/// <summary>
/// Opens the WKT file and loads all the data into the reader's nodes
/// </summary>
/// <param name="filename">The name of the WKT file to load</param>
public void Read(string filename)
{
if (!System.IO.File.Exists(filename))
{
throw new Exception("WKT File does not exist");
}
LevelList = new ArrayList();
mvarNodes = new WKTNodes();
try
{
string inData = System.IO.File.ReadAllText(filename);
// Remove unwanted characters
inData = inData.Replace("\t", "");
inData = inData.Replace("\n", "");
inData = inData.Replace("\r", "");
inData = inData.Replace(", ", ",");
int majLevel = 0;
while (inData != "")
{
int brkPos = inData.IndexOf("[");
if (brkPos == -1)
{
return;
}
string valName = (inData.Substring(0, brkPos)).Trim();
if (valName.Contains(","))
{
valName = valName.Substring(valName.IndexOf(",") + 1);
}
string innerText = LoadParameterFromWKT(valName, inData);
string param = null;
inData = (inData.Substring(brkPos + 2 + innerText.Length)).Trim();
if (innerText.Contains("["))
{
brkPos = innerText.IndexOf("[");
brkPos = innerText.LastIndexOf(",", brkPos);
param = (innerText.Substring(0, brkPos)).Trim();
}
else
{
param = innerText;
}
majLevel++;
mvarNodes.Add("Top", valName, innerText, param, "");
}
FindAllLevels();
}
catch { }
}
/// <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);
}
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);
}
}
