Class CodeInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

java.io.DataInputStream

de.inetsoftware.classparser.CodeInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable

public class CodeInputStream
extends DataInputStream

Extends the DataInputStream with a code position.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	CodeInputStream.ByteCodeArrayInputStream

Field Summary

Fields

Modifier and Type	Field	Description
private Code	code

Fields inherited from class FilterInputStream

in

Constructor Summary

Constructors

Modifier	Constructor	Description
(package private)	CodeInputStream(byte[] buf, int offset, int length, Code code)	Create a new instance of CodeInputStream.
private	CodeInputStream(CodeInputStream.ByteCodeArrayInputStream in)

Method Summary

Modifier and Type	Method	Description
int	getCodePosition()	Get the code index of the current read position.
int	getLineNumber()	Line number in the source code or -1 if not available
int	readUnsignedIndex(boolean wide)	Read an unsigned index.

Methods inherited from class DataInputStream

read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes

Methods inherited from class FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

code

private Code code

Constructor Details

CodeInputStream

CodeInputStream(byte[] buf,
 int offset,
 int length,
 Code code)

Create a new instance of CodeInputStream.

Parameters:

buf - the buffer with the Java byte code

offset - the offset in the array

length - the length

code - the calling code to get the line numbers

CodeInputStream

private CodeInputStream(CodeInputStream.ByteCodeArrayInputStream in)

Method Details

getCodePosition

public int getCodePosition()

Get the code index of the current read position.

Returns:

the position

getLineNumber

public int getLineNumber()

Line number in the source code or -1 if not available

Returns:

the line number

readUnsignedIndex

public int readUnsignedIndex(boolean wide)
                      throws IOException

Read an unsigned index. For example for a variable.

Parameters:

wide - true, 2 byte index

Returns:

the unsigned value

Throws:

IOException - if any I/O errors occur