kendryte-standalone-sdk/lib/nncase/include/runtime/binary_writer.h

52 lines
1.1 KiB
C++

#pragma once
#include <iostream>
#include <xtl/xspan.hpp>
namespace nncase
{
namespace runtime
{
class binary_writer
{
public:
binary_writer(std::ostream &stream)
: stream_(stream)
{
}
template <class T>
void write(T &&value)
{
stream_.write(reinterpret_cast<const char *>(&value), sizeof(value));
}
template <class T>
void write_array(xtl::span<const T> value)
{
stream_.write(reinterpret_cast<const char *>(value.data()), value.size_bytes());
}
std::streampos position() const
{
return stream_.tellp();
}
void position(std::streampos pos)
{
stream_.seekp(pos);
}
void align_position(size_t alignment)
{
auto pos = position();
auto rem = pos % alignment;
if (rem != 0)
position(pos + std::streamoff(alignment - rem));
}
private:
std::ostream &stream_;
};
}
}