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tc: bash-completion: Add the _from variant to _tc_one* funcs 

The _tc_one_of_list and _tc_once_attr functions simplfy the bash
completion task by validating each attr exist only once on the command
line.

For example, for the command line:

$ a b c d e

and the call to _tc_once_attr with "a f g", the function will suggest
"f g" as "a" existed in the command line in args 0.

Add the _from variant to those functions, which allows having the command
line option once from a specified index. In the previous example, calling
_tc_once_attr with 4 and "a f g" will suggest "a f g".

Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
This commit is contained in:
Yotam Gigi 2017-02-07 15:50:48 +02:00 committed by Stephen Hemminger
parent 787317f50a
commit 26e0996a87
1 changed files with 35 additions and 0 deletions
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35
bash-completion/tc
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@ -20,6 +20,26 @@ _tc_once_attr()
done done
} }
# Takes a list of words in argument; each one of them is added to COMPREPLY if
# it is not already present on the command line from the provided index. Returns
# no value.
_tc_once_attr_from()
{
local w subcword found from=$1
shift
for w in $*; do
found=0
for (( subcword=$from; subcword < ${#words[@]}-1; subcword++ )); do
if [[ $w == ${words[subcword]} ]]; then
found=1
break
fi
done
[[ $found -eq 0 ]] && \
COMPREPLY+=( $( compgen -W "$w" -- "$cur" ) )
done
}
# Takes a list of words in argument; adds them all to COMPREPLY if none of them # Takes a list of words in argument; adds them all to COMPREPLY if none of them
# is already present on the command line. Returns no value. # is already present on the command line. Returns no value.
_tc_one_of_list() _tc_one_of_list()
@ -33,6 +53,21 @@ _tc_one_of_list()
COMPREPLY+=( $( compgen -W "$*" -- "$cur" ) ) COMPREPLY+=( $( compgen -W "$*" -- "$cur" ) )
} }
# Takes a list of words in argument; adds them all to COMPREPLY if none of them
# is already present on the command line from the provided index. Returns no
# value.
_tc_one_of_list_from()
{
local w subcword from=$1
shift
for w in $*; do
for (( subcword=$from; subcword < ${#words[@]}-1; subcword++ )); do
[[ $w == ${words[subcword]} ]] && return 1
done
done
COMPREPLY+=( $( compgen -W "$*" -- "$cur" ) )
}
# Returns "$cur ${cur}arg1 ${cur}arg2 ..." # Returns "$cur ${cur}arg1 ${cur}arg2 ..."
_tc_expand_units() _tc_expand_units()
{ {