com.xmlmind.xml.xpath

Class ExprParser

java.lang.Object

com.xmlmind.xml.xpath.ExprTokenizer

com.xmlmind.xml.xpath.ExprParser

public class ExprParser
extends ExprTokenizer

Creates an expression or pattern from its string representation.

Constructor Summary

Constructors

Constructor and Description
ExprParser(String expr, int offset, int length, PrefixToNamespace prefixToNS) Not part of the public, documented, API.

Method Summary

Modifier and Type	Method and Description
boolean	getAllowDefaultNS() Not part of the public, documented, API.
static SimpleFunctionTable	getSimpleFunctionTable(Namespace ns) Returns the simple function table corresponding to specified namespace, if such table has been registered with the XPath implementation; null otherwise.
static boolean	isFunctionAvailable(Name name) Returns true if a function having specified name is available; false otherwise.
BooleanExpr	parseBooleanExpr() Not part of the public, documented, API.
static BooleanExpr	parseBooleanExpr(String expr, PrefixToNamespace prefixToNS) Creates a BooleanExpr from its string representation.
NodeSetExpr	parseNodeSetExpr() Not part of the public, documented, API.
static NodeSetExpr	parseNodeSetExpr(String expr, PrefixToNamespace prefixToNS) Creates a NodeSetExpr from its string representation.
NumberExpr	parseNumberExpr() Not part of the public, documented, API.
static NumberExpr	parseNumberExpr(String expr, PrefixToNamespace prefixToNS) Creates a NumberExpr from its string representation.
static PathPattern	parsePattern(String pattern, PrefixToNamespace prefixToNS) Creates a Pattern from its string representation.
StringExpr	parseStringExpr() Not part of the public, documented, API.
static StringExpr	parseStringExpr(String expr, PrefixToNamespace prefixToNS) Creates a StringExpr from its string representation.
PathPattern	parseTopLevelPattern() Not part of the public, documented, API.
VariantExpr	parseVariantExpr() Not part of the public, documented, API.
static VariantExpr	parseVariantExpr(String expr, PrefixToNamespace prefixToNS) Creates a VariantExpr from its string representation.
void	setAllowDefaultNS(boolean allow) Not part of the public, documented, API.
static void	setSimpleFunctionTable(Namespace ns, SimpleFunctionTable table) Registers specified simple function table with the XPath implementation.

Methods inherited from class com.xmlmind.xml.xpath.ExprTokenizer

getSource, getSourceEnd, getSourceFirst, getUnescapeLiterals, setUnescapeLiterals

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprParser

public ExprParser(String expr,
                  int offset,
                  int length,
                  PrefixToNamespace prefixToNS)

Not part of the public, documented, API.

Method Detail

setSimpleFunctionTable

public static void setSimpleFunctionTable(Namespace ns,
                                          SimpleFunctionTable table)

Registers specified simple function table with the XPath implementation.

Parameters:

ns - namespace used to identify the simple function table

table - simple function table to be added or replacing previously registered table

getSimpleFunctionTable

public static SimpleFunctionTable getSimpleFunctionTable(Namespace ns)

Returns the simple function table corresponding to specified namespace, if such table has been registered with the XPath implementation; null otherwise.

See Also:

setSimpleFunctionTable(com.xmlmind.xml.name.Namespace, com.xmlmind.xml.xpath.SimpleFunctionTable)

isFunctionAvailable

public static boolean isFunctionAvailable(Name name)

Returns true if a function having specified name is available; false otherwise.

parseNodeSetExpr

public static NodeSetExpr parseNodeSetExpr(String expr,
                                           PrefixToNamespace prefixToNS)
                                    throws ParseException

Creates a NodeSetExpr from its string representation.

Parameters:

expr - string representation to be parsed

prefixToNS - used to find the Namespaces associated to the prefixes of qualified names found in the string representation

Returns:

newly created NodeSetExpr

Throws:

ParseException - if specified string representation cannot be parsed

parseStringExpr

public static StringExpr parseStringExpr(String expr,
                                         PrefixToNamespace prefixToNS)
                                  throws ParseException

Creates a StringExpr from its string representation.

Parameters:

expr - string representation to be parsed

prefixToNS - used to find the Namespaces associated to the prefixes of qualified names found in the string representation

Returns:

newly created StringExpr

Throws:

ParseException - if specified string representation cannot be parsed

parseNumberExpr

public static NumberExpr parseNumberExpr(String expr,
                                         PrefixToNamespace prefixToNS)
                                  throws ParseException

Creates a NumberExpr from its string representation.

Parameters:

expr - string representation to be parsed

prefixToNS - used to find the Namespaces associated to the prefixes of qualified names found in the string representation

Returns:

newly created NumberExpr

Throws:

ParseException - if specified string representation cannot be parsed

parseBooleanExpr

public static BooleanExpr parseBooleanExpr(String expr,
                                           PrefixToNamespace prefixToNS)
                                    throws ParseException

Creates a BooleanExpr from its string representation.

Parameters:

expr - string representation to be parsed

prefixToNS - used to find the Namespaces associated to the prefixes of qualified names found in the string representation

Returns:

newly created BooleanExpr

Throws:

ParseException - if specified string representation cannot be parsed

parseVariantExpr

public static VariantExpr parseVariantExpr(String expr,
                                           PrefixToNamespace prefixToNS)
                                    throws ParseException

Creates a VariantExpr from its string representation.

Parameters:

expr - string representation to be parsed

prefixToNS - used to find the Namespaces associated to the prefixes of qualified names found in the string representation

Returns:

newly created VariantExpr

Throws:

ParseException - if specified string representation cannot be parsed

setAllowDefaultNS

public void setAllowDefaultNS(boolean allow)

Not part of the public, documented, API.

getAllowDefaultNS

public boolean getAllowDefaultNS()

Not part of the public, documented, API.

parseNodeSetExpr

public NodeSetExpr parseNodeSetExpr()
                             throws ParseException

Not part of the public, documented, API.

Throws:

ParseException

parseStringExpr

public StringExpr parseStringExpr()
                           throws ParseException

Not part of the public, documented, API.

Throws:

ParseException

parseNumberExpr

public NumberExpr parseNumberExpr()
                           throws ParseException

Not part of the public, documented, API.

Throws:

ParseException

parseBooleanExpr

public BooleanExpr parseBooleanExpr()
                             throws ParseException

Not part of the public, documented, API.

Throws:

ParseException

parseVariantExpr

public VariantExpr parseVariantExpr()
                             throws ParseException

Not part of the public, documented, API.

Throws:

ParseException

parsePattern

public static PathPattern parsePattern(String pattern,
                                       PrefixToNamespace prefixToNS)
                                throws ParseException

Creates a Pattern from its string representation.

Parameters:

pattern - string representation to be parsed

prefixToNS - used to find the Namespaces associated to the prefixes of qualified names found in the string representation

Returns:

newly created Pattern

Throws:

ParseException - if specified string representation cannot be parsed

parseTopLevelPattern

public PathPattern parseTopLevelPattern()
                                 throws ParseException

Not part of the public, documented, API.

Throws:

ParseException