You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
293 lines
9.3 KiB
293 lines
9.3 KiB
// -*- C++ -*-
|
|
/***************************************************************************
|
|
*
|
|
* sstream - Declarations for the Standard Library basic streams
|
|
*
|
|
* $Id: sstream 172106 2011-11-02 17:04:12Z statham $
|
|
*
|
|
***************************************************************************
|
|
*
|
|
* Copyright (c) 1994-2001 Rogue Wave Software, Inc. All Rights Reserved.
|
|
*
|
|
* This computer software is owned by Rogue Wave Software, Inc. and is
|
|
* protected by U.S. copyright laws and other laws and by international
|
|
* treaties. This computer software is furnished by Rogue Wave Software,
|
|
* Inc. pursuant to a written license agreement and may be used, copied,
|
|
* transmitted, and stored only in accordance with the terms of such
|
|
* license and with the inclusion of the above copyright notice. This
|
|
* computer software or any other copies thereof may not be provided or
|
|
* otherwise made available to any other person.
|
|
*
|
|
* U.S. Government Restricted Rights. This computer software is provided
|
|
* with Restricted Rights. Use, duplication, or disclosure by the
|
|
* Government is subject to restrictions as set forth in subparagraph (c)
|
|
* (1) (ii) of The Rights in Technical Data and Computer Software clause
|
|
* at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
|
|
* Commercial Computer Software--Restricted Rights at 48 CFR 52.227-19,
|
|
* as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
|
|
* Flatiron Parkway, Boulder, Colorado 80301 USA.
|
|
*
|
|
**************************************************************************/
|
|
|
|
#ifndef _RWSTD_SSTREAM_INCLUDED
|
|
#define _RWSTD_SSTREAM_INCLUDED
|
|
|
|
#ifndef _RWSTD_NO_REDUNDANT_DEFINITIONS
|
|
# include <istream>
|
|
# include <ostream>
|
|
#else
|
|
# include <iosfwd>
|
|
#endif // _RWSTD_NO_REDUNDANT_DEFINITIONS
|
|
|
|
#include <rw/_iosbase.h>
|
|
#include <rw/_defs.h>
|
|
|
|
|
|
_RWSTD_NAMESPACE_BEGIN (std)
|
|
|
|
|
|
template<class _CharT, class _Traits, class _Allocator>
|
|
class basic_stringbuf: public basic_streambuf<_CharT, _Traits>
|
|
{
|
|
typedef basic_string<_CharT, _Traits, _Allocator> _C_string_type;
|
|
|
|
public:
|
|
|
|
typedef _CharT char_type;
|
|
typedef _Traits traits_type;
|
|
typedef _Allocator allocator_type;
|
|
|
|
typedef _TYPENAME traits_type::int_type int_type;
|
|
typedef _TYPENAME traits_type::pos_type pos_type;
|
|
typedef _TYPENAME traits_type::off_type off_type;
|
|
|
|
_EXPLICIT
|
|
basic_stringbuf (ios_base::openmode __mode = ios_base::in | ios_base::out)
|
|
: basic_streambuf<char_type, traits_type>(__mode) {
|
|
this->_C_own_buf (true);
|
|
}
|
|
|
|
_EXPLICIT
|
|
basic_stringbuf (const _C_string_type &__str,
|
|
ios_base::openmode = ios_base::in | ios_base::out);
|
|
|
|
virtual ~basic_stringbuf ();
|
|
|
|
_C_string_type str () const {
|
|
return _C_strlen () == 0 ? _C_string_type ()
|
|
: _C_string_type (this->_C_buffer, _C_strlen ());
|
|
}
|
|
|
|
void str (const _C_string_type&);
|
|
|
|
protected:
|
|
|
|
virtual streamsize showmanyc () {
|
|
return this->gptr () < this->egptr () ?
|
|
streamsize (this->egptr () - this->gptr ()) : 0;
|
|
}
|
|
|
|
virtual int_type overflow (int_type = traits_type::eof ());
|
|
|
|
virtual int_type pbackfail (int_type = traits_type::eof ());
|
|
|
|
virtual int_type underflow ();
|
|
|
|
virtual pos_type seekoff (off_type, ios_base::seekdir, ios_base::openmode =
|
|
ios_base::in | ios_base::out);
|
|
|
|
virtual pos_type seekpos (pos_type, ios_base::openmode =
|
|
ios_base::in | ios_base::out);
|
|
|
|
virtual basic_streambuf<char_type, traits_type>*
|
|
setbuf (char_type*, streamsize);
|
|
|
|
virtual streamsize xsputn (const char_type*, streamsize);
|
|
|
|
//
|
|
// non-standard convenience functions
|
|
//
|
|
streamsize _C_strlen () const {
|
|
return this->_C_is_in () ? this->egptr () - this->eback ()
|
|
: this->epptr () - this->pbase ();
|
|
}
|
|
|
|
};
|
|
|
|
|
|
template<class _CharT, class _Traits, class _Allocator>
|
|
inline basic_stringbuf<_CharT, _Traits, _Allocator>::~basic_stringbuf ()
|
|
{
|
|
typedef _RWSTD_ALLOC_TYPE (allocator_type, char_type) _ValueAlloc;
|
|
|
|
if (this->_C_own_buf ())
|
|
_ValueAlloc ().deallocate (this->_C_buffer, this->_C_bufsize);
|
|
}
|
|
|
|
|
|
template<class _CharT, class _Traits, class _Allocator>
|
|
class basic_istringstream: public basic_istream<_CharT, _Traits>
|
|
{
|
|
typedef basic_string<_CharT, _Traits, _Allocator> _C_string_type;
|
|
|
|
public:
|
|
typedef _CharT char_type;
|
|
typedef _Traits traits_type;
|
|
typedef _Allocator allocator_type;
|
|
|
|
typedef _TYPENAME traits_type::int_type int_type;
|
|
typedef _TYPENAME traits_type::pos_type pos_type;
|
|
typedef _TYPENAME traits_type::off_type off_type;
|
|
|
|
_EXPLICIT
|
|
basic_istringstream (ios_base::openmode __mode = ios_base::in)
|
|
: basic_istream<char_type, traits_type>(rdbuf ()),
|
|
_C_sb (__mode | ios_base::in) { }
|
|
|
|
_EXPLICIT
|
|
basic_istringstream (const _C_string_type& __str,
|
|
ios_base::openmode __mode = ios_base::in)
|
|
: basic_istream<char_type, traits_type>(rdbuf ()),
|
|
_C_sb (__str, __mode | ios_base::in) { }
|
|
|
|
basic_stringbuf<char_type, traits_type, allocator_type> *rdbuf () const {
|
|
// necessary to help SunPro 5.0/T9
|
|
typedef basic_istringstream <char_type, traits_type, allocator_type>
|
|
_SelfT;
|
|
return &_RWSTD_CONST_CAST (_SelfT*, this)->_C_sb;
|
|
}
|
|
|
|
_C_string_type str () const {
|
|
return rdbuf ()->str ();
|
|
}
|
|
|
|
void str (const _C_string_type& __str) {
|
|
rdbuf ()->str (__str);
|
|
}
|
|
|
|
private:
|
|
|
|
basic_stringbuf<char_type, traits_type, allocator_type> _C_sb;
|
|
};
|
|
|
|
|
|
template<class _CharT, class _Traits, class _Allocator>
|
|
class basic_ostringstream: public basic_ostream<_CharT, _Traits>
|
|
{
|
|
typedef basic_string<_CharT, _Traits, _Allocator> _C_string_type;
|
|
|
|
public:
|
|
|
|
typedef _CharT char_type;
|
|
typedef _Traits traits_type;
|
|
typedef _Allocator allocator_type;
|
|
|
|
typedef _TYPENAME traits_type::int_type int_type;
|
|
typedef _TYPENAME traits_type::pos_type pos_type;
|
|
typedef _TYPENAME traits_type::off_type off_type;
|
|
|
|
// NOTE: the constructors pass the address of a yet uninitialized
|
|
// data member to the constructor of the base class
|
|
_EXPLICIT
|
|
basic_ostringstream (ios_base::openmode __mode = ios_base::out)
|
|
: basic_ostream<char_type, traits_type> (rdbuf ()),
|
|
_C_sb (__mode | ios_base::out) { }
|
|
|
|
_EXPLICIT
|
|
basic_ostringstream (const _C_string_type &__str,
|
|
ios_base::openmode __mode = ios_base::out)
|
|
: basic_ostream<char_type, traits_type>(rdbuf ()),
|
|
_C_sb (__str, __mode | ios_base::out) { }
|
|
|
|
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf () const {
|
|
// necessary to help SunPro 5.0/T9
|
|
typedef basic_ostringstream <char_type, traits_type, allocator_type>
|
|
_SelfT;
|
|
return &_RWSTD_CONST_CAST (_SelfT*, this)->_C_sb;
|
|
}
|
|
|
|
_C_string_type str () const {
|
|
return rdbuf ()->str ();
|
|
}
|
|
|
|
void str (const _C_string_type &__str) {
|
|
rdbuf ()->str (__str);
|
|
}
|
|
|
|
private:
|
|
|
|
basic_stringbuf<char_type, traits_type, allocator_type> _C_sb;
|
|
};
|
|
|
|
|
|
template<class _CharT, class _Traits, class _Allocator>
|
|
class basic_stringstream: public basic_iostream<_CharT, _Traits>
|
|
{
|
|
typedef basic_string<_CharT, _Traits, _Allocator> _C_string_type;
|
|
|
|
public:
|
|
|
|
typedef _CharT char_type;
|
|
typedef _Traits traits_type;
|
|
typedef _Allocator allocator_type;
|
|
|
|
typedef _TYPENAME traits_type::int_type int_type;
|
|
typedef _TYPENAME traits_type::pos_type pos_type;
|
|
typedef _TYPENAME traits_type::off_type off_type;
|
|
|
|
_EXPLICIT
|
|
basic_stringstream (ios_base::openmode __mode =
|
|
ios_base::out | ios_base::in)
|
|
: basic_iostream<char_type, traits_type>(rdbuf ()),
|
|
_C_sb (__mode) { }
|
|
|
|
_EXPLICIT
|
|
basic_stringstream (const _C_string_type &__str,
|
|
ios_base::openmode __mode =
|
|
ios_base::out | ios_base::in)
|
|
: basic_iostream<char_type, traits_type>(rdbuf ()),
|
|
_C_sb (__str, __mode) { }
|
|
|
|
basic_stringbuf<char_type, traits_type, allocator_type> *rdbuf () const {
|
|
// necessary to help SunPro 5.0/T9
|
|
typedef basic_stringstream <char_type, traits_type, allocator_type>
|
|
_SelfT;
|
|
return &_RWSTD_CONST_CAST (_SelfT*, this)->_C_sb;
|
|
}
|
|
|
|
_C_string_type str () const {
|
|
return rdbuf ()->str ();
|
|
}
|
|
|
|
void str (const _C_string_type &__str) {
|
|
rdbuf ()->str (__str);
|
|
}
|
|
|
|
private:
|
|
|
|
basic_stringbuf<char_type, traits_type, allocator_type> _C_sb;
|
|
};
|
|
|
|
|
|
_RWSTD_INSTANTIATE_3 (class _RWSTD_EXPORT
|
|
basic_stringbuf<char, char_traits<char>,
|
|
allocator<char> >);
|
|
|
|
#ifndef _RWSTD_NO_WCHAR_T
|
|
_RWSTD_INSTANTIATE_3 (class _RWSTD_EXPORT
|
|
basic_stringbuf<wchar_t, char_traits<wchar_t>,
|
|
allocator<wchar_t> >);
|
|
#endif // _RWSTD_NO_WCHAR_T
|
|
|
|
|
|
_RWSTD_NAMESPACE_END // std
|
|
|
|
|
|
#if _RWSTD_DEFINE_TEMPLATE (BASIC_STRINGBUF)
|
|
# include <sstream.cc>
|
|
#endif
|
|
|
|
|
|
#endif // _RWSTD_SSTREAM_INCLUDED
|
|
|