public VRML97Proto createProto(VRML97ProtoTokenizer stream) throws IOException {
stream.nextToken();
String protoName = stream.sval;
Debug.message("PROTO");
Debug.message(" name = " + protoName);
VRML97Proto proto = new VRML97Proto(protoName);
if (addProtoParameters(proto.getParameterList(), stream) == false) return null;
int nest = 0;
stream.nextToken();
while (stream.ttype != StreamTokenizer.TT_EOF) {
if (stream.ttype == StreamTokenizer.TT_WORD) {
if (stream.sval.compareTo("{") == 0) {
nest++;
break;
}
}
stream.nextToken();
}
stream.nextToken();
while (stream.ttype != StreamTokenizer.TT_EOF && 0 < nest) {
switch (stream.ttype) {
case StreamTokenizer.TT_NUMBER:
double dvalue = stream.nval;
String valStr = number2String(dvalue);
proto.addToken(valStr);
break;
case StreamTokenizer.TT_WORD:
if (stream.sval.compareTo("{") == 0) nest++;
if (stream.sval.compareTo("}") == 0) nest--;
if (0 < nest) proto.addToken(stream.sval);
break;
case StreamTokenizer.TT_EOL:
proto.addToken("\n");
break;
}
stream.nextToken();
}
return proto;
}
public void replace(VRML97ProtoTokenizer stream, PrintWriter printStream) throws IOException {
int nToken = 0;
while (stream.nextToken() != StreamTokenizer.TT_EOF) {
switch (stream.ttype) {
case StreamTokenizer.TT_NUMBER:
{
double numValue = stream.nval;
printStream.print(number2String(numValue));
boolean isNextTokenFloatWorld = false;
stream.nextToken();
if (stream.ttype == StreamTokenizer.TT_WORD) {
String strToken = stream.sval;
if (strToken != null) {
if (strToken.startsWith("E") || strToken.startsWith("e")) {
if (isIntegerValue(numValue) == true) printStream.print(".0");
printStream.print(strToken);
isNextTokenFloatWorld = true;
}
}
}
if (isNextTokenFloatWorld == false) stream.pushBack();
printStream.print(" ");
nToken++;
}
break;
case StreamTokenizer.TT_WORD:
{
String strToken = stream.sval;
if (strToken.compareTo("PROTO") == 0) {
VRML97Proto proto = createProto(stream);
if (proto != null) {
addVRML97Proto(proto);
String protoString = proto.getString(null);
if (protoString != null) {
printStream.println(protoString);
}
}
} else if (strToken.compareTo("DEF") == 0) {
String nodeName = null;
stream.nextToken();
if (stream.ttype == StreamTokenizer.TT_WORD) nodeName = stream.sval;
if (nodeName != null && 0 < nodeName.length())
printStream.print("DEF " + nodeName + " ");
} else {
VRML97Proto proto = getVRML97Proto(strToken);
if (proto != null) {
String protoString = getVRML97ProtoString(proto, stream);
if (protoString != null) {
Debug.message(protoString);
printStream.println(protoString);
}
} else {
printStream.print(strToken + " ");
nToken++;
}
}
}
break;
case StreamTokenizer.TT_EOL:
if (0 < nToken) printStream.println("");
nToken = 0;
break;
}
}
if (printStream != null) {
printStream.flush();
printStream.close();
}
}
public String getVRML97ProtoString(VRML97Proto proto, VRML97ProtoTokenizer stream)
throws IOException {
VRML97ProtoParameterList paramList = new VRML97ProtoParameterList();
int indent = 0;
stream.nextToken();
while (stream.ttype != StreamTokenizer.TT_EOF) {
if (stream.ttype == StreamTokenizer.TT_WORD) {
if (stream.sval.compareTo("{") == 0) {
indent++;
break;
}
}
stream.nextToken();
}
if (stream.ttype == StreamTokenizer.TT_EOF) return null;
stream.nextToken();
while (stream.ttype != StreamTokenizer.TT_EOF) {
switch (stream.ttype) {
case StreamTokenizer.TT_WORD:
{
String strToken = stream.sval;
if (strToken.compareTo("{") == 0) indent++;
else if (strToken.compareTo("}") == 0) {
indent--;
if (indent == 0) return proto.getString(paramList);
} else {
String name = strToken;
VRML97ProtoParameter protoParam = proto.getParameter(name);
if (protoParam != null) {
String fieldTypeName = protoParam.getType();
String value = getParameterValue(fieldTypeName, stream);
if (hasProto(proto, value) == true) {
Debug.message("==== value ==== ");
Debug.message(value);
StringWriter strWriter = new StringWriter();
PrintWriter printWriter = new PrintWriter(strWriter);
StringReader strReader = new StringReader(value);
VRML97ProtoTokenizer valueStream = new VRML97ProtoTokenizer(strReader);
try {
replace(valueStream, printWriter);
strWriter.flush();
strWriter.close();
} catch (IOException e) {
}
value = strWriter.toString();
Debug.message("==== New value ==== ");
Debug.message(value);
}
paramList.addParameter(fieldTypeName, name, value);
}
}
}
break;
case StreamTokenizer.TT_EOL:
{
}
break;
}
stream.nextToken();
}
return null;
}
