--- /dev/null
+// 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
projects / msp430-gcc.git / blobdiff