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Code Issues Releases Wiki Activity

ircd::buffer: Proper reference types for buffer / array ctor / cleanup.

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This commit is contained in:
Jason Volk 2017-09-08 07:47:51 -07:00
parent 147a49a86c
commit dd12f013cf
1 changed files with 72 additions and 46 deletions
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118
include/ircd/buffer.h
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@ -36,14 +36,17 @@ namespace ircd::buffer
extern const mutable_buffer null_buffer;
extern const mutable_buffers null_buffers;
template<class it> it rend(const buffer<it> &buffer);
template<class it> it end(const buffer<it> &buffer);
template<class it> const it &begin(const buffer<it> &buffer);
template<class it> const it &end(const buffer<it> &buffer);
template<class it> it &begin(buffer<it> &buffer);
template<class it> it &end(buffer<it> &buffer);
template<class it> it rbegin(const buffer<it> &buffer);
template<class it> it begin(const buffer<it> &buffer);
template<class it> it rend(const buffer<it> &buffer);
template<class it> size_t size(const buffer<it> &buffer);
template<class T> size_t size(const buffers<T> &buffers);
template<class it> it data(const buffer<it> &buffer);
template<class it> const it &data(const buffer<it> &buffer);
template<class it> size_t consume(buffer<it> &buffer, const size_t &bytes);
template<class T> size_t consume(buffers<T> &buffers, const size_t &bytes);
@ -80,13 +83,22 @@ struct ircd::buffer::buffer
operator std::string_view() const;
explicit operator std::string() const;
buffer(const it &start = nullptr, const it &stop = nullptr)
buffer(const it &start, const it &stop)
:std::tuple<it, it>{start, stop}
{}
buffer(const it &start, const size_t &size)
:buffer{start, start + size}
{}
template<size_t SIZE>
buffer(typename std::remove_pointer<it>::type (&buf)[SIZE])
:buffer{buf, SIZE}
{}
buffer()
:buffer{nullptr, nullptr}
{}
};
struct ircd::buffer::const_buffer
@ -108,19 +120,6 @@ struct ircd::buffer::mutable_buffer
using buffer<char *>::buffer;
};
template<class buffer,
size_t align = 16>
struct ircd::buffer::unique_buffer
:buffer
{
unique_buffer(std::unique_ptr<uint8_t[]> &&, const size_t &size);
unique_buffer(const size_t &size);
unique_buffer() = default;
unique_buffer(unique_buffer &&) noexcept;
unique_buffer(const unique_buffer &) = delete;
~unique_buffer() noexcept;
};
template<class T>
std::ostream &
ircd::buffer::operator<<(std::ostream &s, const buffers<T> &buffers)
@ -225,7 +224,7 @@ ircd::buffer::consume(buffer<it> &buffer,
}
template<class it>
it
const it &
ircd::buffer::data(const buffer<it> &buffer)
{
return get<0>(buffer);
@ -252,9 +251,9 @@ ircd::buffer::size(const buffer<it> &buffer)
template<class it>
it
ircd::buffer::begin(const buffer<it> &buffer)
ircd::buffer::rend(const buffer<it> &buffer)
{
return get<0>(buffer);
return std::reverse_iterator<it>(get<0>(buffer));
}
template<class it>
@ -265,19 +264,67 @@ ircd::buffer::rbegin(const buffer<it> &buffer)
}
template<class it>
it
it &
ircd::buffer::end(buffer<it> &buffer)
{
return get<1>(buffer);
}
template<class it>
it &
ircd::buffer::begin(buffer<it> &buffer)
{
return get<0>(buffer);
}
template<class it>
const it &
ircd::buffer::end(const buffer<it> &buffer)
{
return get<1>(buffer);
}
template<class it>
it
ircd::buffer::rend(const buffer<it> &buffer)
const it &
ircd::buffer::begin(const buffer<it> &buffer)
{
return std::reverse_iterator<it>(get<0>(buffer));
return get<0>(buffer);
}
template<class it>
ircd::buffer::buffer<it>::operator std::string()
const
{
return { get<0>(*this), size(*this) };
}
template<class it>
ircd::buffer::buffer<it>::operator std::string_view()
const
{
return { get<0>(*this), size(*this) };
}
template<class it>
ircd::buffer::buffer<it>::operator string_view()
const
{
return { get<0>(*this), get<1>(*this) };
}
template<class buffer,
size_t align = 16>
struct ircd::buffer::unique_buffer
:buffer
{
unique_buffer(std::unique_ptr<uint8_t[]> &&, const size_t &size);
unique_buffer(const size_t &size);
unique_buffer() = default;
unique_buffer(unique_buffer &&) noexcept;
unique_buffer(const unique_buffer &) = delete;
~unique_buffer() noexcept;
};
template<class buffer,
size_t alignment>
ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer(std::unique_ptr<uint8_t[]> &&b,
@ -322,24 +369,3 @@ noexcept
{
delete[] data(*this);
}
template<class it>
ircd::buffer::buffer<it>::operator std::string()
const
{
return { get<0>(*this), size(*this) };
}
template<class it>
ircd::buffer::buffer<it>::operator std::string_view()
const
{
return { get<0>(*this), size(*this) };
}
template<class it>
ircd::buffer::buffer<it>::operator string_view()
const
{
return { get<0>(*this), get<1>(*this) };
}