public static Word readIn(Word listStart) throws FileNotFoundException {
Scanner in = new Scanner(System.in);
File inFile = new File(in.next());
Scanner freader = new Scanner(inFile);
StringTokenizer sentences = new StringTokenizer("");
StringTokenizer words = new StringTokenizer("");
String delims = ".!?";
String sentence = "";
String word = "";
String previous = "";
String line = null;
String paragraph = null;
while (freader.hasNextLine()) {
paragraph = freader.nextLine();
sentences = new StringTokenizer(paragraph, delims, true);
while (sentences.hasMoreTokens()) {
sentence = sentences.nextToken();
words = new StringTokenizer(sentence);
while (words.hasMoreTokens()) {
word = words.nextToken();
listStart = Word.addWord(listStart, word, previous);
previous = word;
}
}
}
freader.close();
return listStart;
}
public static Word addWord(Word listStart, String nextWord, String previous) {
Word c = listStart;
Word d = null;
// .right list
if (c == null) // first word
{
listStart = new Word(nextWord);
listStart.beginsSentence = true;
return listStart;
} else // next word
{
if (count(listStart, nextWord) > 0) // if in the list, get to it and increment
{
while (c.right != null) {
if (c.word.equals(nextWord)) {
c.numOccurrences++;
}
c = c.right;
}
} else // if not in the list, get to the end and add word
{
while (c.right != null) {
c = c.right;
}
c.right = new Word(nextWord);
if (previous.equals(".") || previous.equals("?") || previous.equals("!")) {
c.right.beginsSentence = true;
}
}
c = listStart; // reset
// .down list
while (c
!= null) // go through again, looking for previous word to add following word to down list
{
d = c;
if (c.word.equals(".") || c.word.equals("?") || c.word.equals("!")) {
c.endsSentence = true;
} else {
if (d.word.equals(previous)) {
if (d.down == null) // no Words in .down list
{
d.down = new Word(nextWord);
if (d.down.word.equals(".") || d.down.word.equals("?") || d.down.word.equals("!")) {
d.endsSentence = true;
}
} else { // if there are words in the .down list
if (countDown(c, nextWord) > 0) // find it and increment
{
while (d.down != null) {
if (d.down.word.equals(nextWord)) {
d.down.numOccurrences++;
}
d = d.down;
}
} else // get to end and add new
{
while (d.down != null) {
d = d.down;
}
d.down = new Word(nextWord);
if (d.down.word.equals(".") || d.down.word.equals("?") || d.down.word.equals("!")) {
d.endsSentence = true;
}
}
}
}
}
c = c.right;
}
}
return listStart;
}