/// <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);
}
