com.tailf.conf

Interface Compiler

All Known Implementing Classes:

XPathAbrevCompiler

public interface Compiler

Field Summary

Fields

Modifier and Type	Field and Description
static int	AXIS_ANCESTOR
static int	AXIS_ANCESTOR_OR_SELF
static int	AXIS_ATTRIBUTE
static int	AXIS_CHILD
static int	AXIS_DESCENDANT
static int	AXIS_DESCENDANT_OR_SELF
static int	AXIS_FOLLOWING
static int	AXIS_FOLLOWING_SIBLING
static int	AXIS_NAMESPACE
static int	AXIS_PARENT
static int	AXIS_PRECEDING
static int	AXIS_PRECEDING_SIBLING
static int	AXIS_SELF
static int	FUNCTION_CURRENT
static int	NODE_TYPE_COMMENT
static int	NODE_TYPE_NODE
static int	NODE_TYPE_PI
static int	NODE_TYPE_TEXT

Method Summary

Methods

Modifier and Type	Method and Description
Object	equal(Object left, Object right) Produces an EXPRESSION object representing the comparison: left equals to right
Object	expressionPath(Object expression, Object[] predicates, Object[] steps) Produces an EXPRESSION object representing a filter expression
Object	function(int code, Object[] args) Produces an EXPRESSION object representing the computation of a core function with the supplied arguments.
Object	function(Object name, Object[] args) Produces an EXPRESSION object representing the computation of a library function with the supplied arguments.
ConfObject[]	getKP()
Object	literal(String value) Produces an EXPRESSION object that represents a string constant.
Object	locationPath(boolean absolute, Object[] steps) Produces an EXPRESSION object representing a location path
Object	nodeNameTest(Object qname) Produces a NODE_TEST object that represents a node name test.
Object	nodeTypeTest(int nodeType) Produces a NODE_TEST object that represents a node type test.
Object	number(String value) Produces an EXPRESSION object that represents a numeric constant.
Object	qname(String prefix, String name) Produces an QNAME that represents a name with an optional prefix.
Object	step(int axis, Object nodeTest, Object[] predicates) Produces a STEP object that represents a node test.

Field Detail

AXIS_ANCESTOR

static final int AXIS_ANCESTOR

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Constant Field Values

AXIS_ANCESTOR_OR_SELF

static final int AXIS_ANCESTOR_OR_SELF

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Constant Field Values

AXIS_ATTRIBUTE

static final int AXIS_ATTRIBUTE

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Constant Field Values

AXIS_CHILD

static final int AXIS_CHILD

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Constant Field Values

AXIS_DESCENDANT

static final int AXIS_DESCENDANT

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Constant Field Values

AXIS_DESCENDANT_OR_SELF

static final int AXIS_DESCENDANT_OR_SELF

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Constant Field Values

AXIS_FOLLOWING

static final int AXIS_FOLLOWING

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Constant Field Values

AXIS_FOLLOWING_SIBLING

static final int AXIS_FOLLOWING_SIBLING

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Constant Field Values

AXIS_NAMESPACE

static final int AXIS_NAMESPACE

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Constant Field Values

AXIS_PARENT

static final int AXIS_PARENT

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Constant Field Values

AXIS_PRECEDING

static final int AXIS_PRECEDING

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Constant Field Values

AXIS_PRECEDING_SIBLING

static final int AXIS_PRECEDING_SIBLING

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Constant Field Values

AXIS_SELF

static final int AXIS_SELF

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Constant Field Values

FUNCTION_CURRENT

static final int FUNCTION_CURRENT

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Constant Field Values

NODE_TYPE_COMMENT

static final int NODE_TYPE_COMMENT

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Constant Field Values

NODE_TYPE_NODE

static final int NODE_TYPE_NODE

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Constant Field Values

NODE_TYPE_PI

static final int NODE_TYPE_PI

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Constant Field Values

NODE_TYPE_TEXT

static final int NODE_TYPE_TEXT

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Constant Field Values

Method Detail

equal

Object equal(Object left,
           Object right)
             throws ConfException

Produces an EXPRESSION object representing the comparison: left equals to right

Parameters:

left - is an EXPRESSION object

right - is an EXPRESSION object

Returns:

Object

Throws:

ConfException

expressionPath

Object expressionPath(Object expression,
                    Object[] predicates,
                    Object[] steps)

Produces an EXPRESSION object representing a filter expression

Parameters:

expression - is an EXPRESSION object

predicates - are EXPRESSION objects

steps - are STEP objects

Returns:

Object

function

Object function(int code,
              Object[] args)

Produces an EXPRESSION object representing the computation of a core function with the supplied arguments.

Parameters:

code - is one of FUNCTION_... constants

args - are EXPRESSION objects

Returns:

Object

function

Object function(Object name,
              Object[] args)

Produces an EXPRESSION object representing the computation of a library function with the supplied arguments.

Parameters:

name - is a QNAME object (function name)

args - are EXPRESSION objects

Returns:

Object

getKP

ConfObject[] getKP()

literal

Object literal(String value)

Produces an EXPRESSION object that represents a string constant.

Parameters:

value - String literal

Returns:

Object

locationPath

Object locationPath(boolean absolute,
                  Object[] steps)

Produces an EXPRESSION object representing a location path

Parameters:

absolute - indicates whether the path is absolute

steps - are STEP objects

Returns:

Object

nodeNameTest

Object nodeNameTest(Object qname)

Produces a NODE_TEST object that represents a node name test.

Parameters:

qname - is a QNAME object

Returns:

Object

nodeTypeTest

Object nodeTypeTest(int nodeType)

Produces a NODE_TEST object that represents a node type test.

Parameters:

nodeType - is a NODE_TEST object

Returns:

Object

number

Object number(String value)

Produces an EXPRESSION object that represents a numeric constant.

Parameters:

value - numeric String

Returns:

Object

qname

Object qname(String prefix,
           String name)
             throws ConfException

Produces an QNAME that represents a name with an optional prefix.

Parameters:

prefix - String prefix

name - String name

Returns:

Object

Throws:

ConfException

step

Object step(int axis,
          Object nodeTest,
          Object[] predicates)

Produces a STEP object that represents a node test.

Parameters:

axis - is one of the AXIS_... constants

nodeTest - is a NODE_TEST object

predicates - are EXPRESSION objects

Returns:

Object