private static bool ExtractValue(string asStringValue,
string name,
int position,
out string value,
out int newPosition,
out string errorDescription)
{
errorDescription = "";
bool result = false;
int asStringValueLength = asStringValue.Length;
InQuotes inQuotes = InQuotes.Out;
StringBuilder valueBldr = new StringBuilder(40);
int i = position;
while (!result && errorDescription == "")
{
switch (inQuotes)
{
case InQuotes.Out:
if (i >= asStringValueLength)
{
errorDescription = string.Format(Properties.Resources.DeclaredParametersFormatter_ExtractValue_ParameterIsMissingValue, name, i);
}
else
{
if (!char.IsWhiteSpace(asStringValue[i]))
{
if (asStringValue[i] != QuoteChar)
{
errorDescription = string.Format(Properties.Resources.DeclaredParametersFormatter_ExtractValue_ValueForParameterIsNotQuoted, name, i);
}
else
{
inQuotes = InQuotes.In;
}
}
}
break;
case InQuotes.In:
if (i >= asStringValueLength)
{
errorDescription = string.Format(Properties.Resources.DeclaredParametersFormatter_ExtractValue_ValueForParameterIsMissingClosingQuote, name, i);
}
else
{
if (asStringValue[i] != QuoteChar)
{
valueBldr.Append(asStringValue[i]);
}
else
{
inQuotes = InQuotes.InCheckingStuffed;
}
}
break;
case InQuotes.InCheckingStuffed:
if (i >= asStringValueLength)
{
result = true;
}
else
{
if (asStringValue[i] != QuoteChar)
{
result = true;
}
else
{
valueBldr.Append(QuoteChar);
inQuotes = InQuotes.In;
}
}
break;
default:
throw FtInternalException.Create(InternalError.DeclaredParametersFormatter_ExtractValue_UnknownInQuotes, inQuotes.ToString());
}
}
value = valueBldr.ToString();
newPosition = i;
return(result);
}
public static bool TryParse(string value, bool strict, out string[] resultArray, out string errorDescription)
{
string[] strArray = null;
errorDescription = "";
int count = 0;
InQuotes inQuotes = InQuotes.NotIn;
bool waitingForDelimiter = false;
int startPos = 0;
int valueLength = value.Length;
for (int i = 0; i < valueLength; i++)
{
char valueChar = value[i];
if (waitingForDelimiter)
{
if (valueChar == DelimiterChar)
{
waitingForDelimiter = false;
startPos = i + 1;
}
else
{
if (strict && (!Char.IsWhiteSpace(valueChar)))
{
errorDescription = string.Format(Properties.Resources.FtCommaText_TryParse_UnexpectedCharAfterQuotedElement, i);
break;
}
}
}
else
{
switch (inQuotes)
{
case InQuotes.NotIn:
switch (valueChar)
{
case DelimiterChar:
AddElement(value, ref strArray, ref count, startPos, i, false);
startPos = i + 1;
break;
case QuoteChar:
if (value.Substring(startPos, i - startPos).Trim() == "")
{
inQuotes = InQuotes.In;
startPos = i + 1;
}
break;
}
break;
case InQuotes.In:
if (valueChar == QuoteChar)
{
inQuotes = InQuotes.CheckingStuffed;
}
break;
case InQuotes.CheckingStuffed:
switch (valueChar)
{
case QuoteChar:
inQuotes = InQuotes.In;
break;
case DelimiterChar:
inQuotes = InQuotes.NotIn;
AddElement(value, ref strArray, ref count, startPos, i - 1, true);
startPos = i + 1;
break;
default:
inQuotes = InQuotes.NotIn;
AddElement(value, ref strArray, ref count, startPos, i - 1, true);
waitingForDelimiter = true;
if (strict && (!(Char.IsWhiteSpace(valueChar))))
{
errorDescription = string.Format(Properties.Resources.FtCommaText_TryParse_UnexpectedCharAfterQuotedElement, i);
break;
}
break;
}
break;
default:
throw FtInternalException.Create(InternalError.FtCommaText_TryParse_UnsupportedInQuotes1, inQuotes.ToString());
}
}
}
if ((errorDescription == "") && (!waitingForDelimiter))
{
switch (inQuotes)
{
case InQuotes.NotIn:
if (startPos <= valueLength)
{
AddElement(value, ref strArray, ref count, startPos, valueLength, false);
}
break;
case InQuotes.In:
if (strict)
{
errorDescription = Properties.Resources.FtCommaText_TryParse_QuotesNotClosedInLastElement;
}
else
{
AddElement(value, ref strArray, ref count, startPos, valueLength, true);
}
break;
case InQuotes.CheckingStuffed:
AddElement(value, ref strArray, ref count, startPos, valueLength - 1, true);
break;
default:
throw FtInternalException.Create(InternalError.FtCommaText_TryParse_UnsupportedInQuotes2, inQuotes.ToString());
}
}
resultArray = new string[count];
Array.Copy(strArray, resultArray, count);
return(errorDescription == "");
}