#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 void	SetNodeSize (xbShort size)

virtual xbShort	GetNodeSize ()

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 ()

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::xbNtx ( )

xbNtx::xbNtx ( xbDbf * )

virtual xbNtx::~xbNtx ( )

virtual

Member Function Documentation

xbShort xbNtx::AddKey ( xbLong )

virtual

Implements xbIndex.

xbShort xbNtx::AddToIxList ( )

protected

xbShort xbNtx::CalcKeyLen ( )

protected

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

protected

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

protected

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

virtual

Implements xbIndex.

xbShort xbNtx::CreateKey	(	xbShort	,
		xbShort
	)

virtual

Implements xbIndex.

xbShort xbNtx::DeleteKey ( xbLong DbfRec )

virtual

Implements xbIndex.

xbShort xbNtx::DeleteKeyFromNode	(	xbShort	,
		xbNodeLink *
	)

protected

xbUShort xbNtx::DeleteKeyOffset	(	xbShort	,
		xbNodeLink *
	)

protected

void xbNtx::DumpHdrNode ( xbShort Option )

void xbNtx::DumpNodeChain ( )

void xbNtx::DumpNodeRec ( xbLong )

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

protected

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

protected

xbShort xbNtx::FindKey ( const char * )

virtual

Implements xbIndex.

xbShort xbNtx::FindKey ( )

virtual

Implements xbIndex.

xbShort xbNtx::FindKey ( xbDouble )

virtual

Implements xbIndex.

virtual void xbNtx::FreeNodesMemory ( )

protectedvirtual

Implements xbIndex.

xbULong xbNtx::GetCurDbfRec ( )

inlinevirtual

Implements xbIndex.

xbShort xbNtx::GetCurrentKey ( char * key )

virtual

Implements xbIndex.

xbLong xbNtx::GetDbfNo	(	xbShort	,
		xbNodeLink *
	)

protected

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

virtual

Implements xbIndex.

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

virtual

Implements xbFile.

xbShort xbNtx::GetFirstKey ( xbShort )

protected

xbShort xbNtx::GetFirstKey ( )

inlinevirtual

Implements xbIndex.

virtual xbShort xbNtx::GetHeadNode ( )

protectedvirtual

Implements xbIndex.

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

protected

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

protected

virtual const char* xbNtx::GetKeyExpression ( )

protectedvirtual

Implements xbIndex.

virtual xbUShort xbNtx::GetKeyLen ( )

protectedvirtual

Implements xbIndex.

xbUShort xbNtx::GetKeysPerNode ( )

protected

xbShort xbNtx::GetLastKey	(	xbLong	,
		xbShort
	)

protected

xbShort xbNtx::GetLastKey ( )

inlinevirtual

Implements xbIndex.

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

protected

xbShort xbNtx::GetLeafNode	(	xbLong	,
		xbShort
	)

protected

xbLong xbNtx::GetLeftNodeNo	(	xbShort	,
		xbNodeLink *
	)

protected

xbShort xbNtx::GetNextKey ( xbShort )

protected

xbShort xbNtx::GetNextKey ( )

inlinevirtual

Implements xbIndex.

xbLong xbNtx::GetNextNodeNo ( )

protected

xbNodeLink* xbNtx::GetNodeMemory ( )

protected

xbShort xbNtx::GetPrevKey ( xbShort )

protected

xbShort xbNtx::GetPrevKey ( )

inlinevirtual

Implements xbIndex.

xbLong xbNtx::GetTotalNodes ( )

virtual

Implements xbIndex.

xbUShort xbNtx::InsertKeyOffset	(	xbShort	,
		xbNodeLink *
	)

protected

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

protected

xbShort xbNtx::KeyExists ( char * Key )

inline

xbShort xbNtx::KeyExists ( xbDouble )

virtual

Implements xbIndex.

xbShort xbNtx::KeyWasChanged ( )

virtual

Implements xbIndex.

void xbNtx::ProcessDeleteList ( )

protected

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

protected

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

protected

xbShort xbNtx::PutKeyData	(	xbShort	,
		xbNodeLink *
	)

protected

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

protected

xbShort xbNtx::PutLeafNode	(	xbLong	,
		xbNodeLink *
	)

protected

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

protected

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

virtual

Implements xbIndex.

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

protected

xbShort xbNtx::RemoveFromIxList ( )

protected

xbShort xbNtx::RemoveKeyFromNode	(	xbShort	,
		xbNodeLink *
	)

protected

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

protected

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

protected

xbShort xbNtx::TouchIndex ( )

protectedvirtual

Reimplemented from xbIndex.

xbShort xbNtx::UniqueIndex ( )

inlinevirtual

Implements xbIndex.

void xbNtx::UpdateDeleteList ( xbNodeLink * )

protected

xbShort xbNtx::UpdateParentKey ( xbNodeLink * )

protected

Member Data Documentation

xbNodeLink* xbNtx::CurNode

protected

xbNodeLink* xbNtx::DeleteChain

protected

xbNodeLink* xbNtx::FreeNodeChain

protected

NtxHeadNode xbNtx::HeadNode

protected

NtxLeafNode xbNtx::LeafNode

protected

char xbNtx::Node[XB_NTX_NODE_SIZE]

protected

xbNodeLink* xbNtx::NodeChain

protected

xbLong xbNtx::NodeLinkCtr

protected

NtxItem xbNtx::PushItem

protected

xbLong xbNtx::ReusedNodeLinks

protected

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

xbntx.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation