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