OffsetMapping
Interface
Common
interface OffsetMapping
Provides bidirectional offset mapping between original and transformed text.
Functions
fun originalToTransformed(offset: Int): Int
Convert offset in original text into the offset in transformed text.
This function must be a monotonically non-decreasing function. In other words, if a cursor advances in the original text, the cursor in the transformed text must advance or stay there.
Parameters
offset | offset in original text. |
Returns
offset in transformed text |
fun transformedToOriginal(offset: Int): Int
Convert offset in transformed text into the offset in original text.
This function must be a monotonically non-decreasing function. In other words, if a cursor advances in the transformed text, the cusrsor in the original text must advance or stay there.
Parameters
offset | offset in transformed text |
Returns
offset in original text |