+void QHexView::initialize_byte_iterator(size_t offset)
+{
+ current_chunk_id_ = 0;
+ current_chunk_offset_ = 0;
+ current_offset_ = offset;
+
+ size_t chunks = data_->chunks.size();
+ for (size_t i = 0; i < chunks; i++) {
+ size_t size = data_->chunks[i].data.size();
+
+ if (offset >= size) {
+ current_chunk_id_++;
+ offset -= size;
+ } else {
+ current_chunk_offset_ = offset;
+ break;
+ }
+ }
+
+ if (current_chunk_id_ < data_->chunks.size())
+ current_chunk_ = data_->chunks[current_chunk_id_];
+}
+
+uint8_t QHexView::get_next_byte(bool* is_next_chunk)
+{
+ if (is_next_chunk != nullptr)
+ *is_next_chunk = (current_chunk_offset_ == 0);
+
+ uint8_t v = 0;
+ if (current_chunk_offset_ < current_chunk_.data.size())
+ v = current_chunk_.data[current_chunk_offset_];
+
+ current_offset_++;
+ current_chunk_offset_++;
+
+ if (current_offset_ > data_size_) {
+ qWarning() << "QHexView::get_next_byte() overran binary data boundary:" <<
+ current_offset_ << "of" << data_size_ << "bytes";
+ return 0xEE;
+ }
+
+ if ((current_chunk_offset_ == current_chunk_.data.size()) && (current_offset_ < data_size_)) {
+ current_chunk_id_++;
+ current_chunk_offset_ = 0;
+ current_chunk_ = data_->chunks[current_chunk_id_];
+ }
+
+ return v;