1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/stlport/stl/_ostream.c Wed Mar 31 12:33:34 2010 +0100
1.3 @@ -0,0 +1,425 @@
1.4 +/*
1.5 + * © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved.
1.6 + *
1.7 + * Copyright (c) 1999
1.8 + * Silicon Graphics Computer Systems, Inc.
1.9 + *
1.10 + * Copyright (c) 1999
1.11 + * Boris Fomitchev
1.12 + *
1.13 + * This material is provided "as is", with absolutely no warranty expressed
1.14 + * or implied. Any use is at your own risk.
1.15 + *
1.16 + * Permission to use or copy this software for any purpose is hereby granted
1.17 + * without fee, provided the above notices are retained on all copies.
1.18 + * Permission to modify the code and to distribute modified code is granted,
1.19 + * provided the above notices are retained, and a notice that the code was
1.20 + * modified is included with the above copyright notice.
1.21 + *
1.22 + */
1.23 +#ifndef _STLP_OSTREAM_C
1.24 +#define _STLP_OSTREAM_C
1.25 +
1.26 +
1.27 +#ifndef _STLP_INTERNAL_OSTREAM_H
1.28 +# include <stl/_ostream.h>
1.29 +#endif
1.30 +
1.31 +#if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION)
1.32 +
1.33 +#if !defined (_STLP_INTERNAL_NUM_PUT_H)
1.34 +# include <stl/_num_put.h> // For basic_streambuf and iterators
1.35 +#endif
1.36 +
1.37 +_STLP_BEGIN_NAMESPACE
1.38 +
1.39 +// Helper functions for istream<>::sentry constructor.
1.40 +template <class _CharT, class _Traits>
1.41 +bool
1.42 +_M_init(basic_ostream<_CharT, _Traits>& __str) {
1.43 + if (__str.good()) {
1.44 + // boris : check if this is needed !
1.45 + if (!__str.rdbuf())
1.46 + __str.setstate(ios_base::badbit);
1.47 + if (__str.tie())
1.48 + __str.tie()->flush();
1.49 + return __str.good();
1.50 + } else
1.51 + return false;
1.52 +}
1.53 +
1.54 +//----------------------------------------------------------------------
1.55 +// Definitions of non-inline member functions.
1.56 +
1.57 +// Constructor, destructor
1.58 +
1.59 +template <class _CharT, class _Traits>
1.60 +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>
1.61 + ::basic_ostream(basic_streambuf<_CharT, _Traits>* __buf)
1.62 + : basic_ios<_CharT, _Traits>()
1.63 +{
1.64 + this->init(__buf);
1.65 +}
1.66 +
1.67 +template <class _CharT, class _Traits>
1.68 +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>::~basic_ostream()
1.69 +{}
1.70 +
1.71 +// Output directly from a streambuf.
1.72 +template <class _CharT, class _Traits>
1.73 +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
1.74 +basic_ostream<_CharT, _Traits>::operator<<(basic_streambuf<_CharT, _Traits>* __from)
1.75 +{
1.76 + sentry __sentry(*this);
1.77 + if (__sentry) {
1.78 + if (__from) {
1.79 + bool __any_inserted = __from->gptr() != __from->egptr()
1.80 + ? this->_M_copy_buffered(__from, this->rdbuf())
1.81 + : this->_M_copy_unbuffered(__from, this->rdbuf());
1.82 + if (!__any_inserted)
1.83 + this->setstate(ios_base::failbit);
1.84 + }
1.85 + else
1.86 + this->setstate(ios_base::badbit);
1.87 + }
1.88 +
1.89 + return *this;
1.90 +}
1.91 +
1.92 +// Helper functions for the streambuf version of operator<<. The
1.93 +// exception-handling code is complicated because exceptions thrown
1.94 +// while extracting characters are treated differently than exceptions
1.95 +// thrown while inserting characters.
1.96 +
1.97 +template <class _CharT, class _Traits>
1.98 +bool basic_ostream<_CharT, _Traits>
1.99 + ::_M_copy_buffered(basic_streambuf<_CharT, _Traits>* __from,
1.100 + basic_streambuf<_CharT, _Traits>* __to)
1.101 +{
1.102 + bool __any_inserted = false;
1.103 +
1.104 + while (__from->egptr() != __from->gptr()) {
1.105 + const ptrdiff_t __avail = __from->egptr() - __from->gptr();
1.106 +
1.107 + streamsize __nwritten;
1.108 + _STLP_TRY {
1.109 + __nwritten = __to->sputn(__from->gptr(), __avail);
1.110 + __from->gbump((int)__nwritten);
1.111 + }
1.112 + _STLP_CATCH_ALL {
1.113 + this->_M_handle_exception(ios_base::badbit);
1.114 + return __any_inserted;
1.115 + }
1.116 +
1.117 + if (__nwritten == __avail) {
1.118 + _STLP_TRY {
1.119 + if (this->_S_eof(__from->sgetc()))
1.120 + return true;
1.121 + else
1.122 + __any_inserted = true;
1.123 + }
1.124 + _STLP_CATCH_ALL {
1.125 + this->_M_handle_exception(ios_base::failbit);
1.126 + return false;
1.127 + }
1.128 + }
1.129 +
1.130 + else if (__nwritten != 0)
1.131 + return true;
1.132 +
1.133 + else
1.134 + return __any_inserted;
1.135 + }
1.136 +
1.137 + // No characters are in the buffer, but we aren't at EOF. Switch to
1.138 + // unbuffered mode.
1.139 + return __any_inserted || this->_M_copy_unbuffered(__from, __to);
1.140 +}
1.141 +
1.142 +template <class _CharT, class _Traits>
1.143 +bool basic_ostream<_CharT, _Traits>
1.144 + ::_M_copy_unbuffered(basic_streambuf<_CharT, _Traits>* __from,
1.145 + basic_streambuf<_CharT, _Traits>* __to)
1.146 +{
1.147 + bool __any_inserted = false;
1.148 +
1.149 +#ifdef __SYMBIAN32__
1.150 + int_type __c;
1.151 + _STLP_TRY {
1.152 + __c = __from->sgetc();;
1.153 + }
1.154 + _STLP_CATCH_ALL {
1.155 + this->_M_handle_exception(ios_base::failbit);
1.156 + return __any_inserted;
1.157 + }
1.158 + for(;;){
1.159 +
1.160 + if (this->_S_eof(__c))
1.161 + return __any_inserted;
1.162 +
1.163 + else {
1.164 + int_type __tmp;
1.165 + _STLP_TRY {
1.166 + __tmp = __to->sputc(__c);
1.167 + }
1.168 + _STLP_CATCH_ALL {
1.169 + this->_M_handle_exception(ios_base::badbit);
1.170 + return __any_inserted;
1.171 + }
1.172 +
1.173 + if (this->_S_eof(__tmp)) {
1.174 + break;
1.175 + }
1.176 + else
1.177 + __any_inserted = true;
1.178 + }
1.179 + _STLP_TRY {
1.180 + __c = __from->snextc();
1.181 + }
1.182 + _STLP_CATCH_ALL {
1.183 + this->_M_handle_exception(ios_base::failbit);
1.184 + return __any_inserted;
1.185 + }
1.186 + }
1.187 +#else
1.188 + while (true) {
1.189 + int_type __c;
1.190 + _STLP_TRY {
1.191 + __c = __from->sbumpc();
1.192 + }
1.193 + _STLP_CATCH_ALL {
1.194 + this->_M_handle_exception(ios_base::failbit);
1.195 + return __any_inserted;
1.196 + }
1.197 +
1.198 + if (this->_S_eof(__c))
1.199 + return __any_inserted;
1.200 +
1.201 + else {
1.202 + int_type __tmp;
1.203 + _STLP_TRY {
1.204 + __tmp = __to->sputc(__c);
1.205 + }
1.206 + _STLP_CATCH_ALL {
1.207 + this->_M_handle_exception(ios_base::badbit);
1.208 + return __any_inserted;
1.209 + }
1.210 +
1.211 + if (this->_S_eof(__tmp)) {
1.212 + _STLP_TRY {
1.213 + /* __tmp = */ __from->sputbackc(__c);
1.214 + }
1.215 + _STLP_CATCH_ALL {
1.216 + this->_M_handle_exception(ios_base::badbit);
1.217 + return __any_inserted;
1.218 + }
1.219 + }
1.220 + else
1.221 + __any_inserted = true;
1.222 + }
1.223 + }
1.224 +#endif
1.225 + return __any_inserted;
1.226 +}
1.227 +
1.228 +// Helper function for numeric output.
1.229 +
1.230 +template <class _CharT, class _Traits, class _Number>
1.231 +basic_ostream<_CharT, _Traits>& _STLP_CALL
1.232 +_M_put_num(basic_ostream<_CharT, _Traits>& __os, _Number __x)
1.233 +{
1.234 + typedef typename basic_ostream<_CharT, _Traits>::sentry _Sentry;
1.235 + _Sentry __sentry(__os);
1.236 + bool __failed = true;
1.237 +
1.238 + if (__sentry) {
1.239 + _STLP_TRY {
1.240 + typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> > _NumPut;
1.241 + __failed = (use_facet<_NumPut>(__os.getloc())).put(
1.242 + ostreambuf_iterator<_CharT, _Traits>(__os.rdbuf()),
1.243 + __os, __os.fill(),
1.244 + __x).failed();
1.245 + }
1.246 + _STLP_CATCH_ALL {
1.247 + __os._M_handle_exception(ios_base::badbit);
1.248 + }
1.249 + }
1.250 + if (__failed)
1.251 + __os.setstate(ios_base::badbit);
1.252 + return __os;
1.253 +}
1.254 +
1.255 +# if defined (_STLP_USE_TEMPLATE_EXPORT) && defined (__BUILDING_STLPORT)
1.256 +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
1.257 +_M_put_num(basic_ostream<char, char_traits<char> >&, unsigned long);
1.258 +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
1.259 +_M_put_num(basic_ostream<char, char_traits<char> >&, long);
1.260 +# if defined (_STLP_LONG_LONG)
1.261 +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
1.262 +_M_put_num(basic_ostream<char, char_traits<char> >&, unsigned _STLP_LONG_LONG);
1.263 +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
1.264 +_M_put_num(basic_ostream<char, char_traits<char> >&, _STLP_LONG_LONG );
1.265 +# endif
1.266 +# endif
1.267 +
1.268 +template <class _CharT, class _Traits>
1.269 +void basic_ostream<_CharT, _Traits>::_M_put_char(_CharT __c)
1.270 +{
1.271 + sentry __sentry(*this);
1.272 + if (__sentry) {
1.273 + bool __failed = true;
1.274 + _STLP_TRY {
1.275 + streamsize __npad = this->width() > 0 ? this->width() - 1 : 0;
1.276 + // if (__npad <= 1)
1.277 + if (__npad == 0)
1.278 + __failed = this->_S_eof(this->rdbuf()->sputc(__c));
1.279 + else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
1.280 + __failed = this->_S_eof(this->rdbuf()->sputc(__c));
1.281 + __failed = __failed ||
1.282 + this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
1.283 + }
1.284 + else {
1.285 + __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
1.286 + __failed = __failed || this->_S_eof(this->rdbuf()->sputc(__c));
1.287 + }
1.288 +
1.289 + this->width(0);
1.290 + }
1.291 + _STLP_CATCH_ALL {
1.292 + this->_M_handle_exception(ios_base::badbit);
1.293 + }
1.294 +
1.295 + if (__failed)
1.296 + this->setstate(ios_base::badbit);
1.297 + }
1.298 +}
1.299 +
1.300 +template <class _CharT, class _Traits>
1.301 +void basic_ostream<_CharT, _Traits>::_M_put_nowiden(const _CharT* __s)
1.302 +{
1.303 + sentry __sentry(*this);
1.304 + if (__sentry) {
1.305 + bool __failed = true;
1.306 + streamsize __n = _Traits::length(__s);
1.307 + streamsize __npad = this->width() > __n ? this->width() - __n : 0;
1.308 +
1.309 + _STLP_TRY {
1.310 + if (__npad == 0)
1.311 + __failed = this->rdbuf()->sputn(__s, __n) != __n;
1.312 + else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
1.313 + __failed = this->rdbuf()->sputn(__s, __n) != __n;
1.314 + __failed = __failed ||
1.315 + this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
1.316 + }
1.317 + else {
1.318 + __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
1.319 + __failed = __failed || this->rdbuf()->sputn(__s, __n) != __n;
1.320 + }
1.321 +
1.322 + this->width(0);
1.323 + }
1.324 + _STLP_CATCH_ALL {
1.325 + this->_M_handle_exception(ios_base::badbit);
1.326 + }
1.327 +
1.328 + if (__failed)
1.329 + this->setstate(ios_base::failbit);
1.330 + }
1.331 +}
1.332 +
1.333 +template <class _CharT, class _Traits>
1.334 +void basic_ostream<_CharT, _Traits>::_M_put_widen(const char* __s)
1.335 +{
1.336 + sentry __sentry(*this);
1.337 + if (__sentry) {
1.338 + bool __failed = true;
1.339 + streamsize __n = char_traits<char>::length(__s);
1.340 + streamsize __npad = this->width() > __n ? this->width() - __n : 0;
1.341 +
1.342 + _STLP_TRY {
1.343 + if (__npad == 0)
1.344 + __failed = !this->_M_put_widen_aux(__s, __n);
1.345 + else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
1.346 + __failed = !this->_M_put_widen_aux(__s, __n);
1.347 + __failed = __failed ||
1.348 + this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
1.349 + }
1.350 + else {
1.351 + __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
1.352 + __failed = __failed || !this->_M_put_widen_aux(__s, __n);
1.353 + }
1.354 +
1.355 + this->width(0);
1.356 + }
1.357 + _STLP_CATCH_ALL {
1.358 + this->_M_handle_exception(ios_base::badbit);
1.359 + }
1.360 +
1.361 + if (__failed)
1.362 + this->setstate(ios_base::failbit);
1.363 + }
1.364 +}
1.365 +
1.366 +template <class _CharT, class _Traits>
1.367 +bool basic_ostream<_CharT, _Traits>::_M_put_widen_aux(const char* __s,
1.368 + streamsize __n)
1.369 +{
1.370 + basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
1.371 +
1.372 + for ( ; __n > 0 ; --__n)
1.373 + if (this->_S_eof(__buf->sputc(this->widen(*__s++))))
1.374 + return false;
1.375 + return true;
1.376 +}
1.377 +
1.378 +// Unformatted output of a single character.
1.379 +template <class _CharT, class _Traits>
1.380 +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
1.381 +basic_ostream<_CharT, _Traits>::put(char_type __c)
1.382 +{
1.383 + sentry __sentry(*this);
1.384 + bool __failed = true;
1.385 +
1.386 + if (__sentry) {
1.387 + _STLP_TRY {
1.388 + __failed = this->_S_eof(this->rdbuf()->sputc(__c));
1.389 + }
1.390 + _STLP_CATCH_ALL {
1.391 + this->_M_handle_exception(ios_base::badbit);
1.392 + }
1.393 + }
1.394 +
1.395 + if (__failed)
1.396 + this->setstate(ios_base::badbit);
1.397 +
1.398 + return *this;
1.399 +}
1.400 +
1.401 +// Unformatted output of a single character.
1.402 +template <class _CharT, class _Traits>
1.403 +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
1.404 +basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n)
1.405 +{
1.406 + sentry __sentry(*this);
1.407 + bool __failed = true;
1.408 +
1.409 + if (__sentry) {
1.410 + _STLP_TRY {
1.411 + __failed = this->rdbuf()->sputn(__s, __n) != __n;
1.412 + }
1.413 + _STLP_CATCH_ALL {
1.414 + this->_M_handle_exception(ios_base::badbit);
1.415 + }
1.416 + }
1.417 +
1.418 + if (__failed)
1.419 + this->setstate(ios_base::badbit);
1.420 +
1.421 + return *this;
1.422 +}
1.423 +
1.424 +_STLP_END_NAMESPACE
1.425 +
1.426 +#endif /* defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) */
1.427 +
1.428 +#endif /* _STLP_OSTREAM_C */