2001-06-26 23:22:57 +02:00
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// Stream iterators
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2010-11-02 03:35:28 +01:00
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// Copyright (C) 2001, 2004, 2005, 2009, 2010 Free Software Foundation, Inc.
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2001-06-26 23:22:57 +02:00
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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2009-04-09 17:00:19 +02:00
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// Free Software Foundation; either version 3, or (at your option)
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2001-06-26 23:22:57 +02:00
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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2009-04-09 17:00:19 +02:00
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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2001-06-26 23:22:57 +02:00
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2009-04-09 17:00:19 +02:00
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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2001-06-26 23:22:57 +02:00
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2010-12-19 10:21:16 +01:00
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/** @file bits/stream_iterator.h
|
c_io_stdio.h: Correct grammar in comments.
2001-11-02 Phil Edwards <pme@gcc.gnu.org>
* config/io/c_io_stdio.h: Correct grammar in comments.
* docs/doxygen/Intro.3: Expand "top-level" man page.
* docs/doxygen/doxygroups.cc: New module definitions (comments).
* docs/doxygen/mainpage.doxy: Tweaks.
* docs/doxygen/run_doxygen: Update Doxygen version, massage man pages.
Add @file hooks so that headers are considered to be documented.
* include/bits/basic_ios.h, include/bits/basic_file.h,
include/bits/basic_string.h, include/bits/boost_concept_check.h,
include/bits/char_traits.h, include/bits/codecvt.h,
include/bits/concept_check.h, include/bits/cpp_type_traits.h,
include/bits/fpos.h, include/bits/gslice.h, include/bits/gslice_array.h,
include/bits/indirect_array.h, include/bits/ios_base.h,
include/bits/locale_facets.h, include/bits/localefwd.h,
include/bits/mask_array.h, include/bits/pthread_allocimpl.h,
include/bits/slice.h, include/bits/slice_array.h,
include/bits/std_algorithm.h, include/bits/std_bitset.h,
include/bits/std_complex.h, include/bits/std_deque.h,
include/bits/std_fstream.h, include/bits/std_functional.h,
include/bits/std_iomanip.h, include/bits/std_ios.h,
include/bits/std_iosfwd.h, include/bits/std_iostream.h,
include/bits/std_istream.h, include/bits/std_iterator.h,
include/bits/std_limits.h, include/bits/std_list.h,
include/bits/std_locale.h, include/bits/std_map.h,
include/bits/std_memory.h, include/bits/std_numeric.h,
include/bits/std_ostream.h, include/bits/std_queue.h,
include/bits/std_set.h, include/bits/std_sstream.h,
include/bits/std_stack.h, include/bits/std_streambuf.h,
include/bits/std_string.h, include/bits/std_utility.h,
include/bits/std_valarray.h, include/bits/std_vector.h,
include/bits/stl_algo.h, include/bits/stl_alloc.h,
include/bits/stl_bvector.h, include/bits/stl_construct.h,
include/bits/stl_deque.h, include/bits/stl_heap.h,
include/bits/stl_iterator.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_iterator_base_types.h, include/bits/stl_list.h,
include/bits/stl_map.h, include/bits/stl_multimap.h,
include/bits/stl_multiset.h, include/bits/stl_numeric.h,
include/bits/stl_pair.h, include/bits/stl_pthread_alloc.h,
include/bits/stl_queue.h, include/bits/stl_raw_storage_iter.h,
include/bits/stl_relops.h, include/bits/stl_set.h,
include/bits/stl_stack.h, include/bits/stl_tempbuf.h,
include/bits/stl_threads.h, include/bits/stl_tree.h,
include/bits/stl_uninitialized.h, include/bits/stl_vector.h,
include/bits/stream_iterator.h, include/bits/streambuf_iterator.h,
include/bits/stringfwd.h, include/bits/type_traits.h,
include/bits/valarray_array.h, include/bits/valarray_meta.h:
Add hooks, tweak comments only.
* include/bits/stl_algobase.h (swap, min, iter_swap): Also
document these functions.
* include/bits/stl_function.h: Tweak link comments.
From-SVN: r46717
2001-11-02 18:38:11 +01:00
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* This is an internal header file, included by other library headers.
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2010-12-19 10:21:16 +01:00
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* Do not attempt to use it directly. @headername{iterator}
|
c_io_stdio.h: Correct grammar in comments.
2001-11-02 Phil Edwards <pme@gcc.gnu.org>
* config/io/c_io_stdio.h: Correct grammar in comments.
* docs/doxygen/Intro.3: Expand "top-level" man page.
* docs/doxygen/doxygroups.cc: New module definitions (comments).
* docs/doxygen/mainpage.doxy: Tweaks.
* docs/doxygen/run_doxygen: Update Doxygen version, massage man pages.
Add @file hooks so that headers are considered to be documented.
* include/bits/basic_ios.h, include/bits/basic_file.h,
include/bits/basic_string.h, include/bits/boost_concept_check.h,
include/bits/char_traits.h, include/bits/codecvt.h,
include/bits/concept_check.h, include/bits/cpp_type_traits.h,
include/bits/fpos.h, include/bits/gslice.h, include/bits/gslice_array.h,
include/bits/indirect_array.h, include/bits/ios_base.h,
include/bits/locale_facets.h, include/bits/localefwd.h,
include/bits/mask_array.h, include/bits/pthread_allocimpl.h,
include/bits/slice.h, include/bits/slice_array.h,
include/bits/std_algorithm.h, include/bits/std_bitset.h,
include/bits/std_complex.h, include/bits/std_deque.h,
include/bits/std_fstream.h, include/bits/std_functional.h,
include/bits/std_iomanip.h, include/bits/std_ios.h,
include/bits/std_iosfwd.h, include/bits/std_iostream.h,
include/bits/std_istream.h, include/bits/std_iterator.h,
include/bits/std_limits.h, include/bits/std_list.h,
include/bits/std_locale.h, include/bits/std_map.h,
include/bits/std_memory.h, include/bits/std_numeric.h,
include/bits/std_ostream.h, include/bits/std_queue.h,
include/bits/std_set.h, include/bits/std_sstream.h,
include/bits/std_stack.h, include/bits/std_streambuf.h,
include/bits/std_string.h, include/bits/std_utility.h,
include/bits/std_valarray.h, include/bits/std_vector.h,
include/bits/stl_algo.h, include/bits/stl_alloc.h,
include/bits/stl_bvector.h, include/bits/stl_construct.h,
include/bits/stl_deque.h, include/bits/stl_heap.h,
include/bits/stl_iterator.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_iterator_base_types.h, include/bits/stl_list.h,
include/bits/stl_map.h, include/bits/stl_multimap.h,
include/bits/stl_multiset.h, include/bits/stl_numeric.h,
include/bits/stl_pair.h, include/bits/stl_pthread_alloc.h,
include/bits/stl_queue.h, include/bits/stl_raw_storage_iter.h,
include/bits/stl_relops.h, include/bits/stl_set.h,
include/bits/stl_stack.h, include/bits/stl_tempbuf.h,
include/bits/stl_threads.h, include/bits/stl_tree.h,
include/bits/stl_uninitialized.h, include/bits/stl_vector.h,
include/bits/stream_iterator.h, include/bits/streambuf_iterator.h,
include/bits/stringfwd.h, include/bits/type_traits.h,
include/bits/valarray_array.h, include/bits/valarray_meta.h:
Add hooks, tweak comments only.
* include/bits/stl_algobase.h (swap, min, iter_swap): Also
document these functions.
* include/bits/stl_function.h: Tweak link comments.
From-SVN: r46717
2001-11-02 18:38:11 +01:00
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*/
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2003-07-05 06:05:45 +02:00
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#ifndef _STREAM_ITERATOR_H
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#define _STREAM_ITERATOR_H 1
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2001-06-26 23:22:57 +02:00
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#pragma GCC system_header
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2003-11-11 21:09:16 +01:00
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#include <debug/debug.h>
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2005-12-19 01:56:05 +01:00
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_GLIBCXX_BEGIN_NAMESPACE(std)
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2009-11-06 23:15:17 +01:00
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/**
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* @addtogroup iterators
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* @{
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*/
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2004-01-27 03:58:06 +01:00
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/// Provides input iterator semantics for streams.
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2004-02-08 05:46:42 +01:00
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template<typename _Tp, typename _CharT = char,
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typename _Traits = char_traits<_CharT>, typename _Dist = ptrdiff_t>
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class istream_iterator
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2004-02-06 22:32:48 +01:00
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: public iterator<input_iterator_tag, _Tp, _Dist, const _Tp*, const _Tp&>
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2001-06-26 23:22:57 +02:00
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{
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public:
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typedef _CharT char_type;
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typedef _Traits traits_type;
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typedef basic_istream<_CharT, _Traits> istream_type;
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private:
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2004-02-08 05:46:42 +01:00
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istream_type* _M_stream;
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_Tp _M_value;
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bool _M_ok;
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2001-06-26 23:22:57 +02:00
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2004-01-27 03:58:06 +01:00
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public:
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/// Construct end of input stream iterator.
|
2010-11-02 03:35:28 +01:00
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_GLIBCXX_CONSTEXPR istream_iterator()
|
mt_allocator.h (__mt_alloc::__mt_alloc): Remove name of unused parameter.
2005-12-26 Chris Jefferson <chris@bubblescope.net>
* include/ext/mt_allocator.h (__mt_alloc::__mt_alloc): Remove
name of unused parameter.
* include/bits/stream_iterator.h (istream_iterator::istream_iterator):
Construct _M_value.
* include/debug/functions.h (__check_valid_range): Add
__attribute__((unused)).
* include/tr1/hashtable (hashtable::end): Remove name of unused
parameter.
* include/tr1/tuple_iterate.h (tuple::tuple): Likewise.
(tuple::operator=): Add __attribute__((unused)).
* include/tr1/functional (Fnv_hash<4>::hash): Add static_cast.
(Fnv_hash<8>::hash): Likewise.
* testsuite/25_algorithms/iter_swap/20577.cc (swap): Remove name of
unused parameter.
* testsuite/25_algorithms/unique_copy/check_type.cc (S2::S2,X2::X2):
Likewise.
* testsuite/22_locale/ctype/narrow/char/19955.cc (do_narrow): Likewise.
* testsuite/22_locale/ctype/is/char/9858.cc (Derived::do_is,
Derived::do_scan_is, Derived::do_scan_not, Derived2::do_is,
Derived2::do_scan_is, Derived2::do_scan_not): Likewise.
* testsuite/22_locale/time_put/put/wchar_t/12439_1.cc (TP::do_put):
Likewise.
* testsuite/22_locale/time_put/put/wchar_t/12439_3.cc (TP::do_put):
Likewise.
* testsuite/22_locale/time_put/put/char/12439_1.cc (TP::do_put):
Likewise.
* testsuite/22_locale/time_put/put/char/12439_3.cc (TP::do_put):
Likewise.
* testsuite/testsuite_io.h (fail_num_get::do_get, fail_num_put::do_put):
Likewise.
* testsuite/25_algorithms/find/17441.cc (find): Likewise.
* testsuite/23_containers/vector/cons/clear_allocator.cc
(clear_alloc::clear_alloc): Likewise.
* testsuite/23_containers/vector/bool/clear_allocator.cc
(clear_alloc::clear_alloc): Likewise.
* testsuite/23_containers/list/cons/clear_allocator.cc
(clear_alloc::clear_alloc): Likewise.
* testsuite/23_containers/set/modifiers/16728.cc (test_container):
Likewise.
* testsuite/27_io/basic_ios/cons/char/3.cc (char_traits::to_char_type,
to_int_type): Likewise.
* testsuite/27_io/basic_filebuf/imbue/12206.cc (codecvt::do_out, do_in,
do_unshift, do_length): Likewise.
* testsuite/21_strings/basic_string/capacity/1.cc
(operator==(A<T>,A<T>), operator<(A<T>,A<T>),
char_traits::to_char_type, char_traits::to_int_type): Likewise
* testsuite/testsuite_character.h (ctype::do_is, ctype::do_scan_is,
ctype::do_scan_not, do_toupper, do_tolower): Likewise.
* testsuite/25_algorithms/replace_copy/check_type.cc (Z::operator=):
Add missing return statement.
* testsuite/25_algorithms/replace_copy_if/check_type.cc (Z::operator=):
Likewise.
* testsuite/testsuite_iterators.h (output_iterator_wrapper::operator=,
random_access_iterator_wrapper::operator==): Likewise.
* testsuite/20_util/functional/binders/1.cc (s::f_int_int_const,
s::f_int_int, s::f_int_void_const, s::f_int_void): Likewise.
* testsuite/27_io/types/1.cc (test01): Likewise.
* testsuite/27_io/basic_ostream/write/wchar_t/1.cc (test01): Likewise.
* testsuite/27_io/basic_ostream/write/char/1.cc (test01): Likewise.
* testsuite/21_strings/c_strings/wchar_t/24559.cc (main): Likewise.
* testsuite/27_io/basic_istream/ignore/wchar_t/2.cc (check): Add static
cast.
* testsuite/27_io/basic_istream/ignore/char/2.cc (check): Likewise.
* testsuite/27_io/basic_istream/getline/wchar_t/5.cc (check): Likewise.
* testsuite/27_io/basic_istream/getline/char/5.cc (check): Likewise.
* testsuite/testsuite_allocator.h (check_new): Likewise.
(check_deallocate_null): Add missing return value.
* testsuite/ext/pool_allocator/allocate_chunk.cc (test01):
Make variable unsigned.
* testsuite/23_containers/vector/modifiers/erase/1.cc (N,N1,N2,N3,N4,
N5,test01): Likewise.
* testsuite/26_numerics/valarray/valarray_subset_assignment.cc
(check_array): Likewise.
(main): Removed unused variable.
* testsuite/27_io/basic_streambuf/in_avail/wchar_t/1.cc (test05):
Removed unused variable.
* testsuite/27_io/basic_ostream/flush/wchar_t/1.cc (test01): Likewise.
* testsuite/27_io/basic_ostream/flush/char/1.cc (test01): Likewise.
* testsuite/27_io/basic_ostream/endl/wchar_t/1.cc (test01): Likewise.
* testsuite/27_io/basic_ostream/endl/char/1.cc (test01): Likewise.
* testsuite/27_io/basic_ostream/ends/wchar_t/1.cc (test01): Likewise.
* testsuite/27_io/basic_ostream/ends/char/1.cc (test01): Likewise.
* testsuite/tr1/2_general_utilities/memory/shared_ptr/
assign/shared_ptr.cc (test01): Correct return type.
* testsuite/27_io/basic_filebuf/close/char/2.cc (test_02):
Add default value to close_num.
From-SVN: r109062
2005-12-26 11:53:42 +01:00
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: _M_stream(0), _M_value(), _M_ok(false) {}
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2001-06-27 01:12:45 +02:00
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2004-01-27 03:58:06 +01:00
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/// Construct start of input stream iterator.
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2004-02-06 22:32:48 +01:00
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istream_iterator(istream_type& __s)
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: _M_stream(&__s)
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{ _M_read(); }
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2001-06-26 23:22:57 +02:00
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2004-02-08 05:46:42 +01:00
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istream_iterator(const istream_iterator& __obj)
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: _M_stream(__obj._M_stream), _M_value(__obj._M_value),
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_M_ok(__obj._M_ok)
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2001-06-27 01:12:45 +02:00
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{ }
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2001-06-26 23:22:57 +02:00
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const _Tp&
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2004-02-08 05:46:42 +01:00
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operator*() const
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{
|
2003-11-11 21:09:16 +01:00
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__glibcxx_requires_cond(_M_ok,
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_M_message(__gnu_debug::__msg_deref_istream)
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._M_iterator(*this));
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return _M_value;
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}
|
2001-06-26 23:22:57 +02:00
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const _Tp*
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operator->() const { return &(operator*()); }
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2004-02-08 05:46:42 +01:00
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istream_iterator&
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operator++()
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{
|
2003-11-11 21:09:16 +01:00
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__glibcxx_requires_cond(_M_ok,
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_M_message(__gnu_debug::__msg_inc_istream)
|
|
|
|
._M_iterator(*this));
|
2004-02-08 05:46:42 +01:00
|
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_M_read();
|
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return *this;
|
2003-11-11 21:09:16 +01:00
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}
|
2001-06-26 23:22:57 +02:00
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2004-02-08 05:46:42 +01:00
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istream_iterator
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operator++(int)
|
2001-06-26 23:22:57 +02:00
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{
|
2003-11-11 21:09:16 +01:00
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__glibcxx_requires_cond(_M_ok,
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_M_message(__gnu_debug::__msg_inc_istream)
|
2004-02-08 05:46:42 +01:00
|
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._M_iterator(*this));
|
2001-06-26 23:22:57 +02:00
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istream_iterator __tmp = *this;
|
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_M_read();
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return __tmp;
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}
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2004-02-08 05:46:42 +01:00
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bool
|
2001-06-26 23:22:57 +02:00
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_M_equal(const istream_iterator& __x) const
|
2004-02-06 22:32:48 +01:00
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{ return (_M_ok == __x._M_ok) && (!_M_ok || _M_stream == __x._M_stream); }
|
2001-06-26 23:22:57 +02:00
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2004-02-08 05:46:42 +01:00
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private:
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void
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_M_read()
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2001-06-26 23:22:57 +02:00
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{
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_M_ok = (_M_stream && *_M_stream) ? true : false;
|
2004-02-06 22:32:48 +01:00
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if (_M_ok)
|
2001-06-26 23:22:57 +02:00
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{
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*_M_stream >> _M_value;
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_M_ok = *_M_stream ? true : false;
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}
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}
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};
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2004-02-08 05:46:42 +01:00
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2004-01-27 03:58:06 +01:00
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/// Return true if x and y are both end or not end, or x and y are the same.
|
2001-06-26 23:22:57 +02:00
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template<typename _Tp, typename _CharT, typename _Traits, typename _Dist>
|
2004-02-08 05:46:42 +01:00
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inline bool
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2001-06-26 23:22:57 +02:00
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operator==(const istream_iterator<_Tp, _CharT, _Traits, _Dist>& __x,
|
2004-02-08 05:46:42 +01:00
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const istream_iterator<_Tp, _CharT, _Traits, _Dist>& __y)
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2001-06-26 23:22:57 +02:00
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{ return __x._M_equal(__y); }
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2004-01-27 03:58:06 +01:00
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/// Return false if x and y are both end or not end, or x and y are the same.
|
2001-06-26 23:22:57 +02:00
|
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|
template <class _Tp, class _CharT, class _Traits, class _Dist>
|
2004-02-08 05:46:42 +01:00
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inline bool
|
2001-06-27 01:12:45 +02:00
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operator!=(const istream_iterator<_Tp, _CharT, _Traits, _Dist>& __x,
|
2004-02-08 05:46:42 +01:00
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const istream_iterator<_Tp, _CharT, _Traits, _Dist>& __y)
|
2001-06-27 01:12:45 +02:00
|
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{ return !__x._M_equal(__y); }
|
2001-06-26 23:22:57 +02:00
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|
2004-01-27 03:58:06 +01:00
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|
|
/**
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* @brief Provides output iterator semantics for streams.
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*
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* This class provides an iterator to write to an ostream. The type Tp is
|
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* the only type written by this iterator and there must be an
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|
* operator<<(Tp) defined.
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*
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* @param Tp The type to write to the ostream.
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* @param CharT The ostream char_type.
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* @param Traits The ostream char_traits.
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|
*/
|
2004-02-08 05:46:42 +01:00
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template<typename _Tp, typename _CharT = char,
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2001-06-26 23:22:57 +02:00
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typename _Traits = char_traits<_CharT> >
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2004-02-08 05:46:42 +01:00
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class ostream_iterator
|
2004-02-06 22:32:48 +01:00
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: public iterator<output_iterator_tag, void, void, void, void>
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2001-06-26 23:22:57 +02:00
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{
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public:
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2004-01-27 03:58:06 +01:00
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//@{
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|
/// Public typedef
|
2001-06-26 23:22:57 +02:00
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|
typedef _CharT char_type;
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|
typedef _Traits traits_type;
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|
typedef basic_ostream<_CharT, _Traits> ostream_type;
|
2004-01-27 03:58:06 +01:00
|
|
|
//@}
|
2001-06-26 23:22:57 +02:00
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private:
|
2004-02-08 05:46:42 +01:00
|
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ostream_type* _M_stream;
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|
|
const _CharT* _M_string;
|
2001-06-26 23:22:57 +02:00
|
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|
public:
|
2004-01-27 03:58:06 +01:00
|
|
|
/// Construct from an ostream.
|
2001-06-26 23:22:57 +02:00
|
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|
ostream_iterator(ostream_type& __s) : _M_stream(&__s), _M_string(0) {}
|
2001-06-27 01:12:45 +02:00
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|
2004-01-27 03:58:06 +01:00
|
|
|
/**
|
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|
|
* Construct from an ostream.
|
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|
|
*
|
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|
|
* The delimiter string @a c is written to the stream after every Tp
|
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|
|
* written to the stream. The delimiter is not copied, and thus must
|
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|
|
* not be destroyed while this iterator is in use.
|
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|
|
*
|
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|
|
* @param s Underlying ostream to write to.
|
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|
|
* @param c CharT delimiter string to insert.
|
|
|
|
*/
|
2004-02-08 05:46:42 +01:00
|
|
|
ostream_iterator(ostream_type& __s, const _CharT* __c)
|
2001-06-27 01:12:45 +02:00
|
|
|
: _M_stream(&__s), _M_string(__c) { }
|
|
|
|
|
2004-01-27 03:58:06 +01:00
|
|
|
/// Copy constructor.
|
2001-06-27 01:12:45 +02:00
|
|
|
ostream_iterator(const ostream_iterator& __obj)
|
|
|
|
: _M_stream(__obj._M_stream), _M_string(__obj._M_string) { }
|
2001-06-26 23:22:57 +02:00
|
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|
|
2004-01-27 03:58:06 +01:00
|
|
|
/// Writes @a value to underlying ostream using operator<<. If
|
|
|
|
/// constructed with delimiter string, writes delimiter to ostream.
|
2004-02-08 05:46:42 +01:00
|
|
|
ostream_iterator&
|
|
|
|
operator=(const _Tp& __value)
|
|
|
|
{
|
2003-11-11 21:09:16 +01:00
|
|
|
__glibcxx_requires_cond(_M_stream != 0,
|
|
|
|
_M_message(__gnu_debug::__msg_output_ostream)
|
|
|
|
._M_iterator(*this));
|
2001-06-26 23:22:57 +02:00
|
|
|
*_M_stream << __value;
|
|
|
|
if (_M_string) *_M_stream << _M_string;
|
|
|
|
return *this;
|
|
|
|
}
|
2004-02-08 05:46:42 +01:00
|
|
|
|
|
|
|
ostream_iterator&
|
2004-02-06 22:32:48 +01:00
|
|
|
operator*()
|
|
|
|
{ return *this; }
|
2004-02-08 05:46:42 +01:00
|
|
|
|
|
|
|
ostream_iterator&
|
2004-02-06 22:32:48 +01:00
|
|
|
operator++()
|
2004-02-08 05:46:42 +01:00
|
|
|
{ return *this; }
|
|
|
|
|
|
|
|
ostream_iterator&
|
2004-02-06 22:32:48 +01:00
|
|
|
operator++(int)
|
2004-02-08 05:46:42 +01:00
|
|
|
{ return *this; }
|
2001-06-26 23:22:57 +02:00
|
|
|
};
|
2005-12-19 01:56:05 +01:00
|
|
|
|
2009-11-06 23:15:17 +01:00
|
|
|
// @} group iterators
|
|
|
|
|
2005-12-19 01:56:05 +01:00
|
|
|
_GLIBCXX_END_NAMESPACE
|
|
|
|
|
2001-06-26 23:22:57 +02:00
|
|
|
#endif
|