DynamicEntryArray.hpp

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/* Copyright 2017 - 2024 R. Thomas
 * Copyright 2017 - 2024 Quarkslab
 *
 * 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 LIEF_ELF_DYNAMIC_ENTRY_ARRAY_H
#define LIEF_ELF_DYNAMIC_ENTRY_ARRAY_H
 
#include "LIEF/visibility.h"
#include "LIEF/ELF/DynamicEntry.hpp"
 
#include <vector>
 
namespace LIEF {
namespace ELF {
 
class LIEF_API DynamicEntryArray : public DynamicEntry {
  public:
  using array_t = std::vector<uint64_t>;
  using DynamicEntry::DynamicEntry;
 
  DynamicEntryArray() = delete;
  DynamicEntryArray(DynamicEntry::TAG tag, array_t array) :
    DynamicEntry(tag, 0),
    array_(std::move(array))
  {}
 
  DynamicEntryArray& operator=(const DynamicEntryArray&) = default;
  DynamicEntryArray(const DynamicEntryArray&) = default;
 
  std::unique_ptr<DynamicEntry> clone() const override {
    return std::unique_ptr<DynamicEntryArray>(new DynamicEntryArray(*this));
  }
 
  array_t& array() {
    return array_;
  }
 
  const array_t& array() const {
    return array_;
  }
  void array(const array_t& array) {
    array_ = array;
  }
 
  DynamicEntryArray& insert(size_t pos, uint64_t function);
 
  DynamicEntryArray& append(uint64_t function) {
    array_.push_back(function);
    return *this;
  }
 
  DynamicEntryArray& remove(uint64_t function);
 
  size_t size() const {
    return array_.size();
  }
 
  DynamicEntryArray& operator+=(uint64_t value) {
    return append(value);
  }
 
  DynamicEntryArray& operator-=(uint64_t value) {
    return remove(value);
  }
 
  const uint64_t& operator[](size_t idx) const;
  uint64_t&       operator[](size_t idx);
 
  void accept(Visitor& visitor) const override;
 
  std::ostream& print(std::ostream& os) const override;
 
  ~DynamicEntryArray() override = default;
 
  static bool classof(const DynamicEntry* entry) {
    const DynamicEntry::TAG tag = entry->tag();
    return tag == DynamicEntry::TAG::INIT_ARRAY ||
           tag == DynamicEntry::TAG::FINI_ARRAY ||
           tag == DynamicEntry::TAG::PREINIT_ARRAY;
  }
 
  private:
  array_t array_;
};
}
}
 
#endif