1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/stlportv5/stl/_string_io.c Wed Mar 31 12:27:01 2010 +0100
1.3 @@ -0,0 +1,369 @@
1.4 +/*
1.5 +* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
1.6 +
1.7 +* Redistribution and use in source and binary forms, with or without
1.8 +* modification, are permitted provided that the following conditions are met:
1.9 +
1.10 +* Redistributions of source code must retain the above copyright notice, this
1.11 +* list of conditions and the following disclaimer.
1.12 +* Redistributions in binary form must reproduce the above copyright notice,
1.13 +* this list of conditions and the following disclaimer in the documentation
1.14 +* and/or other materials provided with the distribution.
1.15 +* Neither the name of Nokia Corporation nor the names of its contributors
1.16 +* may be used to endorse or promote products derived from this software
1.17 +* without specific prior written permission.
1.18 +
1.19 +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.20 +* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.21 +* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
1.22 +* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
1.23 +* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.24 +* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.25 +* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
1.26 +* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
1.27 +* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.28 +* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.29 +*
1.30 +* Description:
1.31 +*
1.32 +*/
1.33 +
1.34 +#ifndef _STLP_STRING_IO_C
1.35 +#define _STLP_STRING_IO_C
1.36 +
1.37 +#ifndef _STLP_STRING_IO_H
1.38 +# include <stl/_string_io.h>
1.39 +#endif
1.40 +
1.41 +#ifndef _STLP_INTERNAL_CTYPE_H
1.42 +# include <stl/_ctype.h>
1.43 +#endif
1.44 +
1.45 +# ifdef _STLP_DEBUG
1.46 +# define basic_string _Nondebug_string
1.47 +# endif
1.48 +
1.49 +_STLP_BEGIN_NAMESPACE
1.50 +
1.51 +# if defined (_STLP_OWN_IOSTREAMS)
1.52 +# define _STLP_USING_IO
1.53 +# else
1.54 +# define _STLP_USING_IO _STLP_USING_VENDOR_STD
1.55 +# endif
1.56 +
1.57 +#if defined (_STLP_USE_NEW_IOSTREAMS)
1.58 +
1.59 +template <class _CharT, class _Traits>
1.60 +bool _STLP_CALL
1.61 +__stlp_string_fill(basic_ostream<_CharT, _Traits>& __os,
1.62 + basic_streambuf<_CharT, _Traits>* __buf,
1.63 + size_t __n)
1.64 +{
1.65 + _CharT __f = __os.fill();
1.66 + size_t __i;
1.67 + bool __ok = true;
1.68 +
1.69 + for (__i = 0; __i < __n; ++__i)
1.70 + __ok = __ok && !_Traits::eq_int_type(__buf->sputc(__f), _Traits::eof());
1.71 + return __ok;
1.72 +}
1.73 +
1.74 +template <class _CharT, class _Traits, class _Alloc>
1.75 +basic_ostream<_CharT, _Traits>& _STLP_CALL
1.76 +operator<<(basic_ostream<_CharT, _Traits>& __os,
1.77 + const basic_string<_CharT,_Traits,_Alloc>& __s)
1.78 +{
1.79 +
1.80 + _STLP_USING_IO
1.81 + typedef basic_ostream<_CharT, _Traits> __ostream;
1.82 + typename __ostream::sentry __sentry(__os);
1.83 + bool __ok = false;
1.84 +
1.85 + if (__sentry) {
1.86 + __ok = true;
1.87 + size_t __n = __s.size();
1.88 + size_t __pad_len = 0;
1.89 + const bool __left = (__os.flags() & __ostream::left) != 0;
1.90 + const size_t __w = __os.width(0);
1.91 + basic_streambuf<_CharT, _Traits>* __buf = __os.rdbuf();
1.92 +
1.93 + if (__n < __w) {
1.94 + __pad_len = __w - __n;
1.95 + }
1.96 +
1.97 + if (!__left)
1.98 + __ok = __stlp_string_fill(__os, __buf, __pad_len);
1.99 +
1.100 + __ok = __ok && (__buf->sputn(__s.data(), streamsize(__n)) == streamsize(__n));
1.101 +
1.102 + if (__left)
1.103 + __ok = __ok && __stlp_string_fill(__os, __buf, __pad_len);
1.104 + }
1.105 +
1.106 + if (!__ok)
1.107 + __os.setstate(__ostream::failbit);
1.108 +
1.109 + return __os;
1.110 +}
1.111 +
1.112 +template <class _CharT, class _Traits, class _Alloc>
1.113 +basic_istream<_CharT, _Traits>& _STLP_CALL
1.114 +operator>>(basic_istream<_CharT, _Traits>& __is,
1.115 + basic_string<_CharT,_Traits, _Alloc>& __s)
1.116 +{
1.117 + _STLP_USING_IO
1.118 + typedef basic_istream<_CharT, _Traits> __istream;
1.119 + typename __istream::sentry __sentry(__is);
1.120 +
1.121 + if (__sentry) {
1.122 + basic_streambuf<_CharT, _Traits>* __buf = __is.rdbuf();
1.123 + typedef ctype<_CharT> _C_type;
1.124 +
1.125 +#ifdef _STLP_OWN_IOSTREAMS
1.126 + // const _C_type& _Ctype = use_facet<_C_type>(__loc);
1.127 + const _C_type& _Ctype = *(const _C_type*)__is._M_ctype_facet();
1.128 +#else
1.129 +# if defined (_STLP_MSVC) && (_STLP_MSVC <= 1200 ) || defined (__ICL)
1.130 + const locale& __loc = __is.getloc();
1.131 + const _C_type& _Ctype = use_facet(__loc , ( _C_type * ) 0, true);
1.132 +# elif defined (__SUNPRO_CC)
1.133 + const locale& __loc = __is.getloc();
1.134 + const _C_type& _Ctype = use_facet(__loc , ( _C_type * ) 0);
1.135 +# else
1.136 + const locale& __loc = __is.getloc();
1.137 + const _C_type& _Ctype = use_facet<_C_type>(__loc);
1.138 +# endif
1.139 +#endif
1.140 + __s.clear();
1.141 + size_t __n = __is.width(0);
1.142 + if (__n == 0)
1.143 + __n = __STATIC_CAST(size_t,-1);
1.144 + else
1.145 + __s.reserve(__n);
1.146 +
1.147 +
1.148 + while (__n-- > 0) {
1.149 + typename _Traits::int_type __c1 = __buf->sbumpc();
1.150 + if (_Traits::eq_int_type(__c1, _Traits::eof())) {
1.151 + __is.setstate(__istream::eofbit);
1.152 + break;
1.153 + }
1.154 + else {
1.155 + _CharT __c = _Traits::to_char_type(__c1);
1.156 +
1.157 + if (_Ctype.is(_C_type::space, __c)) {
1.158 + if (_Traits::eq_int_type(__buf->sputbackc(__c), _Traits::eof()))
1.159 + __is.setstate(__istream::failbit);
1.160 + break;
1.161 + }
1.162 +#ifdef __SYMBIAN32__
1.163 + else if (__c == '\b') {
1.164 + __s.pop_back();
1.165 + }
1.166 +#endif
1.167 + else
1.168 + __s.push_back(__c);
1.169 + }
1.170 + }
1.171 +
1.172 + // If we have read no characters, then set failbit.
1.173 + if (__s.size() == 0)
1.174 + __is.setstate(__istream::failbit);
1.175 + }
1.176 + else
1.177 + __is.setstate(__istream::failbit);
1.178 +
1.179 + return __is;
1.180 +}
1.181 +
1.182 +template <class _CharT, class _Traits, class _Alloc>
1.183 +basic_istream<_CharT, _Traits>& _STLP_CALL
1.184 +getline(basic_istream<_CharT, _Traits>& __is,
1.185 + basic_string<_CharT,_Traits,_Alloc>& __s,
1.186 + _CharT __delim)
1.187 +{
1.188 + _STLP_USING_IO
1.189 + typedef basic_istream<_CharT, _Traits> __istream;
1.190 + size_t __nread = 0;
1.191 + typename basic_istream<_CharT, _Traits>::sentry __sentry(__is, true);
1.192 + if (__sentry) {
1.193 + basic_streambuf<_CharT, _Traits>* __buf = __is.rdbuf();
1.194 + __s.clear();
1.195 +
1.196 + while (__nread < __s.max_size()) {
1.197 + int __c1 = __buf->sbumpc();
1.198 + if (_Traits::eq_int_type(__c1, _Traits::eof())) {
1.199 + __is.setstate(__istream::eofbit);
1.200 + break;
1.201 + }
1.202 + else {
1.203 + ++__nread;
1.204 + _CharT __c = _Traits::to_char_type(__c1);
1.205 + if (!_Traits::eq(__c, __delim))
1.206 + __s.push_back(__c);
1.207 + else
1.208 + break; // Character is extracted but not appended.
1.209 + }
1.210 + }
1.211 + }
1.212 + if (__nread == 0 || __nread >= __s.max_size())
1.213 + __is.setstate(__istream::failbit);
1.214 +
1.215 + return __is;
1.216 +}
1.217 +
1.218 +#elif ! defined ( _STLP_USE_NO_IOSTREAMS )
1.219 +
1.220 +// (reg) For Watcom IO, _OSTREAM_DLL tells if ostream class is in .exe or in .dll
1.221 +
1.222 +template <class _CharT, class _Traits, class _Alloc>
1.223 +_OSTREAM_DLL& _STLP_CALL operator<<(_OSTREAM_DLL& __os,
1.224 + const basic_string<_CharT,_Traits,_Alloc>& __s)
1.225 +{
1.226 + _STLP_USING_IO
1.227 + streambuf* __buf = __os.rdbuf();
1.228 + if (__buf) {
1.229 + size_t __n = __s.size();
1.230 + size_t __pad_len = 0;
1.231 + const bool __left = (__os.flags() & ios::left) !=0;
1.232 + const size_t __w = __os.width();
1.233 +
1.234 + if (__n < __w) {
1.235 + __pad_len = __w - __n;
1.236 + }
1.237 +
1.238 + if (!__left)
1.239 + __stlp_string_fill(__os, __buf, __pad_len);
1.240 +
1.241 + const size_t __nwritten = __buf->sputn(__s.data(), __n);
1.242 +
1.243 + if (__left)
1.244 + __stlp_string_fill(__os, __buf, __pad_len);
1.245 +
1.246 + if (__nwritten != __n)
1.247 + __os.clear(__os.rdstate() | ios::failbit);
1.248 +
1.249 + __os.width(0);
1.250 + }
1.251 + else
1.252 + __os.clear(__os.rdstate() | ios::badbit);
1.253 +
1.254 + return __os;
1.255 +}
1.256 +
1.257 +template <class _CharT, class _Traits, class _Alloc>
1.258 +_ISTREAM_DLL& _STLP_CALL operator>>(_ISTREAM_DLL& __is, basic_string<_CharT,_Traits,_Alloc>& __s)
1.259 +{
1.260 + _STLP_USING_IO
1.261 + if (!__is)
1.262 + return __is;
1.263 +
1.264 + streambuf* __buf = __is.rdbuf();
1.265 + if (__buf) {
1.266 +
1.267 + if (__is.flags() & ios::skipws) {
1.268 + // _CharT __c;
1.269 + int __c;
1.270 + do {
1.271 + __c = __buf->sbumpc();
1.272 + }
1.273 + while (__c != EOF && isspace((unsigned char)__c));
1.274 +
1.275 + if (__c == EOF) {
1.276 + __is.clear(__is.rdstate() | ios::eofbit | ios::failbit);
1.277 + }
1.278 + else {
1.279 + if (__buf->sputbackc(__c) == EOF)
1.280 + __is.clear(__is.rdstate() | ios::failbit);
1.281 + }
1.282 + }
1.283 +
1.284 + // If we arrive at end of file (or fail for some other reason) while
1.285 + // still discarding whitespace, then we don't try to read the string.
1.286 + if (__is) {
1.287 + __s.clear();
1.288 +
1.289 + size_t __n = __is.width();
1.290 + if (__n == 0)
1.291 + __n = __STATIC_CAST(size_t,-1);
1.292 + else
1.293 + __s.reserve(__n);
1.294 +
1.295 + while (__n-- > 0) {
1.296 + int __c1 = __buf->sbumpc();
1.297 + if (__c1 == EOF) {
1.298 + __is.clear(__is.rdstate() | ios::eofbit);
1.299 + break;
1.300 + }
1.301 + else {
1.302 + _CharT __c = _Traits::to_char_type(__c1);
1.303 +
1.304 + if (isspace((unsigned char) __c)) {
1.305 + if (__buf->sputbackc(__c) == EOF)
1.306 + __is.clear(__is.rdstate() | ios::failbit);
1.307 + break;
1.308 + }
1.309 + else
1.310 + __s.push_back(__c);
1.311 + }
1.312 + }
1.313 +
1.314 + // If we have read no characters, then set failbit.
1.315 + if (__s.size() == 0)
1.316 + __is.clear(__is.rdstate() | ios::failbit);
1.317 + }
1.318 +
1.319 + __is.width(0);
1.320 + }
1.321 + else // We have no streambuf.
1.322 + __is.clear(__is.rdstate() | ios::badbit);
1.323 +
1.324 + return __is;
1.325 +}
1.326 +
1.327 +template <class _CharT, class _Traits, class _Alloc>
1.328 +_ISTREAM_DLL& _STLP_CALL getline(_ISTREAM_DLL& __is,
1.329 + basic_string<_CharT,_Traits,_Alloc>& __s,
1.330 + _CharT __delim)
1.331 +{
1.332 + _STLP_USING_IO
1.333 + streambuf* __buf = __is.rdbuf();
1.334 + if (__buf) {
1.335 + size_t __nread = 0;
1.336 + if (__is) {
1.337 + __s.clear();
1.338 +
1.339 + while (__nread < __s.max_size()) {
1.340 + int __c1 = __buf->sbumpc();
1.341 + if (__c1 == EOF) {
1.342 + __is.clear(__is.rdstate() | ios::eofbit);
1.343 + break;
1.344 + }
1.345 + else {
1.346 + ++__nread;
1.347 + _CharT __c = _Traits::to_char_type(__c1);
1.348 + if (!_Traits::eq(__c, __delim))
1.349 + __s.push_back(__c);
1.350 + else
1.351 + break; // Character is extracted but not appended.
1.352 + }
1.353 + }
1.354 + }
1.355 +
1.356 + if (__nread == 0 || __nread >= __s.max_size())
1.357 + __is.clear(__is.rdstate() | ios::failbit);
1.358 + }
1.359 + else
1.360 + __is.clear(__is.rdstate() | ios::badbit);
1.361 +
1.362 + return __is;
1.363 +}
1.364 +
1.365 +# endif /* _STLP_NEW_IOSTREAMS */
1.366 +
1.367 +_STLP_END_NAMESPACE
1.368 +
1.369 +// # undef _STLP_USING_IO
1.370 +# undef basic_string
1.371 +
1.372 +#endif