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update boost on linux

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This commit is contained in:
Bassem Girgis
2019-08-10 16:06:25 -05:00
parent 76ad52be58
commit 861b918727
5363 changed files with 483306 additions and 116507 deletions
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62
linx64/include/boost/spirit/home/qi/stream/detail/iterator_source.hpp
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@@ -12,21 +12,19 @@
#endif
#include <boost/iostreams/stream.hpp>
#include <boost/detail/iterator.hpp>
#include <iterator> // for std::iterator_traits, std::distance
///////////////////////////////////////////////////////////////////////////////
namespace boost { namespace spirit { namespace qi { namespace detail
{
///////////////////////////////////////////////////////////////////////////
template <typename Iterator>
struct iterator_source
struct base_iterator_source
{
typedef typename
boost::detail::iterator_traits<Iterator>::value_type
char_type;
typedef typename std::iterator_traits<Iterator>::value_type char_type;
typedef boost::iostreams::seekable_device_tag category;
iterator_source (Iterator const& first_, Iterator const& last_)
base_iterator_source (Iterator const& first_, Iterator const& last_)
: first(first_), last(last_), pos(0)
{}
@@ -62,6 +60,7 @@ namespace boost { namespace spirit { namespace qi { namespace detail
std::streampos seek(boost::iostreams::stream_offset, std::ios_base::seekdir way)
{
(void)way;
BOOST_ASSERT(way == std::ios_base::cur); // only support queries
return pos; // return current position
}
@@ -72,7 +71,56 @@ namespace boost { namespace spirit { namespace qi { namespace detail
private:
// silence MSVC warning C4512: assignment operator could not be generated
iterator_source& operator= (iterator_source const&);
base_iterator_source& operator= (base_iterator_source const&);
};
template <typename Iterator, typename Enable = void>
struct iterator_source : base_iterator_source<Iterator>
{
typedef base_iterator_source<Iterator> base_type;
iterator_source (Iterator const& first_, Iterator const& last_)
: base_type(first_, last_) {}
};
// Specialization for random-access iterators. This also allows compilers
// to fully optimize the case when the source range is contiguous
template <typename Iterator>
struct iterator_source<
Iterator,
typename boost::enable_if_c<boost::is_convertible<
typename std::iterator_traits<Iterator>::iterator_category, std::random_access_iterator_tag>::value>::type
> : base_iterator_source<Iterator>
{
typedef base_iterator_source<Iterator> base_type;
iterator_source (Iterator const& first_, Iterator const& last_)
: base_type(first_, last_) {}
typedef typename base_type::char_type char_type;
using base_type::first;
using base_type::last;
using base_type::pos;
// Read up to n characters from the input sequence into the buffer s,
// returning the number of characters read, or -1 to indicate
// end-of-sequence.
std::streamsize read (char_type* s, std::streamsize n)
{
if (first == last)
return -1;
n = (std::min)(static_cast<std::streamsize>(last - first), n);
typedef typename std::iterator_traits<Iterator>::difference_type diff_type;
// copy_n is only part of c++11, so emulate it
std::copy(first, first + static_cast<diff_type>(n), s);
first += static_cast<diff_type>(n);
pos += n;
return n;
}
};
}}}}