public override IList <Entities.Row> Parse(StreamReader stream)
{
List <Entities.Row> result = new List <Entities.Row>();
if (!ZipUtilities.IsCorrectZipArchive(stream.BaseStream))
{
throw new PartialAssociationRulesException(ExceptionsList.IncorrectArchive);
}
StreamReader header = ZipUtilities.ExtractFileWithColumnNames(stream.BaseStream);
header.BaseStream.Seek(0, SeekOrigin.Begin);
Regex getPointSeven = new Regex(@"(?<file>^7.[\s\w:,-\[\]\(\)\{\}]+)"
, RegexOptions.Multiline | RegexOptions.IgnoreCase);
string file = getPointSeven.Match(header.ReadToEnd()).Groups["file"].Value;
int ind = SettingsManager.Settings.DefaultRegexIndex;
var selectedRegex =
SettingsManager.Settings.RegexForNamesHeader.Split(new string[] { ";;;" }, StringSplitOptions.None)[ind];
Regex linesWithAttributes = new Regex(selectedRegex,
//@"((^[\t ]+\d+\.\s+)(?<data>[^\s:]+))|((^[\t ]+\s+)(?<data>[^\s:]+))",//RegexForHeader,
RegexOptions.Multiline | RegexOptions.IgnoreCase);
var linesWithAttributesMatched = linesWithAttributes.Matches(file);
List <string> attrNames = new List <string>();
foreach (Match singleMatch in linesWithAttributesMatched)
{
string attr = singleMatch.Groups["data"].Value;
attrNames.Add(attr);
}
StreamReader data = ZipUtilities.ExtractFileWithData(stream.BaseStream);
data.BaseStream.Seek(0, SeekOrigin.Begin);
string line;
int rowNumber = 1;
while ((line = data.ReadLine()) != null)
{
if (!String.IsNullOrEmpty(line))
{
Row row = new Row();
row.Name = ("r" + rowNumber++);
int index = 0;
foreach (string s in line.Split(supportedDelimiters))
{
try
{
row.Attributes.Add(new Entities.Attribute(attrNames[index++], s));
}
catch (ArgumentOutOfRangeException)
{
//Occurs when in one line is more values than in the first line with attributes names
//then rethrow an app specific exception
stream.Close();
throw new PartialAssociationRulesException(ExceptionsList.ArgumentCountIncorrect);
}
}
result.Add(row);
index = 0;
}
}
stream.Close();
Verify(result);
return(result);
}
