protected override void ComputeToken(int id, string name, PatternType type, string pattern, ExpressionContext context)
{
ExpressionParserOptions options = context.ParserOptions;
char digitsBeforePattern = (options.RequireDigitsBeforeDecimalPoint ? '+' : '*');
pattern = string.Format(pattern, digitsBeforePattern, options.DecimalSeparator);
this.SetData(id, name, type, pattern);
}
public static SingleLiteralElement Parse(string image, IServiceProvider services)
{
ExpressionParserOptions options = (ExpressionParserOptions)services.GetService(typeof(ExpressionParserOptions));
SingleLiteralElement element = new SingleLiteralElement();
try {
float value = options.ParseSingle(image);
return(new SingleLiteralElement(value));
} catch (OverflowException) {
element.OnParseOverflow(image);
return(null);
}
}
public static DecimalLiteralElement Parse(string image, IServiceProvider services)
{
ExpressionParserOptions options = (ExpressionParserOptions)services.GetService(typeof(ExpressionParserOptions));
DecimalLiteralElement element = new DecimalLiteralElement();
try
{
decimal value = options.ParseDecimal(image);
return(new DecimalLiteralElement(value));
}
catch (OverflowException ex)
{
element.OnParseOverflow(image);
return(null);
}
}
protected override void ComputeToken(int id, string name, PatternType type, string pattern, ExpressionContext context)
{
ExpressionParserOptions options = context.ParserOptions;
this.SetData(id, name, type, options.FunctionArgumentSeparator.ToString());
}
