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// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "winapi-common" project.
// For details, see https://github.com/egor-tensin/winapi-common.
// Distributed under the MIT License.
#pragma once
#include "buffer.hpp"
#include <windows.h>
#include <cstddef>
#include <memory>
#include <string>
#include <utility>
namespace winapi {
class Handle {
public:
Handle() = default;
explicit Handle(HANDLE);
HANDLE get() const { return m_impl.get(); }
HANDLE ptr() const { return get(); }
explicit operator HANDLE() const { return ptr(); }
bool is_valid() const;
static bool is_valid(HANDLE);
void close();
bool is_std() const;
static Handle std_in();
static Handle std_out();
static Handle std_err();
Buffer read() const;
static constexpr std::size_t max_chunk_size = 16 * 1024;
bool read_chunk(Buffer& read_chunk) const;
void write(const void*, std::size_t nb) const;
void write(const Buffer& buffer) const;
template <typename CharT>
void write(const std::basic_string<CharT>& src) const {
write(src.c_str(), src.size() * sizeof(CharT));
}
void inherit(bool yes = true) const;
void dont_inherit() const { inherit(false); }
private:
struct Close {
void operator()(HANDLE) const;
};
std::unique_ptr<void, Close> m_impl;
};
} // namespace winapi
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