C1.CalcEngine.ExpressionEngine.IExpressionSyntax
IExpressionSyntax Interface
Defines the properties and methods of a class that contains the syntax of an expression engine.
Namespace: C1.CalcEngine.ExpressionEngine
Assembly: C1.CalcEngine.dll
Syntax
public interface IExpressionSyntaxProperties
| Name | Description |
|---|---|
| IdentifierChars | Gets or sets a string that specifies special characters that are valid for identifiers. |
| StringQuotes | Gets a collection of opening and closing quotes for strings. |
Methods
| Name | Description |
|---|---|
| AddItem(ExpressionItem) | Adds an ExpressionItem to the items collection. |
| ClearItems() | Clear all items from the error collection. |
| GetFieldName(string) | Gets the field name from the data source. |
| RegisterConstant(string, object) | Registers a constant that can be evaluated by expression engine. |
| RegisterFields() | Registers the data source field names that can be evaluated by expression engine. |
| RegisterFunction(string, int, Func<List<IExpression>, object>, ItemType) | Registers a function that can be evaluated by expression engine. |
| RegisterFunction(string, int, int, Func<List<IExpression>, object>, ItemType) | Registers a function that can be evaluated by expression engine. |
| RegisterToken(object, TKID, TKTYPE) | Registers a token that can be evaluated by expression engine. |
| RegisterVariable(string, object) | Registers a variable that can be evaluated by expression engine. |