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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
600 lines
20 KiB
C++
600 lines
20 KiB
C++
/*
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* Copyright (c) 2004
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* Francois Dumont
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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//Included from _string.h, no need for macro guarding.
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_STLP_BEGIN_NAMESPACE
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#if defined (_STLP_DEBUG)
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# define basic_string _STLP_NON_DBG_NAME(str)
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_STLP_MOVE_TO_PRIV_NAMESPACE
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#endif
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#define _STLP_NO_MEM_T_STRING_BASE _STLP_PRIV _STLP_NO_MEM_T_NAME(str)<_CharT, _Traits, _Alloc>
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template <class _CharT, class _Traits, class _Alloc>
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class basic_string : public _STLP_NO_MEM_T_STRING_BASE
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#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (basic_string)
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, public __stlport_class<basic_string<_CharT, _Traits, _Alloc> >
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#endif
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{
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private: // Protected members inherited from base.
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typedef basic_string<_CharT, _Traits, _Alloc> _Self;
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typedef _STLP_NO_MEM_T_STRING_BASE _Base;
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typedef typename _Base::_CalledFromWorkaround_t _CalledFromWorkaround_t;
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public:
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__IMPORT_WITH_REVERSE_ITERATORS(_Base)
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typedef typename _Base::_Iterator_category _Iterator_category;
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typedef typename _Base::traits_type traits_type;
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typedef typename _Base::_Reserve_t _Reserve_t;
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#include <stl/_string_npos.h>
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public: // Constructor, destructor, assignment.
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explicit basic_string(const allocator_type& __a = allocator_type())
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: _STLP_NO_MEM_T_STRING_BASE(__a) {}
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basic_string(_Reserve_t __r, size_t __n,
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const allocator_type& __a = allocator_type())
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: _STLP_NO_MEM_T_STRING_BASE(__r, __n, __a) {}
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basic_string(const _Self& __s)
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: _STLP_NO_MEM_T_STRING_BASE(__s) {}
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basic_string(const _Self& __s, size_type __pos, size_type __n = npos,
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const allocator_type& __a = allocator_type())
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: _STLP_NO_MEM_T_STRING_BASE(__s, __pos, __n, __a) {}
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basic_string(const _CharT* __s, size_type __n,
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const allocator_type& __a = allocator_type())
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: _STLP_NO_MEM_T_STRING_BASE(__s, __n, __a) {}
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basic_string(const _CharT* __s,
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const allocator_type& __a = allocator_type())
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: _STLP_NO_MEM_T_STRING_BASE(__s, __a) {}
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basic_string(size_type __n, _CharT __c,
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const allocator_type& __a = allocator_type())
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: _STLP_NO_MEM_T_STRING_BASE(__n, __c, __a) {}
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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basic_string(__move_source<_Self> src)
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: _STLP_NO_MEM_T_STRING_BASE(__move_source<_Base>(src.get())) {}
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#endif
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// Check to see if _InputIterator is an integer type. If so, then
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// it can't be an iterator.
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template <class _InputIterator>
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basic_string(_InputIterator __f, _InputIterator __l,
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const allocator_type & __a _STLP_ALLOCATOR_TYPE_DFL)
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: _STLP_NO_MEM_T_STRING_BASE(_CalledFromWorkaround_t(), __a) {
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typedef typename _IsIntegral<_InputIterator>::_Ret _Integral;
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_M_initialize_dispatch(__f, __l, _Integral());
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}
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# if defined (_STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS)
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template <class _InputIterator>
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basic_string(_InputIterator __f, _InputIterator __l)
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: _STLP_NO_MEM_T_STRING_BASE(_CalledFromWorkaround_t(), allocator_type()) {
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typedef typename _IsIntegral<_InputIterator>::_Ret _Integral;
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_M_initialize_dispatch(__f, __l, _Integral());
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}
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# endif
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_Self& operator=(const _Self& __s) {
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_Base::operator=(__s);
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return *this;
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}
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_Self& operator=(const _CharT* __s) {
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_Base::operator=(__s);
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return *this;
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}
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_Self& operator=(_CharT __c) {
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_Base::operator=(__c);
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return *this;
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}
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private:
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template <class _InputIter>
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void _M_range_initialize(_InputIter __f, _InputIter __l,
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const input_iterator_tag &__tag) {
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this->_M_allocate_block();
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this->_M_construct_null(this->_M_Finish());
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_M_appendT(__f, __l, __tag);
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}
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template <class _ForwardIter>
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void _M_range_initialize(_ForwardIter __f, _ForwardIter __l,
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const forward_iterator_tag &) {
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difference_type __n = _STLP_STD::distance(__f, __l);
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this->_M_allocate_block(__n + 1);
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this->_M_finish = uninitialized_copy(__f, __l, this->_M_Start());
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this->_M_terminate_string();
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}
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template <class _InputIter>
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void _M_range_initializeT(_InputIter __f, _InputIter __l) {
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_M_range_initialize(__f, __l, _STLP_ITERATOR_CATEGORY(__f, _InputIter));
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}
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template <class _Integer>
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void _M_initialize_dispatch(_Integer __n, _Integer __x, const __true_type& /*_Integral*/) {
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this->_M_allocate_block(__n + 1);
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this->_M_finish = uninitialized_fill_n(this->_M_Start(), __n, __x);
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this->_M_terminate_string();
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}
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template <class _InputIter>
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void _M_initialize_dispatch(_InputIter __f, _InputIter __l, const __false_type& /*_Integral*/) {
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_M_range_initializeT(__f, __l);
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}
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public: // Append, operator+=, push_back.
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_Self& operator+=(const _Self& __s) {
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_Base::operator+=(__s);
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return *this;
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}
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_Self& operator+=(const _CharT* __s) {
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_STLP_FIX_LITERAL_BUG(__s)
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_Base::operator+=(__s);
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return *this;
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}
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_Self& operator+=(_CharT __c) {
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_Base::operator+=(__c);
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return *this;
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}
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_Self& append(const _Self& __s) {
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_Base::append(__s);
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return *this;
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}
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_Self& append(const _Self& __s,
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size_type __pos, size_type __n) {
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_Base::append(__s, __pos, __n);
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return *this;
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}
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_Self& append(const _CharT* __s, size_type __n) {
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_STLP_FIX_LITERAL_BUG(__s)
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_Base::append(__s, __n);
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return *this;
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}
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_Self& append(const _CharT* __s) {
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_STLP_FIX_LITERAL_BUG(__s)
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_Base::append(__s);
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return *this;
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}
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_Self& append(size_type __n, _CharT __c) {
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_Base::append(__n, __c);
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return *this;
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}
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// Check to see if _InputIterator is an integer type. If so, then
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// it can't be an iterator.
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template <class _InputIter>
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_Self& append(_InputIter __first, _InputIter __last) {
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typedef typename _IsIntegral<_InputIter>::_Ret _Integral;
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return _M_append_dispatch(__first, __last, _Integral());
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}
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#if !defined (_STLP_NO_METHOD_SPECIALIZATION) && !defined (_STLP_NO_EXTENSIONS)
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//See equivalent assign method remark.
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_Self& append(const _CharT* __f, const _CharT* __l) {
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_STLP_FIX_LITERAL_BUG(__f)_STLP_FIX_LITERAL_BUG(__l)
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_Base::append(__f, __l);
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return *this;
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}
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#endif
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private: // Helper functions for append.
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template <class _InputIter>
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_Self& _M_appendT(_InputIter __first, _InputIter __last,
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const input_iterator_tag &) {
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for ( ; __first != __last ; ++__first)
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_Base::push_back(*__first);
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return *this;
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}
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template <class _ForwardIter>
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_Self& _M_appendT(_ForwardIter __first, _ForwardIter __last,
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const forward_iterator_tag &) {
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if (__first != __last) {
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const size_type __n = __STATIC_CAST(size_type, _STLP_STD::distance(__first, __last));
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if (__n >= this->_M_rest()) {
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size_type __len = this->_M_compute_next_size(__n);
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pointer __new_start = this->_M_start_of_storage.allocate(__len, __len);
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pointer __new_finish = uninitialized_copy(this->_M_Start(), this->_M_Finish(), __new_start);
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__new_finish = uninitialized_copy(__first, __last, __new_finish);
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this->_M_construct_null(__new_finish);
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this->_M_deallocate_block();
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this->_M_reset(__new_start, __new_finish, __new_start + __len);
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}
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else {
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_Traits::assign(*this->_M_finish, *__first++);
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uninitialized_copy(__first, __last, this->_M_Finish() + 1);
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this->_M_construct_null(this->_M_Finish() + __n);
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this->_M_finish += __n;
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}
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}
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return *this;
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}
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template <class _Integer>
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_Self& _M_append_dispatch(_Integer __n, _Integer __x, const __true_type& /*Integral*/)
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{ return append((size_type) __n, (_CharT) __x); }
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template <class _InputIter>
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_Self& _M_append_dispatch(_InputIter __f, _InputIter __l, const __false_type& /*Integral*/)
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{ return _M_appendT(__f, __l, _STLP_ITERATOR_CATEGORY(__f, _InputIter)); }
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public: // Assign
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_Self& assign(const _Self& __s) {
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_Base::assign(__s);
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return *this;
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}
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_Self& assign(const _Self& __s,
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size_type __pos, size_type __n) {
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_Base::assign(__s, __pos, __n);
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return *this;
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}
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_Self& assign(const _CharT* __s, size_type __n) {
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_STLP_FIX_LITERAL_BUG(__s)
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_Base::assign(__s, __n);
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return *this;
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}
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_Self& assign(const _CharT* __s) {
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_STLP_FIX_LITERAL_BUG(__s)
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_Base::assign(__s);
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return *this;
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}
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_Self& assign(size_type __n, _CharT __c) {
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_Base::assign(__n, __c);
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return *this;
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}
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private: // Helper functions for assign.
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template <class _Integer>
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_Self& _M_assign_dispatch(_Integer __n, _Integer __x, const __true_type& /*_Integral*/)
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{ return assign((size_type) __n, (_CharT) __x); }
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template <class _InputIter>
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_Self& _M_assign_dispatch(_InputIter __f, _InputIter __l, const __false_type& /*_Integral*/) {
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pointer __cur = this->_M_Start();
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while (__f != __l && __cur != this->_M_Finish()) {
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_Traits::assign(*__cur, *__f);
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++__f;
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++__cur;
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}
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if (__f == __l)
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_Base::erase(__cur, this->_M_Finish());
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else
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_M_appendT(__f, __l, _STLP_ITERATOR_CATEGORY(__f, _InputIter));
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return *this;
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}
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public:
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// Check to see if _InputIterator is an integer type. If so, then
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// it can't be an iterator.
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template <class _InputIter>
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_Self& assign(_InputIter __first, _InputIter __last) {
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typedef typename _IsIntegral<_InputIter>::_Ret _Integral;
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return _M_assign_dispatch(__first, __last, _Integral());
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}
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#if !defined (_STLP_NO_METHOD_SPECIALIZATION) && !defined (_STLP_NO_EXTENSIONS)
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/* This method is not part of the standard and is a specialization of the
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* template method assign. It is only granted for convenience to call assign
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* with mixed parameters iterator and const_iterator.
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*/
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_Self& assign(const _CharT* __f, const _CharT* __l) {
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_STLP_FIX_LITERAL_BUG(__f)_STLP_FIX_LITERAL_BUG(__l)
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_Base::assign(__f, __l);
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return *this;
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}
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#endif
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public: // Insert
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_Self& insert(size_type __pos, const _Self& __s) {
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_Base::insert(__pos, __s);
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return *this;
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}
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_Self& insert(size_type __pos, const _Self& __s,
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size_type __beg, size_type __n) {
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_Base::insert(__pos, __s, __beg, __n);
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return *this;
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}
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_Self& insert(size_type __pos, const _CharT* __s, size_type __n) {
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_STLP_FIX_LITERAL_BUG(__s)
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_Base::insert(__pos, __s, __n);
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return *this;
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}
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_Self& insert(size_type __pos, const _CharT* __s) {
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_STLP_FIX_LITERAL_BUG(__s)
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_Base::insert(__pos, __s);
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return *this;
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}
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_Self& insert(size_type __pos, size_type __n, _CharT __c) {
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_Base::insert(__pos, __n, __c);
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return *this;
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}
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iterator insert(iterator __p, _CharT __c)
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{ return _Base::insert(__p, __c); }
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void insert(iterator __p, size_t __n, _CharT __c)
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{ _Base::insert(__p, __n, __c); }
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// Check to see if _InputIterator is an integer type. If so, then
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// it can't be an iterator.
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template <class _InputIter>
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void insert(iterator __p, _InputIter __first, _InputIter __last) {
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typedef typename _IsIntegral<_InputIter>::_Ret _Integral;
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_M_insert_dispatch(__p, __first, __last, _Integral());
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}
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#if !defined (_STLP_NO_METHOD_SPECIALIZATION)
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public:
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void insert(iterator __p, const _CharT* __f, const _CharT* __l) {
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_STLP_FIX_LITERAL_BUG(__f) _STLP_FIX_LITERAL_BUG(__l)
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_M_insert(__p, __f, __l, this->_M_inside(__f));
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}
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#endif
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private: // Helper functions for insert.
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void _M_insert(iterator __p, const _CharT* __f, const _CharT* __l, bool __self_ref) {
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_STLP_FIX_LITERAL_BUG(__f)_STLP_FIX_LITERAL_BUG(__l)
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_Base::_M_insert(__p, __f, __l, __self_ref);
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}
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template <class _ForwardIter>
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void _M_insert_overflow(iterator __pos, _ForwardIter __first, _ForwardIter __last,
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size_type __n) {
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size_type __len = this->_M_compute_next_size(__n);
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pointer __new_start = this->_M_start_of_storage.allocate(__len, __len);
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pointer __new_finish = uninitialized_copy(this->_M_Start(), __pos, __new_start);
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__new_finish = uninitialized_copy(__first, __last, __new_finish);
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__new_finish = uninitialized_copy(__pos, this->_M_Finish(), __new_finish);
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this->_M_construct_null(__new_finish);
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this->_M_deallocate_block();
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this->_M_reset(__new_start, __new_finish, __new_start + __len);
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}
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template <class _InputIter>
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void _M_insertT(iterator __p, _InputIter __first, _InputIter __last,
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const input_iterator_tag &) {
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for ( ; __first != __last; ++__first) {
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__p = insert(__p, *__first);
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++__p;
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}
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}
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template <class _ForwardIter>
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void _M_insertT(iterator __pos, _ForwardIter __first, _ForwardIter __last,
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const forward_iterator_tag &) {
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if (__first != __last) {
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size_type __n = __STATIC_CAST(size_type, _STLP_STD::distance(__first, __last));
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if (__n < this->_M_rest()) {
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const size_type __elems_after = this->_M_finish - __pos;
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if (__elems_after >= __n) {
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uninitialized_copy((this->_M_Finish() - __n) + 1, this->_M_Finish() + 1, this->_M_Finish() + 1);
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this->_M_finish += __n;
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_Traits::move(__pos + __n, __pos, (__elems_after - __n) + 1);
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_M_copyT(__first, __last, __pos);
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}
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else {
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pointer __old_finish = this->_M_Finish();
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_ForwardIter __mid = __first;
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_STLP_STD::advance(__mid, __elems_after + 1);
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_STLP_STD::uninitialized_copy(__mid, __last, this->_M_Finish() + 1);
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this->_M_finish += __n - __elems_after;
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uninitialized_copy(__pos, __old_finish + 1, this->_M_Finish());
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this->_M_finish += __elems_after;
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_M_copyT(__first, __mid, __pos);
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}
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}
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else {
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_M_insert_overflow(__pos, __first, __last, __n);
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}
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}
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}
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template <class _Integer>
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void _M_insert_dispatch(iterator __p, _Integer __n, _Integer __x,
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const __true_type& /*Integral*/)
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{ insert(__p, (size_type) __n, (_CharT) __x); }
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template <class _InputIter>
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void _M_insert_dispatch(iterator __p, _InputIter __first, _InputIter __last,
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const __false_type& /*Integral*/) {
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_STLP_FIX_LITERAL_BUG(__p)
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/* We are forced to do a temporary string to avoid the self referencing issue. */
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const _Self __self(__first, __last, this->get_allocator());
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_M_insertT(__p, __self.begin(), __self.end(), _STLP_ITERATOR_CATEGORY(__first, _InputIter));
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}
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template <class _InputIterator>
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void _M_copyT(_InputIterator __first, _InputIterator __last, pointer __result) {
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_STLP_FIX_LITERAL_BUG(__p)
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for ( ; __first != __last; ++__first, ++__result)
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_Traits::assign(*__result, *__first);
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}
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#if !defined (_STLP_NO_METHOD_SPECIALIZATION)
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void _M_copyT(const _CharT* __f, const _CharT* __l, _CharT* __res) {
|
|
_STLP_FIX_LITERAL_BUG(__f) _STLP_FIX_LITERAL_BUG(__l) _STLP_FIX_LITERAL_BUG(__res)
|
|
_Base::_M_copy(__f, __l, __res);
|
|
}
|
|
#endif
|
|
|
|
public: // Erase.
|
|
_Self& erase(size_type __pos = 0, size_type __n = npos) {
|
|
_Base::erase(__pos, __n);
|
|
return *this;
|
|
}
|
|
|
|
iterator erase(iterator __pos) {
|
|
_STLP_FIX_LITERAL_BUG(__pos)
|
|
return _Base::erase(__pos);
|
|
}
|
|
|
|
iterator erase(iterator __first, iterator __last) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
return _Base::erase(__first, __last);
|
|
}
|
|
|
|
public: // Replace. (Conceptually equivalent
|
|
// to erase followed by insert.)
|
|
_Self& replace(size_type __pos, size_type __n, const _Self& __s) {
|
|
_Base::replace(__pos, __n, __s);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(size_type __pos1, size_type __n1, const _Self& __s,
|
|
size_type __pos2, size_type __n2) {
|
|
_Base::replace(__pos1, __n1, __s, __pos2, __n2);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(size_type __pos, size_type __n1,
|
|
const _CharT* __s, size_type __n2) {
|
|
_STLP_FIX_LITERAL_BUG(__s)
|
|
_Base::replace(__pos, __n1, __s, __n2);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(size_type __pos, size_type __n1, const _CharT* __s) {
|
|
_STLP_FIX_LITERAL_BUG(__s)
|
|
_Base::replace(__pos, __n1, __s);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(size_type __pos, size_type __n1,
|
|
size_type __n2, _CharT __c) {
|
|
_Base::replace(__pos, __n1, __n2, __c);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(iterator __first, iterator __last, const _Self& __s) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
_Base::replace(__first, __last, __s);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(iterator __first, iterator __last,
|
|
const _CharT* __s, size_type __n) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
_STLP_FIX_LITERAL_BUG(__s)
|
|
_Base::replace(__first, __last, __s, __n);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(iterator __first, iterator __last,
|
|
const _CharT* __s) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
_STLP_FIX_LITERAL_BUG(__s)
|
|
_Base::replace(__first, __last, __s);
|
|
return *this;
|
|
}
|
|
|
|
_Self& replace(iterator __first, iterator __last,
|
|
size_type __n, _CharT __c) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
_Base::replace(__first, __last, __n, __c);
|
|
return *this;
|
|
}
|
|
|
|
// Check to see if _InputIter is an integer type. If so, then
|
|
// it can't be an iterator.
|
|
template <class _InputIter>
|
|
_Self& replace(iterator __first, iterator __last,
|
|
_InputIter __f, _InputIter __l) {
|
|
_STLP_FIX_LITERAL_BUG(__first)_STLP_FIX_LITERAL_BUG(__last)
|
|
typedef typename _IsIntegral<_InputIter>::_Ret _Integral;
|
|
return _M_replace_dispatch(__first, __last, __f, __l, _Integral());
|
|
}
|
|
|
|
#if !defined (_STLP_NO_METHOD_SPECIALIZATION)
|
|
_Self& replace(iterator __first, iterator __last,
|
|
const _CharT* __f, const _CharT* __l) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
_STLP_FIX_LITERAL_BUG(__f) _STLP_FIX_LITERAL_BUG(__l)
|
|
return _M_replace(__first, __last, __f, __l, this->_M_inside(__f));
|
|
}
|
|
#endif
|
|
|
|
private: // Helper functions for replace.
|
|
_Self& _M_replace(iterator __first, iterator __last,
|
|
const _CharT* __f, const _CharT* __l, bool __self_ref) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
_STLP_FIX_LITERAL_BUG(__f) _STLP_FIX_LITERAL_BUG(__l)
|
|
_Base::_M_replace(__first, __last, __f, __l, __self_ref);
|
|
return *this;
|
|
}
|
|
|
|
template <class _Integer>
|
|
_Self& _M_replace_dispatch(iterator __first, iterator __last,
|
|
_Integer __n, _Integer __x, const __true_type& /*IsIntegral*/) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
return replace(__first, __last, (size_type) __n, (_CharT) __x);
|
|
}
|
|
|
|
template <class _InputIter>
|
|
_Self& _M_replace_dispatch(iterator __first, iterator __last,
|
|
_InputIter __f, _InputIter __l, const __false_type& /*IsIntegral*/) {
|
|
_STLP_FIX_LITERAL_BUG(__first) _STLP_FIX_LITERAL_BUG(__last)
|
|
/* We are forced to do a temporary string to avoid the self referencing issue. */
|
|
const _Self __self(__f, __l, this->get_allocator());
|
|
return _M_replace(__first, __last, __self._M_Start(), __self._M_Finish(), false);
|
|
}
|
|
|
|
public: // Other modifier member functions.
|
|
void swap(_Self& __s) { _Base::swap(__s); }
|
|
#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
|
|
void _M_swap_workaround(_Self& __x) { swap(__x); }
|
|
#endif
|
|
|
|
public: // Substring.
|
|
_Self substr(size_type __pos = 0, size_type __n = npos) const
|
|
{ return _Self(*this, __pos, __n, this->get_allocator()); }
|
|
|
|
#if defined (_STLP_USE_TEMPLATE_EXPRESSION) && !defined (_STLP_DEBUG)
|
|
# define _STLP_STRING_SUM_BASE _STLP_NO_MEM_T_STRING_BASE
|
|
# include <stl/_string_sum_methods.h>
|
|
# undef _STLP_STRING_SUM_BASE
|
|
#endif
|
|
};
|
|
|
|
#undef _STLP_NO_MEM_T_STRING_BASE
|
|
|
|
#if defined (basic_string)
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
# undef basic_string
|
|
#endif
|
|
|
|
_STLP_END_NAMESPACE
|