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213 lines
8.2 KiB
C++
213 lines
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _MORKTHUMB_
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#define _MORKTHUMB_ 1
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#ifndef _MORK_
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#include "mork.h"
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#endif
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#ifndef _MORKNODE_
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#include "morkNode.h"
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#endif
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#ifndef _MORKOBJECT_
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#include "morkObject.h"
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#endif
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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#define morkThumb_kMagic_OpenFilePort 1 /* factory method */
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#define morkThumb_kMagic_OpenFileStore 2 /* factory method */
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#define morkThumb_kMagic_ExportToFormat 3 /* port method */
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#define morkThumb_kMagic_ImportContent 4 /* store method */
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#define morkThumb_kMagic_LargeCommit 5 /* store method */
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#define morkThumb_kMagic_SessionCommit 6 /* store method */
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#define morkThumb_kMagic_CompressCommit 7 /* store method */
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#define morkThumb_kMagic_SearchManyColumns 8 /* table method */
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#define morkThumb_kMagic_NewSortColumn 9 /* table metho) */
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#define morkThumb_kMagic_NewSortColumnWithCompare 10 /* table method */
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#define morkThumb_kMagic_CloneSortColumn 11 /* table method */
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#define morkThumb_kMagic_AddIndex 12 /* table method */
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#define morkThumb_kMagic_CutIndex 13 /* table method */
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#define morkDerived_kThumb /*i*/ 0x5468 /* ascii 'Th' */
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/*| morkThumb:
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|*/
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class morkThumb : public morkObject, public nsIMdbThumb {
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// public: // slots inherited from morkNode (meant to inform only)
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// nsIMdbHeap* mNode_Heap;
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// mork_base mNode_Base; // must equal morkBase_kNode
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// mork_derived mNode_Derived; // depends on specific node subclass
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// mork_access mNode_Access; // kOpen, kClosing, kShut, or kDead
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// mork_usage mNode_Usage; // kHeap, kStack, kMember, kGlobal, kNone
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// mork_able mNode_Mutable; // can this node be modified?
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// mork_load mNode_Load; // is this node clean or dirty?
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// mork_uses mNode_Uses; // refcount for strong refs
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// mork_refs mNode_Refs; // refcount for strong refs + weak refs
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// mork_color mBead_Color; // ID for this bead
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// morkHandle* mObject_Handle; // weak ref to handle for this object
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public: // state is public because the entire Mork system is private
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NS_DECL_ISUPPORTS_INHERITED
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// { ===== begin nsIMdbThumb methods =====
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NS_IMETHOD GetProgress(nsIMdbEnv* ev, mdb_count* outTotal,
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mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken);
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NS_IMETHOD DoMore(nsIMdbEnv* ev, mdb_count* outTotal,
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mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken);
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NS_IMETHOD CancelAndBreakThumb(nsIMdbEnv* ev);
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// } ===== end nsIMdbThumb methods =====
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// might as well include all the return values here:
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mork_magic mThumb_Magic; // magic sig different in each thumb type
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mork_count mThumb_Total;
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mork_count mThumb_Current;
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mork_bool mThumb_Done;
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mork_bool mThumb_Broken;
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mork_u2 mThumb_Seed; // optional seed for u4 alignment padding
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morkStore* mThumb_Store; // weak ref to created store
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nsIMdbFile* mThumb_File; // strong ref to file (store, import, export)
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morkWriter* mThumb_Writer; // strong ref to writer (for commit)
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morkBuilder* mThumb_Builder; // strong ref to builder (for store open)
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morkPort* mThumb_SourcePort; // strong ref to port for import
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mork_bool mThumb_DoCollect; // influence whether a collect happens
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mork_bool mThumb_Pad[ 3 ]; // padding for u4 alignment
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// { ===== begin morkNode interface =====
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public: // morkNode virtual methods
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virtual void CloseMorkNode(morkEnv* ev); // CloseThumb() only if open
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virtual ~morkThumb(); // assert that CloseThumb() executed earlier
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public: // morkThumb construction & destruction
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morkThumb(morkEnv* ev, const morkUsage& inUsage,
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nsIMdbHeap* ioHeap, nsIMdbHeap* ioSlotHeap, mork_magic inMagic);
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void CloseThumb(morkEnv* ev); // called by CloseMorkNode();
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private: // copying is not allowed
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morkThumb(const morkThumb& other);
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morkThumb& operator=(const morkThumb& other);
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public: // dynamic type identification
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mork_bool IsThumb() const
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{ return IsNode() && mNode_Derived == morkDerived_kThumb; }
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// } ===== end morkNode methods =====
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public: // typing
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static void NonThumbTypeError(morkEnv* ev);
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static void UnsupportedThumbMagicError(morkEnv* ev);
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static void NilThumbStoreError(morkEnv* ev);
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static void NilThumbFileError(morkEnv* ev);
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static void NilThumbWriterError(morkEnv* ev);
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static void NilThumbBuilderError(morkEnv* ev);
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static void NilThumbSourcePortError(morkEnv* ev);
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public: // 'do more' methods
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void DoMore_OpenFilePort(morkEnv* ev);
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void DoMore_OpenFileStore(morkEnv* ev);
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void DoMore_ExportToFormat(morkEnv* ev);
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void DoMore_ImportContent(morkEnv* ev);
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void DoMore_LargeCommit(morkEnv* ev);
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void DoMore_SessionCommit(morkEnv* ev);
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void DoMore_CompressCommit(morkEnv* ev);
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void DoMore_Commit(morkEnv* ev);
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void DoMore_SearchManyColumns(morkEnv* ev);
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void DoMore_NewSortColumn(morkEnv* ev);
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void DoMore_NewSortColumnWithCompare(morkEnv* ev);
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void DoMore_CloneSortColumn(morkEnv* ev);
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void DoMore_AddIndex(morkEnv* ev);
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void DoMore_CutIndex(morkEnv* ev);
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public: // other thumb methods
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morkStore* ThumbToOpenStore(morkEnv* ev);
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// for orkinFactory::ThumbToOpenStore() after OpenFileStore()
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public: // assorted thumb constructors
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static morkThumb* Make_OpenFileStore(morkEnv* ev,
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nsIMdbHeap* ioHeap, morkStore* ioStore);
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static morkThumb* Make_CompressCommit(morkEnv* ev,
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nsIMdbHeap* ioHeap, morkStore* ioStore, mork_bool inDoCollect);
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static morkThumb* Make_LargeCommit(morkEnv* ev,
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nsIMdbHeap* ioHeap, morkStore* ioStore);
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// { ===== begin non-poly methods imitating nsIMdbThumb =====
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void GetProgress(morkEnv* ev, mdb_count* outTotal,
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mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken);
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void DoMore(morkEnv* ev, mdb_count* outTotal,
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mdb_count* outCurrent, mdb_bool* outDone, mdb_bool* outBroken);
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void CancelAndBreakThumb(morkEnv* ev);
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// } ===== end non-poly methods imitating nsIMdbThumb =====
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public: // typesafe refcounting inlines calling inherited morkNode methods
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static void SlotWeakThumb(morkThumb* me,
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morkEnv* ev, morkThumb** ioSlot)
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{ morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); }
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static void SlotStrongThumb(morkThumb* me,
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morkEnv* ev, morkThumb** ioSlot)
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{ morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); }
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};
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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#endif /* _MORKTHUMB_ */
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