private static string GetSortOrderBy(string[] args)
{
string orderBy = "";
if (args == null || args.Length <= 0)
{
return(orderBy);
}
//CommandlineParameterFinder.DefaultLogicMatchingType = StringArraySearcher.DefaultLogicMatchingTypes.Equals;
//Func<string, string, bool> matchLogic = CommandlineParameterFinder.DefaultMatchLogic;
bool caseSensitive = false;
//int occurrence = 1;
int indexOffset = 1;
SearchDetails searchDetails = null;
searchDetails = CommandlineParameterFinder.FindMatch(args, "--order-by", caseSensitive, indexOffset); // indexOffset);
if (searchDetails.Matched)
{
orderBy = searchDetails.Value;
}
return(orderBy);
}
private static DelimitedTextReader CreateTextReader(string[] args)
{
DelimitedTextReader textReader = new DelimitedTextReader();
if (args == null || args.Length <= 0)
{
return(textReader);
}
//CommandlineParameterFinder.DefaultLogicMatchingType = StringArraySearcher.DefaultLogicMatchingTypes.Equals;
//Func<string, string, bool> matchLogic = CommandlineParameterFinder.DefaultMatchLogic;
bool caseSensitive = false;
//int occurrence = 1;
int indexOffset = 1;
SearchDetails searchDetails = null;
//searchDetails = CommandlineParameterFinder.FindMatch(args, "--file", caseSensitive, indexOffset); // indexOffset);
//if(searchDetails.Matched) file = searchDetails.Value;
searchDetails = CommandlineParameterFinder.FindMatch(args, "--field-delimiter", caseSensitive, indexOffset);
if (searchDetails.Matched)
{
textReader.FieldDelimiter = searchDetails.Value;
}
textReader.FieldDelimiter = textReader.FieldDelimiter.Replace("\\r", "\r").Replace("\\n", "\n").Replace("\\t", "\t").Replace("\\s", " ");
searchDetails = CommandlineParameterFinder.FindMatch(args, "--record-delimiter", caseSensitive, indexOffset);
if (searchDetails.Matched)
{
textReader.RecordDelimiter = searchDetails.Value;
}
textReader.RecordDelimiter = textReader.RecordDelimiter.Replace("\\r", "\r").Replace("\\n", "\n").Replace("\\t", "\t").Replace("\\s", " ");
searchDetails = CommandlineParameterFinder.FindMatch(args, "--header-index", caseSensitive, indexOffset);
if (searchDetails.Matched)
{
string headerIndexStr = searchDetails.Value;
if (headerIndexStr != null && headerIndexStr.Trim().Length > 0)
{
int headerIndex = -1;
bool success = Int32.TryParse(headerIndexStr, out headerIndex);
if (success)
{
textReader.HeaderRecordIndex = headerIndex;
}
}
}
return(textReader);
}
// primary
public List <SearchDetails> FindMatches(string[] args, string matchpattern, bool _caseSensitive
//, int occurrence
, int _indexOffsetFromMatch
, Func <string, string, bool> matchLogic
)
{
this.CaseSensitive = _caseSensitive;
this.IndexOffsetFromMatch = _indexOffsetFromMatch;
List <SearchDetails> parameters = new List <SearchDetails>();
//string retval = "";
if (matchpattern == null || "".Equals(matchpattern))
{
return(parameters);
}
if (args == null || args.Length <= 0)
{
return(parameters);
}
if (matchLogic == null)
{
matchLogic = this.DefaultMatchLogic;
}
// If still null, simply return an empty list...
if (matchLogic == null)
{
return(parameters);
}
int occurrenceCount = 0;
for (int c = 0; c < args.Length; c++)
{
if (args[c] == null)
{
continue;
}
bool matched = false;
string finalmatchpattern = matchpattern;
string matchtext = args[c];
////if(AsRegex)
////{
//// if(!caseSensitive) this.RegexOptions |= System.Text.RegularExpressions.RegexOptions.IgnoreCase;
//// System.Text.RegularExpressions.Regex regex = new System.Text.RegularExpressions.Regex(matchpattern, this.RegexOptions); // use original pattern w/out lowering, etc.
//// matched = regex.IsMatch(matchtext); // use original text w/out lowering, etc.
//// //// TESTING
//// //if(matched) System.Console.WriteLine("***** REGEX MATCHED! *****");
////}
////else
////{
//// if (!caseSensitive)
//// {
//// finalmatchpattern = finalmatchpattern.ToLower();
//// matchtext = matchtext.ToLower();
//// }
//// if(matchLogic != null)
//// {
//// matched = matchLogic.Invoke(finalmatchpattern, matchtext);
//// }
//// else
//// {
//// matched = matchtext.Equals(finalmatchpattern);
//// }
////}
matched = matchLogic.Invoke(finalmatchpattern, matchtext);
if (matched)
{
++occurrenceCount;
SearchDetails stringParameterDetails = new SearchDetails();
stringParameterDetails.Occurrence = occurrenceCount;
stringParameterDetails.MatchValue = matchtext;
stringParameterDetails.MatchIndex = c;
parameters.Add(stringParameterDetails);
if (this.IndexOffsetFromMatch != 0)
{
int offsetIndex = this.IndexOffsetFromMatch + c;
if (offsetIndex >= 0 && offsetIndex < args.Length)
{
//retval = args[offsetIndex];
stringParameterDetails.MatchOffsetValue = args[offsetIndex]; // retval;
stringParameterDetails.MatchOffsetIndex = offsetIndex;
//parameters.Add(stringParameterDetails); // when returning all matched elements
}
////else
////{
//// retval = String.Empty; // "ERROR: (indexOffsetFromMatch + c) -> (" + indexOffsetFromMatch + " + " + c + ")"; // String.Empty; // otherwise, return empty string
//// parameters.Add(stringParameterDetails); // when returning all matched elements
////}
}
////if( occurrence >= 0 && occurrenceCount == occurrence) break; // skip this check when returning all matched elements
}
} // loop
return(parameters);
}
// primary
public SearchDetails FindMatch(string[] args, string paramName, bool _caseSensitive
, int _occurrence
, int _indexOffsetFromMatch
, Func <string, string, bool> matchLogic
)
{
SearchDetails retval = new SearchDetails();
this.CaseSensitive = _caseSensitive;
this.Occurrence = _occurrence;
this.IndexOffsetFromMatch = _indexOffsetFromMatch;
if (paramName == null || "".Equals(paramName))
{
return(retval);
}
if (args == null || args.Length <= 0)
{
return(retval);
}
if (matchLogic == null)
{
matchLogic = this.DefaultMatchLogic;
}
//List<StringParameterDetails> parameters = this.FindMatchs(args, paramName, caseSensitive, occurrence, indexOffsetFromMatch, matchLogic);
List <SearchDetails> parameters = this.FindMatches(args, paramName, this.CaseSensitive, this.IndexOffsetFromMatch, matchLogic);
if (parameters != null && parameters.Count > 0)
{
if (this.Occurrence == 0)
{
this.Occurrence = 1;
} // only if occurance == 0 then set to 1
int occurrenceCounter = 0;
// start from beginning (ASC order)
if (this.Occurrence > 0)
{
int x = 0;
for (; x < parameters.Count; ++x)
{
++occurrenceCounter;
if (occurrenceCounter == this.Occurrence)
{
retval = parameters[x];
break;
}
}
}
// else if occurrence < 0, start from end (DESC order) and work backwards...
else
{
int x = parameters.Count - 1;
for (; x >= 0; --x)
{
--occurrenceCounter;
if (occurrenceCounter == this.Occurrence)
{
retval = parameters[x];
break;
}
}
}
//retval = parameters[0];
}
if (retval == null)
{
retval = new SearchDetails();
}
return(retval);
}