public static string parseFirstBlockNode(string program, out BlockNode node)
{
int firstBlockStart = int.MaxValue;
int firstBlockEnd = int.MaxValue;
String firstBlock = "";
//Get the next block op name
String opName = program.Trim().Split(BLOCK_NAME_SPLIT, StringSplitOptions.RemoveEmptyEntries)[0].Trim();
if (allBlockNodes.ContainsKey(opName))
{
BlockNode foundNode = allBlockNodes[opName];
int startLocation, endLocation;
String block =
BlockNode.getFullStartAndEndLocations
(program, foundNode.getOpName(), out startLocation, out endLocation);
if (firstBlockStart > startLocation)
{
firstBlockStart = startLocation;
firstBlockEnd = endLocation;
firstBlock = block;
}
//store the program in the list
node = loadBlockProgram(firstBlock);
}
else
{
node = null;
addError("Could not find block node with Op Name: " + opName);
}
String strippedProgram = program.Substring(firstBlockEnd);
return(strippedProgram);
}
public static BlockNode loadBlockProgram(String parsedBlock)
{
//TODO search for nested programs.
String firstLine = parsedBlock.Split(OP_SPLIT, StringSplitOptions.RemoveEmptyEntries)[0];
String nodeName = firstLine.Replace(BlockNode.START, "").Trim();
BlockNode node;
if (allBlockNodes.TryGetValue(nodeName, out node))
{
BlockNode createdNode = node.createInstance();
String internalBlock = BlockNode.getInternalBlockText(createdNode.getOpName(), parsedBlock);
createdNode.parseBlocks(internalBlock);
//nodes.Add(createdNode);
return(createdNode);
}
else
{
//Throw Error
errors += "Failed to parse line: " + firstLine;
return(null);
}
}
public static void addAllNode(BlockNode node)
{
allBlockNodes.Add(node.getOpName(), node);
allProgramNodeInterfaces.Add(node);
}