Bugs item #1374352, was opened at 2005-12-06 12:56
Message generated for change (Comment added) made by mpichler
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: getUniquePath for text() may require index
Initial Comment:
An element may have multiple Text children.
Selecting them individually by xpath works, e.g.
dom.selectNodes("/a/text()[1]")
but getUniquePath on the Text node never adds
an index, e.g. returns "/a/text()" in the case above
even when there are other Text siblings (often
whitespace only), "real" text in the attached
example for better illustration).
homer<dot>pichler<at>gmx<dot>net
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Comment By: Michael Pichler (mpichler)
Date: 2005-12-16 14:16
Message:
Logged In: YES
user_id=613551
Hi,
here an implementation of AbstractCharacterData.getUniquePath()
that fixes the problem described (for dom4j 1.6.1):
--- cut here ---
public String getUniquePath(Element context) {
Element parent = getParent();
if ((parent != null) && (parent != context)) {
String ret = parent.getUniquePath(context) +
"/text()";
int n = parent.nodeCount ();
if (n > 1) {
// possibly multiple text() nodes
int numText = 0;
int thisText = 0;
for (int i = 0; i < n; i++) {
Node node = parent.node (i);
if (node instanceof CharacterData) {
numText++;
if (node == this) {
thisText = numText;
}
if (numText > 1 && thisText > 0)
break;
}
}
if (numText > 1) // found multiple text
children: append my index
return ret + '[' + thisText + ']';
}
return ret;
}
return "text()";
}
--- cut here ---
The frequent case of a single Text/CData child is checked
via parent.nodeCount first; only when > 1 all text children
are examined to find the right index.
Hope you find this patch useful and incorporate it into
a future release.
kind regards,
Michael Pichler
----------------------------------------------------------------------
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