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java.lang.Objectnet.sf.saxon.tree.linked.NodeImpl
net.sf.saxon.tree.linked.ParentNodeImpl
net.sf.saxon.tree.linked.ElementImpl
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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(package private) List |
references
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Fields inherited from class net.sf.saxon.tree.linked.NodeImpl |
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NODE_LETTER |
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 |
Constructor Summary | |
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XSLFunction()
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Method Summary | |
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Expression |
compile(Executable exec,
Declaration decl)
Compile the function definition to create an executable representation |
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. |
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 |
SlotManager |
getSlotManager()
Get associated Procedure (for details of stack frame). |
protected void |
index(Declaration decl,
PrincipalStylesheetModule top)
Method supplied by declaration elements to add themselves to a stylesheet-level index |
boolean |
isDeclaration()
Ask whether this node is a declaration, that is, a permitted child of xsl:stylesheet (including xsl:include and xsl:import). |
boolean |
isOverriding()
Is override="yes"?. |
protected boolean |
isPermittedChild(StyleElement child)
Specify that xsl:param is a permitted child |
protected boolean |
mayContainParam(String attName)
Determine whether this type of element is allowed to contain an xsl:param element |
boolean |
mayContainSequenceConstructor()
Determine whether this type of element is allowed to contain a template-body. |
void |
optimize(Declaration declaration)
Optimize the stylesheet construct |
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. |
void |
typeCheckBody()
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void |
validate(Declaration decl)
Check that the stylesheet element is valid. |
Methods inherited from class net.sf.saxon.tree.linked.ParentNodeImpl |
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addChild, compact, enumerateChildren, getFirstChild, getLastChild, getNthChild, getNumberOfChildren, getRawSequenceNumber, getSequenceNumber, getStringValue, getStringValueCS, hasChildNodes, insertChildren, insertChildrenAt, removeChild, replaceChildrenAt, setChildren, setRawSequenceNumber |
Methods inherited from class net.sf.saxon.tree.linked.NodeImpl |
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atomize, compareOrder, equals, getConfiguration, getDisplayName, getDocumentNumber, getFingerprint, getLocalPart, getNamePool, getNextInDocument, getNextSibling, getParent, getPhysicalRoot, getPrefix, getPreviousInDocument, getPreviousSibling, getPublicId, getRawParent, getSiblingPosition, getTypedValue, getURI, insertSiblings, isDeleted, isIdref, isSameNodeInfo, iterateAxis, iterateAxis, newBuilder, replace, setRawParent, setSiblingPosition |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface net.sf.saxon.trace.InstructionInfo |
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getLineNumber, 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 |
Methods inherited from interface net.sf.saxon.om.NodeInfo |
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hashCode |
Field Detail |
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List references
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 boolean isDeclaration()
isDeclaration
in class StyleElement
public void prepareAttributes() throws XPathException
StyleElement
prepareAttributes
in class StyleElement
XPathException
public StructuredQName getObjectName()
getObjectName
in interface InstructionInfo
getObjectName
in class StyleElement
public boolean mayContainSequenceConstructor()
mayContainSequenceConstructor
in class StyleElement
protected boolean mayContainParam(String attName)
StyleElement
mayContainParam
in class StyleElement
attName
- if null, the method tests whether an xsl:param child is allowed.
If non-null, it tests whether an xsl:param child with the given attribute name is allowed
protected boolean isPermittedChild(StyleElement child)
isPermittedChild
in class StyleElement
child
- the child that may or may not be permitted
public boolean isOverriding()
protected void index(Declaration decl, PrincipalStylesheetModule top) throws XPathException
StyleElement
index
in class StyleElement
decl
- the Declaration being indexed. (This corresponds to the StyleElement object
except in cases where one module is imported several times with different precedence.)top
- the outermost XSLStylesheet element
XPathException
public void fixupReferences() throws XPathException
fixupReferences
in class StyleElement
XPathException
public void validate(Declaration decl) throws XPathException
StyleElement
validate
in class StyleElement
XPathException
public Expression compile(Executable exec, Declaration decl) throws XPathException
compile
in class StyleElement
exec
- the Executabledecl
- the containing top-level declaration, for example xsl:function or xsl:template
XPathException
public void typeCheckBody() throws XPathException
XPathException
public void optimize(Declaration declaration) throws XPathException
StylesheetProcedure
optimize
in interface StylesheetProcedure
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
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