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java.lang.Object | +--net.sf.saxon.instruct.Instruction | +--net.sf.saxon.instruct.ExprInstruction | +--net.sf.saxon.instruct.SimpleNodeConstructor | +--net.sf.saxon.instruct.FixedAttribute
An instruction derived from an xsl:attribute element in stylesheet, or from an attribute constructor in XQuery. This version deals only with attributes whose name is known at compile time. It is also used for attributes of literal result elements.
Field Summary |
Fields inherited from class net.sf.saxon.instruct.SimpleNodeConstructor |
select, separator |
Fields inherited from class net.sf.saxon.instruct.Instruction |
children |
Constructor Summary | |
FixedAttribute(int nameCode,
int validationAction,
SimpleType schemaType,
int annotation)
Construct an Attribute instruction |
Method Summary | |
void |
display(int level,
NamePool pool)
Display this instruction as an expression, for diagnostics |
protected int |
evaluateNameCode(XPathContext context)
|
int |
getCardinality()
Determine the static cardinality of the expression. |
java.lang.String |
getInstructionName()
Get the name of this instruction |
ItemType |
getItemType()
Determine the data type of the expression, if possible. |
TailCall |
processLeavingTail(XPathContext context)
Process this instruction |
void |
setNoSpecialChars()
Indicate that the attribute value contains no special characters that might need escaping |
void |
setRejectDuplicates()
Indicate that two attributes with the same name are not acceptable. |
void |
typeCheck(StaticContext env)
|
Methods inherited from class net.sf.saxon.instruct.SimpleNodeConstructor |
analyze, evaluateItem, expandChildren, getXPathExpressions, promoteInst, setSelect, setSeparator |
Methods inherited from class net.sf.saxon.instruct.ExprInstruction |
effectiveBooleanValue, evaluateAsString, getDependencies, getSpecialProperties, getSubExpressions, iterate, promote, simplify |
Methods inherited from class net.sf.saxon.instruct.Instruction |
assembleParams, assembleTunnelParams, displayChildren, dynamicError, dynamicError, getChildren, getColumnNumber, getExecutable, getInstructionNamespace, getLineNumber, getPublicId, getSourceLocator, getSystemId, process, processChildren, processChildrenLeavingTail, recoverableError, setChildren, setExecutable, setSourceLocation |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public FixedAttribute(int nameCode, int validationAction, SimpleType schemaType, int annotation)
nameCode
- Represents the attribute nameannotation
- Integer code identifying the type named in the type
attribute
of the instruction - zero if the attribute was not presentMethod Detail |
public void setRejectDuplicates()
public void setNoSpecialChars()
public java.lang.String getInstructionName()
getInstructionName
in class Instruction
public ItemType getItemType()
Expression
This method should always return a result, though it may be the best approximation that is available at the time.
getItemType
in interface Expression
getItemType
in class Instruction
public int getCardinality()
Expression
Determine the static cardinality of the expression. This establishes how many items there will be in the result of the expression, at compile time (i.e., without actually evaluating the result.
This method should always return a result, though it may be the best approximation that is available at the time.
getCardinality
in interface Expression
getCardinality
in class Instruction
public void typeCheck(StaticContext env) throws XPathException
typeCheck
in class SimpleNodeConstructor
XPathException
protected int evaluateNameCode(XPathContext context)
evaluateNameCode
in class SimpleNodeConstructor
public TailCall processLeavingTail(XPathContext context) throws javax.xml.transform.TransformerException
processLeavingTail
in interface Instr
processLeavingTail
in class Instruction
context
- the dynamic context of the transformation
javax.xml.transform.TransformerException
public void display(int level, NamePool pool)
display
in interface Expression
display
in class SimpleNodeConstructor
level
- indentation level for this expression
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