// ------------------------ operator[] ------------------------------
public CsvString.Value this[int InValueIx]
{
get
{
CsvString.Value v = null;
if (CurrentValueNx == InValueIx)
{
v = CurrentValue.Clone( );
}
else
{
if ((CurrentValueNx >= InValueIx) ||
(CurrentValueNx == -1))
{
BeginValue( );
}
while (true)
{
v = NextValue( );
if (v == null)
{
break;
}
else if (CurrentValueNx == InValueIx)
{
break;
}
}
}
return(v);
}
}
// --------------------------- Empty ------------------------------
private CsvString Empty( )
{
mCurrentValue = null;
mWip = null;
mValueCx = -1;
mString = null;
return(this);
}
/// <summary>
/// Position at begin of sequence of comma delim values.
/// </summary>
/// <returns></returns>
public CsvString.Value BeginValue( )
{
mCurrentValue = new CsvString.Value( );
mCurrentValue.CsvString = this;
mCurrentValue.BeginValue( );
CsvString.Value vlu = mCurrentValue.Clone( );
return(vlu);
}
/// <summary>
/// advance the CsvString value cursor to the next value.
/// </summary>
/// <returns></returns>
public CsvString.Value NextValue( )
{
CsvString.Value vlu = Clone( );
vlu.AdvanceNextValue( );
if (vlu.IsAtValue == true)
{
return(vlu);
}
else
{
return(null);
}
}
public CsvString.Value NextValue( )
{
if (mCurrentValue == null)
{
BeginValue( );
}
mCurrentValue.AdvanceNextValue( );
if (mCurrentValue.IsAtValue)
{
return(mCurrentValue.Clone( ));
}
else
{
mCurrentValue = null;
return(null);
}
}
public string[] ToStringArray( )
{
string[] arr = new string[Count];
CsvString.Value vlu = BeginValue( );
int Ix = 0;
while (true)
{
vlu.AdvanceNextValue( );
if (vlu.IsAtValue == false)
{
break;
}
arr[Ix] = vlu.ToString( );
++Ix;
}
return(arr);
}
/// <summary>
/// private function ( for now ). Add a string, as is, to the CsvString.
/// </summary>
/// <param name="InValue"></param>
private void AddString(string InValue)
{
// adding a value to string invalidates the current value cursor.
mCurrentValue = null;
mValueCx = -1;
// switch to wip mode.
if (mWip == null)
{
mWip = new StringBuilder( );
if (mString != null)
{
mWip.Append(mString);
mString = null;
}
}
// add the value to the string.
if (mWip.Length > 0)
{
mWip.Append(", ");
}
mWip.Append(InValue);
}