mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-12-06 02:36:17 +08:00
bae75c96d9
See #7040 and others.
111 lines
4.0 KiB
Fish
111 lines
4.0 KiB
Fish
#
|
|
# Find files that complete $argv[1], has the suffix $argv[2], and output them
|
|
# as completions with the optional description $argv[3]. Then, also output
|
|
# completions for the files that don't have the suffix, so you want to use
|
|
# "complete -k" on the output. 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
|
|
|
|
# Simple and common case: no prefix, just complete normally and sort matching files first.
|
|
if test -z $prefix
|
|
set -l suffix (string escape --style=regex -- $suff)
|
|
# Use normal file completions.
|
|
set files (complete -C "__fish_command_without_completions $comp")
|
|
set -l files_with_suffix (string match -r -- "^.*$suffix\$" $files)
|
|
set -l directories (string match -r -- '^.*/$' $files)
|
|
set files $files_with_suffix $directories $files
|
|
else
|
|
# 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
|
|
|
|
set -l all
|
|
set -l files_with_suffix
|
|
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.
|
|
set all $base*
|
|
set files_with_suffix (string match -r -- ".*"(string escape --style=regex -- $suff) $all)
|
|
if not string match -qr '/$' -- $suff
|
|
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 $files_with_suffix $dirs $all
|
|
if string match -qr '^\\./' -- $comp
|
|
set files ./$files
|
|
else
|
|
# "Escape" files starting with a literal dash `-` with a `./`
|
|
set files (string replace -r -- "^-" "./-" $files)
|
|
end
|
|
end
|
|
|
|
if set -q files[1]
|
|
if string match -qr -- . "$desc"
|
|
set desc "\t$desc"
|
|
end
|
|
if string match -qr -- . "$prefix"
|
|
set prefix (string escape --style=regex -- $prefix)
|
|
set files (string replace -r -- "^$prefix" "" $files)
|
|
end
|
|
printf "%s$desc\n" $files
|
|
end
|
|
|
|
end
|