public StringSlice Process(StringSlice inSlice)
{
StringSlice slice = inSlice.TrimStart().Trim(QuoteTrim);
// if this contains escaped CSV sequences, unescape it here
if (m_Unescape && (slice.Contains("\\") || slice.Contains("\"\"")))
{
return(slice.Unescape(Escaper.Instance));
}
return(slice);
}
public StringSlice Process(StringSlice inSlice)
{
StringSlice slice = inSlice.Trim();
if (slice.Length >= 2 && slice.StartsWith('"') && slice.EndsWith('"'))
{
slice = slice.Substring(1, slice.Length - 2);
}
// if this contains escaped CSV sequences, unescape it here
if (m_Unescape && (slice.Contains("\\") || slice.Contains("\\\"")))
{
return(slice.Unescape(Escaper.Instance));
}
return(slice);
}
/// <summary>
/// Determines if a string matches the given filter.
/// Wildcard characters are supported at the start and end of the filter.
/// </summary>
/// <remarks>
/// This does not yet support wildcards in the middle of the filter.
/// </remarks>
static public bool WildcardMatch(StringSlice inString, string inFilter, char inWildcard = '*', bool inbIgnoreCase = false)
{
if (string.IsNullOrEmpty(inFilter))
{
return(inString.IsEmpty);
}
int filterLength = inFilter.Length;
if (filterLength == 1 && inFilter[0] == inWildcard)
{
return(true);
}
if (filterLength == 2 && inFilter[0] == inWildcard && inFilter[1] == inWildcard)
{
return(true);
}
bool bStart = inFilter[0] == inWildcard;
bool bEnd = inFilter[filterLength - 1] == inWildcard;
if (bStart || bEnd)
{
string filterStr = inFilter;
int startIdx = 0;
if (bStart)
{
++startIdx;
--filterLength;
}
if (bEnd)
{
--filterLength;
}
filterStr = filterStr.Substring(startIdx, filterLength);
if (bStart && bEnd)
{
return(inString.Contains(filterStr, inbIgnoreCase));
}
if (bStart)
{
return(inString.EndsWith(filterStr, inbIgnoreCase));
}
return(inString.StartsWith(filterStr, inbIgnoreCase));
}
return(inString.Equals(inFilter, inbIgnoreCase));
}
