CMake/Source/kwsys/kwsys_stl_string.hxx.in

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/*=========================================================================
Program: KWSys - Kitware System Library
Module: $RCSfile$
Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
// This header is extra code for <@KWSYS_NAMESPACE@/stl/string>.
#if !defined(@KWSYS_NAMESPACE@_stl_string_including_hxx)
# error "The header <@KWSYS_NAMESPACE@/stl/string.hxx> may be included only by <@KWSYS_NAMESPACE@/stl/string>."
#endif
// Provide the istream operator for the stl string if it is not
// provided by the system or another copy of kwsys. Allow user code
// to block this definition by defining the macro
// @KWSYS_NAMESPACE@_STL_STRING_NO_ISTREAM
// to avoid conflicts with other libraries. User code can test for
// this definition by checking the macro
// @KWSYS_NAMESPACE@_STL_STRING_ISTREAM_DEFINED
#if !@KWSYS_NAMESPACE@_STL_STRING_HAVE_ISTREAM && !defined(@KWSYS_NAMESPACE@_STL_STRING_NO_ISTREAM) && !defined(KWSYS_STL_STRING_ISTREAM_DEFINED)
# define KWSYS_STL_STRING_ISTREAM_DEFINED
# define @KWSYS_NAMESPACE@_STL_STRING_ISTREAM_DEFINED
# include <ctype.h> // isspace
# include <@KWSYS_NAMESPACE@/ios/iostream>
# if defined(__WATCOMC__)
namespace @KWSYS_NAMESPACE@
{
struct ios_istream_hack: public kwsys_ios::istream
{ void eatwhite() { this->@KWSYS_NAMESPACE@_ios::istream::eatwhite(); } };
}
# endif
inline @KWSYS_NAMESPACE@_ios::istream&
operator>>(@KWSYS_NAMESPACE@_ios::istream& is,
@KWSYS_NAMESPACE@_stl::string& s)
{
// Keep track of the resulting state.
int state = @KWSYS_NAMESPACE@_ios::ios::goodbit;
// Save the width setting and set it back to zero.
size_t n = static_cast<size_t>(is.width(0));
// Clear any old contents of the output string.
s.erase();
// Skip leading whitespace.
#if defined(__WATCOMC__)
static_cast<@KWSYS_NAMESPACE@::ios_istream_hack&>(is).eatwhite();
#else
is.eatwhite();
#endif
@KWSYS_NAMESPACE@_ios::istream& okay = is;
if(okay)
{
// Select a maximum possible length.
if(n == 0 || n >= s.max_size())
{
n = s.max_size();
}
// Read until a space is found or the maximum length is reached.
bool success = false;
for(int c = is.peek(); (--n > 0 && c != EOF && !isspace(c)); c = is.peek())
{
s += static_cast<char>(c);
success = true;
is.ignore();
}
// Set flags for resulting state.
if(is.peek() == EOF) { state |= @KWSYS_NAMESPACE@_ios::ios::eofbit; }
if(!success) { state |= @KWSYS_NAMESPACE@_ios::ios::failbit; }
}
// Set the final result state.
is.clear(state);
return is;
}
#endif
// Provide the ostream operator for the stl string if it is not
// provided by the system or another copy of kwsys. Allow user code
// to block this definition by defining the macro
// @KWSYS_NAMESPACE@_STL_STRING_NO_OSTREAM
// to avoid conflicts with other libraries. User code can test for
// this definition by checking the macro
// @KWSYS_NAMESPACE@_STL_STRING_OSTREAM_DEFINED
#if !@KWSYS_NAMESPACE@_STL_STRING_HAVE_OSTREAM && !defined(@KWSYS_NAMESPACE@_STL_STRING_NO_OSTREAM) && !defined(KWSYS_STL_STRING_OSTREAM_DEFINED)
# define KWSYS_STL_STRING_OSTREAM_DEFINED
# define @KWSYS_NAMESPACE@_STL_STRING_OSTREAM_DEFINED
# include <@KWSYS_NAMESPACE@/ios/iostream>
inline @KWSYS_NAMESPACE@_ios::ostream&
operator<<(@KWSYS_NAMESPACE@_ios::ostream& os,
@KWSYS_NAMESPACE@_stl::string const& s)
{
return os << s.c_str();
}
#endif
// Provide the operator!= for the stl string and char* if it is not
// provided by the system or another copy of kwsys. Allow user code
// to block this definition by defining the macro
// @KWSYS_NAMESPACE@_STL_STRING_NO_NEQ_CHAR
// to avoid conflicts with other libraries. User code can test for
// this definition by checking the macro
// @KWSYS_NAMESPACE@_STL_STRING_NEQ_CHAR_DEFINED
#if !@KWSYS_NAMESPACE@_STL_STRING_HAVE_NEQ_CHAR && !defined(@KWSYS_NAMESPACE@_STL_STRING_NO_NEQ_CHAR) && !defined(KWSYS_STL_STRING_NEQ_CHAR_DEFINED)
# define KWSYS_STL_STRING_NEQ_CHAR_DEFINED
# define @KWSYS_NAMESPACE@_STL_STRING_NEQ_CHAR_DEFINED
inline bool operator!=(@KWSYS_NAMESPACE@_stl::string const& s, const char* c)
{
return !(s == c);
}
inline bool operator!=(const char* c, @KWSYS_NAMESPACE@_stl::string const& s)
{
return !(s == c);
}
#endif