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Diffstat (limited to 'stlport/stl/_sstream.c')
| -rw-r--r-- | stlport/stl/_sstream.c | 465 |
1 files changed, 0 insertions, 465 deletions
diff --git a/stlport/stl/_sstream.c b/stlport/stl/_sstream.c deleted file mode 100644 index 9f58535..0000000 --- a/stlport/stl/_sstream.c +++ /dev/null @@ -1,465 +0,0 @@ -/* - * Copyright (c) 1999 - * Silicon Graphics Computer Systems, Inc. - * - * Copyright (c) 1999 - * Boris Fomitchev - * - * This material is provided "as is", with absolutely no warranty expressed - * or implied. Any use is at your own risk. - * - * Permission to use or copy this software for any purpose is hereby granted - * without fee, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -#ifndef _STLP_SSTREAM_C -#define _STLP_SSTREAM_C - -#ifndef _STLP_INTERNAL_SSTREAM -# include <stl/_sstream.h> -#endif - -#if defined ( _STLP_NESTED_TYPE_PARAM_BUG ) -// no wint_t is supported for this mode -# define __BSB_int_type__ int -# define __BSB_pos_type__ streampos -#else -# define __BSB_int_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_stringbuf<_CharT, _Traits, _Alloc>::int_type -# define __BSB_pos_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type -#endif - -_STLP_BEGIN_NAMESPACE - -//---------------------------------------------------------------------- -// Non-inline stringbuf member functions. - -// Constructors. Note that the base class constructor sets all of the -// get and area pointers to null. - -template <class _CharT, class _Traits, class _Alloc> -basic_stringbuf<_CharT, _Traits, _Alloc> - ::basic_stringbuf(ios_base::openmode __mode) - : basic_streambuf<_CharT, _Traits>(), _M_mode(__mode), _M_str() -{} - -template <class _CharT, class _Traits, class _Alloc> -basic_stringbuf<_CharT, _Traits, _Alloc> - ::basic_stringbuf(const basic_string<_CharT, _Traits, _Alloc>& __s, ios_base::openmode __mode) - : basic_streambuf<_CharT, _Traits>(), _M_mode(__mode), _M_str(__s) -{ - _M_set_ptrs(); -} - -template <class _CharT, class _Traits, class _Alloc> -basic_stringbuf<_CharT, _Traits, _Alloc>::~basic_stringbuf() -{} - -// Set the underlying string to a new value. -template <class _CharT, class _Traits, class _Alloc> -void -basic_stringbuf<_CharT, _Traits, _Alloc>::str(const basic_string<_CharT, _Traits, _Alloc>& __s) -{ - _M_str = __s; - _M_set_ptrs(); -} - -template <class _CharT, class _Traits, class _Alloc> -void -basic_stringbuf<_CharT, _Traits, _Alloc>::_M_set_ptrs() -{ - _CharT* __data_ptr = _S_start(_M_str); - _CharT* __data_end = _S_finish(_M_str); - // The initial read position is the beginning of the string. - if (_M_mode & ios_base::in) { - this->setg(__data_ptr, (_M_mode & ios_base::ate) ? __data_end : __data_ptr, __data_end); - } - - // The initial write position is the beginning of the string. - if (_M_mode & ios_base::out) { - if ( _M_mode & (ios_base::app | ios_base::ate) ) { - this->setp( __data_end, __data_end ); - } else { - this->setp( __data_ptr, __data_end ); - this->pbump((int)_M_str.size()); // initial write position, if we initialized with string - } - // this->setp((_M_mode & (ios_base::app | ios_base::ate))? __data_end : __data_ptr, __data_end); - } -} - -// Precondition: gptr() >= egptr(). Returns a character, if one is available. -template <class _CharT, class _Traits, class _Alloc> -__BSB_int_type__ -basic_stringbuf<_CharT, _Traits, _Alloc>::underflow() { - return this->gptr() != this->egptr() - ? _Traits::to_int_type(*this->gptr()) - : _Traits::eof(); -} - -// Precondition: gptr() >= egptr(). -template <class _CharT, class _Traits, class _Alloc> -__BSB_int_type__ -basic_stringbuf<_CharT, _Traits, _Alloc>::uflow() { - if (this->gptr() != this->egptr()) { - int_type __c = _Traits::to_int_type(*this->gptr()); - this->gbump(1); - return __c; - } - else - return _Traits::eof(); -} - -template <class _CharT, class _Traits, class _Alloc> -__BSB_int_type__ -basic_stringbuf<_CharT, _Traits, _Alloc>::pbackfail(int_type __c) { - if (this->gptr() != this->eback()) { - if (!_Traits::eq_int_type(__c, _Traits::eof())) { - if (_Traits::eq(_Traits::to_char_type(__c), this->gptr()[-1])) { - this->gbump(-1); - return __c; - } - else if (_M_mode & ios_base::out) { - this->gbump(-1); - *this->gptr() = _Traits::to_char_type(__c); - return __c; - } - else - return _Traits::eof(); - } - else { - this->gbump(-1); - return _Traits::not_eof(__c); - } - } - else - return _Traits::eof(); -} - -template <class _CharT, class _Traits, class _Alloc> -__BSB_int_type__ basic_stringbuf<_CharT, _Traits, _Alloc>::overflow(int_type __c) -{ - if (!_Traits::eq_int_type(__c, _Traits::eof())) { - if (_M_mode & ios_base::out) { - if ( this->pptr() < this->epptr() ) { // just put back in any case - _M_str.push_back( _Traits::to_char_type(__c) ); - this->pbump(1); - } else if ( _M_mode & ios_base::in ) { - ptrdiff_t __offset = this->gptr() - this->eback(); - _M_str.push_back(_Traits::to_char_type(__c)); - _CharT* __data_ptr = _S_start(_M_str); - this->setg(__data_ptr, __data_ptr + __offset, _S_finish(_M_str)); - this->setp(__data_ptr, _S_finish(_M_str)); - this->pbump((int)_M_str.size()); - } else { - _M_str.push_back( _Traits::to_char_type(__c) ); - this->setp(_S_start(_M_str), _S_finish(_M_str)); - this->pbump((int)_M_str.size()); - } - return __c; - } - return _Traits::eof(); // Overflow always fails if it's read-only - } - return _Traits::not_eof(__c); // __c is EOF, so we don't have to do anything -} - -template <class _CharT, class _Traits, class _Alloc> -streamsize -basic_stringbuf<_CharT, _Traits, _Alloc>::xsputn(const char_type* __s, - streamsize __n) { - streamsize __nwritten = 0; - - if ((_M_mode & ios_base::out) && __n > 0) { - // If the put pointer is somewhere in the middle of the string, - // then overwrite instead of append. - if ( !_M_str.empty() && this->pbase() == _S_start(_M_str)) { - ptrdiff_t __avail = _S_finish(_M_str) - this->pptr(); - if (__avail > __n) { - _Traits::copy(this->pptr(), __s, __STATIC_CAST(size_t, __n)); - this->pbump((int)__n); - return __n; - } else { - _Traits::copy(this->pptr(), __s, __avail); - __nwritten += __avail; - __n -= __avail; - __s += __avail; - } - } - - // At this point we know we're appending. - _CharT* __data_ptr; - if (_M_mode & ios_base::in) { - ptrdiff_t __get_offset = this->gptr() - this->eback(); - _M_str.append(__s, __s + __STATIC_CAST(ptrdiff_t, __n)); - __data_ptr = _S_start(_M_str); - this->setg(__data_ptr, __data_ptr + __get_offset, _S_finish(_M_str)); - } else { - _M_str.append(__s, __s + __STATIC_CAST(ptrdiff_t, __n)); - __data_ptr = _S_start(_M_str); - } - - this->setp(__data_ptr, _S_finish(_M_str)); - this->pbump((int)_M_str.size()); - __nwritten += __n; - } - - return __nwritten; -} - -template <class _CharT, class _Traits, class _Alloc> -streamsize -basic_stringbuf<_CharT, _Traits, _Alloc>::_M_xsputnc(char_type __c, - streamsize __n) { - streamsize __nwritten = 0; - - if ((_M_mode & ios_base::out) && __n > 0) { - // If the put pointer is somewhere in the middle of the string, - // then overwrite instead of append. - if (this->pbase() == _S_start(_M_str)) { - ptrdiff_t __avail = _S_finish(_M_str) - this->pptr(); - if (__avail > __n) { - _Traits::assign(this->pptr(), __STATIC_CAST(size_t, __n), __c); - this->pbump(__STATIC_CAST(int, __n)); - return __n; - } - else { - _Traits::assign(this->pptr(), __avail, __c); - __nwritten += __avail; - __n -= __avail; - } - } - - // At this point we know we're appending. - size_t __app_size = sizeof(streamsize) > sizeof(size_t) ? __STATIC_CAST(size_t, (min)(__n, __STATIC_CAST(streamsize, _M_str.max_size()))) - : __STATIC_CAST(size_t, __n); - _CharT* __data_ptr; - if (this->_M_mode & ios_base::in) { - ptrdiff_t __get_offset = this->gptr() - this->eback(); - _M_str.append(__app_size, __c); - __data_ptr = _S_start(_M_str); - this->setg(__data_ptr, __data_ptr + __get_offset, _S_finish(_M_str)); - } else { - _M_str.append(__app_size, __c); - __data_ptr = _S_start(_M_str); - } - - this->setp(__data_ptr, _S_finish(_M_str)); - this->pbump((int)_M_str.size()); - __nwritten += __app_size; - } - - return __nwritten; -} - -// According to the C++ standard the effects of setbuf are implementation -// defined, except that setbuf(0, 0) has no effect. In this implementation, -// setbuf(<anything>, n), for n > 0, calls reserve(n) on the underlying -// string. -template <class _CharT, class _Traits, class _Alloc> -basic_streambuf<_CharT, _Traits>* -basic_stringbuf<_CharT, _Traits, _Alloc>::setbuf(_CharT*, streamsize __n) { - if (__n > 0) { - bool __do_get_area = false; - bool __do_put_area = false; - ptrdiff_t __offg = 0; - ptrdiff_t __offp = 0; - - if (this->pbase() == _S_start(_M_str)) { - __do_put_area = true; - __offp = this->pptr() - this->pbase(); - } - - if (this->eback() == _S_start(_M_str)) { - __do_get_area = true; - __offg = this->gptr() - this->eback(); - } - - _M_str.reserve(sizeof(streamsize) > sizeof(size_t) ? __STATIC_CAST(size_t, (min)(__n, __STATIC_CAST(streamsize, _M_str.max_size()))) - : __STATIC_CAST(size_t, __n)); - - _CharT* __data_ptr = _S_start(_M_str); - - if (__do_get_area) { - this->setg(__data_ptr, __data_ptr + __offg, _S_finish(_M_str)); - } - - if (__do_put_area) { - this->setp(__data_ptr, _S_finish(_M_str)); - this->pbump((int)__offp); - } - } - - return this; -} - -template <class _CharT, class _Traits, class _Alloc> -__BSB_pos_type__ -basic_stringbuf<_CharT, _Traits, _Alloc> - ::seekoff(off_type __off, - ios_base::seekdir __dir, - ios_base::openmode __mode) { - __mode &= _M_mode; - - bool __imode = (__mode & ios_base::in) != 0; - bool __omode = (__mode & ios_base::out) != 0; - - if ( !(__imode || __omode) ) - return pos_type(off_type(-1)); - - if ( (__imode && (this->gptr() == 0)) || (__omode && (this->pptr() == 0)) ) - return pos_type(off_type(-1)); - - streamoff __newoff; - switch(__dir) { - case ios_base::beg: - __newoff = 0; - break; - case ios_base::end: - __newoff = _M_str.size(); - break; - case ios_base::cur: - __newoff = __imode ? this->gptr() - this->eback() : this->pptr() - this->pbase(); - if ( __off == 0 ) { - return pos_type(__newoff); - } - break; - default: - return pos_type(off_type(-1)); - } - - __off += __newoff; - - if (__imode) { - ptrdiff_t __n = this->egptr() - this->eback(); - - if (__off < 0 || __off > __n) - return pos_type(off_type(-1)); - this->setg(this->eback(), this->eback() + __STATIC_CAST(ptrdiff_t, __off), - this->eback() + __STATIC_CAST(ptrdiff_t, __n)); - } - - if (__omode) { - ptrdiff_t __n = this->epptr() - this->pbase(); - - if (__off < 0 || __off > __n) - return pos_type(off_type(-1)); - this->setp(this->pbase(), this->pbase() + __n); - this->pbump((int)__off); - } - - return pos_type(__off); -} - -template <class _CharT, class _Traits, class _Alloc> -__BSB_pos_type__ -basic_stringbuf<_CharT, _Traits, _Alloc> - ::seekpos(pos_type __pos, ios_base::openmode __mode) { - __mode &= _M_mode; - - bool __imode = (__mode & ios_base::in) != 0; - bool __omode = (__mode & ios_base::out) != 0; - - if ( !(__imode || __omode) ) - return pos_type(off_type(-1)); - - if ( (__imode && (this->gptr() == 0)) || (__omode && (this->pptr() == 0)) ) - return pos_type(off_type(-1)); - - const off_type __n = __pos - pos_type(off_type(0)); - - if (__imode) { - if (__n < 0 || __n > this->egptr() - this->eback()) - return pos_type(off_type(-1)); - this->setg(this->eback(), this->eback() + __STATIC_CAST(ptrdiff_t, __n), this->egptr()); - } - - if (__omode) { - if (__n < 0 || size_t(__n) > _M_str.size()) - return pos_type(off_type(-1)); - - this->setp(_S_start(_M_str), _S_finish(_M_str)); - this->pbump((int)__n); - } - - return __pos; -} - -//---------------------------------------------------------------------- -// Non-inline istringstream member functions. - -template <class _CharT, class _Traits, class _Alloc> -basic_istringstream<_CharT, _Traits, _Alloc> - ::basic_istringstream(ios_base::openmode __mode) - : basic_istream<_CharT, _Traits>(0), - _M_buf(__mode | ios_base::in) { - this->init(&_M_buf); -} - -template <class _CharT, class _Traits, class _Alloc> -basic_istringstream<_CharT, _Traits, _Alloc> - ::basic_istringstream(const _String& __str,ios_base::openmode __mode) - : basic_istream<_CharT, _Traits>(0), - _M_buf(__str, __mode | ios_base::in) { - this->init(&_M_buf); -} - -template <class _CharT, class _Traits, class _Alloc> -basic_istringstream<_CharT, _Traits, _Alloc>::~basic_istringstream() -{} - -//---------------------------------------------------------------------- -// Non-inline ostringstream member functions. - -template <class _CharT, class _Traits, class _Alloc> -basic_ostringstream<_CharT, _Traits, _Alloc> - ::basic_ostringstream(ios_base::openmode __mode) - : basic_ostream<_CharT, _Traits>(0), - _M_buf(__mode | ios_base::out) { - this->init(&_M_buf); -} - -template <class _CharT, class _Traits, class _Alloc> -basic_ostringstream<_CharT, _Traits, _Alloc> - ::basic_ostringstream(const _String& __str, ios_base::openmode __mode) - : basic_ostream<_CharT, _Traits>(0), - _M_buf(__str, __mode | ios_base::out) { - this->init(&_M_buf); -} - -template <class _CharT, class _Traits, class _Alloc> -basic_ostringstream<_CharT, _Traits, _Alloc>::~basic_ostringstream() -{} - -//---------------------------------------------------------------------- -// Non-inline stringstream member functions. - -template <class _CharT, class _Traits, class _Alloc> -basic_stringstream<_CharT, _Traits, _Alloc> - ::basic_stringstream(ios_base::openmode __mode) - : basic_iostream<_CharT, _Traits>(0), _M_buf(__mode) { - this->init(&_M_buf); -} - -template <class _CharT, class _Traits, class _Alloc> -basic_stringstream<_CharT, _Traits, _Alloc> - ::basic_stringstream(const _String& __str, ios_base::openmode __mode) - : basic_iostream<_CharT, _Traits>(0), _M_buf(__str, __mode) { - this->init(&_M_buf); -} - -template <class _CharT, class _Traits, class _Alloc> -basic_stringstream<_CharT, _Traits, _Alloc>::~basic_stringstream() -{} - -_STLP_END_NAMESPACE - -# undef __BSB_int_type__ -# undef __BSB_pos_type__ - -#endif /* _STLP_SSTREAM_C */ - -// Local Variables: -// mode:C++ -// End: |