Class GrayStream

java.lang.Object

org.armedbear.lisp.LispObject

org.armedbear.lisp.StructureObject

org.armedbear.lisp.Stream

org.armedbear.lisp.GrayStream

public class GrayStream
extends Stream

The Java stub for Gray streams which wraps the reference of the CLOS object corresponding to the stream.

Nested Class Summary

Nested classes/interfaces inherited from class Stream

Stream.EolStyle, Stream.ReadtableAccessor

Field Summary

Fields

Modifier and Type	Field	Description
static final Symbol	ELEMENT_TYPE
static final Symbol	FILE_POSITION
static final Symbol	FINISH_OUTPUT
static final Symbol	FORCE_OUTPUT
static final Symbol	FRESH_LINE
static final Symbol	LINE_COLUMN
static final Symbol	READ_BYTE
static final Symbol	READ_CHAR
static final Symbol	STREAM_LISTEN
static final Symbol	UNREAD_CHAR
static final Symbol	WRITE_BYTE
static final Symbol	WRITE_CHAR
static final Symbol	WRITE_CHARS
static final Symbol	WRITE_STRING

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

Method Summary

Modifier and Type	Method	Description
protected boolean	_byteReady()
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
void	_forceOutput()
long	_getFilePosition()	Returns a (non-negative) file position integer or a negative value if the position cannot be determined.
int	_readByte()	Reads an 8-bit byte off the underlying stream
int	_readChar()	Reads a character off an underlying stream
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	_writeString(String string)	Writes a string to the underlying stream, updating charPos while doing so
static GrayStream	findOrCreate(LispObject o)
LispObject	freshLine()	Emit a newline unless at character position zero Return T if newline was emitted, NIL otherwise
int	getCharPos()
LispObject	getElementType()
String	getEncoding()
LispObject	getExternalFormat()
final int	getLineNumber()
int	getOffset()
boolean	isBinaryInputStream()
boolean	isBinaryOutputStream()
boolean	isBinaryStream()
boolean	isCharacterInputStream()
boolean	isCharacterOutputStream()
boolean	isCharacterStream()
boolean	isInputStream()
boolean	isInteractive()
boolean	isOpen()
boolean	isOutputStream()
void	setExternalFormat(LispObject format)
void	setInteractive(boolean b)
void	setOpen(boolean b)

Methods inherited from class Stream

_close, _setFilePosition, _writeLine, availableEncodings, classOf, clearInput, close, fileLength, fileStringLength, finishOutput, getFilePosition, getWrappedInputStream, getWrappedOutputStream, getWrappedReader, getWrappedWriter, initAsBinaryInputStream, initAsBinaryOutputStream, initAsCharacterInputStream, initAsCharacterOutputStream, invert, listen, 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, setFilePosition, setWriter, skipBalancedComment, streamNotBinaryOutputStream, streamNotCharacterInputStream, streamNotCharacterOutputStream, streamNotInputStream, streamNotOutputStream, terpri, typeOf, typep, 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

Field Details

ELEMENT_TYPE

public static final Symbol ELEMENT_TYPE

FORCE_OUTPUT

public static final Symbol FORCE_OUTPUT

WRITE_STRING

public static final Symbol WRITE_STRING

WRITE_CHAR

public static final Symbol WRITE_CHAR

WRITE_CHARS

public static final Symbol WRITE_CHARS

FRESH_LINE

public static final Symbol FRESH_LINE

READ_CHAR

public static final Symbol READ_CHAR

UNREAD_CHAR

public static final Symbol UNREAD_CHAR

STREAM_LISTEN

public static final Symbol STREAM_LISTEN

READ_BYTE

public static final Symbol READ_BYTE

WRITE_BYTE

public static final Symbol WRITE_BYTE

FINISH_OUTPUT

public static final Symbol FINISH_OUTPUT

FILE_POSITION

public static final Symbol FILE_POSITION

LINE_COLUMN

public static final Symbol LINE_COLUMN

Method Details

findOrCreate

public static GrayStream findOrCreate(LispObject o)

isInputStream

public boolean isInputStream()

Overrides:

isInputStream in class Stream

isOutputStream

public boolean isOutputStream()

Overrides:

isOutputStream in class Stream

isCharacterStream

public boolean isCharacterStream()

isBinaryStream

public boolean isBinaryStream()

isCharacterInputStream

public boolean isCharacterInputStream()

Overrides:

isCharacterInputStream in class Stream

isCharacterOutputStream

public boolean isCharacterOutputStream()

Overrides:

isCharacterOutputStream in class Stream

isBinaryInputStream

public boolean isBinaryInputStream()

Overrides:

isBinaryInputStream in class Stream

isBinaryOutputStream

public boolean isBinaryOutputStream()

Overrides:

isBinaryOutputStream in class Stream

getElementType

public LispObject getElementType()

Overrides:

getElementType in class Stream

_forceOutput

public void _forceOutput()

_writeString

public void _writeString(String string)

Description copied from class: Stream

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

Overrides:

_writeString in class Stream

Parameters:

string -

_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 -

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

_readChar

public int _readChar()

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

_unreadChar

public void _unreadChar(int n)

Description copied from class: Stream

Puts a character back into the (underlying) stream

Overrides:

_unreadChar in class Stream

Parameters:

n -

_charReady

protected boolean _charReady()

Description copied from class: Stream

Returns a boolean indicating input readily available

Overrides:

_charReady in class Stream

Returns:

true if a character is available

_byteReady

protected boolean _byteReady()

Overrides:

_byteReady in class Stream

_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

_getFilePosition

public long _getFilePosition()

Description copied from class: Stream

Returns a (non-negative) file position integer or a negative value if the position cannot be determined.

Overrides:

_getFilePosition in class Stream

Returns:

non-negative value as a position spec

getCharPos

public int getCharPos()

Overrides:

getCharPos in class Stream

isInteractive

public boolean isInteractive()

Overrides:

isInteractive in class Stream

setInteractive

public void setInteractive(boolean b)

Overrides:

setInteractive in class Stream

getExternalFormat

public LispObject getExternalFormat()

Overrides:

getExternalFormat in class Stream

getEncoding

public String getEncoding()

Overrides:

getEncoding in class Stream

setExternalFormat

public void setExternalFormat(LispObject format)

Overrides:

setExternalFormat in class Stream

isOpen

public boolean isOpen()

Overrides:

isOpen in class Stream

setOpen

public void setOpen(boolean b)

Overrides:

setOpen in class Stream

getOffset

public int getOffset()

Overrides:

getOffset in class Stream

getLineNumber

public final int getLineNumber()

Overrides:

getLineNumber 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