private static int[][] deserialize(String str) throws IOException {
StreamTokenizer tok = new StreamTokenizer(new StringReader(str));
tok.resetSyntax();
tok.wordChars('0', '9');
tok.whitespaceChars(' ', ' ');
tok.parseNumbers();
tok.nextToken();
int rows = (int) tok.nval;
int[][] out = new int[rows][];
for (int i = 0; i < rows; i++) {
tok.nextToken();
int length = (int) tok.nval;
int[] row = new int[length];
out[i] = row;
for (int j = 0; j < length; j++) {
tok.nextToken();
row[j] = (int) tok.nval;
}
}
return out;
}
/** @tests java.io.StreamTokenizer#parseNumbers() */
public void test_parseNumbers() throws IOException {
// SM
setTest("9.9 678");
assertTrue("Base behavior failed.", st.nextToken() == StreamTokenizer.TT_NUMBER);
st.ordinaryChars('0', '9');
assertEquals("setOrdinary failed.", '6', st.nextToken());
st.parseNumbers();
assertTrue("parseNumbers failed.", st.nextToken() == StreamTokenizer.TT_NUMBER);
}
/**
* Constructs a Parser for the given string.
*
* @param text The string to be parsed.
*/
public Parser(String text) {
Reader reader = new StringReader(text);
tokenizer = new StreamTokenizer(reader);
tokenizer.parseNumbers();
tokenizer.eolIsSignificant(true);
tokenizer.slashStarComments(true);
tokenizer.slashSlashComments(true);
tokenizer.lowerCaseMode(false);
tokenizer.ordinaryChars(33, 47);
tokenizer.ordinaryChars(58, 64);
tokenizer.ordinaryChars(91, 96);
tokenizer.ordinaryChars(123, 126);
tokenizer.quoteChar('\"');
lineNumber = 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;
}
public static Histogram2D loadFromFile(File file) throws FileNotFoundException, IOException {
StreamTokenizer st;
FileReader fr = new FileReader(file);
st = new StreamTokenizer(fr);
st.commentChar('#');
st.parseNumbers();
int result;
// doesn't handle errors right now
double axis1Min, axis1Max, axis2Min, axis2Max;
int axis1Buckets, axis2Buckets;
result = st.nextToken();
axis1Min = st.nval;
result = st.nextToken();
axis1Max = st.nval;
result = st.nextToken();
axis1Buckets = (int) st.nval;
result = st.nextToken();
axis2Min = st.nval;
result = st.nextToken();
axis2Max = st.nval;
result = st.nextToken();
axis2Buckets = (int) st.nval;
Histogram2D h =
new Histogram2D(axis1Min, axis1Max, axis1Buckets, axis2Min, axis2Max, axis2Buckets);
int num;
for (int axis1 = 0; axis1 < axis1Buckets; axis1++) {
for (int axis2 = 0; axis2 < axis2Buckets; axis2++) {
result = st.nextToken();
num = (int) st.nval;
h.setSample(axis1, axis2, num);
}
}
fr.close();
return h;
}
/** @param ribFileReader rib file reader */
public Rib2Xml(FileReader ribFileReader) {
/* Configure log4j, read conf out of jar file */
Class clazz = getClass();
URL url = clazz.getResource("/conf/log4j.xml");
if (url == null) {
/* Try reading via filename */
DOMConfigurator.configure("../conf/log4j.xml");
System.err.println("Error: Configuration file for Log4j (log4j.xml) not found, aborting...");
System.exit(1);
}
DOMConfigurator.configure(url);
/* Create the ribfactory which deal with all the rib elements */
Config config = Config.instance();
RibFactory ribFac = new RibFactory(config);
Vector ribNames = config.getNames();
StreamTokenizer thTokens = new StreamTokenizer(ribFileReader);
// thTokens.resetSyntax();
thTokens.commentChar('#');
thTokens.eolIsSignificant(false);
thTokens.parseNumbers();
thTokens.ordinaryChar('[');
thTokens.ordinaryChar(']');
thTokens.quoteChar('"');
int count = 0;
String factoryInput = "";
try {
while (thTokens.nextToken() != StreamTokenizer.TT_EOF) {
logger.debug(thTokens.lineno() + ": " + thTokens.sval + ": ttype: " + thTokens.ttype);
if (thTokens.ttype == StreamTokenizer.TT_NUMBER) {
logger.debug(thTokens.lineno() + ": " + thTokens.nval);
factoryInput += " " + String.valueOf(thTokens.nval);
count++;
} else if (thTokens.ttype == StreamTokenizer.TT_WORD) {
if (ribNames.contains(thTokens.sval)) {
logger.debug(factoryInput);
// AbstractRib Factory called to add an element to xml document
logger.debug("Elements: " + count + ": " + factoryInput);
ribFac.processRibElement(factoryInput);
factoryInput = thTokens.sval;
} else {
factoryInput += " " + thTokens.sval;
}
logger.debug(thTokens.lineno() + ": " + thTokens.sval);
count++;
} else {
if (thTokens.ttype != '"') {
logger.debug(thTokens.lineno() + ": " + (char) thTokens.ttype);
factoryInput += " " + (char) thTokens.ttype;
count++;
} else if (thTokens.sval != null) {
logger.debug(
thTokens.lineno()
+ ": "
+ (char) thTokens.ttype
+ thTokens.sval
+ (char) thTokens.ttype);
factoryInput += " " + (char) thTokens.ttype + thTokens.sval + (char) thTokens.ttype;
count++;
}
}
}
} catch (IOException e) {
logger.error(e.toString());
}
logger.info("Tokens: " + count);
RibDocument ribDoc = RibDocument.newInstance();
ribDoc.toFile();
}
public static List<BezierPath> fromPathData(String str) throws IOException {
LinkedList<BezierPath> paths = new LinkedList<BezierPath>();
BezierPath path = null;
Point2D.Double p = new Point2D.Double();
Point2D.Double c1 = new Point2D.Double();
Point2D.Double c2 = new Point2D.Double();
StreamTokenizer tt = new StreamTokenizer(new StringReader(str));
tt.resetSyntax();
tt.parseNumbers();
tt.whitespaceChars(0, ' ');
tt.whitespaceChars(',', ',');
char nextCommand = 'M';
char command = 'M';
while (tt.nextToken() != StreamTokenizer.TT_EOF) {
if (tt.ttype > 0) {
command = (char) tt.ttype;
} else {
command = nextCommand;
tt.pushBack();
}
BezierPath.Node node;
switch (command) {
// moveto
case 'M':
if (path != null) {
paths.add(path);
}
path = new BezierPath();
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y = tt.nval;
path.moveTo(p.x, p.y);
nextCommand = 'L';
break;
case 'm':
if (path != null) {
paths.add(path);
}
path = new BezierPath();
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x += tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y += tt.nval;
path.moveTo(p.x, p.y);
nextCommand = 'l';
// close path
break;
case 'Z':
case 'z':
p.x = path.get(0).x[0];
p.y = path.get(0).y[0];
path.setClosed(true);
// lineto
break;
case 'L':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y = tt.nval;
path.lineTo(p.x, p.y);
nextCommand = 'L';
break;
case 'l':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x += tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y += tt.nval;
path.lineTo(p.x, p.y);
nextCommand = 'l';
break;
case 'H':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x = tt.nval;
path.lineTo(p.x, p.y);
nextCommand = 'H';
break;
case 'h':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x += tt.nval;
path.lineTo(p.x, p.y);
nextCommand = 'h';
break;
case 'V':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y = tt.nval;
path.lineTo(p.x, p.y);
nextCommand = 'V';
break;
case 'v':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y += tt.nval;
path.lineTo(p.x, p.y);
nextCommand = 'v';
// curveto
break;
case 'C':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.y = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.y = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y = tt.nval;
path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
nextCommand = 'C';
break;
case 'c':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.x = p.x + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.y = p.y + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.x = p.x + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.y = p.y + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x += tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y += tt.nval;
path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
nextCommand = 'c';
break;
case 'S':
node = path.get(path.size() - 1);
c1.x = node.x[0] * 2d - node.x[1];
c1.y = node.y[0] * 2d - node.y[1];
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.y = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y = tt.nval;
path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
nextCommand = 'S';
break;
case 's':
node = path.get(path.size() - 1);
c1.x = node.x[0] * 2d - node.x[1];
c1.y = node.y[0] * 2d - node.y[1];
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.x = p.x + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c2.y = p.y + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x += tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y += tt.nval;
path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
nextCommand = 's';
// quadto
break;
case 'Q':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.y = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y = tt.nval;
path.quadTo(c1.x, c1.y, p.x, p.y);
nextCommand = 'Q';
break;
case 'q':
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.x = p.x + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
c1.y = p.y + tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x += tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y += tt.nval;
path.quadTo(c1.x, c1.y, p.x, p.y);
nextCommand = 'q';
break;
case 'T':
node = path.get(path.size() - 1);
c1.x = node.x[0] * 2d - node.x[1];
c1.y = node.y[0] * 2d - node.y[1];
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y = tt.nval;
path.quadTo(c1.x, c1.y, p.x, p.y);
nextCommand = 'T';
break;
case 't':
node = path.get(path.size() - 1);
c1.x = node.x[0] * 2d - node.x[1];
c1.y = node.y[0] * 2d - node.y[1];
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.x += tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
p.y += tt.nval;
path.quadTo(c1.x, c1.y, p.x, p.y);
nextCommand = 's';
break;
default:
throw new IOException("Illegal command: " + command);
}
}
if (path != null) {
paths.add(path);
}
return paths;
}
public static AffineTransform getTransform(String str) throws IOException {
AffineTransform t = new AffineTransform();
if (str != null) {
StreamTokenizer tt = new StreamTokenizer(new StringReader(str));
tt.resetSyntax();
tt.wordChars('a', 'z');
tt.wordChars('A', 'Z');
tt.wordChars(128 + 32, 255);
tt.whitespaceChars(0, ' ');
tt.whitespaceChars(',', ',');
tt.parseNumbers();
while (tt.nextToken() != StreamTokenizer.TT_EOF) {
if (tt.ttype != StreamTokenizer.TT_WORD) {
throw new IOException("Illegal transform " + str);
}
String type = tt.sval;
if (tt.nextToken() != '(') {
throw new IOException("'(' not found in transform " + str);
}
if (type.equals("matrix")) {
double[] m = new double[6];
for (int i = 0; i < 6; i++) {
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
throw new IOException(
"Matrix value "
+ i
+ " not found in transform "
+ str
+ " token:"
+ tt.ttype
+ " "
+ tt.sval);
}
if (tt.nextToken() == StreamTokenizer.TT_WORD && tt.sval.startsWith("E")) {
double mantissa = tt.nval;
tt.nval = Double.valueOf(tt.nval + tt.sval);
} else {
tt.pushBack();
}
m[i] = tt.nval;
}
t.concatenate(new AffineTransform(m));
} else if (type.equals("translate")) {
double tx, ty;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
throw new IOException("X-translation value not found in transform " + str);
}
tx = tt.nval;
if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
ty = tt.nval;
} else {
tt.pushBack();
ty = 0;
}
t.translate(tx, ty);
} else if (type.equals("scale")) {
double sx, sy;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
throw new IOException("X-scale value not found in transform " + str);
}
sx = tt.nval;
if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
sy = tt.nval;
} else {
tt.pushBack();
sy = sx;
}
t.scale(sx, sy);
} else if (type.equals("rotate")) {
double angle, cx, cy;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
throw new IOException("Angle value not found in transform " + str);
}
angle = tt.nval;
if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
cx = tt.nval;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
throw new IOException("Y-center value not found in transform " + str);
}
cy = tt.nval;
} else {
tt.pushBack();
cx = cy = 0;
}
t.rotate(angle * Math.PI / 180d, cx * Math.PI / 180d, cy * Math.PI / 180d);
} else if (type.equals("skewX")) {
double angle;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
throw new IOException("Skew angle not found in transform " + str);
}
angle = tt.nval;
t.concatenate(new AffineTransform(1, 0, Math.tan(angle * Math.PI / 180), 1, 0, 0));
} else if (type.equals("skewY")) {
double angle;
if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
throw new IOException("Skew angle not found in transform " + str);
}
angle = tt.nval;
t.concatenate(new AffineTransform(1, Math.tan(angle * Math.PI / 180), 0, 1, 0, 0));
} else {
throw new IOException("Unknown transform " + type + " in " + str);
}
if (tt.nextToken() != ')') {
throw new IOException("')' not found in transform " + str);
}
}
}
return t;
}
/**
* Requests new model inputs from user.
*
* <p>Will return -1 if user signals end-of-input ( <code>^d</code>)
*
* @param inVec A {@link VectorInfoArrayList} listing inputs and default values
* @return int -1 to quit, 0 to keep going
* @throws IOException;
*/
public int loadInputs(VectorInfoArrayList inVec) throws IOException {
int tokenType;
// The following mumbo-jumbo necessary to take stdin and parse it
FileReader frin = new FileReader(FileDescriptor.in);
StreamTokenizer st = new StreamTokenizer(frin);
// Tell parser to look for double-precision numbers and EOLs
// Note - can't use exponential notation; only 0-9, -, .
st.parseNumbers();
st.eolIsSignificant(true);
// Write header
System.out.println();
System.out.println(" Specify input values:");
// Loop for each input block that might need value
Iterator<VectorInfo> in = inVec.iterator();
while (in.hasNext()) {
boolean blankLine = false;
VectorInfo inVal = in.next();
// write name, units, default value
System.out.print(
" " + inVal.getName() + " (" + inVal.getUnits() + ") [" + inVal.getValue() + "] : ");
// look for number in input stream; abort on EOF; skip to next on EOL
do { // look for number or EOL or EOF
tokenType = st.nextToken();
// System.out.println("tokenType was " + tokenType);
if (tokenType == StreamTokenizer.TT_EOF) {
return -1; // quit
}
if (tokenType == StreamTokenizer.TT_EOL) { // skip to next param
blankLine = true;
break;
}
} while (tokenType != StreamTokenizer.TT_NUMBER); // keep looking until number found
if (!blankLine) {
// if not empty line, interpret number and save in block
// System.out.println("Input value was " + st.nval);
try {
inVal.setValue(st.nval);
// System.out.println("setValue called for " + inVal.getName() + " with value
// of " + st.nval);
} catch (NumberFormatException e) {
// take no action - leave value as is
}
// look for EOL so we can ignore it
do {
tokenType = st.nextToken();
// System.out.println("skipping tokenType " + tokenType );
if (tokenType == StreamTokenizer.TT_EOF) {
return -1;
}
} while (tokenType != StreamTokenizer.TT_EOL);
}
}
return 0; // indicate keep going
}
