Xbase64 Class Library  3.1.2
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
xbNtx Class Reference

xbNtx class More...

#include <xbntx.h>

Inheritance diagram for xbNtx:
xbIndex xbFile

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)
xbNodeLinkGetNodeMemory ()
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]
xbNodeLinkNodeChain
xbNodeLinkFreeNodeChain
xbNodeLinkCurNode
xbNodeLinkDeleteChain
NtxItem PushItem
- Protected Attributes inherited from xbIndex
xbIndexindex
xbDbfdbf
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: