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# **** License ****
# Version: VPL 1.0
#
# The contents of this file are subject to the Vyatta Public License
# Version 1.0 ("License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.vyatta.com/vpl
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2006, 2007 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Tom Grennan
# Date: 2007
# Description: setup bash completion for Vyatta operational commands
#
# **** End License ****
test -f /etc/default/vyatta && \
source /etc/default/vyatta
test ! -d "$vyatta_op_templates" && \
return 0
# don't do this if we are going into configure mode
if [ "$_OFR_CONFIGURE" == "ok" ]; then
return 0
fi
declare _vyatta_op_last_comp
# $1: label
# #2...: strings
_vyatta_op_debug ()
{
echo -ne \\n$1:
shift
for s ; do
echo -ne " \"$s\""
done
}
_vyatta_op_init ()
{
for xd in $vyatta_op_templates/* ; do
if [ -d $xd ] ; then
cmd=${xd##*/}
complete -F _vyatta_op_expand $cmd
eval alias $cmd=\'_vyatta_op_run $cmd\'
fi
done
bind 'set show-all-if-ambiguous on'
shopt -s histverify
}
_vyatta_op_get_node_def_field ()
{
local file=$1 field=$2
sed -n '/^'"$field"':/,$ {
# strip field name and hold rest of line
s/[a-z]*: *//
h
:b
# at EOF, print hold buffer and quit
$ { x; p; q }
# input next line
n
# if start of another field def, print hold buf and quit
/^[a-z]*:/ { x; p; q }
# add to hold buf and branch to input next line
H
bb
}' $file
}
# $1: label
# $2...: help
_vyatta_op_print_help ()
{
local label=$1 ; shift
local -i len=12
if [ ${#label} -lt $len ] ; then
printf "\n %-${len}s\t%b" "$label" "$*"
else
printf "\n %s\n\t\t%b" "$label" "$*"
fi
}
# $1: $cur
# $2: $node_path
# $3...: possible completions
_vyatta_op_help ()
{
local cur=$1; shift
local node_path=$1; shift
local ndef node_tag_help help
ndef=$node_path/node.tag/node.def
[ -f $ndef ] && \
node_tag_help=$( _vyatta_op_get_node_def_field $ndef help )
echo -en "\nPossible completions:"
for comp ; do
if [ -z "$comp" ] ; then
_vyatta_op_print_help '*' "$node_tag_help"
elif [[ -z "$cur" || $comp == ${cur}* ]] ; then
ndef=$node_path/$comp/node.def
if [ -f $ndef ] ; then
help=$( _vyatta_op_get_node_def_field $ndef help )
else
help=$node_tag_help
fi
_vyatta_op_print_help "$comp" "$help"
fi
done
}
# $1: cur
# $2...: comps
_vyatta_op_compreply ()
{
local cur=$1; shift
COMPREPLY=($( compgen -W "$*" -- $cur ))
# if the last command line arg is empty and we have
# an empty completion option (meaning wild card),
# append a blank(s) to the completion array to force ambiguity
if [ -z "$cur" ] ; then
for comp ; do
if [ -z "$comp" ] ; then
if [ ${#COMPREPLY[@]} -eq 0 ] ; then
COMPREPLY+=( " " "" )
else
COMPREPLY+=( " " )
fi
fi
done
fi
if [ "${COMP_WORDS[*]}" == "$_vyatta_op_last_comp" ] ; then
_vyatta_op_help "$cur" "$node_path" "${comps[@]}"
COMPREPLY=( "" " " )
_vyatta_op_last_comp=""
else
_vyatta_op_last_comp="${COMP_WORDS[*]}"
fi
}
_vyatta_op_expand ()
{
local cur=${COMP_WORDS[COMP_CWORD]}
local node_path=$vyatta_op_templates
local -a comps
local restore_shopts=$( shopt -p extglob nullglob | tr \\n \; )
shopt -s extglob nullglob
for (( i=0 ; i<COMP_CWORD ; i++ )) ; do
if [ -f "$node_path/${COMP_WORDS[i]}/node.def" ] ; then
node_path+=/${COMP_WORDS[i]}
elif [ -f $node_path/node.tag/node.def ] ; then
node_path+=/node.tag
else
echo -e \\a
COMPREPLY=( "" " " )
return 1
fi
done
for ndef in $node_path/*/node.def ; do
if [[ $ndef == */node.tag/node.def ]] ; then
local acmd=$( _vyatta_op_get_node_def_field $ndef allowed )
local -a a=($( eval "$acmd" ))
if [ ${#a[@]} -ne 0 ] ; then
comps+=( "${a[@]}" )
else
comps+=( "" )
fi
else
local sdir=${ndef%/*}
comps+=( ${sdir##*/} )
fi
done
_vyatta_op_compreply "$cur" "${comps[@]}"
eval $restore_shopts
}
_vyatta_op_run ()
{
local -i estat
local tpath=$vyatta_op_templates
local restore_shopts=$( shopt -p extglob nullglob | tr \\n \; )
shopt -s extglob nullglob
_vyatta_op_last_comp=""
false; estat=$?
for arg ; do
if [ -f "$tpath/$arg/node.def" ] ; then
tpath+=/$arg
elif [ -f $tpath/node.tag/node.def ] ; then
tpath+=/node.tag
else
echo "Invalid command" >&2
return 1
fi
done
eval "$(_vyatta_op_get_node_def_field $tpath/node.def run)"
eval $restore_shopts
}
_vyatta_op_init $@
### Local Variables:
### mode: shell-script
### End:
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