template<class T> void BasicArray<T>::truncate(std::size_t size)
{
TIGHTDB_ASSERT(is_attached());
TIGHTDB_ASSERT(size <= m_size);
copy_on_write(); // Throws
// Update size in accessor and in header. This leaves the capacity
// unchanged.
m_size = size;
set_header_size(size);
}
bsaheadercfa& bsaheadercfa::operator =(const bsaheadercfa& other)
{
if (this != &other) {
set_width_uncompressed(other.get_width());
set_height(other.get_height());
set_width_compressed(other.width_compressed);
set_u2(other.u2);
set_u3(other.u3);
set_bits_per_pixel(other.bits_per_pixel);
set_frame_count(other.frame_count);
set_header_size(other.header_size);
}
return *this;
}
void FileBundleWriter::SaveHeaderFile() {
if (SegmentsEmpty()) {
return; // already closed
}
// Build the header in a buffer in memory
LittleEndianWriteBuffer buffer;
BuildHeaderWriteBuffer(buffer);
file_pool().WriteSimpleFileWithCRC(HeaderPath(),
buffer,
mode_ & ~kExecuteMode);
set_header_size(buffer.size());
set_hdr_orig_abs_path();
}
void BasicArray<T>::erase(std::size_t ndx)
{
TIGHTDB_ASSERT(ndx < m_size);
// Check if we need to copy before modifying
copy_on_write(); // Throws
// move data under deletion up
if (ndx < m_size-1) {
char* base = reinterpret_cast<char*>(m_data);
char* dst_begin = base + ndx*m_width;
const char* src_begin = dst_begin + m_width;
const char* src_end = base + m_size*m_width;
std::copy(src_begin, src_end, dst_begin);
}
// Update size (also in header)
--m_size;
set_header_size(m_size);
}
