Tidy up core sources:

The core headers are moved to their own directory (but remain in
the same namespace).

include/beast/core/impl/static_streambuf.ipp

@@ -0,0 +1,304 @@
+//
+// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BEAST_IMPL_STATIC_STREAMBUF_IPP
+#define BEAST_IMPL_STATIC_STREAMBUF_IPP
+
+#include <boost/asio/buffer.hpp>
+#include <algorithm>
+#include <cstring>
+#include <iterator>
+#include <stdexcept>
+
+namespace beast {
+
+class static_streambuf::const_buffers_type
+{
+    std::size_t n_;
+    std::uint8_t const* p_;
+
+public:
+    using value_type = boost::asio::const_buffer;
+
+    class const_iterator;
+
+    const_buffers_type() = delete;
+    const_buffers_type(
+        const_buffers_type const&) = default;
+    const_buffers_type& operator=(
+        const_buffers_type const&) = default;
+
+    const_iterator
+    begin() const;
+
+    const_iterator
+    end() const;
+
+private:
+    friend class static_streambuf;
+
+    const_buffers_type(
+            std::uint8_t const* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+class static_streambuf::const_buffers_type::const_iterator
+{
+    std::size_t n_ = 0;
+    std::uint8_t const* p_ = nullptr;
+
+public:
+    using value_type = boost::asio::const_buffer;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return p_ == other.p_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        return value_type{p_, n_};
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        p_ += n_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        p_ -= n_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    friend class const_buffers_type;
+
+    const_iterator(
+            std::uint8_t const* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+inline
+auto
+static_streambuf::const_buffers_type::begin() const ->
+    const_iterator
+{
+    return const_iterator{p_, n_};
+}
+
+inline
+auto
+static_streambuf::const_buffers_type::end() const ->
+    const_iterator
+{
+    return const_iterator{p_ + n_, n_};
+}
+
+//------------------------------------------------------------------------------
+
+class static_streambuf::mutable_buffers_type
+{
+    std::size_t n_;
+    std::uint8_t* p_;
+
+public:
+    using value_type = boost::asio::mutable_buffer;
+
+    class const_iterator;
+
+    mutable_buffers_type() = delete;
+    mutable_buffers_type(
+        mutable_buffers_type const&) = default;
+    mutable_buffers_type& operator=(
+        mutable_buffers_type const&) = default;
+
+    const_iterator
+    begin() const;
+
+    const_iterator
+    end() const;
+
+private:
+    friend class static_streambuf;
+
+    mutable_buffers_type(
+            std::uint8_t* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+class static_streambuf::mutable_buffers_type::const_iterator
+{
+    std::size_t n_ = 0;
+    std::uint8_t* p_ = nullptr;
+
+public:
+    using value_type = boost::asio::mutable_buffer;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return p_ == other.p_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        return value_type{p_, n_};
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        p_ += n_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        p_ -= n_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    friend class mutable_buffers_type;
+
+    const_iterator(std::uint8_t* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+inline
+auto
+static_streambuf::mutable_buffers_type::begin() const ->
+    const_iterator
+{
+    return const_iterator{p_, n_};
+}
+
+inline
+auto
+static_streambuf::mutable_buffers_type::end() const ->
+    const_iterator
+{
+    return const_iterator{p_ + n_, n_};
+}
+
+//------------------------------------------------------------------------------
+
+inline
+auto
+static_streambuf::prepare(std::size_t n) ->
+    mutable_buffers_type
+{
+    if(n > static_cast<std::size_t>(end_ - out_))
+        throw std::length_error("no space in streambuf");
+    last_ = out_ + n;
+    return mutable_buffers_type{out_, n};
+}
+
+inline
+auto
+static_streambuf::data() const ->
+    const_buffers_type
+{
+    return const_buffers_type{in_,
+        static_cast<std::size_t>(out_ - in_)};
+}
+
+} // beast
+
+#endif