//Creates an analysis state. A FileHandler method is used to read the analysis lines.
public AnalysisState(string filePathResults)
{
string[] results = File.ReadAllLines(filePathResults);
nodes = new List <LetterNode>();
//Reads the header lines.
uploadedFileName = results[0];
includeStopwords = bool.Parse(results[1]);
for (int i = 2; i < results.Length; i++)
{
LetterNode node = FileHandler.ReadPostProcessLine(results[i]);
nodes.Add(node);
}
}
//This constructor reads a designated source file and constructs a node graph from it.
public WordFile(string filepath, string stopwordDir, bool includeStopwords)
{
stemToPostfixes = GenerateStemToPostfixes();
string fileText = File.ReadAllText(filepath);
fileText = SanitizeText(fileText);
string[] words = fileText.Split(' ');
for (int i = 0; i < words.Length; i++)
{
words[i] = SanitizeWord(words[i], stopwordDir, includeStopwords);
}
nodeGraph = new LetterNode();
foreach (string word in words)
{
if (word != "")
{
nodeGraph.AddWord("", word);
}
}
}
//A phase of adding a new word. This method is called once per char to make each node or reuse a node where applicable.
public void AddWord(string writtenWord, string wordRemaining)
{
nodeWord = writtenWord;
//If at the end, the traversal is done.
if (wordRemaining.Length == 0)
{
count++;
return;
}
//Grab the next letter from remaining for node logic.
char nextLetter = wordRemaining.First();
//Grab the applicable child. If not found, build the node. In either case, add the word, advanced one letter, through the child.
LetterNode child = childLetters.FirstOrDefault(i => i.letter == nextLetter);
if (child == null)
{
child = new LetterNode(nextLetter);
childLetters.Add(child);
}
child.AddWord(writtenWord + nextLetter, wordRemaining.Substring(1));
}
//Function for writing the results analysis.
public void WritePostProcessLine(StreamWriter writer, LetterNode node)
{
writer.WriteLine(node.GetNodeWord() + ',' + node.GetCount());
}