1 files changed, 141 insertions, 0 deletions
diff --git a/db/mork/src/morkPortTableCursor.h b/db/mork/src/morkPortTableCursor.h
new file mode 100644
index 0000000000..cc9edaa679
--- /dev/null
+++ b/db/mork/src/morkPortTableCursor.h
@@ -0,0 +1,141 @@
+/* -*- 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 _MORKPORTTABLECURSOR_
+#define _MORKPORTTABLECURSOR_ 1
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+#ifndef _MORKCURSOR_
+#include "morkCursor.h"
+#endif
+
+#ifndef _MORKROWSPACE_
+#include "morkRowSpace.h"
+#endif
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+class orkinPortTableCursor;
+#define morkDerived_kPortTableCursor  /*i*/ 0x7443 /* ascii 'tC' */
+
+class morkPortTableCursor : public morkCursor, public nsIMdbPortTableCursor { // row iterator
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+// public: // slots inherited from morkObject (meant to inform only)
+  // nsIMdbHeap*     mNode_Heap;
+  // mork_able    mNode_Mutable; // can this node be modified?
+  // mork_load    mNode_Load;    // is this node clean or dirty?
+  // mork_base    mNode_Base;    // must equal morkBase_kNode
+  // mork_derived mNode_Derived; // depends on specific node subclass
+  // mork_access  mNode_Access;  // kOpen, kClosing, kShut, or kDead
+  // mork_usage   mNode_Usage;   // kHeap, kStack, kMember, kGlobal, kNone
+  // mork_uses    mNode_Uses;    // refcount for strong refs
+  // mork_refs    mNode_Refs;    // refcount for strong refs + weak refs
+
+  // morkFactory* mObject_Factory;  // weak ref to suite factory
+
+  // mork_seed  mCursor_Seed;
+  // mork_pos   mCursor_Pos;
+  // mork_bool  mCursor_DoFailOnSeedOutOfSync;
+  // mork_u1    mCursor_Pad[ 3 ]; // explicitly pad to u4 alignment
+
+public: // state is public because the entire Mork system is private
+  // { ----- begin attribute methods -----
+  NS_IMETHOD SetPort(nsIMdbEnv* ev, nsIMdbPort* ioPort) override; // sets pos to -1
+  NS_IMETHOD GetPort(nsIMdbEnv* ev, nsIMdbPort** acqPort) override;
+
+  NS_IMETHOD SetRowScope(nsIMdbEnv* ev, // sets pos to -1
+    mdb_scope inRowScope) override;
+  NS_IMETHOD GetRowScope(nsIMdbEnv* ev, mdb_scope* outRowScope) override;
+  // setting row scope to zero iterates over all row scopes in port
+
+  NS_IMETHOD SetTableKind(nsIMdbEnv* ev, // sets pos to -1
+    mdb_kind inTableKind) override;
+  NS_IMETHOD GetTableKind(nsIMdbEnv* ev, mdb_kind* outTableKind) override;
+  // setting table kind to zero iterates over all table kinds in row scope
+  // } ----- end attribute methods -----
+
+  // { ----- begin table iteration methods -----
+  NS_IMETHOD NextTable( // get table at next position in the db
+    nsIMdbEnv* ev, // context
+    nsIMdbTable** acqTable) override; // the next table in the iteration
+  // } ----- end table iteration methods -----
+  morkStore*    mPortTableCursor_Store;  // weak ref to store
+  
+  mdb_scope     mPortTableCursor_RowScope;
+  mdb_kind      mPortTableCursor_TableKind;
+  
+  // We only care if LastTable is non-nil, so it is not refcounted;
+  // so you must never access table state or methods using LastTable:
+  
+  morkTable* mPortTableCursor_LastTable; // nil or last table (no refcount)
+  morkRowSpace* mPortTableCursor_RowSpace; // current space (strong ref)
+
+  morkRowSpaceMapIter mPortTableCursor_SpaceIter; // iter over spaces
+  morkTableMapIter    mPortTableCursor_TableIter; // iter over tables 
+  
+  // these booleans indicate when the table or space iterator is exhausted:
+  
+  mork_bool           mPortTableCursor_TablesDidEnd; // no more tables?
+  mork_bool           mPortTableCursor_SpacesDidEnd; // no more spaces?
+  mork_u1             mPortTableCursor_Pad[ 2 ]; // for u4 alignment
+   
+// { ===== begin morkNode interface =====
+public: // morkNode virtual methods
+  virtual void CloseMorkNode(morkEnv* ev) override; // ClosePortTableCursor()
+
+public: // morkPortTableCursor construction & destruction
+  morkPortTableCursor(morkEnv* ev, const morkUsage& inUsage,
+    nsIMdbHeap* ioHeap, morkStore* ioStore, mdb_scope inRowScope,
+      mdb_kind inTableKind, nsIMdbHeap* ioSlotHeap);
+  void ClosePortTableCursor(morkEnv* ev); // called by CloseMorkNode();
+
+private: // copying is not allowed
+  morkPortTableCursor(const morkPortTableCursor& other);
+  morkPortTableCursor& operator=(const morkPortTableCursor& other);
+
+public: // dynamic type identification
+  mork_bool IsPortTableCursor() const
+  { return IsNode() && mNode_Derived == morkDerived_kPortTableCursor; }
+// } ===== end morkNode methods =====
+
+protected: // utilities
+  virtual ~morkPortTableCursor(); // assert that close executed earlier
+
+  void init_space_tables_map(morkEnv* ev);
+
+public: // other cursor methods
+
+  static void NilCursorStoreError(morkEnv* ev);
+  static void NonPortTableCursorTypeError(morkEnv* ev);
+
+ morkEnv* CanUsePortTableCursor(nsIMdbEnv* mev, mork_bool inMutable,
+                                nsresult* outErr) const;
+
+
+  morkRowSpace* NextSpace(morkEnv* ev);
+  morkTable* NextTable(morkEnv* ev);
+
+  mork_bool SetRowScope(morkEnv* ev, mork_scope inRowScope);
+  mork_bool SetTableKind(morkEnv* ev, mork_kind inTableKind);
+
+public: // typesafe refcounting inlines calling inherited morkNode methods
+  static void SlotWeakPortTableCursor(morkPortTableCursor* me,
+    morkEnv* ev, morkPortTableCursor** ioSlot)
+  { morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+  
+  static void SlotStrongPortTableCursor(morkPortTableCursor* me,
+    morkEnv* ev, morkPortTableCursor** ioSlot)
+  { morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+};
+
+
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#endif /* _MORKPORTTABLECURSOR_ */