public class ProcessingInstruction extends SimpleNodeConstructor
selectOp
EFFECTIVE_BOOLEAN_VALUE, EVALUATE_METHOD, ITEM_FEED_METHOD, ITERATE_METHOD, MAX_SEQUENCE_LENGTH, MAX_STRING_LENGTH, PROCESS_METHOD, staticProperties, UNBOUNDED_LOWER, UNBOUNDED_UPPER, UPDATE_METHOD, WATCH_METHOD
Constructor and Description |
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ProcessingInstruction(Expression name)
Create an xsl:processing-instruction instruction
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Modifier and Type | Method and Description |
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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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static java.lang.String |
checkContentXQuery(java.lang.String data)
Check the content of the node, and adjust it if necessary, using the XQuery rules
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static java.lang.String |
checkContentXSLT(java.lang.String data)
Check the content of the node, and adjust it if necessary, using the XSLT rules
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Expression |
copy(RebindingMap rebindings)
Copy an expression.
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NodeName |
evaluateNodeName(XPathContext context)
Run-time method to compute the name of the node being constructed.
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void |
export(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()
Get the item type of the items returned by evaluating this instruction
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Expression |
getNameExp() |
void |
localTypeCheck(ExpressionVisitor visitor,
ContextItemStaticInfo contextItemType)
Method to perform type-checking specific to the kind of instruction
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java.lang.Iterable<Operand> |
operands()
Get the immediate sub-expressions of this expression, with information about the relationship
of each expression to its parent expression.
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void |
processValue(java.lang.CharSequence value,
XPathContext context)
Process the value of the node, to create the new node.
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void |
setNameExp(Expression nameExp) |
allowExtractingCommonSubexpressions, alwaysCreatesNewNodes, computeCardinality, computeSpecialProperties, evaluateItem, getSelect, getStreamerName, isLocal, iterate, mayCreateNewNodes, optimize, processLeavingTail, setSelect, typeCheck
assembleParams, assembleTunnelParams, dynamicError, evaluateAsString, getConstructType, getExpressionName, getImplementationMethod, getInstructionName, getNetCost, getSourceLocator, isInstruction, isXSLT, process, someOperandCreatesNewNodes
addToPathMap, adoptChildExpression, checkedOperands, checkForUpdatingSubexpressions, checkPermittedContents, computeDependencies, computeHashCode, computeStaticProperties, dynamicError, effectiveBooleanValue, evaluatePendingUpdates, explain, getConfiguration, getCost, getEvaluationMethod, getExtraProperty, getIntegerBounds, getInterpretedExpression, getIntrinsicDependencies, getLocalRetainedStaticContext, getLocation, getObjectName, getPackageData, getParentExpression, getProperties, getProperty, getRetainedStaticContext, getScopingExpression, getSlotsUsed, getSpecialProperties, getStaticBaseURI, getStaticBaseURIString, getStaticType, getStaticUType, hasCompatibleStaticContext, hashCode, hasVariableBinding, identityHashCode, implementsStaticTypeCheck, isCallOn, isCallOnSystemFunction, isIdentical, isLiftable, isMultiThreaded, isSameExpression, isStaticPropertiesKnown, isSubtreeExpression, isUpdatingExpression, isVacuousExpression, markTailFunctionCalls, operandList, operandSparseList, optimizeChildren, resetLocalStaticProperties, restoreParentPointers, setEvaluationMethod, setExtraProperty, setFiltered, setFlattened, setLocation, setParentExpression, setRetainedStaticContext, setRetainedStaticContextLocally, setRetainedStaticContextThoroughly, setStaticProperty, simplify, simplifyChildren, staticTypeCheck, suppressValidation, toPattern, toShortString, toString, typeCheckChildren, typeError, unordered, verifyParentPointers, verifyParentPointers
public ProcessingInstruction(Expression name)
name
- the expression used to compute the name of the generated
processing-instructionpublic Expression getNameExp()
public void setNameExp(Expression nameExp)
public java.lang.Iterable<Operand> operands()
Expression
If the expression is a Callable, then it is required that the order of the operands returned by this function is the same as the order of arguments supplied to the corresponding call() method.
operands
in class SimpleNodeConstructor
public int getInstructionNameCode()
getInstructionNameCode
in class Instruction
public ItemType getItemType()
Instruction
getItemType
in class Instruction
public int getCardinality()
Expression
getCardinality
in class Expression
public Expression copy(RebindingMap rebindings)
copy
in class Expression
rebindings
- public void localTypeCheck(ExpressionVisitor visitor, ContextItemStaticInfo contextItemType) throws XPathException
SimpleNodeConstructor
localTypeCheck
in class SimpleNodeConstructor
visitor
- an expression visitorcontextItemType
- the static type of the context itemXPathException
- if a type error is detectedpublic int getDependencies()
Expression
getDependencies
in class Expression
public void processValue(java.lang.CharSequence value, XPathContext context) throws XPathException
processValue
in class SimpleNodeConstructor
value
- the string value of the new nodecontext
- the dynamic evaluation contextXPathException
protected java.lang.String checkContent(java.lang.String data, XPathContext context) throws XPathException
checkContent
in class SimpleNodeConstructor
data
- the supplied contentcontext
- the dynamic contextXPathException
- if the content is invalidpublic static java.lang.String checkContentXSLT(java.lang.String data)
data
- the supplied contentpublic static java.lang.String checkContentXQuery(java.lang.String data) throws XPathException
data
- the supplied contentXPathException
- if the content is invalidpublic NodeName evaluateNodeName(XPathContext context) throws XPathException
SimpleNodeConstructor
evaluateNodeName
in class SimpleNodeConstructor
context
- the XPath dynamic evaluation contextXPathException
- if any failure occurspublic void export(ExpressionPresenter out) throws XPathException
export
in interface ExportAgent
export
in class Expression
out
- the expression presenter used to display the structureXPathException
- if the export fails, for example if an expression is found that won't work
in the target environment.Copyright (c) 2004-2018 Saxonica Limited. All rights reserved.