159 lines
4.1 KiB
Bash
159 lines
4.1 KiB
Bash
#! /bin/sh
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# Wrapper around gettext for programs using the msgid convention.
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# Copyright 1998, 2001, 2002 Free Software Foundation, Inc.
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# Written by Paul Eggert <eggert@twinsun.com>.
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# Revised by Zack Weinberg <zackw@stanford.edu> for no-POTFILES operation.
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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 2, or (at your option)
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# 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 GNU CC; see the file COPYING. If not, write to
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# the Free Software Foundation, 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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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 arguments to this wrapper are: the program to execute, the
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# name of the "package", and the path to the source directory.
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if [ $# -ne 3 ]
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then echo "usage: $0 <xgettext> <package> <srcdir>"
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exit 1
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fi
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xgettext=$1
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package=$2
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srcdir=$3
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nl='
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'
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set -e
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# Create temporary directory for scratch files.
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T=exg$$.d
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mkdir $T
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trap "rm -r $T" 0
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pwd=`${PWDCMD-pwd}`
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kopt=$pwd/$T/keyword-options
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emsg=$pwd/$T/emsgids.c
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posr=$pwd/$T/po-sources
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# Locate files to scan, and generate the list. All .c, .h, and .def files
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# in $srcdir are examined, likewise $srcdir/config and $srcdir/config/*
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# (directories). Also, all subdirectories of $srcdir that contain a
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# config-lang.in. Exclusions come from $srcdir/po/EXCLUDE.
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#
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# Then generate keyword options for xgettext, by scanning for declarations
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# of functions whose parameter names end in "msgid".
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#
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# Finally, generate a source file containing all %e strings from
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# driver specs, so those can be translated too.
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#
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# All in one huge awk script.
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echo "scanning for keywords and %e strings..." >&2
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( cd $srcdir
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lang_subdirs=`echo */config-lang.in | sed -e 's|config-lang\.in||g'`
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for dir in "" config/ config/*/ $lang_subdirs
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do for glob in '*.c' '*.h' '*.def'
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do eval echo $dir$glob
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done
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done | tr ' ' "$nl" | grep -v '\*' |
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$AWK -v excl=po/EXCLUDES -v posr=$posr -v kopt=$kopt -v emsg=$emsg '
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function keyword_option(line) {
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paren_index = index(line, "(")
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name = substr(line, 1, paren_index - 1)
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sub(/[^0-9A-Z_a-z]*$/, "", 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(line, 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) { keyword = name }
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else { keyword = name ":" n }
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if (! keyword_seen[keyword]++) {
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print "--keyword=" keyword > kopt
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}
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}
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function spec_error_string (line) {
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while ((percent_index = index(line, "%e")) != 0) {
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escape = substr(line, percent_index - 1, 1)
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line = substr(line, percent_index + 2)
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if (escape == "%") return
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bracket_index = index(line, "}")
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if (bracket_index == 0) return
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msgid = substr(line, 1, bracket_index - 1)
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if (index(msgid, "%") != 0) return
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printf("#line %d \"%s\"\n", lineno, file) > emsg
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printf("_(\"%s\")\n", msgid) > emsg
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line = substr(line, bracket_index + 1)
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}
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}
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BEGIN {
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while ((getline < excl) > 0) {
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if ($0 ~ /^#/ || $0 ~ /^[ ]*$/)
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continue
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excludes[$1] = 1
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}
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}
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{ if (!($0 in excludes)) {
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print > posr
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files[NR] = $0
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}
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}
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END {
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for (f in files) {
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file = files[f]
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lineno = 1
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while (getline < file) {
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if (/^(#[ ]*define[ ]*)?[A-Za-z_].*\(.*msgid[,\)]/) {
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keyword_option($0)
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} else if (/%e/) {
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spec_error_string($0)
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}
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lineno++
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}
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}
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print emsg > posr
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}'
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)
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# Run the xgettext command, with temporary added as a file to scan.
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echo "running xgettext..." >&2
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$xgettext --default-domain=$package --directory=$srcdir \
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--add-comments `cat $kopt` --files-from=$posr \
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--language=c -o po/$package.pot
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