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java.lang.Objectnet.sf.saxon.tree.NodeImpl
net.sf.saxon.tree.ElementImpl
net.sf.saxon.tree.ElementWithAttributes
net.sf.saxon.style.StyleElement
net.sf.saxon.style.XSLFunction
public class XSLFunction
Handler for xsl:function elements in stylesheet (XSLT 2.0).
Attributes:
name gives the name of the function
saxon:memo-function=yes|no indicates whether it acts as a memo function.
Field Summary | |
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protected int |
sequence
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Fields inherited from class net.sf.saxon.style.StyleElement |
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defaultCollationName, defaultXPathNamespace, extensionNamespaces, REPORT_ALWAYS, REPORT_IF_INSTANTIATED, REPORT_UNLESS_FALLBACK_AVAILABLE, REPORT_UNLESS_FORWARDS_COMPATIBLE, reportingCircumstances, staticContext, validationError, version |
Fields inherited from class net.sf.saxon.tree.ElementWithAttributes |
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attributeList, namespaceList |
Fields inherited from class net.sf.saxon.tree.ElementImpl |
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nameCode, root |
Fields inherited from class net.sf.saxon.tree.NodeImpl |
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index, NODE_LETTER, parent |
Fields inherited from interface net.sf.saxon.om.NodeInfo |
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ALL_NAMESPACES, EMPTY_NAMESPACE_LIST, IS_DTD_TYPE, IS_NILLED, LOCAL_NAMESPACES, NO_NAMESPACES |
Fields inherited from interface net.sf.saxon.om.ValueRepresentation |
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EMPTY_VALUE_ARRAY |
Constructor Summary | |
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XSLFunction()
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Method Summary | |
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void |
addChild(NodeImpl node,
int index)
Add a child node to this node. |
void |
compact(int size)
Compact the space used by this node |
Expression |
compile(Executable exec)
Compile the function definition to create an executable representation |
protected AxisIterator |
enumerateChildren(NodeTest test)
Get an enumeration of the children of this node |
void |
fixupReferences()
Notify all references to this function of the data type. |
UserFunction |
getCompiledFunction()
Get the compiled function |
int |
getConstructType()
Get the type of construct. |
NodeInfo |
getFirstChild()
Get the first child node of the element |
NodeInfo |
getLastChild()
Get the last child node of the element |
protected NodeImpl |
getNthChild(int n)
Get the nth child node of the element (numbering from 0) |
int |
getNumberOfArguments()
Get the number of arguments declared by this function (that is, its arity). |
StructuredQName |
getObjectName()
Get a name identifying the object of the expression, for example a function name, template name, variable name, key name, element name, etc. |
SequenceType |
getResultType()
Get the type of value returned by this function |
protected long |
getSequenceNumber()
Get the node sequence number (in document order). |
SlotManager |
getSlotManager()
Get associated Procedure (for details of stack frame). |
java.lang.String |
getStringValue()
Return the string-value of the node, that is, the concatenation of the character content of all descendent elements and text nodes. |
java.lang.CharSequence |
getStringValueCS()
Get the value of the item as a CharSequence. |
boolean |
hasChildNodes()
Determine if the node has any children. |
boolean |
isOverriding()
Is override="yes"?. |
protected boolean |
isPermittedChild(StyleElement child)
Specify that xsl:param is a permitted child |
boolean |
mayContainSequenceConstructor()
Determine whether this type of element is allowed to contain a template-body. |
void |
prepareAttributes()
Set the attribute list for the element. |
void |
registerReference(UserFunctionCall ref)
Method called by UserFunctionCall to register the function call for subsequent fixup. |
void |
setParameterDefinitions(UserFunction fn)
Set the definitions of the parameters in the compiled function, as an array. |
protected void |
useChildrenArray(NodeImpl[] array)
Supply an array to be used for the array of children. |
void |
validate()
Check that the stylesheet element is valid. |
Methods inherited from class net.sf.saxon.tree.ElementWithAttributes |
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copy, getAttributeList, getAttributeValue, getDeclaredNamespaces, getInScopeNamespaceCodes, getPrefixForURI, getURICodeForPrefix, getURIForPrefix, initialise, iteratePrefixes, setNamespaceDeclarations |
Methods inherited from class net.sf.saxon.tree.ElementImpl |
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generateId, getBaseURI, getDocumentRoot, getNameCode, getNodeKind, getRoot, getSystemId, setNameCode, setSystemId |
Methods inherited from class net.sf.saxon.tree.NodeImpl |
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atomize, compareOrder, equals, getColumnNumber, getConfiguration, getDisplayName, getDocumentNumber, getFingerprint, getLocalPart, getNamePool, getNextInDocument, getNextSibling, getParent, getPrefix, getPreviousInDocument, getPreviousSibling, getPublicId, getTypeAnnotation, getTypedValue, getURI, hashCode, isSameNodeInfo, iterateAxis, iterateAxis |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface net.sf.saxon.trace.InstructionInfo |
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getSystemId |
Methods inherited from interface org.xml.sax.Locator |
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getColumnNumber, getPublicId |
Methods inherited from interface javax.xml.transform.SourceLocator |
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getColumnNumber, getPublicId |
Field Detail |
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protected int sequence
Constructor Detail |
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public XSLFunction()
Method Detail |
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public void registerReference(UserFunctionCall ref)
ref
- the UserFunctionCall to be registeredpublic void prepareAttributes() throws XPathException
StyleElement
prepareAttributes
in class StyleElement
XPathException
public StructuredQName getObjectName()
getObjectName
in class StyleElement
public boolean mayContainSequenceConstructor()
mayContainSequenceConstructor
in class StyleElement
protected boolean isPermittedChild(StyleElement child)
isPermittedChild
in class StyleElement
child
- the child that may or may not be permitted
public boolean isOverriding()
public void fixupReferences() throws XPathException
fixupReferences
in class StyleElement
XPathException
public void validate() throws XPathException
StyleElement
validate
in class StyleElement
XPathException
public Expression compile(Executable exec) throws XPathException
compile
in class StyleElement
exec
- the Executable
XPathException
public SlotManager getSlotManager()
getSlotManager
in interface StylesheetProcedure
public SequenceType getResultType()
public int getNumberOfArguments()
public void setParameterDefinitions(UserFunction fn)
fn
- the compiled object representing the user-written functionpublic UserFunction getCompiledFunction()
public int getConstructType()
Location
. This method is part of the
InstructionInfo
interface
getConstructType
in interface InstructionInfo
getConstructType
in class StyleElement
protected final long getSequenceNumber()
getSequenceNumber
in class NodeImpl
public final boolean hasChildNodes()
hasChildNodes
in interface NodeInfo
hasChildNodes
in class NodeImpl
true
if the node has any children,
false
if the node has no children.protected final AxisIterator enumerateChildren(NodeTest test)
test
- A NodeTest to be satisfied by the child nodes, or null
if all child node are to be returned
public final NodeInfo getFirstChild()
getFirstChild
in class NodeImpl
public final NodeInfo getLastChild()
getLastChild
in class NodeImpl
protected final NodeImpl getNthChild(int n)
n
- identifies the required child
public java.lang.String getStringValue()
Item.getStringValueCS()
public java.lang.CharSequence getStringValueCS()
NodeImpl
getStringValueCS
in interface Item
getStringValueCS
in interface ValueRepresentation
getStringValueCS
in class NodeImpl
Item.getStringValue()
protected void useChildrenArray(NodeImpl[] array)
array
- the array to be usedpublic void addChild(NodeImpl node, int index)
node
- the node to be added as a child of this nodeindex
- the position where the child is to be addedpublic void compact(int size)
size
- the number of actual children
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