xbNtx Class Reference

xbNtx class More...

#include <xbntx.h>

Inheritance diagram for xbNtx:

List of all members.

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)
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

---

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 *	,
		xbLong
	)		[protected]

xbShort xbNtx::FindKey

(

const char *

)

[virtual]

Implements xbIndex.

xbShort xbNtx::FindKey

(

)

[virtual]

Implements xbIndex.

xbShort xbNtx::FindKey

(

xbDouble

)

[virtual]

Implements xbIndex.

xbShort xbNtx::FindKey	(	const char *	,
		xbShort	,
		xbShort
	)		[protected]

virtual void xbNtx::FreeNodesMemory

(

)

[protected, virtual]

Implements xbIndex.

xbULong xbNtx::GetCurDbfRec

(

)

[inline, virtual]

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

(

)

[inline, virtual]

Implements xbIndex.

virtual xbShort xbNtx::GetHeadNode

(

)

[protected, virtual]

Implements xbIndex.

xbUShort xbNtx::GetItemOffset	(	xbShort	,
		xbNodeLink *	,
		xbShort
	)		[protected]

char* xbNtx::GetKeyData	(	xbShort	,
		xbNodeLink *
	)		[protected]

virtual const char* xbNtx::GetKeyExpression

(

)

[protected, virtual]

Implements xbIndex.

virtual xbUShort xbNtx::GetKeyLen

(

)

[protected, virtual]

Implements xbIndex.

xbUShort xbNtx::GetKeysPerNode

(

)

[protected]

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

xbShort xbNtx::GetLastKey

(

)

[inline, virtual]

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

(

)

[inline, virtual]

Implements xbIndex.

xbLong xbNtx::GetNextNodeNo

(

)

[protected]

xbNodeLink* xbNtx::GetNodeMemory

(

)

[protected]

xbShort xbNtx::GetPrevKey

(

xbShort

)

[protected]

xbShort xbNtx::GetPrevKey

(

)

[inline, virtual]

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

(

xbDouble

)

[virtual]

Implements xbIndex.

xbShort xbNtx::KeyExists

(

char *

Key

)

[inline]

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

(

)

[protected, virtual]

Reimplemented from xbIndex.

xbShort xbNtx::UniqueIndex

(

)

[inline, virtual]

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