org.apache.xalan.templates

Class AVT

public class AVT extends Object implements Serializable, XSLTVisitable

Class to hold an Attribute Value Template.

UNKNOWN: advanced

Constructor Summary
AVT(StylesheetHandler handler, String uri, String name, String rawName, String stringedValue, ElemTemplateElement owner)
Construct an AVT by parsing the string, and either constructing a vector of AVTParts, or simply hold on to the string if the AVT is simple.
Method Summary
voidcallVisitors(XSLTVisitor visitor)
booleancanTraverseOutsideSubtree()
Tell if this expression or it's subexpressions can traverse outside the current subtree.
Stringevaluate(XPathContext xctxt, int context, PrefixResolver nsNode)
Evaluate the AVT and return a String.
voidfixupVariables(Vector vars, int globalsSize)
This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time.
StringgetName()
Get the local name of the attribute.
StringgetRawName()
Get the raw name of the attribute, with the prefix unprocessed.
StringgetSimpleString()
Get the AVT as the original string.
StringgetURI()
Get the namespace URI of the attribute.
booleanisContextInsensitive()
Test whether the AVT is insensitive to the context in which it is being evaluated.
booleanisSimple()
Returns true if this AVT is simple
voidsetName(String name)
Set the local name of the attribute.
voidsetRawName(String rawName)
Get the raw name of the attribute, with the prefix unprocessed.
voidsetURI(String uri)
Get the namespace URI of the attribute.

Constructor Detail

AVT

public AVT(StylesheetHandler handler, String uri, String name, String rawName, String stringedValue, ElemTemplateElement owner)
Construct an AVT by parsing the string, and either constructing a vector of AVTParts, or simply hold on to the string if the AVT is simple.

Parameters: handler non-null reference to StylesheetHandler that is constructing. uri non-null reference to URI, "" if null namespace. name non-null reference to name string. rawName prefixed name. stringedValue non-null raw string value.

Throws: javax.xml.transform.TransformerException

Method Detail

callVisitors

public void callVisitors(XSLTVisitor visitor)

See Also: callVisitors

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.

evaluate

public String evaluate(XPathContext xctxt, int context, PrefixResolver nsNode)
Evaluate the AVT and return a String.

Parameters: xctxt Te XPathContext to use to evaluate this. context The current source tree context. nsNode The current namespace context (stylesheet tree context).

Returns: The AVT evaluated as a string

Throws: javax.xml.transform.TransformerException

fixupVariables

public void fixupVariables(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).

getName

public String getName()
Get the local name of the attribute.

Returns: non-null reference to name string.

getRawName

public String getRawName()
Get the raw name of the attribute, with the prefix unprocessed.

Returns: non-null reference to prefixed name.

getSimpleString

public String getSimpleString()
Get the AVT as the original string.

Returns: The AVT as the original string

getURI

public String getURI()
Get the namespace URI of the attribute.

Returns: non-null reference to URI, "" if null namespace.

isContextInsensitive

public boolean isContextInsensitive()
Test whether the AVT is insensitive to the context in which it is being evaluated. This is intended to facilitate compilation of templates, by allowing simple AVTs to be converted back into strings. Currently the only case we recognize is simple strings. ADDED 9/5/2000 to support compilation experiment

Returns: True if the m_simpleString member of this AVT is not null

isSimple

public boolean isSimple()
Returns true if this AVT is simple

setName

public void setName(String name)
Set the local name of the attribute.

Parameters: name non-null reference to name string.

setRawName

public void setRawName(String rawName)
Get the raw name of the attribute, with the prefix unprocessed.

Parameters: rawName non-null reference to prefixed name.

setURI

public void setURI(String uri)
Get the namespace URI of the attribute.

Parameters: uri non-null reference to URI, "" if null namespace.

Copyright © 2005 Apache XML Project. All Rights Reserved.