1 files changed, 179 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/ipc/ipcd/extensions/transmngr/common/tmVector.cpp b/src/libs/xpcom18a4/ipc/ipcd/extensions/transmngr/common/tmVector.cpp
new file mode 100644
index 00000000..99213f27
--- /dev/null
+++ b/src/libs/xpcom18a4/ipc/ipcd/extensions/transmngr/common/tmVector.cpp
@@ -0,0 +1,179 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Transaction Manager.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2003
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   John Gaunt <jgaunt@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <stdlib.h>
+#include "tmVector.h"
+#ifdef VBOX_USE_IPRT_IN_XPCOM
+# include <iprt/mem.h>
+#endif
+
+////////////////////////////////////////////////////////////////////////////
+// Constructor(s) & Destructor
+
+// can not be responsible for reclaiming memory pointed to by the void*s in
+//   the collection - how would we reclaim, don't know how they were allocated
+tmVector::~tmVector() {
+  if (mElements)
+#ifdef VBOX_USE_IPRT_IN_XPCOM
+    RTMemFree((void*)mElements);
+#else
+    free((void*)mElements);
+#endif
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Public Member Functions
+
+nsresult
+tmVector::Init() {
+
+#ifdef VBOX_USE_IPRT_IN_XPCOM
+  mElements = (void**) RTMemAllocZ (mCapacity * sizeof(void*));
+#else
+  mElements = (void**) calloc (mCapacity, sizeof(void*));
+#endif
+  if (!mElements)
+    return NS_ERROR_OUT_OF_MEMORY;
+  return NS_OK;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// mutators
+
+PRInt32
+tmVector::Append(void *aElement){
+  PR_ASSERT(aElement);
+
+  // make sure there is room
+  if (mNext == mCapacity)
+    if (NS_FAILED(Grow()))
+      return -1;
+
+  // put the element in the array
+  mElements[mNext] = aElement;
+  mCount++;
+
+  // encapsulates the index into a success value
+  return mNext++; // post increment.
+}
+
+void
+tmVector::Remove(void *aElement) {
+  PR_ASSERT(aElement);
+
+  for (PRUint32 index = 0; index < mNext; index++) {
+    if (mElements[index] == aElement) {
+      mElements[index] = nsnull;
+      mCount--;
+      if (index == mNext-1) {   // if we removed the last element
+        mNext--;
+        // don't test for success of the shrink
+        Shrink();
+      }
+    }
+  }
+}
+
+void
+tmVector::RemoveAt(PRUint32 aIndex) {
+  PR_ASSERT(aIndex < mNext);
+
+  // remove the element if it isn't already nsnull
+  if (mElements[aIndex] != nsnull) {
+    mElements[aIndex] = nsnull;
+    mCount--;
+    if (aIndex == mNext-1) {   // if we removed the last element
+      mNext--;
+      // don't test for success of the shrink
+      Shrink();
+    }
+  }
+}
+
+//void*
+//tmVector::operator[](int index) {
+//  if (index < mNext && index >= 0)
+//    return mElements[index];
+//  return nsnull;
+//}
+
+// Does not delete any of the data, merely removes references to them
+void
+tmVector::Clear(){
+  memset(mElements, 0, mCapacity);
+  mCount = 0;
+  mNext = 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// Protected Member Functions
+
+// increases the capacity by the growth increment
+nsresult
+tmVector::Grow() {
+
+  PRUint32 newcap = mCapacity + GROWTH_INC;
+#ifdef VBOX_USE_IPRT_IN_XPCOM
+  mElements = (void**) RTMemRealloc(mElements, (newcap * sizeof(void*)));
+#else
+  mElements = (void**) realloc(mElements, (newcap * sizeof(void*)));
+#endif
+  if (mElements) {
+    mCapacity = newcap;
+    return NS_OK;
+  }
+  return NS_ERROR_FAILURE;
+}
+
+// reduces the capacity by the growth increment. leaves room
+//   for one more add before needing to Grow().
+nsresult
+tmVector::Shrink() {
+
+  PRUint32 newcap = mCapacity - GROWTH_INC;
+  if (mNext < newcap) {
+#ifdef VBOX_USE_IPRT_IN_XPCOM
+    mElements = (void**) RTMemRealloc(mElements, newcap * sizeof(void*));
+#else
+    mElements = (void**) realloc(mElements, newcap * sizeof(void*));
+#endif
+    if (!mElements)
+      return NS_ERROR_OUT_OF_MEMORY;
+    mCapacity = newcap;
+  }
+  return NS_OK;
+}