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ostreambuf_iterator.cc: New file.

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2001-04-30  Benjamin Kosnik  <bkoz@redhat.com>

	libstdc++/2627
	* testsuite/24_iterators/ostreambuf_iterator.cc: New file.
	* include/bits/sbuf_iter.h (ostreambuf_iterator): Remove bogus
	specializations.

From-SVN: r41694
This commit is contained in:
Benjamin Kosnik 2001-04-30 20:53:31 +00:00 committed by Benjamin Kosnik
parent 60de6385e1
commit b85381b911
3 changed files with 127 additions and 68 deletions
libstdc++-v3
ChangeLog
include/bits
sbuf_iter.h
testsuite/24_iterators
ostreambuf_iterator.cc

7
libstdc++-v3/ChangeLog

@ -1,3 +1,10 @@
2001-04-30 Benjamin Kosnik <bkoz@redhat.com>
libstdc++/2627
* testsuite/24_iterators/ostreambuf_iterator.cc: New file.
* include/bits/sbuf_iter.h (ostreambuf_iterator): Remove bogus
specializations.
2001-04-30 Benjamin Kosnik <bkoz@redhat.com>
libstdc++/2964

91
libstdc++-v3/include/bits/sbuf_iter.h

@ -36,29 +36,23 @@
namespace std
{
template<typename _CharT, typename _Traits>
class ostreambuf_iterator
#if 1 // XXX this is standard:
: public iterator<output_iterator_tag, _CharT, void, void, void>
#else
: public output_iterator
#endif
{
public:
// Types:
typedef _CharT char_type;
typedef _CharT char_type;
typedef _Traits traits_type;
typedef basic_streambuf<_CharT, _Traits> streambuf_type;
typedef basic_ostream<_CharT, _Traits> ostream_type;
inline
ostreambuf_iterator(ostream_type& __s) throw ()
: _M_sbuf(__s.rdbuf()), _M_failed(false) { }
: _M_sbuf(__s.rdbuf()), _M_failed(!_M_sbuf) { }
ostreambuf_iterator(streambuf_type* __s) throw ()
: _M_sbuf(__s), _M_failed(false) { }
: _M_sbuf(__s), _M_failed(!_M_sbuf) { }
ostreambuf_iterator&
operator=(_CharT __c);
@ -82,57 +76,19 @@ namespace std
private:
streambuf_type* _M_sbuf;
bool _M_failed;
#if 0
template<>
friend char const*
copy(char const* __first, char const* __last,
ostreambuf_iterator<char,char_traits<char> > __to);
template<>
friend wchar_t const*
copy(wchar_t const* __first, wchar_t const* __last,
ostreambuf_iterator<wchar_t,char_traits<wchar_t> > __to);
#endif
};
template<typename _CharT, typename _Traits>
inline ostreambuf_iterator<_CharT, _Traits>&
ostreambuf_iterator<_CharT, _Traits>::operator=(_CharT __c)
{
if (!_M_failed &&
if (!_M_failed &&
_Traits::eq_int_type(_M_sbuf->sputc(__c),_Traits::eof()))
_M_failed = true;
return *this;
}
#if 0
// Optimized specializations of standard algorithms
// These are specialized only for standard types
// (with no unbound arguments) to avoid creating
// overload problems with user specializations.
template<>
char const*
copy(char const* __first, char const* __last,
ostreambuf_iterator<char,char_traits<char> > __to)
{
if (!__to._M_failed)
__to._M_sbuf->sputn(__first, __last-__first);
return __last;
}
template<>
wchar_t const*
copy(wchar_t const* __first, wchar_t const* __last,
ostreambuf_iterator<whar_t,char_traits<wchar_t> > __to)
{
if (!__to._M_failed)
__to._M_sbuf->sputn(__first, __last-__first);
return __last;
}
#endif
// 24.5.3 Template class istreambuf_iterator
template<class _CharT, class _Traits>
class istreambuf_iterator
@ -151,13 +107,13 @@ namespace std
typedef istreambuf_iterator<_CharT, _Traits> __istreambufiter_type;
istreambuf_iterator() throw()
: _M_istreambuf(NULL), _M_c(-2) { }
: _M_sbuf(NULL), _M_c(-2) { }
istreambuf_iterator(istream_type& __s) throw()
: _M_istreambuf(__s.rdbuf()), _M_c(-2) { }
: _M_sbuf(__s.rdbuf()), _M_c(-2) { }
istreambuf_iterator(streambuf_type* __s) throw()
: _M_istreambuf(__s), _M_c(-2) { }
: _M_sbuf(__s), _M_c(-2) { }
// NB: This should really have an int_type return
// value, so "end of stream" postion can be checked without
@ -167,10 +123,10 @@ namespace std
{
// The result of operator*() on an end of stream is undefined.
char_type __ret;
if (_M_istreambuf && _M_c != static_cast<int_type>(-2))
if (_M_sbuf && _M_c != static_cast<int_type>(-2))
__ret = _M_c;
else if (_M_istreambuf)
__ret = traits_type::to_char_type(_M_istreambuf->sgetc());
else if (_M_sbuf)
__ret = traits_type::to_char_type(_M_sbuf->sgetc());
else
__ret = static_cast<char_type>(traits_type::eof());
return __ret;
@ -179,8 +135,8 @@ namespace std
__istreambufiter_type&
operator++()
{
if (_M_istreambuf)
_M_istreambuf->sbumpc();
if (_M_sbuf)
_M_sbuf->sbumpc();
_M_c = -2;
return *this;
}
@ -192,8 +148,8 @@ namespace std
const __istreambufiter_type
operator++(int)
{
if (_M_istreambuf)
_M_c = _M_istreambuf->sbumpc();
if (_M_sbuf)
_M_c = _M_sbuf->sbumpc();
return *this;
}
#endif
@ -202,9 +158,9 @@ namespace std
equal(const __istreambufiter_type& __b)
{
int_type __eof = traits_type::eof();
bool __thiseof = !_M_istreambuf || _M_istreambuf->sgetc() == __eof;
bool __beof = !__b._M_istreambuf
|| __b._M_istreambuf->sgetc() == __eof;
bool __thiseof = !_M_sbuf || _M_sbuf->sgetc() == __eof;
bool __beof = !__b._M_sbuf
|| __b._M_sbuf->sgetc() == __eof;
return (__thiseof && __beof || (!__thiseof && !__beof));
}
@ -215,9 +171,9 @@ namespace std
equal(const __istreambufiter_type& __b) const
{
int_type __eof = traits_type::eof();
bool __thiseof = !_M_istreambuf || _M_istreambuf->sgetc() == __eof;
bool __beof = !__b._M_istreambuf
|| __b._M_istreambuf->sgetc() == __eof;
bool __thiseof = !_M_sbuf || _M_sbuf->sgetc() == __eof;
bool __beof = !__b._M_sbuf
|| __b._M_sbuf->sgetc() == __eof;
return (__thiseof && __beof || (!__thiseof && !__beof));
}
#endif
@ -230,7 +186,7 @@ namespace std
// the "end of stream" iterator value.
// NB: This implementation assumes the "end of stream" value
// is EOF, or -1.
streambuf_type* _M_istreambuf;
streambuf_type* _M_sbuf;
int_type _M_c;
};
@ -246,7 +202,6 @@ namespace std
const istreambuf_iterator<_CharT, _Traits>& __b)
{ return !__a.equal(__b); }
} // std::
#endif /* _CPP_BITS_SBUF_ITER_H */
} // namespace std
#endif

97
libstdc++-v3/testsuite/24_iterators/ostreambuf_iterator.cc Normal file

@ -0,0 +1,97 @@
// 2001-04-30 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001 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 2, 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 24.5.4 template class ostreambuf_iterator
#include <sstream>
#include <iterator>
#include <debug_assert.h>
bool test01(void)
{
typedef std::ostreambuf_iterator<char> costreambuf_iter;
typedef costreambuf_iter::streambuf_type cstreambuf_type;
bool test = true;
const char slit01[] = "playa hermosa, liberia, guanacaste";
std::string str01(slit01);
std::string tmp;
std::stringbuf strbuf01;
std::stringbuf strbuf02(str01);
std::ostringstream ostrs00(str01);
std::ostringstream ostrs01(str01);
// ctor sanity checks
costreambuf_iter ostrb_it01(ostrs00);
VERIFY( !ostrb_it01.failed() );
ostrb_it01++;
++ostrb_it01;
VERIFY( !ostrb_it01.failed() );
ostrb_it01 = 'a';
VERIFY( !ostrb_it01.failed() );
*ostrb_it01;
VERIFY( !ostrb_it01.failed() );
costreambuf_iter ostrb_it02(NULL);
VERIFY( ostrb_it02.failed() );
ostrb_it02++;
++ostrb_it02;
VERIFY( ostrb_it02.failed() );
*ostrb_it02;
VERIFY( ostrb_it02.failed() );
ostrb_it02 = 'a';
VERIFY( ostrb_it02.failed() );
// charT operator*() const
// ostreambuf_iterator& operator++();
// ostreambuf_iterator& operator++(int);
costreambuf_iter ostrb_it27(ostrs00);
VERIFY( !ostrb_it27.failed() );
for (int i = 0; i < strlen(slit01) - 2; ++i)
ostrb_it27 = 'a';
VERIFY( !ostrb_it27.failed() );
tmp = ostrs00.str();
VERIFY ( tmp == str01 );
costreambuf_iter ostrb_it28(ostrs01);
VERIFY( !ostrb_it28.failed() );
for (int i = 0; i < strlen(slit01) + 1; ++i)
ostrb_it28 = 'b';
VERIFY( !ostrb_it28.failed() );
tmp = ostrs01.str();
VERIFY ( tmp != str01 );
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test01();
return 0;
}