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[SVN r50499]
This commit is contained in:
John Maddock
2009-01-07 13:19:32 +00:00
parent 3b3a3ce6d1
commit e81f710567
116 changed files with 4794 additions and 4419 deletions
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19
include/boost/regex/v4/basic_regex.hpp
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@ -74,6 +74,9 @@ struct regex_data
unsigned int m_can_be_null; // whether we can match a null string
re_detail::raw_storage m_data; // the buffer in which our states are constructed
typename traits::char_class_type m_word_mask; // mask used to determine if a character is a word character
std::vector<
std::pair<
std::size_t, std::size_t> > m_subs; // Position of sub-expressions within the *string*.
};
//
// class basic_regex_implementation
@ -122,6 +125,14 @@ public:
{
return this->m_expression;
}
std::pair<const_iterator, const_iterator> BOOST_REGEX_CALL subexpression(std::size_t n)const
{
if(n == 0)
throw std::out_of_range("0 is not a valid subexpression index.");
const std::pair<std::size_t, std::size_t>& pi = this->m_subs.at(n - 1);
std::pair<const_iterator, const_iterator> p(expression() + pi.first, expression() + pi.second);
return p;
}
//
// begin, end:
const_iterator BOOST_REGEX_CALL begin()const
@ -366,7 +377,13 @@ public:
return m_pimpl.get() ? m_pimpl->str() : std::basic_string<charT>();
}
//
// begin, end:
// begin, end, subexpression:
std::pair<const_iterator, const_iterator> BOOST_REGEX_CALL subexpression(std::size_t n)const
{
if(!m_pimpl.get())
throw std::logic_error("Can't access subexpressions in an invalid regex.");
return m_pimpl->subexpression(n);
}
const_iterator BOOST_REGEX_CALL begin()const
{
return (m_pimpl.get() ? m_pimpl->begin() : 0);