xbNtx Class Reference

xbNtx class More...

#include <xbntx.h>

Inheritance diagram for xbNtx:
xbIndex xbFile

List of all members.

Public Member Functions

 xbNtx ()
 Constructor.
 xbNtx (xbDbf *)
 Constructor.
virtual ~xbNtx ()
 Destructor.
void DumpHdrNode (xbShort Option)
 Short description.
void DumpNodeRec (xbLong)
 Short description.
xbShort CreateIndex (const char *, const char *, xbShort, xbShort)
 Short description.
xbLong GetTotalNodes ()
 Short description.
xbULong GetCurDbfRec ()
void DumpNodeChain ()
 Short description.
xbShort CreateKey (xbShort, xbShort)
 Short description.
xbShort GetCurrentKey (char *key)
 Short description.
xbShort AddKey (xbLong)
 Short description.
xbShort UniqueIndex ()
xbShort DeleteKey (xbLong DbfRec)
 Short description.
xbShort KeyWasChanged ()
 Short description.
xbShort FindKey (const char *)
 Short description.
xbShort FindKey ()
 Short description.
xbShort FindKey (xbDouble)
 Short description.
xbShort GetNextKey ()
xbShort GetLastKey ()
xbShort GetFirstKey ()
xbShort GetPrevKey ()
xbShort ReIndex (void(*statusFunc)(xbLong itemNum, xbLong numItems)=0)
 Short description.
xbShort KeyExists (char *Key)
xbShort KeyExists (xbDouble)
 Short description.
virtual void GetExpression (char *buf, int len)
 Short description.
xbShort CheckIndexIntegrity (xbShort Option)
 Short description.
virtual const char * GetExtWithDot (bool lower)

Protected Member Functions

xbLong GetLeftNodeNo (xbShort, xbNodeLink *)
 Short description.
xbShort CompareKey (const char *, const char *, xbShort)
 Short description.
xbShort CompareKey (const char *, const char *)
 Short description.
xbLong GetDbfNo (xbShort, xbNodeLink *)
 Short description.
char * GetKeyData (xbShort, xbNodeLink *)
 Short description.
xbUShort GetItemOffset (xbShort, xbNodeLink *, xbShort)
 Short description.
xbUShort InsertKeyOffset (xbShort, xbNodeLink *)
 Short description.
xbUShort GetKeysPerNode ()
 Short description.
virtual xbShort GetHeadNode ()
 Short description.
xbShort GetLeafNode (xbLong, xbShort)
 Short description.
xbNodeLinkGetNodeMemory ()
 Short description.
xbLong GetNextNodeNo ()
 Short description.
void ReleaseNodeMemory (xbNodeLink *n, xbBool doFree=false)
 Short description.
xbULong GetLeafFromInteriorNode (const char *, xbShort)
 Short description.
xbShort CalcKeyLen ()
 Short description.
xbShort PutKeyData (xbShort, xbNodeLink *)
 Short description.
xbShort PutLeftNodeNo (xbShort, xbNodeLink *, xbLong)
 Short description.
xbShort PutLeafNode (xbLong, xbNodeLink *)
 Short description.
xbShort PutHeadNode (NtxHeadNode *, FILE *, xbShort)
 Short description.
xbShort TouchIndex ()
xbShort PutDbfNo (xbShort, xbNodeLink *, xbLong)
 Short description.
xbShort PutKeyInNode (xbNodeLink *, xbShort, xbLong, xbLong, xbShort)
 Short description.
xbShort SplitLeafNode (xbNodeLink *, xbNodeLink *, xbShort, xbLong)
 Short description.
xbShort SplitINode (xbNodeLink *, xbNodeLink *, xbLong)
 Short description.
xbShort AddToIxList ()
xbShort RemoveFromIxList ()
xbShort RemoveKeyFromNode (xbShort, xbNodeLink *)
 Short description.
xbShort DeleteKeyFromNode (xbShort, xbNodeLink *)
 Short description.
xbShort JoinSiblings (xbNodeLink *, xbShort, xbNodeLink *, xbNodeLink *)
 Short description.
xbUShort DeleteKeyOffset (xbShort, xbNodeLink *)
 Short description.
xbShort FindKey (const char *, xbShort, xbShort)
 Short description.
xbShort UpdateParentKey (xbNodeLink *)
 Short description.
xbShort GetFirstKey (xbShort)
 Short description.
xbShort GetNextKey (xbShort)
 Short description.
xbShort GetLastKey (xbLong, xbShort)
 Short description.
xbShort GetPrevKey (xbShort)
 Short description.
void UpdateDeleteList (xbNodeLink *)
 Short description.
void ProcessDeleteList ()
 Short description.
xbShort FindKey (const char *, xbLong)
 Short description.
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]
xbNodeLinkNodeChain
xbNodeLinkFreeNodeChain
xbNodeLinkCurNode
xbNodeLinkDeleteChain
NtxItem PushItem

Detailed Description

xbNtx class


Constructor & Destructor Documentation

xbNtx::xbNtx (  ) 

Constructor.

xbNtx::xbNtx ( xbDbf pdbf  ) 

Constructor.

Parameters:
pdbf 
xbNtx::~xbNtx (  )  [virtual]

Destructor.


Member Function Documentation

xbShort xbNtx::AddKey ( xbLong  DbfRec  )  [virtual]

Short description.

Parameters:
DbfRec 

Implements xbIndex.

xbShort xbNtx::AddToIxList (  )  [protected]
xbShort xbNtx::CalcKeyLen ( void   )  [protected]

Short description.

xbShort xbNtx::CheckIndexIntegrity ( xbShort  Option  )  [virtual]

Short description.

Parameters:
option 

Implements xbIndex.

xbShort xbNtx::CompareKey ( const char *  Key1,
const char *  Key2 
) [protected]

Short description.

Parameters:
Key1 
Key2 
xbShort xbNtx::CompareKey ( const char *  Key1,
const char *  Key2,
xbShort  Klen 
) [protected]

Short description.

Parameters:
Key1 
Key2 
Klen 
xbShort xbNtx::CreateIndex ( const char *  IxName,
const char *  Exp,
xbShort  Unique,
xbShort  Overlay 
) [virtual]

Short description.

Parameters:
IxName 
Exp 
Unique 
Overlay 

Implements xbIndex.

xbShort xbNtx::CreateKey ( xbShort  RecBufSw,
xbShort  KeyBufSw 
) [virtual]

Short description.

Parameters:
RecBufSw 
KeyBufSw 

Implements xbIndex.

xbShort xbNtx::DeleteKey ( xbLong  DbfRec  )  [virtual]

Short description.

Parameters:
DbfRec 

Implements xbIndex.

xbShort xbNtx::DeleteKeyFromNode ( xbShort  pos,
xbNodeLink n 
) [protected]

Short description.

Parameters:
pos 
n 
xbUShort xbNtx::DeleteKeyOffset ( xbShort  pos,
xbNodeLink n 
) [protected]

Short description.

Parameters:
pos 
n 
void xbNtx::DumpHdrNode ( xbShort  Option  )  [virtual]

Short description.

Implements xbIndex.

void xbNtx::DumpNodeChain ( void   )  [virtual]

Short description.

Implements xbIndex.

void xbNtx::DumpNodeRec ( xbLong  n  )  [virtual]

Short description.

Parameters:
n 

Implements xbIndex.

xbShort xbNtx::FindKey ( xbDouble  d  )  [virtual]

Short description.

Parameters:
d 

Implements xbIndex.

xbShort xbNtx::FindKey ( void   )  [virtual]

Short description.

Implements xbIndex.

xbShort xbNtx::FindKey ( const char *  Key  )  [virtual]

Short description.

Parameters:
Key 

Implements xbIndex.

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

Short description.

Parameters:
Tkey 
DbfRec 
xbShort xbNtx::FindKey ( const char *  Tkey,
xbShort  Klen,
xbShort  RetrieveSw 
) [protected]

Short description.

Parameters:
Tkey 
Klen 
RetrieveSw 
void xbNtx::FreeNodesMemory (  )  [protected, virtual]

Implements xbIndex.

xbULong xbNtx::GetCurDbfRec (  )  [inline, virtual]

Implements xbIndex.

xbShort xbNtx::GetCurrentKey ( char *  key  )  [virtual]

Short description.

Parameters:
key 

Implements xbIndex.

xbLong xbNtx::GetDbfNo ( xbShort  RecNo,
xbNodeLink n 
) [protected]

Short description.

Parameters:
RecNo 
n 
void xbNtx::GetExpression ( char *  buf,
int  len 
) [virtual]

Short description.

Parameters:
buf 
len 

Implements xbIndex.

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

Implements xbFile.

xbShort xbNtx::GetFirstKey (  )  [inline, virtual]

Implements xbIndex.

xbShort xbNtx::GetFirstKey ( xbShort  RetrieveSw  )  [protected]

Short description.

Parameters:
RetrieveSw 
xbShort xbNtx::GetHeadNode ( void   )  [protected, virtual]

Short description.

Implements xbIndex.

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

Short description.

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

Short description.

Parameters:
RecNo 
n 
const char * xbNtx::GetKeyExpression (  )  [protected, virtual]

Implements xbIndex.

xbUShort xbNtx::GetKeyLen (  )  [protected, virtual]

Implements xbIndex.

xbUShort xbNtx::GetKeysPerNode ( void   )  [protected]

Short description.

xbShort xbNtx::GetLastKey (  )  [inline, virtual]

Implements xbIndex.

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

Short description.

Parameters:
NodeNo 
RetrieveSw 
xbULong xbNtx::GetLeafFromInteriorNode ( const char *  Tkey,
xbShort   
) [protected]

Short description.

Parameters:
Tkey 
 
xbShort xbNtx::GetLeafNode ( xbLong  NodeNo,
xbShort  SetNodeChain 
) [protected]

Short description.

Parameters:
NodeNo 
SetNodeChain 
xbLong xbNtx::GetLeftNodeNo ( xbShort  RecNo,
xbNodeLink n 
) [protected]

Short description.

Parameters:
RecNo 
n 
xbShort xbNtx::GetNextKey (  )  [inline, virtual]

Implements xbIndex.

xbShort xbNtx::GetNextKey ( xbShort  RetrieveSw  )  [protected]

Short description.

Parameters:
RetrieveSw 
xbLong xbNtx::GetNextNodeNo (  )  [protected]

Short description.

xbNodeLink * xbNtx::GetNodeMemory ( void   )  [protected]

Short description.

xbShort xbNtx::GetPrevKey (  )  [inline, virtual]

Implements xbIndex.

xbShort xbNtx::GetPrevKey ( xbShort  RetrieveSw  )  [protected]

Short description.

Parameters:
RetrieveSw 
xbLong xbNtx::GetTotalNodes ( void   )  [virtual]

Short description.

Implements xbIndex.

xbUShort xbNtx::InsertKeyOffset ( xbShort  pos,
xbNodeLink n 
) [protected]

Short description.

Parameters:
pos 
n 
xbShort xbNtx::JoinSiblings ( xbNodeLink parent,
xbShort  parentPos,
xbNodeLink n1,
xbNodeLink n2 
) [protected]

Short description.

Parameters:
parent 
parentPos 
n1 
n2 
xbShort xbNtx::KeyExists ( xbDouble  d  )  [virtual]

Short description.

Parameters:
d 

Implements xbIndex.

xbShort xbNtx::KeyExists ( char *  Key  )  [inline]
xbShort xbNtx::KeyWasChanged ( void   )  [virtual]

Short description.

Implements xbIndex.

void xbNtx::ProcessDeleteList ( void   )  [protected]

Short description.

xbShort xbNtx::PutDbfNo ( xbShort  RecNo,
xbNodeLink n,
xbLong  DbfNo 
) [protected]

Short description.

Parameters:
RecNo 
n 
DbfNo 
xbShort xbNtx::PutHeadNode ( NtxHeadNode Head,
FILE *  f,
xbShort  UpdateOnly 
) [protected]

Short description.

Parameters:
Head 
f 
UpdateOnly 
xbShort xbNtx::PutKeyData ( xbShort  RecNo,
xbNodeLink n 
) [protected]

Short description.

Parameters:
RecNo 
n 
xbShort xbNtx::PutKeyInNode ( xbNodeLink n,
xbShort  pos,
xbLong  d,
xbLong  l,
xbShort  w 
) [protected]

Short description.

Parameters:
n 
pos 
d 
l 
w 
xbShort xbNtx::PutLeafNode ( xbLong  l,
xbNodeLink n 
) [protected]

Short description.

Parameters:
l 
n 
xbShort xbNtx::PutLeftNodeNo ( xbShort  RecNo,
xbNodeLink n,
xbLong  NodeNo 
) [protected]

Short description.

Parameters:
RecNo 
n 
NodeNo 
xbShort xbNtx::ReIndex ( void(*)(xbLong itemNum, xbLong numItems)  statusFunc = 0  )  [virtual]

Short description.

Parameters:
statusFunc 

Implements xbIndex.

void xbNtx::ReleaseNodeMemory ( xbNodeLink n,
xbBool  doFree = false 
) [protected]

Short description.

Parameters:
n 
xbShort xbNtx::RemoveFromIxList (  )  [protected]
xbShort xbNtx::RemoveKeyFromNode ( xbShort  pos,
xbNodeLink n 
) [protected]

Short description.

Parameters:
pos 
n 
xbShort xbNtx::SplitINode ( xbNodeLink n1,
xbNodeLink n2,
xbLong   
) [protected]

Short description.

Parameters:
n1 
n2 
 
xbShort xbNtx::SplitLeafNode ( xbNodeLink n1,
xbNodeLink n2,
xbShort  pos,
xbLong  d 
) [protected]

Short description.

Parameters:
n1 
n2 
pos 
d 
xbShort xbNtx::TouchIndex ( void   )  [protected, virtual]

Reimplemented from xbIndex.

xbShort xbNtx::UniqueIndex (  )  [inline, virtual]

Implements xbIndex.

void xbNtx::UpdateDeleteList ( xbNodeLink n  )  [protected]

Short description.

Parameters:
n 
xbShort xbNtx::UpdateParentKey ( xbNodeLink n  )  [protected]

Short description.

Parameters:
n 

Member Data Documentation

xbNodeLink* xbNtx::CurNode [protected]
char xbNtx::Node[XB_NTX_NODE_SIZE] [protected]
NtxItem xbNtx::PushItem [protected]

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

Generated on 28 Dec 2009 for Xbase64 Class Library by  doxygen 1.6.1