19720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block/* 29720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * Copyright (c) 2003 39720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * Francois Dumont 49720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * 59720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * This material is provided "as is", with absolutely no warranty expressed 69720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * or implied. Any use is at your own risk. 79720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * 89720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * Permission to use or copy this software for any purpose is hereby granted 99720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * without fee, provided the above notices are retained on all copies. 109720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * Permission to modify the code and to distribute modified code is granted, 119720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * provided the above notices are retained, and a notice that the code was 129720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * modified is included with the above copyright notice. 139720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * 149720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block */ 159720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 169720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block/* 179720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * All the necessary methods used for template expressions with basic_string 189720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * This file do not have to be macro guarded as it is only used in the _string.h 199720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block * file and it is a part of the basic_string definition. 209720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block */ 219720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 229720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block template <class _Left, class _Right, class _StorageDir> 239720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block basic_string(_STLP_PRIV __bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __s) 249720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block : _M_non_dbg_impl(_Reserve_t(), __s.size(), __s.get_allocator()), 259720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _M_iter_list(&_M_non_dbg_impl) 269720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { _M_append_sum(__s, _M_non_dbg_impl); } 279720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 289720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block template <class _Left, class _Right, class _StorageDir> 299720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block basic_string(_STLP_PRIV __bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __s, 309720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type __pos, size_type __n = npos, 319720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block const allocator_type& __a = allocator_type()) 329720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block : _M_non_dbg_impl(_Reserve_t(), (__pos <= __s.size()) ? ((min) (__n, __s.size() - __pos)) : 0, __a), 339720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _M_iter_list(&_M_non_dbg_impl) { 349720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type __size = __s.size(); 359720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block if (__pos > __size) 369720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block //This call will generate the necessary out of range exception: 379720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _M_non_dbg_impl.at(0); 389720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block else 399720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _M_append_sum_pos(__s, __pos, (min) (__n, __size - __pos), _M_non_dbg_impl); 409720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 419720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 429720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Blockprivate: 439720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast(_STLP_PRIV __char_wrapper<_CharT> __c, _Base &__str) 449720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return __str += __c.getValue(); } 459720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast(_CharT const* __s, size_type __s_size, _Base &__str) 469720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return __str.append(__s, __s_size); } 479720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast(_STLP_PRIV __cstr_wrapper<_CharT> const& __s, _Base &__str) 489720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return _M_append_fast(__s.c_str(), __s.size(), __str); } 499720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast(_STLP_PRIV __bstr_wrapper<_CharT, _Traits, _Alloc> __s, _Base &__str) 509720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return _M_append_fast(__s.b_str(), __str); } 519720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast(_Self const& __s, _Base &__str) 529720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return _M_append_fast(__s.data(), __s.size(), __str); } 539720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast(_STLP_PRIV __sum_storage_elem<_CharT, _Traits, _Alloc> const&, _Base &__str) 549720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return __str; } 559720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block template <class _Left, class _Right, class _StorageDir> 569720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast(_STLP_PRIV __bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __s, _Base &__str) 579720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return _M_append_fast(__s.getRhs(), _M_append_fast(__s.getLhs(), __str)); } 589720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 599720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast_pos(_STLP_PRIV __char_wrapper<_CharT> __c, _Base &__str, size_type /*__pos*/, size_type __n) { 609720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block if (__n == 0) 619720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return __str; 629720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return __str += __c.getValue(); 639720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 649720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast_pos(_CharT const* __s, size_type __s_size, _Base &__str, 659720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type __pos, size_type __n) 669720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return __str.append(__s + __pos, __s + __pos + (min)(__n, __s_size - __pos)); } 679720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast_pos(_STLP_PRIV __cstr_wrapper<_CharT> const& __s, _Base &__str, 689720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type __pos, size_type __n) 699720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return _M_append_fast_pos(__s.c_str(), __s.size(), __str, __pos, __n); } 709720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast_pos(_STLP_PRIV __bstr_wrapper<_CharT, _Traits, _Alloc> __s, _Base &__str, 719720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type __pos, size_type __n) 729720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return _M_append_fast_pos(__s.b_str(), __str, __pos, __n); } 739720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast_pos(_Self const& __s, _Base &__str, size_type __pos, size_type __n) 749720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return _M_append_fast_pos(__s.data(), __s.size(), __str, __pos, __n); } 759720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast_pos(_STLP_PRIV __sum_storage_elem<_CharT, _Traits, _Alloc> const&, _Base &__str, 769720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type /*__pos*/, size_type /*__n*/) 779720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block { return __str; } 789720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 799720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block template <class _Left, class _Right, class _StorageDir> 809720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base& _M_append_fast_pos(_STLP_PRIV __bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __s, 819720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base &__str, size_type __pos, size_type __n) { 829720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block if (__n == 0) { 839720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return __str; 849720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 859720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type __lhs_size = __s.getLhs().size(); 869720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block if (__pos < __lhs_size) { 879720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block if (__n < (__lhs_size - __pos)) { 889720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return _M_append_fast_pos(__s.getLhs(), __str, __pos, __n); 899720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } else { 909720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return _M_append_fast_pos(__s.getRhs(), _M_append_fast_pos(__s.getLhs(), __str, __pos, __n), 919720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 0, __n - (__lhs_size - __pos)); 929720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 939720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } else { 949720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return _M_append_fast_pos(__s.getRhs(), __str, __pos - __lhs_size, __n); 959720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 969720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 979720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 989720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block template <class _Left, class _Right, class _StorageDir> 999720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Self& _M_append_sum (_STLP_PRIV __bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __s, 1009720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Base &__impl) { 1019720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _M_append_fast(__s, __impl); 1029720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return *this; 1039720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 1049720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block 1059720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block template <class _Left, class _Right, class _StorageDir> 1069720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _Self& _M_append_sum_pos (_STLP_PRIV __bstr_sum<_CharT, _Traits, _Alloc, _Left, _Right, _StorageDir> const& __s, 1079720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block size_type __pos, size_type __n, _Base &__impl) { 1089720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _M_non_dbg_impl.reserve(_M_non_dbg_impl.size() + (min) (__s.size() - __pos, __n)); 1099720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block _M_append_fast_pos(__s, __impl, __pos, __n); 1109720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block return *this; 1119720d5f59b9c1f5d1b9ecbc9173dbcb71bd557beSteve Block } 112