Method BuildListOfAllLeaves

deps/tesseract/ccmain/paramsd.cpp:196–266

Find all editable parameters used within tesseract and create a SVMenuNode tree from it. TODO (wanke): This is actually sort of hackish.

// SVMenuNode tree from it.
// TODO (wanke): This is actually sort of hackish.
SVMenuNode* ParamsEditor::BuildListOfAllLeaves(tesseract::Tesseract *tess) {
  SVMenuNode* mr = new SVMenuNode();
  ParamContent_LIST vclist;
  ParamContent_IT vc_it(&vclist);
  // Amount counts the number of entries for a specific char*.
  // TODO(rays) get rid of the use of std::map.
  std::map<const char*, int> amount;

  // Add all parameters to a list.
  int v, i;
  int num_iterations = (tess->params() == NULL) ? 1 : 2;
  for (v = 0; v < num_iterations; ++v) {
    tesseract::ParamsVectors *vec = (v == 0) ? GlobalParams() : tess->params();
    for (i = 0; i < vec->int_params.size(); ++i) {
      vc_it.add_after_then_move(new ParamContent(vec->int_params[i]));
    }
    for (i = 0; i < vec->bool_params.size(); ++i) {
      vc_it.add_after_then_move(new ParamContent(vec->bool_params[i]));
    }
    for (i = 0; i < vec->string_params.size(); ++i) {
      vc_it.add_after_then_move(new ParamContent(vec->string_params[i]));
    }
    for (i = 0; i < vec->double_params.size(); ++i) {
      vc_it.add_after_then_move(new ParamContent(vec->double_params[i]));
    }
  }

  // Count the # of entries starting with a specific prefix.
  for (vc_it.mark_cycle_pt(); !vc_it.cycled_list(); vc_it.forward()) {
    ParamContent* vc = vc_it.data();
    STRING tag;
    STRING tag2;
    STRING tag3;

    GetPrefixes(vc->GetName(), &tag, &tag2, &tag3);
    amount[tag.string()]++;
    amount[tag2.string()]++;
    amount[tag3.string()]++;
  }

  vclist.sort(ParamContent::Compare);  // Sort the list alphabetically.

  SVMenuNode* other = mr->AddChild("OTHER");

  // go through the list again and this time create the menu structure.
  vc_it.move_to_first();
  for (vc_it.mark_cycle_pt(); !vc_it.cycled_list(); vc_it.forward()) {
    ParamContent* vc = vc_it.data();
    STRING tag;
    STRING tag2;
    STRING tag3;
    GetPrefixes(vc->GetName(), &tag, &tag2, &tag3);

    if (amount[tag.string()] == 1) {
      other->AddChild(vc->GetName(), vc->GetId(), vc->GetValue().string(),
                      vc->GetDescription());
    } else {  // More than one would use this submenu -> create submenu.
      SVMenuNode* sv = mr->AddChild(tag.string());