diff options
Diffstat (limited to 'contrib/libstdc++/include/bits/basic_string.h')
| -rw-r--r-- | contrib/libstdc++/include/bits/basic_string.h | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/contrib/libstdc++/include/bits/basic_string.h b/contrib/libstdc++/include/bits/basic_string.h index e05a1c6..a9c02ce 100644 --- a/contrib/libstdc++/include/bits/basic_string.h +++ b/contrib/libstdc++/include/bits/basic_string.h @@ -650,8 +650,11 @@ namespace std || less<const _CharT*>()(_M_data() + __size, __s)) return _M_replace_safe(_M_ibegin() + __pos, _M_ibegin() + __pos + __foldn1, __s, __s + __n2); - else return this->replace(_M_check(__pos), _M_fold(__pos, __n1), - __s, __s + __n2); + // Todo: optimized in-place replace. + else return + _M_replace(_M_ibegin() + __pos, _M_ibegin() + __pos + __foldn1, + __s, __s + __n2, + typename iterator_traits<const _CharT*>::iterator_category()); } basic_string& @@ -685,6 +688,30 @@ namespace std { return _M_replace(__i1, __i2, __k1, __k2, typename iterator_traits<_InputIterator>::iterator_category()); } + // Specializations for the common case of pointer and iterator: + // useful to avoid the overhead of temporary buffering in _M_replace. + basic_string& + replace(iterator __i1, iterator __i2, _CharT* __k1, _CharT* __k2) + { return this->replace(__i1 - _M_ibegin(), __i2 - __i1, + __k1, __k2 - __k1); } + + basic_string& + replace(iterator __i1, iterator __i2, const _CharT* __k1, const _CharT* __k2) + { return this->replace(__i1 - _M_ibegin(), __i2 - __i1, + __k1, __k2 - __k1); } + + basic_string& + replace(iterator __i1, iterator __i2, iterator __k1, iterator __k2) + { return this->replace(__i1 - _M_ibegin(), __i2 - __i1, + __k1.base(), __k2 - __k1); + } + + basic_string& + replace(iterator __i1, iterator __i2, const_iterator __k1, const_iterator __k2) + { return this->replace(__i1 - _M_ibegin(), __i2 - __i1, + __k1.base(), __k2 - __k1); + } + private: template<class _InputIterator> basic_string& |
