public void loadTree() {
System.out.println("Loading tree");
StreamTokenizer stream = null;
try {
FileInputStream f = new FileInputStream(tree);
Reader input = new BufferedReader(new InputStreamReader(f));
stream = new StreamTokenizer(input);
stream.resetSyntax();
stream.wordChars(32, 127);
} catch (Exception e) {
System.out.println("Error opening " + tree);
System.exit(1);
}
list = new ArrayList();
try {
// read the file to the end
while (stream.nextToken() != StreamTokenizer.TT_EOF) {
// is a word being read
if (stream.ttype == StreamTokenizer.TT_WORD) {
list.add(new String(stream.sval));
}
// is a number being read
if (stream.ttype == StreamTokenizer.TT_NUMBER) {
list.add(new Double(stream.nval));
}
}
} catch (Exception e) {
System.out.println("\nError reading " + tree + ". Exiting...");
System.exit(1);
}
}
public String[] parseTokens(String line) throws IOException {
List tokens = new ArrayList();
/*StringTokenizer st = new StringTokenizer(line);
String token;
while((token = st.nextToken()) != null) {
tokens.add(token);
} */
StreamTokenizer st = new StreamTokenizer(new StringReader(line));
st.parseNumbers();
st.wordChars('_', '_'); // A word can be THIS_IS_A_WORD
int token = st.nextToken();
while (token != StreamTokenizer.TT_EOF) {
String element = null;
switch (token) {
case StreamTokenizer.TT_NUMBER:
element = String.valueOf(st.nval);
break;
case StreamTokenizer.TT_WORD:
element = st.sval;
break;
case '"':
case '\'':
element = st.sval;
break;
case StreamTokenizer.TT_EOL:
break;
case StreamTokenizer.TT_EOF:
break;
default:
element = String.valueOf((char) st.ttype);
break;
}
if (element != null) tokens.add(element);
token = st.nextToken();
}
String[] result = new String[tokens.size()];
for (int index = 0; index < tokens.size(); index++) result[index] = (String) tokens.get(index);
return result;
}