Hi,
I'm having problems accessing JIRA at the moment, but I just committed a patch for the bug below. Problem was unrelated to recursion, it was a more basic problem involving operands of a certain type and arithmetic operators.
Hope this helps.
-- Santiago
On Dec 1, 2004, at 7:11 PM, Nick Sayer (JIRA) wrote:
XSLTC tail recursion outputs backwards --------------------------------------
Key: XALANJ-2003 URL: http://nagoya.apache.org/jira/browse/XALANJ-2003 Project: XalanJ2 Type: Bug Components: XSLTC Environment: J2SE 1.5. Also when using xsltc.jar from xalan-j_2_6_0 Reporter: Nick Sayer
Files:
test-data.xml:
<?xml version="1.0" encoding="utf-8"?>
<rating>3</rating>
test-temp.xml:
<?xml version="1.0" encoding="utf-8"?>
<rating>3</rating> %less test-temp.xml <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";> <xsl:output method="html"/> <xsl:template match="/">
<html> <body> <xsl:call-template name="showRating"> <xsl:with-param name="num" select="'1'"/> </xsl:call-template> </body> </html> </xsl:template>
<!-- SHOW RATED STARS --> <xsl:template name="showRating"> <xsl:param name="num"/>
<xsl:if test="$num <= rating"> <img border="0" src="yellow_star.gif" valign="absmiddle"/> </xsl:if> <xsl:if test="$num > rating"> <img border="0" src="white_star.gif" valign="absmiddle"/> </xsl:if>
<xsl:if test="$num <= '4'">
<xsl:text> </xsl:text> <!-- CRLF -->
<xsl:call-template name="showRating"> <xsl:with-param name="num" select="$num + 1" /> </xsl:call-template>
</xsl:if>
</xsl:template> </xsl:stylesheet>
testxslt.java:
import java.io.*; import javax.xml.transform.*; import javax.xml.transform.stream.*;
public class testxslt { public static void main(String[] args) { try { new testxslt(); } catch(Throwable t) { System.err.println(t + ": " + t.getMessage()); t.printStackTrace(); } }
private testxslt() throws Exception { String stylesheet = readFile("test-temp.xml"); String data = readFile("test-data.xml"); String out = transform(stylesheet, data); System.out.println(out); }
private String readFile(String filename) throws IOException { StringBuffer out = new StringBuffer(); Reader r = new FileReader(filename); int count; char buf[] = new char[1024]; while((count = r.read(buf)) > 0) out.append(buf, 0, count); r.close(); return out.toString(); }
private String transform(String stylesheet, String data) throws Exception {
ByteArrayOutputStream resultStream = new ByteArrayOutputStream();
StreamResult transStreamResult = new StreamResult(resultStream);
Source xmlData = new StreamSource(new StringReader(data));
StreamSource styleSource = new StreamSource(new StringReader(stylesheet));
TransformerFactory tf = TransformerFactory.newInstance();
//tf.setAttribute("debug", Boolean.TRUE);
Templates t = tf.newTemplates(styleSource); Transformer trans = t.newTransformer();
trans.transform(xmlData, transStreamResult); return resultStream.toString(); }
}
If I add xalan.jar to the classpath, or if I run with J2SE 1.4 and add nothing to the classpath, the yellow stars are (correctly) printed first.
If I run j2se 1.5 with no classpath additions, or if I add xsltc.jar to the classpath, the white stars are printed first.
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