private static LinkedList<int> IdentifyBlockBoundaries(string inputString)
{
var blockBoundaries = new LinkedList<int>();
var previousLine = string.Empty;
var currentLine = 0;
foreach (var line in new LineReader(() => new StringReader(inputString)))
{
currentLine++;
var trimmedLine = line.TrimStart(' ').TrimEnd(' ');
if (trimmedLine.StartsWith("Show") || trimmedLine.StartsWith("Hide") ||
trimmedLine.StartsWith("# Section:"))
{
// If the line previous to the Show or Hide line is a comment then we should include that in the block
// as it represents the block description.
// currentLine > 2 caters for an edge case where the script description is a single line and the first
// block has no description. This prevents the script description from being assigned to the first block's description.
blockBoundaries.AddLast(previousLine.StartsWith("#") && !previousLine.StartsWith("# Section:") &&
currentLine > 2
? currentLine - 2
: currentLine - 1);
}
previousLine = line;
}
return blockBoundaries;
}