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Diffstat (limited to 'db/mork/src/morkThumb.h')
| -rw-r--r-- | db/mork/src/morkThumb.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/db/mork/src/morkThumb.h b/db/mork/src/morkThumb.h new file mode 100644 index 0000000000..f17aee9a55 --- /dev/null +++ b/db/mork/src/morkThumb.h @@ -0,0 +1,180 @@ +/* -*- 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 _MORKTHUMB_ +#define _MORKTHUMB_ 1 + +#ifndef _MORK_ +#include "mork.h" +#endif + +#ifndef _MORKNODE_ +#include "morkNode.h" +#endif + +#ifndef _MORKOBJECT_ +#include "morkObject.h" +#endif + +//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 + + +#define morkThumb_kMagic_OpenFilePort 1 /* factory method */ +#define morkThumb_kMagic_OpenFileStore 2 /* factory method */ +#define morkThumb_kMagic_ExportToFormat 3 /* port method */ +#define morkThumb_kMagic_ImportContent 4 /* store method */ +#define morkThumb_kMagic_LargeCommit 5 /* store method */ +#define morkThumb_kMagic_SessionCommit 6 /* store method */ +#define morkThumb_kMagic_CompressCommit 7 /* store method */ +#define morkThumb_kMagic_SearchManyColumns 8 /* table method */ +#define morkThumb_kMagic_NewSortColumn 9 /* table metho) */ +#define morkThumb_kMagic_NewSortColumnWithCompare 10 /* table method */ +#define morkThumb_kMagic_CloneSortColumn 11 /* table method */ +#define morkThumb_kMagic_AddIndex 12 /* table method */ +#define morkThumb_kMagic_CutIndex 13 /* table method */ + +#define morkDerived_kThumb /*i*/ 0x5468 /* ascii 'Th' */ + +/*| morkThumb: +|*/ +class morkThumb : public morkObject, public nsIMdbThumb { + +// 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 + + // mork_color mBead_Color; // ID for this bead + // morkHandle* mObject_Handle; // weak ref to handle for this object + +public: // state is public because the entire Mork system is private + NS_DECL_ISUPPORTS_INHERITED + +// { ===== begin nsIMdbThumb methods ===== + NS_IMETHOD GetProgress(nsIMdbEnv* ev, mdb_count* outTotal, + mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken) override; + + NS_IMETHOD DoMore(nsIMdbEnv* ev, mdb_count* outTotal, + mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken) override; + + NS_IMETHOD CancelAndBreakThumb(nsIMdbEnv* ev) override; +// } ===== end nsIMdbThumb methods ===== + + // might as well include all the return values here: + + mork_magic mThumb_Magic; // magic sig different in each thumb type + mork_count mThumb_Total; + mork_count mThumb_Current; + + mork_bool mThumb_Done; + mork_bool mThumb_Broken; + mork_u2 mThumb_Seed; // optional seed for u4 alignment padding + + morkStore* mThumb_Store; // weak ref to created store + nsIMdbFile* mThumb_File; // strong ref to file (store, import, export) + morkWriter* mThumb_Writer; // strong ref to writer (for commit) + morkBuilder* mThumb_Builder; // strong ref to builder (for store open) + morkPort* mThumb_SourcePort; // strong ref to port for import + + mork_bool mThumb_DoCollect; // influence whether a collect happens + mork_bool mThumb_Pad[ 3 ]; // padding for u4 alignment + +// { ===== begin morkNode interface ===== +public: // morkNode virtual methods + virtual void CloseMorkNode(morkEnv* ev) override; // CloseThumb() only if open + +public: // morkThumb construction & destruction + morkThumb(morkEnv* ev, const morkUsage& inUsage, + nsIMdbHeap* ioHeap, nsIMdbHeap* ioSlotHeap, mork_magic inMagic); + void CloseThumb(morkEnv* ev); // called by CloseMorkNode(); + +private: // copying is not allowed + morkThumb(const morkThumb& other); + morkThumb& operator=(const morkThumb& other); + virtual ~morkThumb(); // assert that CloseThumb() executed earlier + +public: // dynamic type identification + mork_bool IsThumb() const + { return IsNode() && mNode_Derived == morkDerived_kThumb; } +// } ===== end morkNode methods ===== + +public: // typing + static void NonThumbTypeError(morkEnv* ev); + static void UnsupportedThumbMagicError(morkEnv* ev); + + static void NilThumbStoreError(morkEnv* ev); + static void NilThumbFileError(morkEnv* ev); + static void NilThumbWriterError(morkEnv* ev); + static void NilThumbBuilderError(morkEnv* ev); + static void NilThumbSourcePortError(morkEnv* ev); + +public: // 'do more' methods + + void DoMore_OpenFilePort(morkEnv* ev); + void DoMore_OpenFileStore(morkEnv* ev); + void DoMore_ExportToFormat(morkEnv* ev); + void DoMore_ImportContent(morkEnv* ev); + void DoMore_LargeCommit(morkEnv* ev); + void DoMore_SessionCommit(morkEnv* ev); + void DoMore_CompressCommit(morkEnv* ev); + void DoMore_Commit(morkEnv* ev); + void DoMore_SearchManyColumns(morkEnv* ev); + void DoMore_NewSortColumn(morkEnv* ev); + void DoMore_NewSortColumnWithCompare(morkEnv* ev); + void DoMore_CloneSortColumn(morkEnv* ev); + void DoMore_AddIndex(morkEnv* ev); + void DoMore_CutIndex(morkEnv* ev); + +public: // other thumb methods + + morkStore* ThumbToOpenStore(morkEnv* ev); + // for orkinFactory::ThumbToOpenStore() after OpenFileStore() + +public: // assorted thumb constructors + + static morkThumb* Make_OpenFileStore(morkEnv* ev, + nsIMdbHeap* ioHeap, morkStore* ioStore); + + static morkThumb* Make_CompressCommit(morkEnv* ev, + nsIMdbHeap* ioHeap, morkStore* ioStore, mork_bool inDoCollect); + + static morkThumb* Make_LargeCommit(morkEnv* ev, + nsIMdbHeap* ioHeap, morkStore* ioStore); + +// { ===== begin non-poly methods imitating nsIMdbThumb ===== + void GetProgress(morkEnv* ev, mdb_count* outTotal, + mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken); + + void DoMore(morkEnv* ev, mdb_count* outTotal, + mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken); + + void CancelAndBreakThumb(morkEnv* ev); +// } ===== end non-poly methods imitating nsIMdbThumb ===== + + + +public: // typesafe refcounting inlines calling inherited morkNode methods + static void SlotWeakThumb(morkThumb* me, + morkEnv* ev, morkThumb** ioSlot) + { morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); } + + static void SlotStrongThumb(morkThumb* me, + morkEnv* ev, morkThumb** ioSlot) + { morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); } +}; + + +//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 + +#endif /* _MORKTHUMB_ */ |