From 92bfae03cba66aab930d355cc208c3bc9def8e42 Mon Sep 17 00:00:00 2001
From: "kvisco%ziplink.net"
 <kvisco%ziplink.net@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 6 Sep 2000 07:05:32 +0000
Subject: [PATCH] Not part of regular build, a=leaf. Added the option to
 destroy objects contained in the list, this feature checks for duplicates in
 the list before deleting.

git-svn-id: svn://10.0.0.236/trunk@78251 18797224-902f-48f8-a5cc-f745e15eee43
---
 .../transformiix/source/base/ArrayList.cpp    | 34 ++++++++++++++++++-
 .../transformiix/source/base/ArrayList.h      |  9 ++++-
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/mozilla/extensions/transformiix/source/base/ArrayList.cpp b/mozilla/extensions/transformiix/source/base/ArrayList.cpp
index ed8ce01bcce..a96be0d1d54 100644
--- a/mozilla/extensions/transformiix/source/base/ArrayList.cpp
+++ b/mozilla/extensions/transformiix/source/base/ArrayList.cpp
@@ -19,7 +19,7 @@
  * Keith Visco, kvisco@ziplink.net
  *    -- original author.
  *
- * $Id: ArrayList.cpp,v 1.1 2000-03-02 09:19:32 kvisco%ziplink.net Exp $
+ * $Id: ArrayList.cpp,v 1.2 2000-09-06 07:05:31 kvisco%ziplink.net Exp $
  */
 
 #include "ArrayList.h"
@@ -116,6 +116,38 @@ void ArrayList::clear() {
     elementCount = 0;
 } //-- clear
 
+/**
+ * Removes all elements from the list
+ * @param deleteObjects allows specifying whether or not to delete the TxObjects
+ * that are currently in the list.
+ * <BR />
+ * Note: If object deletion is enabled this method will check for duplicate references
+ * in the list to prevent possible seg faults and will therefore run slower than an algorithm
+ * that doesn't check for duplicates.
+**/
+void ArrayList::clear(MBool deleteObjects) {
+
+
+    if (deleteObjects) {
+        for (int i = 0; i < elementCount; i++) {
+            if (elements[i]) {
+                TxObject* tmp = elements[i];
+                elements[i] = 0;
+                //-- check for duplicates to avoid attempting to free memory that
+                //-- has already been freed
+                int idx = i+1;
+                for ( ; idx < elementCount; idx++) {
+                    if (elements[idx] == tmp) elements[idx] = 0;
+                }
+                delete tmp;
+            }
+        }
+        elementCount = 0;
+    }
+    else clear();
+
+} //-- clear(MBool);
+
 /**
  * Returns true if the specified TxObject is contained in the list.
  * @param object the TxObject to search for
diff --git a/mozilla/extensions/transformiix/source/base/ArrayList.h b/mozilla/extensions/transformiix/source/base/ArrayList.h
index ee140a46516..6a6e15ba45b 100644
--- a/mozilla/extensions/transformiix/source/base/ArrayList.h
+++ b/mozilla/extensions/transformiix/source/base/ArrayList.h
@@ -19,7 +19,7 @@
  * Keith Visco, kvisco@ziplink.net
  *    -- original author.
  *
- * $Id: ArrayList.h,v 1.1 2000-03-02 09:19:38 kvisco%ziplink.net Exp $
+ * $Id: ArrayList.h,v 1.2 2000-09-06 07:05:32 kvisco%ziplink.net Exp $
  */
 
 /**
@@ -76,6 +76,13 @@ public:
     **/
     void clear();
 
+    /**
+     * Removes all elements from the list
+     * @param deleteObjects allows specifying whether or not to delete the TxObjects
+     * that are currently in the list
+    **/
+    void clear(MBool deleteObjects);
+
     /**
      * Returns true if the specified TxObject is contained in the list.
      * @param object the TxObject to search for