upload android base code part6

android/test/vts/drivers/libdrivercomm/VtsDriverFileUtil.cpp

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2016 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 "VtsDriverFileUtil.h"
+
+#include <fstream>
+#include <iostream>
+#include <sstream>
+
+using namespace std;
+
+namespace android {
+namespace vts {
+
+string ReadFile(const string& file_path) {
+  ifstream ifs(file_path);
+  string content((istreambuf_iterator<char>(ifs)),
+                 (istreambuf_iterator<char>()));
+  return content;
+}
+
+string GetDirFromFilePath(const string& str) {
+  size_t found = str.find_last_of("/\\");
+  if (found == string::npos) {
+    return ".";
+  }
+
+  return str.substr(0, found);
+}
+
+}  // namespace vts
+}  //