mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-11-23 20:54:04 +08:00
b23403ee6b
This reverts commit 367661d4f1.
This was the wrong way to address this annoyance of mine.
108 lines
3.7 KiB
Fish
108 lines
3.7 KiB
Fish
#
|
|
# Find files that complete $argv[1], has the suffix $argv[2], and
|
|
# output them as completions with the optional description $argv[3] Both
|
|
# $argv[1] and $argv[3] are optional, if only one is specified, it is
|
|
# assumed to be the argument to complete. If $argv[4] is present, it is
|
|
# treated as a prefix for the path, i.e. in lieu of $PWD.
|
|
#
|
|
|
|
function __fish_complete_suffix -d "Complete using files"
|
|
|
|
# Variable declarations
|
|
|
|
set -l comp
|
|
set -l suff
|
|
set -l desc
|
|
set -l files
|
|
set -l prefix ""
|
|
|
|
switch (count $argv)
|
|
|
|
case 1
|
|
set comp (commandline -ct)
|
|
set suff $argv
|
|
set desc ""
|
|
|
|
case 2
|
|
set comp $argv[1]
|
|
set suff $argv[2]
|
|
set desc ""
|
|
|
|
case 3
|
|
set comp $argv[1]
|
|
set suff $argv[2]
|
|
set desc $argv[3]
|
|
|
|
case 4
|
|
set comp $argv[1]
|
|
set suff $argv[2]
|
|
set desc $argv[3]
|
|
set prefix $argv[4]
|
|
|
|
# Only directories are supported as prefixes, and to use the same logic
|
|
# for both absolute prefixed paths and relative non-prefixed paths, $prefix
|
|
# must terminate in a `/` if it is present, so it can be unconditionally
|
|
# prefixed to any path to get the desired result.
|
|
if not string match -qr '/$' $prefix
|
|
set prefix $prefix/
|
|
end
|
|
end
|
|
|
|
# Strip leading ./ as it confuses the detection of base and suffix
|
|
# It is conditionally re-added below.
|
|
set base $prefix(string replace -r '^("\')?\\./' '' -- $comp | string trim -c '\'"') # " make emacs syntax highlighting happy
|
|
# echo "base: $base" > /dev/tty
|
|
# echo "suffix: $suff" > /dev/tty
|
|
|
|
set -l all
|
|
set -l dirs
|
|
# If $comp is "./ma" and the file is "main.py", we'll catch that case here,
|
|
# but complete.cpp will not consider it a match, so we have to output the
|
|
# correct form.
|
|
|
|
# Also do directory completion, since there might be files with the correct
|
|
# suffix in a subdirectory. `eval` is used since $suff may be passed in
|
|
# as {.foo,.bar} and we want to expand that.
|
|
eval "set all $base*$suff"
|
|
if not string match -qr '/$' -- $suff
|
|
eval "set dirs $base*/"
|
|
|
|
# The problem is that we now have each directory included twice in the output,
|
|
# once as `dir` and once as `dir/`. The runtime here is O(n) for n directories
|
|
# in the output, but hopefully since we have only one level (no nested results)
|
|
# it should be fast. The alternative is to shell out to `sort` and remove any
|
|
# duplicate results, but it would have to be a huge `n` to make up for the fork
|
|
# overhead.
|
|
for dir in $dirs
|
|
set all (string match -v (string match -r '(.*)/$' -- $dir)[2] -- $all)
|
|
end
|
|
end
|
|
|
|
set files $all $dirs
|
|
if string match -qr '^\\./' -- $comp
|
|
set files ./$files
|
|
end
|
|
|
|
# Another problem is that expanded paths are not matched, either.
|
|
# So an expression like $HOME/foo*.zip will expand to /home/rdahl/foo-bar.zip
|
|
# but that no longer matches the expression at the command line.
|
|
if string match -qr '[${}*~]' -- $comp
|
|
set -l expanded
|
|
eval "set expanded $comp"
|
|
set files (string replace -- $expanded $comp $files)
|
|
end
|
|
|
|
if set -q files[1]
|
|
if string match -qr -- . "$desc"
|
|
set desc "\t$desc"
|
|
end
|
|
if string match -qr -- . "$prefix"
|
|
# Ideally, only replace in the beginning of the string, but we have no
|
|
# way of doing a pcre2 escape so we can use a regex replace instead
|
|
set files (string replace $prefix "" $files)
|
|
end
|
|
printf "%s$desc\n" $files #| sort -u
|
|
end
|
|
|
|
end
|