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|
# bash completion for perl -*- shell-script -*-
_comp_cmd_perl__helper()
{
_comp_compgen_split -P "$prefix" -- "$("${1:-perl}" \
"${BASH_SOURCE[0]%/*}/../helpers/perl" "$2" "$cur")"
[[ $2 == functions ]] || _comp_ltrim_colon_completions "$prefix$cur"
}
_comp_cmd_perl()
{
local cur prev words cword comp_args
_comp_initialize -n : -- "$@" || return
local prefix="" temp optPrefix optSuffix
# If option not followed by whitespace, reassign prev and cur
if [[ $cur == -?* ]]; then
temp=$cur
prev=${temp:0:2}
cur=${temp:2}
if [[ $prev == -d && $cur == t* ]]; then
prev=-dt
cur=${cur:1}
fi
optPrefix=-P$prev
optSuffix=-S/
prefix=$prev
case $prev in
-*[DeEiFl])
return
;;
-*[Ix])
compopt -o filenames
_comp_compgen -- -d "$optPrefix" $optSuffix
return
;;
-*[mM])
temp="${cur#-}"
prefix+=${cur%"$temp"}
cur="$temp"
_comp_cmd_perl__helper "$1" modules
return
;;
-*V)
if [[ $cur == :* ]]; then
temp="${cur##+(:)}"
prefix+=${cur%"$temp"}
_comp_compgen -c "$temp" split -lP "$prefix" -- "$(
"$1" -MConfig -e 'print join "\n",
keys %Config::Config' 2>/dev/null
)"
_comp_ltrim_colon_completions "$prefix$temp"
fi
return
;;
-*d | -*dt)
if [[ $cur == :* ]]; then
temp="${cur#:}"
prefix=$prefix${cur%"$temp"}
cur="Devel::$temp"
_comp_cmd_perl__helper "$1" modules
fi
;;
esac
# Unlike other perl options, having a space between the `-e' and
# `-E' options and their arguments, e.g. `perl -e "exit 2"', is
# valid syntax. However, the argument is neither a filename nor a
# directory, but one line of perl program, thus do not suggest
# _comp_compgen_filedir completion.
elif [[ $prev == -e ]] || [[ $prev == -E ]]; then
return
# Likewise, `-I' also accepts a space between option and argument
# and it takes a directory as value.
elif [[ $prev == -I ]]; then
compopt -o filenames
# shellcheck disable=SC2086
_comp_compgen -- -d ${optPrefix-} ${optSuffix-}
return
elif [[ $cur == -* ]]; then
_comp_compgen -- -W '-C -s -T -u -U -W -X -h -v -V -c -w -d -D -p -n -a
-F -l -0 -I -m -M -P -S -x -i -e'
else
_comp_compgen_filedir
fi
} &&
complete -F _comp_cmd_perl perl
_comp_cmd_perldoc()
{
local cur prev words cword comp_args
_comp_initialize -n : -- "$@" || return
local prefix="" temp
# completing an option (may or may not be separated by a space)
if [[ $cur == -?* ]]; then
temp=$cur
prev=${temp:0:2}
cur=${temp:2}
prefix=$prev
fi
# Prefer `perl` in the same dir in utility functions
local pathcmd
pathcmd=$(type -P -- "$1") && local PATH=${pathcmd%/*}:$PATH
case $prev in
-*[hVnoMwL])
return
;;
-*d)
_comp_compgen_filedir
return
;;
-*f)
_comp_cmd_perl__helper "" functions
return
;;
esac
if [[ $cur == -* ]]; then
_comp_compgen_help -- -h
else
# return available modules (unless it is clearly a file)
if [[ $cur != @(*/|[.~])* ]]; then
_comp_cmd_perl__helper "" perldocs
if [[ $cur == p* ]]; then
_comp_compgen -a split -- "$(PERLDOC_PAGER=cat "$1" -u perl |
command sed -ne '/perl.*Perl overview/,/perlwin32/p' |
_comp_awk 'NF >= 2 && $1 ~ /^perl/ { print $1 }')"
fi
fi
_comp_compgen -a filedir 'p@([lm]|od)'
fi
} &&
complete -F _comp_cmd_perldoc -o bashdefault perldoc
# ex: filetype=sh
|
