XSLTC does ignores non-whitespaces as if they were whitespaces.
---------------------------------------------------------------
Key: XALANJ-2081
URL: http://issues.apache.org/jira/browse/XALANJ-2081
Project: XalanJ2
Type: Bug
Components: XSLTC
Versions: CurrentCVS
Environment: Windows 2000
Reporter: Yash Talwar
Assigned to: Yash Talwar
Fix For: CurrentCVS
Given following stylesheet and input document, Xalan Interpretive and XSLTC has
difference in output.
Example 1:
==========
Stylesheet:
------------
<?xml version="1.1" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0">
<xsl:output method="xml" version="1.1" encoding="UTF-8" />
<xsl:template match="/">
<out></out>
</xsl:template>
</xsl:stylesheet>
Input XML:
-------------
<?xml version="1.1"?>
<doc />
Output using Xalan Interpretive:
--------------------------------
<?xml version="1.1" encoding="UTF-8"?><out></out>
Output using XSLTC:
-------------------
<?xml version="1.1" encoding="UTF-8"?><out/>
Here, Xalan Interpretive has correct ouptut.
Here #x08 is a backspace character. XSLTC treats both characters as whitespace
characters.
Just look at following snippet of java code:
System.out.println(Character.isWhitespace((char)0x08));
System.out.println(Character.isWhitespace((char)0x1f));
String s = "\u0008\u001f";
System.out.println(s.trim().length());
The output for this code snippet is:
false
true
0 // The length here should not be 0.
This shows that 0x08 is not a whitespace character, but trim() method of
java.lang.String treats it as a whitespace character.
I believe the problem lies in the class org.apache.xalan.xsltc.compiler.Text
The following line of code is the probematic:
if (_text.trim().length() == 0) _ignore = true;
In above sample, it can be seen that trim() method is problematic.
I will attach a patch to fix this problem.
Yash Talwar
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