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msvc-7.1 portability fix, signed/unsigned warning fix

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[SVN r52241]
This commit is contained in:
Eric Niebler
2009-04-07 19:53:53 +00:00
parent a96b0e9924
commit bf25909150
1 changed files with 30 additions and 7 deletions
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37
include/boost/mpl/string.hpp
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@@ -14,6 +14,8 @@
// $Date: 2009-04-01 02:10:26 -0700 (Wed, 1 Apr 2009) $
// $Revision: 49239 $
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/mpl/char.hpp>
#include <boost/mpl/long.hpp>
#include <boost/mpl/back.hpp>
@@ -52,7 +54,7 @@ namespace boost { namespace mpl
template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_MPL_STRING_MAX_PARAMS, unsigned int C, 0)>
struct string;
template<typename Sequence, long N>
template<typename Sequence, unsigned long N>
struct string_iterator;
template<typename Sequence>
@@ -299,18 +301,18 @@ namespace boost { namespace mpl
template<typename First, typename Last>
struct apply
{
typedef mpl::long_<Last::index - First::index> type;
typedef mpl::long_<(long)Last::index - (long)First::index> type;
};
};
template<typename Sequence, long N>
template<typename Sequence, unsigned long N>
struct string_iterator
: Sequence::template at<N>
{
typedef string_iterator_tag tag;
typedef std::random_access_iterator_tag category;
typedef Sequence string_type;
static long const index = N;
static unsigned long const index = N;
typedef string_iterator<Sequence, N+1> next;
typedef string_iterator<Sequence, N-1> prior;
};
@@ -331,15 +333,36 @@ namespace boost { namespace mpl
static std::size_t const size = BOOST_MPL_MULTICHAR_LENGTH(C0) + rest_::size;
template<long Pos, bool B = (Pos < BOOST_MPL_MULTICHAR_LENGTH(C0))>
#if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
private:
/// INTERNAL ONLY
template<unsigned long Pos, bool B>
struct at_impl
: boost::mpl::char_<BOOST_MPL_MULTICHAR_AT(C0,Pos)>
{};
/// INTERNAL ONLY
template<unsigned long Pos>
struct at_impl<Pos, false>
: rest_::template at<Pos-BOOST_MPL_MULTICHAR_LENGTH(C0)>
{};
public:
template<unsigned long Pos>
struct at
: at_impl<Pos, (Pos < BOOST_MPL_MULTICHAR_LENGTH(C0))>
{};
#else
template<unsigned long Pos, bool B = (Pos < BOOST_MPL_MULTICHAR_LENGTH(C0))>
struct at
: boost::mpl::char_<BOOST_MPL_MULTICHAR_AT(C0,Pos)>
{};
template<long Pos>
template<unsigned long Pos>
struct at<Pos, false>
: rest_::template at<Pos-BOOST_MPL_MULTICHAR_LENGTH(C0)>
{};
#endif
static char const c_str[];
};
@@ -378,7 +401,7 @@ namespace boost { namespace mpl
static std::size_t const size = 0;
template<unsigned int>
template<unsigned long>
struct at
: boost::mpl::char_<'\0'>
{};