342   for (auto &boxchar : boxchars_) {  in ClearBoxes()  local
343     delete boxchar;  in ClearBoxes()
414   for (auto &boxchar : *boxchars) {  in MergeBoxCharsToWords()
415     if (boxchar->ch() == " " || boxchar->box() == nullptr) {  in MergeBoxCharsToWords()
416       result.push_back(boxchar);  in MergeBoxCharsToWords()
417       boxchar = nullptr;  in MergeBoxCharsToWords()
425       result.push_back(boxchar);  in MergeBoxCharsToWords()
426       boxchar = nullptr;  in MergeBoxCharsToWords()
430       const Box *box = boxchar->box();  in MergeBoxCharsToWords()
444         result.push_back(boxchar);  in MergeBoxCharsToWords()
445         boxchar = nullptr;  in MergeBoxCharsToWords()
449       last_boxchar->mutable_ch()->append(boxchar->ch());  in MergeBoxCharsToWords()
454       delete boxchar;  in MergeBoxCharsToWords()
455       boxchar = nullptr;  in MergeBoxCharsToWords()
501       auto *boxchar = new BoxChar(" ", 1);  in ComputeClusterBoxes()  local
502       boxchar->set_page(page_);  in ComputeClusterBoxes()
503       start_byte_to_box[start_byte_index] = boxchar;  in ComputeClusterBoxes()
525     auto *boxchar = new BoxChar(cluster_text.c_str(), cluster_text.size());  in ComputeClusterBoxes()  local
526     boxchar->set_page(page_);  in ComputeClusterBoxes()
527     boxchar->AddBox(cluster_rect.x, cluster_rect.y, cluster_rect.width, cluster_rect.height);  in ComputeClusterBoxes()
528     start_byte_to_box[start_byte_index] = boxchar;  in ComputeClusterBoxes()