private bool SkipRows(CsvReader reader, int numRows)
{
IList<string> row;
int i = 0;
while (reader.ReadRow(out row))
{
i++;
if (i == numRows)
break;
}
return i == numRows;
}
public void Import(object importSettingsViewModel, Stream stream, CogProject project)
{
var reader = new CsvReader(new StreamReader(stream), ',');
if (!SkipRows(reader, 5))
{
project.Meanings.Clear();
project.Varieties.Clear();
return;
}
var varieties = new List<Variety>();
var meanings = new Dictionary<string, Meaning>();
IList<string> varietyRow;
while (reader.ReadRow(out varietyRow))
{
if (string.IsNullOrEmpty(varietyRow[0]))
break;
var variety = new Variety(varietyRow[0].Trim());
if (!SkipRows(reader, 2))
throw new ImportException("Metadata for a variety is incomplete.");
Meaning curMeaning = null;
IList<string> glossRow;
while (reader.ReadRow(out glossRow) && glossRow.Any(s => !string.IsNullOrEmpty(s)))
{
if (!string.IsNullOrEmpty(glossRow[0]))
{
string gloss = glossRow[0].Trim();
curMeaning = meanings.GetValue(gloss, () => new Meaning(gloss, null));
}
if (curMeaning == null)
throw new ImportException("A gloss is missing.");
string wordStr = glossRow[1].Trim();
if (!string.IsNullOrEmpty(wordStr))
variety.Words.Add(new Word(wordStr, curMeaning));
}
varieties.Add(variety);
}
project.Meanings.ReplaceAll(meanings.Values);
project.Varieties.ReplaceAll(varieties);
}
public IEnumerable<Tuple<string, string>> Import(object importSettingsViewModel, Stream stream)
{
var mappings = new List<Tuple<string, string>>();
var reader = new CsvReader(new StreamReader(stream), _delimiter);
IList<string> mapping;
while (reader.ReadRow(out mapping))
{
if (mapping.Count >= 2)
{
string str1 = mapping[0].Trim();
string str2 = mapping[1].Trim();
if (string.IsNullOrEmpty(str1) || string.IsNullOrEmpty(str2))
throw new ImportException("An empty segment is not allowed.");
mappings.Add(Tuple.Create(str1, str2));
}
}
return mappings;
}
