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Diffstat (limited to 'src/third_party/boost-1.56.0/boost/random/detail/vector_io.hpp')
-rw-r--r-- | src/third_party/boost-1.56.0/boost/random/detail/vector_io.hpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/third_party/boost-1.56.0/boost/random/detail/vector_io.hpp b/src/third_party/boost-1.56.0/boost/random/detail/vector_io.hpp new file mode 100644 index 00000000000..24508c210e1 --- /dev/null +++ b/src/third_party/boost-1.56.0/boost/random/detail/vector_io.hpp @@ -0,0 +1,75 @@ +/* boost random/vector_io.hpp header file + * + * Copyright Steven Watanabe 2011 + * Distributed under 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) + * + * See http://www.boost.org for most recent version including documentation. + * + * $Id$ + */ + +#ifndef BOOST_RANDOM_DETAIL_VECTOR_IO_HPP +#define BOOST_RANDOM_DETAIL_VECTOR_IO_HPP + +#include <vector> +#include <iosfwd> +#include <istream> + +namespace boost { +namespace random { +namespace detail { + +template<class CharT, class Traits, class T> +void print_vector(std::basic_ostream<CharT, Traits>& os, + const std::vector<T>& vec) +{ + typename std::vector<T>::const_iterator + iter = vec.begin(), + end = vec.end(); + os << os.widen('['); + if(iter != end) { + os << *iter; + ++iter; + for(; iter != end; ++iter) + { + os << os.widen(' ') << *iter; + } + } + os << os.widen(']'); +} + +template<class CharT, class Traits, class T> +void read_vector(std::basic_istream<CharT, Traits>& is, std::vector<T>& vec) +{ + CharT ch; + if(!(is >> ch)) { + return; + } + if(ch != is.widen('[')) { + is.putback(ch); + is.setstate(std::ios_base::failbit); + return; + } + T val; + while(is >> std::ws >> val) { + vec.push_back(val); + } + if(is.fail()) { + is.clear(); + if(!(is >> ch)) { + return; + } + if(ch != is.widen(']')) { + is.putback(ch); + is.setstate(std::ios_base::failbit); + } + } +} + +} +} +} + +#endif // BOOST_RANDOM_DETAIL_VECTOR_IO_HPP |