ext::basic_omemstream< Item_t, Traits_t, Allocator_t > Class Template Reference

#include <memstream.h>

Inheritance diagram for ext::basic_omemstream< Item_t, Traits_t, Allocator_t >:

Public Types
typedef Traits_t::char_type	char_type
typedef Traits_t::int_type	int_type
typedef Traits_t	traits_type

Public Member Functions
	basic_omemstream (char_type *buf, size_t size)
char_type *	begin () const
bool	empty () const
char_type *	end () const
size_t	size () const

Private Member Functions
int_type	overflow (int_type c) override
int	sync () override
std::streamsize	xsputn (char_type const *data, std::streamsize size) override

Private Attributes
char_type *	buffer
char_type *	cur
char_type *	last

Detailed Description

template<typename Item_t, typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>
class ext::basic_omemstream< Item_t, Traits_t, Allocator_t >

Definition at line 22 of file memstream.h.

Member Typedef Documentation

char_type

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

typedef Traits_t::char_type ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::char_type

Definition at line 24 of file memstream.h.

int_type

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

typedef Traits_t::int_type ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::int_type

Definition at line 25 of file memstream.h.

traits_type

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

typedef Traits_t ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::traits_type

Definition at line 26 of file memstream.h.

Constructor & Destructor Documentation

basic_omemstream()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::basic_omemstream ( char_type *  buf, size_t  size  )

inline

Definition at line 28 of file memstream.h.

        : std::basic_ostream<Item_t, Traits_t>(this), buffer(buf), cur(buf), last(buf + size) {
      this->exceptions(std::ios_base::badbit);
    }

Member Function Documentation

begin()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

char_type* ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::begin ( void  ) const

inline

Definition at line 33 of file memstream.h.

{ return buffer; }

References ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::buffer.

empty()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

bool ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::empty ( void  ) const

inline

Definition at line 36 of file memstream.h.

{ return cur == buffer; }

References ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::buffer, and ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::cur.

end()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

char_type* ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::end ( void  ) const

inline

Definition at line 34 of file memstream.h.

{ return cur; }

References ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::cur.

overflow()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

int_type ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::overflow ( int_type  c )

inlineoverrideprivate

Definition at line 46 of file memstream.h.

                                           {
      if (!traits_type::eq_int_type(c, traits_type::eof())) {
        char_type t = traits_type::to_char_type(c);
        if (xsputn(&t, 1) < 1)
          return traits_type::eof();
      }
 
      return c;
    }

References HltBtagPostValidation_cff::c, OrderedSet::t, and ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::xsputn().

size()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

size_t ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::size ( void  ) const

inline

Definition at line 35 of file memstream.h.

{ return cur - buffer; }

References ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::buffer, and ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::cur.

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), and ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::xsputn().

sync()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

int ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::sync ( )

inlineoverrideprivate

Definition at line 56 of file memstream.h.

{ return 0; }

xsputn()

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

std::streamsize ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::xsputn ( char_type const *  data, std::streamsize  size  )

inlineoverrideprivate

Definition at line 39 of file memstream.h.

                                                                             {
      size_t n = std::min<size_t>(last - cur, size);
      traits_type::copy(cur, data, n);
      cur += n;
      return n;
    }

References filterCSVwithJSON::copy, ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::cur, data, ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::last, dqmiodumpmetadata::n, and ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::size().

Referenced by ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::overflow().

Member Data Documentation

buffer

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

char_type* ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::buffer

private

Definition at line 58 of file memstream.h.

Referenced by ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::begin(), ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::empty(), and ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::size().

cur

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

char_type * ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::cur

private

Definition at line 58 of file memstream.h.

Referenced by ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::empty(), ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::end(), ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::size(), and ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::xsputn().

last

template<typename Item_t , typename Traits_t = std::char_traits<Item_t>, typename Allocator_t = std::allocator<Item_t>>

char_type * ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::last

private

Definition at line 58 of file memstream.h.

Referenced by ext::basic_omemstream< Item_t, Traits_t, Allocator_t >::xsputn().