1 files changed, 155 insertions, 0 deletions
diff --git a/db/mork/src/morkNodeMap.cpp b/db/mork/src/morkNodeMap.cpp
new file mode 100644
index 0000000000..7178fbafcb
--- /dev/null
+++ b/db/mork/src/morkNodeMap.cpp
@@ -0,0 +1,155 @@
+/* -*- 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
+
+//3456789_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;
+}
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+