public int[] BuildDepthTable(ParseTreeNode root)
{
int currentDepth = 0;
int lineCount = GetLastLine(root).Line + 1;
int[] depthTable = new int[lineCount];
// the line index start from 0
for (int line = 0; line < lineCount; line++)
{
// restore depth
if (Unindentation.ContainsKey(line))
{
currentDepth = depthTable[Unindentation[line]];
}
// indent
if (Indentation.ContainsKey(line))
{
if (Indentation[line] == true)
{
currentDepth = currentDepth + 1;
depthTable[line] = currentDepth;
}
else
{
depthTable[line] = 0;
}
}
else
{
depthTable[line] = currentDepth;
}
}
return(depthTable);
}