/// <summary>
/// Parse the file to Row objects.
/// </summary>
/// <param name="stream">Stream which contains a file to parse.</param>
/// <returns>List of parsed rows.</returns>
public override IList <Entities.Row> Parse(System.IO.StreamReader stream)
{
List <Entities.Row> result = new List <Entities.Row>();
Regex attributes = new Regex(@"(@attribute )([\w\d._'-]+)([\s\{\}, \d\w]+)", RegexOptions.IgnoreCase);
Regex data = new Regex("(@data)([\\d\\w, \r\n.'\"-]+)", RegexOptions.Multiline | RegexOptions.IgnoreCase);
//get the entire file
string file = stream.ReadToEnd();
MatchCollection matchedAttributes = attributes.Matches(file);
string[] attributesNames = new string[matchedAttributes.Count];
int index = 0;
foreach (Match m in matchedAttributes)
{
attributesNames[index++] = m.Groups[2].Value.Trim('\'');
}
index = 1;
data.Match(file)
.Groups[2]
.Value
.Split(new string[] { "\n", Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries)
.ToList()
.ForEach(x =>
{
// x = x;
Entities.Row row = new Entities.Row()
{
Name = ("r" + index++)
};
int attrIndex = 0;
x.Split(supportedDelimiters)
.ToList()
.ForEach(i =>
{
row.Attributes.Add(new Entities.Attribute(attributesNames[attrIndex++], i.Trim('\'', '\"')));
});
result.Add(row);
});
Verify(result);
return(result);
}
/// <summary>
/// Generate rows for information system.
/// </summary>
/// <returns>List of rows.</returns>
public IList <Entities.Row> Generate()
{
List <Entities.Row> result = new List <Entities.Row>(NumberOfObjects);
for (int i = 0; i < NumberOfObjects; i++)
{
Entities.Row row = new Entities.Row();
row.Name = "r" + (i + 1);
for (int j = 0; j < NumberOfAttributes; j++)
{
row.Attributes.Add(new Entities.Attribute("a" + (j + 1), RandomValue));
}
result.Add(row);
}
return(result);
}
