C++ BrowserNodeList::first方法代码示例

bool ClassInstanceData::tool_cmd(ToolCom * com, const char * args,
				 BrowserNode * bn, const QString & comment) {
  if (((unsigned char) args[-1]) >= firstSetCmd) {
    if (!bn->is_writable() && !root_permission())
      com->write_ack(FALSE);
    else {
      switch ((unsigned char) args[-1]) {
      case setTypeCmd:
	set_class((BrowserClass *) com->get_id(args));
	break;
      case setAttributeCmd:
	{
	  BrowserAttribute * at = (BrowserAttribute *) com->get_id(args);
	  bool find = FALSE;
	  Q3ValueList<SlotAttr>::Iterator it_attr;
	  
	  for (it_attr = attributes.begin(); it_attr != attributes.end(); ++it_attr) {
	    SlotAttr & slot_attr = *it_attr;
	    
	    if (slot_attr.att == at) {
	      find = TRUE;
	      if (*args == 0)
		// remove it
		attributes.remove(it_attr);
	      else
		// replace it
		slot_attr.value = args;
	      break;
	    }
	  }
	  
	  if (! find) {
	    // add it
	    Q3PtrList<BrowserClass> l;
	    
	    cl->get_all_parents(l);
	    l.append(cl);
	    
	    if (at->deletedp() ||
		(l.findRef((BrowserClass *) at->parent())  == -1)) {
	      // illegal
	      com->write_ack(FALSE);
	      return TRUE;
	    }
	    attributes.append(SlotAttr(at, args));
	  }
	}
	break;
      case addRelationCmd:
	if (! change_rel(com, args, TRUE))
	  return TRUE;
	break;
      case removeRelationCmd:
	if (! change_rel(com, args, FALSE))
	  return TRUE;
	break;
      default:
	return BasicData::tool_cmd(com, args, bn, comment);
      }
      
      // ok case
      bn->modified();
      modified();
      com->write_ack(TRUE);
    }
  }
  else {
    switch ((unsigned char) args[-1]) {
    case attributesCmd:
      if (args[0] == 0) {
	com->write_unsigned(attributes.count());
	
	Q3ValueList<SlotAttr>::Iterator it;
	
	for (it = attributes.begin(); it != attributes.end(); ++it) {
	  const SlotAttr & slot = *it;
	  
	  slot.att->write_id(com);
	  com->write_string(slot.value);
	}
      }
      else {
	// get all available attributes
	BrowserNodeList l;
	BrowserNode * bn;
	
	cl->get_attrs(l);
	com->write_unsigned(l.count());
	
	for (bn = l.first(); bn != 0; bn = l.next())
	  bn->write_id(com);
      }
      break;
    case relationsCmd:
      {
	BrowserClassInstance * other =
	  (BrowserClassInstance *) com->get_id(args);
	
	if (other == 0) {
	  com->write_unsigned(relations.count());
//.........这里部分代码省略.........

bool BrowserNode::tool_cmd(ToolCom * com, const char * args) {
  switch ((unsigned char) args[-1]) {
  case applyCmd:
  {
      QLOG_FATAL() << Q_FUNC_INFO << "If this got called then we have a logic flaw going on and BrowserNode needs to have Q_OBJECT in it to properly catch ToolCom::Run execution result";
      Q_ASSERT_X(0, "applyCmd happened", "very bad");
      int runResult = ToolCom::run(args, this, FALSE, FALSE);
      com->write_unsigned(runResult);
      break;
  }
  case createCmd:
    // invalid creation
    com->write_id(0);
    break;
  case parentCmd:
    if (this != BrowserView::get_project())
      ((BrowserNode *) parent())->write_id(com);
    else
      com->write_id(0);
    break;
  case childrenCmd:
    {
      unsigned v = com->api_format();
      unsigned n = 0;
      Q3ListViewItem * child;
      
      for (child = firstChild(); child != 0; child = child->nextSibling())
	if (!((BrowserNode *) child)->deletedp() &&
	    ((BrowserNode *) child)->api_compatible(v))
	  n += 1;
      
      com->write_unsigned(n);
      
      for (child = firstChild(); child != 0; child = child->nextSibling())
	if (!((BrowserNode *) child)->deletedp() &&
	    ((BrowserNode *) child)->api_compatible(v))
	  ((BrowserNode *) child)->write_id(com);
    }
    break;
  case getDefCmd:
  case getUmlDefCmd:
  case getCppDefCmd:
  case getJavaDefCmd:
  case getPhpDefCmd:
  case getPythonDefCmd:
  case getIdlDefCmd:
    get_data()->send_uml_def(com, this, comment);
    break;
  case isWritableCmd:
    com->write_bool(!is_read_only);
    break;
  case supportFileCmd:
    // goes up to the package
    return ((BrowserNode *) parent())->tool_cmd(com, args);
  case isOpenCmd:
    com->write_bool(isOpen());
    break;
  case referencedByCmd:
    {
      BrowserNodeList targetof;
      
      referenced_by(targetof);
      // remove duplicats
      targetof.sort_it();
      
      BrowserNode * bn;
      
      targetof.first();
      while ((bn = targetof.current()) != 0)
	if (bn == targetof.next())
	  targetof.remove();
      
      com->write_unsigned(targetof.count());
      
      for (bn = targetof.first(); bn != 0; bn = targetof.next())
	bn->write_id(com);
    }
    break;
  case setCoupleValueCmd:
    if (is_read_only && !root_permission())
      com->write_ack(FALSE);
    else {
      set_value(args, args + strlen(args) + 1);
      package_modified();
      get_data()->modified();
      com->write_ack(TRUE);
    }
    break;
  case setDescriptionCmd:
    if (is_read_only && !root_permission())
      com->write_ack(FALSE);
    else {
      set_comment(args);
      package_modified();
      com->write_ack(TRUE);
    }
    break;
  case setNameCmd:
    if (is_read_only && !root_permission())
      com->write_ack(FALSE);
//.........这里部分代码省略.........