mirror of
https://github.com/lief-project/LIEF
synced 2026-06-08 15:30:44 +00:00
Romain Thomas
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/* Copyright 2017 - 2026 R. Thomas
|
|
* Copyright 2017 - 2026 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_VECTOR_STREAM_H
|
|
#define LIEF_VECTOR_STREAM_H
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
#include <memory>
|
|
|
|
#include "LIEF/errors.hpp"
|
|
#include "LIEF/visibility.h"
|
|
#include "LIEF/BinaryStream/BinaryStream.hpp"
|
|
|
|
namespace LIEF {
|
|
class SpanStream;
|
|
class LIEF_API VectorStream : public BinaryStream {
|
|
public:
|
|
using BinaryStream::p;
|
|
using BinaryStream::end;
|
|
using BinaryStream::start;
|
|
|
|
static result<VectorStream> from_file(const std::string& file);
|
|
VectorStream(std::vector<uint8_t> data) :
|
|
BinaryStream(BinaryStream::STREAM_TYPE::VECTOR),
|
|
binary_(std::move(data)),
|
|
size_(binary_.size())
|
|
{}
|
|
|
|
VectorStream() = delete;
|
|
|
|
// VectorStream should not be copyable for performances reasons
|
|
VectorStream(const VectorStream&) = delete;
|
|
VectorStream& operator=(const VectorStream&) = delete;
|
|
|
|
VectorStream(VectorStream&& other) noexcept = default;
|
|
VectorStream& operator=(VectorStream&& other) noexcept = default;
|
|
|
|
uint64_t size() const override {
|
|
return size_;
|
|
}
|
|
|
|
const std::vector<uint8_t>& content() const {
|
|
return binary_;
|
|
}
|
|
|
|
std::vector<uint8_t>&& move_content() {
|
|
size_ = 0;
|
|
return std::move(binary_);
|
|
}
|
|
|
|
const uint8_t* p() const override {
|
|
return this->binary_.data() + this->pos();
|
|
}
|
|
|
|
const uint8_t* start() const override {
|
|
return this->binary_.data();
|
|
}
|
|
|
|
const uint8_t* end() const override {
|
|
return this->binary_.data() + this->binary_.size();
|
|
}
|
|
|
|
|
|
std::unique_ptr<SpanStream> slice(uint32_t offset, size_t size) const;
|
|
std::unique_ptr<SpanStream> slice(uint32_t offset) const;
|
|
|
|
static bool classof(const BinaryStream& stream) {
|
|
return stream.type() == STREAM_TYPE::VECTOR;
|
|
}
|
|
|
|
protected:
|
|
result<const void*> read_at(uint64_t offset, uint64_t size, uint64_t /*va*/) const override {
|
|
const uint64_t stream_size = this->size();
|
|
if (offset > stream_size || (offset + size) > stream_size) {
|
|
return make_error_code(lief_errors::read_error);
|
|
}
|
|
return binary_.data() + offset;
|
|
}
|
|
std::vector<uint8_t> binary_;
|
|
uint64_t size_ = 0; // Original size without alignment
|
|
};
|
|
}
|
|
|
|
#endif
|