diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/src/istream.cc')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/src/istream.cc | 687 |
1 files changed, 0 insertions, 687 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/src/istream.cc b/gcc-4.4.3/libstdc++-v3/src/istream.cc deleted file mode 100644 index 6b06df259..000000000 --- a/gcc-4.4.3/libstdc++-v3/src/istream.cc +++ /dev/null @@ -1,687 +0,0 @@ -// Input streams -*- C++ -*- - -// Copyright (C) 2004, 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/>. - -// -// ISO C++ 14882: 27.6.1 Input streams -// - -#include <istream> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - template<> - basic_istream<char>& - basic_istream<char>:: - getline(char_type* __s, streamsize __n, char_type __delim) - { - _M_gcount = 0; - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - sentry __cerb(*this, true); - if (__cerb) - { - __try - { - const int_type __idelim = traits_type::to_int_type(__delim); - const int_type __eof = traits_type::eof(); - __streambuf_type* __sb = this->rdbuf(); - int_type __c = __sb->sgetc(); - - while (_M_gcount + 1 < __n - && !traits_type::eq_int_type(__c, __eof) - && !traits_type::eq_int_type(__c, __idelim)) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__n - _M_gcount - - 1)); - if (__size > 1) - { - const char_type* __p = traits_type::find(__sb->gptr(), - __size, - __delim); - if (__p) - __size = __p - __sb->gptr(); - traits_type::copy(__s, __sb->gptr(), __size); - __s += __size; - __sb->gbump(__size); - _M_gcount += __size; - __c = __sb->sgetc(); - } - else - { - *__s++ = traits_type::to_char_type(__c); - ++_M_gcount; - __c = __sb->snextc(); - } - } - - if (traits_type::eq_int_type(__c, __eof)) - __err |= ios_base::eofbit; - else if (traits_type::eq_int_type(__c, __idelim)) - { - ++_M_gcount; - __sb->sbumpc(); - } - else - __err |= ios_base::failbit; - } - __catch(__cxxabiv1::__forced_unwind&) - { - this->_M_setstate(ios_base::badbit); - __throw_exception_again; - } - __catch(...) - { this->_M_setstate(ios_base::badbit); } - } - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 243. get and getline when sentry reports failure. - if (__n > 0) - *__s = char_type(); - if (!_M_gcount) - __err |= ios_base::failbit; - if (__err) - this->setstate(__err); - return *this; - } - - template<> - basic_istream<char>& - basic_istream<char>:: - ignore(streamsize __n, int_type __delim) - { - if (traits_type::eq_int_type(__delim, traits_type::eof())) - return ignore(__n); - - _M_gcount = 0; - sentry __cerb(*this, true); - if (__cerb && __n > 0) - { - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - __try - { - const char_type __cdelim = traits_type::to_char_type(__delim); - const int_type __eof = traits_type::eof(); - __streambuf_type* __sb = this->rdbuf(); - int_type __c = __sb->sgetc(); - - bool __large_ignore = false; - while (true) - { - while (_M_gcount < __n - && !traits_type::eq_int_type(__c, __eof) - && !traits_type::eq_int_type(__c, __delim)) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__n - _M_gcount)); - if (__size > 1) - { - const char_type* __p = traits_type::find(__sb->gptr(), - __size, - __cdelim); - if (__p) - __size = __p - __sb->gptr(); - __sb->gbump(__size); - _M_gcount += __size; - __c = __sb->sgetc(); - } - else - { - ++_M_gcount; - __c = __sb->snextc(); - } - } - if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max - && !traits_type::eq_int_type(__c, __eof) - && !traits_type::eq_int_type(__c, __delim)) - { - _M_gcount = - __gnu_cxx::__numeric_traits<streamsize>::__min; - __large_ignore = true; - } - else - break; - } - - if (__large_ignore) - _M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max; - - if (traits_type::eq_int_type(__c, __eof)) - __err |= ios_base::eofbit; - else if (traits_type::eq_int_type(__c, __delim)) - { - if (_M_gcount - < __gnu_cxx::__numeric_traits<streamsize>::__max) - ++_M_gcount; - __sb->sbumpc(); - } - } - __catch(__cxxabiv1::__forced_unwind&) - { - this->_M_setstate(ios_base::badbit); - __throw_exception_again; - } - __catch(...) - { this->_M_setstate(ios_base::badbit); } - if (__err) - this->setstate(__err); - } - return *this; - } - - template<> - basic_istream<char>& - operator>>(basic_istream<char>& __in, char* __s) - { - typedef basic_istream<char> __istream_type; - typedef __istream_type::int_type __int_type; - typedef __istream_type::char_type __char_type; - typedef __istream_type::traits_type __traits_type; - typedef __istream_type::__streambuf_type __streambuf_type; - typedef __istream_type::__ctype_type __ctype_type; - - streamsize __extracted = 0; - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - __istream_type::sentry __cerb(__in, false); - if (__cerb) - { - __try - { - // Figure out how many characters to extract. - streamsize __num = __in.width(); - if (__num <= 0) - __num = __gnu_cxx::__numeric_traits<streamsize>::__max; - - const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc()); - - const __int_type __eof = __traits_type::eof(); - __streambuf_type* __sb = __in.rdbuf(); - __int_type __c = __sb->sgetc(); - - while (__extracted < __num - 1 - && !__traits_type::eq_int_type(__c, __eof) - && !__ct.is(ctype_base::space, - __traits_type::to_char_type(__c))) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__num - __extracted - - 1)); - if (__size > 1) - { - __size = (__ct.scan_is(ctype_base::space, - __sb->gptr() + 1, - __sb->gptr() + __size) - - __sb->gptr()); - __traits_type::copy(__s, __sb->gptr(), __size); - __s += __size; - __sb->gbump(__size); - __extracted += __size; - __c = __sb->sgetc(); - } - else - { - *__s++ = __traits_type::to_char_type(__c); - ++__extracted; - __c = __sb->snextc(); - } - } - - if (__traits_type::eq_int_type(__c, __eof)) - __err |= ios_base::eofbit; - - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 68. Extractors for char* should store null at end - *__s = __char_type(); - __in.width(0); - } - __catch(__cxxabiv1::__forced_unwind&) - { - __in._M_setstate(ios_base::badbit); - __throw_exception_again; - } - __catch(...) - { __in._M_setstate(ios_base::badbit); } - } - if (!__extracted) - __err |= ios_base::failbit; - if (__err) - __in.setstate(__err); - return __in; - } - - template<> - basic_istream<char>& - operator>>(basic_istream<char>& __in, basic_string<char>& __str) - { - typedef basic_istream<char> __istream_type; - typedef __istream_type::int_type __int_type; - typedef __istream_type::char_type __char_type; - typedef __istream_type::traits_type __traits_type; - typedef __istream_type::__streambuf_type __streambuf_type; - typedef __istream_type::__ctype_type __ctype_type; - typedef basic_string<char> __string_type; - typedef __string_type::size_type __size_type; - - __size_type __extracted = 0; - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - __istream_type::sentry __cerb(__in, false); - if (__cerb) - { - __try - { - __str.erase(); - 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_type::eof(); - __streambuf_type* __sb = __in.rdbuf(); - __int_type __c = __sb->sgetc(); - - while (__extracted < __n - && !__traits_type::eq_int_type(__c, __eof) - && !__ct.is(ctype_base::space, - __traits_type::to_char_type(__c))) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__n - __extracted)); - if (__size > 1) - { - __size = (__ct.scan_is(ctype_base::space, - __sb->gptr() + 1, - __sb->gptr() + __size) - - __sb->gptr()); - __str.append(__sb->gptr(), __size); - __sb->gbump(__size); - __extracted += __size; - __c = __sb->sgetc(); - } - else - { - __str += __traits_type::to_char_type(__c); - ++__extracted; - __c = __sb->snextc(); - } - } - - if (__traits_type::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); - } - } - if (!__extracted) - __err |= ios_base::failbit; - if (__err) - __in.setstate(__err); - return __in; - } - - template<> - basic_istream<char>& - getline(basic_istream<char>& __in, basic_string<char>& __str, - char __delim) - { - typedef basic_istream<char> __istream_type; - typedef __istream_type::int_type __int_type; - typedef __istream_type::char_type __char_type; - typedef __istream_type::traits_type __traits_type; - typedef __istream_type::__streambuf_type __streambuf_type; - typedef __istream_type::__ctype_type __ctype_type; - typedef basic_string<char> __string_type; - typedef __string_type::size_type __size_type; - - __size_type __extracted = 0; - const __size_type __n = __str.max_size(); - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - __istream_type::sentry __cerb(__in, true); - if (__cerb) - { - __try - { - __str.erase(); - const __int_type __idelim = __traits_type::to_int_type(__delim); - const __int_type __eof = __traits_type::eof(); - __streambuf_type* __sb = __in.rdbuf(); - __int_type __c = __sb->sgetc(); - - while (__extracted < __n - && !__traits_type::eq_int_type(__c, __eof) - && !__traits_type::eq_int_type(__c, __idelim)) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__n - __extracted)); - if (__size > 1) - { - const __char_type* __p = __traits_type::find(__sb->gptr(), - __size, - __delim); - if (__p) - __size = __p - __sb->gptr(); - __str.append(__sb->gptr(), __size); - __sb->gbump(__size); - __extracted += __size; - __c = __sb->sgetc(); - } - else - { - __str += __traits_type::to_char_type(__c); - ++__extracted; - __c = __sb->snextc(); - } - } - - if (__traits_type::eq_int_type(__c, __eof)) - __err |= ios_base::eofbit; - else if (__traits_type::eq_int_type(__c, __idelim)) - { - ++__extracted; - __sb->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; - } - -#ifdef _GLIBCXX_USE_WCHAR_T - template<> - basic_istream<wchar_t>& - basic_istream<wchar_t>:: - getline(char_type* __s, streamsize __n, char_type __delim) - { - _M_gcount = 0; - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - sentry __cerb(*this, true); - if (__cerb) - { - __try - { - const int_type __idelim = traits_type::to_int_type(__delim); - const int_type __eof = traits_type::eof(); - __streambuf_type* __sb = this->rdbuf(); - int_type __c = __sb->sgetc(); - - while (_M_gcount + 1 < __n - && !traits_type::eq_int_type(__c, __eof) - && !traits_type::eq_int_type(__c, __idelim)) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__n - _M_gcount - - 1)); - if (__size > 1) - { - const char_type* __p = traits_type::find(__sb->gptr(), - __size, - __delim); - if (__p) - __size = __p - __sb->gptr(); - traits_type::copy(__s, __sb->gptr(), __size); - __s += __size; - __sb->gbump(__size); - _M_gcount += __size; - __c = __sb->sgetc(); - } - else - { - *__s++ = traits_type::to_char_type(__c); - ++_M_gcount; - __c = __sb->snextc(); - } - } - - if (traits_type::eq_int_type(__c, __eof)) - __err |= ios_base::eofbit; - else if (traits_type::eq_int_type(__c, __idelim)) - { - ++_M_gcount; - __sb->sbumpc(); - } - else - __err |= ios_base::failbit; - } - __catch(__cxxabiv1::__forced_unwind&) - { - this->_M_setstate(ios_base::badbit); - __throw_exception_again; - } - __catch(...) - { this->_M_setstate(ios_base::badbit); } - } - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 243. get and getline when sentry reports failure. - if (__n > 0) - *__s = char_type(); - if (!_M_gcount) - __err |= ios_base::failbit; - if (__err) - this->setstate(__err); - return *this; - } - - template<> - basic_istream<wchar_t>& - basic_istream<wchar_t>:: - ignore(streamsize __n, int_type __delim) - { - if (traits_type::eq_int_type(__delim, traits_type::eof())) - return ignore(__n); - - _M_gcount = 0; - sentry __cerb(*this, true); - if (__cerb && __n > 0) - { - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - __try - { - const char_type __cdelim = traits_type::to_char_type(__delim); - const int_type __eof = traits_type::eof(); - __streambuf_type* __sb = this->rdbuf(); - int_type __c = __sb->sgetc(); - - bool __large_ignore = false; - while (true) - { - while (_M_gcount < __n - && !traits_type::eq_int_type(__c, __eof) - && !traits_type::eq_int_type(__c, __delim)) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__n - _M_gcount)); - if (__size > 1) - { - const char_type* __p = traits_type::find(__sb->gptr(), - __size, - __cdelim); - if (__p) - __size = __p - __sb->gptr(); - __sb->gbump(__size); - _M_gcount += __size; - __c = __sb->sgetc(); - } - else - { - ++_M_gcount; - __c = __sb->snextc(); - } - } - if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max - && !traits_type::eq_int_type(__c, __eof) - && !traits_type::eq_int_type(__c, __delim)) - { - _M_gcount = - __gnu_cxx::__numeric_traits<streamsize>::__min; - __large_ignore = true; - } - else - break; - } - - if (__large_ignore) - _M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max; - - if (traits_type::eq_int_type(__c, __eof)) - __err |= ios_base::eofbit; - else if (traits_type::eq_int_type(__c, __delim)) - { - if (_M_gcount - < __gnu_cxx::__numeric_traits<streamsize>::__max) - ++_M_gcount; - __sb->sbumpc(); - } - } - __catch(__cxxabiv1::__forced_unwind&) - { - this->_M_setstate(ios_base::badbit); - __throw_exception_again; - } - __catch(...) - { this->_M_setstate(ios_base::badbit); } - if (__err) - this->setstate(__err); - } - return *this; - } - - template<> - basic_istream<wchar_t>& - getline(basic_istream<wchar_t>& __in, basic_string<wchar_t>& __str, - wchar_t __delim) - { - typedef basic_istream<wchar_t> __istream_type; - typedef __istream_type::int_type __int_type; - typedef __istream_type::char_type __char_type; - typedef __istream_type::traits_type __traits_type; - typedef __istream_type::__streambuf_type __streambuf_type; - typedef __istream_type::__ctype_type __ctype_type; - typedef basic_string<wchar_t> __string_type; - typedef __string_type::size_type __size_type; - - __size_type __extracted = 0; - const __size_type __n = __str.max_size(); - ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); - __istream_type::sentry __cerb(__in, true); - if (__cerb) - { - __try - { - __str.erase(); - const __int_type __idelim = __traits_type::to_int_type(__delim); - const __int_type __eof = __traits_type::eof(); - __streambuf_type* __sb = __in.rdbuf(); - __int_type __c = __sb->sgetc(); - - while (__extracted < __n - && !__traits_type::eq_int_type(__c, __eof) - && !__traits_type::eq_int_type(__c, __idelim)) - { - streamsize __size = std::min(streamsize(__sb->egptr() - - __sb->gptr()), - streamsize(__n - __extracted)); - if (__size > 1) - { - const __char_type* __p = __traits_type::find(__sb->gptr(), - __size, - __delim); - if (__p) - __size = __p - __sb->gptr(); - __str.append(__sb->gptr(), __size); - __sb->gbump(__size); - __extracted += __size; - __c = __sb->sgetc(); - } - else - { - __str += __traits_type::to_char_type(__c); - ++__extracted; - __c = __sb->snextc(); - } - } - - if (__traits_type::eq_int_type(__c, __eof)) - __err |= ios_base::eofbit; - else if (__traits_type::eq_int_type(__c, __idelim)) - { - ++__extracted; - __sb->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; - } -#endif - -_GLIBCXX_END_NAMESPACE |