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Improved const correctness, fixed thread safety bug.

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[SVN r34774]
This commit is contained in:
John Maddock
2006-07-29 16:01:48 +00:00
parent d3b885e20b
commit 65347f0f7f
3 changed files with 26 additions and 24 deletions
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30
include/boost/regex/v4/cpp_regex_traits.hpp
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@ -407,12 +407,12 @@ public:
typedef charT char_type;
//cpp_regex_traits_implementation();
cpp_regex_traits_implementation(const std::locale& l)
: cpp_regex_traits_char_layer<charT>(l), m_is(&m_sbuf)
: cpp_regex_traits_char_layer<charT>(l)
{
init();
}
cpp_regex_traits_implementation(const cpp_regex_traits_base<charT>& l)
: cpp_regex_traits_char_layer<charT>(l), m_is(&m_sbuf)
: cpp_regex_traits_char_layer<charT>(l)
{
init();
}
@ -439,8 +439,6 @@ public:
string_type lookup_collatename(const charT* p1, const charT* p2) const;
string_type transform_primary(const charT* p1, const charT* p2) const;
string_type transform(const charT* p1, const charT* p2) const;
re_detail::parser_buf<charT> m_sbuf; // buffer for parsing numbers.
std::basic_istream<charT> m_is; // stream for parsing numbers.
private:
std::map<int, std::string> m_error_strings; // error messages indexed by numberic ID
std::map<string_type, char_class_type> m_custom_class_names; // character class names
@ -816,7 +814,7 @@ bool cpp_regex_traits_implementation<charT>::isctype(const charT c, char_class_t
template <class charT>
inline boost::shared_ptr<cpp_regex_traits_implementation<charT> > create_cpp_regex_traits(const std::locale& l BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(charT))
inline boost::shared_ptr<const cpp_regex_traits_implementation<charT> > create_cpp_regex_traits(const std::locale& l BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(charT))
{
cpp_regex_traits_base<charT> key(l);
return ::boost::object_cache<cpp_regex_traits_base<charT>, cpp_regex_traits_implementation<charT> >::get(key, 5);
@ -954,7 +952,7 @@ public:
static std::string get_catalog_name();
private:
boost::shared_ptr<re_detail::cpp_regex_traits_implementation<charT> > m_pimpl;
boost::shared_ptr<const re_detail::cpp_regex_traits_implementation<charT> > m_pimpl;
//
// catalog name handler:
//
@ -969,17 +967,21 @@ private:
template <class charT>
int cpp_regex_traits<charT>::toi(const charT*& first, const charT* last, int radix)const
{
re_detail::parser_buf<charT> sbuf; // buffer for parsing numbers.
std::basic_istream<charT> is(&sbuf); // stream for parsing numbers.
// we do NOT want to parse any thousands separators inside the stream:
last = std::find(first, last, BOOST_USE_FACET(std::numpunct<charT>, m_pimpl->m_is.getloc()).thousands_sep());
m_pimpl->m_sbuf.pubsetbuf(const_cast<charT*>(static_cast<const charT*>(first)), static_cast<std::streamsize>(last-first));
m_pimpl->m_is.clear();
if(std::abs(radix) == 16) m_pimpl->m_is >> std::hex;
else if(std::abs(radix) == 8) m_pimpl->m_is >> std::oct;
else m_pimpl->m_is >> std::dec;
last = std::find(first, last, BOOST_USE_FACET(std::numpunct<charT>, is.getloc()).thousands_sep());
sbuf.pubsetbuf(const_cast<charT*>(static_cast<const charT*>(first)), static_cast<std::streamsize>(last-first));
is.clear();
if(std::abs(radix) == 16) is >> std::hex;
else if(std::abs(radix) == 8) is >> std::oct;
else is >> std::dec;
int val;
if(m_pimpl->m_is >> val)
if(is >> val)
{
first = first + ((last - first) - m_pimpl->m_sbuf.in_avail());
first = first + ((last - first) - sbuf.in_avail());
return val;
}
else