You are viewing a plain text version of this content. The canonical link for it is here.
Posted to fop-commits@xmlgraphics.apache.org by ad...@apache.org on 2011/04/03 12:10:47 UTC

svn commit: r1088242 - in /xmlgraphics/fop/trunk: src/java/org/apache/fop/fo/FObjMixed.java test/layoutengine/standard-testcases/block_white-space_bug50988.xml

Author: adelmelle
Date: Sun Apr  3 10:10:46 2011
New Revision: 1088242

URL: http://svn.apache.org/viewvc?rev=1088242&view=rev
Log:
Bugzilla 50988: Fixed a NullPointerException in case a fo:character was removed due to white-space handling.
Thanks to Matthias Reischenbacher.

Added:
    xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/block_white-space_bug50988.xml
Modified:
    xmlgraphics/fop/trunk/src/java/org/apache/fop/fo/FObjMixed.java

Modified: xmlgraphics/fop/trunk/src/java/org/apache/fop/fo/FObjMixed.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/src/java/org/apache/fop/fo/FObjMixed.java?rev=1088242&r1=1088241&r2=1088242&view=diff
==============================================================================
--- xmlgraphics/fop/trunk/src/java/org/apache/fop/fo/FObjMixed.java (original)
+++ xmlgraphics/fop/trunk/src/java/org/apache/fop/fo/FObjMixed.java Sun Apr  3 10:10:46 2011
@@ -50,6 +50,7 @@ public abstract class FObjMixed extends 
     }
 
     /** {@inheritDoc} */
+    @Override
     protected void characters(char[] data, int start, int length,
                                  PropertyList pList,
                                  Locator locator) throws FOPException {
@@ -64,6 +65,7 @@ public abstract class FObjMixed extends 
     }
 
     /** {@inheritDoc} */
+    @Override
     protected void endOfNode() throws FOPException {
 
         super.endOfNode();
@@ -150,6 +152,7 @@ public abstract class FObjMixed extends 
     }
 
     /** {@inheritDoc} */
+    @Override
     protected void addChildNode(FONode child) throws FOPException {
 
         flushText();
@@ -169,6 +172,17 @@ public abstract class FObjMixed extends 
     }
 
     /** {@inheritDoc} */
+    @Override
+    public void removeChild(FONode child) {
+        super.removeChild(child);
+        if (child == this.currentTextNode) {
+            // reset to following sibling
+            this.currentTextNode = child.siblings != null ? child.siblings[1] : null;
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
     public void finalizeNode() throws FOPException {
 
         flushText();
@@ -183,6 +197,7 @@ public abstract class FObjMixed extends 
      *
      * @return iterator for this object
      */
+    @Override
     public CharIterator charIterator() {
         return new RecursiveCharIterator(this);
     }

Added: xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/block_white-space_bug50988.xml
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/block_white-space_bug50988.xml?rev=1088242&view=auto
==============================================================================
--- xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/block_white-space_bug50988.xml (added)
+++ xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/block_white-space_bug50988.xml Sun Apr  3 10:10:46 2011
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- $Id$ -->
+<testcase>
+  <info>
+    <p>
+      This test checks for a potential NullPointerException due to white-space removal.
+      See also: https://issues.apache.org/bugzilla/show_bug.cgi?id=50988
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="even" page-height="210mm" page-width="148mm">
+          <fo:region-body margin="20mm"/>
+        </fo:simple-page-master>
+      </fo:layout-master-set>
+      <fo:page-sequence master-reference="even">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block><fo:character character=" " hyphenate="false"/></fo:block>
+          <fo:block><fo:character character=" " hyphenate="false"/><fo:character character="A" hyphenate="false"/></fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+    </fo:root>
+  </fo>
+  <!-- Default checks only; should just not throw a NPE -->
+  <checks />
+</testcase>
\ No newline at end of file



---------------------------------------------------------------------
To unsubscribe, e-mail: fop-commits-unsubscribe@xmlgraphics.apache.org
For additional commands, e-mail: fop-commits-help@xmlgraphics.apache.org