Package org.apache.xalan.templates
Class AVTPart
- java.lang.Object
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- org.apache.xalan.templates.AVTPart
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- All Implemented Interfaces:
java.io.Serializable
,XSLTVisitable
- Direct Known Subclasses:
AVTPartSimple
,AVTPartXPath
public abstract class AVTPart extends java.lang.Object implements java.io.Serializable, XSLTVisitable
Class to hold a part, either a string or XPath, of an Attribute Value Template.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description AVTPart()
Construct a part.
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description boolean
canTraverseOutsideSubtree()
Tell if this expression or it's subexpressions can traverse outside the current subtree.abstract void
evaluate(XPathContext xctxt, FastStringBuffer buf, int context, PrefixResolver nsNode)
Write the evaluated value into the given string buffer.abstract void
fixupVariables(java.util.Vector vars, int globalsSize)
This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time.abstract java.lang.String
getSimpleString()
Get the AVT part as the original string.void
setXPathSupport(XPathContext support)
Set the XPath support.-
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.xalan.templates.XSLTVisitable
callVisitors
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Method Detail
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getSimpleString
public abstract java.lang.String getSimpleString()
Get the AVT part as the original string.- Returns:
- the AVT part as the original string.
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evaluate
public abstract void evaluate(XPathContext xctxt, FastStringBuffer buf, int context, PrefixResolver nsNode) throws javax.xml.transform.TransformerException
Write the evaluated value into the given string buffer.- Parameters:
xctxt
- The XPath context to use to evaluate this AVT.buf
- Buffer to write into.context
- The current source tree context.nsNode
- The current namespace context (stylesheet tree context).- Throws:
javax.xml.transform.TransformerException
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setXPathSupport
public void setXPathSupport(XPathContext support)
Set the XPath support.- Parameters:
support
- XPathContext to set.
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canTraverseOutsideSubtree
public boolean canTraverseOutsideSubtree()
Tell if this expression or it's subexpressions can traverse outside the current subtree.- Returns:
- true if traversal outside the context node's subtree can occur.
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fixupVariables
public abstract void fixupVariables(java.util.Vector vars, int globalsSize)
This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time.- Parameters:
vars
- List of QNames that correspond to variables. This list should be searched backwards for the first qualified name that corresponds to the variable reference qname. The position of the QName in the vector from the start of the vector will be its position in the stack frame (but variables above the globalsTop value will need to be offset to the current stack frame).
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