@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object o = stack.pop();
if (!(o instanceof List)) {
throw new WarpScriptException(
getName() + " expects a list of options on top of the stack.");
}
List<Object> options = (List<Object>) o;
o = stack.pop();
if (!(o instanceof Long)) {
throw new WarpScriptException(
getName() + " expects a maximum latency under the list of options.");
}
long maxLatency = (long) o;
o = stack.pop();
if (!(o instanceof Long)) {
throw new WarpScriptException(
getName() + " expects a minimum latency under the list of options.");
}
long minLatency = ((Long) o).longValue();
stack.push(new LatencyFilter(getName(), minLatency, maxLatency, options));
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object n = stack.pop();
if (!(n instanceof Number)) {
throw new WarpScriptException(getName() + " expects a number as parameter.");
}
stack.setAttribute(WarpScriptStack.ATTRIBUTE_DEBUG_DEPTH, ((Number) n).intValue());
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object o = stack.pop();
if (!(o instanceof String)) {
throw new WarpScriptException(getName() + " operates on a String.");
}
stack.push(BaseEncoding.base64().encode(Hex.decode(o.toString())));
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object op2 = stack.pop();
Object op1 = stack.pop();
if (op2 instanceof Boolean && op1 instanceof Boolean) {
stack.push(((Boolean) op1).booleanValue() && ((Boolean) op2).booleanValue());
} else {
throw new WarpScriptException(getName() + " can only operate on boolean values.");
}
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
List<Object> params = ProcessingUtil.parseParams(stack, 1);
PGraphics pg = (PGraphics) params.get(0);
double saturation = pg.saturation(((Number) params.get(1)).intValue());
stack.push(pg);
stack.push(saturation);
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object o = stack.pop();
if (!(o instanceof byte[])) {
throw new WarpScriptException(getName() + " expects a byte array on top of the stack.");
}
try {
PickleSerializer serializer = new PickleSerializer();
Object out = serializer.deserializeData((byte[]) o);
stack.push(out);
} catch (IOException ioe) {
throw new WarpScriptException(ioe);
}
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object o = stack.pop();
JsonSerializer parser = BOON_SERIALIZER_FACTORY.create();
//
// Only allow the serialization of simple lists and maps, otherwise JSON might
// expose internals
//
if (o instanceof List) {
for (Object elt : (List) o) {
if (!(elt instanceof Number) && !(elt instanceof String) && !(elt instanceof Boolean)) {
throw new WarpScriptException(
getName() + " can only handle numeric, boolean and string types.");
}
}
} else if (o instanceof Map) {
for (Entry<Object, Object> entry : ((Map<Object, Object>) o).entrySet()) {
Object elt = entry.getKey();
if (!(elt instanceof Number) && !(elt instanceof String) && !(elt instanceof Boolean)) {
throw new WarpScriptException(
getName() + " can only handle numeric, boolean and string types.");
}
elt = entry.getValue();
if (!(elt instanceof Number) && !(elt instanceof String) && !(elt instanceof Boolean)) {
throw new WarpScriptException(
getName() + " can only handle numeric, boolean and string types.");
}
}
} else {
throw new WarpScriptException(getName() + " can only handle simple lists/maps.");
}
String json = parser.serialize(o).toString();
stack.push(json);
return stack;
}
@Override
protected Map<String, Object> retrieveParameters(WarpScriptStack stack)
throws WarpScriptException {
Map<String, Object> params = new HashMap<String, Object>();
Object top = stack.pop();
boolean alpha_is_default = false;
if (!(top instanceof Double)) {
if (!(top instanceof Boolean)) {
throw new WarpScriptException(
getName()
+ " expects a significance level (a DOUBLE) or a flag (a BOOLEAN) on top of the stack.");
} else {
alpha_is_default = true;
}
}
if (!alpha_is_default) {
params.put(SIGNIFICANCE_PARAM, ((Number) top).doubleValue());
top = stack.pop();
} else {
params.put(SIGNIFICANCE_PARAM, SIGNIFICANCE_DEFAULT);
}
if (!(top instanceof Boolean)) {
throw new WarpScriptException(
getName()
+ " expects a flag (a BOOLEAN) that indicates wether to use modified z-score below the significance level.");
}
params.put(MODIFIED_PARAM, ((Boolean) top).booleanValue());
return params;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object list = stack.pop();
if (list instanceof Object[]) {
stack.push(new WarpScriptStack.Mark());
for (Object o : (Object[]) list) {
stack.push(o);
}
} else if (list instanceof List) {
stack.push(new WarpScriptStack.Mark());
for (Object o : (List<Object>) list) {
stack.push(o);
}
} else {
stack.push(list);
}
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object o = stack.pop();
if (!(o instanceof Number)) {
throw new WarpScriptException(
getName() + " expects a numeric threshold on top of the stack.");
}
double threshold = ((Number) o).doubleValue();
o = stack.pop();
if (!(o instanceof List)) {
throw new WarpScriptException(
getName() + " expects a query number list below the threshold.");
}
double[] query = new double[((List) o).size()];
int i = 0;
for (Object oo : (List) o) {
query[i++] = ((Number) oo).doubleValue();
}
o = stack.pop();
if (!(o instanceof List)) {
throw new WarpScriptException(getName() + " expects a list of numbers below the query list.");
}
double[] sequence = new double[((List) o).size()];
i = 0;
for (Object oo : (List) o) {
sequence[i++] = ((Number) oo).doubleValue();
}
if (sequence.length <= query.length) {
throw new WarpScriptException(
getName() + " expects the query list to be shorter than the sequence list.");
}
double mindist = Double.POSITIVE_INFINITY;
List<Integer> bestmatches = new ArrayList<Integer>();
for (i = 0; i <= sequence.length - query.length; i++) {
double dist = dtw.compute(query, 0, query.length, sequence, i, query.length, mindist);
if (dist < 0) {
continue;
}
if (dist < mindist) {
mindist = dist;
bestmatches.clear();
}
bestmatches.add(i);
}
stack.push(bestmatches);
stack.push(mindist);
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object o = stack.pop();
if (!(o instanceof String)) {
throw new WarpScriptException(getName() + " operates on a String.");
}
String bin = o.toString();
if (bin.length() % 8 != 0) {
bin = "0000000".substring(7 - (bin.length() % 8)) + bin;
}
char[] chars = UnsafeString.getChars(bin);
StringBuilder sb = new StringBuilder();
byte curbyte = 0;
byte[] bytes = new byte[bin.length() / 8];
int byteidx = 0;
for (int i = 0; i < bin.length(); i += 4) {
curbyte <<= 4;
String nibble = new String(chars, 0, 4);
if ("0000".equals(nibble)) {
curbyte |= 0;
} else if ("0001".equals(nibble)) {
curbyte |= 0x1;
} else if ("0010".equals(nibble)) {
curbyte |= 0x2;
} else if ("0011".equals(nibble)) {
curbyte |= 0x3;
} else if ("0100".equals(nibble)) {
curbyte |= 0x4;
} else if ("0101".equals(nibble)) {
curbyte |= 0x5;
} else if ("0110".equals(nibble)) {
curbyte |= 0x6;
} else if ("0111".equals(nibble)) {
curbyte |= 0x7;
} else if ("1000".equals(nibble)) {
curbyte |= 0x8;
} else if ("1001".equals(nibble)) {
curbyte |= 0x9;
} else if ("1010".equals(nibble)) {
curbyte |= 0xA;
} else if ("1011".equals(nibble)) {
curbyte |= 0xB;
} else if ("1100".equals(nibble)) {
curbyte |= 0xC;
} else if ("1101".equals(nibble)) {
curbyte |= 0xD;
} else if ("1110".equals(nibble)) {
curbyte |= 0xE;
} else if ("1111".equals(nibble)) {
curbyte |= 0xF;
}
if (i > 0 && 0 == i % 8) {
bytes[byteidx++] = curbyte;
curbyte = 0;
}
}
stack.push(bytes);
return stack;
}
@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
Object threshold = stack.pop();
stack.push(new FilterLastLE(getName(), threshold));
return stack;
}