |
| 118 | } |
| 119 | case 'n': |
| 120 | { |
| 121 | *out++ = '\n'; |
| 122 | count++; |
| 123 | break; |
| 124 | } |
| 125 | case 't': |
| 126 | { |
| 127 | *out++ = '\t'; |
| 128 | count++; |
nothing calls this directly
no test coverage detected