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xbNdx Class Reference

xbNdx class More...

#include <ndx.h>

Inheritance diagram for xbNdx:

xbIndex List of all members.

Public Member Functions

 xbNdx ()
 xbNdx (xbDbf *)
 ~xbNdx ()
xbShort OpenIndex (const char *FileName)
xbShort CloseIndex ()
xbShort CreateIndex (const char *IxName, const char *Exp, xbShort Unique, xbShort OverLay)
xbLong GetTotalNodes ()
xbLong 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)

Protected Member Functions

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 ()
xbShort GetHeadNode ()
xbShort GetLeafNode (xbLong, xbShort)
xbNdxNodeLinkGetNodeMemory ()
void ReleaseNodeMemory (xbNdxNodeLink *)
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 ()
xbNdxNodeLinkLeftSiblingHasSpace (xbNdxNodeLink *)
xbNdxNodeLinkRightSiblingHasSpace (xbNdxNodeLink *)
xbShort DeleteSibling (xbNdxNodeLink *)
xbShort MoveToLeftNode (xbNdxNodeLink *, xbNdxNodeLink *)
xbShort MoveToRightNode (xbNdxNodeLink *, xbNdxNodeLink *)
xbShort FindKey (const char *Tkey, xbLong DbfRec)
xbShort CloneNodeChain ()
xbShort UncloneNodeChain ()

Protected Attributes

xbNdxHeadNode HeadNode
xbNdxLeafNode LeafNode
xbLong xbNodeLinkCtr
xbLong ReusedxbNodeLinks
xbString IndexName
char Node [XB_MAX_NDX_NODE_SIZE]
xbNdxNodeLinkNodeChain
xbNdxNodeLinkFreeNodeChain
xbNdxNodeLinkCurNode
xbNdxNodeLinkDeleteChain
xbNdxNodeLinkCloneChain
xbLong CurDbfRec
char * KeyBuf
char * KeyBuf2

Detailed Description

xbNdx class


Constructor & Destructor Documentation

xbNdx::xbNdx  )  [inline]
 

xbNdx::xbNdx xbDbf  ) 
 

xbNdx::~xbNdx  )  [inline]
 


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::CloneNodeChain  )  [protected]
 

xbShort xbNdx::CloseIndex  )  [virtual]
 

Implements xbIndex.

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 *  Tkey,
xbLong  DbfRec
[protected]
 

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

xbShort xbNdx::FindKey xbDouble   )  [virtual]
 

Implements xbIndex.

xbShort xbNdx::FindKey  )  [virtual]
 

Implements xbIndex.

xbShort xbNdx::FindKey const char *  Key  )  [virtual]
 

Implements xbIndex.

xbLong xbNdx::GetCurDbfRec void   )  [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.

xbShort xbNdx::GetFirstKey xbShort   )  [protected]
 

xbShort xbNdx::GetFirstKey void   )  [inline, virtual]
 

Short description.

Implements xbIndex.

xbShort xbNdx::GetHeadNode  )  [protected]
 

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

xbUShort xbNdx::GetKeysPerNode  )  [protected]
 

xbShort xbNdx::GetLastKey xbLong  ,
xbShort 
[protected]
 

xbShort xbNdx::GetLastKey void   )  [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 xbShort   )  [protected]
 

xbShort xbNdx::GetNextKey void   )  [inline, virtual]
 

Short description.

Implements xbIndex.

xbNdxNodeLink* xbNdx::GetNodeMemory  )  [protected]
 

xbShort xbNdx::GetPrevKey xbShort   )  [protected]
 

xbShort xbNdx::GetPrevKey void   )  [inline, virtual]
 

Short description.

Implements xbIndex.

xbLong xbNdx::GetTotalNodes  )  [virtual]
 

Implements xbIndex.

xbShort xbNdx::KeyExists xbDouble   )  [virtual]
 

Implements xbIndex.

xbShort xbNdx::KeyExists const char *  Key  )  [inline]
 

xbShort xbNdx::KeyWasChanged  )  [virtual]
 

Implements xbIndex.

xbNdxNodeLink* xbNdx::LeftSiblingHasSpace xbNdxNodeLink  )  [protected]
 

xbShort xbNdx::MoveToLeftNode xbNdxNodeLink ,
xbNdxNodeLink
[protected]
 

xbShort xbNdx::MoveToRightNode xbNdxNodeLink ,
xbNdxNodeLink
[protected]
 

xbShort xbNdx::OpenIndex const char *  FileName  )  [virtual]
 

Implements xbIndex.

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  )  [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::UncloneNodeChain  )  [protected]
 

xbShort xbNdx::UniqueIndex void   )  [inline, virtual]
 

Implements xbIndex.

void xbNdx::UpdateDeleteList xbNdxNodeLink  )  [protected]
 

xbShort xbNdx::UpdateParentKey xbNdxNodeLink  )  [protected]
 


Member Data Documentation

xbNdxNodeLink* xbNdx::CloneChain [protected]
 

xbLong xbNdx::CurDbfRec [protected]
 

Reimplemented from xbIndex.

xbNdxNodeLink* xbNdx::CurNode [protected]
 

xbNdxNodeLink* xbNdx::DeleteChain [protected]
 

xbNdxNodeLink* xbNdx::FreeNodeChain [protected]
 

xbNdxHeadNode xbNdx::HeadNode [protected]
 

xbString xbNdx::IndexName [protected]
 

Reimplemented from xbIndex.

char* xbNdx::KeyBuf [protected]
 

Reimplemented from xbIndex.

char* xbNdx::KeyBuf2 [protected]
 

Reimplemented from xbIndex.

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:
Generated on Sun Jun 4 09:49:22 2006 for Xbase Class Library by  doxygen 1.4.4