epoc32/include/stdapis/stlport/stl/_strstream.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
--- a/epoc32/include/stdapis/stlport/stl/_strstream.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/stdapis/stlport/stl/_strstream.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,213 @@
-_strstream.h
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
+
+* Redistribution and use in source and binary forms, with or without 
+* modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this 
+* list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright notice, 
+* this list of conditions and the following disclaimer in the documentation 
+* and/or other materials provided with the distribution.
+* Neither the name of Nokia Corporation nor the names of its contributors 
+* may be used to endorse or promote products derived from this software 
+* without specific prior written permission.
+
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
+* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+* Description:
+*
+*/
+
+#ifndef _STLP_INTERNAL_STREAMBUF
+#include <stl/_streambuf.h>
+#endif
+#ifndef _STLP_ISTREAM
+#include <istream>              // Includes <ostream>, <ios>, <iosfwd>
+#endif
+#ifndef _STLP_STRING_H
+#include <stl/_string.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+#ifndef _STLP_USE_NAMESPACES
+# define strstream _STLP_strstream 
+# define ostrstream _STLP_ostrstream
+# define istrstream _STLP_istrstream
+# define strstreambuf _STLP_strstreambuf
+#endif
+
+//----------------------------------------------------------------------
+// Class strstreambuf, a streambuf class that manages an array of char.
+// Note that this class is not a template.
+#ifdef __SYMBIAN32__
+class strstreambuf : public basic_streambuf<char, char_traits<char> > 
+#else
+class _STLP_CLASS_DECLSPEC strstreambuf : public basic_streambuf<char, char_traits<char> >
+#endif
+{
+public:                         // Types.
+  typedef char_traits<char>              _Traits;
+  typedef basic_streambuf<char, char_traits<char> > _Base;
+  typedef void* (*__alloc_fn)(size_t);
+  typedef void (*__free_fn)(void*);
+public:                         // Constructor, destructor
+
+  explicit strstreambuf(streamsize _Initial_capacity = 0);
+
+  _STLP_DECLSPEC strstreambuf(__alloc_fn, __free_fn);
+
+  _STLP_DECLSPEC strstreambuf(char* __get, streamsize __n, char* __put = 0);
+  _STLP_DECLSPEC strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0);
+  _STLP_DECLSPEC strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0);
+
+  _STLP_DECLSPEC strstreambuf(const char* __get, streamsize __n);
+  _STLP_DECLSPEC strstreambuf(const signed char* __get, streamsize __n);
+  _STLP_DECLSPEC strstreambuf(const unsigned char* __get, streamsize __n);
+
+  virtual ~strstreambuf();
+
+public:                         // strstreambuf operations.
+  _STLP_DECLSPEC void freeze(bool = true);
+  _STLP_DECLSPEC char* str();
+  _STLP_DECLSPEC int pcount() const;
+
+protected:                      // Overridden virtual member functions.
+  virtual int_type overflow(int_type __c  = _Traits::eof());
+  virtual int_type pbackfail(int_type __c = _Traits::eof());
+  virtual int_type underflow();
+  virtual _Base* setbuf(char* __buf, streamsize __n);
+  virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir,
+                           ios_base::openmode __mode 
+                                      = ios_base::in | ios_base::out);
+  virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode 
+                                      = ios_base::in | ios_base::out);
+
+private:                        // Helper functions.
+  // Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun.
+  char* _M_alloc(size_t);
+  inline void  _M_free(char*);
+
+  // Helper function used in constructors.
+  void _M_setup(char* __get, char* __put, streamsize __n);
+private:                        // Data members.
+  __alloc_fn _M_alloc_fun;
+  __free_fn  _M_free_fun;
+  bool _M_dynamic  : 1;
+  bool _M_frozen   : 1;
+  bool _M_constant : 1;
+#ifdef __SYMBIAN32__
+  char* _pfrozenendsave;
+  char* _pgetfrozenendsave;
+#endif
+};
+
+inline strstreambuf::~strstreambuf()
+{
+#ifdef __SYMBIAN32__
+  if (_M_dynamic && !_M_frozen)
+  {
+  	if (_M_free_fun)
+  		_M_free_fun(eback());
+  	else
+  		_M_free(eback());
+  }
+#else  
+	if (_M_dynamic && !_M_frozen)
+        _M_free(eback());
+#endif	
+}
+
+inline void strstreambuf::_M_free(char* p)
+{
+  if (p)
+    if (_M_free_fun)
+      _M_free_fun(p);
+    else
+      delete[] p;
+}
+
+
+//----------------------------------------------------------------------
+// Class istrstream, an istream that manages a strstreambuf.
+
+#ifdef __SYMBIAN32__
+NONSHARABLE_CLASS (istrstream) : public basic_istream<char, char_traits<char> >
+#else
+class _STLP_CLASS_DECLSPEC istrstream : public basic_istream<char, char_traits<char> >
+#endif
+{
+public:
+  _STLP_DECLSPEC explicit istrstream(char*);
+  _STLP_DECLSPEC explicit istrstream(const char*);
+  _STLP_DECLSPEC istrstream(char* , streamsize);
+  _STLP_DECLSPEC istrstream(const char*, streamsize);
+  virtual ~istrstream();
+  
+  _STLP_DECLSPEC strstreambuf* rdbuf() const;
+  _STLP_DECLSPEC char* str();
+
+private:
+  strstreambuf _M_buf;
+};
+
+//----------------------------------------------------------------------
+// Class ostrstream
+#ifdef __SYMBIAN32__
+NONSHARABLE_CLASS (ostrstream) : public basic_ostream<char, char_traits<char> >
+#else
+class _STLP_CLASS_DECLSPEC ostrstream : public basic_ostream<char, char_traits<char> >
+#endif
+{
+public:
+  _STLP_DECLSPEC ostrstream();
+  _STLP_DECLSPEC ostrstream(char*, int, ios_base::openmode = ios_base::out);
+  virtual ~ostrstream();
+
+  _STLP_DECLSPEC strstreambuf* rdbuf() const;
+  _STLP_DECLSPEC void freeze(bool = true);
+  _STLP_DECLSPEC char* str();
+  _STLP_DECLSPEC int pcount() const;
+
+private:
+  strstreambuf _M_buf;
+};
+
+//----------------------------------------------------------------------
+// Class strstream
+#ifdef __SYMBIAN32__
+NONSHARABLE_CLASS (strstream) : public basic_iostream<char, char_traits<char> >
+#else
+class _STLP_CLASS_DECLSPEC strstream : public basic_iostream<char, char_traits<char> >
+#endif
+{
+public:
+  typedef char                        char_type;
+  typedef char_traits<char>::int_type int_type;
+  typedef char_traits<char>::pos_type pos_type;
+  typedef char_traits<char>::off_type off_type;
+
+  _STLP_DECLSPEC strstream();
+  _STLP_DECLSPEC strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out);
+  virtual ~strstream();
+
+  _STLP_DECLSPEC strstreambuf* rdbuf() const;
+  _STLP_DECLSPEC void freeze(bool = true);
+  _STLP_DECLSPEC int pcount() const;
+  _STLP_DECLSPEC char* str();
+
+private:
+  strstreambuf _M_buf;
+};
+
+_STLP_END_NAMESPACE