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Diffstat (limited to 'plugins/Dbx_tree/src/Entities.h')
| -rw-r--r-- | plugins/Dbx_tree/src/Entities.h | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/plugins/Dbx_tree/src/Entities.h b/plugins/Dbx_tree/src/Entities.h deleted file mode 100644 index 9cb3a6fea3..0000000000 --- a/plugins/Dbx_tree/src/Entities.h +++ /dev/null @@ -1,291 +0,0 @@ -/*
-
-dbx_tree: tree database driver for Miranda IM
-
-Copyright 2007-2010 Michael "Protogenes" Kunz,
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-
-#pragma once
-
-#include "Interface.h"
-#include "FileBTree.h"
-#include "MREWSync.h"
-#include <deque>
-#include <hash_set>
-
-#pragma pack(push, 1) // push current alignment to stack, set alignment to 1 byte boundary
-
-
-/**
- \brief Key Type of the VirtualsBTree
-
- This BTree don't hold data itself, it's just for organisation
- The virtual Entities are sorted first based on their real Entity.
- That is for enumeration of one Entity's virtual copies, which are all stored in one block in the BTree
-**/
-typedef struct TVirtualKey {
- TDBTEntityHandle RealEntity; /// hEntity of the duplicated RealEntity
- TDBTEntityHandle Virtual; /// hEntity of the virtual duplicate
-
- bool operator < (const TVirtualKey & Other) const
- {
- if (RealEntity != Other.RealEntity) return RealEntity < Other.RealEntity;
- if (Virtual != Other.Virtual) return Virtual < Other.Virtual;
- return false;
- }
- //bool operator <= (const TVirtualKey & Other);
- bool operator == (const TVirtualKey & Other) const
- {
- return (RealEntity == Other.RealEntity) && (Virtual == Other.Virtual);
- }
- //bool operator >= (const TVirtualKey & Other);
- bool operator > (const TVirtualKey & Other) const
- {
- if (RealEntity != Other.RealEntity) return RealEntity > Other.RealEntity;
- if (Virtual != Other.Virtual) return Virtual > Other.Virtual;
- return false;
- }
-} TVirtualKey;
-
-/**
- \brief Key Type of the EntityBTree
-
- The Entities are sorted first based on their level. (root is first node, followed by its children)
- That is for enumeration of one Entity's children, which are all stored in one block in the BTree
-**/
-typedef struct TEntityKey {
- uint16_t Level; /// Level where Entity is located or parent-steps to root. Root.Level == 0, root children have level 1 etc.
- TDBTEntityHandle Parent; /// hEntity of the Parent. Root.Parent == 0
- TDBTEntityHandle Entity; /// hEntity of the stored Entity itself
-
- bool operator < (const TEntityKey & Other) const
- {
- if (Level != Other.Level) return Level < Other.Level;
- if (Parent != Other.Parent) return Parent < Other.Parent;
- if (Entity != Other.Entity) return Entity < Other.Entity;
- return false;
- }
- //bool operator <= (const TEntityKey & Other);
- bool operator == (const TEntityKey & Other) const
- {
- return (Level == Other.Level) && (Parent == Other.Parent) && (Entity == Other.Entity);
- }
- //bool operator >= (const TEntityKey & Other);
- bool operator > (const TEntityKey & Other) const
- {
- if (Level != Other.Level) return Level > Other.Level;
- if (Parent != Other.Parent) return Parent > Other.Parent;
- if (Entity != Other.Entity) return Entity > Other.Entity;
- return false;
- }
-} TEntityKey;
-
-/**
- \brief The data of an Entity
-**/
-typedef struct TEntity {
- uint16_t Level; /// Level where Entity is located or parent-steps to root. Root.Level == 0, root children have level 1 etc. !used in the BTreeKey!
- uint16_t ChildCount; /// Count of the children !invalid for Virtual Entity!
- TDBTEntityHandle ParentEntity; /// hEntity of the Parent. Root.Parent == 0 !used in the BTreeKey!
- union {
- TDBTEntityHandle VParent; /// if the Entity is Virtual this is the hEntity of the related Realnode
- TDBTEntityHandle Account; /// if the Entity's account, only for real real normal Entities
- };
- uint32_t Flags; /// flags, see cEF_*
- /*CSettingsTree::TNodeRef*/
- uint32_t Settings; /// Offset to the SettingsBTree RootNode of this Entity, NULL if no settings are present
- /*CEventsTree::TNodeRef*/
- uint32_t Events; /// Offset to the EventsBTree RootNode of this Entity, NULL if no events are present !invalid for Virtal Entity!
- uint32_t EventCount; /// Count of the stored events !invalid for Virtual Entity!
- uint32_t FirstUnreadEventTimestamp; /// timestamp of the first unread event
- uint32_t FirstUnreadEventHandle;/// ID of the first unread event
- uint8_t Reserved[4]; /// reserved storage
-} TEntity;
-
-#pragma pack(pop) // pop the alignment from stack
-
-
-
-
-/**
- \brief Manages the Virtual Entities in the Database
-
- A virtual Entity is stored as normal Entity in the database-structure, but doesn't hold own settings/events.
- Such an Entity has the virtual flag set and refers its original duplicate.
- All copies are stored in this BTree sorted to the RealEntity.
- If the RealEntity should be deleted take the first virtual duplicate and make it real. Also change the relation of other copies.
-**/
-class CVirtuals : public CFileBTree<TVirtualKey, 4>
-{
-private:
-
-protected:
-
-public:
- CVirtuals(CBlockManager & BlockManager, TNodeRef Root);
- virtual ~CVirtuals();
-
- /**
- \brief Changes reference for all copies to the first Virtual in list
-
- \return New Original (previously first Virtual) to associate data with
- **/
- TDBTEntityHandle _DeleteRealEntity(TDBTEntityHandle hRealEntity);
-
- bool _InsertVirtual(TDBTEntityHandle hRealEntity, TDBTEntityHandle hVirtual);
- void _DeleteVirtual(TDBTEntityHandle hRealEntity, TDBTEntityHandle hVirtual);
-
- // services:
- TDBTEntityHandle getParent(TDBTEntityHandle hVirtual);
- TDBTEntityHandle getFirst(TDBTEntityHandle hRealEntity);
- TDBTEntityHandle getNext(TDBTEntityHandle hVirtual);
-};
-
-
-static const uint32_t cEntitySignature = 0x9A6B3C0D;
-static const uint16_t cEntityNodeSignature = 0x65A9;
-static const uint16_t cVirtualNodeSignature = 0x874E;
-/**
- \brief Manages the Entities in the Database
-
- A hEntity is equivalent to the fileoffset of its related TEntity structure
-**/
-class CEntities : public CFileBTree<TEntityKey, 6>
-{
-
-public:
- CEntities(CBlockManager & BlockManager, TDBTEntityHandle RootEntity, TNodeRef EntityRoot, CVirtuals::TNodeRef VirtualRoot);
- virtual ~CEntities();
-
- typedef sigslot::signal2<CEntities *, TDBTEntityHandle> TOnEntityDelete;
- typedef sigslot::signal2<CEntities *, TDBTEntityHandle> TOnInternalDeleteSettings;
- typedef sigslot::signal2<CEntities *, TDBTEntityHandle> TOnInternalDeleteEvents;
-
- typedef sigslot::signal3<CEntities *, TDBTEntityHandle, TDBTEntityHandle> TOnInternalMergeSettings;
- typedef sigslot::signal3<CEntities *, TDBTEntityHandle, TDBTEntityHandle> TOnInternalTransferEvents;
-
- CVirtuals::TOnRootChanged & sigVirtualRootChanged()
- {
- return m_Virtuals.sigRootChanged();
- };
-
- TOnEntityDelete & sigEntityDelete()
- {
- return m_sigEntityDelete;
- };
- TOnInternalDeleteEvents & _sigDeleteEvents()
- {
- return m_sigInternalDeleteEvents;
- };
- TOnInternalDeleteSettings & _sigDeleteSettings()
- {
- return m_sigInternalDeleteSettings;
- };
- TOnInternalMergeSettings & _sigMergeSettings()
- {
- return m_sigInternalMergeSettings;
- };
- TOnInternalTransferEvents & _sigTransferEvents()
- {
- return m_sigInternalTransferEvents;
- };
-
- //internal helpers:
- /*CSettingsTree::TNodeRef*/
- uint32_t _getSettingsRoot(TDBTEntityHandle hEntity);
- bool _setSettingsRoot(TDBTEntityHandle hEntity, /*CSettingsTree::TNodeRef*/ uint32_t NewRoot);
- uint32_t _getEventsRoot(TDBTEntityHandle hEntity);
- bool _setEventsRoot(TDBTEntityHandle hEntity, /*CSettingsTree::TNodeRef*/ uint32_t NewRoot);
- uint32_t _getEventCount(TDBTEntityHandle hEntity);
- uint32_t _adjustEventCount(TDBTEntityHandle hEntity, int32_t Adjust);
- bool _getFirstUnreadEvent(TDBTEntityHandle hEntity, uint32_t & hEvent, uint32_t & Timestamp);
- bool _setFirstUnreadEvent(TDBTEntityHandle hEntity, uint32_t hEvent, uint32_t Timestamp);
-
- CVirtuals & _getVirtuals()
- {
- return m_Virtuals;
- };
-
- //compatibility:
- TDBTEntityHandle compFirstContact();
- TDBTEntityHandle compNextContact(TDBTEntityHandle hEntity);
- //Services:
- TDBTEntityHandle CEntities::getRootEntity()
- {
- return m_RootEntity;
- };
-
- TDBTEntityHandle getParent(TDBTEntityHandle hEntity);
- TDBTEntityHandle setParent(TDBTEntityHandle hEntity, TDBTEntityHandle hParent);
- uint32_t getChildCount(TDBTEntityHandle hEntity);
- uint32_t getFlags(TDBTEntityHandle hEntity);
- uint32_t getAccount(TDBTEntityHandle hEntity);
-
- TDBTEntityHandle CreateEntity(const TDBTEntity & Entity);
- unsigned int DeleteEntity(TDBTEntityHandle hEntity);
-
- TDBTEntityIterationHandle IterationInit(const TDBTEntityIterFilter & Filter, TDBTEntityHandle hParent);
- TDBTEntityHandle IterationNext(TDBTEntityIterationHandle Iteration);
- unsigned int IterationClose(TDBTEntityIterationHandle Iteration);
-
- TDBTEntityHandle VirtualCreate(TDBTEntityHandle hRealEntity, TDBTEntityHandle hParent);
- TDBTEntityHandle VirtualGetParent(TDBTEntityHandle hVirtual)
- {
- return m_Virtuals.getParent(hVirtual);
- };
- TDBTEntityHandle VirtualGetFirst(TDBTEntityHandle hRealEntity)
- {
- return m_Virtuals.getFirst(hRealEntity);
- };
- TDBTEntityHandle VirtualGetNext(TDBTEntityHandle hVirtual)
- {
- return m_Virtuals.getNext(hVirtual);
- };
-private:
-
-protected:
-
- typedef struct TEntityIterationItem {
- uint8_t Options;
- uint8_t LookupDepth;
- uint16_t Level;
- TDBTEntityHandle Handle;
- uint32_t Flags;
- } TEntityIterationItem;
-
- typedef struct TEntityIteration {
- TDBTEntityIterFilter filter;
- std::deque<TEntityIterationItem> * q;
- std::deque<TEntityIterationItem> * parents;
- std::deque<TEntityIterationItem> * accounts;
- stdext::hash_set<TDBTEntityHandle> * returned;
- } TEntityIteration, *PEntityIteration;
-
- TDBTEntityHandle m_RootEntity;
- CVirtuals m_Virtuals;
-
- TDBTEntityHandle _CreateRootEntity();
- void _InternalTransferContacts(TDBTEntityHandle OldAccount, TDBTEntityHandle NewAccount);
-
- TOnEntityDelete m_sigEntityDelete;
- TOnInternalDeleteEvents m_sigInternalDeleteEvents;
- TOnInternalDeleteSettings m_sigInternalDeleteSettings;
- TOnInternalMergeSettings m_sigInternalMergeSettings;
- TOnInternalTransferEvents m_sigInternalTransferEvents;
-
-};
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