projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // Boost.Range library |
| 2 | // | |
| 3 | // Copyright Neil Groves 2009. Use, modification and | |
| 4 | // distribution is subject to the Boost Software License, Version | |
| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 7 | // | |
| 8 | // For more information, see http://www.boost.org/libs/range/ | |
| 9 | // | |
| 10 | #ifndef BOOST_RANGE_ALGORITHM_EXT_OVERWRITE_HPP_INCLUDED | |
| 11 | #define BOOST_RANGE_ALGORITHM_EXT_OVERWRITE_HPP_INCLUDED | |
| 12 | ||
| 13 | #include <boost/range/config.hpp> | |
| 14 | #include <boost/range/concepts.hpp> | |
| 15 | #include <boost/range/difference_type.hpp> | |
| 16 | #include <boost/range/iterator.hpp> | |
| 17 | #include <boost/range/begin.hpp> | |
| 18 | #include <boost/range/end.hpp> | |
| 19 | #include <boost/assert.hpp> | |
| 20 | ||
| 21 | namespace boost | |
| 22 | { | |
| 23 | namespace range | |
| 24 | { | |
| 25 | ||
| 26 | template< class SinglePassRange1, class SinglePassRange2 > | |
| 27 | inline void overwrite( const SinglePassRange1& from, SinglePassRange2& to ) | |
| 28 | { | |
| 29 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); | |
| 30 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> )); | |
| 31 | ||
| 32 | BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type | |
| 33 | i = boost::begin(from), e = boost::end(from); | |
| 34 | ||
| 35 | BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type | |
| 36 | out = boost::begin(to); | |
| 37 | ||
| 38 | #ifndef NDEBUG | |
| 39 | BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type | |
| 40 | last_out = boost::end(to); | |
| 41 | #endif | |
| 42 | ||
| 43 | for( ; i != e; ++out, ++i ) | |
| 44 | { | |
| 45 | #ifndef NDEBUG | |
| 46 | BOOST_ASSERT( out != last_out | |
| 47 | && "out of bounds in boost::overwrite()" ); | |
| 48 | #endif | |
| 49 | *out = *i; | |
| 50 | } | |
| 51 | } | |
| 52 | ||
| 53 | template< class SinglePassRange1, class SinglePassRange2 > | |
| 54 | inline void overwrite( const SinglePassRange1& from, const SinglePassRange2& to ) | |
| 55 | { | |
| 56 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); | |
| 57 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> )); | |
| 58 | ||
| 59 | BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type | |
| 60 | i = boost::begin(from), e = boost::end(from); | |
| 61 | ||
| 62 | BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type | |
| 63 | out = boost::begin(to); | |
| 64 | ||
| 65 | #ifndef NDEBUG | |
| 66 | BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type | |
| 67 | last_out = boost::end(to); | |
| 68 | #endif | |
| 69 | ||
| 70 | for( ; i != e; ++out, ++i ) | |
| 71 | { | |
| 72 | #ifndef NDEBUG | |
| 73 | BOOST_ASSERT( out != last_out | |
| 74 | && "out of bounds in boost::overwrite()" ); | |
| 75 | #endif | |
| 76 | *out = *i; | |
| 77 | } | |
| 78 | } | |
| 79 | ||
| 80 | } // namespace range | |
| 81 | using range::overwrite; | |
| 82 | } // namespace boost | |
| 83 | ||
| 84 | #endif // include guard |