xbNdx Class Reference

xbNdx class More...

#include <xbndx.h>

Inheritance diagram for xbNdx:

List of all members.

Public Member Functions
	xbNdx ()
	xbNdx (xbDbf *)
virtual	~xbNdx ()
xbShort	CreateIndex (const char *IxName, const char *Exp, xbShort Unique, xbShort OverLay)
xbLong	GetTotalNodes ()
xbULong	GetCurDbfRec ()
xbShort	CreateKey (xbShort, xbShort)
xbShort	GetCurrentKey (char *key)
xbShort	AddKey (xbLong)
xbShort	UniqueIndex ()
xbShort	DeleteKey (xbLong)
xbShort	KeyWasChanged ()
xbShort	FindKey (const char *Key)
xbShort	FindKey ()
xbShort	FindKey (xbDouble)
xbShort	GetNextKey ()
	Short description.
xbShort	GetLastKey ()
	Short description.
xbShort	GetFirstKey ()
	Short description.
xbShort	GetPrevKey ()
	Short description.
xbShort	ReIndex (void(*statusFunc)(xbLong itemNum, xbLong numItems)=0)
xbShort	KeyExists (const char *Key)
xbShort	KeyExists (xbDouble)
virtual void	SetNodeSize (xbShort size)
virtual void	GetExpression (char *buf, int len)
virtual const char *	GetExtWithDot (bool lower)
Protected Member Functions
virtual xbUShort	GetKeyLen ()
virtual const char *	GetKeyExpression ()
virtual void	FreeNodesMemory ()
xbLong	GetLeftNodeNo (xbShort, xbNdxNodeLink *)
xbShort	CompareKey (const char *Key1, const char *Key2, xbShort Klen)
	Short description.
xbLong	GetDbfNo (xbShort RecNo, xbNdxNodeLink *n)
	Short description.
char *	GetKeyData (xbShort, xbNdxNodeLink *)
xbUShort	GetKeysPerNode ()
virtual xbShort	GetHeadNode ()
xbShort	GetLeafNode (xbLong, xbShort)
xbNdxNodeLink *	GetNodeMemory ()
void	ReleaseNodeMemory (xbNdxNodeLink *n, xbBool doFree=false)
xbShort	BSearchNode (const char *key, xbShort klen, const xbNdxNodeLink *node, xbShort *comp)
xbLong	GetLeafFromInteriorNode (const char *Tkey, xbShort Klen)
xbShort	CalcKeyLen ()
xbShort	PutKeyData (xbShort, xbNdxNodeLink *)
xbShort	PutLeftNodeNo (xbShort, xbNdxNodeLink *, xbLong)
xbShort	PutLeafNode (xbLong, xbNdxNodeLink *)
xbShort	PutHeadNode (xbNdxHeadNode *, FILE *, xbShort)
xbShort	PutDbfNo (xbShort, xbNdxNodeLink *, xbLong)
xbShort	PutKeyInNode (xbNdxNodeLink *, xbShort, xbLong, xbLong, xbShort)
xbShort	SplitLeafNode (xbNdxNodeLink *, xbNdxNodeLink *, xbShort, xbLong)
xbShort	SplitINode (xbNdxNodeLink *, xbNdxNodeLink *, xbLong)
xbShort	AddToIxList ()
xbShort	RemoveFromIxList ()
xbShort	RemoveKeyFromNode (xbShort, xbNdxNodeLink *)
xbShort	FindKey (const char *Tkey, xbShort Klen, xbShort RetrieveSw)
xbShort	UpdateParentKey (xbNdxNodeLink *)
xbShort	GetFirstKey (xbShort)
xbShort	GetNextKey (xbShort)
xbShort	GetLastKey (xbLong, xbShort)
xbShort	GetPrevKey (xbShort)
void	UpdateDeleteList (xbNdxNodeLink *)
void	ProcessDeleteList ()
xbNdxNodeLink *	LeftSiblingHasSpace (xbNdxNodeLink *)
xbNdxNodeLink *	RightSiblingHasSpace (xbNdxNodeLink *)
xbShort	DeleteSibling (xbNdxNodeLink *)
xbShort	MoveToLeftNode (xbNdxNodeLink *, xbNdxNodeLink *)
xbShort	MoveToRightNode (xbNdxNodeLink *, xbNdxNodeLink *)
xbShort	FindKey (const char *Tkey, xbLong DbfRec)
Protected Attributes
xbNdxHeadNode	HeadNode
xbNdxLeafNode	LeafNode
xbLong	xbNodeLinkCtr
xbLong	ReusedxbNodeLinks
char	Node [XB_MAX_NDX_NODE_SIZE]
xbNdxNodeLink *	NodeChain
xbNdxNodeLink *	FreeNodeChain
xbNdxNodeLink *	CurNode
xbNdxNodeLink *	DeleteChain

---

Detailed Description

xbNdx class

---

Constructor & Destructor Documentation

xbNdx::xbNdx

(

)

xbNdx::xbNdx

(

xbDbf *

)

virtual xbNdx::~xbNdx

(

)

[virtual]

---

Member Function Documentation

xbShort xbNdx::AddKey

(

xbLong

)

[virtual]

Implements xbIndex.

xbShort xbNdx::AddToIxList

(

)

[protected]

xbShort xbNdx::BSearchNode	(	const char *	key,
		xbShort	klen,
		const xbNdxNodeLink *	node,
		xbShort *	comp
	)		[protected]

xbShort xbNdx::CalcKeyLen

(

)

[protected]

xbShort xbNdx::CompareKey	(	const char *	Key1,
		const char *	Key2,
		xbShort	Klen
	)		[inline, protected]

Short description.

xbShort xbNdx::CreateIndex	(	const char *	IxName,
		const char *	Exp,
		xbShort	Unique,
		xbShort	OverLay
	)		[virtual]

Implements xbIndex.

xbShort xbNdx::CreateKey	(	xbShort	,
		xbShort
	)		[virtual]

Implements xbIndex.

xbShort xbNdx::DeleteKey

(

xbLong

)

[virtual]

Implements xbIndex.

xbShort xbNdx::DeleteSibling

(

xbNdxNodeLink *

)

[protected]

xbShort xbNdx::FindKey

(

const char *

Key

)

[virtual]

Implements xbIndex.

xbShort xbNdx::FindKey

(

)

[virtual]

Implements xbIndex.

xbShort xbNdx::FindKey	(	const char *	Tkey,
		xbShort	Klen,
		xbShort	RetrieveSw
	)		[protected]

xbShort xbNdx::FindKey

(

xbDouble

)

[virtual]

Implements xbIndex.

xbShort xbNdx::FindKey	(	const char *	Tkey,
		xbLong	DbfRec
	)		[protected]

virtual void xbNdx::FreeNodesMemory

(

)

[protected, virtual]

Implements xbIndex.

xbULong xbNdx::GetCurDbfRec

(

)

[inline, virtual]

Implements xbIndex.

xbShort xbNdx::GetCurrentKey

(

char *

key

)

[virtual]

Implements xbIndex.

xbLong xbNdx::GetDbfNo	(	xbShort	RecNo,
		xbNdxNodeLink *	n
	)		[inline, protected]

Short description.

virtual void xbNdx::GetExpression	(	char *	buf,
		int	len
	)		[virtual]

Implements xbIndex.

virtual const char* xbNdx::GetExtWithDot

(

bool

lower

)

[virtual]

Implements xbFile.

xbShort xbNdx::GetFirstKey

(

xbShort

)

[protected]

xbShort xbNdx::GetFirstKey

(

)

[inline, virtual]

Short description.

Implements xbIndex.

virtual xbShort xbNdx::GetHeadNode

(

)

[protected, virtual]

Implements xbIndex.

char* xbNdx::GetKeyData	(	xbShort	,
		xbNdxNodeLink *
	)		[protected]

virtual const char* xbNdx::GetKeyExpression

(

)

[protected, virtual]

Implements xbIndex.

virtual xbUShort xbNdx::GetKeyLen

(

)

[protected, virtual]

Implements xbIndex.

xbUShort xbNdx::GetKeysPerNode

(

)

[protected]

xbShort xbNdx::GetLastKey	(	xbLong	,
		xbShort
	)		[protected]

xbShort xbNdx::GetLastKey

(

)

[inline, virtual]

Short description.

Implements xbIndex.

xbLong xbNdx::GetLeafFromInteriorNode	(	const char *	Tkey,
		xbShort	Klen
	)		[protected]

xbShort xbNdx::GetLeafNode	(	xbLong	,
		xbShort
	)		[protected]

xbLong xbNdx::GetLeftNodeNo	(	xbShort	,
		xbNdxNodeLink *
	)		[protected]

xbShort xbNdx::GetNextKey

(

)

[inline, virtual]

Short description.

Implements xbIndex.

xbShort xbNdx::GetNextKey

(

xbShort

)

[protected]

xbNdxNodeLink* xbNdx::GetNodeMemory

(

)

[protected]

xbShort xbNdx::GetPrevKey

(

)

[inline, virtual]

Short description.

Implements xbIndex.

xbShort xbNdx::GetPrevKey

(

xbShort

)

[protected]

xbLong xbNdx::GetTotalNodes

(

)

[virtual]

Implements xbIndex.

xbShort xbNdx::KeyExists

(

const char *

Key

)

[inline]

xbShort xbNdx::KeyExists

(

xbDouble

)

[virtual]

Implements xbIndex.

xbShort xbNdx::KeyWasChanged

(

)

[virtual]

Implements xbIndex.

xbNdxNodeLink* xbNdx::LeftSiblingHasSpace

(

xbNdxNodeLink *

)

[protected]

xbShort xbNdx::MoveToLeftNode	(	xbNdxNodeLink *	,
		xbNdxNodeLink *
	)		[protected]

xbShort xbNdx::MoveToRightNode	(	xbNdxNodeLink *	,
		xbNdxNodeLink *
	)		[protected]

void xbNdx::ProcessDeleteList

(

)

[protected]

xbShort xbNdx::PutDbfNo	(	xbShort	,
		xbNdxNodeLink *	,
		xbLong
	)		[protected]

xbShort xbNdx::PutHeadNode	(	xbNdxHeadNode *	,
		FILE *	,
		xbShort
	)		[protected]

xbShort xbNdx::PutKeyData	(	xbShort	,
		xbNdxNodeLink *
	)		[protected]

xbShort xbNdx::PutKeyInNode	(	xbNdxNodeLink *	,
		xbShort	,
		xbLong	,
		xbLong	,
		xbShort
	)		[protected]

xbShort xbNdx::PutLeafNode	(	xbLong	,
		xbNdxNodeLink *
	)		[protected]

xbShort xbNdx::PutLeftNodeNo	(	xbShort	,
		xbNdxNodeLink *	,
		xbLong
	)		[protected]

xbShort xbNdx::ReIndex

(

void(*)(xbLong itemNum, xbLong numItems)

statusFunc = 0

)

[virtual]

Implements xbIndex.

void xbNdx::ReleaseNodeMemory	(	xbNdxNodeLink *	n,
		xbBool	doFree = false
	)		[protected]

xbShort xbNdx::RemoveFromIxList

(

)

[protected]

xbShort xbNdx::RemoveKeyFromNode	(	xbShort	,
		xbNdxNodeLink *
	)		[protected]

xbNdxNodeLink* xbNdx::RightSiblingHasSpace

(

xbNdxNodeLink *

)

[protected]

virtual void xbNdx::SetNodeSize

(

xbShort

size

)

[virtual]

Reimplemented from xbIndex.

xbShort xbNdx::SplitINode	(	xbNdxNodeLink *	,
		xbNdxNodeLink *	,
		xbLong
	)		[protected]

xbShort xbNdx::SplitLeafNode	(	xbNdxNodeLink *	,
		xbNdxNodeLink *	,
		xbShort	,
		xbLong
	)		[protected]

xbShort xbNdx::UniqueIndex

(

)

[inline, virtual]

Implements xbIndex.

void xbNdx::UpdateDeleteList

(

xbNdxNodeLink *

)

[protected]

xbShort xbNdx::UpdateParentKey

(

xbNdxNodeLink *

)

[protected]

---

Member Data Documentation

xbNdxNodeLink* xbNdx::CurNode [protected]

xbNdxNodeLink* xbNdx::DeleteChain [protected]

xbNdxNodeLink* xbNdx::FreeNodeChain [protected]

xbNdxHeadNode xbNdx::HeadNode [protected]

xbNdxLeafNode xbNdx::LeafNode [protected]

char xbNdx::Node[XB_MAX_NDX_NODE_SIZE] [protected]

xbNdxNodeLink* xbNdx::NodeChain [protected]

xbLong xbNdx::ReusedxbNodeLinks [protected]

xbLong xbNdx::xbNodeLinkCtr [protected]

---

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

• xbndx.h