lineColumnToByteOffset converts 1-based line and 0-based column (character count) to a byte offset. Column is measured in runes (characters), not bytes, so that multi-byte UTF-8 characters are handled correctly.
(sql string, line, column int)
| 56 | // to a byte offset. Column is measured in runes (characters), not bytes, so that |
| 57 | // multi-byte UTF-8 characters are handled correctly. |
| 58 | func lineColumnToByteOffset(sql string, line, column int) int { |
| 59 | currentLine := 1 |
| 60 | for i := 0; i < len(sql); i++ { |
| 61 | if currentLine == line { |
| 62 | // Count 'column' runes from position i to get the byte offset. |
| 63 | pos := i |
| 64 | for c := 0; c < column && pos < len(sql); c++ { |
| 65 | _, size := utf8.DecodeRuneInString(sql[pos:]) |
| 66 | pos += size |
| 67 | } |
| 68 | if pos > len(sql) { |
| 69 | return len(sql) |
| 70 | } |
| 71 | return pos |
| 72 | } |
| 73 | if sql[i] == '\n' { |
| 74 | currentLine++ |
| 75 | } |
| 76 | } |
| 77 | return len(sql) |
| 78 | } |
| 79 | |
| 80 | // isNoSeparatorRequired returns true if tokenType is a punctuation/operator token |
| 81 | // that does not require whitespace separation from the next token. |
no outgoing calls
no test coverage detected