939df096be
This change adds parsing, encoding, and validating of odm and oem overlayable policies to aapt2, libandroidfw, and idmap2. Bug: 121033532 Test: aapt2_tests, idmap2_tests Change-Id: Ifc0d4b6c9f9c37e06b2988abade69dbb277c50c2
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "idmap2/Policies.h"
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#include <iterator>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "androidfw/ResourceTypes.h"
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#include "idmap2/Idmap.h"
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#include "idmap2/Result.h"
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namespace android::idmap2 {
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Result<PolicyBitmask> PoliciesToBitmask(const std::vector<std::string>& policies) {
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static const std::unordered_map<android::StringPiece, PolicyFlags> kStringToFlag = {
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{kPolicyOdm, PolicyFlags::POLICY_ODM_PARTITION},
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{kPolicyOem, PolicyFlags::POLICY_OEM_PARTITION},
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{kPolicyPublic, PolicyFlags::POLICY_PUBLIC},
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{kPolicyProduct, PolicyFlags::POLICY_PRODUCT_PARTITION},
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{kPolicySignature, PolicyFlags::POLICY_SIGNATURE},
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{kPolicySystem, PolicyFlags::POLICY_SYSTEM_PARTITION},
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{kPolicyVendor, PolicyFlags::POLICY_VENDOR_PARTITION},
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};
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PolicyBitmask bitmask = 0;
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for (const std::string& policy : policies) {
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const auto iter = kStringToFlag.find(policy);
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if (iter != kStringToFlag.end()) {
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bitmask |= iter->second;
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} else {
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return Error("unknown policy \"%s\"", policy.c_str());
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}
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}
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return Result<PolicyBitmask>(bitmask);
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}
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std::vector<std::string> BitmaskToPolicies(const PolicyBitmask& bitmask) {
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std::vector<std::string> policies;
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if ((bitmask & PolicyFlags::POLICY_ODM_PARTITION) != 0) {
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policies.emplace_back(kPolicyOdm);
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}
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if ((bitmask & PolicyFlags::POLICY_OEM_PARTITION) != 0) {
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policies.emplace_back(kPolicyOem);
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}
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if ((bitmask & PolicyFlags::POLICY_PUBLIC) != 0) {
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policies.emplace_back(kPolicyPublic);
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}
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if ((bitmask & PolicyFlags::POLICY_PRODUCT_PARTITION) != 0) {
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policies.emplace_back(kPolicyProduct);
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}
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if ((bitmask & PolicyFlags::POLICY_SIGNATURE) != 0) {
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policies.emplace_back(kPolicySignature);
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}
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if ((bitmask & PolicyFlags::POLICY_SYSTEM_PARTITION) != 0) {
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policies.emplace_back(kPolicySystem);
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}
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if ((bitmask & PolicyFlags::POLICY_VENDOR_PARTITION) != 0) {
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policies.emplace_back(kPolicyVendor);
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}
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return policies;
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}
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} // namespace android::idmap2
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