/*
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* Copyright (C) 2015 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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#ifndef AAPT_PROGUARD_RULES_H
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#define AAPT_PROGUARD_RULES_H
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#include <map>
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#include <ostream>
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#include <set>
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#include <string>
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#include "androidfw/StringPiece.h"
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#include "Resource.h"
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#include "ResourceTable.h"
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#include "Source.h"
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#include "ValueVisitor.h"
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#include "io/Io.h"
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#include "process/IResourceTableConsumer.h"
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#include "xml/XmlDom.h"
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namespace aapt {
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namespace proguard {
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struct UsageLocation {
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ResourceName name;
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Source source;
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};
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struct NameAndSignature {
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std::string name;
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std::string signature;
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};
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class KeepSet {
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public:
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KeepSet() = default;
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explicit KeepSet(bool conditional_keep_rules) : conditional_keep_rules_(conditional_keep_rules) {
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}
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inline void AddManifestClass(const UsageLocation& file, const std::string& class_name) {
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manifest_class_set_[class_name].insert(file);
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}
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inline void AddConditionalClass(const UsageLocation& file,
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const NameAndSignature& class_and_signature) {
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conditional_class_set_[class_and_signature].insert(file);
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}
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inline void AddMethod(const UsageLocation& file, const NameAndSignature& name_and_signature) {
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method_set_[name_and_signature].insert(file);
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}
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inline void AddReference(const UsageLocation& file, const ResourceName& resource_name) {
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reference_set_[resource_name].insert(file);
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}
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private:
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friend void WriteKeepSet(const KeepSet& keep_set, io::OutputStream* out, bool minimal_keep);
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friend bool CollectLocations(const UsageLocation& location, const KeepSet& keep_set,
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std::set<UsageLocation>* locations);
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bool conditional_keep_rules_ = false;
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std::map<std::string, std::set<UsageLocation>> manifest_class_set_;
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std::map<NameAndSignature, std::set<UsageLocation>> method_set_;
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std::map<NameAndSignature, std::set<UsageLocation>> conditional_class_set_;
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std::map<ResourceName, std::set<UsageLocation>> reference_set_;
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};
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bool CollectProguardRulesForManifest(xml::XmlResource* res, KeepSet* keep_set,
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bool main_dex_only = false);
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bool CollectProguardRules(IAaptContext* context, xml::XmlResource* res, KeepSet* keep_set);
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bool CollectResourceReferences(IAaptContext* context, ResourceTable* table, KeepSet* keep_set);
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void WriteKeepSet(const KeepSet& keep_set, io::OutputStream* out, bool minimal_keep);
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bool CollectLocations(const UsageLocation& location, const KeepSet& keep_set,
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std::set<UsageLocation>* locations);
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//
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// UsageLocation implementation.
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//
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inline bool operator==(const UsageLocation& lhs, const UsageLocation& rhs) {
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return lhs.name == rhs.name;
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}
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inline int operator<(const UsageLocation& lhs, const UsageLocation& rhs) {
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return lhs.name.compare(rhs.name);
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}
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//
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// NameAndSignature implementation.
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//
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inline bool operator<(const NameAndSignature& lhs, const NameAndSignature& rhs) {
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if (lhs.name < rhs.name) {
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return true;
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}
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if (lhs.name == rhs.name) {
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return lhs.signature < rhs.signature;
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}
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return false;
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}
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} // namespace proguard
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} // namespace aapt
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#endif // AAPT_PROGUARD_RULES_H
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