org.apache.xerces.impl.xpath

Class XPath20Parser

java.lang.Object

org.apache.xerces.impl.xpath.XPath20Parser

public class XPath20Parser
extends Object

Lexical analyzer and parser for test XPath expressions. This parser implementation constructs a syntax tree for valid test XPath expressions which can be later evaluated. (Parser generated using JavaCC)

Version:

$Id$

Author:

Hiranya Jayathilaka, University of Moratuwa

Field Summary

Fields

Modifier and Type	Field and Description
static int	CLOSE_PARAN
static int	DEFAULT Lexical state.
static int	DIGITS
static int	EOF
static int	ESCAPE_APOS
static int	ESCAPE_QUOTE
protected NamespaceContext	fNsContext
static int	KEYWORD_AND
static int	KEYWORD_AS
static int	KEYWORD_CAST
static int	KEYWORD_OR
static int	NCNAME
static int	NCNAME_CHAR
static int	NCNAME_START_CHAR
Token	nextToken Next token.
static int	NUMERIC_LITERAL
static int	OPEN_PARAN
static int	STRING_LITERAL
static int	SYMBOL_AT
static int	SYMBOL_COLON
static int	SYMBOL_EQ
static int	SYMBOL_GE
static int	SYMBOL_GT
static int	SYMBOL_LE
static int	SYMBOL_LT
static int	SYMBOL_NE
static int	SYMBOL_QUESTION
Token	token Current token.
XPath20ParserTokenManager	tokenSource Generated Token Manager.

Constructor Summary

Constructors

Constructor and Description
XPath20Parser(Reader stream, NamespaceContext nsContext) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.xerces.impl.xpath.XPathSyntaxTreeNode	parseExpression()

Methods inherited from class java.lang.Object

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

Field Detail

EOF

public static final int EOF

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Constant Field Values

KEYWORD_AND

public static final int KEYWORD_AND

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Constant Field Values

KEYWORD_OR

public static final int KEYWORD_OR

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Constant Field Values

KEYWORD_CAST

public static final int KEYWORD_CAST

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Constant Field Values

KEYWORD_AS

public static final int KEYWORD_AS

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Constant Field Values

SYMBOL_COLON

public static final int SYMBOL_COLON

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Constant Field Values

SYMBOL_AT

public static final int SYMBOL_AT

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Constant Field Values

SYMBOL_QUESTION

public static final int SYMBOL_QUESTION

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Constant Field Values

OPEN_PARAN

public static final int OPEN_PARAN

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Constant Field Values

CLOSE_PARAN

public static final int CLOSE_PARAN

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Constant Field Values

SYMBOL_EQ

public static final int SYMBOL_EQ

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Constant Field Values

SYMBOL_NE

public static final int SYMBOL_NE

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Constant Field Values

SYMBOL_LT

public static final int SYMBOL_LT

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Constant Field Values

SYMBOL_GT

public static final int SYMBOL_GT

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Constant Field Values

SYMBOL_LE

public static final int SYMBOL_LE

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Constant Field Values

SYMBOL_GE

public static final int SYMBOL_GE

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Constant Field Values

NUMERIC_LITERAL

public static final int NUMERIC_LITERAL

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Constant Field Values

DIGITS

public static final int DIGITS

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Constant Field Values

NCNAME

public static final int NCNAME

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Constant Field Values

NCNAME_START_CHAR

public static final int NCNAME_START_CHAR

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Constant Field Values

NCNAME_CHAR

public static final int NCNAME_CHAR

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Constant Field Values

ESCAPE_QUOTE

public static final int ESCAPE_QUOTE

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Constant Field Values

ESCAPE_APOS

public static final int ESCAPE_APOS

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Constant Field Values

STRING_LITERAL

public static final int STRING_LITERAL

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Constant Field Values

DEFAULT

public static final int DEFAULT

Lexical state.

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Constant Field Values

fNsContext

protected final NamespaceContext fNsContext

tokenSource

public XPath20ParserTokenManager tokenSource

Generated Token Manager.

token

public Token token

Current token.

nextToken

public Token nextToken

Next token.

Constructor Detail

XPath20Parser

public XPath20Parser(Reader stream,
             NamespaceContext nsContext)

Constructor.

Method Detail

parseExpression

public org.apache.xerces.impl.xpath.XPathSyntaxTreeNode parseExpression()
                                                                 throws XPathException

Throws:

XPathException