upload android base code part6

android/system/libvintf/CompatibilityMatrix.cpp

@@ -0,0 +1,77 @@
+/*
+ * 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 "CompatibilityMatrix.h"
+
+#include "parse_string.h"
+#include "utils.h"
+
+namespace android {
+namespace vintf {
+
+constexpr Version CompatibilityMatrix::kVersion;
+
+bool CompatibilityMatrix::add(MatrixHal &&hal) {
+    return HalGroup<MatrixHal>::add(std::move(hal));
+}
+
+bool CompatibilityMatrix::add(MatrixKernel &&kernel) {
+    if (mType != SchemaType::FRAMEWORK) {
+        return false;
+    }
+    framework.mKernels.push_back(std::move(kernel));
+    return true;
+}
+
+SchemaType CompatibilityMatrix::type() const {
+    return mType;
+}
+
+
+status_t CompatibilityMatrix::fetchAllInformation(const std::string &path) {
+    return details::fetchAllInformation(path, gCompatibilityMatrixConverter, this);
+}
+
+std::string CompatibilityMatrix::getXmlSchemaPath(const std::string& xmlFileName,
+                                                  const Version& version) const {
+    using std::literals::string_literals::operator""s;
+    auto range = getXmlFiles(xmlFileName);
+    for (auto it = range.first; it != range.second; ++it) {
+        const MatrixXmlFile& matrixXmlFile = it->second;
+        if (matrixXmlFile.versionRange().contains(version)) {
+            if (!matrixXmlFile.overriddenPath().empty()) {
+                return matrixXmlFile.overriddenPath();
+            }
+            return "/"s + (type() == SchemaType::DEVICE ? "vendor" : "system") + "/etc/" +
+                   xmlFileName + "_V" + std::to_string(matrixXmlFile.versionRange().majorVer) +
+                   "_" + std::to_string(matrixXmlFile.versionRange().maxMinor) + "." +
+                   to_string(matrixXmlFile.format());
+        }
+    }
+    return "";
+}
+
+bool operator==(const CompatibilityMatrix &lft, const CompatibilityMatrix &rgt) {
+    return lft.mType == rgt.mType && lft.mHals == rgt.mHals && lft.mXmlFiles == rgt.mXmlFiles &&
+           (lft.mType != SchemaType::DEVICE || (lft.device.mVndk == rgt.device.mVndk)) &&
+           (lft.mType != SchemaType::FRAMEWORK ||
+            (lft.framework.mKernels == rgt.framework.mKernels &&
+             lft.framework.mSepolicy == rgt.framework.mSepolicy &&
+             lft.framework.mAvbMetaVersion == rgt.framework.mAvbMetaVersion));
+}
+
+} // namespace vintf
+} // namespace android