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/*
* Copyright (C) 2015 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 "link/Linkers.h"
#include <algorithm>
#include <iterator>
#include "android-base/logging.h"
#include "ResourceTable.h"
namespace aapt {
template <typename InputContainer, typename OutputIterator, typename Predicate>
OutputIterator move_if(InputContainer& input_container, OutputIterator result, Predicate pred) {
const auto last = input_container.end();
auto new_end = std::find_if(input_container.begin(), input_container.end(), pred);
if (new_end == last) {
return result;
}
*result = std::move(*new_end);
auto first = new_end;
++first;
for (; first != last; ++first) {
if (bool(pred(*first))) {
// We want to move this guy
*result = std::move(*first);
++result;
} else {
// We want to keep this guy, but we will need to move it up the list to
// replace missing items.
*new_end = std::move(*first);
++new_end;
}
}
input_container.erase(new_end, last);
return result;
}
bool PrivateAttributeMover::Consume(IAaptContext* context, ResourceTable* table) {
for (auto& package : table->packages) {
ResourceTableType* type = package->FindType(ResourceType::kAttr);
if (!type) {
continue;
}
if (type->visibility_level != Visibility::Level::kPublic) {
// No public attributes, so we can safely leave these private attributes
// where they are.
continue;
}
std::vector<std::unique_ptr<ResourceEntry>> private_attr_entries;
move_if(type->entries, std::back_inserter(private_attr_entries),
[](const std::unique_ptr<ResourceEntry>& entry) -> bool {
return entry->visibility.level != Visibility::Level::kPublic;
});
if (private_attr_entries.empty()) {
// No private attributes.
continue;
}
ResourceTableType* priv_attr_type = package->FindOrCreateType(ResourceType::kAttrPrivate);
CHECK(priv_attr_type->entries.empty());
priv_attr_type->entries = std::move(private_attr_entries);
}
return true;
}
} // namespace aapt