1 /*
2 * Copyright (c) 1999
3 * Silicon Graphics Computer Systems, Inc.
4 *
5 * Copyright (c) 1999
6 * Boris Fomitchev
7 *
8 * This material is provided "as is", with absolutely no warranty expressed
9 * or implied. Any use is at your own risk.
10 *
11 * Permission to use or copy this software for any purpose is hereby granted
12 * without fee, provided the above notices are retained on all copies.
13 * Permission to modify the code and to distribute modified code is granted,
14 * provided the above notices are retained, and a notice that the code was
15 * modified is included with the above copyright notice.
16 *
17 */
18 #ifndef _STLP_IOS_C
19 #define _STLP_IOS_C
20
21 #ifndef _STLP_INTERNAL_IOS_H
22 # include <stl/_ios.h>
23 #endif
24
25 #ifndef _STLP_INTERNAL_STREAMBUF
26 # include <stl/_streambuf.h>
27 #endif
28
29 #ifndef _STLP_INTERNAL_NUMPUNCT_H
30 # include <stl/_numpunct.h>
31 #endif
32
33 _STLP_BEGIN_NAMESPACE
34
35 // basic_ios<>'s non-inline member functions
36
37 // Public constructor, taking a streambuf.
38 template <class _CharT, class _Traits>
39 basic_ios<_CharT, _Traits>
basic_ios(basic_streambuf<_CharT,_Traits> * __streambuf)40 ::basic_ios(basic_streambuf<_CharT, _Traits>* __streambuf)
41 : ios_base(), _M_cached_ctype(0),
42 _M_fill(_STLP_NULL_CHAR_INIT(_CharT)), _M_streambuf(0), _M_tied_ostream(0) {
43 basic_ios<_CharT, _Traits>::init(__streambuf);
44 }
45
46 template <class _CharT, class _Traits>
47 basic_streambuf<_CharT, _Traits>*
rdbuf(basic_streambuf<_CharT,_Traits> * __buf)48 basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<_CharT, _Traits>* __buf) {
49 basic_streambuf<_CharT, _Traits>* __tmp = _M_streambuf;
50 _M_streambuf = __buf;
51 this->clear();
52 return __tmp;
53 }
54
55 template <class _CharT, class _Traits>
56 basic_ios<_CharT, _Traits>&
copyfmt(const basic_ios<_CharT,_Traits> & __x)57 basic_ios<_CharT, _Traits>::copyfmt(const basic_ios<_CharT, _Traits>& __x) {
58 _M_invoke_callbacks(erase_event);
59 _M_copy_state(__x); // Inherited from ios_base.
60 _M_cached_ctype = __x._M_cached_ctype;
61 _M_fill = __x._M_fill;
62 _M_tied_ostream = __x._M_tied_ostream;
63 _M_invoke_callbacks(copyfmt_event);
64 this->_M_set_exception_mask(__x.exceptions());
65 return *this;
66 }
67
68 template <class _CharT, class _Traits>
imbue(const locale & __loc)69 locale basic_ios<_CharT, _Traits>::imbue(const locale& __loc) {
70 locale __tmp = ios_base::imbue(__loc);
71 _STLP_TRY {
72 if (_M_streambuf)
73 _M_streambuf->pubimbue(__loc);
74
75 // no throwing here
76 _M_cached_ctype = &use_facet<ctype<char_type> >(__loc);
77 }
78 _STLP_CATCH_ALL {
79 __tmp = ios_base::imbue(__tmp);
80 _M_handle_exception(ios_base::failbit);
81 }
82 return __tmp;
83 }
84
85 // Protected constructor and initialization functions. The default
86 // constructor creates an uninitialized basic_ios, and init() initializes
87 // all of the members to the values in Table 89 of the C++ standard.
88
89 template <class _CharT, class _Traits>
basic_ios()90 basic_ios<_CharT, _Traits>::basic_ios()
91 : ios_base(),
92 _M_fill(_STLP_NULL_CHAR_INIT(_CharT)), _M_streambuf(0), _M_tied_ostream(0)
93 {}
94
95 template <class _CharT, class _Traits>
96 void
init(basic_streambuf<_CharT,_Traits> * __sb)97 basic_ios<_CharT, _Traits>::init(basic_streambuf<_CharT, _Traits>* __sb)
98 {
99 this->rdbuf(__sb);
100 this->imbue(locale());
101 this->tie(0);
102 this->_M_set_exception_mask(ios_base::goodbit);
103 this->_M_clear_nothrow(__sb != 0 ? ios_base::goodbit : ios_base::badbit);
104 ios_base::flags(ios_base::skipws | ios_base::dec);
105 ios_base::width(0);
106 ios_base::precision(6);
107 this->fill(widen(' '));
108 // We don't need to worry about any of the three arrays: they are
109 // initialized correctly in ios_base's constructor.
110 }
111
112 // This is never called except from within a catch clause.
113 template <class _CharT, class _Traits>
_M_handle_exception(ios_base::iostate __flag)114 void basic_ios<_CharT, _Traits>::_M_handle_exception(ios_base::iostate __flag)
115 {
116 this->_M_setstate_nothrow(__flag);
117 if (this->_M_get_exception_mask() & __flag)
118 _STLP_RETHROW;
119 }
120
121 _STLP_END_NAMESPACE
122
123 #endif /* _STLP_IOS_C */
124
125 // Local Variables:
126 // mode:C++
127 // End:
128