lib/locale.sh: New file.

2 files changed, 122 insertions, 0 deletions

diff --git a/lib/local.mk b/lib/local.mk
index 487efa7..0f7c62d 100644
--- a/lib/local.mk
+++ b/lib/local.mk
@@ -20,5 +20,6 @@ pkglib_srcs = \
 	lib/load.sh \
 	lib/common.sh \
 	lib/output.sh \
+	lib/locale.sh \
 	lib/buildsystem.sh \
 	$(lib_buildsystem_srcs)
diff --git a/lib/locale.sh b/lib/locale.sh
new file mode 100644
index 0000000..c8075ea
--- /dev/null
+++ b/lib/locale.sh
@@ -0,0 +1,121 @@
+# opkbuild
+# lib/locale
+# Locale functions.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ -n "${_OH_LOCALE_SM}" ] && return 0
+_OH_LOCALE_SM='true'
+
+oh_use output
+
+_OH_DEFAULT_LOCALE='en_US'
+_OH_INTERNAL_TEXT_DOMAIN='opkhelper'
+_OH_TEXT_DOMAIN=
+_OH_LOCALE_PATH='@@LOCALEDIR@@/%s/LC_MESSAGES/%s.ms'
+
+oh_get_text_domain()
+{
+	if [ ${#} -ne 0 ]; then
+		return 125
+	fi
+
+	echo "${_OH_TEXT_DOMAIN}"
+	return 0
+}
+
+oh_set_text_domain()
+{
+	if [ ${#} -eq 1 ]; then
+		_OH_TEXT_DOMAIN="${1}"
+	else
+		return 125
+	fi
+
+	# Make sure LC_MESSAGES is set.
+	if [ -z "${LC_MESSAGES}" ]; then
+		if [ -n "${LC_ALL}" ]; then
+			LC_MESSAGES="${LC_ALL}"
+		elif [ -n "${LANG}" ]; then
+			LC_MESSAGES="${LANG}"
+		else
+			LC_MESSAGES="${_OH_DEFAULT_LOCALE}"
+		fi
+	fi
+
+	# TODO: Exit early if domain's messages have already been loaded.
+
+	# Try to load the messages.
+	if ! _oh_try_load_messages "${LC_MESSAGES%.*}"; then
+		if ! _oh_try_load_messages "${LC_MESSAGES%_*}"; then
+			if ! _oh_try_load_messages "${_OH_DEFAULT_LOCALE}"; then
+				oh_warn 'Cannot load messages in "%s" domain.' \
+					"${_OH_TEXT_DOMAIN}"
+				return 1
+			fi
+		fi
+	fi
+
+	return 0
+}
+
+oh_set_locale_path()
+{
+	local format=
+
+	if [ ${#} -eq 1 ]; then
+		format="${1}"
+	else
+		return 125
+	fi
+
+	_OH_LOCALE_PATH="${format}"
+
+	return 0
+}
+
+oh_get_msg()
+{
+	local msgid=
+
+	if [ ${#} -eq 1 ]; then
+		msgid="${1}"
+	else
+		return 125
+	fi
+
+	IFS= eval echo \$\{"msg_${_OH_TEXT_DOMAIN}_${msgid}"\}
+
+	return 0
+}
+
+_oh_try_load_messages()
+{
+	local locale=
+	local ms=
+
+	locale="${1}"
+	ms="$(printf "${_OH_LOCALE_PATH}" \
+		"${locale}" "${_OH_TEXT_DOMAIN}")"
+
+	if [ -f "${ms}" ]; then
+		. "${ms}"
+	else
+		return 1
+	fi
+
+	return 0
+}