public class ProcessingInstruction extends SimpleNodeConstructor
select
EVALUATE_METHOD, ITERATE_METHOD, locationId, PROCESS_METHOD, staticProperties
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ProcessingInstruction(Expression name)
Create an xsl:processing-instruction instruction
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?????? | ????? |
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protected java.lang.String |
checkContent(java.lang.String data,
XPathContext context)
Check the content of the node, and adjust it if necessary
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Expression |
copy()
Copy an expression.
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int |
evaluateNameCode(XPathContext context)
Run-time method to compute the name of the node being constructed.
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void |
explain(ExpressionPresenter out)
Diagnostic print of expression structure.
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int |
getCardinality()
Determine the static cardinality of the expression.
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int |
getDependencies()
Determine which aspects of the context the expression depends on.
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int |
getInstructionNameCode()
Get the name of this instruction for diagnostic and tracing purposes
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ItemType |
getItemType(TypeHierarchy th)
Get the item type of the items returned by evaluating this instruction
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Expression |
getNameExpression()
Get the expression that defines the processing instruction name
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java.util.Iterator |
iterateSubExpressions()
Get the immediate sub-expressions of this expression.
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void |
localTypeCheck(ExpressionVisitor visitor,
ItemType contextItemType)
Method to perform type-checking specific to the kind of instruction
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TailCall |
processLeavingTail(XPathContext context)
Process this instruction, that is, produce a processing-instruction node in the
result sequence.
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protected void |
promoteInst(PromotionOffer offer)
Offer promotion for subexpressions.
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boolean |
replaceSubExpression(Expression original,
Expression replacement)
Replace one subexpression by a replacement subexpression
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Expression |
simplify(ExpressionVisitor visitor)
Simplify an expression.
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computeCardinality, computeSpecialProperties, createsNewNodes, evaluateItem, expandChildren, getSelect, iterate, optimize, setSelect, typeCheck
assembleParams, assembleTunnelParams, dynamicError, evaluateAsString, getConstructType, getImplementationMethod, getSourceLocator, isXSLT, process, promote
addToPathMap, adoptChildExpression, checkForUpdatingSubexpressions, checkPermittedContents, computeDependencies, computeStaticProperties, display, doPromotion, dynamicError, effectiveBooleanValue, evaluatePendingUpdates, explain, findParentOf, getColumnNumber, getColumnNumber, getContainer, getExecutable, getHostLanguage, getIntrinsicDependencies, getLineNumber, getLineNumber, getLocationId, getLocationProvider, getObjectName, getProperties, getProperty, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, getSystemId, hasLoopingSubexpression, implementsStaticTypeCheck, isUpdatingExpression, iterateEvents, markTailFunctionCalls, resetLocalStaticProperties, setContainer, setFiltered, setFlattened, setLocationId, staticTypeCheck, suppressValidation, toString, typeError
public ProcessingInstruction(Expression name)
name
- the expression used to compute the name of the generated
processing-instructionpublic int getInstructionNameCode()
getInstructionNameCode
??? Instruction
public Expression getNameExpression()
public ItemType getItemType(TypeHierarchy th)
Instruction
getItemType
??? Instruction
th
- the type hierarchy cachepublic int getCardinality()
Expression
getCardinality
??? Expression
public Expression simplify(ExpressionVisitor visitor) throws XPathException
Instruction
simplify
??? SimpleNodeConstructor
visitor
- an expression visitorXPathException
- if an error is discovered during expression
rewritingpublic Expression copy()
copy
??? Expression
public void localTypeCheck(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException
SimpleNodeConstructor
localTypeCheck
??? SimpleNodeConstructor
visitor
- an expression visitorcontextItemType
- the static type of the context itemXPathException
public int getDependencies()
Expression
getDependencies
??? Expression
public java.util.Iterator iterateSubExpressions()
Expression
iterateSubExpressions
??? SimpleNodeConstructor
public boolean replaceSubExpression(Expression original, Expression replacement)
replaceSubExpression
??? SimpleNodeConstructor
original
- the original subexpressionreplacement
- the replacement subexpressionprotected void promoteInst(PromotionOffer offer) throws XPathException
promoteInst
??? SimpleNodeConstructor
offer
- details of the offer, for example the offer to move
expressions that don't depend on the context to an outer level in
the containing expressionXPathException
- if any error is detectedpublic TailCall processLeavingTail(XPathContext context) throws XPathException
processLeavingTail
???? TailCallReturner
processLeavingTail
??? Instruction
context
- the dynamic context of this transformationXPathException
- if any non-recoverable dynamic error occursprotected java.lang.String checkContent(java.lang.String data, XPathContext context) throws XPathException
checkContent
??? SimpleNodeConstructor
data
- the supplied contentcontext
- the dynamic contextXPathException
- if the content is invalidpublic int evaluateNameCode(XPathContext context) throws XPathException
SimpleNodeConstructor
evaluateNameCode
??? SimpleNodeConstructor
context
- the XPath dynamic evaluation contextXPathException
- if any failure occurspublic void explain(ExpressionPresenter out)
explain
??? Expression
out
- the expression presenter used to display the structure