Move ActionParser to its own file

Bug: 36970783
Test: build
Change-Id: Idd5b923e4789760bb9ef67c10982b2642bc6a31a

1 files changed, 66 insertions, 0 deletions

diff --git a/init/action_parser.cpp b/init/action_parser.cpp
new file mode 100644
index 000000000..fd085b82d
--- /dev/null
+++ b/init/action_parser.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed 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.
+ */
+
+#include "action_parser.h"
+
+#include <android-base/strings.h>
+
+using android::base::StartsWith;
+
+namespace android {
+namespace init {
+
+Result<Success> ActionParser::ParseSection(std::vector<std::string>&& args,
+                                           const std::string& filename, int line) {
+    std::vector<std::string> triggers(args.begin() + 1, args.end());
+    if (triggers.size() < 1) {
+        return Error() << "Actions must have a trigger";
+    }
+
+    Subcontext* action_subcontext = nullptr;
+    if (subcontexts_) {
+        for (auto& subcontext : *subcontexts_) {
+            if (StartsWith(filename, subcontext.path_prefix())) {
+                action_subcontext = &subcontext;
+                break;
+            }
+        }
+    }
+
+    auto action = std::make_unique<Action>(false, action_subcontext, filename, line);
+
+    if (auto result = action->InitTriggers(triggers); !result) {
+        return Error() << "InitTriggers() failed: " << result.error();
+    }
+
+    action_ = std::move(action);
+    return Success();
+}
+
+Result<Success> ActionParser::ParseLineSection(std::vector<std::string>&& args, int line) {
+    return action_ ? action_->AddCommand(std::move(args), line) : Success();
+}
+
+Result<Success> ActionParser::EndSection() {
+    if (action_ && action_->NumCommands() > 0) {
+        action_manager_->AddAction(std::move(action_));
+    }
+
+    return Success();
+}
+
+}  // namespace init
+}  // namespace android