Vincent Povirk : ole32: Reduce duplicated code in adjustPropertyChain.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a7e69339dcda3d3360f3b03bac5272f9c1c0176d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a7e69339dcda3d3360f3b03bac5272f9c1c0176d

Author: Vincent Povirk <vincent at codeweavers.com>
Date:   Tue Oct 27 16:48:39 2009 -0500

ole32: Reduce duplicated code in adjustPropertyChain.

Most of the work is the same regardless of relation type, so bring
those parts out of the relation type test.

---

 dlls/ole32/storage32.c |  106 +++++++++--------------------------------------
 1 files changed, 21 insertions(+), 85 deletions(-)

diff --git a/dlls/ole32/storage32.c b/dlls/ole32/storage32.c
index fe74fb9..470dc83 100644
--- a/dlls/ole32/storage32.c
+++ b/dlls/ole32/storage32.c
@@ -2135,107 +2135,43 @@ static HRESULT adjustPropertyChain(
   HRESULT hr                     = S_OK;
   BOOL  res                    = TRUE;
 
-  if (typeOfRelation == PROPERTY_RELATION_PREVIOUS)
+  if (propertyToDelete.leftChild != PROPERTY_NULL)
   {
-    if (propertyToDelete.leftChild != PROPERTY_NULL)
-    {
-      /*
-       * Set the parent previous to the property to delete previous
-       */
-      newLinkProperty = propertyToDelete.leftChild;
+    /*
+     * Replace the deleted entry with its left child
+     */
+    newLinkProperty = propertyToDelete.leftChild;
 
-      if (propertyToDelete.rightChild != PROPERTY_NULL)
-      {
-        /*
-         * We also need to find a storage for the other link, setup variables
-         * to do this at the end...
-         */
-        needToFindAPlaceholder = TRUE;
-        storeNode              = propertyToDelete.leftChild;
-        toStoreNode            = propertyToDelete.rightChild;
-        relationType           = PROPERTY_RELATION_NEXT;
-      }
-    }
-    else if (propertyToDelete.rightChild != PROPERTY_NULL)
+    if (propertyToDelete.rightChild != PROPERTY_NULL)
     {
       /*
-       * Set the parent previous to the property to delete next
+       * We also need to find a place for the other link, setup variables
+       * to do this at the end...
        */
-      newLinkProperty = propertyToDelete.rightChild;
+      needToFindAPlaceholder = TRUE;
+      storeNode              = propertyToDelete.leftChild;
+      toStoreNode            = propertyToDelete.rightChild;
+      relationType           = PROPERTY_RELATION_NEXT;
     }
-
+  }
+  else if (propertyToDelete.rightChild != PROPERTY_NULL)
+  {
     /*
-     * Link it for real...
+     * Replace the deleted entry with its right child
      */
-    parentProperty.leftChild = newLinkProperty;
+    newLinkProperty = propertyToDelete.rightChild;
+  }
 
+  if (typeOfRelation == PROPERTY_RELATION_PREVIOUS)
+  {
+    parentProperty.leftChild = newLinkProperty;
   }
   else if (typeOfRelation == PROPERTY_RELATION_NEXT)
   {
-    if (propertyToDelete.leftChild != PROPERTY_NULL)
-    {
-      /*
-       * Set the parent next to the property to delete next previous
-       */
-      newLinkProperty = propertyToDelete.leftChild;
-
-      if (propertyToDelete.rightChild != PROPERTY_NULL)
-      {
-        /*
-         * We also need to find a storage for the other link, setup variables
-         * to do this at the end...
-         */
-        needToFindAPlaceholder = TRUE;
-        storeNode              = propertyToDelete.leftChild;
-        toStoreNode            = propertyToDelete.rightChild;
-        relationType           = PROPERTY_RELATION_NEXT;
-      }
-    }
-    else if (propertyToDelete.rightChild != PROPERTY_NULL)
-    {
-      /*
-       * Set the parent next to the property to delete next
-       */
-      newLinkProperty = propertyToDelete.rightChild;
-    }
-
-    /*
-     * Link it for real...
-     */
     parentProperty.rightChild = newLinkProperty;
   }
   else /* (typeOfRelation == PROPERTY_RELATION_DIR) */
   {
-    if (propertyToDelete.leftChild != PROPERTY_NULL)
-    {
-      /*
-       * Set the parent dir to the property to delete previous
-       */
-      newLinkProperty = propertyToDelete.leftChild;
-
-      if (propertyToDelete.rightChild != PROPERTY_NULL)
-      {
-        /*
-         * We also need to find a storage for the other link, setup variables
-         * to do this at the end...
-         */
-        needToFindAPlaceholder = TRUE;
-        storeNode              = propertyToDelete.leftChild;
-        toStoreNode            = propertyToDelete.rightChild;
-        relationType           = PROPERTY_RELATION_NEXT;
-      }
-    }
-    else if (propertyToDelete.rightChild != PROPERTY_NULL)
-    {
-      /*
-       * Set the parent dir to the property to delete next
-       */
-      newLinkProperty = propertyToDelete.rightChild;
-    }
-
-    /*
-     * Link it for real...
-     */
     parentProperty.dirProperty = newLinkProperty;
   }