1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/stlport/stl/_string_io.c Wed Mar 31 12:33:34 2010 +0100
1.3 @@ -0,0 +1,342 @@
1.4 +/* Portion Copyright © 2008-09 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. */
1.5 +
1.6 +
1.7 +#ifndef _STLP_STRING_IO_C
1.8 +#define _STLP_STRING_IO_C
1.9 +
1.10 +#ifndef _STLP_STRING_IO_H
1.11 +# include <stl/_string_io.h>
1.12 +#endif
1.13 +
1.14 +#ifndef _STLP_INTERNAL_CTYPE_H
1.15 +# include <stl/_ctype.h>
1.16 +#endif
1.17 +
1.18 +# ifdef _STLP_DEBUG
1.19 +# define basic_string _Nondebug_string
1.20 +# endif
1.21 +
1.22 +_STLP_BEGIN_NAMESPACE
1.23 +
1.24 +# if defined (_STLP_OWN_IOSTREAMS)
1.25 +# define _STLP_USING_IO
1.26 +# else
1.27 +# define _STLP_USING_IO _STLP_USING_VENDOR_STD
1.28 +# endif
1.29 +
1.30 +#if defined (_STLP_USE_NEW_IOSTREAMS)
1.31 +
1.32 +template <class _CharT, class _Traits>
1.33 +bool _STLP_CALL
1.34 +__stlp_string_fill(basic_ostream<_CharT, _Traits>& __os,
1.35 + basic_streambuf<_CharT, _Traits>* __buf,
1.36 + size_t __n)
1.37 +{
1.38 + _CharT __f = __os.fill();
1.39 + size_t __i;
1.40 + bool __ok = true;
1.41 +
1.42 + for (__i = 0; __i < __n; ++__i)
1.43 + __ok = __ok && !_Traits::eq_int_type(__buf->sputc(__f), _Traits::eof());
1.44 + return __ok;
1.45 +}
1.46 +
1.47 +template <class _CharT, class _Traits, class _Alloc>
1.48 +basic_ostream<_CharT, _Traits>& _STLP_CALL
1.49 +operator<<(basic_ostream<_CharT, _Traits>& __os,
1.50 + const basic_string<_CharT,_Traits,_Alloc>& __s)
1.51 +{
1.52 +
1.53 + _STLP_USING_IO
1.54 + typedef basic_ostream<_CharT, _Traits> __ostream;
1.55 + typename __ostream::sentry __sentry(__os);
1.56 + bool __ok = false;
1.57 +
1.58 + if (__sentry) {
1.59 + __ok = true;
1.60 + size_t __n = __s.size();
1.61 + size_t __pad_len = 0;
1.62 + const bool __left = (__os.flags() & __ostream::left) != 0;
1.63 + const size_t __w = __os.width(0);
1.64 + basic_streambuf<_CharT, _Traits>* __buf = __os.rdbuf();
1.65 +
1.66 + if (__n < __w) {
1.67 + __pad_len = __w - __n;
1.68 + }
1.69 +
1.70 + if (!__left)
1.71 + __ok = __stlp_string_fill(__os, __buf, __pad_len);
1.72 +
1.73 + __ok = __ok && (__buf->sputn(__s.data(), streamsize(__n)) == streamsize(__n));
1.74 +
1.75 + if (__left)
1.76 + __ok = __ok && __stlp_string_fill(__os, __buf, __pad_len);
1.77 + }
1.78 +
1.79 + if (!__ok)
1.80 + __os.setstate(__ostream::failbit);
1.81 +
1.82 + return __os;
1.83 +}
1.84 +
1.85 +template <class _CharT, class _Traits, class _Alloc>
1.86 +basic_istream<_CharT, _Traits>& _STLP_CALL
1.87 +operator>>(basic_istream<_CharT, _Traits>& __is,
1.88 + basic_string<_CharT,_Traits, _Alloc>& __s)
1.89 +{
1.90 + _STLP_USING_IO
1.91 + typedef basic_istream<_CharT, _Traits> __istream;
1.92 + typename __istream::sentry __sentry(__is);
1.93 +
1.94 + if (__sentry) {
1.95 + basic_streambuf<_CharT, _Traits>* __buf = __is.rdbuf();
1.96 + typedef ctype<_CharT> _C_type;
1.97 +
1.98 +#ifdef _STLP_OWN_IOSTREAMS
1.99 + // const _C_type& _Ctype = use_facet<_C_type>(__loc);
1.100 + const _C_type& _Ctype = *(const _C_type*)__is._M_ctype_facet();
1.101 +#else
1.102 +# if defined (_STLP_MSVC) && (_STLP_MSVC <= 1200 ) || defined (__ICL)
1.103 + const locale& __loc = __is.getloc();
1.104 + const _C_type& _Ctype = use_facet(__loc , ( _C_type * ) 0, true);
1.105 +# elif defined (__SUNPRO_CC)
1.106 + const locale& __loc = __is.getloc();
1.107 + const _C_type& _Ctype = use_facet(__loc , ( _C_type * ) 0);
1.108 +# else
1.109 + const locale& __loc = __is.getloc();
1.110 + const _C_type& _Ctype = use_facet<_C_type>(__loc);
1.111 +# endif
1.112 +#endif
1.113 + __s.clear();
1.114 + size_t __n = __is.width(0);
1.115 + if (__n == 0)
1.116 + __n = __STATIC_CAST(size_t,-1);
1.117 + else
1.118 + __s.reserve(__n);
1.119 +
1.120 +
1.121 + while (__n-- > 0) {
1.122 + typename _Traits::int_type __c1 = __buf->sbumpc();
1.123 + if (_Traits::eq_int_type(__c1, _Traits::eof())) {
1.124 + __is.setstate(__istream::eofbit);
1.125 + break;
1.126 + }
1.127 + else {
1.128 + _CharT __c = _Traits::to_char_type(__c1);
1.129 +
1.130 + if (_Ctype.is(_C_type::space, __c)) {
1.131 + if (_Traits::eq_int_type(__buf->sputbackc(__c), _Traits::eof()))
1.132 + __is.setstate(__istream::failbit);
1.133 + break;
1.134 + }
1.135 +#ifdef __SYMBIAN32__
1.136 + else if (__c == '\b') {
1.137 + __s.pop_back();
1.138 + }
1.139 +#endif
1.140 + else
1.141 + __s.push_back(__c);
1.142 + }
1.143 + }
1.144 +
1.145 + // If we have read no characters, then set failbit.
1.146 + if (__s.size() == 0)
1.147 + __is.setstate(__istream::failbit);
1.148 + }
1.149 + else
1.150 + __is.setstate(__istream::failbit);
1.151 +
1.152 + return __is;
1.153 +}
1.154 +
1.155 +template <class _CharT, class _Traits, class _Alloc>
1.156 +basic_istream<_CharT, _Traits>& _STLP_CALL
1.157 +getline(basic_istream<_CharT, _Traits>& __is,
1.158 + basic_string<_CharT,_Traits,_Alloc>& __s,
1.159 + _CharT __delim)
1.160 +{
1.161 + _STLP_USING_IO
1.162 + typedef basic_istream<_CharT, _Traits> __istream;
1.163 + size_t __nread = 0;
1.164 + typename basic_istream<_CharT, _Traits>::sentry __sentry(__is, true);
1.165 + if (__sentry) {
1.166 + basic_streambuf<_CharT, _Traits>* __buf = __is.rdbuf();
1.167 + __s.clear();
1.168 +
1.169 + while (__nread < __s.max_size()) {
1.170 + int __c1 = __buf->sbumpc();
1.171 + if (_Traits::eq_int_type(__c1, _Traits::eof())) {
1.172 + __is.setstate(__istream::eofbit);
1.173 + break;
1.174 + }
1.175 + else {
1.176 + ++__nread;
1.177 + _CharT __c = _Traits::to_char_type(__c1);
1.178 + if (!_Traits::eq(__c, __delim))
1.179 + __s.push_back(__c);
1.180 + else
1.181 + break; // Character is extracted but not appended.
1.182 + }
1.183 + }
1.184 + }
1.185 + if (__nread == 0 || __nread >= __s.max_size())
1.186 + __is.setstate(__istream::failbit);
1.187 +
1.188 + return __is;
1.189 +}
1.190 +
1.191 +#elif ! defined ( _STLP_USE_NO_IOSTREAMS )
1.192 +
1.193 +// (reg) For Watcom IO, _OSTREAM_DLL tells if ostream class is in .exe or in .dll
1.194 +
1.195 +template <class _CharT, class _Traits, class _Alloc>
1.196 +_OSTREAM_DLL& _STLP_CALL operator<<(_OSTREAM_DLL& __os,
1.197 + const basic_string<_CharT,_Traits,_Alloc>& __s)
1.198 +{
1.199 + _STLP_USING_IO
1.200 + streambuf* __buf = __os.rdbuf();
1.201 + if (__buf) {
1.202 + size_t __n = __s.size();
1.203 + size_t __pad_len = 0;
1.204 + const bool __left = (__os.flags() & ios::left) !=0;
1.205 + const size_t __w = __os.width();
1.206 +
1.207 + if (__n < __w) {
1.208 + __pad_len = __w - __n;
1.209 + }
1.210 +
1.211 + if (!__left)
1.212 + __stlp_string_fill(__os, __buf, __pad_len);
1.213 +
1.214 + const size_t __nwritten = __buf->sputn(__s.data(), __n);
1.215 +
1.216 + if (__left)
1.217 + __stlp_string_fill(__os, __buf, __pad_len);
1.218 +
1.219 + if (__nwritten != __n)
1.220 + __os.clear(__os.rdstate() | ios::failbit);
1.221 +
1.222 + __os.width(0);
1.223 + }
1.224 + else
1.225 + __os.clear(__os.rdstate() | ios::badbit);
1.226 +
1.227 + return __os;
1.228 +}
1.229 +
1.230 +template <class _CharT, class _Traits, class _Alloc>
1.231 +_ISTREAM_DLL& _STLP_CALL operator>>(_ISTREAM_DLL& __is, basic_string<_CharT,_Traits,_Alloc>& __s)
1.232 +{
1.233 + _STLP_USING_IO
1.234 + if (!__is)
1.235 + return __is;
1.236 +
1.237 + streambuf* __buf = __is.rdbuf();
1.238 + if (__buf) {
1.239 +
1.240 + if (__is.flags() & ios::skipws) {
1.241 + // _CharT __c;
1.242 + int __c;
1.243 + do {
1.244 + __c = __buf->sbumpc();
1.245 + }
1.246 + while (__c != EOF && isspace((unsigned char)__c));
1.247 +
1.248 + if (__c == EOF) {
1.249 + __is.clear(__is.rdstate() | ios::eofbit | ios::failbit);
1.250 + }
1.251 + else {
1.252 + if (__buf->sputbackc(__c) == EOF)
1.253 + __is.clear(__is.rdstate() | ios::failbit);
1.254 + }
1.255 + }
1.256 +
1.257 + // If we arrive at end of file (or fail for some other reason) while
1.258 + // still discarding whitespace, then we don't try to read the string.
1.259 + if (__is) {
1.260 + __s.clear();
1.261 +
1.262 + size_t __n = __is.width();
1.263 + if (__n == 0)
1.264 + __n = __STATIC_CAST(size_t,-1);
1.265 + else
1.266 + __s.reserve(__n);
1.267 +
1.268 + while (__n-- > 0) {
1.269 + int __c1 = __buf->sbumpc();
1.270 + if (__c1 == EOF) {
1.271 + __is.clear(__is.rdstate() | ios::eofbit);
1.272 + break;
1.273 + }
1.274 + else {
1.275 + _CharT __c = _Traits::to_char_type(__c1);
1.276 +
1.277 + if (isspace((unsigned char) __c)) {
1.278 + if (__buf->sputbackc(__c) == EOF)
1.279 + __is.clear(__is.rdstate() | ios::failbit);
1.280 + break;
1.281 + }
1.282 + else
1.283 + __s.push_back(__c);
1.284 + }
1.285 + }
1.286 +
1.287 + // If we have read no characters, then set failbit.
1.288 + if (__s.size() == 0)
1.289 + __is.clear(__is.rdstate() | ios::failbit);
1.290 + }
1.291 +
1.292 + __is.width(0);
1.293 + }
1.294 + else // We have no streambuf.
1.295 + __is.clear(__is.rdstate() | ios::badbit);
1.296 +
1.297 + return __is;
1.298 +}
1.299 +
1.300 +template <class _CharT, class _Traits, class _Alloc>
1.301 +_ISTREAM_DLL& _STLP_CALL getline(_ISTREAM_DLL& __is,
1.302 + basic_string<_CharT,_Traits,_Alloc>& __s,
1.303 + _CharT __delim)
1.304 +{
1.305 + _STLP_USING_IO
1.306 + streambuf* __buf = __is.rdbuf();
1.307 + if (__buf) {
1.308 + size_t __nread = 0;
1.309 + if (__is) {
1.310 + __s.clear();
1.311 +
1.312 + while (__nread < __s.max_size()) {
1.313 + int __c1 = __buf->sbumpc();
1.314 + if (__c1 == EOF) {
1.315 + __is.clear(__is.rdstate() | ios::eofbit);
1.316 + break;
1.317 + }
1.318 + else {
1.319 + ++__nread;
1.320 + _CharT __c = _Traits::to_char_type(__c1);
1.321 + if (!_Traits::eq(__c, __delim))
1.322 + __s.push_back(__c);
1.323 + else
1.324 + break; // Character is extracted but not appended.
1.325 + }
1.326 + }
1.327 + }
1.328 +
1.329 + if (__nread == 0 || __nread >= __s.max_size())
1.330 + __is.clear(__is.rdstate() | ios::failbit);
1.331 + }
1.332 + else
1.333 + __is.clear(__is.rdstate() | ios::badbit);
1.334 +
1.335 + return __is;
1.336 +}
1.337 +
1.338 +# endif /* _STLP_NEW_IOSTREAMS */
1.339 +
1.340 +_STLP_END_NAMESPACE
1.341 +
1.342 +// # undef _STLP_USING_IO
1.343 +# undef basic_string
1.344 +
1.345 +#endif