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Update ParseCSVLine.cs to fix the behaviour in case of null or missing values #118

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Update ParseCSVLine.cs to fix the behaviour in case of null or missing values #118

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12 changes: 12 additions & 0 deletions encog-core-cs/Util/CSV/ParseCSVLine.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -65,13 +65,20 @@ private IList<String> ParseCharSep(string line)
char ch = line[i];
if ((ch == Format.Separator) && !quoted)
{
//If value is empty string, that means value is missing, in Encog terms unkown or missing value is represnted with "?"
if (item.Length == 0)
{
item.Append("?");
}
String s = item.ToString();
if (!hadQuotes)
{
s = s.Trim();
}
result.Add(s);
item.Length = 0;
//We just process "a seperator" that means we are expecting value after the sperator, if it does not present then "?" is going to be the default value. which means missing value in Encog terms.
item.Append("?");
quoted = false;
hadQuotes = false;
}
Expand All @@ -86,6 +93,11 @@ private IList<String> ParseCharSep(string line)
}
else
{
//We found as valid value so remove the missing value character.
if (item.ToString() == "?")
{
item.Length--;
}
item.Append(ch);
}
}
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