: Class AttributeValueTemplate
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java.lang.Object | +--com.icl.saxon.expr.Expression | +--com.icl.saxon.expr.AttributeValueTemplate
This class represents an attribute value template. Although it is not technically an expression in the sense of XSL syntax, we model it as an expression for inheritance purposes.
Fields inherited from class com.icl.saxon.expr.Expression |
staticContext |
Method Summary | |
void |
display(int level)
Diagnostic print of expression structure |
Value |
evaluate(Context context)
Evaluate an AVT. |
java.lang.String |
evaluateAsString(Context context)
Evaluate an expression as a String. |
int |
getDataType()
Determine the data type of the expression, if possible |
int |
getDependencies()
Determine which aspects of the context the expression depends on. |
static Expression |
make(java.lang.String avt,
StaticContext env)
Static factory method to create an AVT from an XSL string representation |
Expression |
reduce(int dependencies,
Context context)
Perform a partial evaluation of the expression, by eliminating specified dependencies on the context. |
Expression |
simplify()
Simplify an expression. |
Methods inherited from class com.icl.saxon.expr.Expression |
containsReferences, enumerate, evaluateAsBoolean, evaluateAsNodeSet, evaluateAsNumber, getStaticContext, indent, isContextDocumentNodeSet, outputStringValue, setStaticContext, usesCurrent |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
public static Expression make(java.lang.String avt, StaticContext env) throws XPathException
com.icl.saxon.expr.Expression
expression
- The expression (as a character string)env
- An object giving information about the compile-time context of the expressionpublic Expression simplify() throws XPathException
simplify
in class Expression
public Value evaluate(Context context) throws XPathException
evaluate
in class Expression
context
- The context in which the AVT is to be evaluatedpublic int getDataType()
getDataType
in class Expression
public java.lang.String evaluateAsString(Context context) throws XPathException
evaluateAsString
in class Expression
context
- The context in which the expression is to be evaluatedpublic int getDependencies()
getDependencies
in class Expression
public Expression reduce(int dependencies, Context context) throws XPathException
reduce
in class Expression
dependencies
- The dependencies to be removedcontext
- The context to be used for the partial evaluationpublic void display(int level)
display
in class Expression
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