On Windows for example the behavior of this function typically diverges
from the usual behavior on Unix. Instead of checking that the inserted
string starts with `'\n'` (untrue for for CRLF line endings) we need to
check that the first grapheme cluster in the string is a line ending.
(All line endings are single grapheme clusters.)
This matches the behavior described by the EditorConfig spec for its
`insert_final_newline` option:
> Editors must not insert newlines in empty files when saving those
> files, even if `insert_final_newline = true`.
Co-authored-by: Axlefublr <101342105+Axlefublr@users.noreply.github.com>
These match the equivalent options in VSCode. `trim_trailing_whitespace`
is also the name used by EditorConfig.
* `trim-final-newlines` trims any extra line endings after the final one
* `trim-trailing-whitespace` trims any trailing whitespace (but not
empty lines)
* fix: panic when pressing `*` at the end of the file
chore: remove incorrect additions
* docs: add info comment
* test: add new syntax to add a selection at the final character
* test: `*` panics when after the last char
* test: move into a more appopriate module
* test: fix failing
* test: account for Windows test suite
* test: choose a different strategy for custom syntax
* test: do not modify the syntax
* style: remove newline
---------
Co-authored-by: Nikita Revenco <154856872+NikitaRevenco@users.noreply.github.com>
#12177 changed `insert_newline`'s behavior to trim any trailing
whitespace on a line which came before a cursor. `insert_newline` would
previously never delete text. Even the whitespace stripping behavior in
#4854 worked by inserting text - a line ending at the beginning of the
line. `global_offs`, a variable that tracks the number of characters
inserted between iterations over the existing selection ranges, was not
updated to also account for text deleted by the trimming behavior,
causing cursors to be offset by the amount of trailing space deleted
and causing panics in some cases.
To fix this we need to subtract the number of trimmed whitespace
characters from `global_offs`. `global_offs` must become an `isize`
(was a `usize`) because it may become negative in cases where a lot of
trailing whitespace is trimmed. Integration tests have been added for
each of these cases.
Fixes#12461Fixes#12495Fixes#12539
* don't use backup files with hardlinks
* check if the inodes remain the same in the test
* move funcs to faccess and use AsRawHandle
* use a copy as a backup for hardlinks
* delete backup after copy
* Remove special-casing of line ending characters in selection replacement
* Refactor line ending handling and integration test to address code review comments
Nik Revenco
Ryan Mehri
CalebLarsen
Michael Davis
Nik Revenco
Nik Revenco
Alexander Brassel
renshyle
TornaxO7
rhogenson
Skyler Hawthorne
Kirawi
RoloEdits
Chris Pyles
Krishan
Pascal Kuthe
woojiq
Sean Perry