HexDump.hh

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/*
 * Copyright 2021 Assured Information Security, Inc.
 *
 * 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.
 */
#pragma once
 
#include <introvirt/core/memory/guest_ptr.hh>
 
#include <cstdint>
#include <iostream>
#include <ostream>
#include <string>
 
namespace introvirt {
 
class HexDump {
  public:
    void write(std::ostream& os = std::cout) const;
 
    HexDump(const void* buf, std::size_t len, std::size_t start_address = 0,
            std::string prepend = "");
 
    HexDump(const guest_ptr<void>& ptr, size_t len, std::string prepend = "");
 
  private:
    guest_ptr<uint8_t[]> guest_data_;
    const uint8_t* buf_;
    std::size_t len_;
    std::size_t start_address_;
    const std::string prepend_;
};
 
} // namespace introvirt