mirror of https://github.com/n-hys/bash.git
78 lines
1.8 KiB
Plaintext
78 lines
1.8 KiB
Plaintext
#
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# A function that works as a front end for both stty and the `bind'
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# builtin, so the tty driver and readline see the same changes
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#
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#
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# Chet Ramey <chet.ramey@case.edu>
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#
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# Copyright 2011 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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# Convert between the stty ^H control character form and the readline \C-H
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# form
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#
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cvt()
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{
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echo "$@" | cat -v | sed 's/\^/\\C-/'
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}
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#
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# stty front-end. Parses the argument list and creates two command strings,
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# one for stty, another for bind.
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#
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fstty()
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{
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local cmd="" bargs=""
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local e
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while [ $# -gt 0 ]
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do
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case "$1" in
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-a) cmd="$cmd everything"
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;;
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erase) shift;
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e=$(cvt "$1")
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cmd="$cmd erase $1"
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bargs="$bargs '\"$e\": backward-delete-char'"
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;;
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kill) shift
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e=$(cvt "$1")
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cmd="$cmd kill $1"
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bargs="$bargs '\"$e\": unix-line-discard'"
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;;
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werase) shift;
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e=$(cvt "$1")
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cmd="$cmd erase $1"
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bargs="$bargs '\"$e\": backward-kill-word'"
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;;
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lnext) shift;
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e=$(cvt "$1")
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cmd="$cmd erase $1"
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bargs="$bargs '\"$e\": quoted-insert'"
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;;
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*) cmd="$cmd $1"
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;;
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esac
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shift
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done
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command stty $cmd
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if [ -n "$bargs" ]; then
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builtin bind $bargs
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fi
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}
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