1 files changed, 245 insertions, 0 deletions
diff --git a/db/mork/src/morkBead.h b/db/mork/src/morkBead.h
new file mode 100644
index 0000000000..83ceef2f41
--- /dev/null
+++ b/db/mork/src/morkBead.h
@@ -0,0 +1,245 @@
+/* -*- 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 _MORKBEAD_
+#define _MORKBEAD_ 1
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+#ifndef _MORKNODE_
+#include "morkNode.h"
+#endif
+
+#ifndef _MORKMAP_
+#include "morkMap.h"
+#endif
+
+#ifndef _MORKPROBEMAP_
+#include "morkProbeMap.h"
+#endif
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#define morkDerived_kBead   /*i*/ 0x426F /* ascii 'Bo' */
+
+/*| morkBead: subclass of morkNode that adds knowledge of db suite factory
+**| and containing port to those objects that are exposed as instances of
+**| nsIMdbBead in the public interface.
+|*/
+class morkBead : public morkNode { 
+
+// public: // slots inherited from morkNode (meant to inform only)
+  // nsIMdbHeap*    mNode_Heap;
+
+  // 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_able      mNode_Mutable;  // can this node be modified?
+  // mork_load      mNode_Load;     // is this node clean or dirty?
+  
+  // mork_uses      mNode_Uses;     // refcount for strong refs
+  // mork_refs      mNode_Refs;     // refcount for strong refs + weak refs
+  
+public: // state is public because the entire Mork system is private
+
+  mork_color      mBead_Color;   // ID for this bead
+
+public: // Hash() and Equal() for bead maps are same for all subclasses:
+
+  mork_u4 BeadHash() const { return (mork_u4) mBead_Color; }
+  mork_bool BeadEqual(const morkBead* inBead) const
+  { return ( mBead_Color == inBead->mBead_Color); }
+  
+// { ===== begin morkNode interface =====
+public: // morkNode virtual methods
+  virtual void CloseMorkNode(morkEnv* ev) override; // CloseBead() only if open
+  virtual ~morkBead(); // assert that CloseBead() executed earlier
+  
+public: // special case for stack construction for map usage:
+  morkBead(mork_color inBeadColor); // stack-based bead instance
+  
+protected: // special case for morkObject:
+  morkBead(const morkUsage& inUsage, nsIMdbHeap* ioHeap,
+    mork_color inBeadColor);
+  
+public: // morkEnv construction & destruction
+  morkBead(morkEnv* ev, const morkUsage& inUsage, nsIMdbHeap* ioHeap, 
+     mork_color inBeadColor);
+  void CloseBead(morkEnv* ev); // called by CloseMorkNode();
+
+private: // copying is not allowed
+  morkBead(const morkBead& other);
+  morkBead& operator=(const morkBead& other);
+
+public: // dynamic type identification
+  mork_bool IsBead() const
+  { return IsNode() && mNode_Derived == morkDerived_kBead; }
+// } ===== end morkNode methods =====
+
+  // void NewNilHandleError(morkEnv* ev); // mBead_Handle is nil
+  
+public: // typesafe refcounting inlines calling inherited morkNode methods
+  static void SlotWeakBead(morkBead* me,
+    morkEnv* ev, morkBead** ioSlot)
+  { morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+  
+  static void SlotStrongBead(morkBead* me,
+    morkEnv* ev, morkBead** ioSlot)
+  { morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+};
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#define morkDerived_kBeadMap  /*i*/ 0x744D /* ascii 'bM' */
+
+/*| morkBeadMap: maps bead -> bead (key only using mBead_Color)
+|*/
+class morkBeadMap : public morkMap {
+
+
+// { ===== begin morkNode interface =====
+public: // morkNode virtual methods
+  virtual void CloseMorkNode(morkEnv* ev) override; // CloseBeadMap() only if open
+  virtual ~morkBeadMap(); // assert that CloseBeadMap() executed earlier
+  
+public: // morkMap construction & destruction
+  morkBeadMap(morkEnv* ev, const morkUsage& inUsage,
+    nsIMdbHeap* ioHeap, nsIMdbHeap* ioSlotHeap);
+  void CloseBeadMap(morkEnv* ev); // called by CloseMorkNode();
+
+public: // dynamic type identification
+  mork_bool IsBeadMap() const
+  { return IsNode() && mNode_Derived == morkDerived_kBeadMap; }
+// } ===== end morkNode methods =====
+
+// { ===== begin morkMap poly interface =====
+public:
+  virtual mork_bool // *((mork_u4*) inKeyA) == *((mork_u4*) inKeyB)
+  Equal(morkEnv* ev, const void* inKeyA, const void* inKeyB) const override;
+
+  virtual mork_u4 // some integer function of *((mork_u4*) inKey)
+  Hash(morkEnv* ev, const void* inKey) const override;
+// } ===== end morkMap poly interface =====
+
+public: // other map methods
+
+  mork_bool  AddBead(morkEnv* ev, morkBead* ioBead);
+  // the AddBead() boolean return equals ev->Good().
+
+  mork_bool  CutBead(morkEnv* ev, mork_color inColor);
+  // The CutBead() boolean return indicates whether removal happened. 
+  
+  morkBead*  GetBead(morkEnv* ev, mork_color inColor);
+  // Note the returned bead does NOT have an increase in refcount for this.
+
+  mork_num CutAllBeads(morkEnv* ev);
+  // CutAllBeads() releases all the referenced beads.
+};
+
+class morkBeadMapIter: public morkMapIter{ // typesafe wrapper class
+
+public:
+  morkBeadMapIter(morkEnv* ev, morkBeadMap* ioMap)
+  : morkMapIter(ev, ioMap) { }
+ 
+  morkBeadMapIter( ) : morkMapIter()  { }
+  void InitBeadMapIter(morkEnv* ev, morkBeadMap* ioMap)
+  { this->InitMapIter(ev, ioMap); }
+   
+  morkBead* FirstBead(morkEnv* ev);
+  morkBead* NextBead(morkEnv* ev);
+  morkBead* HereBead(morkEnv* ev);
+  void      CutHereBead(morkEnv* ev);
+  
+};
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#define morkDerived_kBeadProbeMap  /*i*/ 0x6D74 /* ascii 'mb' */
+
+/*| morkBeadProbeMap: maps bead -> bead (key only using mBead_Color)
+|*/
+class morkBeadProbeMap : public morkProbeMap {
+
+
+// { ===== begin morkNode interface =====
+public: // morkNode virtual methods
+  virtual void CloseMorkNode(morkEnv* ev) override; // CloseBeadProbeMap() only if open
+  virtual ~morkBeadProbeMap(); // assert that CloseBeadProbeMap() executed earlier
+
+public: // morkMap construction & destruction
+  morkBeadProbeMap(morkEnv* ev, const morkUsage& inUsage,
+    nsIMdbHeap* ioHeap, nsIMdbHeap* ioSlotHeap);
+  void CloseBeadProbeMap(morkEnv* ev); // called by CloseMorkNode();
+
+public: // dynamic type identification
+  mork_bool IsBeadProbeMap() const
+  { return IsNode() && mNode_Derived == morkDerived_kBeadProbeMap; }
+// } ===== end morkNode methods =====
+
+  // { ===== begin morkProbeMap methods =====
+public:
+  virtual mork_test // hit(a,b) implies hash(a) == hash(b)
+  MapTest(morkEnv* ev, const void* inMapKey, const void* inAppKey) const override;
+
+  virtual mork_u4 // hit(a,b) implies hash(a) == hash(b)
+  MapHash(morkEnv* ev, const void* inAppKey) const override;
+
+  virtual mork_u4 ProbeMapHashMapKey(morkEnv* ev, const void* inMapKey) const override;
+
+  // virtual mork_bool ProbeMapIsKeyNil(morkEnv* ev, void* ioMapKey);
+
+  // virtual void ProbeMapClearKey(morkEnv* ev, // put 'nil' alls keys inside map
+  //   void* ioMapKey, mork_count inKeyCount); // array of keys inside map
+
+  // virtual void ProbeMapPushIn(morkEnv* ev, // move (key,val) into the map
+  //   const void* inAppKey, const void* inAppVal, // (key,val) outside map
+  //   void* outMapKey, void* outMapVal);      // (key,val) inside map
+
+  // virtual void ProbeMapPullOut(morkEnv* ev, // move (key,val) out from the map
+  //   const void* inMapKey, const void* inMapVal, // (key,val) inside map
+  //   void* outAppKey, void* outAppVal) const;    // (key,val) outside map
+  // } ===== end morkProbeMap methods =====
+
+public: // other map methods
+
+  mork_bool  AddBead(morkEnv* ev, morkBead* ioBead);
+  // the AddBead() boolean return equals ev->Good().
+  
+  morkBead*  GetBead(morkEnv* ev, mork_color inColor);
+  // Note the returned bead does NOT have an increase in refcount for this.
+
+  mork_num   CutAllBeads(morkEnv* ev);
+  // CutAllBeads() releases all the referenced bead values.
+};
+
+class morkBeadProbeMapIter: public morkProbeMapIter { // typesafe wrapper class
+
+public:
+  morkBeadProbeMapIter(morkEnv* ev, morkBeadProbeMap* ioMap)
+  : morkProbeMapIter(ev, ioMap) { }
+ 
+  morkBeadProbeMapIter( ) : morkProbeMapIter()  { }
+  void InitBeadProbeMapIter(morkEnv* ev, morkBeadProbeMap* ioMap)
+  { this->InitProbeMapIter(ev, ioMap); }
+   
+  morkBead* FirstBead(morkEnv* ev)
+  { return (morkBead*) this->IterFirstKey(ev); }
+  
+  morkBead* NextBead(morkEnv* ev)
+  { return (morkBead*) this->IterNextKey(ev); }
+  
+  morkBead* HereBead(morkEnv* ev)
+  { return (morkBead*) this->IterHereKey(ev); }
+  
+};
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#endif /* _MORKBEAD_ */