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/**
* An OSC (Open Sound Control) library for processing.
*
* (c) 2004-2012
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* @author Andreas Schlegel http://www.sojamo.de
* @modified 12/23/2012
* @version 0.9.9
*/
package oscP5;
import java.net.InetAddress;
import java.util.ArrayList;
import netP5.Bytes;
import netP5.TcpClient;
/**
*
* @invisible
*/
public abstract class OscPatcher {
protected static final byte ZEROBYTE = 0x00;
protected static final byte KOMMA = 0x2c;
protected static final long TIMETAG_OFFSET = 2208988800L;
protected static final long TIEMTAG_NOW = 1;
protected ArrayList<OscMessage> messages;
protected byte[] _myAddrPattern;
protected int _myAddrInt = -1;
protected byte[] _myTypetag = new byte[0];
protected byte[] _myData = new byte[0];
protected Object[] _myArguments;
protected boolean isValid = false;
protected long timetag = 1;
protected boolean isArray = false;
protected byte _myArrayType = 0X00;
protected OscPatcher() {
}
protected int parseBundle(final byte[] theBytes,
final InetAddress theAddress, final int thePort,
final TcpClient theClient) {
if (theBytes.length > OscBundle.BUNDLE_HEADER_SIZE) {
timetag = (new Long(Bytes.toLong(Bytes.copy(theBytes, 8, 8)))).longValue();
int myPosition = OscBundle.BUNDLE_HEADER_SIZE;
messages = new ArrayList<OscMessage>();
int myMessageLength = Bytes.toInt(Bytes.copy(theBytes, myPosition,4));
while (myMessageLength != 0 && (myMessageLength % 4 == 0)
&& myPosition < theBytes.length) {
myPosition += 4;
messages.add(new OscMessage(Bytes.copy(theBytes, myPosition,myMessageLength),
theAddress,
thePort,
timetag,
theClient));
myPosition += myMessageLength;
if(myPosition >= theBytes.length)
break;
myMessageLength = Bytes.toInt(Bytes.copy(theBytes, myPosition,4));
}
}
for (int i = 0; i < messages.size(); i++) {
if (!messages.get(i).isValid) {
messages.remove(messages.get(i));
}
}
if (messages.size() > 0) {
isValid = true;
}
return messages.size();
}
protected void parseMessage(final byte[] theBytes) {
int myLength = theBytes.length;
int myIndex = 0;
myIndex = parseAddrPattern(theBytes, myLength, myIndex);
if (myIndex != -1) {
myIndex = parseTypetag(theBytes, myLength, myIndex);
}
if (myIndex != -1) {
_myData = Bytes.copy(theBytes, myIndex);
_myArguments = parseArguments(_myData);
isValid = true;
}
}
protected int parseAddrPattern(final byte[] theBytes, final int theLength,
final int theIndex) {
if (theLength > 4 && theBytes[4] == KOMMA) {
_myAddrInt = Bytes.toInt(Bytes.copy(theBytes, 0, 4));
}
for (int i = theIndex; i < theLength; i++) {
if (theBytes[i] == ZEROBYTE) {
_myAddrPattern = Bytes.copy(theBytes, theIndex, i);
return i + align(i);
}
}
return -1;
}
protected int parseTypetag(final byte[] theBytes, final int theLength,
int theIndex) {
if (theBytes[theIndex] == KOMMA) {
theIndex++;
for (int i = theIndex; i < theLength; i++) {
if (theBytes[i] == ZEROBYTE) {
_myTypetag = Bytes.copy(theBytes, theIndex, i - theIndex);
return i + align(i);
}
}
}
return -1;
}
/**
* cast the arguments passed with the incoming osc message and store them in
* an object array.
*
* @param theBytes
* @return
*/
protected Object[] parseArguments(final byte[] theBytes) {
Object[] myArguments = new Object[0];
int myTagIndex = 0;
int myIndex = 0;
myArguments = new Object[_myTypetag.length];
isArray = (_myTypetag.length > 0) ? true : false;
while (myTagIndex < _myTypetag.length) {
/* check if we still save the arguments as an array */
if (myTagIndex == 0) {
_myArrayType = _myTypetag[myTagIndex];
} else {
if (_myTypetag[myTagIndex] != _myArrayType) {
isArray = false;
}
}
switch (_myTypetag[myTagIndex]) {
case (0x63): // char c
myArguments[myTagIndex] = (new Character((char) (Bytes
.toInt(Bytes.copy(theBytes, myIndex, 4)))));
myIndex += 4;
break;
case (0x69): // int i
myArguments[myTagIndex] = (new Integer(Bytes.toInt(Bytes.copy(
theBytes, myIndex, 4))));
myIndex += 4;
break;
case (0x66): // float f
myArguments[myTagIndex] = (new Float(Bytes.toFloat(Bytes.copy(
theBytes, myIndex, 4))));
myIndex += 4;
break;
case (0x6c): // long l
case (0x68): // long h
myArguments[myTagIndex] = (new Long(Bytes.toLong(Bytes.copy(
theBytes, myIndex, 8))));
myIndex += 8;
break;
case (0x64): // double d
myArguments[myTagIndex] = (new Double(Bytes.toDouble(Bytes
.copy(theBytes, myIndex, 8))));
myIndex += 8;
break;
case (0x53): // Symbol S
case (0x73): // String s
int newIndex = myIndex;
StringBuffer stringBuffer = new StringBuffer();
stringLoop:
do {
if (theBytes[newIndex] == 0x00) {
break stringLoop;
} else {
stringBuffer.append((char) theBytes[newIndex]);
}
newIndex++;
} while (newIndex < theBytes.length);
myArguments[myTagIndex] = (stringBuffer.toString());
myIndex = newIndex + align(newIndex);
break;
case 0x62: // byte[] b - blob
int myLen = Bytes.toInt(Bytes.copy(theBytes, myIndex, 4));
myIndex += 4;
myArguments[myTagIndex] = Bytes.copy(theBytes, myIndex, myLen);
myIndex += myLen + (align(myLen) % 4);
break;
case 0x6d: // midi m
myArguments[myTagIndex] = Bytes.copy(theBytes, myIndex, 4);
myIndex += 4;
break;
/*
* no arguments for typetags T,F,N T = true F = false N = false
*/
}
myTagIndex++;
}
_myData = Bytes.copy(_myData, 0, myIndex);
return myArguments;
}
protected static int align(int theInt) {
return (4 - (theInt % 4));
}
}
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