1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/tools/stlport/stl/_string_sum.h Tue Mar 16 16:12:26 2010 +0000
1.3 @@ -0,0 +1,413 @@
1.4 +/*
1.5 + * Copyright (c) 2003
1.6 + * Francois Dumont
1.7 + *
1.8 + * This material is provided "as is", with absolutely no warranty expressed
1.9 + * or implied. Any use is at your own risk.
1.10 + *
1.11 + * Permission to use or copy this software for any purpose is hereby granted
1.12 + * without fee, provided the above notices are retained on all copies.
1.13 + * Permission to modify the code and to distribute modified code is granted,
1.14 + * provided the above notices are retained, and a notice that the code was
1.15 + * modified is included with the above copyright notice.
1.16 + *
1.17 + */
1.18 +
1.19 +#ifndef _STLP_STRING_SUM_H
1.20 +#define _STLP_STRING_SUM_H
1.21 +
1.22 +_STLP_BEGIN_NAMESPACE
1.23 +
1.24 +_STLP_MOVE_TO_PRIV_NAMESPACE
1.25 +
1.26 +/*char wrapper to simulate basic_string*/
1.27 +template <class _CharT>
1.28 +struct __char_wrapper {
1.29 + typedef const _CharT& const_reference;
1.30 +
1.31 + __char_wrapper(_CharT __val) : _Val(__val) {}
1.32 +
1.33 + _CharT getValue() const { return _Val; }
1.34 + size_t size() const { return 1; }
1.35 +
1.36 + const_reference operator[] (size_t __n) const {
1.37 + //To avoid a check on __n we use this strange implementation
1.38 + return (&_Val)[__n];
1.39 + }
1.40 +
1.41 +private:
1.42 + _CharT _Val;
1.43 +};
1.44 +
1.45 +/*C string wrapper to simulate basic_string*/
1.46 +template <class _CharT>
1.47 +struct __cstr_wrapper {
1.48 + typedef const _CharT& const_reference;
1.49 +
1.50 + __cstr_wrapper(const _CharT *__cstr, size_t __size) :
1.51 + _CStr(__cstr), _Size(__size) {}
1.52 +
1.53 + const _CharT* c_str() const { return _CStr; }
1.54 +
1.55 + size_t size() const { return _Size; }
1.56 +
1.57 + const_reference operator[] (size_t __n) const { return _CStr[__n]; }
1.58 +
1.59 +private:
1.60 + const _CharT *_CStr;
1.61 + size_t _Size;
1.62 +};
1.63 +
1.64 +/*basic_string wrapper to ensure that we only store a reference to the original string and not copy it*/
1.65 +template <class _CharT, class _Traits, class _Alloc>
1.66 +struct __bstr_wrapper {
1.67 + typedef const _CharT& const_reference;
1.68 + typedef basic_string<_CharT, _Traits, _Alloc> _BString;
1.69 +
1.70 + __bstr_wrapper (_BString const& __s) :
1.71 + _BStr(__s) {}
1.72 +
1.73 + size_t size() const { return _BStr.size(); }
1.74 +
1.75 + const_reference operator[] (size_t __n) const { return _BStr[__n]; }
1.76 +
1.77 + _BString const& b_str() const { return _BStr; }
1.78 +
1.79 +private:
1.80 + _BString const& _BStr;
1.81 +};
1.82 +
1.83 +struct __on_left {};
1.84 +struct __on_right {};
1.85 +
1.86 +template <class _CharT, class _Traits, class _Alloc,
1.87 + class _Left, class _Right,
1.88 + class _StorageDirection>
1.89 +class __bstr_sum {
1.90 +public:
1.91 + typedef basic_string<_CharT, _Traits, _Alloc> _BString;
1.92 + typedef typename _BString::const_reference const_reference;
1.93 + typedef typename _BString::const_iterator const_iterator;
1.94 + typedef typename _BString::const_reverse_iterator const_reverse_iterator;
1.95 + typedef typename _BString::size_type size_type;
1.96 + typedef typename _BString::allocator_type allocator_type;
1.97 + typedef __bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDirection> _Self;
1.98 +
1.99 + __bstr_sum (_Left const& lhs, _Right const& rhs) :
1.100 + _lhs(lhs), _rhs(rhs) {}
1.101 +
1.102 + _Left const& getLhs() const { return _lhs; }
1.103 + _Right const& getRhs() const { return _rhs; }
1.104 +
1.105 + allocator_type get_allocator() const { return _M_get_storage(false).get_allocator(); }
1.106 +
1.107 + const_iterator begin() const { return _M_get_storage().begin(); }
1.108 + const_iterator end() const { return _M_get_storage().end(); }
1.109 + const_reverse_iterator rbegin() const { return _M_get_storage().rbegin(); }
1.110 + const_reverse_iterator rend() const { return _M_get_storage().rend(); }
1.111 +
1.112 + size_type size() const { return _lhs.size() + _rhs.size(); }
1.113 + size_type length() const { return size(); }
1.114 +
1.115 + size_t max_size() const { return _M_get_storage().max_size(); }
1.116 + size_type capacity() const { return size(); }
1.117 + bool empty() const { return size() == 0; }
1.118 +
1.119 + const_reference operator[](size_t __n) const
1.120 + { return (__n < _lhs.size())?_lhs[__n]:_rhs[__n - _lhs.size()]; }
1.121 +
1.122 + const_reference at(size_type __n) const
1.123 + { return _M_get_storage().at(__n); }
1.124 +
1.125 + //operator +=
1.126 + typedef __bstr_sum<_CharT, _Traits, _Alloc, _Self, __bstr_wrapper<_CharT, _Traits, _Alloc>, __on_left> _BStrOnLeft;
1.127 + _BStrOnLeft operator += (const _BString& __s) { return append(__s); }
1.128 +
1.129 + typedef __bstr_sum<_CharT, _Traits, _Alloc, _Self, __cstr_wrapper<_CharT>, __on_left> _CStrOnLeft;
1.130 + _CStrOnLeft operator += (const _CharT* __s) { return append(__s); }
1.131 +
1.132 + typedef __bstr_sum<_CharT, _Traits, _Alloc, _Self, __char_wrapper<_CharT>, __on_left> _CharOnLeft;
1.133 + _CharOnLeft operator += (_CharT __c) { return _CharOnLeft(*this, __c); }
1.134 +
1.135 + //append
1.136 + _BStrOnLeft append (const _BString& __s)
1.137 + { return _BStrOnLeft(*this, __s); }
1.138 + _BString& append(const _BString& __s, size_type __pos, size_type __n)
1.139 + { return _M_get_storage().append(__s, __pos, __n); }
1.140 + _CStrOnLeft append(const _CharT* __s) {
1.141 + const size_type __n = _Traits::length(__s);
1.142 + return _CStrOnLeft(*this, __cstr_wrapper<_CharT>(__s, __n));
1.143 + }
1.144 + _CStrOnLeft append(const _CharT* __s, size_type __n)
1.145 + { return _CStrOnLeft(*this, __cstr_wrapper<_CharT>(__s, __n)); }
1.146 + _BString& append(size_type __n, _CharT __c)
1.147 + {return _M_get_storage().append(__n, __c);}
1.148 + template <class _InputIter>
1.149 + _BString& append(_InputIter __first, _InputIter __last)
1.150 + {return _M_get_storage().append(__first, __last);}
1.151 +
1.152 + //assign
1.153 + _BString& assign(const _BString& __s) {return _M_get_storage().assign(__s);}
1.154 + _BString& assign(const _BString& __s, size_type __pos, size_type __n) {return _M_get_storage().assign(__s, __pos, __n);}
1.155 + _BString& assign(const _CharT* __s, size_type __n) {return _M_get_storage().assign(__s, __n);}
1.156 + _BString& assign(const _CharT* __s) {return _M_get_storage().assign(__s); }
1.157 + _BString& assign(size_type __n, _CharT __c) {return _M_get_storage().assign(__n, __c);}
1.158 +
1.159 + //insert
1.160 + _BString& insert(size_type __pos, const _BString& __s) {return _M_get_storage().insert(__pos, __s);}
1.161 + _BString& insert(size_type __pos, const _BString& __s, size_type __beg, size_type __n)
1.162 + {return _M_get_storage().insert(__pos, __s, __beg, __n);}
1.163 + _BString& insert(size_type __pos, const _CharT* __s, size_type __n) {return _M_get_storage().insert(__pos, __s, __n);}
1.164 + _BString& insert(size_type __pos, const _CharT* __s) {return _M_get_storage().insert(__pos, __s);}
1.165 + _BString& insert(size_type __pos, size_type __n, _CharT __c) {return _M_get_storage().insert(__pos, __n, __c);}
1.166 +
1.167 + //erase
1.168 + _BString& erase(size_type __pos = 0, size_type __n =_BString::npos) {return _M_get_storage().erase(__pos, __n);}
1.169 +
1.170 + //replace
1.171 + _BString& replace(size_type __pos, size_type __n, const _BString& __s)
1.172 + {return _M_get_storage().replace(__pos, __n, __s);}
1.173 + _BString& replace(size_type __pos1, size_type __n1, const _BString& __s, size_type __pos2, size_type __n2)
1.174 + {return _M_get_storage().replace(__pos1, __n1, __s, __pos2, __n2);}
1.175 + _BString& replace(size_type __pos, size_type __n1, const _CharT* __s, size_type __n2)
1.176 + {return _M_get_storage().replace(__pos, __n1, __s, __n2);}
1.177 + _BString& replace(size_type __pos, size_type __n1, const _CharT* __s)
1.178 + {return _M_get_storage().replace(__pos, __n1, __s);}
1.179 + _BString& replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c)
1.180 + {return _M_get_storage().replace(__pos, __n1, __n2, __c);}
1.181 +
1.182 + size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const
1.183 + {return _M_get_storage().copy(__s, __n, __pos);}
1.184 +
1.185 + void swap(_BString& __s)
1.186 + {_M_get_storage().swap(__s);}
1.187 +
1.188 + const _CharT* c_str() const { return _M_get_storage().c_str(); }
1.189 + const _CharT* data() const { return _M_get_storage().data(); }
1.190 +
1.191 + //find family
1.192 + size_type find(const _BString& __s, size_type __pos = 0) const { return _M_get_storage().find(__s, __pos); }
1.193 + size_type find(const _CharT* __s, size_type __pos = 0) const { return _M_get_storage().find(__s, __pos); }
1.194 + size_type find(const _CharT* __s, size_type __pos, size_type __n) const { return _M_get_storage().find(__s, __pos, __n); }
1.195 + size_type find(_CharT __c, size_type __pos = 0) const { return _M_get_storage().find(__c, __pos); }
1.196 +
1.197 + size_type rfind(const _BString& __s, size_type __pos = _BString::npos) const { return _M_get_storage().rfind(__s, __pos); }
1.198 + size_type rfind(const _CharT* __s, size_type __pos = _BString::npos) const { return _M_get_storage().rfind(__s, __pos); }
1.199 + size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const { return _M_get_storage().rfind(__s, __pos, __n); }
1.200 + size_type rfind(_CharT __c, size_type __pos = _BString::npos) const { return _M_get_storage().rfind(__c, __pos); }
1.201 +
1.202 + size_type find_first_of(const _BString& __s, size_type __pos = 0) const
1.203 + { return _M_get_storage().find_first_of(__s, __pos); }
1.204 + size_type find_first_of(const _CharT* __s, size_type __pos = 0) const
1.205 + { return _M_get_storage().find_first_of(__s, __pos); }
1.206 + size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
1.207 + { return _M_get_storage().find_first_of(__s, __pos, __n); }
1.208 + size_type find_first_of(_CharT __c, size_type __pos = 0) const
1.209 + { return _M_get_storage().find(__c, __pos); }
1.210 +
1.211 + size_type find_last_of(const _BString& __s, size_type __pos = _BString::npos) const
1.212 + { return _M_get_storage().find_last_of(__s, __pos); }
1.213 + size_type find_last_of(const _CharT* __s, size_type __pos = _BString::npos) const
1.214 + { return _M_get_storage().find_last_of(__s, __pos); }
1.215 + size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
1.216 + { return _M_get_storage().find_last_of(__s, __pos, __n); }
1.217 + size_type find_last_of(_CharT __c, size_type __pos = _BString::npos) const
1.218 + { return _M_get_storage().rfind(__c, __pos); }
1.219 +
1.220 + size_type find_first_not_of(const _BString& __s, size_type __pos = 0) const
1.221 + { return _M_get_storage().find_first_not_of(__s, __pos); }
1.222 + size_type find_first_not_of(const _CharT* __s, size_type __pos = 0) const
1.223 + { return _M_get_storage().find_first_not_of(__s, __pos); }
1.224 + size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
1.225 + { return _M_get_storage().find_first_not_of(__s, __pos, __n); }
1.226 + size_type find_first_not_of(_CharT __c, size_type __pos = 0) const
1.227 + { return _M_get_storage().find_first_not_of(__c, __pos); }
1.228 +
1.229 + size_type find_last_not_of(const _BString& __s, size_type __pos = _BString::npos) const
1.230 + { return _M_get_storage().find_last_not_of(__s, __pos); }
1.231 + size_type find_last_not_of(const _CharT* __s, size_type __pos =_BString:: npos) const
1.232 + { return _M_get_storage().find_last_not_of(__s, __pos); }
1.233 + size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
1.234 + { return _M_get_storage().find_last_not_of(__s, __pos, __n); }
1.235 + size_type find_last_not_of(_CharT __c, size_type __pos = _BString::npos) const
1.236 + { return _M_get_storage().find_last_not_of(__c, __pos); }
1.237 +
1.238 + _BString substr(size_type __pos = 0, size_type __n = _BString::npos) const
1.239 + { return _M_get_storage().substr(__pos, __n); }
1.240 +
1.241 + //compare
1.242 + int compare(const _BString& __s) const
1.243 + { return _M_get_storage().compare(__s); }
1.244 + int compare(size_type __pos1, size_type __n1, const _Self& __s) const
1.245 + { return _M_get_storage().compare(__pos1, __n1, __s); }
1.246 + int compare(size_type __pos1, size_type __n1, const _Self& __s, size_type __pos2, size_type __n2) const
1.247 + { return _M_get_storage().compare(__pos1, __n1, __s, __pos2, __n2); }
1.248 + int compare(const _CharT* __s) const
1.249 + { return _M_get_storage().compare(__s); }
1.250 + int compare(size_type __pos1, size_type __n1, const _CharT* __s) const
1.251 + { return _M_get_storage().compare(__pos1, __n1, __s); }
1.252 + int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const
1.253 + { return _M_get_storage().compare(__pos1, __n1, __s, __n2); }
1.254 +
1.255 + //Returns the underlying basic_string representation of the template expression
1.256 + //The non const method will always initialise it.
1.257 + _BString& _M_get_storage()
1.258 + { return _rhs._M_get_storage(*this, _StorageDirection()); }
1.259 +
1.260 + template <class _Lhs, class _Rhs, class _StorageDir>
1.261 + _BString& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Lhs, _Rhs, _StorageDir> const& __ref,
1.262 + __on_left const& /*StorageDir*/)
1.263 + { return _lhs._M_get_storage(__ref); }
1.264 +
1.265 + template <class _Lhs, class _Rhs, class _StorageDir>
1.266 + _BString& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Lhs, _Rhs, _StorageDir> const& __ref,
1.267 + __on_right const& /*StorageDir*/)
1.268 + { return _rhs._M_get_storage(__ref); }
1.269 +
1.270 + template <class _Lhs, class _Rhs, class _StorageDir>
1.271 + _BString& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Lhs, _Rhs, _StorageDir> const& __ref)
1.272 + { return _M_get_storage(__ref, _StorageDirection()); }
1.273 +
1.274 + //The const method can be invoked without initialising the basic_string so avoiding dynamic allocation.
1.275 + _BString const& _M_get_storage(bool __do_init = true) const
1.276 + { return _M_get_storage(*this, __do_init, _StorageDirection()); }
1.277 +
1.278 + template <class _Lhs, class _Rhs, class _StorageDir>
1.279 + _BString const& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Lhs, _Rhs, _StorageDir> const& __ref,
1.280 + bool __do_init, __on_left const& /*StorageDir*/) const
1.281 + { return _lhs._M_get_storage(__ref, __do_init); }
1.282 +
1.283 + template <class _Lhs, class _Rhs, class _StorageDir>
1.284 + _BString const& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Lhs, _Rhs, _StorageDir> const& __ref,
1.285 + bool __do_init, __on_right const& /*StorageDir*/) const
1.286 + { return _rhs._M_get_storage(__ref, __do_init); }
1.287 +
1.288 + template <class _Lhs, class _Rhs, class _StorageDir>
1.289 + _BString const& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Lhs, _Rhs, _StorageDir> const& __ref,
1.290 + bool __do_init) const
1.291 + { return _M_get_storage(__ref, __do_init, _StorageDirection()); }
1.292 +
1.293 +private:
1.294 + _Left _lhs;
1.295 + _Right _rhs;
1.296 +};
1.297 +
1.298 +/*
1.299 + * For this operator we choose to use the right part as the storage part
1.300 + */
1.301 +template <class _CharT, class _Traits, class _Alloc,
1.302 + class _Lh1, class _Rh1, class _StoreDir1,
1.303 + class _Lh2, class _Rh2, class _StoreDir2>
1.304 +inline __bstr_sum<_CharT, _Traits, _Alloc,
1.305 + __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1>,
1.306 + __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2>,
1.307 + __on_right> _STLP_CALL
1.308 +operator + (const __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1> &__lhs,
1.309 + const __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2> &__rhs) {
1.310 + return __bstr_sum<_CharT, _Traits, _Alloc,
1.311 + __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1>,
1.312 + __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2>,
1.313 + __on_right>(__lhs, __rhs);
1.314 +}
1.315 +
1.316 +template <class _CharT, class _Traits, class _Alloc,
1.317 + class _Lh1, class _Rh1, class _StoreDir1,
1.318 + class _Lh2, class _Rh2, class _StoreDir2>
1.319 +inline bool _STLP_CALL
1.320 +operator == (const __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1> &__lhs,
1.321 + const __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2> &__rhs)
1.322 +{ return (__lhs.size() == __rhs.size()) && (__lhs._M_get_storage() == __rhs._M_get_storage()); }
1.323 +
1.324 +template <class _CharT, class _Traits, class _Alloc,
1.325 + class _Lh1, class _Rh1, class _StoreDir1,
1.326 + class _Lh2, class _Rh2, class _StoreDir2>
1.327 +inline bool _STLP_CALL
1.328 +operator < (const __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1> &__lhs,
1.329 + const __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2> &__rhs)
1.330 +{ return __lhs._M_get_storage() < __rhs._M_get_storage(); }
1.331 +
1.332 +#ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
1.333 +
1.334 +template <class _CharT, class _Traits, class _Alloc,
1.335 + class _Lh1, class _Rh1, class _StoreDir1,
1.336 + class _Lh2, class _Rh2, class _StoreDir2>
1.337 +inline bool _STLP_CALL
1.338 +operator != (const __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1> &__lhs,
1.339 + const __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2> &__rhs)
1.340 +{ return !(__lhs == __rhs); }
1.341 +
1.342 +template <class _CharT, class _Traits, class _Alloc,
1.343 + class _Lh1, class _Rh1, class _StoreDir1,
1.344 + class _Lh2, class _Rh2, class _StoreDir2>
1.345 +inline bool _STLP_CALL
1.346 +operator > (const __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1> &__lhs,
1.347 + const __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2> &__rhs)
1.348 +{ return __rhs < __lhs; }
1.349 +
1.350 +template <class _CharT, class _Traits, class _Alloc,
1.351 + class _Lh1, class _Rh1, class _StoreDir1,
1.352 + class _Lh2, class _Rh2, class _StoreDir2>
1.353 +inline bool _STLP_CALL
1.354 +operator <= (const __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1> &__lhs,
1.355 + const __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2> &__rhs)
1.356 +{ return !(__rhs < __lhs); }
1.357 +
1.358 +template <class _CharT, class _Traits, class _Alloc,
1.359 + class _Lh1, class _Rh1, class _StoreDir1,
1.360 + class _Lh2, class _Rh2, class _StoreDir2>
1.361 +inline bool _STLP_CALL
1.362 +operator >= (const __bstr_sum<_CharT, _Traits, _Alloc, _Lh1, _Rh1, _StoreDir1> &__lhs,
1.363 + const __bstr_sum<_CharT, _Traits, _Alloc, _Lh2, _Rh2, _StoreDir2> &__rhs)
1.364 +{ return !(__lhs < __rhs); }
1.365 +
1.366 +#endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
1.367 +
1.368 +
1.369 +/*
1.370 + * This class will be used to simulate a temporary string that is required for
1.371 + * a call to the c_str method on the __bstr_sum class.
1.372 + */
1.373 +
1.374 +template <class _CharT, class _Traits, class _Alloc>
1.375 +struct __sum_storage_elem {
1.376 + typedef basic_string<_CharT, _Traits, _Alloc> _BString;
1.377 +
1.378 + __sum_storage_elem(_Alloc __alloc) : _M_init(false), _M_storage(__alloc)
1.379 + {}
1.380 +
1.381 + template <class _Left, class _Right, class _StorageDir>
1.382 + void _M_Init(__bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __ref) const {
1.383 + if (!_M_init) {
1.384 + _M_storage = __ref;
1.385 + _M_init = true;
1.386 + }
1.387 + }
1.388 +
1.389 + template <class _Left, class _Right, class _StorageDir>
1.390 + _BString const& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __ref,
1.391 + bool __do_init) const {
1.392 + if (__do_init) {
1.393 + _M_Init(__ref);
1.394 + }
1.395 + return _M_storage;
1.396 + }
1.397 + template <class _Left, class _Right, class _StorageDir>
1.398 + _BString& _M_get_storage(__bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __ref) {
1.399 + _M_Init(__ref);
1.400 + return _M_storage;
1.401 + }
1.402 +
1.403 + size_t size() const { return 0; }
1.404 + _CharT const& operator[](size_t __n) const
1.405 + { return __STATIC_CAST(_CharT*, 0)[__n]; }
1.406 +
1.407 +private:
1.408 + mutable bool _M_init;
1.409 + mutable basic_string<_CharT, _Traits, _Alloc> _M_storage;
1.410 +};
1.411 +
1.412 +_STLP_MOVE_TO_STD_NAMESPACE
1.413 +
1.414 +_STLP_END_NAMESPACE
1.415 +
1.416 +#endif /*_STLP_STRING_SUM_H*/