public override string calculate(string input)
{
String output = "";
List <String> lines = splitTextToLines(input);
String oldStart = variables[0].Trim();
String oldLength = variables[1].Trim();
String newStart = variables[2].Trim();
String newEnd = variables[3].Trim();
InnerReadNode innerReadValue = new InnerReadNode();
innerReadValue.parseArgs(QUOTES);
foreach (String line in lines)
{
if (line.Contains(oldStart) && line.Contains(oldLength))
{
List <String> attributes = splitTextToAttributes(line);
String startAttribute = getAttribute(attributes, oldStart);
String lengthAttribute = getAttribute(attributes, oldLength);
int startVal, endVal, lengthVal;
startVal = int.Parse(innerReadValue.calculate(startAttribute).Trim());
lengthVal = int.Parse(innerReadValue.calculate(lengthAttribute).Trim());
endVal = startVal + lengthVal;
String newStartReplace = newStart + "=\"" + startVal + "\"";
String newEndReplace = newEnd + "=\"" + endVal + "\"";
String updatedLine = line.Replace(startAttribute, newStartReplace).Replace(lengthAttribute, newEndReplace);
output += updatedLine + Environment.NewLine;
}
else
{
output += line + Environment.NewLine;
}
}
return(output);
}
