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Jose Caban
279
extern/stdcxx/4.2.1/include/strstream
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279
extern/stdcxx/4.2.1/include/strstream
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// -*- C++ -*-
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/***************************************************************************
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*
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* strstream - Declarations for the Standard Library string stream classes
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*
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* $Id: strstream 550991 2007-06-26 23:58:07Z sebor $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2006 Rogue Wave Software.
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*
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**************************************************************************/
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#ifndef _RWSTD_STRSTREAM_INCLUDED
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#define _RWSTD_STRSTREAM_INCLUDED
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#include <streambuf>
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#include <istream>
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#include <ostream>
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#include <rw/_defs.h>
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#ifdef _RWSTD_NO_DEPRECATED
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# error deprecated header included
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#endif
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_RWSTD_NAMESPACE (std) {
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// D.7.1
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class _RWSTD_EXPORT strstreambuf
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: public basic_streambuf<char, char_traits<char> >
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{
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typedef basic_streambuf<char, char_traits<char> > _Base;
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void _C_init (streamsize, const void*, streamsize, const void*,
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void* (*)(_RWSTD_SIZE_T), void (*)(void*), int);
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public:
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// D.7.1.1, p1
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_EXPLICIT
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strstreambuf (streamsize __alsize = 0)
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: _Base () {
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_C_init (__alsize, 0, 0, 0, 0, 0, _C_dynamic);
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}
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// D.7.1.1, p2
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strstreambuf (void* (*__palloc)(_RWSTD_SIZE_T), void (*__pfree)(void *))
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: _Base () {
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_C_init (0, 0, 0, 0, __palloc, __pfree, _C_dynamic);
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}
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// D.7.1.1, p3
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strstreambuf (char_type *__gnext, streamsize __n, char_type *__pbeg = 0)
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: _Base () {
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_C_init (0, __gnext, __n, __pbeg, 0, 0, 0);
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}
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// D.7.1.1, p3
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strstreambuf (unsigned char *__gnext, streamsize __n,
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unsigned char *__pbeg = 0)
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: _Base () {
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_C_init (0, __gnext, __n, __pbeg, 0, 0, 0);
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}
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// D.7.1.1, p3
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strstreambuf (signed char *__gnext, streamsize __n,
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signed char *__pbeg = 0)
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: _Base () {
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_C_init (0, __gnext, __n, __pbeg, 0, 0, 0);
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}
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// D.7.1.1, p7
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strstreambuf (const char_type *__gnext, streamsize __n)
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: _Base () {
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_C_init (0, __gnext, __n, 0, 0, 0, _C_constant);
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}
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// D.7.1.1, p7
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strstreambuf (const unsigned char *__gnext, streamsize __n)
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: _Base () {
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_C_init (0, __gnext, __n, 0, 0, 0, _C_constant);
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}
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// D.7.1.1, p7
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strstreambuf (const signed char *__gnext, streamsize __n)
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: _Base () {
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_C_init (0, __gnext, __n, 0, 0, 0, _C_constant);
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}
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// D.7.1.1, p8
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virtual ~strstreambuf ();
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// D.7.1.2, p1
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void freeze (bool __f = true) {
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if (__f)
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_C_state |= _C_frozen;
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else
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_C_state &= ~_C_frozen;
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}
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// D.7.1.2, p2
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char_type* str () {
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freeze ();
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return eback ();
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}
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// D.7.1.2, p4
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int pcount () const {
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return int (pptr () - pbase ());
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}
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protected:
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// D.7.1.3, p1
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virtual int_type
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overflow (int_type = traits_type::eof ());
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// D.7.1.3, p6
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virtual int_type
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pbackfail (int_type = traits_type::eof ());
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// D.7.1.3, p9
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virtual int_type
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underflow ();
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// D.7.1.3, p12
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virtual pos_type
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seekoff (off_type, ios_base::seekdir,
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ios_base::openmode = ios_base::in | ios_base::out);
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// D.7.1.3, p15
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virtual pos_type
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seekpos (pos_type, ios_base::openmode = ios_base::in | ios_base::out);
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// D.7.1.3, p19
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virtual basic_streambuf<char, char_traits<char> >*
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setbuf (char_type*, streamsize);
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private:
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streamsize _C_alsize;
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void *(*_C_palloc)(_RWSTD_SIZE_T);
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void (*_C_pfree)(void*);
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};
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// D.7.2
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class _RWSTD_EXPORT istrstream
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: public basic_istream<char, char_traits<char> >
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{
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typedef basic_istream<char, char_traits<char> > _Base;
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public:
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// D.7.2.2, p1
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strstreambuf* rdbuf() const {
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return _RWSTD_CONST_CAST (strstreambuf*, &_C_sb);
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}
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// D.7.2.1, p1, and p2
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_EXPLICIT
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istrstream (const char_type *__s, streamsize __n = 0)
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: _Base (rdbuf ()), _C_sb (__s, __n) { }
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_EXPLICIT
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istrstream (char_type *__s, streamsize __n = 0)
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: _Base (rdbuf ()), _C_sb (__s, __n) { }
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// D.7.2.2, p2
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char_type* str () {
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return rdbuf ()->str ();
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}
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private:
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strstreambuf _C_sb;
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};
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class _RWSTD_EXPORT ostrstream
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: public basic_ostream<char, char_traits<char> >
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{
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typedef basic_ostream<char, char_traits<char> > _Base;
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public:
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strstreambuf* rdbuf() const {
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return _RWSTD_CONST_CAST (strstreambuf*, &_C_sb);
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}
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ostrstream (): _Base (rdbuf ()) { }
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ostrstream (char_type *__s, int __n,
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ios_base::openmode __mode = ios_base::out)
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: _Base (rdbuf ()),
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_C_sb (__s, streamsize (__n),
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__mode & (ios_base::app | ios_base::ate) ?
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__s + traits_type::length (__s) : __s)
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{ }
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void freeze (bool __freezefl = true) {
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rdbuf ()->freeze (__freezefl);
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}
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char_type *str () {
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return rdbuf ()->str();
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}
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int pcount() const {
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return rdbuf ()->pcount();
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}
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private:
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strstreambuf _C_sb;
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};
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// D.7.3
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class _RWSTD_EXPORT strstream
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: public basic_iostream<char, char_traits<char> >
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{
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typedef basic_iostream<char, char_traits<char> > _Base;
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public:
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strstreambuf* rdbuf() const {
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return _RWSTD_CONST_CAST (strstreambuf*, &_C_sb);
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}
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strstream (): _Base (rdbuf ()), _C_sb () { }
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strstream (char_type *__s, int __n,
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ios_base::openmode __mode = ios_base::out | ios_base::in)
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: _Base (rdbuf ()),
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_C_sb (__s, streamsize (__n),
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__mode & (ios_base::app | ios_base::ate) ?
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__s + traits_type::length (__s) : __s)
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{ }
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void freeze (bool __freezefl = true) {
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rdbuf ()->freeze (__freezefl);
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}
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int pcount() const {
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return rdbuf ()->pcount();
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}
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char_type *str() {
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return rdbuf ()->str();
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}
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private:
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strstreambuf _C_sb;
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};
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} // namespace std
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#endif //_RWSTD_STRSTREAM_INCLUDED
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