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# begin common.sh {{{
# Copyright (C) 2013-2014 Luke Shumaker <lukeshu@sbcglobal.net>
#
# This file is not considered part of GNU Emacs.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if type gettext &>/dev/null; then
_() { gettext "$@"; }
else
_() { echo "$@"; }
fi
print() {
printf -- "$(_ "$1")\n" "${@:2}"
}
flag() {
if [[ -z "$_flag_indent" ]]; then
local str=$(emacsclient --help |
sed -rn '/^-.*\s\s/{ s/(\s\s)\S.*/\1/p; q; }' |
expand)
declare -gi _flag_indent=${#str}
fi
printf -- "%- ${_flag_indent}s%s\n" "$1" "$(print "${@:2}")"
}
error() {
printf -- "%s: %s\n" "$0" "$(print "$@")" >&2
}
emacs_quote() {
declare -a args=("$@")
args=("${args[@]//\\/\\\\}") # \ -> \\
args=("${args[@]//\"/\\\"}") # " -> \"
printf -- '"%s" ' "${args[@]}" # wrap them in quotes, return
}
bash_quote() {
printf -- '%q ' "$@"
}
version() {
print '%s (Emacs utils) %s, %s' \
"${0##*/}" 0.9 "$(emacsclient --version)"
}
# Sets the global variables:
# - emacs_getopt_o
# - emacs_getopt_l
# - emacs_getopt_1
# - emacs_getopt_2
emacs_getopt_init() {
declare ifs="$IFS"
declare -a a_flags
IFS=$'\n' a_flags=($(
LC_ALL=C emacsclient --help |
grep ^- |
sed -e 's/\s\s.*//' -e 's/, /\n/g' |
sed -e 's/[ =].*/:/' -e 's/^-*//' |
grep -vEx 'e|eval'))
declare -a a_flags_o a_flags_l a_flags_1 a_flags_2
IFS=$'\n' a_flags_o=($(printf '%s\n' "${a_flags[@]}"|grep -v '^.[^:]'))
IFS=$'\n' a_flags_l=($(printf '%s\n' "${a_flags[@]}"|grep '^.[^:]'))
IFS=$'\n' a_flags_1=($(printf '%s\n' "${a_flags[@]}"|sed -rn -e 's/^(.)$/-\1/p' -e 's/^([^-].*[^:])$/--\1/p'))
IFS=$'\n' a_flags_2=($(printf '%s\n' "${a_flags[@]}"|sed -rn -e 's/^(.):$/-\1/p' -e 's/^([^-].*):$/--\1/p'))
printf -v emacs_getopt_o -- '%s' "${a_flags_o[@]}"
IFS=',' emacs_getopt_l=${a_flags_l[*]}
IFS='|' emacs_getopt_2="^(${a_flags_2[*]})\$"
IFS=$ifs
}
# Sets the global variable:
# - args
emacs_getopt() {
declare o="$1"
declare l="$2"
shift 2
emacs_getopt_init
args="$(getopt -a \
-n "$0" \
-o "${emacs_getopt_o}${o}" \
-l "${emacs_getopt_l}${l:+,$l}" \
-- "$@")"
}
emacs_usage() {
emacsclient --help | grep -E '^(\s|-)'
}
# }}} end common.sh
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