/usr/include/CGAL/IO/io.h is in libcgal-dev 4.7-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Andreas Fabri
#ifndef CGAL_IO_H
#define CGAL_IO_H
#include <cstdio>
#include <cctype>
#include <string>
#include <iostream>
#include <CGAL/tags.h>
#include <CGAL/IO/io_tags.h>
#include <CGAL/IO/Color.h>
namespace CGAL {
class IO {
public:
CGAL_EXPORT static int mode;
enum Mode {ASCII = 0, PRETTY, BINARY};
};
template <class T, class F = ::CGAL::Null_tag >
class Output_rep {
const T& t;
public:
//! initialize with a const reference to \a t.
Output_rep( const T& tt) : t(tt) {}
//! perform the output, calls \c operator\<\< by default.
std::ostream& operator()( std::ostream& out) const { return (out << t); }
};
/*! \relates Output_rep
\brief stream output of the \c Output_rep calls its \c operator().
*/
template <class T, class F>
std::ostream&
operator<<( std::ostream& out, Output_rep<T,F> rep) {
return rep( out);
}
//! generic IO output format manipulator.
template <class T>
Output_rep<T>
oformat( const T& t) { return Output_rep<T>(t); }
//! generic IO output format manipulator with formatting tag.
template <class T, class F>
Output_rep<T,F>
oformat( const T& t, F) { return Output_rep<T,F>(t); }
/*!\brief
* input functor class created by the generic IO input manipulator.
*
* It holds a reference to the input object. Default implementation
* calls the stream input operator. Specializations can be written
* for external types not supporting our stream IO format.
*/
template <class T>
class Input_rep {
T& t;
public:
//! initialize with a reference to \a t.
Input_rep( T& tt) : t(tt) {}
//! perform the input, calls \c operator\>\> by default.
std::istream& operator()( std::istream& in) const { return (in >> t); }
};
#if CGAL_FORCE_IFORMAT_DOUBLE || \
( ( _MSC_VER > 1600 ) && (! defined( CGAL_NO_IFORMAT_DOUBLE )) )
template <>
class Input_rep<double> {
double& t;
public:
//! initialize with a reference to \a t.
Input_rep( double& tt) : t(tt) {}
std::istream& operator()( std::istream& is) const
{
typedef std::istream istream;
typedef istream::char_type char_type;
typedef istream::int_type int_type;
typedef istream::traits_type traits_type;
std::string buffer;
buffer.reserve(32);
char_type c;
do {
const int_type i = is.get();
if(i == traits_type::eof()) {
return is;
}
c = static_cast<char_type>(i);
}while (std::isspace(c));
if(c == '-'){
buffer += '-';
} else if(c != '+'){
is.unget();
}
do {
const int_type i = is.get();
if(i == traits_type::eof()) {
is.clear(is.rdstate() & ~std::ios_base::failbit);
break;
}
c = static_cast<char_type>(i);
if(std::isdigit(c) || (c =='.') || (c =='E') || (c =='e') || (c =='+') || (c =='-')){
buffer += c;
}else{
is.unget();
break;
}
}while(true);
if(sscanf(buffer.c_str(), "%lf", &t) != 1) {
// if a 'buffer' does not contain a double, set the fail bit.
is.setstate(std::ios_base::failbit);
}
return is;
}
};
#endif
/*! \relates Input_rep
\brief stream input to the \c Input_rep calls its \c operator().
*/
template <class T>
std::istream&
operator>>( std::istream& in, Input_rep<T> rep) {
return rep( in);
}
//! generic IO input format manipulator.
template <class T>
Input_rep<T>
iformat( T& t) { return Input_rep<T>(t); }
template <class T, class F = Null_tag >
class Benchmark_rep {
const T& t;
public:
//! initialize with a const reference to \a t.
Benchmark_rep( const T& tt) : t(tt) {}
//! perform the output, calls \c operator\<\< by default.
std::ostream& operator()( std::ostream& out) const {
return out << t;
}
// static function to get the benchmark name
static std::string get_benchmark_name() {
return "";
}
};
template <class T, class F>
std::ostream& operator<<( std::ostream& out, Benchmark_rep<T,F> rep) {
return rep( out);
}
template <class T>
Benchmark_rep<T> bmformat( const T& t) { return Benchmark_rep<T>(t); }
template <class T, class F>
Benchmark_rep<T,F> bmformat( const T& t, F) { return Benchmark_rep<T,F>(t); }
CGAL_EXPORT
IO::Mode
get_mode(std::ios& i);
CGAL_EXPORT
IO::Mode
set_ascii_mode(std::ios& i);
CGAL_EXPORT
IO::Mode
set_binary_mode(std::ios& i);
CGAL_EXPORT
IO::Mode
set_pretty_mode(std::ios& i);
CGAL_EXPORT
IO::Mode
set_mode(std::ios& i, IO::Mode m);
CGAL_EXPORT
bool
is_pretty(std::ios& i);
CGAL_EXPORT
bool
is_ascii(std::ios& i);
CGAL_EXPORT
bool
is_binary(std::ios& i);
template < class T >
inline
void
write(std::ostream& os, const T& t, const io_Read_write&)
{
os.write(reinterpret_cast<const char*>(&t), sizeof(t));
}
template < class T >
inline
void
write(std::ostream& os, const T& t, const io_Operator&)
{
os << oformat(t);
}
template < class T >
inline
void
write(std::ostream& os, const T& t, const io_Extract_insert&)
{
insert(os, t);
}
template < class T >
inline
void
write(std::ostream& os, const T& t)
{
write(os, t, typename Io_traits<T>::Io_tag());
}
template < class T >
inline
void
read(std::istream& is, T& t, const io_Read_write&)
{
is.read(reinterpret_cast<char*>(&t), sizeof(t));
}
template < class T >
inline
void
read(std::istream& is, T& t, const io_Operator&)
{
is >> iformat(t);
}
template < class T >
inline
void
read(std::istream& is, T& t, const io_Extract_insert&)
{
extract(is, t);
}
template < class T >
inline
void
read(std::istream& is, T& t)
{
read(is, t, typename Io_traits<T>::Io_tag());
}
inline
std::ostream& operator<<( std::ostream& out, const Color& col)
{
switch(out.iword(IO::mode)) {
case IO::ASCII :
return out << static_cast<int>(col.red()) << ' '
<< static_cast<int>(col.green()) << ' '
<< static_cast<int>(col.blue());
case IO::BINARY :
write(out, static_cast<int>(col.red()));
write(out, static_cast<int>(col.green()));
write(out, static_cast<int>(col.blue()));
return out;
default:
return out << "Color(" << static_cast<int>(col.red()) << ", "
<< static_cast<int>(col.green()) << ", "
<< static_cast<int>(col.blue()) << ')';
}
}
inline
std::istream &operator>>(std::istream &is, Color& col)
{
int r = 0, g = 0, b = 0;
switch(is.iword(IO::mode)) {
case IO::ASCII :
is >> r >> g >> b;
break;
case IO::BINARY :
read(is, r);
read(is, g);
read(is, b);
break;
default:
std::cerr << "" << std::endl;
std::cerr << "Stream must be in ascii or binary mode" << std::endl;
break;
}
col = Color((unsigned char)r,(unsigned char)g,(unsigned char)b);
return is;
}
CGAL_EXPORT
const char* mode_name( IO::Mode m );
// From polynomial.h TODO: Where to put this?
CGAL_EXPORT
void swallow(std::istream &is, char d);
CGAL_EXPORT
void swallow(std::istream &is, const std::string& s );
} //namespace CGAL
#endif // CGAL_IO_H
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