/*
* 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();
}
// 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 = __CONST_CAST(_CharT*,_M_str.data());
_CharT* __data_end = __data_ptr + _M_str.size();
// The initial read position is the beginning of the string.
if (_M_mode & ios_base::in) {
if (_M_mode & ios_base::ate)
this->setg(__data_ptr, __data_end, __data_end);
else
this->setg(__data_ptr, __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 is declared as a const member function because it is
// called by basic_stringbuf<>::str(). Precondition: this is a
// write-only stringbuf. We can't use an output buffer for read-
// write stringbufs. Postcondition: pptr is reset to the beginning
// of the buffer.
template <class _CharT, class _Traits, class _Alloc>
void basic_stringbuf<_CharT, _Traits, _Alloc>::_M_append_buffer() const {
// Do we have a buffer to append?
if (this->pbase() == this->_M_Buf && this->pptr() != this->_M_Buf) {
basic_stringbuf<_CharT, _Traits, _Alloc>* __this = __CONST_CAST(_Self*,this);
__this->_M_str.append((const _CharT*)this->pbase(), (const _CharT*)this->pptr());
#ifndef __MWERKS__
__this->setp(__CONST_CAST(_CharT*,_M_Buf),
__CONST_CAST(_CharT*,_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
#else // CodeWarrior treat const char * and const char [8] as different types
__this->setp((_CharT*)_M_Buf,
(_CharT*)(_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
#endif
}
// Have we run off the end of the string?
else if (this->pptr() == this->epptr()) {
basic_stringbuf<_CharT, _Traits, _Alloc>* __this = __CONST_CAST(_Self*,this);
#ifndef __MWERKS__
__this->setp(__CONST_CAST(_CharT*,_M_Buf),
__CONST_CAST(_CharT*,_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
#else // CodeWarrior treat const char * and const char [8] as different types
__this->setp((_CharT*)_M_Buf,
(_CharT*)(_M_Buf + __STATIC_CAST(int,_S_BufSiz)));
#endif
}
}
//----------------------------------------------------------------------
// 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);
}
//----------------------------------------------------------------------
// 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);
}
//----------------------------------------------------------------------
// 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);
}
_STLP_END_NAMESPACE
# undef __BSB_int_type__
# undef __BSB_pos_type__
#endif /* _STLP_SSTREAM_C */
// Local Variables:
// mode:C++
// End: