Allow specifying '{n}' as the OFFSET in the preview-window flag (#4079)

* fzf: Allow '{n}' to be used as the OFFSET in the preview-window flag

* man: Document using '{n}' as the OFFSET in the preview-window flag
This commit is contained in:
jaydee-coder 2024-11-04 05:27:59 -08:00 committed by GitHub
parent 6816b7d95b
commit d4d9b99879
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 2 additions and 2 deletions

View File

@ -805,7 +805,7 @@ e.g. \fBborder\-rounded\fR (border with rounded edges, default),
* \fB[:+SCROLL[OFFSETS][/DENOM]]\fR determines the initial scroll offset of the
preview window.
- \fBSCROLL\fR can be either a numeric integer or a single-field index expression that refers to a numeric integer.
- \fBSCROLL\fR can be either a numeric integer or a single-field index expression that refers to a numeric integer or {n} to refer to the zero-based ordinal index of the current item.
- The optional \fBOFFSETS\fR part is for adjusting the base offset. It should be given as a series of signed integers (\fB\-INTEGER\fR or \fB+INTEGER\fR).

View File

@ -1726,7 +1726,7 @@ func parsePreviewWindowImpl(opts *previewOpts, input string) error {
var err error
tokenRegex := regexp.MustCompile(`[:,]*(<([1-9][0-9]*)\(([^)<]+)\)|[^,:]+)`)
sizeRegex := regexp.MustCompile("^[0-9]+%?$")
offsetRegex := regexp.MustCompile(`^(\+{-?[0-9]+})?([+-][0-9]+)*(-?/[1-9][0-9]*)?$`)
offsetRegex := regexp.MustCompile(`^(\+{(-?[0-9]+|n)})?([+-][0-9]+)*(-?/[1-9][0-9]*)?$`)
headerRegex := regexp.MustCompile("^~(0|[1-9][0-9]*)$")
tokens := tokenRegex.FindAllStringSubmatch(input, -1)
var alternative string