1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/stlportv5/stl/_sstream.c Wed Mar 31 12:27:01 2010 +0100
1.3 @@ -0,0 +1,671 @@
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 +#ifndef _STLP_SSTREAM_C
1.24 +#define _STLP_SSTREAM_C
1.25 +
1.26 +#ifndef _STLP_SSTREAM_H
1.27 +# include <stl/_sstream.h>
1.28 +#include <stl/_stdio_file.h>
1.29 +#endif
1.30 +
1.31 +# if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION)
1.32 +
1.33 +# if defined ( _STLP_NESTED_TYPE_PARAM_BUG )
1.34 +// no wint_t is supported for this mode
1.35 +# define __BSB_int_type__ int
1.36 +# define __BSB_pos_type__ streampos
1.37 +# else
1.38 +# define __BSB_int_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_stringbuf<_CharT, _Traits, _Alloc>::int_type
1.39 +# define __BSB_pos_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type
1.40 +# endif
1.41 +
1.42 +_STLP_BEGIN_NAMESPACE
1.43 +
1.44 +//----------------------------------------------------------------------
1.45 +// Non-inline stringbuf member functions.
1.46 +
1.47 +// Constructors. Note that the base class constructor sets all of the
1.48 +// get and area pointers to null.
1.49 +
1.50 +template <class _CharT, class _Traits, class _Alloc>
1.51 +_STLP_EXP_DECLSPEC basic_stringbuf<_CharT, _Traits, _Alloc>
1.52 + ::basic_stringbuf(ios_base::openmode __mode)
1.53 + : basic_streambuf<_CharT, _Traits>(), _M_mode(__mode), _M_str()
1.54 +{
1.55 +#ifdef __SYMBIAN32__
1.56 +if (_M_mode & ios_base::out) {
1.57 + if (_M_mode & (ios_base::app | ios_base::ate))
1.58 + //increment the streampos to reflect the current streampos while writing
1.59 + _M_str._M_stream_pos += _M_str.size();
1.60 +}
1.61 +#endif
1.62 +}
1.63 +
1.64 +template <class _CharT, class _Traits, class _Alloc>
1.65 +_STLP_EXP_DECLSPEC basic_stringbuf<_CharT, _Traits, _Alloc>
1.66 + ::basic_stringbuf(const basic_string<_CharT, _Traits, _Alloc>& __s, ios_base::openmode __mode)
1.67 + : basic_streambuf<_CharT, _Traits>(), _M_mode(__mode), _M_str(__s)
1.68 +{
1.69 +#ifdef __SYMBIAN32__
1.70 +if (_M_mode & ios_base::out) {
1.71 + if (_M_mode & (ios_base::app | ios_base::ate))
1.72 + //increment the streampos to reflect the current streampos while writing
1.73 + _M_str._M_stream_pos += _M_str.size();
1.74 +}
1.75 +#endif
1.76 + _M_set_ptrs();
1.77 +}
1.78 +
1.79 +template <class _CharT, class _Traits, class _Alloc>
1.80 +_STLP_EXP_DECLSPEC basic_stringbuf<_CharT, _Traits, _Alloc>::~basic_stringbuf()
1.81 +{}
1.82 +
1.83 +// Set the underlying string to a new value.
1.84 +template <class _CharT, class _Traits, class _Alloc>
1.85 +_STLP_EXP_DECLSPEC void
1.86 +basic_stringbuf<_CharT, _Traits, _Alloc>::str(const basic_string<_CharT, _Traits, _Alloc>& __s)
1.87 +{
1.88 + _M_str = __s;
1.89 + _M_set_ptrs();
1.90 +}
1.91 +
1.92 +template <class _CharT, class _Traits, class _Alloc>
1.93 +void
1.94 +basic_stringbuf<_CharT, _Traits, _Alloc>::_M_set_ptrs() {
1.95 + _CharT* __data_ptr = __CONST_CAST(_CharT*,_M_str.data());
1.96 + _CharT* __data_end = __data_ptr + _M_str.size();
1.97 + // The initial read position is the beginning of the string.
1.98 + if (_M_mode & ios_base::in) {
1.99 + if (_M_mode & ios_base::ate)
1.100 + this->setg(__data_ptr, __data_end, __data_end);
1.101 + else
1.102 + this->setg(__data_ptr, __data_ptr, __data_end);
1.103 + }
1.104 +
1.105 + // The initial write position is the beginning of the string.
1.106 + if (_M_mode & ios_base::out) {
1.107 + if (_M_mode & (ios_base::app | ios_base::ate))
1.108 + this->setp(__data_end, __data_end);
1.109 + else
1.110 + this->setp(__data_ptr, __data_end);
1.111 + }
1.112 +}
1.113 +
1.114 +// Precondition: gptr() >= egptr(). Returns a character, if one is available.
1.115 +template <class _CharT, class _Traits, class _Alloc>
1.116 +_STLP_EXP_DECLSPEC __BSB_int_type__
1.117 +basic_stringbuf<_CharT, _Traits, _Alloc>::underflow()
1.118 +{
1.119 + return this->gptr() != this->egptr()
1.120 + ? _Traits::to_int_type(*this->gptr())
1.121 + : _Traits::eof();
1.122 +}
1.123 +
1.124 +// Precondition: gptr() >= egptr().
1.125 +template <class _CharT, class _Traits, class _Alloc>
1.126 +_STLP_EXP_DECLSPEC __BSB_int_type__
1.127 +basic_stringbuf<_CharT, _Traits, _Alloc>::uflow()
1.128 +{
1.129 + if (this->gptr() != this->egptr()) {
1.130 + int_type __c = _Traits::to_int_type(*this->gptr());
1.131 + this->gbump(1);
1.132 + return __c;
1.133 + }
1.134 + else
1.135 + return _Traits::eof();
1.136 +}
1.137 +
1.138 +template <class _CharT, class _Traits, class _Alloc>
1.139 +_STLP_EXP_DECLSPEC __BSB_int_type__
1.140 +basic_stringbuf<_CharT, _Traits, _Alloc>::pbackfail(int_type __c)
1.141 +{
1.142 + if (this->gptr() != this->eback()) {
1.143 + if (!_Traits::eq_int_type(__c, _Traits::eof())) {
1.144 +
1.145 +if (_Traits::eq(_Traits::to_char_type(__c), this->gptr()[-1])
1.146 + || _M_mode == (ios_base::in | ios_base::out)) {
1.147 + this->gbump(-1);
1.148 + *this->gptr() = _Traits::to_char_type(__c);
1.149 + return _Traits::not_eof(__c);
1.150 + }
1.151 + else{
1.152 + return _Traits::eof();
1.153 + }
1.154 + }
1.155 + else {
1.156 + this->gbump(-1);
1.157 + return _Traits::not_eof(__c);
1.158 + }
1.159 + }
1.160 + else
1.161 + return _Traits::eof();
1.162 +}
1.163 +
1.164 +template <class _CharT, class _Traits, class _Alloc>
1.165 +_STLP_EXP_DECLSPEC __BSB_int_type__
1.166 +basic_stringbuf<_CharT, _Traits, _Alloc>::overflow(int_type __c)
1.167 +{
1.168 + // fbp : reverse order of "ifs" to pass Dietmar's test.
1.169 + // Apparently, standard allows overflow with eof even for read-only streams.
1.170 + if (!_Traits::eq_int_type(__c, _Traits::eof())) {
1.171 + if (_M_mode & ios_base::out) {
1.172 + if (!(_M_mode & ios_base::in)) {
1.173 + // It's a write-only streambuf, so we can use special append buffer.
1.174 + if (this->pptr() == this->epptr())
1.175 + this->_M_append_buffer();
1.176 +
1.177 + if (this->pptr() != this->epptr()) {
1.178 + *this->pptr() = _Traits::to_char_type(__c);
1.179 + this->pbump(1);
1.180 + return __c;
1.181 + }
1.182 + else
1.183 + return _Traits::eof();
1.184 + }
1.185 +
1.186 + else {
1.187 + // We're not using a special append buffer, just the string itself.
1.188 + if (this->pptr() == this->epptr()) {
1.189 + ptrdiff_t __offset = this->gptr() - this->eback();
1.190 + _M_str.push_back(_Traits::to_char_type(__c));
1.191 +
1.192 + _CharT* __data_ptr = __CONST_CAST(_CharT*,_M_str.data());
1.193 + size_t __data_size = _M_str.size();
1.194 +
1.195 + this->setg(__data_ptr, __data_ptr + __offset, __data_ptr+__data_size);
1.196 + this->setp(__data_ptr, __data_ptr + __data_size);
1.197 + this->pbump((int)__data_size);
1.198 + return __c;
1.199 + }
1.200 + else {
1.201 + *this->pptr() = _Traits::to_char_type(__c);
1.202 + this->pbump(1);
1.203 + return __c;
1.204 + }
1.205 + }
1.206 + }
1.207 + else // Overflow always fails if it's read-only
1.208 + return _Traits::eof();
1.209 + }
1.210 + else // __c is EOF, so we don't have to do anything
1.211 + return _Traits::not_eof(__c);
1.212 +}
1.213 +
1.214 +template <class _CharT, class _Traits, class _Alloc>
1.215 +_STLP_EXP_DECLSPEC streamsize
1.216 +basic_stringbuf<_CharT, _Traits, _Alloc>::xsputn(const char_type* __s,
1.217 + streamsize __n)
1.218 +{
1.219 + streamsize __nwritten = 0;
1.220 +
1.221 + if ((_M_mode & ios_base::out) && __n > 0) {
1.222 + // If the put pointer is somewhere in the middle of the string,
1.223 + // then overwrite instead of append.
1.224 + if (this->pbase() == _M_str.data() ) {
1.225 + ptrdiff_t __avail = _M_str.data() + _M_str.size() - this->pptr();
1.226 + if (__avail > __n) {
1.227 + _Traits::copy(this->pptr(), __s, __n);
1.228 + this->pbump((int)__n);
1.229 +#ifdef __SYMBIAN32__
1.230 + // _M_str._M_stream_pos += __n; //increment streampos to number of characters in stream
1.231 +#endif
1.232 + return __n;
1.233 + }
1.234 + else {
1.235 + _Traits::copy(this->pptr(), __s, __avail);
1.236 + __nwritten += __avail;
1.237 + __n -= __avail;
1.238 + __s += __avail;
1.239 +#ifdef __SYMBIAN32__
1.240 + // _M_str._M_stream_pos += __avail;//increment streampos to number of characters in stream
1.241 +#endif
1.242 + this->setp(_M_Buf, _M_Buf + __STATIC_CAST(int,_S_BufSiz));
1.243 + }
1.244 + }
1.245 +
1.246 + // At this point we know we're appending.
1.247 + if (_M_mode & ios_base::in) {
1.248 + ptrdiff_t __get_offset = this->gptr() - this->eback();
1.249 + _M_str.append(__s, __s + __n);
1.250 +
1.251 + _CharT* __data_ptr = __CONST_CAST(_CharT*,_M_str.data());
1.252 + size_t __data_size = _M_str.size();
1.253 +
1.254 + this->setg(__data_ptr, __data_ptr + __get_offset, __data_ptr+__data_size);
1.255 + this->setp(__data_ptr, __data_ptr + __data_size);
1.256 + this->pbump((int)__data_size);
1.257 + }
1.258 + else {
1.259 + _M_append_buffer();
1.260 +#ifdef __SYMBIAN32__
1.261 + if (_M_str._M_stream_pos >= 0
1.262 + && (_M_str._M_stream_pos < _M_str.size())) {
1.263 + if((_M_str.size() - _M_str._M_stream_pos) >= __n)
1.264 + _M_str.replace(_M_str._M_stream_pos, __n, __s);
1.265 + else
1.266 + {
1.267 + _M_str.replace(_M_str._M_stream_pos, (_M_str.size() - _M_str._M_stream_pos), __s);
1.268 + _M_str.append(__s + (__n - (_M_str.size() - _M_str._M_stream_pos)), __s + __n);
1.269 + }
1.270 + } else {
1.271 + _M_str.append(__s, __s + __n);
1.272 + }
1.273 + _M_str._M_stream_pos += __n;
1.274 +#else //__SYMBIAN32__
1.275 + _M_str.append(__s, __s + __n);
1.276 +#endif // __SYMBIAN32__
1.277 + }
1.278 + __nwritten += __n;
1.279 + }
1.280 +
1.281 + return __nwritten;
1.282 +}
1.283 +
1.284 +template <class _CharT, class _Traits, class _Alloc>
1.285 +streamsize
1.286 +basic_stringbuf<_CharT, _Traits, _Alloc>::_M_xsputnc(char_type __c,
1.287 + streamsize __n)
1.288 +{
1.289 + streamsize __nwritten = 0;
1.290 +
1.291 + if ((_M_mode & ios_base::out) && __n > 0) {
1.292 + // If the put pointer is somewhere in the middle of the string,
1.293 + // then overwrite instead of append.
1.294 + if (this->pbase() == _M_str.data()) {
1.295 + ptrdiff_t __avail = _M_str.data() + _M_str.size() - this->pptr();
1.296 + if (__avail > __n) {
1.297 + _Traits::assign(this->pptr(), __n, __c);
1.298 + this->pbump((int)__n);
1.299 + return __n;
1.300 + }
1.301 + else {
1.302 + _Traits::assign(this->pptr(), __avail, __c);
1.303 + __nwritten += __avail;
1.304 + __n -= __avail;
1.305 + this->setp(_M_Buf, _M_Buf + __STATIC_CAST(int,_S_BufSiz));
1.306 + }
1.307 + }
1.308 +
1.309 + // At this point we know we're appending.
1.310 + if (this->_M_mode & ios_base::in) {
1.311 + ptrdiff_t __get_offset = this->gptr() - this->eback();
1.312 + _M_str.append(__n, __c);
1.313 +
1.314 + _CharT* __data_ptr = __CONST_CAST(_CharT*,_M_str.data());
1.315 + size_t __data_size = _M_str.size();
1.316 +
1.317 + this->setg(__data_ptr, __data_ptr + __get_offset, __data_ptr+__data_size);
1.318 + this->setp(__data_ptr, __data_ptr + __data_size);
1.319 + this->pbump((int)__data_size);
1.320 +
1.321 + }
1.322 + else {
1.323 + _M_append_buffer();
1.324 +// _M_str.append(__n, __c);
1.325 +#ifdef __SYMBIAN32__
1.326 + if (_M_str._M_stream_pos >= 0
1.327 + && (_M_str._M_stream_pos < _M_str.size())) {
1.328 + if((_M_str.size() - _M_str._M_stream_pos) >= __n)
1.329 + _M_str.replace(_M_str._M_stream_pos,__n, __n, __c);
1.330 + else
1.331 + {
1.332 + _M_str.replace(_M_str._M_stream_pos, (_M_str.size() - _M_str._M_stream_pos), (_M_str.size() - _M_str._M_stream_pos), __c);
1.333 + _M_str.append(__n, __c);
1.334 + }
1.335 + } else {
1.336 + _M_str.append(__n, __c);
1.337 + }
1.338 + _M_str._M_stream_pos += __n;
1.339 +#else //__SYMBIAN32__
1.340 + _M_str.append(__n, __c);
1.341 +#endif // __SYMBIAN32__
1.342 + }
1.343 +
1.344 + __nwritten += __n;
1.345 + }
1.346 +
1.347 + return __nwritten;
1.348 +}
1.349 +
1.350 +// According to the C++ standard the effects of setbuf are implementation
1.351 +// defined, except that setbuf(0, 0) has no effect. In this implementation,
1.352 +// setbuf(<anything>, n), for n > 0, calls reserve(n) on the underlying
1.353 +// string.
1.354 +template <class _CharT, class _Traits, class _Alloc>
1.355 +_STLP_EXP_DECLSPEC basic_streambuf<_CharT, _Traits>*
1.356 +#ifdef __SYMBIAN32__
1.357 +basic_stringbuf<_CharT, _Traits, _Alloc>::setbuf(_CharT* __s, streamsize __n)
1.358 +#else
1.359 +basic_stringbuf<_CharT, _Traits, _Alloc>::setbuf(_CharT*, streamsize __n)
1.360 +#endif //__SYMBIAN32__
1.361 +{
1.362 + if (__n > 0) {
1.363 + bool __do_get_area = false;
1.364 + bool __do_put_area = false;
1.365 + ptrdiff_t __offg = 0;
1.366 + ptrdiff_t __offp = 0;
1.367 +
1.368 + if (this->pbase() == _M_str.data()) {
1.369 + __do_put_area = true;
1.370 + __offp = this->pptr() - this->pbase();
1.371 + }
1.372 +
1.373 + if (this->eback() == _M_str.data()) {
1.374 + __do_get_area = true;
1.375 + __offg = this->gptr() - this->eback();
1.376 + }
1.377 +
1.378 + if ((_M_mode & ios_base::out) && !(_M_mode & ios_base::in))
1.379 + _M_append_buffer();
1.380 +
1.381 + _M_str.reserve(__n);
1.382 +
1.383 + _CharT* __data_ptr = __CONST_CAST(_CharT*,_M_str.data());
1.384 +#ifdef __SYMBIAN32__
1.385 + size_t __data_size = __n;
1.386 + memmove(__data_ptr, __s, __n*sizeof(_CharT));
1.387 + _M_str._M_start = __data_ptr;
1.388 + _M_str._M_finish = __data_ptr+__n;
1.389 +#else
1.390 + size_t __data_size = _M_str.size();
1.391 +#endif //__SYMBIAN32__
1.392 +
1.393 + if (__do_get_area) {
1.394 +#ifdef __SYMBIAN32__
1.395 + this->setg(__data_ptr, __data_ptr, __data_ptr+__data_size);
1.396 +#else
1.397 + this->setg(__data_ptr, __data_ptr + __offg, __data_ptr+__data_size);
1.398 +#endif //__SYMBIAN32__
1.399 + }
1.400 +
1.401 + if (__do_put_area) {
1.402 + this->setp(__data_ptr, __data_ptr+__data_size);
1.403 +#ifndef __SYMBIAN32__
1.404 + this->pbump((int)__offp);
1.405 +#endif //__SYMBIAN32__
1.406 + }
1.407 + }
1.408 +
1.409 + return this;
1.410 +}
1.411 +
1.412 +template <class _CharT, class _Traits, class _Alloc>
1.413 +_STLP_EXP_DECLSPEC __BSB_pos_type__
1.414 +basic_stringbuf<_CharT, _Traits, _Alloc>::seekoff(off_type __off,
1.415 + ios_base::seekdir __dir,
1.416 + ios_base::openmode __mode)
1.417 +{
1.418 + bool __stl_in = false;
1.419 + bool __stl_out = false;
1.420 +
1.421 + if ((__mode & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) ) {
1.422 + if (__dir == ios_base::beg || __dir == ios_base::end)
1.423 + __stl_in = __stl_out = true;
1.424 + }
1.425 + else if (__mode & ios_base::in)
1.426 + __stl_in = true;
1.427 + else if (__mode & ios_base::out)
1.428 + __stl_out = true;
1.429 +
1.430 + if (!__stl_in && !__stl_out)
1.431 + return pos_type(off_type(-1));
1.432 + else if ((__stl_in && (!(_M_mode & ios_base::in) || this->gptr() == 0)) ||
1.433 + (__stl_out && (!(_M_mode & ios_base::out) || this->pptr() == 0)))
1.434 + return pos_type(off_type(-1));
1.435 +
1.436 +#ifdef __SYMBIAN32__
1.437 + if (_M_mode & ios_base::out)
1.438 +#else
1.439 + if ((_M_mode & ios_base::out) && !(_M_mode & ios_base::in))
1.440 +#endif
1.441 + _M_append_buffer();
1.442 +
1.443 + streamoff __newoff;
1.444 + switch(__dir) {
1.445 + case ios_base::beg:
1.446 + __newoff = 0;
1.447 + break;
1.448 + case ios_base::end:
1.449 + __newoff = _M_str.size();
1.450 + break;
1.451 + case ios_base::cur:
1.452 + __newoff = __stl_in ? this->gptr() - this->eback()
1.453 +#ifdef __SYMBIAN32__
1.454 + : ((this->pbase() != this->_M_str) ? _M_str._M_stream_pos
1.455 + : this->pptr() - this->pbase());
1.456 +#else
1.457 + : this->pptr() - this->pbase();
1.458 +#endif //__SYMBIAN32__
1.459 + break;
1.460 + default:
1.461 + return pos_type(off_type(-1));
1.462 + }
1.463 +
1.464 + __off += __newoff;
1.465 +
1.466 + if (__stl_in) {
1.467 + ptrdiff_t __n = this->egptr() - this->eback();
1.468 +
1.469 + if (__off < 0 || __off > __n)
1.470 + return pos_type(off_type(-1));
1.471 + else
1.472 + this->setg(this->eback(), this->eback() + __off, this->eback() + __n);
1.473 + }
1.474 +
1.475 + if (__stl_out) {
1.476 + ptrdiff_t __n;
1.477 +#ifdef __SYMBIAN32__
1.478 + //if (this->pbase() != this->_M_str) {
1.479 + void* __data_ptr1 = reinterpret_cast<void*>(this->pbase());
1.480 + _CharT* __data_ptr2 = __CONST_CAST(_CharT*,this->_M_str.data());
1.481 +
1.482 + if (__data_ptr1 != __data_ptr2) {
1.483 + __n = _M_str.size();
1.484 + } else {
1.485 +#endif // __SYMBIAN32__
1.486 + __n = this->epptr() - this->pbase();
1.487 +#ifdef __SYMBIAN32__
1.488 + }
1.489 +#endif //__SYMBIAN32__
1.490 + if (__off < 0 || __off > __n)
1.491 + return pos_type(off_type(-1));
1.492 + else {
1.493 +#ifdef __SYMBIAN32__
1.494 + void* __data_ptr1 = reinterpret_cast<void*>(this->pbase());
1.495 + _CharT* __data_ptr2 = __CONST_CAST(_CharT*,this->_M_str.data());
1.496 +
1.497 + if (__data_ptr1 != __data_ptr2) {
1.498 + _M_str._M_stream_pos = __off;
1.499 + } else {
1.500 +#endif //__SYMBIAN32__
1.501 + this->setp(this->pbase(), this->pbase() + __n);
1.502 + this->pbump((int)__off);
1.503 +#ifdef __SYMBIAN32__
1.504 + }
1.505 +#endif // __SYMBIAN32__
1.506 + }
1.507 + }
1.508 +
1.509 + return pos_type(__off);
1.510 +}
1.511 +
1.512 +template <class _CharT, class _Traits, class _Alloc>
1.513 +_STLP_EXP_DECLSPEC __BSB_pos_type__
1.514 +basic_stringbuf<_CharT, _Traits, _Alloc>
1.515 + ::seekpos(pos_type __pos, ios_base::openmode __mode)
1.516 +{
1.517 + bool __stl_in = (__mode & ios_base::in) != 0;
1.518 + bool __stl_out = (__mode & ios_base::out) != 0;
1.519 +
1.520 + if ((__stl_in && (!(_M_mode & ios_base::in) || this->gptr() == 0)) ||
1.521 + (__stl_out && (!(_M_mode & ios_base::out) || this->pptr() == 0)) ||
1.522 + (!__stl_in && !__stl_out))
1.523 + return pos_type(off_type(-1));
1.524 +
1.525 + const off_type __n = __pos - pos_type(off_type(0));
1.526 + if ((_M_mode & ios_base::out) && !(_M_mode & ios_base::in))
1.527 + _M_append_buffer();
1.528 +
1.529 + if (__stl_in) {
1.530 + if (__n < 0 || __n > this->egptr() - this->eback())
1.531 + return pos_type(off_type(-1));
1.532 + this->setg(this->eback(), this->eback() + __n, this->egptr());
1.533 + }
1.534 +
1.535 + if (__stl_out) {
1.536 + if (__n < 0 || size_t(__n) > _M_str.size())
1.537 + return pos_type(off_type(-1));
1.538 +
1.539 + _CharT* __data_ptr = __CONST_CAST(_CharT*,_M_str.data());
1.540 + size_t __data_size = _M_str.size();
1.541 +
1.542 + this->setp(__data_ptr, __data_ptr+__data_size);
1.543 + this->pbump((int)__n);
1.544 + }
1.545 +
1.546 + return __pos;
1.547 +}
1.548 +
1.549 +// This is declared as a const member function because it is
1.550 +// called by basic_stringbuf<>::str(). Precondition: this is a
1.551 +// write-only stringbuf. We can't use an output buffer for read-
1.552 +// write stringbufs. Postcondition: pptr is reset to the beginning
1.553 +// of the buffer.
1.554 +template <class _CharT, class _Traits, class _Alloc>
1.555 +void basic_stringbuf<_CharT, _Traits, _Alloc>::_M_append_buffer() const
1.556 +
1.557 +{
1.558 + // Do we have a buffer to append?
1.559 + if (this->pbase() == this->_M_Buf && this->pptr() != this->_M_Buf) {
1.560 + basic_stringbuf<_CharT, _Traits, _Alloc>* __this = __CONST_CAST(_Self*,this);
1.561 +#ifdef __SYMBIAN32__
1.562 + size_t __n = this->pptr() - this->pbase();
1.563 + if (__this->_M_str._M_stream_pos >= 0
1.564 + && (__this->_M_str._M_stream_pos != __this->_M_str.size())) {
1.565 + {
1.566 + *(this->pptr()) = (_CharT)0;
1.567 +#ifdef __SYMBIAN32__
1.568 + __this->_M_str.replace(_M_str._M_stream_pos, __n, (const _CharT*)this->pbase(), (const _CharT*)this->pptr()-(const _CharT*)this->pbase());
1.569 +#else
1.570 + __this->_M_str.replace(_M_str._M_stream_pos, __n, (const _CharT*)this->pbase());
1.571 +
1.572 +#endif
1.573 + }
1.574 + } else {
1.575 + __this->_M_str.append((const _CharT*)this->pbase(), (const _CharT*)this->pptr());
1.576 + }
1.577 + __this->_M_str._M_stream_pos += __n;
1.578 +#else // __SYMBAIN32__
1.579 + __this->_M_str.append((const _CharT*)this->pbase(), (const _CharT*)this->pptr());
1.580 +#endif // __SYMBIAN32__
1.581 + __this->setp(__CONST_CAST(_CharT*,_M_Buf),
1.582 + __CONST_CAST(_CharT*,_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
1.583 + }
1.584 +
1.585 + // Have we run off the end of the string?
1.586 + else if (this->pptr() == this->epptr()) {
1.587 + basic_stringbuf<_CharT, _Traits, _Alloc>* __this = __CONST_CAST(_Self*,this);
1.588 + __this->setp(__CONST_CAST(_CharT*,_M_Buf),
1.589 + __CONST_CAST(_CharT*,_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
1.590 + __this->_M_str._M_stream_pos = __this->_M_str._M_finish - __this->_M_str._M_start;
1.591 + }
1.592 +}
1.593 +
1.594 +//----------------------------------------------------------------------
1.595 +// Non-inline istringstream member functions.
1.596 +
1.597 +template <class _CharT, class _Traits, class _Alloc>
1.598 +basic_istringstream<_CharT, _Traits, _Alloc>
1.599 + ::basic_istringstream(ios_base::openmode __mode)
1.600 + : basic_istream<_CharT, _Traits>(0),
1.601 + _M_buf(__mode | ios_base::in)
1.602 +{
1.603 + this->init(&_M_buf);
1.604 +}
1.605 +
1.606 +template <class _CharT, class _Traits, class _Alloc>
1.607 +basic_istringstream<_CharT, _Traits, _Alloc>
1.608 + ::basic_istringstream(const _String& __str,ios_base::openmode __mode)
1.609 + : basic_istream<_CharT, _Traits>(0),
1.610 + _M_buf(__str, __mode | ios_base::in)
1.611 +{
1.612 + this->init(&_M_buf);
1.613 +}
1.614 +
1.615 +template <class _CharT, class _Traits, class _Alloc>
1.616 +basic_istringstream<_CharT, _Traits, _Alloc>::~basic_istringstream()
1.617 +{}
1.618 +
1.619 +//----------------------------------------------------------------------
1.620 +// Non-inline ostringstream member functions.
1.621 +
1.622 +template <class _CharT, class _Traits, class _Alloc>
1.623 +basic_ostringstream<_CharT, _Traits, _Alloc>
1.624 + ::basic_ostringstream(ios_base::openmode __mode)
1.625 + : basic_ostream<_CharT, _Traits>(0),
1.626 + _M_buf(__mode | ios_base::out)
1.627 +{
1.628 + this->init(&_M_buf);
1.629 +}
1.630 +
1.631 +template <class _CharT, class _Traits, class _Alloc>
1.632 +basic_ostringstream<_CharT, _Traits, _Alloc>
1.633 + ::basic_ostringstream(const _String& __str, ios_base::openmode __mode)
1.634 + : basic_ostream<_CharT, _Traits>(0),
1.635 + _M_buf(__str, __mode | ios_base::out)
1.636 +{
1.637 + this->init(&_M_buf);
1.638 +}
1.639 +
1.640 +template <class _CharT, class _Traits, class _Alloc>
1.641 +basic_ostringstream<_CharT, _Traits, _Alloc>::~basic_ostringstream()
1.642 +{}
1.643 +
1.644 +//----------------------------------------------------------------------
1.645 +// Non-inline stringstream member functions.
1.646 +
1.647 +template <class _CharT, class _Traits, class _Alloc>
1.648 +_STLP_EXP_DECLSPEC basic_stringstream<_CharT, _Traits, _Alloc>
1.649 + ::basic_stringstream(ios_base::openmode __mode)
1.650 + : basic_iostream<_CharT, _Traits>(0), _M_buf(__mode)
1.651 +{
1.652 + this->init(&_M_buf);
1.653 +}
1.654 +
1.655 +template <class _CharT, class _Traits, class _Alloc>
1.656 +_STLP_EXP_DECLSPEC basic_stringstream<_CharT, _Traits, _Alloc>
1.657 + ::basic_stringstream(const _String& __str, ios_base::openmode __mode)
1.658 + : basic_iostream<_CharT, _Traits>(0), _M_buf(__str, __mode)
1.659 +{
1.660 + this->init(&_M_buf);
1.661 +}
1.662 +
1.663 +template <class _CharT, class _Traits, class _Alloc>
1.664 +basic_stringstream<_CharT, _Traits, _Alloc>::~basic_stringstream()
1.665 +{}
1.666 +
1.667 +_STLP_END_NAMESPACE
1.668 +
1.669 +# undef __BSB_int_type__
1.670 +# undef __BSB_pos_type__
1.671 +
1.672 +# endif /* EXPOSE */
1.673 +
1.674 +#endif /* _STLP_SSTREAM_C */