public RdlcExpression GetParsedRdlcExpression(string rdlcExpressionText, string tablixDatasetName)
{
var rdlcExpression = new RdlcExpression();
var regex = new Regex(RegexForFieldOnly + "|" + RegexForFieldWithDataset, RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
var matches = regex.Matches(rdlcExpressionText);
var fieldDataStrings = new List <string>();
foreach (Match match in matches)
{
if (!fieldDataStrings.Exists(s => s == match.Value))
{
fieldDataStrings.Add(match.Value);
}
}
rdlcExpression.ExpressionText = rdlcExpressionText;
rdlcExpression.FieldStrings = fieldDataStrings;
rdlcExpression.Fields = MakeDataFields(fieldDataStrings, tablixDatasetName);
rdlcExpression.SpacialAttributes = CheckSpecialAttributes(rdlcExpressionText);
return(rdlcExpression);
}
string BuildLabelText(RdlcExpression rdlcExpression)
{
bool hasIif = rdlcExpression.SpacialAttributes.Exists(a => a == SpacialAttribute.Iif);
bool hasSwitch = rdlcExpression.SpacialAttributes.Exists(a => a == SpacialAttribute.Switch);
string labelText = "";
for (int i = 0; i < rdlcExpression.Fields.Count && i < _maxFieldsToConcate; i++)
{
var fieldText = rdlcExpression.Fields[i].Field;
var datasetName = rdlcExpression.Fields[i].Dataset;
if (fieldText.Length == 0)
{
continue;
}
if (i != 0)
{
labelText += "_";
}
// shorten length
if (_maxFieldLength > 0 && fieldText.Length > _maxFieldLength)
{
fieldText = fieldText.Substring(0, _maxFieldLength);
}
if (datasetName.Equals("LookupTable"))
{
labelText += fieldText.Substring(0, 1).ToUpper() + fieldText.Substring(1);
}
else
{
labelText += fieldText.Substring(0, 1).ToLower() + fieldText.Substring(1);
}
}
return(labelText);
}
