40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
|
#ifndef BYTE_BUFFER_SOURCE_HPP_6IBYOI0T
|
||
|
|
#define BYTE_BUFFER_SOURCE_HPP_6IBYOI0T
|
||
|
|
|
||
|
|
#include <vanetza/common/byte_buffer.hpp>
|
||
|
|
#include <boost/iostreams/categories.hpp>
|
||
|
|
#include <boost/range/iterator_range.hpp>
|
||
|
|
|
||
|
|
namespace vanetza
|
||
|
|
{
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Implementation of boost::iostreams' source device concept.
|
||
|
|
* Allows to use a byte buffer as input stream.
|
||
|
|
*/
|
||
|
|
class byte_buffer_source
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef char char_type;
|
||
|
|
typedef boost::iostreams::source_tag category;
|
||
|
|
typedef ByteBuffer::const_iterator iterator;
|
||
|
|
typedef boost::iterator_range<iterator> range;
|
||
|
|
|
||
|
|
static_assert(sizeof(char_type) == sizeof(ByteBuffer::value_type),
|
||
|
|
"size mismatch of char_type and ByteBuffer::value_type");
|
||
|
|
|
||
|
|
byte_buffer_source(const ByteBuffer& buffer);
|
||
|
|
byte_buffer_source(range r);
|
||
|
|
byte_buffer_source(iterator begin, iterator end);
|
||
|
|
std::streamsize read(char_type* buf, std::streamsize n);
|
||
|
|
|
||
|
|
private:
|
||
|
|
iterator m_begin;
|
||
|
|
iterator m_end;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace vanetza
|
||
|
|
|
||
|
|
#endif /* BYTE_BUFFER_SOURCE_HPP_6IBYOI0T */
|
||
|
|
|