//Search with "" parameter to traverse tree (DFS) and to write in console
public TagItem Search(string expr)
{
TagItem legacy = null;
if (_nodeName == expr)
{
return(this);
}
foreach (TagItem item in childList)
{
if (expr == "")
{
item._Print();
}
if (item.fullName == expr)
{
return(item);
}
legacy = item.Search(expr);
if (legacy != null)
{
return(legacy);
}
}
return(null);
}
static public void Remove()
{
TagItem root = storage.root;
Console.WriteLine("What tag you want to remove?\n" +
"Name of tag with path require");
string expr = Console.ReadLine();
//Get wanted tag
TagItem tag = root.Search(expr);
if (tag != null)
{
if (tag.parent != null)
{
tag.parent.Remove(tag);
}
else
{
//Attempt to remove a structure's root
storage = new TagStorage(FILE_NAME);
}
Console.WriteLine("Deleted");
return;
}
Console.WriteLine("Tag is absent. Nothing delete");
}
static public void SetContent()
{
TagItem root = storage.root;
Console.WriteLine("What\'s tag content changing?");
string tag = Console.ReadLine();
TagItem item = root.Search(tag);
if (item != null)
{
Console.WriteLine("Put something");
string val = Console.ReadLine();
//Cause dataType figure at instance initiation time
//swap TagItem's items with matching name but different type
//all childs renaming tag get lost
TagItem newTag = new TagItem(item.NodeName, val, item.parent);
if (item == root)
{
Console.WriteLine("Root of tree is stricly \"none\" type in terms of a test exercise");
return;
}
item.childList.Clear();
item.parent.Remove(item);
item.parent.Add(newTag);
Console.WriteLine("{0} is set. Data type : {1}. Value : {2}",
newTag.fullName,
newTag.dataType,
newTag.content);
return;
}
Console.WriteLine("Tag is absent.");
}
//Move tag along a tree
static public void Transfer()
{
TagItem root = storage.root;
Console.WriteLine("What\'s tag will be NEW parent?");
string parent = Console.ReadLine();
TagItem parentItem = root.Search(parent);
//Statement of existing both nodes in tree
//and is moving node isn't parent relative to other
if (parentItem != null)
{
Console.WriteLine("What\'s tag is moving?");
string tag = Console.ReadLine();
TagItem tagItem = root.Search(tag);
if (tagItem != null)
{
tagItem.Transfer(parentItem);
return;
}
Console.WriteLine("Transfer is aborted : There is no {0}",
tag);
return;
}
Console.WriteLine("Transfer is aborted : There is no {0}",
parent);
}
static public void Print()
{
TagItem tag = storage.root;
Console.WriteLine("{0} Level={1} {2} {3}",
tag.fullName,
tag.level,
tag.dataType,
tag.content);
tag.Search("");
}
private void _InitTree(XmlNode node, TagItem tagItem)
{
XmlNodeList childs = node.ChildNodes;
XmlNode child;
TagItem tI;
//Node isn't content a content and other node at the same time
//One node in list is empty or string including node
if (childs.Count > 0)
{
for (int i = 0; i < childs.Count; i++)
{
child = childs.Item(i);
//Checking it's child no more include tag
if (child.LocalName == "#text")
{
tI = new TagItem(tagItem.NodeName,
child.Value,
tagItem.parent);
try{
tagItem.parent.Add(tI);
tagItem.parent.Remove(tagItem);
}
catch (NullReferenceException) {
Console.WriteLine("In terms of a task a root " +
"node have to a \"none\" type cause " +
"it doesn\'t read xml files contaning" +
" numeric root");
//System.Environment.Exit(0);
return;
}
continue;
}
//Assign tag name for TagItem's item with empty content
tI = new TagItem(child.Name, "", tagItem);
tagItem.Add(tI);
//go in depth
_InitTree(child, tI);
}
}
else
{
//There isn't tag anymore. Assign content
tagItem.content = node.Value;
return;
}
}
public TagItem(string name, string number, TagItem parentNode, string type = "none")
{
_nodeName = name;
content = number;
parent = parentNode;
childList = new List <TagItem>();
//Content initiat at instance creating
dataType = type;
if (type == "none")
{
_DataTypeReview();
}
//Figure out attributes: level, pathNode, fullName
_LevelCount();
_AbsolutePath();
_FullName();
}
public void Transfer(TagItem newParent)
{
//Checking newParent is not for child of moving node
TagItem tag = Search(newParent.fullName);
if (tag != null)
{
Console.WriteLine("Transfer aborted. {0} is parent for {1}",
fullName, newParent.fullName);
return;
}
newParent.Add(this);
parent.Remove(this);
parent = newParent;
_Refresh();
Console.WriteLine("Transfer done.");
}
static public void Add()
{
TagItem root = storage.root;
Console.WriteLine("Choose parent tag");
string path = Console.ReadLine();
TagItem parent = root.Search(path);
if (parent != null)
{
Console.WriteLine("Suggest name of tag");
string name = Console.ReadLine();
Console.WriteLine("What\'s data type it will be?");
string type = Console.ReadLine();
TagItem tag;
switch (type)
{
case "int":
tag = new TagItem(name, "", parent, type);
break;
case "float":
tag = new TagItem(name, "", parent, type);
break;
case "bool":
tag = new TagItem(name, "", parent, type);
break;
default:
tag = new TagItem(name, "", parent, "none");
break;
}
parent.Add(tag);
Console.WriteLine("{0} is added to tree", tag.fullName);
return;
}
Console.WriteLine("Tag {0} is absent. Nothing add", path);
}
static public void Rename()
{
TagItem root = storage.root;
Console.WriteLine("What\'s tag rename?");
string name = Console.ReadLine();
TagItem tag = root.Search(name);
if (tag != null)
{
Console.WriteLine("What\'s new name?");
string newName = Console.ReadLine();
Console.WriteLine("{0} is renamed to {1}",
tag.NodeName, newName);
tag.NodeName = newName;
return;
}
Console.WriteLine("Tag is absent. Nothing rename");
}
public TagStorage(string fileName)
{
root = new TagItem("Root", "", null);
//For LoadXml method
this.fileName = fileName;
}
public void Remove(TagItem item)
{
childList.Remove(item);
}
public void Add(TagItem item)
{
childList.Add(item);
}