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/* -*- 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
// 456789_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:
explicit 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);
}
};
// 456789_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);
};
// 456789_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' into all 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); }
};
// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
#endif /* _MORKBEAD_ */
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