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# pro-archman
# src/locale.sh
# Locale functions
#
# Copyright (C) 2012, 2013, 2017, 2019 Patrick McDermott
#
# This file is part of the ProteanOS Archive Manager.
#
# The ProteanOS Archive Manager 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.
#
# The ProteanOS Archive Manager 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 the ProteanOS Archive Manager. If not, see
# <http://www.gnu.org/licenses/>.
DEFAULT_LOCALE='en_US'
_try_load_locale()
{
local localedir="${1}"
local locale="${2}"
shift 2
local ms=
for ms in "${localedir}/${locale}/LC_MESSAGES/${TEXTDOMAIN}.ms" \
"${localedir}/${locale}.ms"; do
# POSIX on the dot utility:
# "If no readable file is found, a non-interactive shell shall
# abort"
# So to survive an ENOENT or other error and display a more
# informative error message before aborting, we need this
# eval/cat command. This is more resilient against race
# conditions than `[ -f "${ms}" ]` is.
ms="$(cat -- "${ms}" 2>/dev/null)" || continue
eval "${ms}"
return 0
done
return 1
}
load_locale()
{
local localedir=
# Make sure LC_MESSAGES is set.
if [ "x${LC_MESSAGES+set}" != 'xset' ]; then
if [ "x${LC_ALL+set}" = 'xset' ]; then
LC_MESSAGES="${LC_ALL}"
elif [ "x${LANG+set}" = 'xset' ]; then
LC_MESSAGES="${LANG}"
else
LC_MESSAGES="${DEFAULT_LOCALE}"
fi
fi
if ${in_place}; then
localedir="${builddir}/locale"
else
localedir="${LOCALEDIR}"
fi
# Try to load the locale.
if ! _try_load_locale "${localedir}" \
"${LC_MESSAGES%.*}"; then
if ! _try_load_locale "${localedir}" \
"${LC_MESSAGES%_*}"; then
if ! _try_load_locale "${localedir}" \
"${DEFAULT_LOCALE}"; then
error 1 'Cannot load locale'
return 1
fi
fi
fi
return 0
}
get_msg()
{
local msgid="${1}"
shift 1
eval "printf '%s' \"\${msg_${TEXTDOMAIN}_${msgid}}\""
return 0
}
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