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hash-lists.txt
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========================================================================
Chapter 1 : Reference for unit 'pointerhash'
========================================================================
------------------------------------------------------------------------
Section 1.1 : Used units
------------------------------------------------------------------------
Unit Name
---------
Classes
System
------------------------------------------------------------------------
Section 1.2 : Overview
------------------------------------------------------------------------
The Class Diagramm kann be found at pointerhash.jpg
------------------------------------------------------------------------
Section 1.3 : Constants, types and variables
------------------------------------------------------------------------
1.3.1 : Types
------------------------------------------------------------------------
PPLHashNode = ^TPLHashNode
A Pointer to the [TPLHashNode] Structure
TPLHashNode = record
ibucketindex : Integer;
inodeindex : Integer;
ihash : Cardinal;
skey : string;
pvalue : Pointer;
end
The Structure that stores the Key and it's Data
------------------------------------------------------------------------
Section 1.4 : TPLPointerHashList
------------------------------------------------------------------------
1.4.1 : Method overview
------------------------------------------------------------------------
Method Description
------------------
Add
Clear
Create
Destroy
getCurrentKey
getCurrentValue
getValue
hasKey
moveFirst
moveNext
removeKey
setCapacity
setGrowFactor
setLoadFactor
setValue
------------------------------------------------------------------------
1.4.2 : Property overview
------------------------------------------------------------------------
Properties Access Description
-----------------------------
Capacity rw
Count r
Duplicates rw
GrowFactor rw
KeyData
rw
LoadFactor rw
------------------------------------------------------------------------
1.4.3 : TPLPointerHashList.Create
------------------------------------------------------------------------
Procedure:
Declaration:
constructor Create; Overload
constructor Create(icapacity: Integer); Overload
constructor Create(icapacity: Integer; ifactor: Integer); Overload
Visibility:
public
1.4.4 : TPLPointerHashList.Destroy
------------------------------------------------------------------------
Procedure:
Declaration:
destructor Destroy; Override
Visibility:
public
1.4.5 : TPLPointerHashList.setLoadFactor
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setLoadFactor(ifactor: Integer)
Visibility:
public
1.4.6 : TPLPointerHashList.setGrowFactor
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setGrowFactor(ifactor: Integer)
Visibility:
public
1.4.7 : TPLPointerHashList.setCapacity
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setCapacity(icapacity: Integer); Virtual
Visibility:
public
1.4.8 : TPLPointerHashList.Add
------------------------------------------------------------------------
Procedure:
Declaration:
function Add(const skey: string; ppointer: Pointer) : Boolean; Virtual
Visibility:
public
1.4.9 : TPLPointerHashList.setValue
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setValue(const skey: string; ppointer: Pointer); Virtual
Visibility:
public
1.4.10 : TPLPointerHashList.removeKey
------------------------------------------------------------------------
Procedure:
Declaration:
procedure removeKey(const skey: string); Virtual
Visibility:
public
1.4.11 : TPLPointerHashList.Clear
------------------------------------------------------------------------
Procedure:
Declaration:
procedure Clear; Virtual
Visibility:
public
1.4.12 : TPLPointerHashList.getValue
------------------------------------------------------------------------
Procedure:
Declaration:
function getValue(const skey: string) : Pointer; Virtual
Visibility:
public
1.4.13 : TPLPointerHashList.hasKey
------------------------------------------------------------------------
Procedure:
Declaration:
function hasKey(const skey: string) : Boolean
Visibility:
public
1.4.14 : TPLPointerHashList.moveFirst
------------------------------------------------------------------------
Procedure:
Declaration:
function moveFirst : Boolean
Visibility:
public
1.4.15 : TPLPointerHashList.moveNext
------------------------------------------------------------------------
Procedure:
Declaration:
function moveNext : Boolean
Visibility:
public
1.4.16 : TPLPointerHashList.getCurrentKey
------------------------------------------------------------------------
Procedure:
Declaration:
function getCurrentKey : string
Visibility:
public
1.4.17 : TPLPointerHashList.getCurrentValue
------------------------------------------------------------------------
Procedure:
Declaration:
function getCurrentValue : Pointer; Virtual
Visibility:
public
1.4.18 : TPLPointerHashList.KeyData
------------------------------------------------------------------------
Property:
Declaration:
Property KeyData[skey: string]: Pointer; default
Visibility:
public
Access:
Read,Write
1.4.19 : TPLPointerHashList.Duplicates
------------------------------------------------------------------------
Property:
Declaration:
Property Duplicates : TDuplicates
Visibility:
public
Access:
Read,Write
1.4.20 : TPLPointerHashList.LoadFactor
------------------------------------------------------------------------
Property:
Declaration:
Property LoadFactor : Integer
Visibility:
public
Access:
Read,Write
1.4.21 : TPLPointerHashList.GrowFactor
------------------------------------------------------------------------
Property:
Declaration:
Property GrowFactor : Integer
Visibility:
public
Access:
Read,Write
1.4.22 : TPLPointerHashList.Capacity
------------------------------------------------------------------------
Property:
Declaration:
Property Capacity : Integer
Visibility:
public
Access:
Read,Write
1.4.23 : TPLPointerHashList.Count
------------------------------------------------------------------------
Property:
Declaration:
Property Count : Integer
Visibility:
public
Access:
Read
------------------------------------------------------------------------
Section 1.5 : TPLPointerNodeList
------------------------------------------------------------------------
1.5.1 : Description
------------------------------------------------------------------------
The TPLPointerNodeList Object manages the TPLHashNode Structures that
match into the same Bucket within the [TPLPointerHashList] List
Object.
With the Constructor the Superior TPLPointerHashList List Object
assigns an Index which the TPLPointerNodeList assigns to all TPLHashNode
Structures that are added to it.
1.5.2 : Method overview
------------------------------------------------------------------------
Method Description
------------------
addNode
Clear
Create
Destroy
getLastIndex
getNode
Pack
reindexList
removeNode
searchIndex
searchNode
searchValue
setGrowFactor
setValue
unsetIndex
------------------------------------------------------------------------
1.5.3 : Property overview
------------------------------------------------------------------------
Properties Access Description
-----------------------------
GrowFactor rw
------------------------------------------------------------------------
1.5.4 : TPLPointerNodeList.Create
------------------------------------------------------------------------
Procedure:
Declaration:
constructor Create; Virtual; Overload
constructor Create(iindex: Integer); Virtual; Overload
constructor Create(iindex: Integer; ifactor: Integer); Virtual
; Overload
Visibility:
public
1.5.5 : TPLPointerNodeList.Destroy
------------------------------------------------------------------------
Procedure:
Declaration:
destructor Destroy; Override
Visibility:
public
1.5.6 : TPLPointerNodeList.setGrowFactor
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setGrowFactor(ifactor: Integer)
Visibility:
public
1.5.7 : TPLPointerNodeList.addNode
------------------------------------------------------------------------
Procedure:
Declaration:
function addNode(pnode: PPLHashNode) : PPLHashNode; Overload
function addNode(ihash: Cardinal; pskey: PAnsiString; ppointer: Pointer)
: PPLHashNode; Overload
Visibility:
public
1.5.8 : TPLPointerNodeList.setValue
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setValue(ihash: Cardinal; pskey: PAnsiString;
ppointer: Pointer); Overload
procedure setValue(pskey: PAnsiString; ppointer: Pointer); Overload
Visibility:
public
1.5.9 : TPLPointerNodeList.unsetIndex
------------------------------------------------------------------------
Procedure:
Declaration:
procedure unsetIndex(iindex: Integer)
Visibility:
public
1.5.10 : TPLPointerNodeList.removeNode
------------------------------------------------------------------------
Procedure:
Declaration:
function removeNode(pnode: PPLHashNode) : Boolean; Overload
function removeNode(ihash: Cardinal; pskey: PAnsiString) : Boolean
; Virtual; Overload
function removeNode(pskey: PAnsiString) : Boolean; Virtual; Overload
Visibility:
public
1.5.11 : TPLPointerNodeList.reindexList
------------------------------------------------------------------------
Procedure:
Declaration:
procedure reindexList
Visibility:
public
1.5.12 : TPLPointerNodeList.Pack
------------------------------------------------------------------------
Procedure:
Declaration:
procedure Pack
Visibility:
public
1.5.13 : TPLPointerNodeList.Clear
------------------------------------------------------------------------
Procedure:
Declaration:
procedure Clear; Virtual
Visibility:
public
1.5.14 : TPLPointerNodeList.getNode
------------------------------------------------------------------------
Procedure:
Declaration:
function getNode(iindex: Integer) : PPLHashNode; Overload
Visibility:
public
1.5.15 : TPLPointerNodeList.searchNode
------------------------------------------------------------------------
Procedure:
Declaration:
function searchNode(ihash: Cardinal; pskey: PAnsiString) : PPLHashNode
; Overload
function searchNode(pskey: PAnsiString) : PPLHashNode; Overload
Visibility:
public
1.5.16 : TPLPointerNodeList.searchValue
------------------------------------------------------------------------
Procedure:
Declaration:
function searchValue(ihash: Cardinal; pskey: PAnsiString) : Pointer
; Overload
function searchValue(pskey: PAnsiString) : Pointer; Overload
Visibility:
public
1.5.17 : TPLPointerNodeList.searchIndex
------------------------------------------------------------------------
Procedure:
Declaration:
function searchIndex(ihash: Cardinal; pskey: PAnsiString) : Integer
; Overload
function searchIndex(pskey: PAnsiString) : Integer; Overload
Visibility:
public
1.5.18 : TPLPointerNodeList.getLastIndex
------------------------------------------------------------------------
Procedure:
Declaration:
function getLastIndex : Integer
Visibility:
public
1.5.19 : TPLPointerNodeList.GrowFactor
------------------------------------------------------------------------
Property:
Declaration:
Property GrowFactor : Integer
Visibility:
public
Access:
Read,Write
========================================================================
Chapter 2 : Reference for unit 'stringhash'
========================================================================
------------------------------------------------------------------------
Section 2.1 : Used units
------------------------------------------------------------------------
Unit Name
---------
Classes
pointerhash
System
SysUtils
------------------------------------------------------------------------
Section 2.2 : TPLStringHashList
------------------------------------------------------------------------
2.2.1 : Method overview
------------------------------------------------------------------------
Method Description
------------------
Add
setCapacity
setValue
------------------------------------------------------------------------
2.2.2 : TPLStringHashList.setCapacity
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setCapacity(icapacity: Integer); Override
Visibility:
public
2.2.3 : TPLStringHashList.Add
------------------------------------------------------------------------
Procedure:
Declaration:
procedure Add(const skey: string; svalue: string); Overload
Visibility:
public
2.2.4 : TPLStringHashList.setValue
------------------------------------------------------------------------
Procedure:
Declaration:
procedure setValue(const skey: string; svalue: string); Overload
Visibility:
public
------------------------------------------------------------------------
Section 2.3 : TPLStringNodeList
------------------------------------------------------------------------
2.3.1 : Description
------------------------------------------------------------------------
The TPLStringNodeList implements the Use Case of the String Hash Table
where the Keys and the Values are both Strings. For convenience it
allocates and disposes the Memory of the Strings.
2.3.2 : Method overview
------------------------------------------------------------------------
Method Description
------------------
addNode
Clear
Destroy
removeNode
------------------------------------------------------------------------
2.3.3 : TPLStringNodeList.Destroy
------------------------------------------------------------------------
Procedure:
Declaration:
destructor Destroy; Override
Visibility:
public
2.3.4 : TPLStringNodeList.addNode
------------------------------------------------------------------------
Procedure:
Declaration:
function addNode(ihash: Cardinal; pskey: PAnsiString;
psvalue: PAnsiString) : PPLHashNode; Overload
Visibility:
public
2.3.5 : TPLStringNodeList.removeNode
------------------------------------------------------------------------
Procedure:
Declaration:
function removeNode(ihash: Cardinal; pskey: PAnsiString) : Boolean
; Override; Overload
function removeNode(pskey: PAnsiString) : Boolean; Override; Overload
Visibility:
public
2.3.6 : TPLStringNodeList.Clear
------------------------------------------------------------------------
Procedure:
Declaration:
procedure Clear; Override
Visibility:
public