regulators: Implements support for and action

Enhance the configuration file parser to support the and action element.

Signed-off-by: Bob King <Bob_King@wistron.com>
Change-Id: I9099bf06606fb52ea7eaa374e2a2b1f924904d4f
diff --git a/phosphor-regulators/src/config_file_parser.cpp b/phosphor-regulators/src/config_file_parser.cpp
index 64b6121..e458ba7 100644
--- a/phosphor-regulators/src/config_file_parser.cpp
+++ b/phosphor-regulators/src/config_file_parser.cpp
@@ -67,9 +67,8 @@
     std::unique_ptr<Action> action{};
     if (element.contains("and"))
     {
-        // TODO: Not implemented yet
-        // action = parseAnd(element["and"]);
-        // ++propertyCount;
+        action = parseAnd(element["and"]);
+        ++propertyCount;
     }
     else if (element.contains("compare_presence"))
     {
@@ -176,6 +175,21 @@
     return actions;
 }
 
+std::unique_ptr<AndAction> parseAnd(const json& element)
+{
+    verifyIsArray(element);
+
+    // Verify if array size less than 2
+    if (element.size() < 2)
+    {
+        throw std::invalid_argument{"Array must contain two or more actions"};
+    }
+    // Array of two or more actions
+    std::vector<std::unique_ptr<Action>> actions = parseActionArray(element);
+
+    return std::make_unique<AndAction>(std::move(actions));
+}
+
 std::unique_ptr<Chassis> parseChassis(const json& element)
 {
     verifyIsObject(element);