Chris@16: /*
Chris@16:  *
Chris@16:  * Copyright (c) 1998-2005
Chris@16:  * John Maddock
Chris@16:  *
Chris@16:  * Use, modification and distribution are subject to the 
Chris@16:  * Boost Software License, Version 1.0. (See accompanying file 
Chris@16:  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  *
Chris@16:  */
Chris@16: 
Chris@16:  /*
Chris@16:   *   LOCATION:    see http://www.boost.org for most recent version.
Chris@16:   *   FILE         regex_workarounds.cpp
Chris@16:   *   VERSION      see <boost/version.hpp>
Chris@16:   *   DESCRIPTION: Declares Misc workarounds.
Chris@16:   */
Chris@16: 
Chris@16: #ifndef BOOST_REGEX_WORKAROUND_HPP
Chris@16: #define BOOST_REGEX_WORKAROUND_HPP
Chris@16: 
Chris@16: 
Chris@16: #include <new>
Chris@16: #include <cstring>
Chris@16: #include <cstdlib>
Chris@16: #include <cstddef>
Chris@16: #include <cassert>
Chris@16: #include <cstdio>
Chris@16: #include <climits>
Chris@16: #include <string>
Chris@16: #include <stdexcept>
Chris@16: #include <iterator>
Chris@16: #include <algorithm>
Chris@16: #include <iosfwd>
Chris@16: #include <vector>
Chris@16: #include <map>
Chris@16: #include <boost/limits.hpp>
Chris@16: #include <boost/assert.hpp>
Chris@16: #include <boost/cstdint.hpp>
Chris@16: #include <boost/throw_exception.hpp>
Chris@16: #include <boost/scoped_ptr.hpp>
Chris@16: #include <boost/scoped_array.hpp>
Chris@16: #include <boost/shared_ptr.hpp>
Chris@16: #include <boost/mpl/bool_fwd.hpp>
Chris@16: #ifndef BOOST_NO_STD_LOCALE
Chris@16: #   include <locale>
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(BOOST_NO_STDC_NAMESPACE)
Chris@16: namespace std{
Chris@16:    using ::sprintf; using ::strcpy; using ::strcat; using ::strlen;
Chris@16: }
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost{ namespace re_detail{
Chris@16: #ifdef BOOST_NO_STD_DISTANCE
Chris@16: template <class T>
Chris@16: std::ptrdiff_t distance(const T& x, const T& y)
Chris@16: { return y - x; }
Chris@16: #else
Chris@16: using std::distance;
Chris@16: #endif
Chris@16: }}
Chris@16: 
Chris@16: 
Chris@16: #ifdef BOOST_REGEX_NO_BOOL
Chris@16: #  define BOOST_REGEX_MAKE_BOOL(x) static_cast<bool>((x) ? true : false)
Chris@16: #else
Chris@16: #  define BOOST_REGEX_MAKE_BOOL(x) static_cast<bool>(x)
Chris@16: #endif
Chris@16: 
Chris@16: /*****************************************************************************
Chris@16:  *
Chris@101:  *  Fix broken namespace support:
Chris@16:  *
Chris@16:  ****************************************************************************/
Chris@16: 
Chris@16: #if defined(BOOST_NO_STDC_NAMESPACE) && defined(__cplusplus)
Chris@16: 
Chris@16: namespace std{
Chris@16:    using ::ptrdiff_t;
Chris@16:    using ::size_t;
Chris@16:    using ::abs;
Chris@16:    using ::memset;
Chris@16:    using ::memcpy;
Chris@16: }
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: /*****************************************************************************
Chris@16:  *
Chris@16:  *  helper functions pointer_construct/pointer_destroy:
Chris@16:  *
Chris@16:  ****************************************************************************/
Chris@16: 
Chris@16: #ifdef __cplusplus
Chris@16: namespace boost{ namespace re_detail{
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning (push)
Chris@16: #pragma warning (disable : 4100)
Chris@16: #endif
Chris@16: 
Chris@16: template <class T>
Chris@16: inline void pointer_destroy(T* p)
Chris@16: { p->~T(); (void)p; }
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning (pop)
Chris@16: #endif
Chris@16: 
Chris@16: template <class T>
Chris@16: inline void pointer_construct(T* p, const T& t)
Chris@16: { new (p) T(t); }
Chris@16: 
Chris@16: }} // namespaces
Chris@16: #endif
Chris@16: 
Chris@16: /*****************************************************************************
Chris@16:  *
Chris@16:  *  helper function copy:
Chris@16:  *
Chris@16:  ****************************************************************************/
Chris@16: 
Chris@16: #ifdef __cplusplus
Chris@16: namespace boost{ namespace re_detail{
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC,>=1400) && BOOST_WORKAROUND(BOOST_MSVC, <1600) && defined(_CPPLIB_VER) && defined(BOOST_DINKUMWARE_STDLIB) && !(defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
Chris@16:    //
Chris@16:    // MSVC 8 will either emit warnings or else refuse to compile
Chris@16:    // code that makes perfectly legitimate use of std::copy, when
Chris@16:    // the OutputIterator type is a user-defined class (apparently all user 
Chris@16:    // defined iterators are "unsafe").  This code works around that:
Chris@16:    //
Chris@16:    template<class InputIterator, class OutputIterator>
Chris@16:    inline OutputIterator copy(
Chris@16:       InputIterator first, 
Chris@16:       InputIterator last, 
Chris@16:       OutputIterator dest
Chris@16:    )
Chris@16:    {
Chris@16:       return stdext::unchecked_copy(first, last, dest);
Chris@16:    }
Chris@16:    template<class InputIterator1, class InputIterator2>
Chris@16:    inline bool equal(
Chris@16:       InputIterator1 first, 
Chris@16:       InputIterator1 last, 
Chris@16:       InputIterator2 with
Chris@16:    )
Chris@16:    {
Chris@16:       return stdext::unchecked_equal(first, last, with);
Chris@16:    }
Chris@16: #elif BOOST_WORKAROUND(BOOST_MSVC, > 1500)
Chris@16:    //
Chris@16:    // MSVC 10 will either emit warnings or else refuse to compile
Chris@16:    // code that makes perfectly legitimate use of std::copy, when
Chris@16:    // the OutputIterator type is a user-defined class (apparently all user 
Chris@16:    // defined iterators are "unsafe").  What's more Microsoft have removed their
Chris@16:    // non-standard "unchecked" versions, even though their still in the MS
Chris@16:    // documentation!! Work around this as best we can: 
Chris@16:    //
Chris@16:    template<class InputIterator, class OutputIterator>
Chris@16:    inline OutputIterator copy(
Chris@16:       InputIterator first, 
Chris@16:       InputIterator last, 
Chris@16:       OutputIterator dest
Chris@16:    )
Chris@16:    {
Chris@16:       while(first != last)
Chris@16:          *dest++ = *first++;
Chris@16:       return dest;
Chris@16:    }
Chris@16:    template<class InputIterator1, class InputIterator2>
Chris@16:    inline bool equal(
Chris@16:       InputIterator1 first, 
Chris@16:       InputIterator1 last, 
Chris@16:       InputIterator2 with
Chris@16:    )
Chris@16:    {
Chris@16:       while(first != last)
Chris@16:          if(*first++ != *with++) return false;
Chris@16:       return true;
Chris@16:    }
Chris@16: #else 
Chris@16:    using std::copy; 
Chris@16:    using std::equal; 
Chris@16: #endif 
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC,>=1400) && defined(__STDC_WANT_SECURE_LIB__) && __STDC_WANT_SECURE_LIB__ 
Chris@16: 
Chris@16:    // use safe versions of strcpy etc:
Chris@16:    using ::strcpy_s;
Chris@16:    using ::strcat_s;
Chris@16: #else
Chris@16:    inline std::size_t strcpy_s(
Chris@16:       char *strDestination,
Chris@16:       std::size_t sizeInBytes,
Chris@16:       const char *strSource 
Chris@16:    )
Chris@16:    {
Chris@16:       if(std::strlen(strSource)+1 > sizeInBytes)
Chris@16:          return 1;
Chris@16:       std::strcpy(strDestination, strSource);
Chris@16:       return 0;
Chris@16:    }
Chris@16:    inline std::size_t strcat_s(
Chris@16:       char *strDestination,
Chris@16:       std::size_t sizeInBytes,
Chris@16:       const char *strSource 
Chris@16:    )
Chris@16:    {
Chris@16:       if(std::strlen(strSource) + std::strlen(strDestination) + 1 > sizeInBytes)
Chris@16:          return 1;
Chris@16:       std::strcat(strDestination, strSource);
Chris@16:       return 0;
Chris@16:    }
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16:    inline void overflow_error_if_not_zero(std::size_t i)
Chris@16:    {
Chris@16:       if(i)
Chris@16:       {
Chris@16:          std::overflow_error e("String buffer too small");
Chris@16:          boost::throw_exception(e);
Chris@16:       }
Chris@16:    }
Chris@16: 
Chris@16: }} // namespaces
Chris@16: 
Chris@16: #endif // __cplusplus
Chris@16: 
Chris@16: #endif // include guard
Chris@16: