本文整理汇总了Java中java.io.StreamTokenizer.TT_NUMBER属性的典型用法代码示例。如果您正苦于以下问题:Java StreamTokenizer.TT_NUMBER属性的具体用法?Java StreamTokenizer.TT_NUMBER怎么用?Java StreamTokenizer.TT_NUMBER使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类java.io.StreamTokenizer
的用法示例。
在下文中一共展示了StreamTokenizer.TT_NUMBER属性的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: toMessage
public String toMessage() {
switch(ttype) {
case StreamTokenizer.TT_EOL:
return "\"EOL\"";
case StreamTokenizer.TT_EOF:
return "\"EOF\"";
case StreamTokenizer.TT_NUMBER:
return "NUMBER";
case StreamTokenizer.TT_WORD:
if (sval == null) {
return "IDENTIFIER";
} else {
return "IDENTIFIER " + sval;
}
default:
if (ttype == (int)'"') {
String msg = "QUOTED STRING";
if (sval != null)
msg = msg + " \"" + sval + "\"";
return msg;
} else {
return "CHARACTER \'" + (char)ttype + "\'";
}
}
}
示例2: next
Token next() throws IOException {
int type = tok.nextToken();
switch (type) {
case StreamTokenizer.TT_EOF:
case StreamTokenizer.TT_EOL:
return null;
case StreamTokenizer.TT_NUMBER:
return new NumToken(tok.nval);
case StreamTokenizer.TT_WORD:
return new StrToken(TType.IDENT, tok.sval);
case '"':
return new StrToken(TType.QUOT, tok.sval);
default:
switch (type) {
case ',':
return new Token(TType.COMMA);
case '(':
return new Token(TType.LPAREN);
case ')':
return new Token(TType.RPAREN);
default:
throw new IOException("Unexpected: " + type);
}
}
}
示例3: setJobTemplateCommand
private static void setJobTemplateCommand(JobTemplate jt, String line) throws IOException, DrmaaException {
Reader r = new StringReader(line);
StreamTokenizer tokenizer = new StreamTokenizer(r);
tokenizer.quoteChar('"');
tokenizer.quoteChar('\'');
String cmd = null;
List<String> args = new ArrayList<String>();
for (int tok = tokenizer.nextToken(); tok != StreamTokenizer.TT_EOF; tok = tokenizer.nextToken()) {
if (tok == StreamTokenizer.TT_WORD || tok == StreamTokenizer.TT_NUMBER) {
if (cmd == null) {
cmd = tokenizer.sval;
}
else {
args.add(tokenizer.sval);
}
}
}
jt.setRemoteCommand(cmd);
jt.setArgs(args);
}
示例4: parse
@Function(effects=IMMUTABLE, onNullInput=RETURNS_NULL)
public static ComplexScalar parse(String input, String typeName)
throws SQLException {
try {
StreamTokenizer tz = new StreamTokenizer(new StringReader(input));
if (tz.nextToken() == '('
&& tz.nextToken() == StreamTokenizer.TT_NUMBER) {
double x = tz.nval;
if (tz.nextToken() == ','
&& tz.nextToken() == StreamTokenizer.TT_NUMBER) {
double y = tz.nval;
if (tz.nextToken() == ')') {
s_logger.info(typeName + " from string");
return new ComplexScalar(x, y, typeName);
}
}
}
throw new SQLException("Unable to parse complex from string \""
+ input + '"');
} catch (IOException e) {
throw new SQLException(e.getMessage());
}
}
示例5: getIntOrCP
/**
* Read an int or codepoint - codepoint is given as a string
*/
private int getIntOrCP() throws IOException
{
int val = tkn.nextToken();
if (val == StreamTokenizer.TT_NUMBER)
{
return new Double(tkn.nval).intValue();
}
else if (val == StreamTokenizer.TT_WORD)
{
return decodeCP(tkn.sval);
}
else
{
fail("Expecting number, got " + tkn.sval + " on line "
+ tkn.lineno());
System.exit(1);
}
return 0;
}
示例6: getIntOrCP
/**
* Read an int or codepoint - codepoint is given as a string
*/
private int getIntOrCP() throws IOException
{
int val = tkn.nextToken();
if (val == StreamTokenizer.TT_NUMBER)
{
return new Double(tkn.nval).intValue();
}
else if (val == StreamTokenizer.TT_WORD)
{
return decodeCP(tkn.sval);
}
else
{
fail("Expecting number, got " + tkn.sval + " on line "
+ tkn.lineno());
System.exit(1);
}
return 0;
}
示例7: parse
@Override
public ComputedAttributeParserState parse(StreamTokenizer st) throws IOException, ParseException
{
ComputedAttributeParserState nextState = null;
while(nextState == null && st.ttype != StreamTokenizer.TT_EOF)
{
int nextToken = st.nextToken();
if (nextToken != StreamTokenizer.TT_EOL && nextToken != StreamTokenizer.TT_EOF)
{
switch(nextToken)
{
case '(':
nextState = new ExpressionBeginState(this.getParser());
break;
case StreamTokenizer.TT_NUMBER:
throw new ParseException("unexpected number "+st.nval+" in expression "+this.getParser().getFormula()+" in "+this.getParser().getDiagnosticMessage());
case StreamTokenizer.TT_WORD:
throw new ParseException("unexpected word "+st.sval+" in expression "+this.getParser().getFormula()+" in "+this.getParser().getDiagnosticMessage());
default:
char ch = (char)st.ttype;
throw createUnexpectedCharacterException(ch, "(");
}
}
}
return nextState;
}
示例8: toString
public String toString() {
StringBuilder sb = new StringBuilder();
switch(ttype) {
case StreamTokenizer.TT_EOL:
sb.append("ttype=TT_EOL");
break;
case StreamTokenizer.TT_EOF:
sb.append("ttype=TT_EOF");
break;
case StreamTokenizer.TT_NUMBER:
sb.append("ttype=TT_NUM,").append("nval="+nval);
break;
case StreamTokenizer.TT_WORD:
if (sval == null) {
sb.append("ttype=TT_WORD:IDENTIFIER");
} else {
sb.append("ttype=TT_WORD:").append("sval="+sval);
}
break;
default:
if (ttype == (int)'"') {
sb.append("ttype=TT_STRING:").append("sval="+sval);
} else {
sb.append("ttype=TT_CHAR:").append((char)ttype);
}
break;
}
return sb.toString();
}
示例9: parseData
public void parseData(StreamTokenizer st, int currentNumber, List<Object> rowValue) throws ParseException
{
if (currentNumber >= this.headers.size())
{
throw new ParseException("extra data on line " + st.lineno(), st.lineno());
}
if (st.ttype == StreamTokenizer.TT_NUMBER)
{
rowValue.add(st.nval);
}
else
{
rowValue.add(st.sval);
}
}
示例10: parseError
/**
* Throws a formatted ParseException for the current token.
*
* @param expected a description of what was expected
* @throws ParseException
* @throws com.vividsolutions.jts.util.AssertionFailedException if an
* invalid token is encountered
*/
private void parseError(String expected) throws ParseException {
// throws Asserts for tokens that should never be seen
if (tokenizer.ttype == StreamTokenizer.TT_NUMBER)
Assert.shouldNeverReachHere("Unexpected NUMBER token");
if (tokenizer.ttype == StreamTokenizer.TT_EOL)
Assert.shouldNeverReachHere("Unexpected EOL token");
String tokenStr = tokenString();
throw new ParseException("Expected " + expected + " but found "
+ tokenStr);
}
示例11: read
/**
* Read data from a MIX file.
* <p>
* @return MixFileData a vector of MixTrackData elements
* @exception IOException is thrown if there is an error
* in the data.
*/
public MixFileData read() throws IOException {
String line;
String mediaFileName = null;
double times[] = { 0.0, 0.0 };
MixFileData v = new MixFileData();
int token;
int tokencnt;
int linecnt = 0;
while ((token = st.nextToken()) != StreamTokenizer.TT_EOF) {
tokencnt = 0;
while (token != StreamTokenizer.TT_EOL) {
switch (token) {
case StreamTokenizer.TT_WORD:
if (tokencnt != 0) {
throw new IOException("Read error at line " + linecnt);
}
mediaFileName = st.sval;
break;
case StreamTokenizer.TT_NUMBER:
if (tokencnt < 1) {
throw new IOException("Read error at line " + linecnt);
}
times[tokencnt - 1] = st.nval;
break;
}
tokencnt++;
token = st.nextToken();
}
v.addTrackData(new MixTrackData(mediaFileName, times[0], times[1]));
linecnt++;
}
fr.close();
return v;
}
示例12: doCalc
protected void doCalc() throws IOException {
int iType;
double tmp;
while ((iType = tf.nextToken()) != StreamTokenizer.TT_EOF) {
switch(iType) {
case StreamTokenizer.TT_NUMBER: // Found a number, push value to stack
push(tf.nval);
break;
case StreamTokenizer.TT_WORD:
// Found a variable, save its name. Not used here.
variable = tf.sval;
break;
case '+':
// + operator is commutative.
push(pop() + pop());
break;
case '-':
// - operator: order matters.
tmp = pop();
push(pop() - tmp);
break;
case '*':
// Multiply is commutative
push(pop() * pop());
break;
case '/':
// Handle division carefully: order matters!
tmp = pop();
push(pop() / tmp);
break;
case '=':
out.println(peek());
break;
default:
out.println("What's this? iType = " + iType);
}
}
}
示例13: processFile
/**
* Process a command file
*
* @param filename
* @exception IOException, DRDAProtocolException error reading file or protocol
*/
private void processFile(String filename)
throws IOException, DRDAProtocolException
{
String prev_filename = current_filename;
current_filename = filename;
String hostName=getHostName();
BufferedReader fr;
try {
fr = new BufferedReader(new InputStreamReader(new FileInputStream(filename),"UTF-8"));
} catch (FileNotFoundException fnfe) {
// if useprocess=false & we're running in a suite,
// the location is different, try it
String userdir = System.getProperty("user.dir");
String sep = System.getProperty("file.separator");
fr = new BufferedReader (new InputStreamReader(new FileInputStream(userdir + sep + filename),"UTF-8"));
}
tkn = new StreamTokenizer(fr);
int val;
while ( (val = tkn.nextToken()) != StreamTokenizer.TT_EOF)
{
switch(val)
{
case StreamTokenizer.TT_NUMBER:
break;
case StreamTokenizer.TT_WORD:
processCommand();
break;
case StreamTokenizer.TT_EOL:
break;
}
}
current_filename = prev_filename;
}
示例14: getString
/**
* Read a string from the command file
*
* @return string found in file
* @exception IOException error reading file
*/
private String getString() throws IOException
{
int val = tkn.nextToken();
if (val == StreamTokenizer.TT_NUMBER)
{
System.err.println("Expecting word, got " + tkn.nval + " on line " + tkn.lineno());
System.exit(1);
}
return tkn.sval;
}
示例15: parseBuiltInPredicate
private static Expr parseBuiltInPredicate(String lhs, StreamTokenizer scan) throws DatalogException {
try {
String operator;
scan.nextToken();
if(scan.ttype == StreamTokenizer.TT_WORD) {
// At some point I was going to have "eq" and "ne" for string comparisons, but it wasn't a good idea.
operator = scan.sval;
} else {
operator = Character.toString((char)scan.ttype);
scan.nextToken();
if(scan.ttype == '=' || scan.ttype == '>') {
operator = operator + Character.toString((char)scan.ttype);
} else {
scan.pushBack();
}
}
if(!validOperators.contains(operator)) {
throw new DatalogException("Invalid operator '" + operator + "'");
}
String rhs = null;
scan.nextToken();
if(scan.ttype == StreamTokenizer.TT_WORD) {
rhs = scan.sval;
} else if(scan.ttype == '"' || scan.ttype == '\'') {
rhs = scan.sval;
} else if(scan.ttype == StreamTokenizer.TT_NUMBER) {
rhs = numberToString(scan.nval);
} else {
throw new DatalogException("[line " + scan.lineno() + "] Right hand side of expression expected");
}
return new Expr(operator, lhs, rhs);
} catch (IOException e) {
throw new DatalogException(e);
}
}