1 files changed, 56 insertions, 0 deletions
diff --git a/libsh/alias.sh b/libsh/alias.sh
new file mode 100644
index 0000000..2945910
--- /dev/null
+++ b/libsh/alias.sh
@@ -0,0 +1,56 @@
+# Copyright (C) 2016  Patrick "P. J." McDermott
+#
+# This file is part of libsh.
+#
+# libsh is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# libsh 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 Lesser General Public
+# License along with libsh.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+static check_args()
+{
+	local params="${1}"
+	shift 1
+	local p=
+
+	IFS=' '
+	for p in ${params}; do
+		unset IFS
+		if ! [ ${#} -gt 0 ]; then
+			return 1
+		fi
+		case "${p}" in
+			'string')
+				;;
+			'int')
+				case "${1}" in *[!0-9]*) return 1;; esac
+				;;
+		esac
+		shift 1
+	done
+	unset IFS
+
+	if ! [ ${#} -eq 0 ]; then
+		return 1
+	fi
+
+	return 0
+}
+
+__alias()
+{
+	local fn="${1}"
+	local alias="${2}"
+	local params="${*}"
+
+	eval "${alias}() { ${check_args} \"\${params}\" \"\${@}\" && ${fn}; }"
+}