upload android base code part6

android/system/libvintf/main.cpp

@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2017 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 <iostream>
+#include <vintf/parse_xml.h>
+#include <vintf/parse_string.h>
+#include <vintf/VintfObject.h>
+
+// A convenience binary to dump information available through libvintf.
+int main(int, char **) {
+    using namespace ::android::vintf;
+
+    std::cout << "======== Device HAL Manifest =========" << std::endl;
+
+    const HalManifest *vm = VintfObject::GetDeviceHalManifest();
+    if (vm != nullptr)
+        std::cout << gHalManifestConverter(*vm);
+
+    std::cout << "======== Framework HAL Manifest =========" << std::endl;
+
+    const HalManifest *fm = VintfObject::GetFrameworkHalManifest();
+    if (fm != nullptr)
+        std::cout << gHalManifestConverter(*fm);
+
+    std::cout << "======== Device Compatibility Matrix =========" << std::endl;
+
+    const CompatibilityMatrix *vcm = VintfObject::GetDeviceCompatibilityMatrix();
+    if (vcm != nullptr)
+        std::cout << gCompatibilityMatrixConverter(*vcm);
+
+    std::cout << "======== Framework Compatibility Matrix =========" << std::endl;
+
+    const CompatibilityMatrix *fcm = VintfObject::GetFrameworkCompatibilityMatrix();
+    if (fcm != nullptr)
+        std::cout << gCompatibilityMatrixConverter(*fcm);
+
+    std::cout << "======== Runtime Info =========" << std::endl;
+
+    const RuntimeInfo* ki = VintfObject::GetRuntimeInfo();
+    if (ki != nullptr) std::cout << dump(*ki);
+    std::cout << std::endl;
+
+    std::cout << "======== Compatibility check =========" << std::endl;
+    std::cout << "Device HAL Manifest? " << (vm != nullptr) << std::endl
+              << "Device Compatibility Matrix? " << (vcm != nullptr) << std::endl
+              << "Framework HAL Manifest? " << (fm != nullptr) << std::endl
+              << "Framework Compatibility Matrix? " << (fcm != nullptr) << std::endl;
+    std::string error;
+    if (vm && fcm) {
+        bool compatible = vm->checkCompatibility(*fcm, &error);
+        std::cout << "Device HAL Manifest <==> Framework Compatibility Matrix? "
+                  << compatible;
+        if (!compatible)
+            std::cout << ", " << error;
+        std::cout << std::endl;
+    }
+    if (fm && vcm) {
+        bool compatible = fm->checkCompatibility(*vcm, &error);
+        std::cout << "Framework HAL Manifest <==> Device Compatibility Matrix? "
+                  << compatible;
+        if (!compatible)
+            std::cout << ", " << error;
+        std::cout << std::endl;
+    }
+    if (ki && fcm) {
+        bool compatible = ki->checkCompatibility(*fcm, &error);
+        std::cout << "Runtime info <==> Framework Compatibility Matrix? " << compatible;
+        if (!compatible) std::cout << ", " << error;
+        std::cout << std::endl;
+    }
+
+    {
+        auto compatible = VintfObject::CheckCompatibility({}, &error);
+        std::cout << "VintfObject::CheckCompatibility (0 == compatible)? " << compatible;
+        if (compatible != COMPATIBLE) std::cout << ", " << error;
+        std::cout << std::endl;
+    }
+}