1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/stlport/stl/_sstream.h Wed Mar 31 12:33:34 2010 +0100
1.3 @@ -0,0 +1,273 @@
1.4 +/*
1.5 + * © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved.
1.6 + * Copyright (c) 1999
1.7 + * Silicon Graphics Computer Systems, Inc.
1.8 + *
1.9 + * Copyright (c) 1999
1.10 + * Boris Fomitchev
1.11 + *
1.12 + * This material is provided "as is", with absolutely no warranty expressed
1.13 + * or implied. Any use is at your own risk.
1.14 + *
1.15 + * Permission to use or copy this software for any purpose is hereby granted
1.16 + * without fee, provided the above notices are retained on all copies.
1.17 + * Permission to modify the code and to distribute modified code is granted,
1.18 + * provided the above notices are retained, and a notice that the code was
1.19 + * modified is included with the above copyright notice.
1.20 + *
1.21 + */
1.22 +
1.23 +
1.24 +// This header defines classes basic_stringbuf, basic_istringstream,
1.25 +// basic_ostringstream, and basic_stringstream. These classes
1.26 +// represent streamsbufs and streams whose sources or destinations are
1.27 +// C++ strings.
1.28 +
1.29 +#ifndef _STLP_SSTREAM_H
1.30 +#define _STLP_SSTREAM_H
1.31 +
1.32 +#ifndef _STLP_INTERNAL_STREAMBUF
1.33 +# include <stl/_streambuf.h>
1.34 +#endif
1.35 +
1.36 +#ifndef _STLP_INTERNAL_ISTREAM_H
1.37 +# include <stl/_istream.h> // Includes <ostream>, <ios>, <iosfwd>
1.38 +#endif
1.39 +
1.40 +#ifndef _STLP_STRING_H
1.41 +# include <stl/_string.h>
1.42 +#endif
1.43 +
1.44 +_STLP_BEGIN_NAMESPACE
1.45 +
1.46 +//----------------------------------------------------------------------
1.47 +// This version of basic_stringbuf relies on the internal details of
1.48 +// basic_string. It relies on the fact that, in this implementation,
1.49 +// basic_string's iterators are pointers. It also assumes (as allowed
1.50 +// by the standard) that _CharT is a POD type.
1.51 +
1.52 +// We have a very small buffer for the put area, just so that we don't
1.53 +// have to use append() for every sputc. Conceptually, the buffer
1.54 +// immediately follows the end of the underlying string. We use this
1.55 +// buffer when appending to write-only streambufs, but we don't use it
1.56 +// for read-write streambufs.
1.57 +
1.58 +template <class _CharT, class _Traits, class _Alloc>
1.59 +#ifdef __SYMBIAN32__
1.60 +NONSHARABLE_CLASS ( basic_stringbuf ) : public basic_streambuf<_CharT, _Traits>
1.61 +#else
1.62 +class basic_stringbuf : public basic_streambuf<_CharT, _Traits>
1.63 +#endif
1.64 +{
1.65 +public: // Typedefs.
1.66 + typedef _CharT char_type;
1.67 + typedef typename _Traits::int_type int_type;
1.68 + typedef typename _Traits::pos_type pos_type;
1.69 + typedef typename _Traits::off_type off_type;
1.70 + typedef _Traits traits_type;
1.71 +
1.72 + typedef basic_streambuf<_CharT, _Traits> _Base;
1.73 + typedef basic_stringbuf<_CharT, _Traits, _Alloc> _Self;
1.74 + typedef basic_string<_CharT, _Traits, _Alloc> _String;
1.75 +
1.76 +public: // Constructors, destructor.
1.77 + _STLP_DECLSPEC explicit basic_stringbuf(ios_base::openmode __mode
1.78 + = ios_base::in | ios_base::out);
1.79 + _STLP_DECLSPEC explicit basic_stringbuf(const _String& __s, ios_base::openmode __mode
1.80 + = ios_base::in | ios_base::out);
1.81 + _STLP_DECLSPEC virtual ~basic_stringbuf();
1.82 +
1.83 +public: // Get or set the string.
1.84 + _String str() const {
1.85 + if ( _M_mode & ios_base::out )
1.86 + _M_append_buffer();
1.87 + return _M_str;
1.88 + }
1.89 + _STLP_DECLSPEC void str(const _String& __s);
1.90 +
1.91 +protected: // Overridden virtual member functions.
1.92 + virtual int_type underflow();
1.93 + virtual int_type uflow();
1.94 + virtual int_type pbackfail(int_type __c);
1.95 + virtual int_type overflow(int_type __c);
1.96 + int_type pbackfail() {return pbackfail(_Traits::eof());}
1.97 + int_type overflow() {return overflow(_Traits::eof());}
1.98 +
1.99 + virtual streamsize xsputn(const char_type* __s, streamsize __n);
1.100 + virtual streamsize _M_xsputnc(char_type __c, streamsize __n);
1.101 +
1.102 + virtual _Base* setbuf(_CharT* __buf, streamsize __n);
1.103 + virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir,
1.104 + ios_base::openmode __mode
1.105 + = ios_base::in | ios_base::out);
1.106 + virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode
1.107 + = ios_base::in | ios_base::out);
1.108 + ios_base::openmode _M_mode;
1.109 +
1.110 +private: // Helper functions.
1.111 + // Append the internal buffer to the string if necessary.
1.112 + void _M_append_buffer() const;
1.113 + void _M_set_ptrs();
1.114 +
1.115 +private:
1.116 + mutable basic_string<_CharT, _Traits, _Alloc> _M_str;
1.117 +
1.118 + enum _JustName { _S_BufSiz = 8 };
1.119 + _CharT _M_Buf[ 8 /* _S_BufSiz */];
1.120 +};
1.121 +
1.122 +# if defined (_STLP_USE_TEMPLATE_EXPORT)
1.123 +_STLP_EXPORT_TEMPLATE_CLASS basic_stringbuf<char, char_traits<char>, allocator<char> >;
1.124 +# if !defined (_STLP_NO_WCHAR_T)
1.125 +_STLP_EXPORT_TEMPLATE_CLASS basic_stringbuf<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >;
1.126 +# endif
1.127 +# endif /* _STLP_USE_TEMPLATE_EXPORT */
1.128 +
1.129 +//----------------------------------------------------------------------
1.130 +// Class basic_istringstream, an input stream that uses a stringbuf.
1.131 +
1.132 +template <class _CharT, class _Traits, class _Alloc>
1.133 +#ifdef __SYMBIAN32__
1.134 +NONSHARABLE_CLASS ( basic_istringstream ) : public basic_istream<_CharT, _Traits>
1.135 +#else
1.136 +class basic_istringstream : public basic_istream<_CharT, _Traits>
1.137 +#endif
1.138 +{
1.139 +public: // Typedefs
1.140 + typedef typename _Traits::char_type char_type;
1.141 + typedef typename _Traits::int_type int_type;
1.142 + typedef typename _Traits::pos_type pos_type;
1.143 + typedef typename _Traits::off_type off_type;
1.144 + typedef _Traits traits_type;
1.145 +
1.146 + typedef basic_ios<_CharT, _Traits> _Basic_ios;
1.147 + typedef basic_istream<_CharT, _Traits> _Base;
1.148 + typedef basic_string<_CharT, _Traits, _Alloc> _String;
1.149 + typedef basic_stringbuf<_CharT, _Traits, _Alloc> _Buf;
1.150 +
1.151 +public: // Constructors, destructor.
1.152 + basic_istringstream(ios_base::openmode __mode = ios_base::in);
1.153 + basic_istringstream(const _String& __str,
1.154 + ios_base::openmode __mode = ios_base::in);
1.155 + ~basic_istringstream();
1.156 +
1.157 +public: // Member functions
1.158 +
1.159 + basic_stringbuf<_CharT, _Traits, _Alloc>* rdbuf() const
1.160 + { return __CONST_CAST(_Buf*,&_M_buf); }
1.161 +
1.162 + _String str() const { return _M_buf.str(); }
1.163 + void str(const _String& __s) { _M_buf.str(__s); }
1.164 +
1.165 +private:
1.166 + basic_stringbuf<_CharT, _Traits, _Alloc> _M_buf;
1.167 +};
1.168 +
1.169 +
1.170 +//----------------------------------------------------------------------
1.171 +// Class basic_ostringstream, an output stream that uses a stringbuf.
1.172 +
1.173 +template <class _CharT, class _Traits, class _Alloc>
1.174 +#ifdef __SYMBIAN32__
1.175 +NONSHARABLE_CLASS ( basic_ostringstream ) : public basic_ostream<_CharT, _Traits>
1.176 +#else
1.177 +class basic_ostringstream : public basic_ostream<_CharT, _Traits>
1.178 +#endif
1.179 +{
1.180 +public: // Typedefs
1.181 + typedef typename _Traits::char_type char_type;
1.182 + typedef typename _Traits::int_type int_type;
1.183 + typedef typename _Traits::pos_type pos_type;
1.184 + typedef typename _Traits::off_type off_type;
1.185 + typedef _Traits traits_type;
1.186 +
1.187 + typedef basic_ios<_CharT, _Traits> _Basic_ios;
1.188 + typedef basic_ostream<_CharT, _Traits> _Base;
1.189 + typedef basic_string<_CharT, _Traits, _Alloc> _String;
1.190 + typedef basic_stringbuf<_CharT, _Traits, _Alloc> _Buf;
1.191 +
1.192 +public: // Constructors, destructor.
1.193 + basic_ostringstream(ios_base::openmode __mode = ios_base::out);
1.194 + basic_ostringstream(const _String& __str,
1.195 + ios_base::openmode __mode = ios_base::out);
1.196 + ~basic_ostringstream();
1.197 +
1.198 +public: // Member functions.
1.199 +
1.200 + basic_stringbuf<_CharT, _Traits, _Alloc>* rdbuf() const
1.201 + { return __CONST_CAST(_Buf*,&_M_buf); }
1.202 +
1.203 + _String str() const { return _M_buf.str(); }
1.204 + void str(const _String& __s) { _M_buf.str(__s); } // dwa 02/07/00 - BUG STOMPER DAVE
1.205 +
1.206 +
1.207 +private:
1.208 + basic_stringbuf<_CharT, _Traits, _Alloc> _M_buf;
1.209 +};
1.210 +
1.211 +
1.212 +//----------------------------------------------------------------------
1.213 +// Class basic_stringstream, a bidirectional stream that uses a stringbuf.
1.214 +
1.215 +template <class _CharT, class _Traits, class _Alloc>
1.216 +#ifdef __SYMBIAN32__
1.217 +NONSHARABLE_CLASS ( basic_stringstream ) : public basic_iostream<_CharT, _Traits>
1.218 +#else
1.219 +class basic_stringstream : public basic_iostream<_CharT, _Traits>
1.220 +#endif
1.221 +{
1.222 +public: // Typedefs
1.223 + typedef typename _Traits::char_type char_type;
1.224 + typedef typename _Traits::int_type int_type;
1.225 + typedef typename _Traits::pos_type pos_type;
1.226 + typedef typename _Traits::off_type off_type;
1.227 + typedef _Traits traits_type;
1.228 +
1.229 + typedef basic_ios<_CharT, _Traits> _Basic_ios;
1.230 + typedef basic_iostream<_CharT, _Traits> _Base;
1.231 + typedef basic_string<_CharT, _Traits, _Alloc> _String;
1.232 + typedef basic_stringbuf<_CharT, _Traits, _Alloc> _Buf;
1.233 +
1.234 + typedef ios_base::openmode openmode;
1.235 +
1.236 +public: // Constructors, destructor.
1.237 + _STLP_DECLSPEC basic_stringstream(openmode __mod = ios_base::in | ios_base::out);
1.238 + _STLP_DECLSPEC basic_stringstream(const _String& __str,
1.239 + openmode __mod = ios_base::in | ios_base::out);
1.240 + ~basic_stringstream();
1.241 +
1.242 +public: // Member functions.
1.243 +
1.244 + basic_stringbuf<_CharT, _Traits, _Alloc>* rdbuf() const
1.245 + { return __CONST_CAST(_Buf*,&_M_buf); }
1.246 +
1.247 + _String str() const { return _M_buf.str(); }
1.248 + void str(const _String& __s) { _M_buf.str(__s); }
1.249 +
1.250 +private:
1.251 + basic_stringbuf<_CharT, _Traits, _Alloc> _M_buf;
1.252 +};
1.253 +
1.254 +
1.255 +# if defined (_STLP_USE_TEMPLATE_EXPORT)
1.256 +_STLP_EXPORT_TEMPLATE_CLASS basic_istringstream<char, char_traits<char>, allocator<char> >;
1.257 +_STLP_EXPORT_TEMPLATE_CLASS basic_ostringstream<char, char_traits<char>, allocator<char> >;
1.258 +_STLP_EXPORT_TEMPLATE_CLASS basic_stringstream<char, char_traits<char>, allocator<char> >;
1.259 +# if !defined (_STLP_NO_WCHAR_T)
1.260 +_STLP_EXPORT_TEMPLATE_CLASS basic_istringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >;
1.261 +_STLP_EXPORT_TEMPLATE_CLASS basic_ostringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >;
1.262 +_STLP_EXPORT_TEMPLATE_CLASS basic_stringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >;
1.263 +# endif
1.264 +# endif /* _STLP_USE_TEMPLATE_EXPORT */
1.265 +
1.266 +_STLP_END_NAMESPACE
1.267 +
1.268 +# if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) && !defined (_STLP_LINK_TIME_INSTANTIATION)
1.269 +# include <stl/_sstream.c>
1.270 +# endif
1.271 +
1.272 +#endif /* _STLP_SSTREAM_H */
1.273 +
1.274 +// Local Variables:
1.275 +// mode:C++
1.276 +// End: