(str: string)
| 6 | |
| 7 | const octalMatch = /^[0-7]{3}/; |
| 8 | function parseString(str: string): string { |
| 9 | const ret = Buffer.alloc(str.length * 4); |
| 10 | let bufIndex = 0; |
| 11 | |
| 12 | if (str[0] != '"' || str[str.length - 1] != '"') |
| 13 | throw new Error("Not a valid string"); |
| 14 | str = str.slice(1, -1); |
| 15 | let escaped = false; |
| 16 | for (let i = 0; i < str.length; i++) { |
| 17 | if (escaped) { |
| 18 | let m; |
| 19 | if (str[i] == '\\') |
| 20 | bufIndex += ret.write('\\', bufIndex); |
| 21 | else if (str[i] == '"') |
| 22 | bufIndex += ret.write('"', bufIndex); |
| 23 | else if (str[i] == '\'') |
| 24 | bufIndex += ret.write('\'', bufIndex); |
| 25 | else if (str[i] == 'n') |
| 26 | bufIndex += ret.write('\n', bufIndex); |
| 27 | else if (str[i] == 'r') |
| 28 | bufIndex += ret.write('\r', bufIndex); |
| 29 | else if (str[i] == 't') |
| 30 | bufIndex += ret.write('\t', bufIndex); |
| 31 | else if (str[i] == 'b') |
| 32 | bufIndex += ret.write('\b', bufIndex); |
| 33 | else if (str[i] == 'f') |
| 34 | bufIndex += ret.write('\f', bufIndex); |
| 35 | else if (str[i] == 'v') |
| 36 | bufIndex += ret.write('\v', bufIndex); |
| 37 | else if (str[i] == '0') |
| 38 | bufIndex += ret.write('\0', bufIndex); |
| 39 | else if (m = octalMatch.exec(str.substring(i))) { |
| 40 | ret.writeUInt8(parseInt(m[0], 8), bufIndex++); |
| 41 | i += 2; |
| 42 | } else |
| 43 | bufIndex += ret.write(str[i], bufIndex); |
| 44 | escaped = false; |
| 45 | } else { |
| 46 | if (str[i] == '\\') |
| 47 | escaped = true; |
| 48 | else if (str[i] == '"') |
| 49 | throw new Error("Not a valid string"); |
| 50 | else |
| 51 | bufIndex += ret.write(str[i], bufIndex); |
| 52 | } |
| 53 | } |
| 54 | return ret.slice(0, bufIndex).toString("utf8"); |
| 55 | } |
| 56 | |
| 57 | export class MINode implements MIInfo { |
| 58 | token: number; |
no test coverage detected