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

xbNdx class More...

#include <xbndx.h>

Inheritance diagram for xbNdx:
xbIndex xbFile

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. More...
 
xbShort GetLastKey ()
 Short description. More...
 
xbShort GetFirstKey ()
 Short description. More...
 
xbShort GetPrevKey ()
 Short description. More...
 
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)
 
- Public Member Functions inherited from xbIndex
 xbIndex ()
 
 xbIndex (xbDbf *)
 
virtual ~xbIndex ()
 
xbShort OpenIndex (const char *)
 
xbShort CloseIndex ()
 
virtual xbShort TouchIndex ()
 
virtual xbShort GetNodeSize ()
 
virtual void Flush ()
 
virtual const char * GetIxName ()
 
xbShort AllocKeyBufs ()
 
xbBool IsOpen ()
 

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. More...
 
xbLong GetDbfNo (xbShort RecNo, xbNdxNodeLink *n)
 Short description. More...
 
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 Member Functions inherited from xbFile
void SetFileName (const char *filename)
 
 xbFile ()
 
const xbString & GetFileName ()
 
xbString MakeFileName (const char *filename)
 

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
 
- Protected Attributes inherited from xbIndex
xbIndex * index
 
xbDbf * dbf
 
xbExpn * IxExp
 
FILE * indexfp
 
xbULong CurDbfRec
 
char * KeyBuf
 
char * KeyBuf2
 
xbShort NodeSize
 

Detailed Description

xbNdx class

Constructor & Destructor Documentation

§ xbNdx() [1/2]

xbNdx::xbNdx ( )

§ xbNdx() [2/2]

xbNdx::xbNdx ( xbDbf *  )

§ ~xbNdx()

virtual xbNdx::~xbNdx ( )
virtual

Member Function Documentation

§ AddKey()

xbShort xbNdx::AddKey ( xbLong  )
virtual

Implements xbIndex.

§ AddToIxList()

xbShort xbNdx::AddToIxList ( )
protected

§ BSearchNode()

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

§ CalcKeyLen()

xbShort xbNdx::CalcKeyLen ( )
protected

§ CompareKey()

xbShort xbNdx::CompareKey ( const char *  Key1,
const char *  Key2,
xbShort  Klen 
)
inlineprotected

Short description.

§ CreateIndex()

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

Implements xbIndex.

§ CreateKey()

xbShort xbNdx::CreateKey ( xbShort  ,
xbShort   
)
virtual

Implements xbIndex.

§ DeleteKey()

xbShort xbNdx::DeleteKey ( xbLong  )
virtual

Implements xbIndex.

§ DeleteSibling()

xbShort xbNdx::DeleteSibling ( xbNdxNodeLink *  )
protected

§ FindKey() [1/5]

xbShort xbNdx::FindKey ( const char *  Key)
virtual

Implements xbIndex.

§ FindKey() [2/5]

xbShort xbNdx::FindKey ( )
virtual

Implements xbIndex.

§ FindKey() [3/5]

xbShort xbNdx::FindKey ( xbDouble  )
virtual

Implements xbIndex.

§ FindKey() [4/5]

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

§ FindKey() [5/5]

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

§ FreeNodesMemory()

virtual void xbNdx::FreeNodesMemory ( )
protectedvirtual

Implements xbIndex.

§ GetCurDbfRec()

xbULong xbNdx::GetCurDbfRec ( )
inlinevirtual

Implements xbIndex.

§ GetCurrentKey()

xbShort xbNdx::GetCurrentKey ( char *  key)
virtual

Implements xbIndex.

§ GetDbfNo()

xbLong xbNdx::GetDbfNo ( xbShort  RecNo,
xbNdxNodeLink *  n 
)
inlineprotected

Short description.

§ GetExpression()

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

Implements xbIndex.

§ GetExtWithDot()

virtual const char* xbNdx::GetExtWithDot ( bool  lower)
virtual

Implements xbFile.

§ GetFirstKey() [1/2]

xbShort xbNdx::GetFirstKey ( )
inlinevirtual

Short description.

Implements xbIndex.

§ GetFirstKey() [2/2]

xbShort xbNdx::GetFirstKey ( xbShort  )
protected

§ GetHeadNode()

virtual xbShort xbNdx::GetHeadNode ( )
protectedvirtual

Implements xbIndex.

§ GetKeyData()

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

§ GetKeyExpression()

virtual const char* xbNdx::GetKeyExpression ( )
protectedvirtual

Implements xbIndex.

§ GetKeyLen()

virtual xbUShort xbNdx::GetKeyLen ( )
protectedvirtual

Implements xbIndex.

§ GetKeysPerNode()

xbUShort xbNdx::GetKeysPerNode ( )
protected

§ GetLastKey() [1/2]

xbShort xbNdx::GetLastKey ( )
inlinevirtual

Short description.

Implements xbIndex.

§ GetLastKey() [2/2]

xbShort xbNdx::GetLastKey ( xbLong  ,
xbShort   
)
protected

§ GetLeafFromInteriorNode()

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

§ GetLeafNode()

xbShort xbNdx::GetLeafNode ( xbLong  ,
xbShort   
)
protected

§ GetLeftNodeNo()

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

§ GetNextKey() [1/2]

xbShort xbNdx::GetNextKey ( )
inlinevirtual

Short description.

Implements xbIndex.

§ GetNextKey() [2/2]

xbShort xbNdx::GetNextKey ( xbShort  )
protected

§ GetNodeMemory()

xbNdxNodeLink* xbNdx::GetNodeMemory ( )
protected

§ GetPrevKey() [1/2]

xbShort xbNdx::GetPrevKey ( )
inlinevirtual

Short description.

Implements xbIndex.

§ GetPrevKey() [2/2]

xbShort xbNdx::GetPrevKey ( xbShort  )
protected

§ GetTotalNodes()

xbLong xbNdx::GetTotalNodes ( )
virtual

Implements xbIndex.

§ KeyExists() [1/2]

xbShort xbNdx::KeyExists ( const char *  Key)
inline

§ KeyExists() [2/2]

xbShort xbNdx::KeyExists ( xbDouble  )
virtual

Implements xbIndex.

§ KeyWasChanged()

xbShort xbNdx::KeyWasChanged ( )
virtual

Implements xbIndex.

§ LeftSiblingHasSpace()

xbNdxNodeLink* xbNdx::LeftSiblingHasSpace ( xbNdxNodeLink *  )
protected

§ MoveToLeftNode()

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

§ MoveToRightNode()

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

§ ProcessDeleteList()

void xbNdx::ProcessDeleteList ( )
protected

§ PutDbfNo()

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

§ PutHeadNode()

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

§ PutKeyData()

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

§ PutKeyInNode()

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

§ PutLeafNode()

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

§ PutLeftNodeNo()

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

§ ReIndex()

xbShort xbNdx::ReIndex ( void(*)(xbLong itemNum, xbLong numItems)  statusFunc = 0)
virtual

Implements xbIndex.

§ ReleaseNodeMemory()

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

§ RemoveFromIxList()

xbShort xbNdx::RemoveFromIxList ( )
protected

§ RemoveKeyFromNode()

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

§ RightSiblingHasSpace()

xbNdxNodeLink* xbNdx::RightSiblingHasSpace ( xbNdxNodeLink *  )
protected

§ SetNodeSize()

virtual void xbNdx::SetNodeSize ( xbShort  size)
virtual

Reimplemented from xbIndex.

§ SplitINode()

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

§ SplitLeafNode()

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

§ UniqueIndex()

xbShort xbNdx::UniqueIndex ( )
inlinevirtual

Implements xbIndex.

§ UpdateDeleteList()

void xbNdx::UpdateDeleteList ( xbNdxNodeLink *  )
protected

§ UpdateParentKey()

xbShort xbNdx::UpdateParentKey ( xbNdxNodeLink *  )
protected

Member Data Documentation

§ CurNode

xbNdxNodeLink* xbNdx::CurNode
protected

§ DeleteChain

xbNdxNodeLink* xbNdx::DeleteChain
protected

§ FreeNodeChain

xbNdxNodeLink* xbNdx::FreeNodeChain
protected

§ HeadNode

xbNdxHeadNode xbNdx::HeadNode
protected

§ LeafNode

xbNdxLeafNode xbNdx::LeafNode
protected

§ Node

char xbNdx::Node[XB_MAX_NDX_NODE_SIZE]
protected

§ NodeChain

xbNdxNodeLink* xbNdx::NodeChain
protected

§ ReusedxbNodeLinks

xbLong xbNdx::ReusedxbNodeLinks
protected

§ xbNodeLinkCtr

xbLong xbNdx::xbNodeLinkCtr
protected
The documentation for this class was generated from the following file:
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