/// <summary>
/// Gets an attribute value for a particular Tag
/// </summary>
/// <param name="TagName">"The name of the Tag (e.g. DATUM)</param>
/// <param name="AttribName">The name of the Attribute to search for (e.g. Latitude_Of_Origin)</param>
/// <param name="AttribNumber">The item number of the Attribute array (defaults to 0)</param>
public string GetAttribValuebyName(string TagName, string AttribName, int AttribNumber)
{
string RetString = null;
// Iterate through all the nodes and their children to find the match
foreach (string testLevel in LevelList)
{
string[] splitLevels = testLevel.Split('.');
WKTNode retNode = mvarNodes[Convert.ToInt32(splitLevels[0])];
for (int i = 1; i < splitLevels.Length - 1; i++)
{
retNode = retNode.Children[Convert.ToInt32(splitLevels[i])];
}
if (!String.IsNullOrEmpty(retNode.AttributeName))
{
if (retNode.TagName.ToUpper() == TagName.ToUpper() & retNode.AttributeName.ToUpper() == AttribName.ToUpper())
{
RetString = (string)retNode.Attributes[AttribNumber];
break;
}
}
}
return(RetString);
}
private void FindAllLevels()
{
bool HasChildren = true;
LevelList.Clear();
for (int i = 0; i < mvarNodes.Count; i++)
{
LevelList.Add(i.ToString() + ".");
}
int startSearch = 0;
int noAdded = 0;
while (HasChildren)
{
HasChildren = false;
for (int i = startSearch; i < LevelList.Count; i++)
{
startSearch += noAdded;
noAdded = 0;
string thisLevel = LevelList[i].ToString();
thisLevel = thisLevel.Substring(0, thisLevel.Length - 1);
string[] testLevels = thisLevel.Split('.');
WKTNode tNode = mvarNodes[Convert.ToInt32(testLevels[0])];
for (int j = 1; j < testLevels.Length; j++)
{
tNode = tNode.Children[Convert.ToInt32(testLevels[j])];
}
if (tNode.hasChildren)
{
// Does this already exist in the list?
for (int nNode = 0; nNode < tNode.Children.Count; nNode++)
{
string newLevel = LevelList[i].ToString() + nNode.ToString() + ".";
if (!LevelList.Contains(newLevel))
{
HasChildren = true;
LevelList.Add(newLevel);
noAdded++;
}
}
}
}
}
for (int i = 0; i < LevelList.Count; i++)
{
System.Diagnostics.Debug.WriteLine(LevelList[i].ToString());
}
}
/// <summary>
/// Returns all the nodes in the WKT string that match
/// </summary>
/// <param name="TagName">"The name of the Tag (e.g. DATUM)</param>
public WKTNodes GetNodesbyName(string TagName)
{
WKTNodes getNodes = new WKTNodes();
// Iterate through all the nodes and their children to find the match
foreach (string testLevel in LevelList)
{
string[] splitLevels = testLevel.Split('.');
WKTNode retNode = mvarNodes[Convert.ToInt32(splitLevels[0])];
for (int i = 1; i < splitLevels.Length - 1; i++)
{
retNode = retNode.Children[Convert.ToInt32(splitLevels[i])];
}
if (retNode.TagName.ToUpper() == TagName.ToUpper())
{
getNodes.Add(retNode);
}
}
return(getNodes);
}
/// <summary>
/// Well Know Text node by Name
/// </summary>
/// <param name="Name"></param>
public WKTNode this[string Name]
{
get
{
int retIndex = -1;
for (int Index = 0; Index < List.Count; Index++)
{
WKTNode testField = (WKTNode)List[Index];
if (testField.TagName == Name.ToUpper())
{
retIndex = Index;
break;
}
}
if (retIndex > -1)
{
return((WKTNode)List[retIndex]);
}
else
{
return(null);
}
}
}
internal void Add(WKTNode addNode)
{
List.Add(addNode);
}
internal void Add(string Parent, string Name, string InnerText, string Parameters, string Level)
{
//create a new object
string[] paramList;
WKTNode objNewMember = default(WKTNode);
objNewMember = new WKTNode();
WKTNodes Kids = new WKTNodes();
sLevel = Level;
Counter++;
//set the properties passed into the method
objNewMember.TagName = Name.Replace("\"", "");
objNewMember.InnerText = InnerText;
objNewMember.ParentName = Parent;
objNewMember.Children = Kids;
//if (Parent == "Top")
//{ objNewMember.Level = Level; }
//else
objNewMember.Level = Level + "." + Counter.ToString();
if (Parameters != null)
{
paramList = Parameters.Split(',');
if (paramList[0].StartsWith("\""))
{
objNewMember.AttributeName = paramList[0].Replace("\"", "");
}
else
{
objNewMember.Attributes.Add(paramList[0].Trim());
}
for (int i = 1; i < paramList.Length; i++)
{
// TO DO: Because the paramList is an ArrayList there is no reason why everything has to be
// Stored as a string.
objNewMember.Attributes.Add(paramList[i].Replace("\"", "").Trim());
}
}
List.Add(objNewMember);
while (InnerText != null)
{
int brkPos = InnerText.IndexOf("[");
string valName = null;
string subText = null;
string param = null;
if (brkPos > -1)
{
valName = (InnerText.Substring(0, brkPos)).Trim();
if (valName.Contains(","))
{
valName = (valName.Substring(valName.LastIndexOf(",") + 1)).Trim();
}
subText = LoadParameterFromWKT(valName, InnerText);
InnerText = (InnerText.Substring(brkPos + 2 + subText.Length)).Trim();
if (InnerText.StartsWith(","))
{
InnerText = InnerText.Substring(1);
}
InnerText = InnerText.Trim();
if (subText.Contains("["))
{
brkPos = subText.IndexOf("[");
brkPos = subText.LastIndexOf(",", brkPos);
param = subText.Substring(0, brkPos).Trim();
}
else
{
param = subText;
subText = null;
}
}
else
{
param = InnerText;
InnerText = null;
}
if (InnerText == "")
{
InnerText = null;
}
objNewMember = (WKTNode)List[List.Count - 1];
objNewMember.hasChildren = true;
objNewMember.Children.Add(objNewMember.TagName, valName, subText, param, objNewMember.Level);
}
}