CMake/Source/kwsys/kwsys_std_sstream.h.in

124 lines
3.2 KiB
C

/*=========================================================================
Program: KWSys - Kitware System Library
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef @KWSYS_NAMESPACE@_std_sstream
#define @KWSYS_NAMESPACE@_std_sstream
#include <@KWSYS_NAMESPACE@/Configure.hxx>
#if !defined(KWSYS_NO_ANSI_STRING_STREAM)
# ifdef _MSC_VER
# pragma warning (push, 1)
# pragma warning (disable: 4702)
# endif
# include <sstream>
# ifdef _MSC_VER
# pragma warning(pop)
# endif
#else
# ifdef _MSC_VER
# pragma warning (push, 1)
# pragma warning (disable: 4702)
# endif
# if !defined(KWSYS_NO_ANSI_STREAM_HEADERS)
# include <strstream>
# else
# include <strstream.h>
# if !defined(KWSYS_NO_STD_NAMESPACE) && !defined(KWSYS_FAKE_STD_NAMESPACE)
namespace std
{
using ::ostream;
using ::istream;
using ::istrstream;
using ::ostrstream;
using ::ios;
using ::endl;
using ::ends;
using ::flush;
}
# endif
# endif
# ifdef _MSC_VER
# pragma warning(pop)
# endif
// Only have old std::strstream classes. Wrap them to look like new
// ostringstream and istringstream classes.
# include <@KWSYS_NAMESPACE@/std/string>
# if !defined(KWSYS_NO_STD_NAMESPACE)
namespace std
{
# endif
class ostringstream_cleanup
{
public:
ostringstream_cleanup(kwsys_std::ostrstream& ostr): m_OStrStream(ostr) {}
~ostringstream_cleanup() { m_OStrStream.rdbuf()->freeze(0); }
static void IgnoreUnusedVariable(const ostringstream_cleanup&) {}
protected:
kwsys_std::ostrstream& m_OStrStream;
};
class ostringstream: public kwsys_std::ostrstream
{
public:
typedef kwsys_std::ostrstream Superclass;
ostringstream() {}
kwsys_std::string str()
{
ostringstream_cleanup cleanup(*this);
ostringstream_cleanup::IgnoreUnusedVariable(cleanup);
int pcount = this->pcount();
const char* ptr = this->Superclass::str();
return kwsys_std::string(ptr?ptr:"", pcount);
}
private:
ostringstream(const ostringstream&);
void operator=(const ostringstream&);
};
class istringstream: private kwsys_std::string, public kwsys_std::istrstream
{
public:
typedef kwsys_std::string StdString;
typedef kwsys_std::istrstream IStrStream;
istringstream(): StdString(), IStrStream(StdString::c_str()) {}
istringstream(const kwsys_std::string& s):
StdString(s), IStrStream(StdString::c_str()) {}
kwsys_std::string str() const { return *this; }
void str(const kwsys_std::string& s)
{
// Very dangerous. If this throws, the object is hosed. When the
// destructor is later called, the program is hosed too.
this->~istringstream();
new (this) istringstream(s);
}
private:
istringstream(const istringstream&);
void operator=(const istringstream&);
};
# if !defined(KWSYS_NO_STD_NAMESPACE)
}
# endif
#endif
#endif