Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 124 insertions, 0 deletions

diff --git a/db/mork/src/morkRowCellCursor.h b/db/mork/src/morkRowCellCursor.h
new file mode 100644
index 000000000..c9d95a2f2
--- /dev/null
+++ b/db/mork/src/morkRowCellCursor.h
@@ -0,0 +1,124 @@
+/* -*- 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 _MORKROWCELLCURSOR_
+#define _MORKROWCELLCURSOR_ 1
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+#ifndef _MORKCURSOR_
+#include "morkCursor.h"
+#endif
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+class orkinRowCellCursor;
+#define morkDerived_kRowCellCursor  /*i*/ 0x6343 /* ascii 'cC' */
+
+class morkRowCellCursor : public morkCursor, public nsIMdbRowCellCursor { // row iterator
+
+// 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
+
+  NS_DECL_ISUPPORTS_INHERITED
+  morkRowObject*   mRowCellCursor_RowObject;  // strong ref to row
+  mork_column      mRowCellCursor_Col;        // col of cell last at mCursor_Pos
+
+// { ===== begin morkNode interface =====
+public: // morkNode virtual methods
+  virtual void CloseMorkNode(morkEnv* ev) override; // CloseRowCellCursor()
+
+public: // morkRowCellCursor construction & destruction
+  morkRowCellCursor(morkEnv* ev, const morkUsage& inUsage,
+    nsIMdbHeap* ioHeap, morkRowObject* ioRowObject);
+  void CloseRowCellCursor(morkEnv* ev); // called by CloseMorkNode();
+
+  // { ----- begin attribute methods -----
+  NS_IMETHOD SetRow(nsIMdbEnv* ev, nsIMdbRow* ioRow) override; // sets pos to -1
+  NS_IMETHOD GetRow(nsIMdbEnv* ev, nsIMdbRow** acqRow) override;
+  // } ----- end attribute methods -----
+
+  // { ----- begin cell creation methods -----
+  NS_IMETHOD MakeCell( // get cell at current pos in the row
+    nsIMdbEnv* ev, // context
+    mdb_column* outColumn, // column for this particular cell
+    mdb_pos* outPos, // position of cell in row sequence
+    nsIMdbCell** acqCell) override; // the cell at inPos
+  // } ----- end cell creation methods -----
+
+  // { ----- begin cell seeking methods -----
+  NS_IMETHOD SeekCell( // same as SetRow() followed by MakeCell()
+    nsIMdbEnv* ev, // context
+    mdb_pos inPos, // position of cell in row sequence
+    mdb_column* outColumn, // column for this particular cell
+    nsIMdbCell** acqCell) override; // the cell at inPos
+  // } ----- end cell seeking methods -----
+
+  // { ----- begin cell iteration methods -----
+  NS_IMETHOD NextCell( // get next cell in the row
+    nsIMdbEnv* ev, // context
+    nsIMdbCell** acqCell, // changes to the next cell in the iteration
+    mdb_column* outColumn, // column for this particular cell
+    mdb_pos* outPos) override; // position of cell in row sequence
+    
+  NS_IMETHOD PickNextCell( // get next cell in row within filter set
+    nsIMdbEnv* ev, // context
+    nsIMdbCell* ioCell, // changes to the next cell in the iteration
+    const mdbColumnSet* inFilterSet, // col set of actual caller interest
+    mdb_column* outColumn, // column for this particular cell
+    mdb_pos* outPos) override; // position of cell in row sequence
+
+  // Note that inFilterSet should not have too many (many more than 10?)
+  // cols, since this might imply a potential excessive consumption of time
+  // over many cursor calls when looking for column and filter intersection.
+  // } ----- end cell iteration methods -----
+
+
+private: // copying is not allowed
+  morkRowCellCursor(const morkRowCellCursor& other);
+  morkRowCellCursor& operator=(const morkRowCellCursor& other);
+  virtual ~morkRowCellCursor(); // assert that close executed earlier
+
+public: // dynamic type identification
+  mork_bool IsRowCellCursor() const
+  { return IsNode() && mNode_Derived == morkDerived_kRowCellCursor; }
+// } ===== end morkNode methods =====
+
+public: // errors
+  static void NilRowObjectError(morkEnv* ev);
+  static void NonRowCellCursorTypeError(morkEnv* ev);
+
+public: // typesafe refcounting inlines calling inherited morkNode methods
+  static void SlotWeakRowCellCursor(morkRowCellCursor* me,
+    morkEnv* ev, morkRowCellCursor** ioSlot)
+  { morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+  
+  static void SlotStrongRowCellCursor(morkRowCellCursor* me,
+    morkEnv* ev, morkRowCellCursor** ioSlot)
+  { morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+};
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#endif /* _MORKROWCELLCURSOR_ */