Fixed removeNode() as discussed on fop-dev. No more checks for footnotes and removal of nodes even if they are not in the normally expected order.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@421600 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/layoutmgr/BreakingAlgorithm.java

@@ -1010,19 +1010,29 @@ public abstract class BreakingAlgorithm {
     }
 
     /**
-     * Remove the first active node registered for the given line. If there is no more active node
+     * Remove the given active node registered for the given line. If there are no more active nodes
      * for this line, adjust the startLine accordingly.
      * @param line number of the line ending at the node's corresponding breakpoint
      * @param node the node to deactivate
      */
     protected void removeNode(int line, KnuthNode node) {
+        int headIdx = line * 2;
         KnuthNode n = getNode(line);
         if (n != node) {
-            log.error("Should be first");
+            // nodes could be rightly deactivated in a different order
+            KnuthNode prevNode = null;
+            while (n != node) {
+                prevNode = n;
+                n = n.next;
+            }
+            prevNode.next = n.next;
+            if (prevNode.next == null) {
+                activeLines[headIdx + 1] = prevNode;
+            }
         } else {
-            activeLines[line * 2] = node.next;
+            activeLines[headIdx] = node.next;
             if (node.next == null) {
-                activeLines[line * 2 + 1] = null;
+                activeLines[headIdx + 1] = null;
             }
             while (startLine < endLine && getNode(startLine) == null) {
                 startLine++;

src/java/org/apache/fop/layoutmgr/PageBreakingAlgorithm.java

@@ -713,35 +713,6 @@ class PageBreakingAlgorithm extends BreakingAlgorithm {
         removeNode(prevNode.line, prevNode);
     }
 
-    protected void removeNode(int line, KnuthNode node) {
-        KnuthNode n = getNode(line);
-        if (n != node) {
-            if (footnotesPending) {
-                // nodes could be rightly deactivated in a different order
-                KnuthNode prevNode = null;
-                while (n != node) {
-                    prevNode = n;
-                    n = n.next;
-                }
-                prevNode.next = n.next;
-                if (prevNode.next == null) {
-                    activeLines[line * 2 + 1] = prevNode;
-                }
-            } else {
-                log.error("Should be first");
-            }
-        } else {
-            activeLines[line * 2] = node.next;
-            if (node.next == null) {
-                activeLines[line * 2 + 1] = null;
-            }
-            while (startLine < endLine && getNode(startLine) == null) {
-                startLine++;
-            }
-        }
-        activeNodeCount--;
-    }
-    
     /**
      * @return a list of PageBreakPosition elements
      */