File	Doc	Category	Size	Date	Package
XPathContext.java	API Doc	Java SE 5 API	38689	Fri Aug 26 14:56:06 BST 2005	com.sun.org.apache.xpath.internal

XPathContext

• java.lang.Object
  • com.sun.org.apache.xml.internal.dtm.DTMManager

Fields Summary
IntStack	m_last_pushed_rtfdtm
private Vector	m_rtfdtm_stack Stack of cached "reusable" DTMs for Result Tree Fragments. This is a kluge to handle the problem of starting an RTF before the old one is complete. %REVIEW% I'm using a Vector rather than Stack so we can reuse the DTMs if the problem occurs multiple times. I'm not sure that's really a net win versus discarding the DTM and starting a new one... but the retained RTF DTM will have been tail-pruned so should be small.
private int	m_which_rtfdtm Index of currently active RTF DTM in m_rtfdtm_stack
private SAX2RTFDTM	m_global_rtfdtm Most recent "reusable" DTM for Global Result Tree Fragments. No stack is required since we're never going to pop these.
protected DTMManager	m_dtmManager Though XPathContext context extends the DTMManager, it really is a proxy for this object, which is the real DTMManager.
ObjectStack	m_saxLocations The current stylesheet locator.
private Object	m_owner The owner context of this XPathContext. In the case of XSLT, this will be a Transformer object.
private Method	m_ownerGetErrorListener The owner context of this XPathContext. In the case of XSLT, this will be a Transformer object.
private VariableStack	m_variableStacks The stack of Variable stacks. A VariableStack will be pushed onto this stack for each template invocation.
private SourceTreeManager	m_sourceTreeManager The source tree manager, which associates Source objects to source tree nodes.
private ErrorListener	m_errorListener The ErrorListener where errors and warnings are to be reported.
private ErrorListener	m_defaultErrorListener A default ErrorListener in case our m_errorListener was not specified and our owner either does not have an ErrorListener or has a null one.
private URIResolver	m_uriResolver The TrAX URI Resolver for resolving URIs from the document(...) function to source tree nodes.
public XMLReader	m_primaryReader The reader of the primary source tree.
private Stack	m_contextNodeLists The current context node list.
public static final int	RECURSIONLIMIT The ammount to use for stacks that record information during the recursive execution.
private IntStack	m_currentNodes The stack of current node objects. Not to be confused with the current node list. %REVIEW% Note that there are no bounds check and resize for this stack, so if it is blown, it's all over.
private NodeVector	m_iteratorRoots A stack of the current sub-expression nodes.
private NodeVector	m_predicateRoots A stack of the current sub-expression nodes.
private IntStack	m_currentExpressionNodes A stack of the current sub-expression nodes.
private IntStack	m_predicatePos
private ObjectStack	m_prefixResolvers
private Stack	m_axesIteratorStack Stack of AxesIterators.
XPathExpressionContext	expressionContext

Constructors Summary
public XPathContext() Create an XPathContext instance. m_prefixResolvers.push(null); m_currentNodes.push(DTM.NULL); m_currentExpressionNodes.push(DTM.NULL); m_saxLocations.push(null);
public XPathContext(Object owner) Create an XPathContext instance. param owner Value that can be retrieved via the getOwnerObject() method. see #getOwnerObject m_owner = owner; try { m_ownerGetErrorListener = m_owner.getClass().getMethod("getErrorListener", new Class[] {}); } catch (NoSuchMethodException nsme) {} m_prefixResolvers.push(null); m_currentNodes.push(DTM.NULL); m_currentExpressionNodes.push(DTM.NULL); m_saxLocations.push(null);

Methods Summary
private void	assertion(boolean b, java.lang.String msg) Tell the user of an assertion error, and probably throw an exception. param b If false, a TransformerException will be thrown. param msg The assertion message, which should be informative. throws javax.xml.transform.TransformerException if b is false. if (!b) { ErrorListener errorHandler = getErrorListener(); if (errorHandler != null) { errorHandler.fatalError( new TransformerException( XSLMessages.createMessage( XPATHErrorResources.ER_INCORRECT_PROGRAMMER_ASSERTION, new Object[]{ msg }), (SAXSourceLocator)this.getSAXLocator())); } }
public com.sun.org.apache.xml.internal.dtm.DTMIterator	createDTMIterator(int whatToShow, com.sun.org.apache.xml.internal.dtm.DTMFilter filter, boolean entityReferenceExpansion) Create a new DTMIterator based only on a whatToShow and a DTMFilter. The traversal semantics are defined as the descendant access. param whatToShow This flag specifies which node types may appear in the logical view of the tree presented by the iterator. See the description of NodeFilter for the set of possible SHOW_ values.These flags can be combined using OR. param filter The NodeFilter to be used with this TreeWalker, or null to indicate no filter. param entityReferenceExpansion The value of this flag determines whether entity reference nodes are expanded. return The newly created NodeIterator. return m_dtmManager.createDTMIterator(whatToShow, filter, entityReferenceExpansion);
public com.sun.org.apache.xml.internal.dtm.DTMIterator	createDTMIterator(int node) Create a new DTMIterator that holds exactly one node. param node The node handle that the DTMIterator will iterate to. return The newly created DTMIterator. // DescendantIterator iter = new DescendantIterator(); DTMIterator iter = new com.sun.org.apache.xpath.internal.axes.OneStepIteratorForward(Axis.SELF); iter.setRoot(node, this); return iter; // return m_dtmManager.createDTMIterator(node);
public com.sun.org.apache.xml.internal.dtm.DTMIterator	createDTMIterator(java.lang.Object xpathCompiler, int pos) Create a new DTMIterator based on an XPath UnionExpr. param xpathCompiler ??? Somehow we need to pass in a subpart of the expression. I hate to do this with strings, since the larger expression has already been parsed. param pos The position in the expression. return The newly created DTMIterator. return m_dtmManager.createDTMIterator(xpathCompiler, pos);
public com.sun.org.apache.xml.internal.dtm.DTMIterator	createDTMIterator(java.lang.String xpathString, com.sun.org.apache.xml.internal.utils.PrefixResolver presolver) Create a new DTMIterator based on an XPath UnionExpr. param xpathString Must be a valid string expressing a UnionExpr. param presolver An object that can resolve prefixes to namespace URLs. return The newly created DTMIterator. return m_dtmManager.createDTMIterator(xpathString, presolver);
public com.sun.org.apache.xml.internal.dtm.DTM	createDocumentFragment() Creates an empty DocumentFragment object. return A new DocumentFragment handle. return m_dtmManager.createDocumentFragment();
public java.util.Stack	getAxesIteratorStackStacks() return m_axesIteratorStack;
public final int	getContextNode() Get the current context node. return The current context node. return this.getCurrentNode();
public final com.sun.org.apache.xml.internal.dtm.DTMIterator	getContextNodeList() Get the current context node list. return the current node list, also refered to here as a context node list. if (m_contextNodeLists.size() > 0) return (DTMIterator) m_contextNodeLists.peek(); else return null;
public java.util.Stack	getContextNodeListsStack() return m_contextNodeLists;
public final com.sun.org.apache.xml.internal.dtm.DTMIterator	getContextNodes() Get the current context node list. return An iterator for the current context list, as defined in XSLT. try { DTMIterator cnl = getContextNodeList(); if (null != cnl) return cnl.cloneWithReset(); else return null; // for now... this might ought to be an empty iterator. } catch (CloneNotSupportedException cnse) { return null; // error reporting? }
public final int	getCurrentExpressionNode() Get the current node that is the expression's context (i.e. for current() support). return The current sub-expression node. return m_currentExpressionNodes.peek();
public com.sun.org.apache.xml.internal.utils.IntStack	getCurrentExpressionNodeStack() return m_currentExpressionNodes;
public final int	getCurrentNode() Get the current context node. return the current node. return m_currentNodes.peek();
public com.sun.org.apache.xpath.internal.axes.SubContextList	getCurrentNodeList() Get the current node list as defined by the XSLT spec. return the current node list. xsl.usage internal return m_axesIteratorStack.isEmpty() ? null : (SubContextList) m_axesIteratorStack.elementAt(0);
public com.sun.org.apache.xml.internal.utils.IntStack	getCurrentNodeStack() // private NodeVector m_currentNodes = new NodeVector(); return m_currentNodes;
public com.sun.org.apache.xml.internal.dtm.DTM	getDTM(javax.xml.transform.Source source, boolean unique, com.sun.org.apache.xml.internal.dtm.DTMWSFilter wsfilter, boolean incremental, boolean doIndexing) Get an instance of a DTM, loaded with the content from the specified source. If the unique flag is true, a new instance will always be returned. Otherwise it is up to the DTMManager to return a new instance or an instance that it already created and may be being used by someone else. (I think more parameters will need to be added for error handling, and entity resolution). param source the specification of the source object, which may be null, in which case it is assumed that node construction will take by some other means. param unique true if the returned DTM must be unique, probably because it is going to be mutated. param whiteSpaceFilter Enables filtering of whitespace nodes, and may be null. param incremental true if the construction should try and be incremental. param doIndexing true if the caller considers it worth it to use indexing schemes. return a non-null DTM reference. return m_dtmManager.getDTM(source, unique, wsfilter, incremental, doIndexing);
public com.sun.org.apache.xml.internal.dtm.DTM	getDTM(int nodeHandle) Get an instance of a DTM that "owns" a node handle. param nodeHandle the nodeHandle. return a non-null DTM reference. return m_dtmManager.getDTM(nodeHandle);
public int	getDTMHandleFromNode(org.w3c.dom.Node node) Given a W3C DOM node, try and return a DTM handle. Note: calling this may be non-optimal. param node Non-null reference to a DOM node. return a valid DTM handle. return m_dtmManager.getDTMHandleFromNode(node);
public int	getDTMIdentity(com.sun.org.apache.xml.internal.dtm.DTM dtm) %TBD% Doc return m_dtmManager.getDTMIdentity(dtm);
public com.sun.org.apache.xml.internal.dtm.DTMManager	getDTMManager() Return the DTMManager object. Though XPathContext context extends the DTMManager, it really is a proxy for the real DTMManager. If a caller needs to make a lot of calls to the DTMManager, it is faster if it gets the real one from this function. return m_dtmManager;
public final javax.xml.transform.ErrorListener	getErrorListener() Get the ErrorListener where errors and warnings are to be reported. return A non-null ErrorListener reference. if (null != m_errorListener) return m_errorListener; ErrorListener retval = null; try { if (null != m_ownerGetErrorListener) retval = (ErrorListener) m_ownerGetErrorListener.invoke(m_owner, new Object[] {}); } catch (Exception e) {} if (null == retval) { if (null == m_defaultErrorListener) m_defaultErrorListener = new com.sun.org.apache.xml.internal.utils.DefaultErrorHandler(); retval = m_defaultErrorListener; } return retval;
public com.sun.org.apache.xalan.internal.extensions.ExpressionContext	getExpressionContext() The the expression context for extensions for this context. return An object that implements the ExpressionContext. return expressionContext;
public com.sun.org.apache.xml.internal.dtm.DTM	getGlobalRTFDTM() Get a DTM to be used as a container for a global Result Tree Fragment. This will always be an instance of (derived from? equivalent to?) SAX2DTM, since each RTF is constructed by temporarily redirecting our SAX output to it. It may be a single DTM containing for multiple fragments, if the implementation supports that. Note: The distinction between this method and getRTFDTM() is that the latter allocates space from the dynamic variable stack (m_rtfdtm_stack), which may be pruned away again as the templates which defined those variables are exited. Global variables may be bound late (see XUnresolvedVariable), and never want to be discarded, hence we need to allocate them separately and don't actually need a stack to track them. return a non-null DTM reference. // We probably should _NOT_ be applying whitespace filtering at this stage! // // Some magic has been applied in DTMManagerDefault to recognize this set of options // and generate an instance of DTM which can contain multiple documents // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but // I didn't want to change the manager API at this time, or expose // too many dependencies on its internals. (Ideally, I'd like to move // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly // specify the subclass here.) // If it doesn't exist, or if the one already existing is in the middle of // being constructed, we need to obtain a new DTM to write into. I'm not sure // the latter will ever arise, but I'd rather be just a bit paranoid.. if( m_global_rtfdtm==null || m_global_rtfdtm.isTreeIncomplete() ) { m_global_rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false); } return m_global_rtfdtm;
public final int	getIteratorRoot() Get the current location path iterator root. return m_iteratorRoots.peepOrNull();
public final com.sun.org.apache.xml.internal.utils.PrefixResolver	getNamespaceContext() Get the current namespace context for the xpath. return the current prefix resolver for resolving prefixes to namespace URLs. return (PrefixResolver) m_prefixResolvers.peek();
public java.lang.Object	getOwnerObject() Get the "owner" context of this context, which should be, in the case of XSLT, the Transformer object. This is needed so that XSLT functions can get the Transformer. return The owner object passed into the constructor, or null. return m_owner;
public final int	getPredicatePos() return m_predicatePos.peek();
public final int	getPredicateRoot() Get the current predicate root. return m_predicateRoots.peepOrNull();
public final org.xml.sax.XMLReader	getPrimaryReader() Get primary XMLReader associated with this execution context. return The reader of the primary source tree. return m_primaryReader;
public com.sun.org.apache.xml.internal.dtm.DTM	getRTFDTM() Get a DTM to be used as a container for a dynamic Result Tree Fragment. This will always be an instance of (derived from? equivalent to?) SAX2DTM, since each RTF is constructed by temporarily redirecting our SAX output to it. It may be a single DTM containing for multiple fragments, if the implementation supports that. return a non-null DTM reference. SAX2RTFDTM rtfdtm; // We probably should _NOT_ be applying whitespace filtering at this stage! // // Some magic has been applied in DTMManagerDefault to recognize this set of options // and generate an instance of DTM which can contain multiple documents // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but // I didn't want to change the manager API at this time, or expose // too many dependencies on its internals. (Ideally, I'd like to move // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly // specify the subclass here.) if(m_rtfdtm_stack==null) { m_rtfdtm_stack=new Vector(); rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false); m_rtfdtm_stack.addElement(rtfdtm); ++m_which_rtfdtm; } else if(m_which_rtfdtm<0) { rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(++m_which_rtfdtm); } else { rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm); // It might already be under construction -- the classic example would be // an xsl:variable which uses xsl:call-template as part of its value. To // handle this recursion, we have to start a new RTF DTM, pushing the old // one onto a stack so we can return to it. This is not as uncommon a case // as we might wish, unfortunately, as some folks insist on coding XSLT // as if it were a procedural language... if(rtfdtm.isTreeIncomplete()) { if(++m_which_rtfdtm < m_rtfdtm_stack.size()) rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm); else { rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false); m_rtfdtm_stack.addElement(rtfdtm); } } } return rtfdtm;
public javax.xml.transform.SourceLocator	getSAXLocator() Get the current locater in the stylesheet. return The location within the stylesheet, or null if not known. return (SourceLocator) m_saxLocations.peek();
public final SourceTreeManager	getSourceTreeManager() Get the SourceTreeManager associated with this execution context. return the SourceTreeManager associated with this execution context. return m_sourceTreeManager;
public com.sun.org.apache.xpath.internal.axes.SubContextList	getSubContextList() Get the current axes iterator, or return null if none. return the sub-context node list. xsl.usage internal return m_axesIteratorStack.isEmpty() ? null : (SubContextList) m_axesIteratorStack.peek();
public final javax.xml.transform.URIResolver	getURIResolver() Get the URIResolver associated with this execution context. return a URI resolver, which may be null. return m_uriResolver;
public final com.sun.org.apache.xpath.internal.VariableStack	getVarStack() Get the variable stack, which is in charge of variables and parameters. return the variable stack, which should not be null. return m_variableStacks;
public final void	popContextNodeList() Pop the current context node list. xsl.usage internal if(m_contextNodeLists.isEmpty()) System.err.println("Warning: popContextNodeList when stack is empty!"); else m_contextNodeLists.pop();
public final void	popCurrentExpressionNode() Pop the current node that is the expression's context (i.e. for current() support). m_currentExpressionNodes.quickPop(1);
public final void	popCurrentNode() Pop the current context node. m_currentNodes.quickPop(1);
public final void	popCurrentNodeAndExpression() Set the current context node. m_currentNodes.quickPop(1); m_currentExpressionNodes.quickPop(1);
public final void	popExpressionState() Pop the current context node, expression node, and prefix resolver. m_currentNodes.quickPop(1); m_currentExpressionNodes.quickPop(1); m_prefixResolvers.pop();
public final void	popIteratorRoot() Pop the current location path iterator root. m_iteratorRoots.popQuick();
public final void	popNamespaceContext() Pop the current namespace context for the xpath. m_prefixResolvers.pop();
public final void	popPredicatePos() m_predicatePos.pop();
public final void	popPredicateRoot() Pop the current predicate root. m_predicateRoots.popQuick();
public void	popRTFContext() Pop the RTFDTM's context mark. This discards any RTFs added after the last mark was set. If there is no RTF DTM, there's nothing to pop so this becomes a no-op. If pushes were issued before this was called, we count on the fact that popRewindMark is defined such that overpopping just resets to empty. Complicating factor: We need to handle the case of popping back to a previous RTF DTM, if one of the weird produce-an-RTF-to-build-an-RTF cases arose. Basically: If pop says this DTM is now empty, then return to the previous if one exists, in whatever state we left it in. UGLY, but hopefully the situation which forces us to consider this will arise exceedingly rarely. int previous=m_last_pushed_rtfdtm.pop(); if(null==m_rtfdtm_stack) return; if(m_which_rtfdtm==previous) { if(previous>=0) // guard against none-active { boolean isEmpty=((SAX2RTFDTM)(m_rtfdtm_stack.elementAt(previous))).popRewindMark(); } } else while(m_which_rtfdtm!=previous) { // Empty each DTM before popping, so it's ready for reuse // _DON'T_ pop the previous, since it's still open (which is why we // stacked up more of these) and did not receive a mark. boolean isEmpty=((SAX2RTFDTM)(m_rtfdtm_stack.elementAt(m_which_rtfdtm))).popRewindMark(); --m_which_rtfdtm; }
public void	popSAXLocator() Pop the current locater. m_saxLocations.pop();
public final void	popSubContextList() Pop the last pushed axes iterator. xsl.usage internal m_axesIteratorStack.pop();
public final void	pushContextNodeList(com.sun.org.apache.xml.internal.dtm.DTMIterator nl) Set the current context node list. param nl the current node list, also refered to here as a context node list. xsl.usage internal m_contextNodeLists.push(nl);
public final void	pushCurrentExpressionNode(int n) Set the current node that is the expression's context (i.e. for current() support). param n The sub-expression node to be current. m_currentExpressionNodes.push(n);
public final void	pushCurrentNode(int n) Set the current context node. param n the current node. m_currentNodes.push(n);
public final void	pushCurrentNodeAndExpression(int cn, int en) Set the current context node and expression node. param cn the current node. param en the sub-expression context node. m_currentNodes.push(cn); m_currentExpressionNodes.push(cn);
public final void	pushExpressionState(int cn, int en, com.sun.org.apache.xml.internal.utils.PrefixResolver nc) Push the current context node, expression node, and prefix resolver. param cn the current node. param en the sub-expression context node. param nc the namespace context (prefix resolver. m_currentNodes.push(cn); m_currentExpressionNodes.push(cn); m_prefixResolvers.push(nc);
public final void	pushIteratorRoot(int n) Set the current location path iterator root. m_iteratorRoots.push(n);
public final void	pushNamespaceContext(com.sun.org.apache.xml.internal.utils.PrefixResolver pr) Push a current namespace context for the xpath. param pr the prefix resolver to be used for resolving prefixes to namespace URLs. m_prefixResolvers.push(pr);
public final void	pushNamespaceContextNull() Just increment the namespace contest stack, so that setNamespaceContext can be used on the slot. m_prefixResolvers.push(null);
public final void	pushPredicatePos(int n) m_predicatePos.push(n);
public final void	pushPredicateRoot(int n) Set the current predicate root. m_predicateRoots.push(n);
public void	pushRTFContext() Push the RTFDTM's context mark, to allows discarding RTFs added after this point. (If it doesn't exist we don't push, since we might still be able to get away with not creating it. That requires that excessive pops be harmless.) m_last_pushed_rtfdtm.push(m_which_rtfdtm); if(null!=m_rtfdtm_stack) ((SAX2RTFDTM)(getRTFDTM())).pushRewindMark();
public void	pushSAXLocator(javax.xml.transform.SourceLocator location) Set the current locater in the stylesheet. param location The location within the stylesheet. m_saxLocations.push(location);
public void	pushSAXLocatorNull() Push a slot on the locations stack so that setSAXLocator can be repeatedly called. param location The location within the stylesheet. m_saxLocations.push(null);
public final void	pushSubContextList(com.sun.org.apache.xpath.internal.axes.SubContextList iter) Push a TreeWalker on the stack. param iter A sub-context AxesWalker. xsl.usage internal m_axesIteratorStack.push(iter);
public boolean	release(com.sun.org.apache.xml.internal.dtm.DTM dtm, boolean shouldHardDelete) Release a DTM either to a lru pool, or completely remove reference. DTMs without system IDs are always hard deleted. State: experimental. param dtm The DTM to be released. param shouldHardDelete True if the DTM should be removed no matter what. return true if the DTM was removed, false if it was put back in a lru pool. // %REVIEW% If it's a DTM which may contain multiple Result Tree // Fragments, we can't discard it unless we know not only that it // is empty, but that the XPathContext itself is going away. So do // _not_ accept the request. (May want to do it as part of // reset(), though.) if(m_rtfdtm_stack!=null && m_rtfdtm_stack.contains(dtm)) { return false; } return m_dtmManager.release(dtm, shouldHardDelete);
public void	reset() Reset for new run. // These couldn't be disposed of earlier (see comments in release()); zap them now. if(m_rtfdtm_stack!=null) for (java.util.Enumeration e = m_rtfdtm_stack.elements() ; e.hasMoreElements() ;) m_dtmManager.release((DTM)e.nextElement(), true); m_rtfdtm_stack=null; // drop our references too m_which_rtfdtm=-1; if(m_global_rtfdtm!=null) m_dtmManager.release(m_global_rtfdtm,true); m_global_rtfdtm=null; m_dtmManager = DTMManager.newInstance( com.sun.org.apache.xpath.internal.objects.XMLStringFactoryImpl.getFactory()); m_saxLocations.removeAllElements(); m_axesIteratorStack.removeAllElements(); m_contextNodeLists.removeAllElements(); m_currentExpressionNodes.removeAllElements(); m_currentNodes.removeAllElements(); m_iteratorRoots.RemoveAllNoClear(); m_predicatePos.removeAllElements(); m_predicateRoots.RemoveAllNoClear(); m_prefixResolvers.removeAllElements(); m_prefixResolvers.push(null); m_currentNodes.push(DTM.NULL); m_currentExpressionNodes.push(DTM.NULL); m_saxLocations.push(null);
public void	setAxesIteratorStackStacks(java.util.Stack s) m_axesIteratorStack = s;
public void	setContextNodeListsStack(java.util.Stack s) m_contextNodeLists = s;
public void	setCurrentExpressionNodeStack(com.sun.org.apache.xml.internal.utils.IntStack nv) m_currentExpressionNodes = nv;
public void	setCurrentNodeStack(com.sun.org.apache.xml.internal.utils.IntStack nv) m_currentNodes = nv;
public void	setErrorListener(javax.xml.transform.ErrorListener listener) Set the ErrorListener where errors and warnings are to be reported. param listener A non-null ErrorListener reference. if (listener == null) throw new IllegalArgumentException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, null)); //"Null error handler"); m_errorListener = listener;
public final void	setNamespaceContext(com.sun.org.apache.xml.internal.utils.PrefixResolver pr) Get the current namespace context for the xpath. param pr the prefix resolver to be used for resolving prefixes to namespace URLs. m_prefixResolvers.setTop(pr);
public void	setPrimaryReader(org.xml.sax.XMLReader reader) Set primary XMLReader associated with this execution context. param reader The reader of the primary source tree. m_primaryReader = reader;
public void	setSAXLocator(javax.xml.transform.SourceLocator location) Set the current locater in the stylesheet. param location The location within the stylesheet. m_saxLocations.setTop(location);
public void	setSourceTreeManager(SourceTreeManager mgr) Set the SourceTreeManager associated with this execution context. param mgr the SourceTreeManager to be associated with this execution context. m_sourceTreeManager = mgr;
public void	setURIResolver(javax.xml.transform.URIResolver resolver) Set the URIResolver associated with this execution context. param resolver the URIResolver to be associated with this execution context, may be null to clear an already set resolver. m_uriResolver = resolver;
public final void	setVarStack(com.sun.org.apache.xpath.internal.VariableStack varStack) Get the variable stack, which is in charge of variables and parameters. param varStack non-null reference to the variable stack. m_variableStacks = varStack;