sboag 00/02/13 08:36:51
Modified: src/org/apache/xalan/xpath/dtm DTMNodeLocator.java
Log:
Removed most overrides of SimpleNodeLocator.
Revision Changes Path
1.11 +1 -785
xml-xalan/src/org/apache/xalan/xpath/dtm/DTMNodeLocator.java
Index: DTMNodeLocator.java
===================================================================
RCS file:
/home/cvs/xml-xalan/src/org/apache/xalan/xpath/dtm/DTMNodeLocator.java,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -r1.10 -r1.11
--- DTMNodeLocator.java 2000/02/08 14:43:52 1.10
+++ DTMNodeLocator.java 2000/02/13 16:36:51 1.11
@@ -86,792 +86,8 @@
m_locater = (null == m_locater) ? new DTMNodeLocator() : m_locater;
return m_locater;
}
-
- /**
- * Add the descendants (and the context if the stepType is
- * FROM_DESCENDANTS_OR_SELF) to the list if they meet
- * the NodeTest qualification.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @param stepType Value of xpath.FROM_DESCENDANTS or
xpath.FROM_DESCENDANTS_OR_SELF.
- * @param subQueryResults Should be an empty node list where the
- * results of the step will be put.
- * @returns the length of the argument (i.e. amount to add to predicate
pos
- * or end of step).
- */
- protected int findDescendants(XPath xpath, XPathSupport execContext, Node
context, int opPos,
- int stepType, MutableNodeList
subQueryResults)
- throws org.xml.sax.SAXException
- {
- // return super.findDescendants(xpath, execContext, context, opPos,
stepType, subQueryResults);
- int argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- int newOpPos = opPos + 3;
- try
- {
- DTMProxy dtmp = (DTMProxy)context;
- int dtmpPos = dtmp.node;
- DTM dtm = dtmp.dtm;
-
- if(stepType == xpath.FROM_DESCENDANTS_OR_SELF)
- {
- if(xpath.MATCH_SCORE_NONE != nodeTest(xpath, execContext, context,
newOpPos, argLen, stepType))
- {
- subQueryResults.addNode(context);
- }
- }
-
- // Walk across the kids until all have been accounted for
- for (int kid = dtm.getFirstChild(dtmpPos);
- kid != -1;
- kid = dtm.getNextDescendant(dtmpPos, kid))
- {
- DTMProxy kidNode = dtm.getNode(kid);
- if(xpath.MATCH_SCORE_NONE != nodeTest(xpath, execContext, kidNode,
newOpPos, argLen, stepType))
- {
- subQueryResults.addNode(kidNode);
- }
-
- }
- }
- catch(ClassCastException cce)
- {
- return super.findDescendants(xpath, execContext, context, opPos,
stepType, subQueryResults);
- }
- return argLen+3;
- }
-
- /**
- * Add the nodes preceding the context to the list if they meet
- * the NodeTest qualification.
- * The preceding axis contains all nodes in the same document
- * as the context node that are before the context node in document
- * order, excluding any ancestors and excluding attribute nodes
- * and namespace nodes; the nodes are ordered in reverse document order.
- * Note that the ancestor, descendant, following, preceding and
- * self axes partition a document (ignoring attribute and namespace
- * nodes): they do not overlap and together they contain all the
- * nodes in the document.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @param stepType Value of xpath.FROM_PRECEDING.
- * @param subQueryResults Should be an empty node list where the
- * results of the step will be put.
- * @returns the length of the argument (i.e. amount to add to predicate
pos
- * or end of step).
- */
- protected int findPreceding(XPath xpath, XPathSupport execContext, Node
context, int opPos,
- int stepType, MutableNodeList subQueryResults)
- throws org.xml.sax.SAXException
- {
- int argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- int newOpPos = opPos + 3;
- try
- {
- DTMProxy dtmp = (DTMProxy)context;
- int dtmpPos = dtmp.node;
- DTM dtm = dtmp.dtm;
-
- // Walk across the kids until all have been accounted for.
- for (int preceding = dtm.getNextPreceding(dtmpPos, dtmpPos);
- preceding != -1;
- preceding = dtm.getNextPreceding(dtmpPos, preceding))
- {
- DTMProxy precedingNode = dtm.getNode(preceding);
- if(xpath.MATCH_SCORE_NONE != nodeTest(xpath, execContext,
precedingNode, newOpPos, argLen, stepType))
- {
- subQueryResults.addNode(precedingNode);
- }
- }
- }
- catch(ClassCastException cce)
- {
- return super.findPreceding(xpath, execContext, context, opPos,
stepType, subQueryResults);
- }
- return argLen+3;
- }
-
- /**
- * Add children to the list if they meet
- * the NodeTest qualification.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @param stepType Value of xpath.FROM_CHILDREN.
- * @param subQueryResults Should be an empty node list where the
- * results of the step will be put.
- * @returns the length of the argument (i.e. amount to add to predicate
pos
- * or end of step).
- */
- protected int findChildren(XPath xpath, XPathSupport execContext, Node
context, int opPos,
- int stepType, MutableNodeList subQueryResults)
- throws org.xml.sax.SAXException
- {
- int argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- int newOpPos = opPos + 3;
- try
- {
- DTMProxy dtmp = (DTMProxy)context;
- int dtmpPos = dtmp.node;
- DTM dtm = dtmp.dtm;
-
- // Walk across the kids until all have been accounted for.
- for (int child = dtm.getFirstChild(dtmpPos);
- child != -1;
- child = dtm.getNextSibling(child))
- {
- DTMProxy childNode = dtm.getNode(child);
- if(xpath.MATCH_SCORE_NONE != nodeTest(xpath, execContext, childNode,
newOpPos, argLen, stepType))
- {
- subQueryResults.addNode(childNode);
- }
- }
- }
- catch(ClassCastException cce)
- {
- return super.findChildren(xpath, execContext, context, opPos,
stepType, subQueryResults);
- }
-
- return argLen+3;
- }
-
- /**
- * Add attributes to the list if they meet
- * the NodeTest qualification.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @param stepType Value of xpath.FROM_ATTRIBUTES.
- * @param subQueryResults Should be an empty node list where the
- * results of the step will be put.
- * @returns the length of the argument (i.e. amount to add to predicate
pos
- * or end of step).
- */
- protected int findAttributes(XPath xpath, XPathSupport execContext, Node
context, int opPos,
- int stepType, MutableNodeList
subQueryResults)
- throws org.xml.sax.SAXException
- {
- int argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- int newOpPos = opPos + 3;
-
- try
- {
- DTMProxy dtmp = (DTMProxy)context;
- int dtmpPos = dtmp.node;
- DTM dtm = dtmp.dtm;
-
- // Walk across the kids until all have been accounted for.
- for (int child = dtm.getFirstAttribute(dtmpPos);
- child != -1;
- child = dtm.getNextAttribute(child))
- {
- Attr attr = (Attr)dtm.getNode(child);
- if(xpath.MATCH_SCORE_NONE != nodeTest(xpath, execContext, attr,
newOpPos, argLen, stepType))
- {
- subQueryResults.addNode(attr);
- }
- }
- }
- catch(ClassCastException cce)
- {
- return super.findAttributes(xpath, execContext, context, opPos,
stepType, subQueryResults);
- }
-
- return argLen+3;
- }
-
- /**
- * Create an XPathFactory for DTMNodeLocator.
- */
- public static XPathFactory factory()
- {
- return new DTMNodeLocatorFactory();
- }
-
- /**
- * Execute a location path pattern. This will return a score
- * of MATCH_SCORE_NONE, MATCH_SCORE_NODETEST,
- * MATCH_SCORE_OTHER, MATCH_SCORE_QNAME.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @returns score, one of MATCH_SCORE_NODETEST,
- * MATCH_SCORE_NONE, MATCH_SCORE_OTHER, MATCH_SCORE_QNAME.
- */
- /*
- public double locationPathPattern(XPath xpath, XPathSupport execContext,
Node context, int opPos)
- {
- try
- {
- DTMProxy contextp = (DTMProxy)context;
- return locationPathPattern(xpath, execContext, contextp.dtm,
contextp.node, opPos);
- }
- catch(ClassCastException cce)
- {
- return super.locationPathPattern(xpath, execContext, context, opPos);
- }
- }
- */
-
- /**
- * Execute a a location path pattern. This will return a score
- * of MATCH_SCORE_NONE, MATCH_SCORE_NODETEST,
- * MATCH_SCORE_OTHER, MATCH_SCORE_QNAME.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @returns score, one of MATCH_SCORE_NODETEST,
- * MATCH_SCORE_NONE, MATCH_SCORE_OTHER, MATCH_SCORE_QNAME.
- */
- public double locationPathPattern(XPath xpath, XPathSupport execContext,
DTM dtm, int context, int opPos)
- throws org.xml.sax.SAXException
- {
opPos+=2;
- double[] scoreHolder =
- {
- xpath.MATCH_SCORE_NONE};
stepPattern(xpath, execContext, dtm, context, opPos, scoreHolder);
return scoreHolder[0];
- }
/**
- * Execute a step in a location path.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @returns the last matched context node.
- */
- protected int stepPattern(XPath xpath, XPathSupport execContext, DTM dtm,
int context, int opPos, double scoreHolder[])
- throws org.xml.sax.SAXException
- {
int startOpPos = opPos;
int stepType = xpath.m_opMap[opPos];
-
- int endStep = xpath.getNextOpPos(opPos);
- int nextStepType = xpath.m_opMap[endStep];
- double score;
-
- if(xpath.ENDOP != nextStepType)
- {
- // Continue step via recursion...
- context = stepPattern(xpath, execContext, dtm, context, endStep,
scoreHolder);
- if(-1 == context)
- scoreHolder[0] = xpath.MATCH_SCORE_NONE;
- if(scoreHolder[0] == xpath.MATCH_SCORE_NONE)
- return -1;
- scoreHolder[0] = xpath.MATCH_SCORE_OTHER;
- context = dtm.getParent(context);
- if(-1 == context)
- return -1;
- }
-
- int argLen;
-
- switch(stepType)
- {
- case XPath.OP_FUNCTION:
- {
- argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH];
- Node contextNode = dtm.getNode( context );
- XObject obj = xpath.execute(execContext, contextNode, opPos);
- NodeList nl = obj.nodeset();
- int len = nl.getLength();
- score = xpath.MATCH_SCORE_NONE;
- for(int i = 0; i < len; i++)
- {
- Node n = nl.item(i);
- score = (contextNode.equals( n )) ? xpath.MATCH_SCORE_OTHER :
xpath.MATCH_SCORE_NONE;
- if(score == xpath.MATCH_SCORE_OTHER)
- {
- context = ((DTMProxy)n).getDTMNodeNumber();
- break;
- }
- }
- }
- break;
- case XPath.FROM_ROOT:
- {
- argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- opPos += 3;
- score = (0 == context) ? xpath.MATCH_SCORE_OTHER :
xpath.MATCH_SCORE_NONE;
- if(score == xpath.MATCH_SCORE_OTHER)
- {
- context = 0;
- }
- }
- break;
- case XPath.MATCH_ATTRIBUTE:
- {
- argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- opPos += 3;
- score = nodeTest(xpath, execContext, dtm, context, opPos, argLen,
xpath.FROM_ATTRIBUTES);
- break;
- }
- case XPath.MATCH_ANY_ANCESTOR:
- {
- argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- opPos += 3;
- score = xpath.MATCH_SCORE_NONE;
- while(-1 != context)
- {
- score = nodeTest(xpath, execContext, dtm, context, opPos, argLen,
stepType);
- if(xpath.MATCH_SCORE_NONE != score)
- break;
- context = dtm.getParent(context);
- }
- }
- break;
- case XPath.MATCH_IMMEDIATE_ANCESTOR:
- argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- opPos += 3;
- score = nodeTest(xpath, execContext, dtm, context, opPos, argLen,
stepType);
- break;
- default:
- argLen = xpath.m_opMap[opPos+xpath.MAPINDEX_LENGTH+1]-3;
- opPos += 3;
- score = xpath.MATCH_SCORE_NONE;
- xpath.error(dtm.getNode( context ),
XPATHErrorResources.ER_UNKNOWN_MATCH_OPERATION); //"unknown match operation!");
- break;
- }
- opPos += argLen;
- nextStepType = xpath.m_opMap[opPos];
-
- if(((score != xpath.MATCH_SCORE_NONE)) && (xpath.OP_PREDICATE ==
nextStepType))
- {
- score = xpath.MATCH_SCORE_OTHER;
- // Execute the xpath.predicates, but if we have an index, then we have
- // to start over and do a search from the parent. It would be nice
- // if I could sense this condition earlier...
- try
- {
- execContext.setThrowFoundIndex(true);
- int startPredicates = opPos;
- opPos = startPredicates;
- nextStepType = xpath.m_opMap[opPos];
- while(xpath.OP_PREDICATE == nextStepType)
- {
- XObject pred = xpath.predicate(execContext, dtm.getNode( context
), opPos);
- if(XObject.CLASS_NUMBER == pred.getType())
- {
- throw new FoundIndex();
- }
- else if(!pred.bool())
- {
- score = xpath.MATCH_SCORE_NONE;
- break; // from while(xpath.OP_PREDICATE == nextStepType)
- }
- opPos = xpath.getNextOpPos(opPos);
- nextStepType = xpath.m_opMap[opPos];
- }
- execContext.setThrowFoundIndex(false);
- }
- catch(FoundIndex fi)
- {
- // We have an index somewhere in our pattern. So, we have
- // to do a full search for our step, using the parent as
- // context, then see if the current context is found in the
- // node set. Seems crazy, but, so far, it seems like the
- // easiest way.
- execContext.setThrowFoundIndex(true);
- int parentContext = dtm.getParent(context);
- MutableNodeList mnl = step(xpath, execContext,
dtm.getNode(dtm.getParent(parentContext)), startOpPos);
- int nNodes = mnl.getLength();
- score = xpath.MATCH_SCORE_NONE;
- for(int i = 0; i < nNodes; i++)
- {
- try
- {
- DTMProxy child = (DTMProxy)mnl.item(i);
- if((null != child) && (child.getDTMNodeNumber() == context))
- {
- score = xpath.MATCH_SCORE_OTHER;
- break;
- }
- }
- catch(ClassCastException cce) {}
- }
- }
- }
- // If we haven't found a score yet, or the test was
- // negative, assign the score.
- if((scoreHolder[0] == xpath.MATCH_SCORE_NONE) ||
- (score == xpath.MATCH_SCORE_NONE))
- scoreHolder[0] = score;
-
- return (score == xpath.MATCH_SCORE_NONE) ? -1 : context;
- }
-
-
- /**
- * Test a node to see if it matches the given node test.
- * @param xpath The xpath that is executing.
- * @param context The current source tree context node.
- * @param opPos The current position in the xpath.m_opMap array.
- * @param len The length of the argument.
- * @param len The type of the step.
- * @returns score in an XNumber, one of MATCH_SCORE_NODETEST,
- * MATCH_SCORE_NONE, MATCH_SCORE_OTHER, MATCH_SCORE_QNAME.
- */
- public double nodeTest(XPath xpath, XPathSupport execContext, DTM dtm, int
context, int opPos, int argLen, int stepType)
- throws org.xml.sax.SAXException
- {
- double score;
- int testType = xpath.m_opMap[opPos];
- int nodeType = dtm.getNodeType(context);
- opPos++;
- switch(testType)
- {
- case XPath.NODETYPE_COMMENT:
- score = (Node.COMMENT_NODE == nodeType)
- ? xpath.MATCH_SCORE_NODETEST : xpath.MATCH_SCORE_NONE;
- break;
- case XPath.NODETYPE_TEXT:
- score = (((Node.CDATA_SECTION_NODE == nodeType)
- || (Node.TEXT_NODE == nodeType)) &&
- (!execContext.shouldStripSourceNode(dtm.getNode( context ))))
- ? xpath.MATCH_SCORE_NODETEST : xpath.MATCH_SCORE_NONE;
- break;
- case XPath.NODETYPE_PI:
- if( (Node.PROCESSING_INSTRUCTION_NODE == nodeType) )
- {
- if(argLen == 2)
- {
- XString name = (XString)xpath.m_tokenQueue[xpath.m_opMap[opPos]];
- score = dtm.getNodeName(context).equals(name.str())
- ? xpath.MATCH_SCORE_QNAME : xpath.MATCH_SCORE_NONE;
- }
- else if(argLen == 1)
- {
- score = xpath.MATCH_SCORE_NODETEST;
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- xpath.error(XPATHErrorResources.ER_INCORRECT_ARG_LENGTH); //"Arg
length of processing-instruction() node test is incorrect!");
- }
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- break;
- case XPath.NODETYPE_NODE:
- if((Node.CDATA_SECTION_NODE == nodeType)
- || (Node.TEXT_NODE == nodeType))
- {
- score = (!execContext.shouldStripSourceNode(dtm.getNode( context )))
- ? xpath.MATCH_SCORE_NODETEST : xpath.MATCH_SCORE_NONE;
- }
- else
- {
- score = xpath.MATCH_SCORE_NODETEST;
- }
- break;
- case XPath.NODETYPE_ROOT:
- score = ( (Node.DOCUMENT_FRAGMENT_NODE == nodeType)
- || (Node.DOCUMENT_NODE == nodeType))
- ? xpath.MATCH_SCORE_OTHER : xpath.MATCH_SCORE_NONE;
- break;
-
- case XPath.NODENAME:
- {
- boolean test;
- int queueIndex = xpath.m_opMap[opPos];
- String targetNS = (queueIndex >= 0) ?
(String)xpath.m_tokenQueue[xpath.m_opMap[opPos]]
- : null;
- opPos++;
-
- // From the draft: "Two expanded names are equal if they
- // have the same local part, and either both have no URI or
- // both have the same URI."
- // "A node test * is true for any node of the principal node type.
- // For example, child::* will select all element children of the
- // context node, and attribute::* will select all attributes of
- // the context node."
- // "A node test can have the form NCName:*. In this case, the prefix
- // is expanded in the same way as with a QName using the context
- // namespace declarations. The node test will be true for any node
- // of the principal type whose expanded name has the URI to which
- // the prefix expands, regardless of the local part of the name."
- boolean isTotallyWild = (null == targetNS) && (xpath.m_opMap[opPos]
== xpath.ELEMWILDCARD);
- boolean processNamespaces = execContext.getProcessNamespaces();
- boolean didMatchNS = false;
- if(!isTotallyWild && processNamespaces)
- {
- String contextNS = dtm.getNamespaceURI(context);
- if((null != targetNS) && (null != contextNS))
- {
- test = contextNS.equals(targetNS);
- didMatchNS = true;
- }
- else
- {
- test = (xpath.ELEMWILDCARD == queueIndex) ||
- (((null == contextNS) || (contextNS.length() == 0)) &&
- ((null == targetNS) || (targetNS.length() == 0)));
- }
- }
- else
- test = true;
-
- queueIndex = xpath.m_opMap[opPos];
- String targetLocalName = (queueIndex >= 0) ?
(String)xpath.m_tokenQueue[xpath.m_opMap[opPos]]
- : null;
-
- if(!test)
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- else
- {
- switch(nodeType)
- {
- case Node.ATTRIBUTE_NODE:
- if(stepType == xpath.FROM_ATTRIBUTES)
- {
-
- if(xpath.ELEMWILDCARD == queueIndex)
- {
- String attrName = dtm.getNodeName(context);
- if(processNamespaces)
- {
- score = (!((attrName.startsWith("xmlns:")
- || attrName.equals("xmlns"))))
- ? xpath.MATCH_SCORE_NODETEST
- : xpath.MATCH_SCORE_NONE;
- }
- else
- {
- score = xpath.MATCH_SCORE_NODETEST;
- }
- }
- else
- {
- String localAttrName
- =dtm.getLocalName(context);
- score = localAttrName.equals(targetLocalName)
- ? xpath.MATCH_SCORE_QNAME : xpath.MATCH_SCORE_NONE;
- }
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- break;
-
- case Node.ELEMENT_NODE:
- if(stepType != xpath.FROM_ATTRIBUTES)
- {
- if(xpath.ELEMWILDCARD == queueIndex)
- {
- score = (didMatchNS ?
- xpath.MATCH_SCORE_NSWILD :
xpath.MATCH_SCORE_NODETEST);
- }
- else
- {
-
- score = (dtm.getLocalName(context).equals(targetLocalName))
- ? xpath.MATCH_SCORE_QNAME : xpath.MATCH_SCORE_NONE;
- }
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- break;
-
- default:
- // Trying to match on anything else causes nasty bugs.
- score = xpath.MATCH_SCORE_NONE;
- break;
-
- } // end switch(nodeType)
- } // end if(test)
- } // end case xpath.NODENAME
- break;
- default:
- score = xpath.MATCH_SCORE_NONE;
- } // end switch(testType)
-
- return score;
- /*
- double score;
- int testType = xpath.m_opMap[opPos];
- int nodeType = dtm.getNodeType( context );
- opPos++;
- switch(testType)
- {
- case xpath.NODETYPE_COMMENT:
- score = (Node.COMMENT_NODE == nodeType)
- ? xpath.MATCH_SCORE_NODETEST : xpath.MATCH_SCORE_NONE;
- break;
- case xpath.NODETYPE_TEXT:
- score = (((Node.CDATA_SECTION_NODE == nodeType)
- || (Node.TEXT_NODE == nodeType)) &&
- (!execContext.shouldStripSourceNode(dtm.getNode( context ))))
- ? xpath.MATCH_SCORE_NODETEST : xpath.MATCH_SCORE_NONE;
- break;
- case xpath.NODETYPE_PI:
- if( (Node.PROCESSING_INSTRUCTION_NODE == nodeType) )
- {
- if(argLen == 2)
- {
- XString name = (XString)xpath.m_tokenQueue[xpath.m_opMap[opPos]];
-
- score = dtm.getNodeName(context).equals(name.str())
- ? xpath.MATCH_SCORE_QNAME : xpath.MATCH_SCORE_NONE;
- }
- else if(argLen == 1)
- {
- score = xpath.MATCH_SCORE_NODETEST;
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- xpath.error("Arg length of processing-instruction() node test is
incorrect!");
- }
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- break;
- case xpath.NODETYPE_NODE:
- if((Node.CDATA_SECTION_NODE == nodeType)
- || (Node.TEXT_NODE == nodeType))
- {
- score = (!execContext.shouldStripSourceNode(dtm.getNode( context )))
- ? xpath.MATCH_SCORE_NODETEST : xpath.MATCH_SCORE_NONE;
- }
- else
- {
- score = xpath.MATCH_SCORE_NODETEST;
- }
- break;
- case xpath.NODETYPE_ROOT:
- score = ( (Node.DOCUMENT_FRAGMENT_NODE == nodeType)
- || (Node.DOCUMENT_NODE == nodeType))
- ? xpath.MATCH_SCORE_OTHER : xpath.MATCH_SCORE_NONE;
- break;
-
- case xpath.NODENAME:
- {
- boolean test;
- int queueIndex = xpath.m_opMap[opPos];
- String targetNS = (queueIndex >= 0) ?
(String)xpath.m_tokenQueue[xpath.m_opMap[opPos]]
- : null;
- opPos++;
-
- // From the draft: "Two expanded names are equal if they
- // have the same local part, and either both have no URI or
- // both have the same URI."
- // "A node test * is true for any node of the principal node type.
- // For example, child::* will select all element children of the
- // context node, and attribute::* will select all attributes of
- // the context node."
- // "A node test can have the form NCName:*. In this case, the prefix
- // is expanded in the same way as with a QName using the context
- // namespace declarations. The node test will be true for any node
- // of the principal type whose expanded name has the URI to which
- // the prefix expands, regardless of the local part of the name."
- boolean isTotallyWild = (null == targetNS) && (xpath.m_opMap[opPos] ==
xpath.ELEMWILDCARD);
- boolean processNamespaces = execContext.getProcessNamespaces();
- boolean didMatchNS = false;
- if(!isTotallyWild && processNamespaces)
- {
- String contextNS = dtm.getNamespaceURI(context);
- if((null != targetNS) && (null != contextNS))
- {
- test = contextNS.equals(targetNS);
- didMatchNS = true;
- }
- else
- {
- test = (xpath.ELEMWILDCARD == queueIndex) ||
- (((null == contextNS) || (contextNS.length() == 0)) &&
- ((null == targetNS) || (targetNS.length() == 0)));
- }
- }
- else
- test = true;
-
- queueIndex = xpath.m_opMap[opPos];
- String targetLocalName = (queueIndex >= 0) ?
(String)xpath.m_tokenQueue[xpath.m_opMap[opPos]]
- : null;
-
- if(!test)
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- else
- {
- switch(nodeType)
- {
- case Node.ATTRIBUTE_NODE:
- if(stepType == xpath.FROM_ATTRIBUTES)
- {
-
- if(xpath.ELEMWILDCARD == queueIndex)
- {
- String attrName = dtm.getNodeName(context);
- if(processNamespaces)
- {
- score = (!((attrName.startsWith("xmlns:")
- || attrName.equals("xmlns"))))
- ? xpath.MATCH_SCORE_NODETEST
- : xpath.MATCH_SCORE_NONE;
- }
- else
- {
- score = xpath.MATCH_SCORE_NODETEST;
- }
- }
- else
- {
- String localAttrName = dtm.getLocalName(context);
- score = localAttrName.equals(targetLocalName)
- ? xpath.MATCH_SCORE_QNAME : xpath.MATCH_SCORE_NONE;
- }
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- break;
-
- case Node.ELEMENT_NODE:
- if(stepType != xpath.FROM_ATTRIBUTES)
- {
- if(xpath.ELEMWILDCARD == queueIndex)
- {
- score = (didMatchNS ?
- xpath.MATCH_SCORE_NSWILD : xpath.MATCH_SCORE_NODETEST);
- }
- else
- {
- String elemName = dtm.getLocalName(context);
- score = (elemName.equals(targetLocalName))
- ? xpath.MATCH_SCORE_QNAME : xpath.MATCH_SCORE_NONE;
- }
- }
- else
- {
- score = xpath.MATCH_SCORE_NONE;
- }
- break;
-
- default:
- // Trying to match on anything else causes nasty bugs.
- score = xpath.MATCH_SCORE_NONE;
- break;
-
- } // end switch(nodeType)
- } // end if(test)
- } // end case xpath.NODENAME
- break;
- default:
- score = xpath.MATCH_SCORE_NONE;
- } // end switch(testType)
-
- return score;
- */
- }
}
-
+
/**
* Override the createXLocatorHandler method.
*/
