Package com.sun.msv.reader.trex
Class DefineState
- java.lang.Object
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- com.sun.msv.reader.State
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- com.sun.msv.reader.SimpleState
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- com.sun.msv.reader.trex.DefineState
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- All Implemented Interfaces:
ExpressionOwner
,org.xml.sax.ContentHandler
- Direct Known Subclasses:
DefineState
,DefineState
public abstract class DefineState extends SimpleState implements ExpressionOwner
parses <define> declaration.
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Field Summary
Fields Modifier and Type Field Description protected Expression
exp
expression object that is being created.private ReferenceExp
ref
Container to which the expression will be assigned.
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Constructor Summary
Constructors Constructor Description DefineState()
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description protected State
createChildState(StartTagInfo tag)
creates appropriate child state object for this elementprotected abstract Expression
doCombine(ReferenceExp baseExp, Expression newExp, java.lang.String combine)
combines two expressions into one as specified by the combine parameter, and returns a new expression.protected void
endSelf()
this method is called in endElement method when the state is about to be removed.ReferenceExp
getRef()
Obtains aReferenceExp
that represents the target pattern block.protected ReferenceExp
getReference()
void
onEndChild(Expression child)
receives a Pattern object that is contained in this element.protected void
startSelf()
performs a task that should be done before reading any child elements.-
Methods inherited from class com.sun.msv.reader.SimpleState
endDocument, endElement, isGrammarElement, startElement
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Methods inherited from class com.sun.msv.reader.State
_assert, callInterceptExpression, characters, endPrefixMapping, getBaseURI, getLocation, getParentState, getStartTag, ignorableWhitespace, init, processingInstruction, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping
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Field Detail
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exp
protected Expression exp
expression object that is being created. See#castPattern
and#annealPattern
methods for how will a pattern be created.
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ref
private ReferenceExp ref
Container to which the expression will be assigned.
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Method Detail
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getRef
public final ReferenceExp getRef()
Obtains aReferenceExp
that represents the target pattern block.- Returns:
- null If there was an error in the input, this method may return null.
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onEndChild
public final void onEndChild(Expression child)
receives a Pattern object that is contained in this element.- Specified by:
onEndChild
in interfaceExpressionOwner
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startSelf
protected void startSelf()
Description copied from class:State
performs a task that should be done before reading any child elements. derived-class can safely read startTag and/or parentState values.
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endSelf
protected void endSelf()
Description copied from class:SimpleState
this method is called in endElement method when the state is about to be removed. derived-class should perform any wrap-up job- Overrides:
endSelf
in classSimpleState
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createChildState
protected State createChildState(StartTagInfo tag)
Description copied from class:SimpleState
creates appropriate child state object for this element- Specified by:
createChildState
in classSimpleState
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getReference
protected ReferenceExp getReference()
- Returns:
- null in case of error.
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doCombine
protected abstract Expression doCombine(ReferenceExp baseExp, Expression newExp, java.lang.String combine)
combines two expressions into one as specified by the combine parameter, and returns a new expression. If the combine parameter is invalid, then return null.
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