java.lang.Object
- org.apache.xpath.compiler.FunctionTable

public class FunctionTable
extends java.lang.Object

The function table for XPath.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`FUNC_BOOLEAN`	The 'boolean()' id.
`static int`	`FUNC_CEILING`	The 'ceiling()' id.
`static int`	`FUNC_CONCAT`	The 'concat()' id.
`static int`	`FUNC_CONTAINS`	The 'contains()' id.
`static int`	`FUNC_COUNT`	The 'count()' id.
`static int`	`FUNC_CURRENT`	The 'current()' id.
`static int`	`FUNC_DOCLOCATION`	The 'document-location()' id (Proprietary).
`static int`	`FUNC_EXT_ELEM_AVAILABLE`	The 'element-available()' id (XSLT).
`static int`	`FUNC_EXT_FUNCTION_AVAILABLE`	The 'function-available()' id (XSLT).
`static int`	`FUNC_FALSE`	The 'false()' id.
`static int`	`FUNC_FLOOR`	The 'floor()' id.
`static int`	`FUNC_GENERATE_ID`	The 'generate-id()' id.
`static int`	`FUNC_ID`	The 'id()' id.
`static int`	`FUNC_KEY`	The 'key()' id (XSLT).
`static int`	`FUNC_LANG`	The 'lang()' id.
`static int`	`FUNC_LAST`	The 'last()' id.
`static int`	`FUNC_LOCAL_PART`	The 'local-name()' id.
`static int`	`FUNC_NAMESPACE`	The 'namespace-uri()' id.
`static int`	`FUNC_NORMALIZE_SPACE`	The 'normalize-space()' id.
`static int`	`FUNC_NOT`	The 'not()' id.
`static int`	`FUNC_NUMBER`	The 'number()' id.
`static int`	`FUNC_POSITION`	The 'position()' id.
`static int`	`FUNC_QNAME`	The 'name()' id.
`static int`	`FUNC_ROUND`	The 'round()' id.
`static int`	`FUNC_STARTS_WITH`	The 'starts-with()' id.
`static int`	`FUNC_STRING`	The 'string()' id.
`static int`	`FUNC_STRING_LENGTH`	The 'string-length()' id.
`static int`	`FUNC_SUBSTRING`	The 'substring()' id.
`static int`	`FUNC_SUBSTRING_AFTER`	The 'substring-after()' id.
`static int`	`FUNC_SUBSTRING_BEFORE`	The 'substring-before()' id.
`static int`	`FUNC_SUM`	The 'sum()' id.
`static int`	`FUNC_SYSTEM_PROPERTY`	The 'system-property()' id.
`static int`	`FUNC_TRANSLATE`	The 'translate()' id.
`static int`	`FUNC_TRUE`	The 'true()' id.
`static int`	`FUNC_UNPARSED_ENTITY_URI`	The 'unparsed-entity-uri()' id (XSLT).

Constructor Summary

Constructors
Constructor Description

FunctionTable()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`functionAvailable(java.lang.String methName)`	Tell if a built-in, non-namespaced function is available.
`int`	`installFunction(java.lang.String name, java.lang.Class func)`	Install a built-in function.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - FUNC_CURRENT
```
public static final int FUNC_CURRENT
```
    The 'current()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_LAST
```
public static final int FUNC_LAST
```
    The 'last()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_POSITION
```
public static final int FUNC_POSITION
```
    The 'position()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_COUNT
```
public static final int FUNC_COUNT
```
    The 'count()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_ID
```
public static final int FUNC_ID
```
    The 'id()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_KEY
```
public static final int FUNC_KEY
```
    The 'key()' id (XSLT).
    
    See Also:
    
    Constant Field Values
  - FUNC_LOCAL_PART
```
public static final int FUNC_LOCAL_PART
```
    The 'local-name()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_NAMESPACE
```
public static final int FUNC_NAMESPACE
```
    The 'namespace-uri()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_QNAME
```
public static final int FUNC_QNAME
```
    The 'name()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_GENERATE_ID
```
public static final int FUNC_GENERATE_ID
```
    The 'generate-id()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_NOT
```
public static final int FUNC_NOT
```
    The 'not()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_TRUE
```
public static final int FUNC_TRUE
```
    The 'true()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_FALSE
```
public static final int FUNC_FALSE
```
    The 'false()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_BOOLEAN
```
public static final int FUNC_BOOLEAN
```
    The 'boolean()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_NUMBER
```
public static final int FUNC_NUMBER
```
    The 'number()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_FLOOR
```
public static final int FUNC_FLOOR
```
    The 'floor()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_CEILING
```
public static final int FUNC_CEILING
```
    The 'ceiling()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_ROUND
```
public static final int FUNC_ROUND
```
    The 'round()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_SUM
```
public static final int FUNC_SUM
```
    The 'sum()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_STRING
```
public static final int FUNC_STRING
```
    The 'string()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_STARTS_WITH
```
public static final int FUNC_STARTS_WITH
```
    The 'starts-with()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_CONTAINS
```
public static final int FUNC_CONTAINS
```
    The 'contains()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_SUBSTRING_BEFORE
```
public static final int FUNC_SUBSTRING_BEFORE
```
    The 'substring-before()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_SUBSTRING_AFTER
```
public static final int FUNC_SUBSTRING_AFTER
```
    The 'substring-after()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_NORMALIZE_SPACE
```
public static final int FUNC_NORMALIZE_SPACE
```
    The 'normalize-space()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_TRANSLATE
```
public static final int FUNC_TRANSLATE
```
    The 'translate()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_CONCAT
```
public static final int FUNC_CONCAT
```
    The 'concat()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_SUBSTRING
```
public static final int FUNC_SUBSTRING
```
    The 'substring()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_STRING_LENGTH
```
public static final int FUNC_STRING_LENGTH
```
    The 'string-length()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_SYSTEM_PROPERTY
```
public static final int FUNC_SYSTEM_PROPERTY
```
    The 'system-property()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_LANG
```
public static final int FUNC_LANG
```
    The 'lang()' id.
    
    See Also:
    
    Constant Field Values
  - FUNC_EXT_FUNCTION_AVAILABLE
```
public static final int FUNC_EXT_FUNCTION_AVAILABLE
```
    The 'function-available()' id (XSLT).
    
    See Also:
    
    Constant Field Values
  - FUNC_EXT_ELEM_AVAILABLE
```
public static final int FUNC_EXT_ELEM_AVAILABLE
```
    The 'element-available()' id (XSLT).
    
    See Also:
    
    Constant Field Values
  - FUNC_UNPARSED_ENTITY_URI
```
public static final int FUNC_UNPARSED_ENTITY_URI
```
    The 'unparsed-entity-uri()' id (XSLT).
    
    See Also:
    
    Constant Field Values
  - FUNC_DOCLOCATION
```
public static final int FUNC_DOCLOCATION
```
    The 'document-location()' id (Proprietary).
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - FunctionTable
```
public FunctionTable()
```
- Method Detail
  - installFunction
```
public int installFunction(java.lang.String name,
                           java.lang.Class func)
```
    Install a built-in function.
    
    Parameters:
    
    name - The unqualified name of the function, must not be null
    
    func - A Implementation of an XPath Function object.
    
    Returns:
    
    the position of the function in the internal index.
  - functionAvailable
```
public boolean functionAvailable(java.lang.String methName)
```
    Tell if a built-in, non-namespaced function is available.
    
    Parameters:
    
    methName - The local name of the function.
    
    Returns:
    
    True if the function can be executed.

Class FunctionTable

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

FUNC_CURRENT

FUNC_LAST

FUNC_POSITION

FUNC_COUNT

FUNC_ID

FUNC_KEY

FUNC_LOCAL_PART

FUNC_NAMESPACE

FUNC_QNAME

FUNC_GENERATE_ID

FUNC_NOT

FUNC_TRUE

FUNC_FALSE

FUNC_BOOLEAN

FUNC_NUMBER

FUNC_FLOOR

FUNC_CEILING

FUNC_ROUND

FUNC_SUM

FUNC_STRING

FUNC_STARTS_WITH

FUNC_CONTAINS

FUNC_SUBSTRING_BEFORE

FUNC_SUBSTRING_AFTER

FUNC_NORMALIZE_SPACE

FUNC_TRANSLATE

FUNC_CONCAT

FUNC_SUBSTRING

FUNC_STRING_LENGTH

FUNC_SYSTEM_PROPERTY

FUNC_LANG

FUNC_EXT_FUNCTION_AVAILABLE

FUNC_EXT_ELEM_AVAILABLE

FUNC_UNPARSED_ENTITY_URI

FUNC_DOCLOCATION

Constructor Detail

FunctionTable

Method Detail

installFunction

functionAvailable