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/*============================================================================
KWSys - Kitware System Library
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef @KWSYS_NAMESPACE@_FStream_hxx
#define @KWSYS_NAMESPACE@_FStream_hxx
#include <@KWSYS_NAMESPACE@/ios/fstream>
#include <@KWSYS_NAMESPACE@/Encoding.hxx>
namespace @KWSYS_NAMESPACE@
{
#if defined(_MSC_VER) && _MSC_VER >= 1400
# if defined(_NOEXCEPT)
# define @KWSYS_NAMESPACE@_FStream_NOEXCEPT _NOEXCEPT
# else
# define @KWSYS_NAMESPACE@_FStream_NOEXCEPT
# endif
template<typename CharType,typename Traits>
class basic_filebuf : public std::basic_filebuf<CharType,Traits>
{
public:
typedef std::basic_filebuf<CharType,Traits> my_base_type;
basic_filebuf *open(char const *s,std::ios_base::openmode mode)
{
return static_cast<basic_filebuf*>(
my_base_type::open(Encoding::ToWide(s).c_str(), mode)
);
}
};
template<typename CharType,typename Traits = std::char_traits<CharType> >
class basic_ifstream : public std::basic_istream<CharType,Traits>
{
public:
typedef basic_filebuf<CharType,Traits> internal_buffer_type;
typedef std::basic_istream<CharType,Traits> internal_stream_type;
basic_ifstream() : internal_stream_type(new internal_buffer_type())
{
buf_ = static_cast<internal_buffer_type *>(internal_stream_type::rdbuf());
}
explicit basic_ifstream(char const *file_name,
std::ios_base::openmode mode = std::ios_base::in)
: internal_stream_type(new internal_buffer_type())
{
buf_ = static_cast<internal_buffer_type *>(internal_stream_type::rdbuf());
open(file_name,mode);
}
void open(char const *file_name,std::ios_base::openmode mode = std::ios_base::in)
{
if(!buf_->open(file_name,mode | std::ios_base::in))
{
this->setstate(std::ios_base::failbit);
}
else
{
this->clear();
}
}
bool is_open()
{
return buf_->is_open();
}
bool is_open() const
{
return buf_->is_open();
}
void close()
{
if(!buf_->close())
{
this->setstate(std::ios_base::failbit);
}
else
{
this->clear();
}
}
internal_buffer_type *rdbuf() const
{
return buf_;
}
~basic_ifstream() @KWSYS_NAMESPACE@_FStream_NOEXCEPT
{
buf_->close();
delete buf_;
}
private:
internal_buffer_type* buf_;
};
template<typename CharType,typename Traits = std::char_traits<CharType> >
class basic_ofstream : public std::basic_ostream<CharType,Traits>
{
public:
typedef basic_filebuf<CharType,Traits> internal_buffer_type;
typedef std::basic_ostream<CharType,Traits> internal_stream_type;
basic_ofstream() : internal_stream_type(new internal_buffer_type())
{
buf_ = static_cast<internal_buffer_type *>(internal_stream_type::rdbuf());
}
explicit basic_ofstream(char const *file_name,std::ios_base::openmode mode = std::ios_base::out) :
internal_stream_type(new internal_buffer_type())
{
buf_ = static_cast<internal_buffer_type *>(internal_stream_type::rdbuf());
open(file_name,mode);
}
void open(char const *file_name,std::ios_base::openmode mode = std::ios_base::out)
{
if(!buf_->open(file_name,mode | std::ios_base::out))
{
this->setstate(std::ios_base::failbit);
}
else
{
this->clear();
}
}
bool is_open()
{
return buf_->is_open();
}
bool is_open() const
{
return buf_->is_open();
}
void close()
{
if(!buf_->close())
{
this->setstate(std::ios_base::failbit);
}
else
{
this->clear();
}
}
internal_buffer_type *rdbuf() const
{
return buf_.get();
}
~basic_ofstream() @KWSYS_NAMESPACE@_FStream_NOEXCEPT
{
buf_->close();
delete buf_;
}
private:
internal_buffer_type* buf_;
};
typedef basic_ifstream<char> ifstream;
typedef basic_ofstream<char> ofstream;
# undef @KWSYS_NAMESPACE@_FStream_NOEXCEPT
#else
using @KWSYS_NAMESPACE@_ios_namespace::ofstream;
using @KWSYS_NAMESPACE@_ios_namespace::ifstream;
#endif
namespace FStream
{
enum BOM
{
BOM_None,
BOM_UTF8,
BOM_UTF16BE,
BOM_UTF16LE,
BOM_UTF32BE,
BOM_UTF32LE
};
// Read a BOM, if one exists.
// If a BOM exists, the stream is advanced to after the BOM.
// This function requires a seekable stream (but not a relative
// seekable stream).
BOM ReadBOM(std::istream& in);
}
}
#endif
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