Package com.icl.saxon.functions
Class UnparsedEntityURI
- java.lang.Object
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- com.icl.saxon.expr.Expression
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- com.icl.saxon.expr.Function
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- com.icl.saxon.functions.UnparsedEntityURI
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public class UnparsedEntityURI extends Function
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Field Summary
Fields Modifier and Type Field Description (package private) DocumentInfo
boundDocument
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Fields inherited from class com.icl.saxon.expr.Expression
staticContext
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Constructor Summary
Constructors Constructor Description UnparsedEntityURI()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Value
evaluate(Context c)
Evaluate in a general contextjava.lang.String
evaluateAsString(Context context)
Evaluate the expression in a string contextint
getDataType()
Determine the data type of the expressionint
getDependencies()
Determine which aspects of the context the expression depends on.java.lang.String
getName()
Get the name of the function.Expression
reduce(int dep, Context c)
Remove dependencies.Expression
simplify()
Validate and simplify-
Methods inherited from class com.icl.saxon.expr.Function
addArgument, checkArgumentCount, display, getNumberOfArguments
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Methods inherited from class com.icl.saxon.expr.Expression
containsReferences, enumerate, evaluateAsBoolean, evaluateAsNodeSet, evaluateAsNumber, getStaticContext, indent, isContextDocumentNodeSet, make, outputStringValue, setStaticContext, usesCurrent
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Field Detail
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boundDocument
DocumentInfo boundDocument
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Method Detail
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getName
public java.lang.String getName()
Description copied from class:Function
Get the name of the function. This method must be implemented in all subclasses.
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getDataType
public int getDataType()
Determine the data type of the expression- Specified by:
getDataType
in classExpression
- Returns:
- Value.STRING
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simplify
public Expression simplify() throws XPathException
Validate and simplify- Overrides:
simplify
in classExpression
- Returns:
- the simplified expression
- Throws:
XPathException
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evaluateAsString
public java.lang.String evaluateAsString(Context context) throws XPathException
Evaluate the expression in a string context- Overrides:
evaluateAsString
in classExpression
- Parameters:
context
- The context in which the expression is to be evaluated- Returns:
- the value of the expression, evaluated in the current context
- Throws:
XPathException
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evaluate
public Value evaluate(Context c) throws XPathException
Evaluate in a general context- Specified by:
evaluate
in classExpression
- Parameters:
c
- The context in which the expression is to be evaluated- Returns:
- the value of the expression, evaluated in the current context
- Throws:
XPathException
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getDependencies
public int getDependencies()
Determine which aspects of the context the expression depends on. The result is a bitwise-or'ed value composed from constants such as Context.VARIABLES and Context.CURRENT_NODE- Specified by:
getDependencies
in classExpression
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reduce
public Expression reduce(int dep, Context c) throws XPathException
Remove dependencies.- Specified by:
reduce
in classExpression
- Parameters:
dep
- The dependencies to be removed, e.g. Context.VARIABLESc
- The context to be used for the partial evaluation- Returns:
- a new expression (or Value) that does not have any of the specified dependencies
- Throws:
XPathException
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