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|
#!/usr/bin/env bash
# Copyright (C) 2013-2014 Luke Shumaker <lukeshu@sbcglobal.net>
#
# License: GNU GPLv2+
#
# 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 2 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/>.
export TEXTDOMAIN='librelib'
export TEXTDOMAINDIR='/usr/share/locale'
default_simple=(
--keyword={eval_,}{gettext,'ngettext:1,2'}
--keyword={_,print,term_title}
--keyword={msg,msg2,warning,error,stat_busy,die}
--keyword={lock,slock}:3
)
default_prose=(--keyword={prose,bullet})
readonly default_simple default_prose
if ! type gettext &>/dev/null; then
gettext() { echo "$@"; }
fi
errusage() {
if [[ $# -gt 0 ]]; then
fmt="$(gettext "$1")"; shift
printf "${0##*/}: $fmt\n" "$@"
fi
usage >&2
}
usage() {
. libremessages
print 'Usage: %s [OPTIONS] FILES...' "${0##*/}"
print 'Generates .pot files for programs using libremessages'
echo
prose 'The keyword format is the same as in GNU xgettext.'
echo
prose 'The default simple keywords are: %s' "${default_simple[*]#--keyword=}"
echo
prose 'The default prose keywords are: %s' "${default_prose[*]#--keyword=}"
echo
print 'Options:'
flag '--simple=KEYWORD' 'Look for KEYWORD as an additional simple keyword'
flag '--prose=KEYWORD' 'Look for KEYWORD as an additional prose keyword'
flag '-k' 'Disable using the default keywords'
flag '-h, --help' 'Show this text'
}
xgettext-sh() {
xgettext --omit-header --from-code=UTF-8 -L shell -k -o - "$@"
}
xgettext-flag() {
{
declare -i x=0
declare -i i
for (( i=1; x < 3; i++ )); do
local out
out="$(xgettext-sh --keyword="flag:$i,\"$i\"" "$@")"
if [[ -n $out ]]; then
printf -- '%s\n' "$out"
else
x+=1
fi
done
} | whitespace-collapse | sed '/^\#, sh-format/d' | {
declare -i i
IFS=''
local segments=()
local re='^#\. ([0-9]+)$'
local line
while read -r line; do
if [[ $line =~ $re ]]; then
i=${BASH_REMATCH[1]}
else
segments[$i]+="$line"$'\n'
fi
done
declare -i last=$(printf '%s\n' "${!segments[@]}"|sed -n '$p')
IFS=$'\n'
local flag=true
for (( i=1; i <= last; i++ )); do
if $flag; then
local lines=(${segments[$i]})
if [[ ${lines[1]} == *':"' ]]; then
printf -- '%s\n' "${segments[$i]}"
else
flag=false
fi
else
if [[ -n ${segments[$i]} ]]; then
printf -- '%s\n' "${segments[$i]}"
fi
flag=true
fi
done
}
}
whitespace-collapse() {
tr '\n' '\r' | sed 's/"\r\s*"//g' | tr '\r' '\n' | # This removes the awkward word-wrapping done by xgettext
sed -r -e 's/(\\n|\\t|\t)/ /g' -e 's/(^|[^.!? ]) +/\1 /g' -e 's/([.!?]) +/\1 /g' # This collapses whitespace
}
main() {
local simple=()
local prose=()
local files=()
local use_defaults=true
local error=false
declare -i i
for (( i=1; i <= $#; i++ )); do
case "${!i}" in
--simple) i+=1; simple+=(--keyword="${!i}");;
--simple=*) simple+=(--keyword="${!i#*=}");;
--prose) i+=1; prose+=(--keyword="${!i}");;
--prose=*) prose+=(--keyword="${!i#*=}");;
-k) use_defaults=false;;
--help|-h) usage; return 0;;
--) i+=1; break;;
-*) errusage "unrecognized option: %s" "${!i}"; error=true;;
*) files+=("${!i}");;
esac
done
files+=("${@:$i}")
if [[ ${#files[@]} -lt 1 ]]; then
errusage "no input file given"
error=true
fi
if "$error"; then
return 1
fi
if "$use_defaults"; then
simple+=("${default_simple[@]}")
prose+=("${default_prose[@]}")
fi
# Main code
{
xgettext-sh "${simple[@]}" -- "${files[@]}"
xgettext-sh "${prose[@]}" -- "${files[@]}" | whitespace-collapse
xgettext-flag -- "${files[@]}"
} | sed '/^\#, sh-format/d' | msguniq -Fi
}
main "$@"
|
