139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
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/*
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*
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* Copyright (C) 2002-2012, OFFIS e.V.
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation were developed by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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*
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* Module: ofstd
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*
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* Author: Andreas Barth
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*
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* Purpose: C++ header to handle standard and old stream libraries.
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*
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*/
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#ifndef OFSTREAM_H
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#define OFSTREAM_H
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#include "dcmtk/config/osconfig.h"
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#ifdef USE_STD_CXX_INCLUDES
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#include <iostream>
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#ifdef HAVE_IOS
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#include <ios>
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#endif
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#include <fstream>
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#include <iomanip>
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// For standard STREAMS library: preference for standard stringstream
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#if defined(HAVE_SSTREAM)
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#include <sstream>
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#define USE_STRINGSTREAM
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#elif defined(HAVE_STRSTREAM)
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#include <strstream>
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#else
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#error DCMTK needs stringstream or strstream type
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#endif
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/* DCMTK by default does not anymore pollute the default namespace by
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* importing namespace std. Earlier releases did this to simplify compatibility
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* with older compilers where STL classes were not consistently defined
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* in namespace std. We now have configure macros which should care for this.
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* If user code still relies on namespace std to be included, compile with
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* macro USING_STD_NAMESPACE defined.
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*/
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#ifdef USING_STD_NAMESPACE
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namespace std { }
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using namespace std;
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#endif
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#else /* USE_STD_CXX_INCLUDES */
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#include <iostream.h>
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#include <fstream.h>
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// For old STREAMS library: preference for strstream
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#if defined(HAVE_STRSTREA_H) || defined(HAVE_STRSTREAM_H)
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#ifdef HAVE_STRSTREA_H
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#include <strstrea.h>
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#else
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#include <strstream.h>
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#endif
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#elif defined(HAVE_SSTREAM_H)
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#include <sstream.h>
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#define USE_STRINGSTREAM
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#else
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#error DCMTK needs stringstream or strstream type
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#endif
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#include <iomanip.h>
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#endif /* USE_STD_CXX_INCLUDES */
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// define STD_NAMESPACE to std:: if the standard namespace exists
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#ifndef STD_NAMESPACE
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#ifdef HAVE_STD_NAMESPACE
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#define STD_NAMESPACE std::
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#else
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#define STD_NAMESPACE
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#endif
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#endif
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#define OFendl STD_NAMESPACE endl
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#ifdef USE_STRINGSTREAM
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typedef STD_NAMESPACE stringstream OFStringStream;
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typedef STD_NAMESPACE ostringstream OFOStringStream;
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typedef STD_NAMESPACE istringstream OFIStringStream;
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#define OFStringStream_ends ""
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#ifdef HAVE_STD_STRING
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#define OFSTRINGSTREAM_GETOFSTRING(oss, strng) \
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OFString strng((oss).str());
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#else
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#define OFSTRINGSTREAM_GETOFSTRING(oss, strng) \
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STD_NAMESPACE string strng##__((oss).str()); \
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OFString strng(strng##__.c_str(), strng##__.length());
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#endif
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// The following two macros define a block structure. Please note that variables
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// declared between xxx_GETSTR and xxx_FREESTR are only valid within this scope.
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#define OFSTRINGSTREAM_GETSTR(oss, chptr) \
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{ \
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STD_NAMESPACE string chptr##__ = (oss).str(); \
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const char *chptr = chptr##__.c_str();
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#define OFSTRINGSTREAM_FREESTR(chptr) \
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}
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#else /* USE_STRINGSTREAM */
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typedef STD_NAMESPACE strstream OFStringStream;
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typedef STD_NAMESPACE ostrstream OFOStringStream;
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typedef STD_NAMESPACE istrstream OFIStringStream;
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#define OFStringStream_ends STD_NAMESPACE ends
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#define OFSTRINGSTREAM_GETOFSTRING(oss, strng) \
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char *strng##__ = (oss).str(); \
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OFString strng(strng##__, (oss).pcount()); \
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delete[] strng##__;
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// The following two macros define a block structure. Please note that variables
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// declared between xxx_GETSTR and xxx_FREESTR are only valid within this scope.
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#define OFSTRINGSTREAM_GETSTR(oss, chptr) \
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{ \
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const char *chptr = (oss).str();
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#define OFSTRINGSTREAM_FREESTR(chptr) \
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delete[] (char *)chptr; \
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}
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#endif /* USE_STRINGSTREAM */
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#endif /* OFSTREAM_H */
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