com.novell.xml.xpath
Class Token

java.lang.Object
  com.novell.xml.xpath.Token

Direct Known Subclasses:

AxisNameToken, FunctionNameToken, LiteralToken, NodeTypeToken, NumberToken, OperatorToken, VariableRefToken, WildcardNameToken

public class Token

extends Object

Basic lexical token class for breaking apart an XPath expression into tokens

See Also:

Scanner

Field Summary

static int	AT
static int	AXIS_NAME
static int	COLON_COLON
static int	COMMA
static int	DOT
static int	DOT_DOT
static int	FUNCTION_NAME
static int	LEFT_BRACKET
static int	LEFT_PAREN
static int	LITERAL
static int	MAX_TYPE
static int	NODE_TYPE
static int	NOT_A_TOKEN
static int	NUMBER
static int	OPERATOR
static int	RIGHT_BRACKET
static int	RIGHT_PAREN
static int	VARIABLE_REF
static int	WILDCARD_NAME

Constructor Summary

Token(int t)
Construct a XPath expression token with passed type

Method Summary

void	dump(PrintWriter out, int indent) Output this token as a string for debugging purposes
boolean	equals(Token rhs) Compare this token with another.
int	getType() Return token type
String	toString() Return a text representation of this Token.

Methods inherited from class java.lang.Object

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

Field Detail

NOT_A_TOKEN

public static final int NOT_A_TOKEN

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Constant Field Values

LEFT_PAREN

public static final int LEFT_PAREN

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Constant Field Values

RIGHT_PAREN

public static final int RIGHT_PAREN

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Constant Field Values

LEFT_BRACKET

public static final int LEFT_BRACKET

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Constant Field Values

RIGHT_BRACKET

public static final int RIGHT_BRACKET

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Constant Field Values

DOT

public static final int DOT

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Constant Field Values

DOT_DOT

public static final int DOT_DOT

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Constant Field Values

AT

public static final int AT

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Constant Field Values

COMMA

public static final int COMMA

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Constant Field Values

COLON_COLON

public static final int COLON_COLON

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Constant Field Values

OPERATOR

public static final int OPERATOR

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Constant Field Values

WILDCARD_NAME

public static final int WILDCARD_NAME

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Constant Field Values

NODE_TYPE

public static final int NODE_TYPE

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Constant Field Values

FUNCTION_NAME

public static final int FUNCTION_NAME

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Constant Field Values

AXIS_NAME

public static final int AXIS_NAME

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Constant Field Values

LITERAL

public static final int LITERAL

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Constant Field Values

NUMBER

public static final int NUMBER

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Constant Field Values

VARIABLE_REF

public static final int VARIABLE_REF

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Constant Field Values

MAX_TYPE

public static final int MAX_TYPE

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Constant Field Values

Constructor Detail

Token

public Token(int t)

Construct a XPath expression token with passed type

Parameters:

t - type of token

Method Detail

getType

public int getType()

Return token type

Returns:

type of token

equals

public boolean equals(Token rhs)

Compare this token with another. Derived classes are expected to override this.

Parameters:

rhs - Token to compare against

Returns:

true if rhs token matches this token, false otherwise

toString

public String toString()

Return a text representation of this Token.

Returns:

String that represents this Token

dump

public void dump(PrintWriter out,
                 int indent)

Output this token as a string for debugging purposes

Parameters:

out - PrintWriter object to write to

indent - Count of tabs ('\t') characters to output before the string representation of the Token