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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/vstring.tcc')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/vstring.tcc | 696 |
1 files changed, 696 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/vstring.tcc b/gcc-4.4.3/libstdc++-v3/include/ext/vstring.tcc new file mode 100644 index 000000000..99193896b --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/vstring.tcc @@ -0,0 +1,696 @@ +// Versatile string -*- C++ -*- + +// Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// <http://www.gnu.org/licenses/>. + +/** @file ext/vstring.tcc + * This file is a GNU extension to the Standard C++ Library. + * This is an internal header file, included by other library headers. + * You should not attempt to use it directly. + */ + +#ifndef _VSTRING_TCC +#define _VSTRING_TCC 1 + +#pragma GCC system_header + +#include <cxxabi-forced.h> + +_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + const typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>::npos; + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + void + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + resize(size_type __n, _CharT __c) + { + const size_type __size = this->size(); + if (__size < __n) + this->append(__n - __size, __c); + else if (__n < __size) + this->_M_erase(__n, __size - __n); + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base>& + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + _M_append(const _CharT* __s, size_type __n) + { + const size_type __len = __n + this->size(); + + if (__len <= this->capacity() && !this->_M_is_shared()) + { + if (__n) + this->_S_copy(this->_M_data() + this->size(), __s, __n); + } + else + this->_M_mutate(this->size(), size_type(0), __s, __n); + + this->_M_set_length(__len); + return *this; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + template<typename _InputIterator> + __versa_string<_CharT, _Traits, _Alloc, _Base>& + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + _M_replace_dispatch(iterator __i1, iterator __i2, _InputIterator __k1, + _InputIterator __k2, std::__false_type) + { + const __versa_string __s(__k1, __k2); + const size_type __n1 = __i2 - __i1; + return _M_replace(__i1 - _M_ibegin(), __n1, __s._M_data(), + __s.size()); + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base>& + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2, + _CharT __c) + { + _M_check_length(__n1, __n2, "__versa_string::_M_replace_aux"); + + const size_type __old_size = this->size(); + const size_type __new_size = __old_size + __n2 - __n1; + + if (__new_size <= this->capacity() && !this->_M_is_shared()) + { + _CharT* __p = this->_M_data() + __pos1; + + const size_type __how_much = __old_size - __pos1 - __n1; + if (__how_much && __n1 != __n2) + this->_S_move(__p + __n2, __p + __n1, __how_much); + } + else + this->_M_mutate(__pos1, __n1, 0, __n2); + + if (__n2) + this->_S_assign(this->_M_data() + __pos1, __n2, __c); + + this->_M_set_length(__new_size); + return *this; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base>& + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + _M_replace(size_type __pos, size_type __len1, const _CharT* __s, + const size_type __len2) + { + _M_check_length(__len1, __len2, "__versa_string::_M_replace"); + + const size_type __old_size = this->size(); + const size_type __new_size = __old_size + __len2 - __len1; + + if (__new_size <= this->capacity() && !this->_M_is_shared()) + { + _CharT* __p = this->_M_data() + __pos; + + const size_type __how_much = __old_size - __pos - __len1; + if (_M_disjunct(__s)) + { + if (__how_much && __len1 != __len2) + this->_S_move(__p + __len2, __p + __len1, __how_much); + if (__len2) + this->_S_copy(__p, __s, __len2); + } + else + { + // Work in-place. + if (__len2 && __len2 <= __len1) + this->_S_move(__p, __s, __len2); + if (__how_much && __len1 != __len2) + this->_S_move(__p + __len2, __p + __len1, __how_much); + if (__len2 > __len1) + { + if (__s + __len2 <= __p + __len1) + this->_S_move(__p, __s, __len2); + else if (__s >= __p + __len1) + this->_S_copy(__p, __s + __len2 - __len1, __len2); + else + { + const size_type __nleft = (__p + __len1) - __s; + this->_S_move(__p, __s, __nleft); + this->_S_copy(__p + __nleft, __p + __len2, + __len2 - __nleft); + } + } + } + } + else + this->_M_mutate(__pos, __len1, __s, __len2); + + this->_M_set_length(__new_size); + return *this; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base> + operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, + const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) + { + __versa_string<_CharT, _Traits, _Alloc, _Base> __str; + __str.reserve(__lhs.size() + __rhs.size()); + __str.append(__lhs); + __str.append(__rhs); + return __str; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base> + operator+(const _CharT* __lhs, + const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) + { + __glibcxx_requires_string(__lhs); + typedef __versa_string<_CharT, _Traits, _Alloc, _Base> __string_type; + typedef typename __string_type::size_type __size_type; + const __size_type __len = _Traits::length(__lhs); + __string_type __str; + __str.reserve(__len + __rhs.size()); + __str.append(__lhs, __len); + __str.append(__rhs); + return __str; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base> + operator+(_CharT __lhs, + const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) + { + __versa_string<_CharT, _Traits, _Alloc, _Base> __str; + __str.reserve(__rhs.size() + 1); + __str.push_back(__lhs); + __str.append(__rhs); + return __str; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base> + operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, + const _CharT* __rhs) + { + __glibcxx_requires_string(__rhs); + typedef __versa_string<_CharT, _Traits, _Alloc, _Base> __string_type; + typedef typename __string_type::size_type __size_type; + const __size_type __len = _Traits::length(__rhs); + __string_type __str; + __str.reserve(__lhs.size() + __len); + __str.append(__lhs); + __str.append(__rhs, __len); + return __str; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + __versa_string<_CharT, _Traits, _Alloc, _Base> + operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, + _CharT __rhs) + { + __versa_string<_CharT, _Traits, _Alloc, _Base> __str; + __str.reserve(__lhs.size() + 1); + __str.append(__lhs); + __str.push_back(__rhs); + return __str; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + copy(_CharT* __s, size_type __n, size_type __pos) const + { + _M_check(__pos, "__versa_string::copy"); + __n = _M_limit(__pos, __n); + __glibcxx_requires_string_len(__s, __n); + if (__n) + this->_S_copy(__s, this->_M_data() + __pos, __n); + // 21.3.5.7 par 3: do not append null. (good.) + return __n; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find(const _CharT* __s, size_type __pos, size_type __n) const + { + __glibcxx_requires_string_len(__s, __n); + const size_type __size = this->size(); + const _CharT* __data = this->_M_data(); + + if (__n == 0) + return __pos <= __size ? __pos : npos; + + if (__n <= __size) + { + for (; __pos <= __size - __n; ++__pos) + if (traits_type::eq(__data[__pos], __s[0]) + && traits_type::compare(__data + __pos + 1, + __s + 1, __n - 1) == 0) + return __pos; + } + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find(_CharT __c, size_type __pos) const + { + size_type __ret = npos; + const size_type __size = this->size(); + if (__pos < __size) + { + const _CharT* __data = this->_M_data(); + const size_type __n = __size - __pos; + const _CharT* __p = traits_type::find(__data + __pos, __n, __c); + if (__p) + __ret = __p - __data; + } + return __ret; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + rfind(const _CharT* __s, size_type __pos, size_type __n) const + { + __glibcxx_requires_string_len(__s, __n); + const size_type __size = this->size(); + if (__n <= __size) + { + __pos = std::min(size_type(__size - __n), __pos); + const _CharT* __data = this->_M_data(); + do + { + if (traits_type::compare(__data + __pos, __s, __n) == 0) + return __pos; + } + while (__pos-- > 0); + } + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + rfind(_CharT __c, size_type __pos) const + { + size_type __size = this->size(); + if (__size) + { + if (--__size > __pos) + __size = __pos; + for (++__size; __size-- > 0; ) + if (traits_type::eq(this->_M_data()[__size], __c)) + return __size; + } + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find_first_of(const _CharT* __s, size_type __pos, size_type __n) const + { + __glibcxx_requires_string_len(__s, __n); + for (; __n && __pos < this->size(); ++__pos) + { + const _CharT* __p = traits_type::find(__s, __n, + this->_M_data()[__pos]); + if (__p) + return __pos; + } + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find_last_of(const _CharT* __s, size_type __pos, size_type __n) const + { + __glibcxx_requires_string_len(__s, __n); + size_type __size = this->size(); + if (__size && __n) + { + if (--__size > __pos) + __size = __pos; + do + { + if (traits_type::find(__s, __n, this->_M_data()[__size])) + return __size; + } + while (__size-- != 0); + } + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const + { + __glibcxx_requires_string_len(__s, __n); + for (; __pos < this->size(); ++__pos) + if (!traits_type::find(__s, __n, this->_M_data()[__pos])) + return __pos; + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find_first_not_of(_CharT __c, size_type __pos) const + { + for (; __pos < this->size(); ++__pos) + if (!traits_type::eq(this->_M_data()[__pos], __c)) + return __pos; + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const + { + __glibcxx_requires_string_len(__s, __n); + size_type __size = this->size(); + if (__size) + { + if (--__size > __pos) + __size = __pos; + do + { + if (!traits_type::find(__s, __n, this->_M_data()[__size])) + return __size; + } + while (__size--); + } + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + find_last_not_of(_CharT __c, size_type __pos) const + { + size_type __size = this->size(); + if (__size) + { + if (--__size > __pos) + __size = __pos; + do + { + if (!traits_type::eq(this->_M_data()[__size], __c)) + return __size; + } + while (__size--); + } + return npos; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + int + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + compare(size_type __pos, size_type __n, const __versa_string& __str) const + { + _M_check(__pos, "__versa_string::compare"); + __n = _M_limit(__pos, __n); + const size_type __osize = __str.size(); + const size_type __len = std::min(__n, __osize); + int __r = traits_type::compare(this->_M_data() + __pos, + __str.data(), __len); + if (!__r) + __r = _S_compare(__n, __osize); + return __r; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + int + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + compare(size_type __pos1, size_type __n1, const __versa_string& __str, + size_type __pos2, size_type __n2) const + { + _M_check(__pos1, "__versa_string::compare"); + __str._M_check(__pos2, "__versa_string::compare"); + __n1 = _M_limit(__pos1, __n1); + __n2 = __str._M_limit(__pos2, __n2); + const size_type __len = std::min(__n1, __n2); + int __r = traits_type::compare(this->_M_data() + __pos1, + __str.data() + __pos2, __len); + if (!__r) + __r = _S_compare(__n1, __n2); + return __r; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + int + __versa_string<_CharT, _Traits, _Alloc, _Base>:: + compare(const _CharT* __s) const + { + __glibcxx_requires_string(__s); + const size_type __size = this->size(); + const size_type __osize = traits_type::length(__s); + const size_type __len = std::min(__size, __osize); + int __r = traits_type::compare(this->_M_data(), __s, __len); + if (!__r) + __r = _S_compare(__size, __osize); + return __r; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + int + __versa_string <_CharT, _Traits, _Alloc, _Base>:: + compare(size_type __pos, size_type __n1, const _CharT* __s) const + { + __glibcxx_requires_string(__s); + _M_check(__pos, "__versa_string::compare"); + __n1 = _M_limit(__pos, __n1); + const size_type __osize = traits_type::length(__s); + const size_type __len = std::min(__n1, __osize); + int __r = traits_type::compare(this->_M_data() + __pos, __s, __len); + if (!__r) + __r = _S_compare(__n1, __osize); + return __r; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + int + __versa_string <_CharT, _Traits, _Alloc, _Base>:: + compare(size_type __pos, size_type __n1, const _CharT* __s, + size_type __n2) const + { + __glibcxx_requires_string_len(__s, __n2); + _M_check(__pos, "__versa_string::compare"); + __n1 = _M_limit(__pos, __n1); + const size_type __len = std::min(__n1, __n2); + int __r = traits_type::compare(this->_M_data() + __pos, __s, __len); + if (!__r) + __r = _S_compare(__n1, __n2); + return __r; + } + +_GLIBCXX_END_NAMESPACE + +_GLIBCXX_BEGIN_NAMESPACE(std) + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __in, + __gnu_cxx::__versa_string<_CharT, _Traits, + _Alloc, _Base>& __str) + { + typedef basic_istream<_CharT, _Traits> __istream_type; + typedef typename __istream_type::ios_base __ios_base; + typedef __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base> + __string_type; + typedef typename __istream_type::int_type __int_type; + typedef typename __string_type::size_type __size_type; + typedef ctype<_CharT> __ctype_type; + typedef typename __ctype_type::ctype_base __ctype_base; + + __size_type __extracted = 0; + typename __ios_base::iostate __err = __ios_base::goodbit; + typename __istream_type::sentry __cerb(__in, false); + if (__cerb) + { + __try + { + // Avoid reallocation for common case. + __str.erase(); + _CharT __buf[128]; + __size_type __len = 0; + const streamsize __w = __in.width(); + const __size_type __n = __w > 0 ? static_cast<__size_type>(__w) + : __str.max_size(); + const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc()); + const __int_type __eof = _Traits::eof(); + __int_type __c = __in.rdbuf()->sgetc(); + + while (__extracted < __n + && !_Traits::eq_int_type(__c, __eof) + && !__ct.is(__ctype_base::space, + _Traits::to_char_type(__c))) + { + if (__len == sizeof(__buf) / sizeof(_CharT)) + { + __str.append(__buf, sizeof(__buf) / sizeof(_CharT)); + __len = 0; + } + __buf[__len++] = _Traits::to_char_type(__c); + ++__extracted; + __c = __in.rdbuf()->snextc(); + } + __str.append(__buf, __len); + + if (_Traits::eq_int_type(__c, __eof)) + __err |= __ios_base::eofbit; + __in.width(0); + } + __catch(__cxxabiv1::__forced_unwind&) + { + __in._M_setstate(__ios_base::badbit); + __throw_exception_again; + } + __catch(...) + { + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 91. Description of operator>> and getline() for string<> + // might cause endless loop + __in._M_setstate(__ios_base::badbit); + } + } + // 211. operator>>(istream&, string&) doesn't set failbit + if (!__extracted) + __err |= __ios_base::failbit; + if (__err) + __in.setstate(__err); + return __in; + } + + template<typename _CharT, typename _Traits, typename _Alloc, + template <typename, typename, typename> class _Base> + basic_istream<_CharT, _Traits>& + getline(basic_istream<_CharT, _Traits>& __in, + __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str, + _CharT __delim) + { + typedef basic_istream<_CharT, _Traits> __istream_type; + typedef typename __istream_type::ios_base __ios_base; + typedef __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base> + __string_type; + typedef typename __istream_type::int_type __int_type; + typedef typename __string_type::size_type __size_type; + + __size_type __extracted = 0; + const __size_type __n = __str.max_size(); + typename __ios_base::iostate __err = __ios_base::goodbit; + typename __istream_type::sentry __cerb(__in, true); + if (__cerb) + { + __try + { + // Avoid reallocation for common case. + __str.erase(); + _CharT __buf[128]; + __size_type __len = 0; + const __int_type __idelim = _Traits::to_int_type(__delim); + const __int_type __eof = _Traits::eof(); + __int_type __c = __in.rdbuf()->sgetc(); + + while (__extracted < __n + && !_Traits::eq_int_type(__c, __eof) + && !_Traits::eq_int_type(__c, __idelim)) + { + if (__len == sizeof(__buf) / sizeof(_CharT)) + { + __str.append(__buf, sizeof(__buf) / sizeof(_CharT)); + __len = 0; + } + __buf[__len++] = _Traits::to_char_type(__c); + ++__extracted; + __c = __in.rdbuf()->snextc(); + } + __str.append(__buf, __len); + + if (_Traits::eq_int_type(__c, __eof)) + __err |= __ios_base::eofbit; + else if (_Traits::eq_int_type(__c, __idelim)) + { + ++__extracted; + __in.rdbuf()->sbumpc(); + } + else + __err |= __ios_base::failbit; + } + __catch(__cxxabiv1::__forced_unwind&) + { + __in._M_setstate(__ios_base::badbit); + __throw_exception_again; + } + __catch(...) + { + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 91. Description of operator>> and getline() for string<> + // might cause endless loop + __in._M_setstate(__ios_base::badbit); + } + } + if (!__extracted) + __err |= __ios_base::failbit; + if (__err) + __in.setstate(__err); + return __in; + } + +_GLIBCXX_END_NAMESPACE + +#endif // _VSTRING_TCC |