Class TBufDatasetParser

Unit

fpsbufdataset_parser

Declaration

type TBufDatasetParser = class(TCustomExpressionParser)

Description

Hierarchy

• TCustomExpressionParser
• TBufDatasetParser

Overview

Fields

FCurrentExpression: string;

Methods

	procedure FillExpressList; override;
	procedure HandleUnknownVariable(VarName: string); override;
	function GetVariableInfo(VarName: string): TField;
	function CurrentExpression: string; override;
	function GetResultType: TExpressionType; override;
	procedure SetCaseInsensitive(NewInsensitive: Boolean);
	procedure SetPartialMatch(NewPartialMatch: boolean);
	constructor Create(ADataset: TDataset);
	destructor Destroy; override;
	procedure ClearExpressions; override;
	procedure ParseExpression(AExpression: string); virtual;
	function ExtractFromBuffer(Buffer: TRecordBuffer): PChar; virtual;

Properties

	property Dataset: TDataSet read FDataset;
	property Expression: string read FCurrentExpression;
	property ResultLen: LongInt read FResultLen;
	property CaseInsensitive: Boolean read FCaseInsensitive write SetCaseInsensitive;
	property PartialMatch: boolean read FPartialMatch write SetPartialMatch;

Description

Fields

	FCurrentExpression: string;

Methods

	procedure FillExpressList; override;

	procedure HandleUnknownVariable(VarName: string); override;

	function GetVariableInfo(VarName: string): TField;

	function CurrentExpression: string; override;

	function GetResultType: TExpressionType; override;

	procedure SetCaseInsensitive(NewInsensitive: Boolean);

	procedure SetPartialMatch(NewPartialMatch: boolean);

	constructor Create(ADataset: TDataset);

	destructor Destroy; override;

	procedure ClearExpressions; override;

	procedure ParseExpression(AExpression: string); virtual;

	function ExtractFromBuffer(Buffer: TRecordBuffer): PChar; virtual;

Properties

	property Dataset: TDataSet read FDataset;

	property Expression: string read FCurrentExpression;
write FDataset;

	property ResultLen: LongInt read FResultLen;

	property CaseInsensitive: Boolean read FCaseInsensitive write SetCaseInsensitive;

	property PartialMatch: boolean read FPartialMatch write SetPartialMatch;

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