public Field(string name, Address address, Value.ValueType type = Value.ValueType.Text, Vocabulary vocabulary = null)
{
_name = name;
_address = address;
_type = type;
_vocabulary = vocabulary;
}
protected override Value GetValue(int row, int col, Value.ValueType type = Value.ValueType.Text)
{
if (_worksheet == null)
throw new CursorException("Worksheet is Null for Excel2003 Cursor");
if (row <= 0 || col <= 0)
throw new CursorException("Row and Column Indexes should be positive (>=1)");
var cell = _worksheet.Cells[row-1, col-1];
if (cell == null || cell.Value == null || cell.IsEmpty)
return "";
//var cellType = cell.Format.FormatType;
if (type == Value.ValueType.Date)
{
return cell.DateTimeValue;
}
if (type == Value.ValueType.Number)
{
return Convert.ToDouble(cell.Value);
}
return cell.StringValue;
}
protected override Value GetValue(int row, int col, Value.ValueType type = Value.ValueType.Text)
{
if (_worksheet == null)
throw new CursorException("Worksheet is Null for Excel2007 Cursor");
if (row <= 0 || col <= 0)
throw new CursorException("Row and Column Indexes should be positive (>=1)");
var range = _worksheet.Cells[row, col];
if (range == null || range.Value == null)
return "";
if (type == Value.ValueType.Date || range.Value is DateTime)
return Convert.ToDateTime(range.Value);
return range.Value.ToString();
}
public override Value GetValue(Address address, Value.ValueType type = Value.ValueType.Text)
{
if (address == null || String.IsNullOrEmpty(address.Uri))
return "";
var adr = address.Uri;
//calculate column index or RC value
int row = _row, col = 0;
if (Int32.TryParse(adr, out col) || CursorExcel.ParseExcelAddress(adr, ref row, ref col))
return this.GetValue(row, col, type);
//calculate expression
var expression = adr.StartsWith("=") ? adr.Substring(1) : adr;
var calc = SXExpression.Calculate(expression, _environment);
if (calc == null || calc.Value == null)
throw new CursorException("Can't evaluate expression");
return Value.Convert(calc.Value, type);
//calculate expression
//if (adr.StartsWith("=") && adr.Length > 1)
// return SXExpression.Calculate(adr.Substring(1), _environment);
////get '...' value
//if (adr.Length >= 2 && adr.IndexOf('\'') == 0 && adr.IndexOf('\'', 1) == adr.Length - 1)
// return Value.Convert(adr.Substring(1, adr.Length - 2), type);
////get concatination ... + ... + ...
//if (adr.Contains('+'))
//{
// var parts = adr.Split(new char[] { '+' }, StringSplitOptions.RemoveEmptyEntries);
// return Value.Convert(String.Join("", parts.Select(part => this.GetValue(part).ToString())), type);
//}
//throw new CursorException(String.Format("Excel Address not recognized: {0}", adr));
}
protected abstract Value GetValue(int row, int col, Value.ValueType type = Value.ValueType.Text);
public static Value Convert(SXLexemValue value, Value.ValueType type)
{
if (value == null)
throw new ArgumentException("Can't convert null LexemValue to Value");
switch (type)
{
case Value.ValueType.Date:
{
if (value.Type == SXLexemValue.ValueType.Date)
return (value as SXLexemDate).Value;
if (value.Type == SXLexemValue.ValueType.Text)
return SXLexemDate.ParseDatetime((value as SXLexemText).Value);
break;
}
case Value.ValueType.Number:
{
if (value.Type == SXLexemValue.ValueType.Number)
return (value as SXLexemNumber).Value;
if (value.Type == SXLexemValue.ValueType.Text)
return SXLexemNumber.ParseDouble((value as SXLexemText).Value, true);
break;
}
default:
{
if (value.Type == SXLexemValue.ValueType.Text)
return (value as SXLexemText).Value;
if (value.Type == SXLexemValue.ValueType.Number)
return (value as SXLexemNumber).Value.ToString();
if (value.Type == SXLexemValue.ValueType.Date)
return (value as SXLexemDate).Value.ToString();
break;
}
}
throw new ReportGrabberException(String.Format("LexemValue {0} not recognized as Value", value.ToString()));
}
public static Value Convert(Value value, Value.ValueType type)
{
if (value == null)
return null;
if (value.Type == type)
return value;
switch (type)
{
case Value.ValueType.Number:
return SXLexemNumber.ParseDouble(value.ToString(), true);
case Value.ValueType.Date:
return SXLexemDate.ParseDatetime(value.ToString());
default:
return value.ToString();
}
}
public Data(string name, Value value)
{
_name = name;
_value = value;
}
/// <summary>
/// Adds the Data to current collection
/// </summary>
/// <param name="name">Name of the new Data</param>
/// <param name="value">Value of the new Data</param>
/// <exception cref="ArgumentException">thrown when Name is empty or Data with such Name already exists in the collection</exception>
public void Add(string name, Value value)
{
if (value == null)
throw new ArgumentException("ReportData can't have null Value");
if (String.IsNullOrEmpty(name))
throw new ArgumentException("ReportData can't have empty Name");
var item = this.Get(name);
if (item != null)
throw new ArgumentException(String.Format("ReportData with same name {0} already exists in current Collection"), name);
_values.Add(new Data(name, value));
}
