Class EchoStream

java.lang.Object

org.armedbear.lisp.LispObject

org.armedbear.lisp.StructureObject

org.armedbear.lisp.Stream

org.armedbear.lisp.EchoStream

public final class EchoStream
extends Stream

Nested Class Summary

Nested classes/interfaces inherited from class Stream

Stream.EolStyle, Stream.ReadtableAccessor

Field Summary

Fields inherited from class Stream

AVAILABLE_ENCODINGS, charPos, currentReadtable, elementType, encoding, eolChar, eolStyle, externalFormat, faslReadtable, isBinaryStream, isCharacterStream, isInputStream, isOutputStream, keywordDefault, lastChar, lineNumber, offset, OUT_SYNONYM_OF, platformEolStyle, reader, SET_STREAM_EXTERNAL_FORMAT, STREAM_EXTERNAL_FORMAT

Constructor Summary

Constructors

Constructor	Description
EchoStream(Stream in, Stream out)
EchoStream(Stream in, Stream out, boolean interactive)

Method Summary

Modifier and Type	Method	Description
protected boolean	_charReady()	Returns a boolean indicating input readily available
void	_clearInput()	Reads all input from the underlying stream, until _charReady() indicates no more input to be available
void	_finishOutput()	Flushes any buffered output in the (underlying) stream
int	_readByte()	Reads an 8-bit byte off the underlying stream
protected int	_readChar()	Reads a character off an underlying stream
protected void	_unreadChar(int n)	Puts a character back into the (underlying) stream
void	_writeByte(int n)	Writes an 8-bit byte off the underlying stream
void	_writeChar(char c)	Writes a character into the underlying stream, updating charPos while doing so
void	_writeChars(char[] chars, int start, int end)	Writes a series of characters in the underlying stream, updating charPos while doing so
void	_writeLine(String s)	Writes a string to the underlying stream, appending a new line and updating charPos while doing so
void	_writeString(String s)	Writes a string to the underlying stream, updating charPos while doing so
LispObject	classOf()
LispObject	close(LispObject abort)
LispObject	freshLine()	Emit a newline unless at character position zero Return T if newline was emitted, NIL otherwise
LispObject	getElementType()
Stream	getInputStream()
Stream	getOutputStream()
boolean	isBinaryInputStream()
boolean	isBinaryOutputStream()
boolean	isCharacterInputStream()
boolean	isCharacterOutputStream()
boolean	isInputStream()
boolean	isOutputStream()
LispObject	listen()
LispObject	typeOf()
LispObject	typep(LispObject type)

Methods inherited from class Stream

_byteReady, _close, _getFilePosition, _setFilePosition, availableEncodings, clearInput, fileLength, fileStringLength, finishOutput, getCharPos, getEncoding, getExternalFormat, getFilePosition, getLineNumber, getOffset, getWrappedInputStream, getWrappedOutputStream, getWrappedReader, getWrappedWriter, initAsBinaryInputStream, initAsBinaryOutputStream, initAsCharacterInputStream, initAsCharacterOutputStream, invert, isInteractive, isOpen, prin1, print, printStackTrace, read, readArray, readByte, readChar, readChar, readCharacterLiteral, readCharNoHang, readComplex, readDelimitedList, readDispatchChar, readLine, readList, readPathname, readPreservingWhitespace, readRadix, readSharpDot, readSharpLeftParen, readSharpStar, readString, readStructure, readSymbol, readSymbol, setCharPos, setExternalFormat, setFilePosition, setInteractive, setOpen, setWriter, skipBalancedComment, streamNotBinaryOutputStream, streamNotCharacterInputStream, streamNotCharacterOutputStream, streamNotInputStream, streamNotOutputStream, terpri, unreadChar

Methods inherited from class StructureObject

equalp, getFixnumSlotValue, getParts, getSlotIndex, getSlotValue, getSlotValue_0, getSlotValue_1, getSlotValue_2, getSlotValue_3, getSlotValueAsBoolean, printObject, psxhash, psxhash, setSlotValue, setSlotValue, setSlotValue_0, setSlotValue_1, setSlotValue_2, setSlotValue_3, SLOT_VALUE

Methods inherited from class LispObject

ABS, add, add, aref, AREF, AREF, aref_long, aset, aset, aset, ash, ash, atom, ATOM, caddr, cadr, car, cddr, cdr, CHAR, characterp, CHARACTERP, chars, COMPLEXP, constantp, CONSTANTP, copyToArray, decr, DENOMINATOR, dispatch, divideBy, doubleValue, elt, endp, ENDP, EQ, eql, eql, eql, EQL, equal, equal, EQUAL, equalp, evenp, EVENP, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, floatp, FLOATP, floatValue, getBooleanValue, getCallCount, getDescription, getDocumentation, getHotCount, getInstance, getPropertyList, getStringChars, getStringValue, getSymbolFunction, getSymbolFunctionOrDie, getSymbolSetfFunction, getSymbolSetfFunctionOrDie, getSymbolValue, incr, incrementCallCount, incrementHotCount, integerp, INTEGERP, intValue, IS_E, IS_GE, IS_GT, IS_LE, IS_LT, IS_NE, isEqualTo, isEqualTo, isGreaterThan, isGreaterThan, isGreaterThanOrEqualTo, isGreaterThanOrEqualTo, isLessThan, isLessThan, isLessThanOrEqualTo, isLessThanOrEqualTo, isNotEqualTo, isNotEqualTo, isSpecialOperator, isSpecialVariable, javaInstance, javaInstance, LDB, length, LENGTH, listp, LISTP, lockableInstance, LOGAND, LOGAND, LOGIOR, LOGIOR, LOGNOT, LOGXOR, LOGXOR, longValue, minusp, MINUSP, MOD, MOD, multiplyBy, multiplyBy, negate, noFillPointer, NOT, nreverse, NTH, NTH, nthcdr, numberp, NUMBERP, NUMERATOR, oddp, ODDP, plusp, PLUSP, princToString, push, rationalp, RATIONALP, realp, REALP, resolve, reverse, RPLACA, RPLACD, SCHAR, setCallCount, setCar, setCdr, setDocumentation, setHotCount, setPropertyList, SIMPLE_STRING_P, STRING, stringp, STRINGP, subtract, subtract, SVREF, svset, sxhash, SYMBOLP, truncate, unreadableString, unreadableString, VECTOR_PUSH_EXTEND, VECTOR_PUSH_EXTEND, vectorp, VECTORP, vectorPushExtend, zerop, ZEROP

Methods inherited from class Object

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

Constructor Details

EchoStream

public EchoStream(Stream in,
 Stream out)

EchoStream

public EchoStream(Stream in,
 Stream out,
 boolean interactive)

Method Details

getElementType

public LispObject getElementType()

Overrides:

getElementType in class Stream

getInputStream

public Stream getInputStream()

getOutputStream

public Stream getOutputStream()

typeOf

public LispObject typeOf()

Overrides:

typeOf in class Stream

classOf

public LispObject classOf()

Overrides:

classOf in class Stream

typep

public LispObject typep(LispObject type)

Overrides:

typep in class Stream

isInputStream

public boolean isInputStream()

Overrides:

isInputStream in class Stream

isOutputStream

public boolean isOutputStream()

Overrides:

isOutputStream in class Stream

isCharacterInputStream

public boolean isCharacterInputStream()

Overrides:

isCharacterInputStream in class Stream

isBinaryInputStream

public boolean isBinaryInputStream()

Overrides:

isBinaryInputStream in class Stream

isCharacterOutputStream

public boolean isCharacterOutputStream()

Overrides:

isCharacterOutputStream in class Stream

isBinaryOutputStream

public boolean isBinaryOutputStream()

Overrides:

isBinaryOutputStream in class Stream

_readChar

protected int _readChar()
                 throws IOException

Description copied from class: Stream

Reads a character off an underlying stream

Overrides:

_readChar in class Stream

Returns:

a character, or -1 at end-of-file

Throws:

IOException

_unreadChar

protected void _unreadChar(int n)
                    throws IOException

Description copied from class: Stream

Puts a character back into the (underlying) stream

Overrides:

_unreadChar in class Stream

Parameters:

n -

Throws:

IOException

_charReady

protected boolean _charReady()
                      throws IOException

Description copied from class: Stream

Returns a boolean indicating input readily available

Overrides:

_charReady in class Stream

Returns:

true if a character is available

Throws:

IOException

_writeChar

public void _writeChar(char c)

Description copied from class: Stream

Writes a character into the underlying stream, updating charPos while doing so

Overrides:

_writeChar in class Stream

Parameters:

c -

_writeChars

public void _writeChars(char[] chars,
 int start,
 int end)

Description copied from class: Stream

Writes a series of characters in the underlying stream, updating charPos while doing so

Overrides:

_writeChars in class Stream

Parameters:

chars -

start -

end -

_writeString

public void _writeString(String s)

Description copied from class: Stream

Writes a string to the underlying stream, updating charPos while doing so

Overrides:

_writeString in class Stream

Parameters:

s -

_writeLine

public void _writeLine(String s)

Description copied from class: Stream

Writes a string to the underlying stream, appending a new line and updating charPos while doing so

Overrides:

_writeLine in class Stream

Parameters:

s -

_readByte

public int _readByte()

Description copied from class: Stream

Reads an 8-bit byte off the underlying stream

Overrides:

_readByte in class Stream

Returns:

_writeByte

public void _writeByte(int n)

Description copied from class: Stream

Writes an 8-bit byte off the underlying stream

Overrides:

_writeByte in class Stream

Parameters:

n -

_finishOutput

public void _finishOutput()

Description copied from class: Stream

Flushes any buffered output in the (underlying) stream

Overrides:

_finishOutput in class Stream

_clearInput

public void _clearInput()

Description copied from class: Stream

Reads all input from the underlying stream, until _charReady() indicates no more input to be available

Overrides:

_clearInput in class Stream

close

public LispObject close(LispObject abort)

Overrides:

close in class Stream

listen

public LispObject listen()

Overrides:

listen in class Stream

freshLine

public LispObject freshLine()

Description copied from class: Stream

Emit a newline unless at character position zero Return T if newline was emitted, NIL otherwise

Overrides:

freshLine in class Stream