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java.lang.Object | +--net.sf.saxon.expr.ComputedExpression | +--net.sf.saxon.instruct.Instruction | +--net.sf.saxon.instruct.InstructionWithChildren | +--net.sf.saxon.instruct.SimpleNodeConstructor | +--net.sf.saxon.instruct.ProcessingInstruction
An xsl:processing-instruction element in the stylesheet.
Field Summary |
Fields inherited from class net.sf.saxon.instruct.SimpleNodeConstructor |
select, separator |
Fields inherited from class net.sf.saxon.instruct.InstructionWithChildren |
children |
Fields inherited from class net.sf.saxon.expr.ComputedExpression |
locationId, staticProperties |
Fields inherited from interface net.sf.saxon.expr.Expression |
EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD |
Constructor Summary | |
ProcessingInstruction(Expression name)
Create an xsl:processing-instruction instruction |
Method Summary | |
protected java.lang.String |
checkContent(java.lang.String data,
XPathContext context)
Check the content of the node, and adjust it if necessary |
void |
display(int level,
NamePool pool,
java.io.PrintStream out)
Display this instruction as an expression, for diagnostics |
protected int |
evaluateNameCode(XPathContext context)
|
int |
getCardinality()
Determine the static cardinality of the expression. |
int |
getDependencies()
Determine which aspects of the context the expression depends on. |
int |
getInstructionNameCode()
Get the name of this instruction for diagnostic and tracing purposes |
ItemType |
getItemType()
Get the item type of the items returned by evaluating this instruction |
java.util.Iterator |
iterateSubExpressions()
Get the immediate sub-expressions of this expression. |
TailCall |
processLeavingTail(XPathContext context)
Process this instruction, that is, produce a processing-instruction node in the result sequence. |
protected void |
promoteInst(PromotionOffer offer)
Offer promotion for subexpressions. |
void |
typeCheck(StaticContext env,
ItemType contextItemType)
|
Methods inherited from class net.sf.saxon.instruct.SimpleNodeConstructor |
analyze, evaluateItem, expandChildren, iterate, setSelect, setSeparator, simplify |
Methods inherited from class net.sf.saxon.instruct.InstructionWithChildren |
displayChildren, getChildren, processChildren, processChildrenLeavingTail, setChildren |
Methods inherited from class net.sf.saxon.instruct.Instruction |
appendItem, assembleParams, assembleTunnelParams, computeCardinality, computeSpecialProperties, dynamicError, dynamicError, effectiveBooleanValue, evaluateAsString, getImplementationMethod, getInstructionInfo, getSourceLocator, process, promote |
Methods inherited from class net.sf.saxon.expr.ComputedExpression |
adoptChildExpression, computeDependencies, computeStaticProperties, dynamicError, dynamicError, getColumnNumber, getConstructType, getExecutable, getIntrinsicDependencies, getLineNumber, getLocationId, getParentExpression, getPublicId, getSpecialProperties, getSystemId, markTailFunctionCalls, resetStaticProperties, setLocationId, setParentExpression, typeError |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface javax.xml.transform.SourceLocator |
getColumnNumber, getLineNumber, getPublicId, getSystemId |
Constructor Detail |
public ProcessingInstruction(Expression name)
name
- the expression used to compute the name of the generated
processing-instructionMethod Detail |
public int getInstructionNameCode()
getInstructionNameCode
in class Instruction
public ItemType getItemType()
Instruction
getItemType
in interface Expression
getItemType
in class Instruction
public int getCardinality()
ComputedExpression
getCardinality
in interface Expression
getCardinality
in class ComputedExpression
public void typeCheck(StaticContext env, ItemType contextItemType) throws XPathException
typeCheck
in class SimpleNodeConstructor
XPathException
public int getDependencies()
ComputedExpression
getDependencies
in interface Expression
getDependencies
in class ComputedExpression
public java.util.Iterator iterateSubExpressions()
InstructionWithChildren
iterateSubExpressions
in interface Expression
iterateSubExpressions
in class SimpleNodeConstructor
protected void promoteInst(PromotionOffer offer) throws XPathException
promoteInst
in class 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 expression
XPathException
- if any error is detectedpublic TailCall processLeavingTail(XPathContext context) throws XPathException
processLeavingTail
in class Instruction
context
- the dynamic context of this transformation
XPathException
- if any non-recoverable dynamic error occursprotected java.lang.String checkContent(java.lang.String data, XPathContext context) throws DynamicError
checkContent
in class SimpleNodeConstructor
data
- the supplied contentcontext
- the dynamic context
DynamicError
- if the content is invalidprotected int evaluateNameCode(XPathContext context) throws XPathException
evaluateNameCode
in class SimpleNodeConstructor
XPathException
public void display(int level, NamePool pool, java.io.PrintStream out)
SimpleNodeConstructor
display
in interface Expression
display
in class SimpleNodeConstructor
level
- indentation level for this expressionpool
- NamePool used to expand any names appearing in the expressionout
- Output destination
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