add goal parsing capability to the system

1 files changed, 79 insertions, 0 deletions

diff --git a/src/rcl_goal_utils.erl b/src/rcl_goal_utils.erl
new file mode 100644
index 0000000..75fcda4
--- /dev/null
+++ b/src/rcl_goal_utils.erl
@@ -0,0 +1,79 @@
+%% -*- mode: Erlang; fill-column: 80; comment-column: 75; -*-
+%%% Copyright 2012 Erlware, LLC. All Rights Reserved.
+%%%
+%%% This file is provided to you under the Apache License,
+%%% Version 2.0 (the "License"); you may not use this file
+%%% except in compliance with the License.  You may obtain
+%%% a copy of the License at
+%%%
+%%%   http://www.apache.org/licenses/LICENSE-2.0
+%%%
+%%% Unless required by applicable law or agreed to in writing,
+%%% software distributed under the License is distributed on an
+%%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+%%% KIND, either express or implied.  See the License for the
+%%% specific language governing permissions and limitations
+%%% under the License.
+%%%---------------------------------------------------------------------------
+%%% @author Eric Merritt <[email protected]>
+%%% @copyright (C) 2012 Erlware, LLC.
+%%%
+%%% @doc
+%%%  Utilities to help with parsing of target specs
+-module(rcl_goal_utils).
+
+-export([to_op/1,
+         to_vsn/1]).
+
+%%============================================================================
+%% types
+%%============================================================================
+
+
+%%============================================================================
+%% API
+%%============================================================================
+-spec to_op(iolist()) -> depsolver:constraint_op().
+to_op(List)
+  when erlang:is_list(List) ->
+    to_op(erlang:iolist_to_binary(List));
+to_op(<<"=">>) ->
+    '=';
+to_op(<<":">>) ->
+    '=';
+to_op(<<"-">>) ->
+    '=';
+to_op(<<"<">>) ->
+    'lt';
+to_op(<<":lt:">>) ->
+    'lt';
+to_op(<<"<=">>) ->
+    'lte';
+to_op(<<":lte:">>) ->
+    'lte';
+to_op(<<">">>) ->
+    'gt';
+to_op(<<":gt:">>) ->
+    'gt';
+to_op(<<">=">>) ->
+    'gte';
+to_op(<<":gte:">>) ->
+    'gte';
+to_op(<<"~>">>) ->
+    'pes';
+to_op(<<":pes:">>) ->
+    'pes';
+to_op(<<":btwn:">>) ->
+    'between';
+to_op(<<":between:">>) ->
+    'between'.
+
+
+to_vsn(Version) when erlang:is_list(Version) ->
+    to_vsn(erlang:iolist_to_binary(Version));
+to_vsn(Vsn) ->
+    depsolver:parse_version(Vsn).
+
+%%%===================================================================
+%%% Test Functions
+%%%===================================================================