Java by API/java.io/StreamTokenizer
Содержание
- 1 new StreamTokenizer(FileReader fileReader)
- 2 new StreamTokenizer(Reader r)
- 3 StreamTokenizer: commentChar(int ch)
- 4 StreamTokenizer: eolIsSignificant(boolean b)
- 5 StreamTokenizer: lineno()
- 6 StreamTokenizer: nextToken()
- 7 StreamTokenizer: nval
- 8 StreamTokenizer: ordinaryChar(int ch)
- 9 StreamTokenizer.TT_EOF
- 10 StreamTokenizer.TT_NUMBER
- 11 StreamTokenizer.TT_WORD
- 12 StreamTokenizer: ttype
- 13 StreamTokenizer: wordChars((int low, int hi))
new StreamTokenizer(FileReader fileReader)
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
new StreamTokenizer(Reader r)
<source lang="java">
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.StreamTokenizer; public class Main {
public static void main(String[] av) throws IOException {
StreamTokenizer tf = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
int i;
while ((i = tf.nextToken()) != StreamTokenizer.TT_EOF) {
switch (i) {
case StreamTokenizer.TT_EOF:
System.out.println("End of file");
break;
case StreamTokenizer.TT_EOL:
System.out.println("End of line");
break;
case StreamTokenizer.TT_NUMBER:
System.out.println("Number " + tf.nval);
break;
case StreamTokenizer.TT_WORD:
System.out.println("Word, length " + tf.sval.length() + "->" + tf.sval);
break;
default:
System.out.println("What is it? i = " + i);
}
}
}
}
</source>
StreamTokenizer: commentChar(int ch)
<source lang="java">
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.StreamTokenizer; public class Main {
public static void main(String args[]) throws IOException {
BufferedReader inData = new BufferedReader(new InputStreamReader(System.in));
StreamTokenizer inStream = new StreamTokenizer(inData);
inStream.rumentChar("#");
boolean eof = false;
do {
int token = inStream.nextToken();
switch (token) {
case StreamTokenizer.TT_EOF:
System.out.println("EOF encountered.");
eof = true;
break;
case StreamTokenizer.TT_EOL:
System.out.println("EOL encountered.");
break;
case StreamTokenizer.TT_WORD:
System.out.println("Word: " + inStream.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println("Number: " + inStream.nval);
break;
default:
System.out.println((char) token + " encountered.");
if (token == "!")
eof = true;
}
} while (!eof);
}
}
</source>
StreamTokenizer: eolIsSignificant(boolean b)
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
// Consider end-of-line as a token
st.eolIsSignificant(true);
// Declare variable to count lines
int lines = 1;
// Process tokens
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_EOL:
++lines;
}
}
System.out.println("There are " + lines + " lines");
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer: lineno()
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer: nextToken()
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer: nval
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
// Create a file reader
FileReader fr = new FileReader(args[0]);
// Create a buffered reader
BufferedReader br = new BufferedReader(fr);
// Create a stream tokenizer
StreamTokenizer st = new StreamTokenizer(br);
// Process tokens
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
// Close file reader
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer: ordinaryChar(int ch)
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer.TT_EOF
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer.TT_NUMBER
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer.TT_WORD
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer: ttype
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
// Create a file reader
FileReader fr = new FileReader(args[0]);
// Create a buffered reader
BufferedReader br = new BufferedReader(fr);
// Create a stream tokenizer
StreamTokenizer st = new StreamTokenizer(br);
// Process tokens
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
// Close file reader
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
StreamTokenizer: wordChars((int low, int hi))
<source lang="java">
/*
* Output: * */
import java.io.BufferedReader; import java.io.FileReader; import java.io.StreamTokenizer; public class MainClass {
public static void main(String args[]) {
try {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
StreamTokenizer st = new StreamTokenizer(br);
st.ordinaryChar(".");
st.wordChars("\"", "\"");
while (st.nextToken() != StreamTokenizer.TT_EOF) {
switch (st.ttype) {
case StreamTokenizer.TT_WORD:
System.out.println(st.lineno() + ") " + st.sval);
break;
case StreamTokenizer.TT_NUMBER:
System.out.println(st.lineno() + ") " + st.nval);
break;
default:
System.out.println(st.lineno() + ") " + (char) st.ttype);
}
}
fr.close();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
</source>
