com.ximpleware
Class BinaryExpr

java.lang.Object
  com.ximpleware.Expr
      com.ximpleware.BinaryExpr

public class BinaryExpr
extends Expr

The parser.java uses this class to contruct the corresponding AST for XPath expression when there are two operands and one operator

Field Summary

static int	ADD
static int	AND
static int	BUF_SZ_EXP
static int	DIV
static int	EQ
protected FastIntBuffer	fib1
static int	GE
static int	GT
static int	LE
protected Expr	left
static int	LT
static int	MOD
static int	MULT
static int	NE
protected int	op
static int	OR
protected Expr	right
static int	SUB

Constructor Summary

BinaryExpr(Expr l, int o, Expr r)
constructor

Method Summary

int	adjust(int n)
void	clearCache()
boolean	evalBoolean(VTDNav vn)
int	evalNodeSet(VTDNav vn)
double	evalNumber(VTDNav vn)
String	evalString(VTDNav vn)
boolean	isBoolean()
boolean	isFinal()
boolean	isNodeSet()
boolean	isNumerical()
boolean	isString()
void	markCacheable()
void	markCacheable2()
boolean	requireContextSize()
void	reset(VTDNav vn)
void	setContextSize(int size)
void	setPosition(int pos)
String	toString()

Methods inherited from class com.ximpleware.Expr

computeDataSize

Methods inherited from class java.lang.Object

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

Field Detail

ADD

public static final int ADD

See Also:

Constant Field Values

SUB

public static final int SUB

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Constant Field Values

MULT

public static final int MULT

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Constant Field Values

DIV

public static final int DIV

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Constant Field Values

MOD

public static final int MOD

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Constant Field Values

OR

public static final int OR

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Constant Field Values

AND

public static final int AND

See Also:

Constant Field Values

EQ

public static final int EQ

See Also:

Constant Field Values

NE

public static final int NE

See Also:

Constant Field Values

LE

public static final int LE

See Also:

Constant Field Values

GE

public static final int GE

See Also:

Constant Field Values

LT

public static final int LT

See Also:

Constant Field Values

GT

public static final int GT

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Constant Field Values

BUF_SZ_EXP

public static final int BUF_SZ_EXP

See Also:

Constant Field Values

op

protected int op

left

protected Expr left

right

protected Expr right

fib1

protected FastIntBuffer fib1

Constructor Detail

BinaryExpr

public BinaryExpr(Expr l,
                  int o,
                  Expr r)

constructor

Parameters:

l -

o -

r -

Method Detail

toString

public final String toString()

Specified by:

toString in class Expr

evalBoolean

public final boolean evalBoolean(VTDNav vn)

Specified by:

evalBoolean in class Expr

evalNumber

public final double evalNumber(VTDNav vn)

Specified by:

evalNumber in class Expr

evalNodeSet

public final int evalNodeSet(VTDNav vn)
                      throws XPathEvalException

Specified by:

evalNodeSet in class Expr

Throws:

XPathEvalException

evalString

public final String evalString(VTDNav vn)

Specified by:

evalString in class Expr

reset

public final void reset(VTDNav vn)

Specified by:

reset in class Expr

isNodeSet

public final boolean isNodeSet()

Specified by:

isNodeSet in class Expr

isNumerical

public final boolean isNumerical()

Specified by:

isNumerical in class Expr

isString

public final boolean isString()

Specified by:

isString in class Expr

isBoolean

public final boolean isBoolean()

Specified by:

isBoolean in class Expr

requireContextSize

public final boolean requireContextSize()

Specified by:

requireContextSize in class Expr

setContextSize

public final void setContextSize(int size)

Specified by:

setContextSize in class Expr

setPosition

public final void setPosition(int pos)

Specified by:

setPosition in class Expr

adjust

public final int adjust(int n)

Specified by:

adjust in class Expr

isFinal

public final boolean isFinal()

Specified by:

isFinal in class Expr

markCacheable

public final void markCacheable()

Overrides:

markCacheable in class Expr

markCacheable2

public final void markCacheable2()

Overrides:

markCacheable2 in class Expr

clearCache

public final void clearCache()

Overrides:

clearCache in class Expr