| 53 | |
| 54 | |
| 55 | std::vector<String> parseRemoteDescription( |
| 56 | const String & description, size_t l, size_t r, char separator, size_t max_addresses, const String & func_name) |
| 57 | { |
| 58 | std::vector<String> res; |
| 59 | std::vector<String> cur; |
| 60 | |
| 61 | /// An empty substring means a set of an empty string |
| 62 | if (l >= r) |
| 63 | { |
| 64 | res.push_back(""); |
| 65 | return res; |
| 66 | } |
| 67 | |
| 68 | for (size_t i = l; i < r; ++i) |
| 69 | { |
| 70 | /// Either the numeric interval (8..10) or equivalent expression in brackets |
| 71 | if (description[i] == '{') |
| 72 | { |
| 73 | ssize_t cnt = 1; |
| 74 | ssize_t last_dot = -1; /// The rightmost pair of points, remember the index of the right of the two |
| 75 | size_t m = 0; |
| 76 | std::vector<String> buffer; |
| 77 | bool have_splitter = false; |
| 78 | |
| 79 | /// Look for the corresponding closing bracket |
| 80 | for (m = i + 1; m < r; ++m) |
| 81 | { |
| 82 | if (description[m] == '{') |
| 83 | ++cnt; |
| 84 | if (description[m] == '}') |
| 85 | --cnt; |
| 86 | if (description[m] == '.' && description[m-1] == '.') |
| 87 | last_dot = m; |
| 88 | if (description[m] == separator) |
| 89 | have_splitter = true; |
| 90 | if (cnt == 0) |
| 91 | break; |
| 92 | } |
| 93 | if (cnt != 0) |
| 94 | throw Exception(ErrorCodes::BAD_ARGUMENTS, "Table function '{}': incorrect brace sequence in first argument", func_name); |
| 95 | /// The presence of a dot - numeric interval |
| 96 | if (last_dot != -1) |
| 97 | { |
| 98 | size_t left = 0; |
| 99 | size_t right = 0; |
| 100 | if (description[last_dot - 1] != '.') |
| 101 | throw Exception( |
| 102 | ErrorCodes::BAD_ARGUMENTS, |
| 103 | "Table function '{}': incorrect argument in braces (only one dot): {}", |
| 104 | func_name, |
| 105 | description.substr(i, m - i + 1)); |
| 106 | if (!parseNumber(description, i + 1, last_dot - 1, left)) |
| 107 | throw Exception( |
| 108 | ErrorCodes::BAD_ARGUMENTS, |
| 109 | "Table function '{}': " |
| 110 | "incorrect argument in braces (Incorrect left number): {}", |
| 111 | func_name, |
| 112 | description.substr(i, m - i + 1)); |
no test coverage detected