jkesselm 01/08/28 11:18:32
Modified: java/src/org/apache/xml/dtm/ref DTMDefaultBase.java
Log:
added dumpNode method, convenience for debugging.
We might want to move this function up to DTMDefaultBase, or
perhaps to the DTM API itself.
Revision Changes Path
1.17 +76 -0 xml-xalan/java/src/org/apache/xml/dtm/ref/DTMDefaultBase.java
Index: DTMDefaultBase.java
===================================================================
RCS file: /home/cvs/xml-xalan/java/src/org/apache/xml/dtm/ref/DTMDefaultBase.java,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -r1.16 -r1.17
--- DTMDefaultBase.java 2001/08/24 04:49:31 1.16
+++ DTMDefaultBase.java 2001/08/28 18:18:32 1.17
@@ -779,6 +779,82 @@
System.exit(-1);
}
}
+
+ /**
+ * Diagnostics function to dump a single node.
+ *
+ * %REVIEW% KNOWN GLITCH: If you pass it a node index rather than a
+ * node handle, it works just fine... but the displayed identity
+ * number before the colon is different, which complicates comparing
+ * it with nodes printed the other way. We could always OR the DTM ID
+ * into the value, to suppress that distinction...
+ *
+ * %REVIEW% This might want to be moved up to DTMDefaultBase, or possibly
+ * DTM itself, since it's a useful diagnostic and uses only DTM's public
+ * APIs.
+ */
+ public String dumpNode(int nodeHandle)
+ {
+ if(nodeHandle==DTM.NULL)
+ return "[null]";
+
+ String typestring;
+ switch (getNodeType(nodeHandle))
+ {
+ case DTM.ATTRIBUTE_NODE :
+ typestring = "ATTR";
+ break;
+ case DTM.CDATA_SECTION_NODE :
+ typestring = "CDATA";
+ break;
+ case DTM.COMMENT_NODE :
+ typestring = "COMMENT";
+ break;
+ case DTM.DOCUMENT_FRAGMENT_NODE :
+ typestring = "DOC_FRAG";
+ break;
+ case DTM.DOCUMENT_NODE :
+ typestring = "DOC";
+ break;
+ case DTM.DOCUMENT_TYPE_NODE :
+ typestring = "DOC_TYPE";
+ break;
+ case DTM.ELEMENT_NODE :
+ typestring = "ELEMENT";
+ break;
+ case DTM.ENTITY_NODE :
+ typestring = "ENTITY";
+ break;
+ case DTM.ENTITY_REFERENCE_NODE :
+ typestring = "ENT_REF";
+ break;
+ case DTM.NAMESPACE_NODE :
+ typestring = "NAMESPACE";
+ break;
+ case DTM.NOTATION_NODE :
+ typestring = "NOTATION";
+ break;
+ case DTM.NULL :
+ typestring = "null";
+ break;
+ case DTM.PROCESSING_INSTRUCTION_NODE :
+ typestring = "PI";
+ break;
+ case DTM.TEXT_NODE :
+ typestring = "TEXT";
+ break;
+ default :
+ typestring = "Unknown!";
+ break;
+ }
+
+ StringBuffer sb=new StringBuffer();
+ sb.append("["+nodeHandle+": "+typestring+
+
"(0x"+Integer.toHexString(getExpandedTypeID(nodeHandle))+") "+
+ getNodeNameX(nodeHandle)+"
{"+getNamespaceURI(nodeHandle)+"}"+
+ "=\""+ getNodeValue(nodeHandle)+"\"]");
+ return sb.toString();
+ }
// ========= DTM Implementation Control Functions. ==============
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