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/*
* Copyright (C) 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.
*/
#ifndef ART_LIBDEXFILE_DEX_DEX_CACHE_RESOLVED_CLASSES_H_
#define ART_LIBDEXFILE_DEX_DEX_CACHE_RESOLVED_CLASSES_H_
#include <string>
#include <unordered_set>
#include <vector>
#include "dex/dex_file_types.h"
namespace art {
// Data structure for passing around which classes belonging to a dex cache / dex file are resolved.
class DexCacheResolvedClasses {
public:
DexCacheResolvedClasses(const std::string& dex_location,
const std::string& base_location,
uint32_t location_checksum,
uint32_t num_method_ids)
: dex_location_(dex_location),
base_location_(base_location),
location_checksum_(location_checksum),
num_method_ids_(num_method_ids) {}
// Only compare the key elements, ignore the resolved classes.
int Compare(const DexCacheResolvedClasses& other) const {
if (location_checksum_ != other.location_checksum_) {
return static_cast<int>(location_checksum_ - other.location_checksum_);
}
// Don't need to compare base_location_ since dex_location_ has more info.
return dex_location_.compare(other.dex_location_);
}
bool AddClass(dex::TypeIndex index) const {
return classes_.insert(index).second;
}
template <class InputIt>
void AddClasses(InputIt begin, InputIt end) const {
classes_.insert(begin, end);
}
const std::string& GetDexLocation() const {
return dex_location_;
}
const std::string& GetBaseLocation() const {
return base_location_;
}
uint32_t GetLocationChecksum() const {
return location_checksum_;
}
const std::unordered_set<dex::TypeIndex>& GetClasses() const {
return classes_;
}
size_t NumMethodIds() const {
return num_method_ids_;
}
private:
const std::string dex_location_;
const std::string base_location_;
const uint32_t location_checksum_;
const uint32_t num_method_ids_;
// Array of resolved class def indexes.
mutable std::unordered_set<dex::TypeIndex> classes_;
};
inline bool operator<(const DexCacheResolvedClasses& a, const DexCacheResolvedClasses& b) {
return a.Compare(b) < 0;
}
} // namespace art
#endif // ART_LIBDEXFILE_DEX_DEX_CACHE_RESOLVED_CLASSES_H_
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