net.sf.saxon.style
Class SaxonAssign

java.lang.Object
  extended bynet.sf.saxon.tree.NodeImpl
      extended bynet.sf.saxon.tree.ParentNodeImpl
          extended bynet.sf.saxon.tree.ElementImpl
              extended bynet.sf.saxon.tree.ElementWithAttributes
                  extended bynet.sf.saxon.style.StyleElement
                      extended bynet.sf.saxon.style.XSLGeneralVariable
                          extended bynet.sf.saxon.style.SaxonAssign
All Implemented Interfaces:
Container, FingerprintedNode, InstructionInfo, Item, LocationProvider, org.xml.sax.Locator, NodeInfo, SaxonLocator, javax.xml.transform.Source, javax.xml.transform.SourceLocator, ValueRepresentation

public class SaxonAssign
extends XSLGeneralVariable

saxon:assign element in stylesheet. The saxon:assign element has mandatory attribute name and optional attribute expr. It also allows xsl:extension-element-prefixes etc.


Field Summary
 
Fields inherited from class net.sf.saxon.style.XSLGeneralVariable
assignable, constantText, global, redundant, requiredParam, requiredType, select, slotManager, tunnel
 
Fields inherited from class net.sf.saxon.style.StyleElement
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
attributeList, namespaceList
 
Fields inherited from class net.sf.saxon.tree.ElementImpl
nameCode, root, sequence
 
Fields inherited from class net.sf.saxon.tree.NodeImpl
index, NODE_LETTER, parent
 
Fields inherited from interface net.sf.saxon.om.NodeInfo
ALL_NAMESPACES, EMPTY_NAMESPACE_LIST, IS_DTD_TYPE, LOCAL_NAMESPACES, NO_NAMESPACES
 
Fields inherited from interface net.sf.saxon.om.ValueRepresentation
EMPTY_VALUE_ARRAY
 
Constructor Summary
SaxonAssign()
           
 
Method Summary
protected  boolean allowsAsAttribute()
           
 Expression compile(Executable exec)
          Compile the instruction on the stylesheet tree into an executable instruction for use at run-time.
 boolean isAssignable()
          Test whether it is permitted to assign to the variable using the saxon:assign extension element.
 boolean isInstruction()
          Determine whether this node is an instruction.
 void validate()
          Check that the stylesheet element is valid.
 
Methods inherited from class net.sf.saxon.style.XSLGeneralVariable
allowsRequired, allowsTunnelAttribute, allowsValue, checkAgainstRequiredType, getConstructType, getReturnedItemType, getVariableFingerprint, getVariableName, initializeInstruction, isGlobal, isRequiredParam, isTunnelParam, mayContainSequenceConstructor, prepareAttributes, setRedundant, setReferenceCount
 
Methods inherited from class net.sf.saxon.style.StyleElement
allocateLocationId, allocateSlots, backwardsCompatibleModeIsEnabled, bindVariable, checkEmpty, checkSortComesFirst, checkTopLevel, checkUnknownAttribute, checkWithinTemplate, compileError, compileError, compileError, compileSequenceConstructor, compileWarning, definesExcludedNamespace, definesExtensionElement, fallbackProcessing, fixupReferences, forwardsCompatibleModeIsEnabled, getAttributeSets, getAttributeValue, getCommonChildItemType, getContainingSlotManager, getContainingStylesheet, getDefaultCollationName, getDefaultXPathNamespace, getExecutable, getHostLanguage, getLastChildInstruction, getLineNumber, getLineNumber, getLocationProvider, getNamespaceResolver, getObjectFingerprint, getObjectNameCode, getPrecedence, getPreparedStylesheet, getPrincipalStylesheet, getProperties, getProperty, getSchemaType, getStaticContext, getStylesheetFunction, getSystemId, getTargetNamePool, getTypeAnnotation, getVersion, getWithParamInstructions, isExcludedNamespace, isExplaining, isExtensionNamespace, isPermittedChild, issueWarning, issueWarning, isTopLevel, makeAttributeValueTemplate, makeExpression, makeNameCode, makeNamespaceContext, makePattern, makeSequenceType, makeSortKeys, makeTraceInstruction, markTailCalls, mayContainFallback, postValidate, processAllAttributes, processAttributes, processDefaultCollationAttribute, processDefaultXPathNamespaceAttribute, processExcludedNamespaces, processExtensionElementAttribute, processVersionAttribute, reportAbsence, setLineNumber, setObjectNameCode, setValidationError, substituteFor, typeCheck, typeCheck, undeclaredNamespaceError, validateChildren, validateSubtree
 
Methods inherited from class net.sf.saxon.tree.ElementWithAttributes
copy, getAttributeList, getAttributeValue, getDeclaredNamespaces, getInScopeNamespaceCodes, getPrefixForURI, getURICodeForPrefix, getURIForPrefix, initialise, iteratePrefixes, sendNamespaceDeclarations, setNamespaceDeclarations
 
Methods inherited from class net.sf.saxon.tree.ElementImpl
addChild, compact, enumerateChildren, generateId, getBaseURI, getDocumentRoot, getFirstChild, getLastChild, getNameCode, getNodeKind, getNthChild, getRoot, getSequenceNumber, getStringValue, getStringValueCS, getSystemId, hasChildNodes, setNameCode, setSystemId, useChildrenArray
 
Methods inherited from class net.sf.saxon.tree.NodeImpl
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
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.xml.sax.Locator
getColumnNumber, getPublicId, getSystemId
 
Methods inherited from interface javax.xml.transform.SourceLocator
getColumnNumber, getPublicId, getSystemId
 
Methods inherited from interface net.sf.saxon.trace.InstructionInfo
getSystemId
 

Constructor Detail

SaxonAssign

public SaxonAssign()
Method Detail

isInstruction

public boolean isInstruction()
Determine whether this node is an instruction.

Overrides:
isInstruction in class StyleElement
Returns:
true - it is an instruction

isAssignable

public boolean isAssignable()
Description copied from class: XSLGeneralVariable
Test whether it is permitted to assign to the variable using the saxon:assign extension element. This will only be true if the extra attribute saxon:assignable="yes" is present.

Overrides:
isAssignable in class XSLGeneralVariable

allowsAsAttribute

protected boolean allowsAsAttribute()
Overrides:
allowsAsAttribute in class XSLGeneralVariable

validate

public void validate()
              throws XPathException
Description copied from class: StyleElement
Check that the stylesheet element is valid. This is called once for each element, after the entire tree has been built. As well as validation, it can perform first-time initialisation. The default implementation does nothing; it is normally overriden in subclasses.

Overrides:
validate in class XSLGeneralVariable
Throws:
XPathException

compile

public Expression compile(Executable exec)
                   throws XPathException
Description copied from class: StyleElement
Compile the instruction on the stylesheet tree into an executable instruction for use at run-time.

Specified by:
compile in class StyleElement
Returns:
either a ComputedExpression, or null. The value null is returned when compiling an instruction that returns a no-op, or when compiling a top-level object such as an xsl:template that compiles into something other than an instruction.
Throws:
XPathException