76 lines
1.7 KiB
Plaintext
76 lines
1.7 KiB
Plaintext
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/* boost random/vector_io.hpp header file
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*
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* Copyright Steven Watanabe 2011
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* Distributed under the Boost Software License, Version 1.0. (See
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* accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* See http://www.boost.org for most recent version including documentation.
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*
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* $Id$
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*/
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#ifndef BOOST_RANDOM_DETAIL_VECTOR_IO_HPP
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#define BOOST_RANDOM_DETAIL_VECTOR_IO_HPP
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#include <vector>
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#include <iosfwd>
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#include <istream>
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namespace boost {
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namespace random {
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namespace detail {
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template<class CharT, class Traits, class T>
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void print_vector(std::basic_ostream<CharT, Traits>& os,
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const std::vector<T>& vec)
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{
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typename std::vector<T>::const_iterator
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iter = vec.begin(),
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end = vec.end();
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os << os.widen('[');
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if(iter != end) {
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os << *iter;
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++iter;
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for(; iter != end; ++iter)
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{
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os << os.widen(' ') << *iter;
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}
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}
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os << os.widen(']');
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}
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template<class CharT, class Traits, class T>
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void read_vector(std::basic_istream<CharT, Traits>& is, std::vector<T>& vec)
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{
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CharT ch;
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if(!(is >> ch)) {
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return;
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}
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if(ch != is.widen('[')) {
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is.putback(ch);
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is.setstate(std::ios_base::failbit);
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return;
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}
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T val;
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while(is >> std::ws >> val) {
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vec.push_back(val);
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}
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if(is.fail()) {
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is.clear();
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if(!(is >> ch)) {
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return;
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}
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if(ch != is.widen(']')) {
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is.putback(ch);
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is.setstate(std::ios_base::failbit);
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}
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}
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}
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}
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}
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}
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#endif // BOOST_RANDOM_DETAIL_VECTOR_IO_HPP
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