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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* Neither the name of Nokia Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Description:
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*
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*/
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#ifndef _STLP_INTERNAL_STREAMBUF
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#include <stl/_streambuf.h>
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#endif
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#ifndef _STLP_ISTREAM
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#include <istream> // Includes <ostream>, <ios>, <iosfwd>
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#endif
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#ifndef _STLP_STRING_H
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#include <stl/_string.h>
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#endif
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_STLP_BEGIN_NAMESPACE
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#ifndef _STLP_USE_NAMESPACES
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# define strstream _STLP_strstream
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# define ostrstream _STLP_ostrstream
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# define istrstream _STLP_istrstream
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# define strstreambuf _STLP_strstreambuf
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#endif
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//----------------------------------------------------------------------
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// Class strstreambuf, a streambuf class that manages an array of char.
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// Note that this class is not a template.
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#ifdef __SYMBIAN32__
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class strstreambuf : public basic_streambuf<char, char_traits<char> >
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#else
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class _STLP_CLASS_DECLSPEC strstreambuf : public basic_streambuf<char, char_traits<char> >
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#endif
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{
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public: // Types.
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typedef char_traits<char> _Traits;
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typedef basic_streambuf<char, char_traits<char> > _Base;
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typedef void* (*__alloc_fn)(size_t);
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typedef void (*__free_fn)(void*);
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public: // Constructor, destructor
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explicit strstreambuf(streamsize _Initial_capacity = 0);
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_STLP_DECLSPEC strstreambuf(__alloc_fn, __free_fn);
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_STLP_DECLSPEC strstreambuf(char* __get, streamsize __n, char* __put = 0);
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_STLP_DECLSPEC strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0);
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_STLP_DECLSPEC strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0);
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_STLP_DECLSPEC strstreambuf(const char* __get, streamsize __n);
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_STLP_DECLSPEC strstreambuf(const signed char* __get, streamsize __n);
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_STLP_DECLSPEC strstreambuf(const unsigned char* __get, streamsize __n);
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virtual ~strstreambuf();
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public: // strstreambuf operations.
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_STLP_DECLSPEC void freeze(bool = true);
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_STLP_DECLSPEC char* str();
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_STLP_DECLSPEC int pcount() const;
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protected: // Overridden virtual member functions.
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virtual int_type overflow(int_type __c = _Traits::eof());
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virtual int_type pbackfail(int_type __c = _Traits::eof());
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virtual int_type underflow();
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virtual _Base* setbuf(char* __buf, streamsize __n);
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virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir,
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ios_base::openmode __mode
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= ios_base::in | ios_base::out);
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virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode
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= ios_base::in | ios_base::out);
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private: // Helper functions.
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// Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun.
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char* _M_alloc(size_t);
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inline void _M_free(char*);
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// Helper function used in constructors.
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void _M_setup(char* __get, char* __put, streamsize __n);
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private: // Data members.
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__alloc_fn _M_alloc_fun;
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__free_fn _M_free_fun;
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bool _M_dynamic : 1;
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bool _M_frozen : 1;
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bool _M_constant : 1;
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#ifdef __SYMBIAN32__
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char* _pfrozenendsave;
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char* _pgetfrozenendsave;
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#endif
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};
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inline strstreambuf::~strstreambuf()
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{
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#ifdef __SYMBIAN32__
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if (_M_dynamic && !_M_frozen)
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{
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if (_M_free_fun)
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_M_free_fun(eback());
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else
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_M_free(eback());
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}
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#else
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if (_M_dynamic && !_M_frozen)
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_M_free(eback());
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#endif
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}
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inline void strstreambuf::_M_free(char* p)
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{
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if (p)
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if (_M_free_fun)
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_M_free_fun(p);
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else
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delete[] p;
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}
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//----------------------------------------------------------------------
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// Class istrstream, an istream that manages a strstreambuf.
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#ifdef __SYMBIAN32__
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NONSHARABLE_CLASS (istrstream) : public basic_istream<char, char_traits<char> >
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#else
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class _STLP_CLASS_DECLSPEC istrstream : public basic_istream<char, char_traits<char> >
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#endif
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{
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public:
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_STLP_DECLSPEC explicit istrstream(char*);
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_STLP_DECLSPEC explicit istrstream(const char*);
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_STLP_DECLSPEC istrstream(char* , streamsize);
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_STLP_DECLSPEC istrstream(const char*, streamsize);
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virtual ~istrstream();
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_STLP_DECLSPEC strstreambuf* rdbuf() const;
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_STLP_DECLSPEC char* str();
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private:
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strstreambuf _M_buf;
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};
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//----------------------------------------------------------------------
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// Class ostrstream
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#ifdef __SYMBIAN32__
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NONSHARABLE_CLASS (ostrstream) : public basic_ostream<char, char_traits<char> >
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#else
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class _STLP_CLASS_DECLSPEC ostrstream : public basic_ostream<char, char_traits<char> >
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#endif
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{
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public:
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_STLP_DECLSPEC ostrstream();
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_STLP_DECLSPEC ostrstream(char*, int, ios_base::openmode = ios_base::out);
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virtual ~ostrstream();
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_STLP_DECLSPEC strstreambuf* rdbuf() const;
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_STLP_DECLSPEC void freeze(bool = true);
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_STLP_DECLSPEC char* str();
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_STLP_DECLSPEC int pcount() const;
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private:
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strstreambuf _M_buf;
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};
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//----------------------------------------------------------------------
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// Class strstream
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#ifdef __SYMBIAN32__
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NONSHARABLE_CLASS (strstream) : public basic_iostream<char, char_traits<char> >
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#else
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class _STLP_CLASS_DECLSPEC strstream : public basic_iostream<char, char_traits<char> >
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#endif
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{
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public:
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typedef char char_type;
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typedef char_traits<char>::int_type int_type;
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typedef char_traits<char>::pos_type pos_type;
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typedef char_traits<char>::off_type off_type;
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_STLP_DECLSPEC strstream();
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_STLP_DECLSPEC strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out);
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virtual ~strstream();
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_STLP_DECLSPEC strstreambuf* rdbuf() const;
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_STLP_DECLSPEC void freeze(bool = true);
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_STLP_DECLSPEC int pcount() const;
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_STLP_DECLSPEC char* str();
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private:
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strstreambuf _M_buf;
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};
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_STLP_END_NAMESPACE
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