1 files changed, 84 insertions, 0 deletions
diff --git a/src/locale.sh b/src/locale.sh
new file mode 100644
index 0000000..76d2d9b
--- /dev/null
+++ b/src/locale.sh
@@ -0,0 +1,84 @@
+# Locale functions
+#
+# Copyright (C) 2012, 2013  Patrick "P. J." McDermott
+#
+# This file is part of the ProteanOS Development Kit.
+#
+# The ProteanOS Development Kit 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 3 of the
+# License, or (at your option) any later version.
+#
+# The ProteanOS Development Kit 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 the ProteanOS Development Kit.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+DEFAULT_LOCALE='en_US'
+
+load_locale()
+{
+	local localedir=
+
+	# Make sure LC_MESSAGES is set.
+	if [ "x${LC_MESSAGES+set}" != 'xset' ]; then
+		if [ "x${LC_ALL+set}" = 'xset' ]; then
+			LC_MESSAGES="${LC_ALL}"
+		elif [ "x${LANG+set}" = 'xset' ]; then
+			LC_MESSAGES="${LANG}"
+		else
+			LC_MESSAGES="${DEFAULT_LOCALE}"
+		fi
+	fi
+
+	if ${in_place}; then
+		localedir="${builddir}/locale"
+	else
+		localedir="${LOCALEDIR}"
+	fi
+
+	# Try to load the locale.
+	if ! _try_load_locale "${localedir}" \
+			"${LC_MESSAGES%.*}"; then
+		if ! _try_load_locale "${localedir}" \
+				"${LC_MESSAGES%_*}"; then
+			if ! _try_load_locale "${localedir}" \
+					"${DEFAULT_LOCALE}"; then
+				warn 'Cannot load locale'
+				return 1
+			fi
+		fi
+	fi
+
+	return 0
+}
+
+get_msg()
+{
+	local msgid="${1}"
+
+	eval "printf '%s' \"\${msg_${TEXTDOMAIN}_${msgid}}\""
+
+	return 0
+}
+
+_try_load_locale()
+{
+	local localedir="${1}"
+	local locale="${2}"
+	local ms=
+
+	for ms in "${localedir}/${locale}/LC_MESSAGES/${TEXTDOMAIN}.ms" \
+			"${localedir}/${locale}.ms"; do
+		if [ -f "${ms}" ]; then
+			. "${ms}"
+			return 0
+		fi
+	done
+
+	return 1
+}