1 files changed, 70 insertions, 0 deletions
diff --git a/comm/mailnews/db/mork/morkYarn.cpp b/comm/mailnews/db/mork/morkYarn.cpp
new file mode 100644
index 0000000000..013b36c754
--- /dev/null
+++ b/comm/mailnews/db/mork/morkYarn.cpp
@@ -0,0 +1,70 @@
+/* -*- 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 _MORKYARN_
+#  include "morkYarn.h"
+#endif
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+// ````` ````` ````` ````` `````
+// { ===== begin morkNode interface =====
+
+/*public virtual*/ void morkYarn::CloseMorkNode(
+    morkEnv* ev) /*i*/  // CloseYarn() only if open
+{
+  if (this->IsOpenNode()) {
+    this->MarkClosing();
+    this->CloseYarn(ev);
+    this->MarkShut();
+  }
+}
+
+/*public virtual*/
+morkYarn::~morkYarn() /*i*/  // assert CloseYarn() executed earlier
+{
+  MORK_ASSERT(mYarn_Body.mYarn_Buf == 0);
+}
+
+/*public non-poly*/
+morkYarn::morkYarn(morkEnv* ev, /*i*/
+                   const morkUsage& inUsage, nsIMdbHeap* ioHeap)
+    : morkNode(ev, inUsage, ioHeap) {
+  if (ev->Good()) mNode_Derived = morkDerived_kYarn;
+}
+
+/*public non-poly*/ void morkYarn::CloseYarn(
+    morkEnv* ev) /*i*/  // called by CloseMorkNode();
+{
+  if (this->IsNode())
+    this->MarkShut();
+  else
+    this->NonNodeError(ev);
+}
+
+// } ===== end morkNode methods =====
+// ````` ````` ````` ````` `````
+
+/*static*/ void morkYarn::NonYarnTypeError(morkEnv* ev) {
+  ev->NewError("non morkYarn");
+}
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789