mirror of https://github.com/n-hys/bash.git
513 lines
12 KiB
Plaintext
513 lines
12 KiB
Plaintext
#
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# Completion examples
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#
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# Chet Ramey <chet.ramey@case.edu>
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#
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# Copyright 2002 Chester Ramey
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# TThis program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# This encapsulates the default bash completion code
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# call with the word to be completed as $1
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#
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# Since programmable completion does not use the bash default completions
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# or the readline default of filename completion when the compspec does
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# not generate any matches, this may be used as a `last resort' in a
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# completion function to mimic the default bash completion behavior.
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#
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_bash_def_completion ()
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{
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local h t
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COMPREPLY=()
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# command substitution
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if [[ "$1" == \$\(* ]]; then
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t=${1#??}
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COMPREPLY=( $(compgen -c -P '$(' $t) )
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fi
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# variables with a leading `${'
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if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == \$\{* ]]; then
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t=${1#??}
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COMPREPLY=( $(compgen -v -P '${' -S '}' $t) )
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fi
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# variables with a leading `$'
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if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == \$* ]]; then
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t=${1#?}
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COMPREPLY=( $(compgen -v -P '$' $t ) )
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fi
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# username expansion
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if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == ~* ]] && [[ "$1" != */* ]]; then
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t=${1#?}
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COMPREPLY=( $( compgen -u -P '~' $t ) )
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fi
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# hostname
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if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == *@* ]]; then
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h=${1%%@*}
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t=${1#*@}
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COMPREPLY=( $( compgen -A hostname -P "${h}@" $t ) )
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fi
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# glob pattern
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if [ ${#COMPREPLY[@]} -eq 0 ]; then
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# sh-style glob pattern
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if [[ $1 == *[*?[]* ]]; then
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COMPREPLY=( $( compgen -G "$1" ) )
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# ksh-style extended glob pattern - must be complete
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elif shopt -q extglob && [[ $1 == *[?*+\!@]\(*\)* ]]; then
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COMPREPLY=( $( compgen -G "$1" ) )
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fi
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fi
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# final default is filename completion
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if [ ${#COMPREPLY[@]} -eq 0 ]; then
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COMPREPLY=( $(compgen -f "$1" ) )
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fi
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}
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#
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# Return 1 if $1 appears to contain a redirection operator. Handles backslash
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# quoting (barely).
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#
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_redir_op()
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{
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case "$1" in
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*\\'[\<\>]'*) return 1;;
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*[\<\>]*) return 0;;
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*) return 1;;
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esac
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}
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# _redir_test tests the current word ($1) and the previous word ($2) for
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# redirection operators and does filename completion on the current word
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# if either one contains a redirection operator
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_redir_test()
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{
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if _redir_op "$1" ; then
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COMPREPLY=( $( compgen -f "$1" ) )
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return 0
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elif _redir_op "$2" ; then
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COMPREPLY=( $( compgen -f "$1" ) )
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return 0
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fi
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return 1
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}
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# optional, but without this you can't use extended glob patterns
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shopt -s extglob
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#
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# Easy ones for the shell builtins
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#
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# nothing for: alias, break, continue, dirs, echo, eval, exit, getopts,
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# let, logout, popd, printf, pwd, return, shift, suspend, test, times,
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# umask
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#
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complete -f -- . source
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complete -A enabled builtin
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complete -d cd
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# this isn't exactly right yet -- needs to skip shell functions and
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# do $PATH lookup (or do compgen -c and filter out matches that also
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# appear in compgen -A function)
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complete -c command
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# could add -S '=', but that currently screws up because readline appends
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# a space unconditionally
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complete -v export local readonly
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complete -A helptopic help # currently same as builtins
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complete -d pushd
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complete -A shopt shopt
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complete -c type
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complete -a unalias
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complete -v unset
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#
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# Job control builtins: fg, bg, disown, kill, wait
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# kill not done yet
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#
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complete -A stopped -P '%' bg
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complete -j -P '%' fg jobs disown
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# this is not quite right at this point
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_wait_func ()
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{
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local cur
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cur=${COMP_WORDS[COMP_CWORD]}
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case "$cur" in
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%*) COMPREPLY=( $(compgen -A running -P '%' ${cur#?} ) ) ;;
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[0-9]*) COMPREPLY=( $(jobs -p | grep ^${cur}) ) ;;
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*) COMPREPLY=( $(compgen -A running -P '%') $(jobs -p) )
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;;
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esac
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}
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complete -F _wait_func wait
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#
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# more complicated things, several as yet unimplemented
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#
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#complete -F _bind_func bind
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_declare_func()
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{
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local cur prev nflag opts
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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COMPREPLY=()
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-a -f -F -i -p -r -t -x)
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return 0;
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fi
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if [[ $cur == '+' ]]; then
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COMPREPLY=(+i +t +x)
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return 0;
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fi
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if [[ $prev == '-p' ]]; then
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COMPREPLY=( $(compgen -v $cur) )
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return 0;
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fi
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return 1
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}
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complete -F _declare_func declare typeset
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_enable_func()
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{
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local cur prev nflag opts
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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COMPREPLY=()
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-a -d -f -n -p -s)
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return 0;
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fi
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if [[ $prev == '-f' ]]; then
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COMPREPLY=( $( compgen -f $cur ) )
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return 0;
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fi
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for opts in "${COMP_WORDS[@]}" ; do
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if [[ $opts == -*n* ]]; then nflag=1; fi
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done
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if [ -z "$nflag" ] ; then
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COMPREPLY=( $( compgen -A enabled $cur ) )
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else
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COMPREPLY=( $( compgen -A disabled $cur ) )
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fi
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return 0;
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}
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complete -F _enable_func enable
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_exec_func()
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{
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local cur prev
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-a -c -l)
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return 0;
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fi
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if [[ $prev != -*a* ]]; then
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COMPREPLY=( $( compgen -c $cur ) )
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return 0
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fi
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return 1;
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}
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complete -F _exec_func exec
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_fc_func()
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{
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local cur prev
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-e -n -l -r -s)
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return 0;
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fi
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if [[ $prev == -*e ]]; then
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COMPREPLY=( $(compgen -c $cur) )
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return 0
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fi
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return 1
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}
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complete -F _fc_func fc
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_hash_func()
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{
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local cur prev
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-p -r -t)
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return 0;
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fi
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if [[ $prev == '-p' ]]; then
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COMPREPLY=( $( compgen -f $cur ) )
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return 0;
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fi
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COMPREPLY=( $( compgen -c $cur ) )
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return 0
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}
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complete -F _hash_func hash
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_history_func()
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{
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local cur prev
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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COMPREPLY=()
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-a -c -d -n -r -w -p -s)
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return 0;
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fi
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if [[ $prev == -[anrw] ]]; then
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COMPREPLY=( $( compgen -f $cur ) )
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fi
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return 0
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}
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complete -F _history_func history
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#complete -F _read_func read
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_set_func ()
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{
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local cur prev
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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COMPREPLY=()
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_redir_test "$cur" "$prev" && return 0;
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-a -b -e -f -k -m -n -o -p -t -u -v -x -B -C -H -P --)
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return 0;
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fi
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if [[ $cur == '+' ]]; then
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COMPREPLY=(+a +b +e +f +k +m +n +o +p +t +u +v +x +B +C +H +P)
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return 0;
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fi
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if [[ $prev == [+-]o ]]; then
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COMPREPLY=( $(compgen -A setopt $cur) )
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return 0;
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fi
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return 1;
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}
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complete -F _set_func set
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_trap_func ()
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{
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local cur
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cur=${COMP_WORDS[COMP_CWORD]}
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if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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COMPREPLY=(-l -p)
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return 0;
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fi
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COMPREPLY=( $( compgen -A signal ${cur}) )
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return 0
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}
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complete -F _trap_func trap
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#
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# meta-completion (completion for complete/compgen)
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#
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_complete_meta_func()
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{
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local cur prev cmd
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COMPREPLY=()
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cmd=$1
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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_redir_test "$cur" "$prev" && return 0;
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if (( $COMP_CWORD <= 1 )) || [[ "$cur" == '-' ]]; then
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case "$cmd" in
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complete) COMPREPLY=(-a -b -c -d -e -f -j -k -s -v -u -r -p -A -G -W -P -S -X -F -C);;
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compgen) COMPREPLY=(-a -b -c -d -e -f -j -k -s -v -u -A -G -W -P -S -X -F -C);;
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esac
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return 0
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fi
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if [[ $prev == -A ]]; then
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COMPREPLY=(alias arrayvar binding builtin command directory \
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disabled enabled export file 'function' helptopic hostname job keyword \
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running service setopt shopt signal stopped variable)
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return 0
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elif [[ $prev == -F ]]; then
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COMPREPLY=( $( compgen -A function $cur ) )
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elif [[ $prev == -C ]]; then
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COMPREPLY=( $( compgen -c $cur ) )
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else
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COMPREPLY=( $( compgen -c $cur ) )
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fi
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return 0
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}
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complete -F _complete_meta_func complete compgen
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#
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# some completions for shell reserved words
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#
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#complete -c -k time do if then else elif '{'
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#
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# external commands
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#
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complete -e printenv
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complete -c nohup exec nice eval trace truss strace sotruss gdb
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_make_targets ()
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{
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local mdef makef gcmd cur prev i
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COMPREPLY=()
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cur=${COMP_WORDS[COMP_CWORD]}
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prev=${COMP_WORDS[COMP_CWORD-1]}
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# if prev argument is -f, return possible filename completions.
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# we could be a little smarter here and return matches against
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# `makefile Makefile *.mk', whatever exists
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case "$prev" in
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-*f) COMPREPLY=( $(compgen -f $cur ) ); return 0;;
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esac
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# if we want an option, return the possible posix options
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case "$cur" in
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-) COMPREPLY=(-e -f -i -k -n -p -q -r -S -s -t); return 0;;
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esac
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# make reads `makefile' before `Makefile'
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# GNU make reads `GNUmakefile' before all other makefiles, but we
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# check that we're completing `gmake' before checking for it
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if [ -f GNUmakefile ] && [ ${COMP_WORDS[0]} == gmake ]; then
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mdef=GNUmakefile
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elif [ -f makefile ]; then
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mdef=makefile
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elif [ -f Makefile ]; then
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mdef=Makefile
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else
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mdef=*.mk # local convention
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fi
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# before we scan for targets, see if a makefile name was specified
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# with -f
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for (( i=0; i < ${#COMP_WORDS[@]}; i++ )); do
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if [[ ${COMP_WORDS[i]} == -*f ]]; then
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eval makef=${COMP_WORDS[i+1]} # eval for tilde expansion
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break
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fi
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done
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[ -z "$makef" ] && makef=$mdef
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# if we have a partial word to complete, restrict completions to
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# matches of that word
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if [ -n "$2" ]; then gcmd='grep "^$2"' ; else gcmd=cat ; fi
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# if we don't want to use *.mk, we can take out the cat and use
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# test -f $makef and input redirection
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COMPREPLY=( $(cat $makef 2>/dev/null | awk 'BEGIN {FS=":"} /^[^.# ][^=]*:/ {print $1}' | tr -s ' ' '\012' | sort -u | eval $gcmd ) )
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}
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complete -F _make_targets -X '+($*|*.[cho])' make gmake pmake
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_umount_func ()
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{
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COMPREPLY=( $(mount | awk '{print $1}') )
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}
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complete -F _umount_func umount
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_configure_func ()
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{
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case "$2" in
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-*) ;;
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*) return ;;
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esac
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case "$1" in
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\~*) eval cmd=$1 ;;
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*) cmd="$1" ;;
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esac
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COMPREPLY=( $("$cmd" --help | awk '{if ($1 ~ /--.*/) print $1}' | grep ^"$2" | sort -u) )
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}
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complete -F _configure_func configure
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complete -W '"${GROUPS[@]}"' newgrp
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complete -f chown ln more cat
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complete -d mkdir rmdir
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complete -f strip
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complete -f -X '*.gz' gzip
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complete -f -X '*.bz2' bzip2
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complete -f -X '*.Z' compress
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complete -f -X '!*.+(gz|tgz|Gz)' gunzip gzcat zcat zmore
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complete -f -X '!*.Z' uncompress zmore zcat
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complete -f -X '!*.bz2' bunzip2 bzcat
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complete -f -X '!*.zip' unzip
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complete -f -X '!*.+(gif|jpg|jpeg|GIF|JPG|JPEG|bmp)' xv
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complete -f -X '!*.pl' perl perl5
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complete -A hostname rsh telnet rlogin ftp ping xping host traceroute nslookup
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complete -A hostname rxterm rxterm3 rxvt2
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complete -u su
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complete -g newgrp groupdel groupmod
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complete -f -X '!*.+(ps|PS)' gs gv ghostview psselect pswrap
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complete -f -X '!*.+(dvi|DVI)' dvips xdvi dviselect dvitype catdvi
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complete -f -X '!*.+(pdf|PDF)' acroread4
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complete -f -X '!*.texi*' makeinfo texi2dvi texi2html
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complete -f -X '!*.+(tex|TEX)' tex latex slitex
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complete -f -X '!*.+(mp3|MP3)' mpg123
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complete -f -X '!*.+(htm|html)' links w3m lynx
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#
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# other possibilities, left as exercises
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#
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#complete -F _find_func find
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#complete -F _man_func man
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#complete -F _stty_func stty
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