bool MemoryFileImpl::Rewind()
{
mActBufferId = 0;
for( Buffers::iterator i = mBuffers.begin(), e = mBuffers.end(); i != e; ++i )
{
i->pos = 0;
}
return true;
}
void dump_buffers(Buffers const & buffers)
{
std::cout << "dump_buffers:" << std::endl;
typedef typename Buffers::const_iterator const_iterator;
for (const_iterator iter = buffers.begin(); iter != buffers.end(); ++iter) {
boost::asio::const_buffer buffer(*iter);
std::cout << buffer_cast<char const *>(buffer) - buf << ":" << buffer_size(buffer) << std::endl;
}
};
static void validate(const Buffers& buffer_sequence)
{
typename Buffers::const_iterator iter = buffer_sequence.begin();
typename Buffers::const_iterator end = buffer_sequence.end();
for (; iter != end; ++iter)
{
Buffer buffer(*iter);
riakboost::asio::buffer_cast<const void*>(buffer);
}
}
static bool all_empty(const Buffers& buffer_sequence)
{
typename Buffers::const_iterator iter = buffer_sequence.begin();
typename Buffers::const_iterator end = buffer_sequence.end();
std::size_t i = 0;
for (; iter != end && i < max_buffers; ++iter, ++i)
if (riakboost::asio::buffer_size(Buffer(*iter)) > 0)
return false;
return true;
}
explicit buffer_sequence_adapter(const Buffers& buffer_sequence)
: count_(0), total_buffer_size_(0)
{
typename Buffers::const_iterator iter = buffer_sequence.begin();
typename Buffers::const_iterator end = buffer_sequence.end();
for (; iter != end && count_ < max_buffers; ++iter, ++count_)
{
Buffer buffer(*iter);
init_native_buffer(buffers_[count_], buffer);
total_buffer_size_ += riakboost::asio::buffer_size(buffer);
}
}
static Buffer first(const Buffers& buffer_sequence)
{
typename Buffers::const_iterator iter = buffer_sequence.begin();
typename Buffers::const_iterator end = buffer_sequence.end();
for (; iter != end; ++iter)
{
Buffer buffer(*iter);
if (riakboost::asio::buffer_size(buffer) != 0)
return buffer;
}
return Buffer();
}
bool MemoryFileImpl::CopyTo( File& Other )
{
for( Buffers::const_iterator i = mBuffers.begin(), e = mBuffers.end(); i != e; ++i )
{
if( !i->size )
{
break;
}
std::string Data( i->data, i->size );
if( !Other.Write( Data ) )
{
return false;
}
}
return true;
}