lib/locale.sh: New file.

3 files changed, 82 insertions, 0 deletions

diff --git a/lib/cmd.sh b/lib/cmd.sh
index ff81c4a..0f5ea95 100644
--- a/lib/cmd.sh
+++ b/lib/cmd.sh
@@ -20,6 +20,8 @@
 [ "x${_CMD_SM+set}" = 'xset' ] && return 0
 _CMD_SM=1
 
+use locale
+
 cmds=
 
 load_cmds()
diff --git a/lib/local.mk b/lib/local.mk
index e135474..a17b6e6 100644
--- a/lib/local.mk
+++ b/lib/local.mk
@@ -2,4 +2,5 @@
 # lib/local.mk
 
 pkglib_srcs = \
+	lib/locale.sh \
 	lib/cmd.sh
diff --git a/lib/locale.sh b/lib/locale.sh
new file mode 100644
index 0000000..33245aa
--- /dev/null
+++ b/lib/locale.sh
@@ -0,0 +1,79 @@
+# pro-archman
+# lib/locale.sh
+# Locale functions
+#
+# Copyright (C) 2012, 2013  Patrick "P. J." McDermott
+#
+# 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 3 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/>.
+
+[ "x${_LOCALE_SM+set}" = 'xset' ] && return 0
+_LOCALE_SM=1
+
+LOCALEDIR='@@LOCALEDIR@@'
+LOCALE_PATH='%s/%s/LC_MESSAGES/%s.ms'
+DEFAULT_LOCALE='en_US'
+TEXT_DOMAIN='pro_archman'
+
+load_locale()
+{
+	# Make sure LC_MESSAGES is set.
+	if [ "x${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="${DEFAULT_LOCALE}"
+		fi
+	fi
+
+	# Try to load the locale.
+	if ! _try_load_locale "${LC_MESSAGES%.*}"; then
+		if ! _try_load_locale "${LC_MESSAGES%_*}"; then
+			if ! _try_load_locale "${DEFAULT_LOCALE}"; then
+				printf 'Cannot load locale' >&2
+				return 1
+			fi
+		fi
+	fi
+
+	return 0
+}
+
+get_msg()
+{
+	local msgid="${1}"
+
+	eval "printf '%s' \"\${msg_${TEXT_DOMAIN}_${msgid}}"
+
+	return 0
+}
+
+_try_load_locale()
+{
+	local localedir="${1}"
+	local locale="${2}"
+	local ms
+
+	ms="$(printf "${LOCALE_PATH}" \
+		"${localedir}" "${locale}" "${TEXT_DOMAIN}")"
+
+	if [ -f "${ms}" ]; then
+		. "${ms}"
+	else
+		return 1
+	fi
+
+	return 0
+}