void
ssa_parser_c::decode_chars(unsigned char c1,
unsigned char c2,
unsigned char c3,
unsigned char c4,
memory_cptr &buffer,
size_t bytes_to_add,
size_t &allocated) {
unsigned char bytes[3];
uint32_t value = ((c1 - 33) << 18) + ((c2 - 33) << 12) + ((c3 - 33) << 6) + (c4 - 33);
bytes[2] = value & 0x0000ff;
bytes[1] = (value & 0x00ff00) >> 8;
bytes[0] = (value & 0xff0000) >> 16;
if ((buffer->get_size() + bytes_to_add) > allocated) {
int old_size = buffer->get_size();
allocated += 1024;
buffer->resize(allocated);
buffer->set_size(old_size);
}
memcpy(buffer->get_buffer() + buffer->get_size(), bytes, bytes_to_add);
buffer->set_size(buffer->get_size() + bytes_to_add);
}
uint32_t
mm_io_c::read(memory_cptr &buffer,
size_t size,
int offset) {
if (-1 == offset)
offset = buffer->get_size();
if (buffer->get_size() <= (size + static_cast<size_t>(offset)))
buffer->resize(size + offset);
if (read(buffer->get_buffer() + offset, size) != size)
throw mtx::mm_io::end_of_file_x();
buffer->set_size(size + offset);
return size;
}
