xbNtx Class Reference

xbNtx class More...

#include <xbntx.h>

Inheritance diagram for xbNtx:

Public Member Functions
	xbNtx ()
	xbNtx (xbDbf *)
virtual	~xbNtx ()
void	DumpHdrNode (xbShort Option)
void	DumpNodeRec (xbLong)
xbShort	CreateIndex (const char *, const char *, xbShort, xbShort)
xbLong	GetTotalNodes ()
xbULong	GetCurDbfRec ()
void	DumpNodeChain ()
xbShort	CreateKey (xbShort, xbShort)
xbShort	GetCurrentKey (char *key)
xbShort	AddKey (xbLong)
xbShort	UniqueIndex ()
xbShort	DeleteKey (xbLong DbfRec)
xbShort	KeyWasChanged ()
xbShort	FindKey (const char *)
xbShort	FindKey ()
xbShort	FindKey (xbDouble)
xbShort	GetNextKey ()
xbShort	GetLastKey ()
xbShort	GetFirstKey ()
xbShort	GetPrevKey ()
xbShort	ReIndex (void(*statusFunc)(xbLong itemNum, xbLong numItems)=0)
xbShort	KeyExists (char *Key)
xbShort	KeyExists (xbDouble)
virtual void	GetExpression (char *buf, int len)
virtual const char *	GetExtWithDot (bool lower)
Public Member Functions inherited from xbIndex
	xbIndex ()
	xbIndex (xbDbf *)
virtual	~xbIndex ()
xbShort	OpenIndex (const char *)
xbShort	CloseIndex ()
virtual xbShort	CreateIndex (const char *, const char *, xbShort, xbShort)=0
virtual xbLong	GetTotalNodes ()=0
virtual xbULong	GetCurDbfRec ()=0
virtual xbShort	CreateKey (xbShort, xbShort)=0
virtual xbShort	GetCurrentKey (char *key)=0
virtual xbShort	AddKey (xbLong)=0
virtual xbShort	UniqueIndex ()=0
virtual xbShort	DeleteKey (xbLong)=0
virtual xbShort	KeyWasChanged ()=0
virtual xbShort	FindKey (const char *)=0
virtual xbShort	FindKey ()=0
virtual xbShort	FindKey (xbDouble)=0
virtual xbShort	GetNextKey ()=0
virtual xbShort	GetLastKey ()=0
virtual xbShort	GetFirstKey ()=0
virtual xbShort	GetPrevKey ()=0
virtual xbShort	ReIndex (void(*statusFunc)(xbLong itemNum, xbLong numItems)=0)=0
virtual xbShort	KeyExists (xbDouble)=0
virtual xbShort	TouchIndex ()
virtual void	SetNodeSize (xbShort size)
virtual xbShort	GetNodeSize ()
virtual void	GetExpression (char *buf, int len)=0
virtual void	Flush ()
virtual const char *	GetIxName ()
xbShort	AllocKeyBufs ()
xbBool	IsOpen ()

Protected Member Functions
xbLong	GetLeftNodeNo (xbShort, xbNodeLink *)
xbShort	CompareKey (const char *, const char *, xbShort)
xbShort	CompareKey (const char *, const char *)
xbLong	GetDbfNo (xbShort, xbNodeLink *)
char *	GetKeyData (xbShort, xbNodeLink *)
xbUShort	GetItemOffset (xbShort, xbNodeLink *, xbShort)
xbUShort	InsertKeyOffset (xbShort, xbNodeLink *)
xbUShort	GetKeysPerNode ()
virtual xbShort	GetHeadNode ()
xbShort	GetLeafNode (xbLong, xbShort)
xbNodeLink *	GetNodeMemory ()
xbLong	GetNextNodeNo ()
void	ReleaseNodeMemory (xbNodeLink *n, xbBool doFree=false)
xbULong	GetLeafFromInteriorNode (const char *, xbShort)
xbShort	CalcKeyLen ()
xbShort	PutKeyData (xbShort, xbNodeLink *)
xbShort	PutLeftNodeNo (xbShort, xbNodeLink *, xbLong)
xbShort	PutLeafNode (xbLong, xbNodeLink *)
xbShort	PutHeadNode (NtxHeadNode *, FILE *, xbShort)
xbShort	TouchIndex ()
xbShort	PutDbfNo (xbShort, xbNodeLink *, xbLong)
xbShort	PutKeyInNode (xbNodeLink *, xbShort, xbLong, xbLong, xbShort)
xbShort	SplitLeafNode (xbNodeLink *, xbNodeLink *, xbShort, xbLong)
xbShort	SplitINode (xbNodeLink *, xbNodeLink *, xbLong)
xbShort	AddToIxList ()
xbShort	RemoveFromIxList ()
xbShort	RemoveKeyFromNode (xbShort, xbNodeLink *)
xbShort	DeleteKeyFromNode (xbShort, xbNodeLink *)
xbShort	JoinSiblings (xbNodeLink *, xbShort, xbNodeLink *, xbNodeLink *)
xbUShort	DeleteKeyOffset (xbShort, xbNodeLink *)
xbShort	FindKey (const char *, xbShort, xbShort)
xbShort	UpdateParentKey (xbNodeLink *)
xbShort	GetFirstKey (xbShort)
xbShort	GetNextKey (xbShort)
xbShort	GetLastKey (xbLong, xbShort)
xbShort	GetPrevKey (xbShort)
void	UpdateDeleteList (xbNodeLink *)
void	ProcessDeleteList ()
xbShort	FindKey (const char *, xbLong)
virtual xbUShort	GetKeyLen ()
virtual const char *	GetKeyExpression ()
virtual void	FreeNodesMemory ()
virtual xbShort	GetHeadNode ()=0
virtual xbUShort	GetKeyLen ()=0
virtual const char *	GetKeyExpression ()=0
virtual void	FreeNodesMemory ()=0
Protected Member Functions inherited from xbFile
void	SetFileName (const char *filename)
	xbFile ()
virtual const char *	GetExtWithDot (bool lower)=0
const xbString &	GetFileName ()
xbString	MakeFileName (const char *filename)

Protected Attributes
NtxHeadNode	HeadNode
NtxLeafNode	LeafNode
xbLong	NodeLinkCtr
xbLong	ReusedNodeLinks
char	Node [XB_NTX_NODE_SIZE]
xbNodeLink *	NodeChain
xbNodeLink *	FreeNodeChain
xbNodeLink *	CurNode
xbNodeLink *	DeleteChain
NtxItem	PushItem
Protected Attributes inherited from xbIndex
xbIndex *	index
xbDbf *	dbf
xbExpn *	IxExp
FILE *	indexfp
xbULong	CurDbfRec
char *	KeyBuf
char *	KeyBuf2
xbShort	NodeSize

Detailed Description

xbNtx class

Constructor & Destructor Documentation

xbNtx() [1/2]

xbNtx::xbNtx

(

)

xbNtx() [2/2]

xbNtx::xbNtx

(

xbDbf *

)

~xbNtx()

virtual xbNtx::~xbNtx ( )

virtual

Member Function Documentation

AddKey()

xbShort xbNtx::AddKey ( xbLong  )

virtual

Implements xbIndex.

AddToIxList()

xbShort xbNtx::AddToIxList ( )

protected

CalcKeyLen()

xbShort xbNtx::CalcKeyLen ( )

protected

CompareKey() [1/2]

xbShort xbNtx::CompareKey ( const char *  , const char *    )

protected

CompareKey() [2/2]

xbShort xbNtx::CompareKey ( const char *  , const char *  , xbShort    )

protected

CreateIndex()

xbShort xbNtx::CreateIndex ( const char *  , const char *  , xbShort  , xbShort    )

virtual

Implements xbIndex.

CreateKey()

xbShort xbNtx::CreateKey ( xbShort  , xbShort    )

virtual

Implements xbIndex.

DeleteKey()

xbShort xbNtx::DeleteKey ( xbLong  DbfRec )

virtual

Implements xbIndex.

DeleteKeyFromNode()

xbShort xbNtx::DeleteKeyFromNode ( xbShort  , xbNodeLink *    )

protected

DeleteKeyOffset()

xbUShort xbNtx::DeleteKeyOffset ( xbShort  , xbNodeLink *    )

protected

DumpHdrNode()

void xbNtx::DumpHdrNode

(

xbShort

Option

)

DumpNodeChain()

void xbNtx::DumpNodeChain

(

)

DumpNodeRec()

void xbNtx::DumpNodeRec

(

xbLong

)

FindKey() [1/5]

xbShort xbNtx::FindKey ( )

virtual

Implements xbIndex.

FindKey() [2/5]

xbShort xbNtx::FindKey ( const char *  )

virtual

Implements xbIndex.

FindKey() [3/5]

xbShort xbNtx::FindKey ( const char *  , xbLong    )

protected

FindKey() [4/5]

xbShort xbNtx::FindKey ( const char *  , xbShort  , xbShort    )

protected

FindKey() [5/5]

xbShort xbNtx::FindKey ( xbDouble  )

virtual

Implements xbIndex.

FreeNodesMemory()

virtual void xbNtx::FreeNodesMemory ( )

protectedvirtual

Implements xbIndex.

GetCurDbfRec()

xbULong xbNtx::GetCurDbfRec ( )

inlinevirtual

Implements xbIndex.

GetCurrentKey()

xbShort xbNtx::GetCurrentKey ( char *  key )

virtual

Implements xbIndex.

GetDbfNo()

xbLong xbNtx::GetDbfNo ( xbShort  , xbNodeLink *    )

protected

GetExpression()

virtual void xbNtx::GetExpression ( char *  buf, int  len  )

virtual

Implements xbIndex.

GetExtWithDot()

virtual const char * xbNtx::GetExtWithDot ( bool  lower )

virtual

Implements xbFile.

GetFirstKey() [1/2]

xbShort xbNtx::GetFirstKey ( )

inlinevirtual

Implements xbIndex.

GetFirstKey() [2/2]

xbShort xbNtx::GetFirstKey ( xbShort  )

protected

GetHeadNode()

virtual xbShort xbNtx::GetHeadNode ( )

protectedvirtual

Implements xbIndex.

GetItemOffset()

xbUShort xbNtx::GetItemOffset ( xbShort  , xbNodeLink *  , xbShort    )

protected

GetKeyData()

char * xbNtx::GetKeyData ( xbShort  , xbNodeLink *    )

protected

GetKeyExpression()

virtual const char * xbNtx::GetKeyExpression ( )

protectedvirtual

Implements xbIndex.

GetKeyLen()

virtual xbUShort xbNtx::GetKeyLen ( )

protectedvirtual

Implements xbIndex.

GetKeysPerNode()

xbUShort xbNtx::GetKeysPerNode ( )

protected

GetLastKey() [1/2]

xbShort xbNtx::GetLastKey ( )

inlinevirtual

Implements xbIndex.

GetLastKey() [2/2]

xbShort xbNtx::GetLastKey ( xbLong  , xbShort    )

protected

GetLeafFromInteriorNode()

xbULong xbNtx::GetLeafFromInteriorNode ( const char *  , xbShort    )

protected

GetLeafNode()

xbShort xbNtx::GetLeafNode ( xbLong  , xbShort    )

protected

GetLeftNodeNo()

xbLong xbNtx::GetLeftNodeNo ( xbShort  , xbNodeLink *    )

protected

GetNextKey() [1/2]

xbShort xbNtx::GetNextKey ( )

inlinevirtual

Implements xbIndex.

GetNextKey() [2/2]

xbShort xbNtx::GetNextKey ( xbShort  )

protected

GetNextNodeNo()

xbLong xbNtx::GetNextNodeNo ( )

protected

GetNodeMemory()

xbNodeLink * xbNtx::GetNodeMemory ( )

protected

GetPrevKey() [1/2]

xbShort xbNtx::GetPrevKey ( )

inlinevirtual

Implements xbIndex.

GetPrevKey() [2/2]

xbShort xbNtx::GetPrevKey ( xbShort  )

protected

GetTotalNodes()

xbLong xbNtx::GetTotalNodes ( )

virtual

Implements xbIndex.

InsertKeyOffset()

xbUShort xbNtx::InsertKeyOffset ( xbShort  , xbNodeLink *    )

protected

JoinSiblings()

xbShort xbNtx::JoinSiblings ( xbNodeLink *  , xbShort  , xbNodeLink *  , xbNodeLink *    )

protected

KeyExists() [1/2]

xbShort xbNtx::KeyExists ( char *  Key )

inline

KeyExists() [2/2]

xbShort xbNtx::KeyExists ( xbDouble  )

virtual

Implements xbIndex.

KeyWasChanged()

xbShort xbNtx::KeyWasChanged ( )

virtual

Implements xbIndex.

ProcessDeleteList()

void xbNtx::ProcessDeleteList ( )

protected

PutDbfNo()

xbShort xbNtx::PutDbfNo ( xbShort  , xbNodeLink *  , xbLong    )

protected

PutHeadNode()

xbShort xbNtx::PutHeadNode ( NtxHeadNode *  , FILE *  , xbShort    )

protected

PutKeyData()

xbShort xbNtx::PutKeyData ( xbShort  , xbNodeLink *    )

protected

PutKeyInNode()

xbShort xbNtx::PutKeyInNode ( xbNodeLink *  , xbShort  , xbLong  , xbLong  , xbShort    )

protected

PutLeafNode()

xbShort xbNtx::PutLeafNode ( xbLong  , xbNodeLink *    )

protected

PutLeftNodeNo()

xbShort xbNtx::PutLeftNodeNo ( xbShort  , xbNodeLink *  , xbLong    )

protected

ReIndex()

xbShort xbNtx::ReIndex ( void(*)(xbLong itemNum, xbLong numItems)  statusFunc = 0 )

virtual

Implements xbIndex.

ReleaseNodeMemory()

void xbNtx::ReleaseNodeMemory ( xbNodeLink *  n, xbBool  doFree = false  )

protected

RemoveFromIxList()

xbShort xbNtx::RemoveFromIxList ( )

protected

RemoveKeyFromNode()

xbShort xbNtx::RemoveKeyFromNode ( xbShort  , xbNodeLink *    )

protected

SplitINode()

xbShort xbNtx::SplitINode ( xbNodeLink *  , xbNodeLink *  , xbLong    )

protected

SplitLeafNode()

xbShort xbNtx::SplitLeafNode ( xbNodeLink *  , xbNodeLink *  , xbShort  , xbLong    )

protected

TouchIndex()

xbShort xbNtx::TouchIndex ( )

protectedvirtual

Reimplemented from xbIndex.

UniqueIndex()

xbShort xbNtx::UniqueIndex ( )

inlinevirtual

Implements xbIndex.

UpdateDeleteList()

void xbNtx::UpdateDeleteList ( xbNodeLink *  )

protected

UpdateParentKey()

xbShort xbNtx::UpdateParentKey ( xbNodeLink *  )

protected

Member Data Documentation

CurNode

xbNodeLink* xbNtx::CurNode

protected

DeleteChain

xbNodeLink* xbNtx::DeleteChain

protected

FreeNodeChain

xbNodeLink* xbNtx::FreeNodeChain

protected

HeadNode

NtxHeadNode xbNtx::HeadNode

protected

LeafNode

NtxLeafNode xbNtx::LeafNode

protected

Node

char xbNtx::Node[XB_NTX_NODE_SIZE]

protected

NodeChain

xbNodeLink* xbNtx::NodeChain

protected

NodeLinkCtr

xbLong xbNtx::NodeLinkCtr

protected

PushItem

NtxItem xbNtx::PushItem

protected

ReusedNodeLinks

xbLong xbNtx::ReusedNodeLinks

protected

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The documentation for this class was generated from the following file:

• xbntx.h