1 files changed, 139 insertions, 0 deletions
diff --git a/comm/mailnews/db/mork/morkNodeMap.cpp b/comm/mailnews/db/mork/morkNodeMap.cpp
new file mode 100644
index 0000000000..a01b688b16
--- /dev/null
+++ b/comm/mailnews/db/mork/morkNodeMap.cpp
@@ -0,0 +1,139 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-  */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _MDB_
+#  include "mdb.h"
+#endif
+
+#ifndef _MORK_
+#  include "mork.h"
+#endif
+
+#ifndef _MORKNODE_
+#  include "morkNode.h"
+#endif
+
+#ifndef _MORKENV_
+#  include "morkEnv.h"
+#endif
+
+#ifndef _MORKMAP_
+#  include "morkMap.h"
+#endif
+
+#ifndef _MORKINTMAP_
+#  include "morkIntMap.h"
+#endif
+
+#ifndef _MORKNODEMAP_
+#  include "morkNodeMap.h"
+#endif
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+// ````` ````` ````` ````` `````
+// { ===== begin morkNode interface =====
+
+/*public virtual*/ void morkNodeMap::CloseMorkNode(
+    morkEnv* ev)  // CloseNodeMap() only if open
+{
+  if (this->IsOpenNode()) {
+    this->MarkClosing();
+    this->CloseNodeMap(ev);
+    this->MarkShut();
+  }
+}
+
+/*public virtual*/
+morkNodeMap::~morkNodeMap()  // assert CloseNodeMap() executed earlier
+{
+  MORK_ASSERT(this->IsShutNode());
+}
+
+/*public non-poly*/
+morkNodeMap::morkNodeMap(morkEnv* ev, const morkUsage& inUsage,
+                         nsIMdbHeap* ioHeap, nsIMdbHeap* ioSlotHeap)
+    : morkIntMap(ev, inUsage, /*valsize*/ sizeof(morkNode*), ioHeap, ioSlotHeap,
+                 /*inHoldChanges*/ morkBool_kTrue) {
+  if (ev->Good()) mNode_Derived = morkDerived_kNodeMap;
+}
+
+/*public non-poly*/ void morkNodeMap::CloseNodeMap(
+    morkEnv* ev)  // called by CloseMorkNode();
+{
+  if (this->IsNode()) {
+    this->CutAllNodes(ev);
+    this->CloseMap(ev);
+    this->MarkShut();
+  } else
+    this->NonNodeError(ev);
+}
+
+// } ===== end morkNode methods =====
+// ````` ````` ````` ````` `````
+
+mork_bool morkNodeMap::AddNode(morkEnv* ev, mork_token inToken,
+                               morkNode* ioNode)
+// the AddNode() method return value equals ev->Good().
+{
+  if (ioNode && ev->Good()) {
+    morkNode* node = 0;  // old val in the map
+
+    mork_bool put = this->Put(ev, &inToken, &ioNode,
+                              /*key*/ (void*)0, &node, (mork_change**)0);
+
+    if (put)  // replaced an existing value for key inToken?
+    {
+      if (node && node != ioNode)  // need to release old node?
+        node->CutStrongRef(ev);
+    }
+
+    if (ev->Bad() || !ioNode->AddStrongRef(ev)) {
+      // problems adding node or increasing refcount?
+      this->Cut(ev, &inToken,  // make sure not in map
+                /*key*/ (void*)0, /*val*/ (void*)0, (mork_change**)0);
+    }
+  } else if (!ioNode)
+    ev->NilPointerError();
+
+  return ev->Good();
+}
+
+mork_bool morkNodeMap::CutNode(morkEnv* ev, mork_token inToken) {
+  morkNode* node = 0;  // old val in the map
+  mork_bool outCutNode = this->Cut(ev, &inToken,
+                                   /*key*/ (void*)0, &node, (mork_change**)0);
+  if (node) node->CutStrongRef(ev);
+
+  return outCutNode;
+}
+
+morkNode* morkNodeMap::GetNode(morkEnv* ev, mork_token inToken)
+// Note the returned node does NOT have an increase in refcount for this.
+{
+  morkNode* node = 0;  // old val in the map
+  this->Get(ev, &inToken, /*key*/ (void*)0, &node, (mork_change**)0);
+
+  return node;
+}
+
+mork_num morkNodeMap::CutAllNodes(morkEnv* ev)
+// CutAllNodes() releases all the reference node values.
+{
+  mork_num outSlots = mMap_Slots;
+  mork_token key = 0;  // old key token in the map
+  morkNode* val = 0;   // old val node in the map
+
+  mork_change* c = 0;
+  morkNodeMapIter i(ev, this);
+  for (c = i.FirstNode(ev, &key, &val); c; c = i.NextNode(ev, &key, &val)) {
+    if (val) val->CutStrongRef(ev);
+    i.CutHereNode(ev, /*key*/ (mork_token*)0, /*val*/ (morkNode**)0);
+  }
+
+  return outSlots;
+}
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789