Namespace: Consultingwerk.Framework.ExpressionParser
Class 
LogicalExpressionParser Copy to Clipboard
Parent classes:
Progress.Lang.Object
Consultingwerk.Framework.ExpressionParser.LogicalExpressionParser

Inherits: Progress.Lang.Object


Navigate to: Methods | Constructors | Events | Properties | ProDatasets | Temp-Tables



Top Method Summary
Options Name Purpose
+ LOGICAL Evaluate (character) Evaluates a logical expression

Top Constructor Summary
Options Name Purpose
LogicalExpressionParser () Static Constructor for the LogicalExpressionParser class
+ LogicalExpressionParser (ILogicalValueProvider) Constructor for the LogicalExpressionParser class

Top Property Summary
Options Name Purpose
+ Consultingwerk.Framework.ExpressionParser.ILogicalValueProvider LogicalValueProvider


Method Detail
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PUBLIC LOGICAL Evaluate (character)
Purpose: Evaluates a logical expression
Notes: Parses logical expressions, supports the following logical operators:
& AND
| OR
! NOT
Supports for double/single quoted expressions
Supports parenthesis

Parameters:
pcExpression CHARACTER
The logical expression to evaluate
Returns LOGICAL
The expression result


Constructor Detail
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STATIC LogicalExpressionParser ()
Purpose: Static Constructor for the LogicalExpressionParser class
Notes: Creates single temp-table record required by expression parser

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PUBLIC LogicalExpressionParser (ILogicalValueProvider)
Purpose: Constructor for the LogicalExpressionParser class
Notes:

Parameters:
poValueProvider Consultingwerk.Framework.ExpressionParser.ILogicalValueProvider
The ILogicalValueProvider that provides the values for the expression parser


Property Detail
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PUBLIC Consultingwerk.Framework.ExpressionParser.ILogicalValueProvider LogicalValueProvider

Returns Consultingwerk.Framework.ExpressionParser.ILogicalValueProvider


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