Beginning to translate the project

Makefile

@@ -1,6 +1,6 @@
 PACKAGE	= PDFViewer
 VERSION	= 0.0.1
-SUBDIRS	= data doc src
+SUBDIRS	= data doc po src
 RM	= rm -f
 LN	= ln -f
 TAR	= tar -czvf
@@ -28,6 +28,11 @@ dist:
 		$(PACKAGE)-$(VERSION)/doc/docbook.sh \
 		$(PACKAGE)-$(VERSION)/doc/pdfviewer.xml \
 		$(PACKAGE)-$(VERSION)/doc/project.conf \
+		$(PACKAGE)-$(VERSION)/po/Makefile \
+		$(PACKAGE)-$(VERSION)/po/gettext.sh \
+		$(PACKAGE)-$(VERSION)/po/POTFILES \
+		$(PACKAGE)-$(VERSION)/po/fr.po \
+		$(PACKAGE)-$(VERSION)/po/project.conf \
 		$(PACKAGE)-$(VERSION)/src/callbacks.c \
 		$(PACKAGE)-$(VERSION)/src/pdfviewer.c \
 		$(PACKAGE)-$(VERSION)/src/main.c \

po/Makefile

@@ -0,0 +1,31 @@
+TARGETS	= PDFViewer.pot fr.mo
+PREFIX	= /usr/local
+DESTDIR	=
+RM	= rm -f
+LN	= ln -f
+MKDIR	= mkdir -m 0755 -p
+INSTALL	= install
+
+
+all: $(TARGETS)
+
+PDFViewer.pot: POTFILES
+	./gettext.sh -P "$(PREFIX)" -- "PDFViewer.pot"
+
+fr.mo: PDFViewer.pot fr.po
+	./gettext.sh -P "$(PREFIX)" -- "fr.mo"
+
+clean:
+	$(RM) -- $(PDFViewer.pot_OBJS) $(fr.mo_OBJS)
+	./gettext.sh -c -P "$(PREFIX)" -- "fr.mo"
+
+distclean: clean
+	$(RM) -- $(TARGETS)
+
+install: $(TARGETS)
+	./gettext.sh -P "$(DESTDIR)$(PREFIX)" -i -- "fr.mo"
+
+uninstall:
+	./gettext.sh -P "$(DESTDIR)$(PREFIX)" -u -- "fr.mo"
+
+.PHONY: all clean distclean install uninstall

po/POTFILES

@@ -0,0 +1 @@
+../src/main.c

po/fr.po

@@ -0,0 +1,21 @@
+# $Id$
+# Copyright (c) 2013 Pierre Pronchery <khorben@defora.org>
+# This file is distributed under the same license as the PDFViewer package.
+# Pierre Pronchery <khorben@defora.org>, 2013.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: PDFViewer 0.0.01\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2013-10-31 00:49+0100\n"
+"PO-Revision-Date: 2013-10-31 00:44+0100\n"
+"Last-Translator: Pierre Pronchery <khorben@defora.org>\n"
+"Language-Team: French\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+#: ../src/main.c:55
+msgid "Usage: pdfviewer [file]\n"
+msgstr "Usage: pdfviewer [fichier]\n"

po/gettext.sh

@@ -0,0 +1,169 @@
+#!/bin/sh
+#$Id$
+#Copyright (c) 2010-2013 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
+PREFIX="/usr/local"
+. "../config.sh"
+LOCALEDIR="$PREFIX/share/locale"
+POTFILES="POTFILES"
+#executables
+DEBUG="_debug"
+INSTALL="install -m 0644"
+MKDIR="mkdir -p"
+MSGFMT="msgfmt"
+MSGINIT="msginit"
+MSGMERGE="msgmerge"
+RM="rm -f"
+XGETTEXT="xgettext --force-po"
+
+
+#functions
+#debug
+_debug()
+{
+	echo "$@" 1>&2
+	"$@"
+}
+
+
+#usage
+_usage()
+{
+	echo "Usage: gettext.sh [-c|-i|-u][-P prefix] target..." 1>&2
+	return 1
+}
+
+
+#gettext_mo
+_gettext_mo()
+{
+	package="$1"
+	lang="$2"
+
+	_gettext_po "$package" "$lang"				|| return 1
+	$DEBUG $MSGFMT -c -v -o "$lang.mo" "$lang.po"		|| return 1
+}
+
+
+#gettext_po
+_gettext_po()
+{
+	package="$1"
+	lang="$2"
+
+	if [ -f "$lang.po" ]; then
+		$DEBUG $MSGMERGE -U "$lang.po" "$package.pot"	|| return 1
+	else
+		$DEBUG $MSGINIT -l "$lang" -o "$lang.po" -i "$package.pot" \
+								|| return 1
+	fi
+}
+
+
+#gettext_pot
+_gettext_pot()
+{
+	package="$1"
+
+	$DEBUG $XGETTEXT -d "$package" -o "$package.pot" --keyword="_" \
+			--keyword="N_" -f "$POTFILES"		|| return 1
+}
+
+
+#main
+clean=0
+install=0
+uninstall=0
+while getopts "ciuP:" name; do
+	case "$name" in
+		c)
+			clean=1
+			;;
+		i)
+			uninstall=0
+			install=1
+			;;
+		u)
+			install=0
+			uninstall=1
+			;;
+		P)
+			PREFIX="$2"
+			;;
+		?)
+			_usage
+			exit $?
+			;;
+	esac
+done
+shift $(($OPTIND - 1))
+if [ $# -eq 0 ]; then
+	_usage
+	exit $?
+fi
+
+LOCALEDIR="$PREFIX/share/locale"
+while [ $# -gt 0 ]; do
+	target="$1"
+	lang="${target%%.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)
+			_gettext_mo "$PACKAGE" "$lang"		|| exit 2
+			;;
+		*.po)
+			_gettext_po "$PACKAGE" "$lang"		|| exit 2
+			;;
+		*.pot)
+			_gettext_pot "${target%%.pot}"		|| exit 2
+			;;
+		*)
+			exit 2
+			;;
+	esac
+done

po/project.conf

@@ -0,0 +1,13 @@
+targets=PDFViewer.pot,fr.mo
+dist=Makefile,gettext.sh,POTFILES,fr.po
+
+[PDFViewer.pot]
+type=script
+script=./gettext.sh
+depends=POTFILES
+
+[fr.mo]
+type=script
+script=./gettext.sh
+install=
+depends=PDFViewer.pot,fr.po

project.conf

@@ -2,5 +2,5 @@ package=PDFViewer
 version=0.0.1
 config=h,sh
 
-subdirs=data,doc,src
+subdirs=data,doc,po,src
 dist=Makefile,COPYING,config.h,config.sh

src/main.c

@@ -1,5 +1,6 @@
 /* $Id$ */
 /* Copyright (c) 2010 Sébastien Bocahu <zecrazytux@zecrazytux.net> */
+/* Copyright (c) 2013 Pierre Pronchery <khorben@defora.org> */
 /* 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, version 3 of the License.
@@ -14,29 +15,58 @@
 
 #include <unistd.h>
 #include <stdio.h>
+#include <locale.h>
+#include <libintl.h>
 #include "pdfviewer.h"
 #include "../config.h"
+#define _(string) gettext(string)
 
 /* constants */
 #ifndef PREFIX
 # define PREFIX		"/usr/local"
 #endif
+#ifndef DATADIR
+# define DATADIR	PREFIX "/share"
+#endif
+#ifndef LOCALEDIR
+# define LOCALEDIR	DATADIR "/locale"
+#endif
+
+
+/* private */
+/* prototypes */
+static int _error(char const * message, int ret);
+static int _usage(void);
 
 
 /* functions */
+/* error */
+static int _error(char const * message, int ret)
+{
+	fputs("pdfviewer: ", stderr);
+	perror(message);
+	return ret;
+}
+
+
 /* usage */
 static int _usage(void)
 {
-	fputs("Usage: pdfviewer [file]\n", stderr);
+	fputs(_("Usage: pdfviewer [file]\n"), stderr);
 	return 1;
 }
 
+
 /* main */
 int main(int argc, char * argv[])
 {
 	int o;
 	PDFviewer * pdfviewer;
 
+	if(setlocale(LC_ALL, "") == NULL)
+		_error("setlocale", 1);
+	bindtextdomain(PACKAGE, LOCALEDIR);
+	textdomain(PACKAGE);
 	gtk_init(&argc, &argv);
 	while((o = getopt(argc, argv, "")) != -1)
 		switch(o)