mirror of
https://https.git.savannah.gnu.org/git/diffutils.git
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115 lines
3.0 KiB
Bash
Executable File
115 lines
3.0 KiB
Bash
Executable File
#! /bin/sh
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# Wrapper around gettext for programs using the msgid convention.
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# Copyright (C) 1998, 2001, 2004, 2009-2013, 2015-2026 Free Software
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# Foundation, Inc.
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# Written by Paul Eggert <eggert@twinsun.com>.
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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 3 of the License, or
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# (at your option) any later version.
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# This 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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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Always operate in the C locale.
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LANG=C
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LANGUAGE=C
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LC_ALL=C
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export LANG LANGUAGE LC_ALL
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# Set AWK if environment has not already set it.
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AWK=${AWK-awk}
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# The argument to this wrapper is the xgettext command to be executed.
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# Extract the xgettext program name from the rest of the command.
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xgettext=${1?}
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shift
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# Save work if we're just wrapping a no-op.
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case $xgettext in
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:) exit;;
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esac
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# Find the files to be scanned, and the directory to scan them from.
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directory=.
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files=
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for i
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do
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case $i in
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--directory=*)
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directory=`expr " $i" : ' --directory=\(.*\)'`;;
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--files-from=*)
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files_from=`expr " $i" : ' --files-from=\(.*\)'`
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files=`$AWK '/^[^#]/ { print }' $files_from`;;
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esac
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done
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# Generate keyword options for xgettext,
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# by scanning for declarations of functions
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# whose parameter names end in "msgid".
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generate_keyword_options='
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/^[A-Z_a-z].*\(.*msgid[,)]/ {
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paren_index = index($0, "(")
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name = substr($0, 1, paren_index - 1)
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sub(/[^0-9A-Z_a-z]*$/, "", name)
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sub(/[ ]+PARAMS/, "", name)
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sub(/[ ]+VPARAMS/, "", name)
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sub(/.*[^0-9A-Z_a-z]/, "", name)
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args = substr($0, paren_index)
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sub(/msgid[,)].*/, "", args)
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for (n = 1; sub(/^[^,]*,/, "", args); n++) {
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continue;
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}
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if (n == 1) {
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keyword = name
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} else {
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keyword = name ":" n
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}
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if (! keyword_seen[keyword]++) {
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print "--keyword=" keyword
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}
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}
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'
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keyword_options=`(
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cd $directory &&
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$AWK "$generate_keyword_options" $files < /dev/null
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)` || exit
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# Run the xgettext command, with extra input containing the extra
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# msgids that it wouldn't normally find.
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generate_emsgids='
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/%e.*}/ {
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line = $0
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while ((percent_index = index(line, "%e")) != 0) {
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line = substr(line, percent_index + 2)
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bracket_index = index(line, "}")
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if (bracket_index == 0) {
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continue
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}
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msgid = substr(line, 1, bracket_index - 1)
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if (index(msgid, "%") != 0) {
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continue
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}
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printf "#line %d \"%s\"\n", FNR, FILENAME
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printf "_(\"%s\")\n", msgid
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line = substr(line, bracket_index + 1)
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}
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}
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'
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(cd $directory &&
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$AWK "$generate_emsgids" $files < /dev/null
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) | "$xgettext" $keyword_options ${1+"$@"} -
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