Flashlight

#!/bin/sh
#$Id$
#Copyright (c) 2010-2020 Pierre Pronchery <khorben@defora.org>
#
#Redistribution and use in source and binary forms, with or without
#modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
#FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
#DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#variables
CONFIGSH="${0%/gettext.sh}/../config.sh"
PREFIX="/usr/local"
LOCALEDIR="$PREFIX/share/locale"
POTFILES="POTFILES"
PROGNAME="gettext.sh"
#executables
DEBUG="_debug"
INSTALL="install -m 0644"
MKDIR="mkdir -p"
MSGFMT="msgfmt"
MSGINIT="msginit"
MSGMERGE="msgmerge"
RM="rm -f"
XGETTEXT="xgettext --force-po"
[ -f "$CONFIGSH" ] && . "$CONFIGSH"
#functions
#debug
_debug()
{
echo "$@" 1>&3
"$@"
}
#error
_error()
{
echo "$PROGNAME: $@" 1>&2
return 2
}
#usage
_usage()
{
echo "Usage: $PROGNAME [-c|-i|-u][-P prefix] target..." 1>&2
return 1
}
#gettext_mo
_gettext_mo()
{
package="$1"
lang="$2"
potfile="$3"
pofile="$4"
mofile="$5"
_gettext_po "$package" "$lang" "$potfile" "$pofile" || return 1
$DEBUG $MSGFMT -c -v -o "$mofile" "$pofile" || return 1
}
#gettext_po
_gettext_po()
{
package="$1"
lang="$2"
potfile="$3"
pofile="$4"
if [ -f "$pofile" ]; then
$DEBUG $MSGMERGE -U "$pofile" "$potfile" || return 1
else
$DEBUG $MSGINIT -l "$lang" -o "$pofile" -i "$potfile" \
|| return 1
fi
}
#gettext_pot
_gettext_pot()
{
package="$1"
potfile="$2"
$DEBUG $XGETTEXT -d "$package" -o "$potfile" --keyword="_" \
--keyword="N_" -f "$POTFILES" || return 1
}
#main
clean=0
install=0
uninstall=0
while getopts "ciO:uP:" name; do
case "$name" in
c)
clean=1
;;
i)
uninstall=0
install=1
;;
O)
export "${OPTARG%%=*}"="${OPTARG#*=}"
;;
u)
install=0
uninstall=1
;;
P)
PREFIX="$OPTARG"
;;
?)
_usage
exit $?
;;
esac
done
shift $(($OPTIND - 1))
if [ $# -lt 1 ]; then
_usage
exit $?
fi
#check the variables
if [ -z "$PACKAGE" ]; then
_error "The PACKAGE variable needs to be set"
exit $?
fi
LOCALEDIR="$PREFIX/share/locale"
exec 3>&1
while [ $# -gt 0 ]; do
target="$1"
source="${target#$OBJDIR}"
lang="${source%%.mo}"
lang="${lang%%.po}"
shift
#clean
[ "$clean" -ne 0 ] && continue
#uninstall
if [ "$uninstall" -eq 1 ]; then
$DEBUG $RM "$LOCALEDIR/$lang/LC_MESSAGES/$PACKAGE.mo" \
|| exit 2
continue
fi
#install
if [ "$install" -eq 1 ]; then
$DEBUG $MKDIR "$LOCALEDIR/$lang/LC_MESSAGES" || exit 2
$DEBUG $INSTALL "$target" \
"$LOCALEDIR/$lang/LC_MESSAGES/$PACKAGE.mo" \
|| exit 2
continue
fi
#create
case "$target" in
*.mo)
#XXX may not match
if [ -n "$OBJDIR" ]; then
potfile="$OBJDIR/$PACKAGE.pot"
else
potfile="$PACKAGE.pot"
fi
mofile="$target"
pofile="${source%%.mo}.po"
_gettext_mo "$PACKAGE" "$lang" "$potfile" "$pofile" \
"$mofile" || exit 2
;;
*.po)
#XXX may not match
if [ -n "$OBJDIR" ]; then
potfile="$OBJDIR/$PACKAGE.pot"
else
potfile="$PACKAGE.pot"
fi
pofile="$target"
_gettext_po "$PACKAGE" "$lang" "$potfile" "$pofile" \
|| exit 2
;;
*.pot)
package="${source%%.pot}"
potfile="$target"
_gettext_pot "$package" "$potfile" || exit 2
;;
*)
exit 2
;;
esac
done