/// <summary>
/// Method to retrieve values in parsed string by scrolling through the list of items found.
/// </summary>
/// <param name="scroll">Direction to scroll.</param>
/// <returns>Value found at the position specified by the scroll.</returns>
public string Get(PFScroll scroll)
{
string value = string.Empty;
int maxPos = _parsedString.Count - 1;
switch (scroll)
{
case PFScroll.First:
_curPos = 0;
break;
case PFScroll.Next:
_curPos++;
break;
case PFScroll.Previous:
_curPos--;
break;
case PFScroll.Last:
_curPos = maxPos;
break;
default:
_curPos = 0;
break;
}
if (_parsedString.Count > 0)
{
if (_curPos <= maxPos &&
_curPos >= 0)
{
value = _parsedString[_curPos];
_EOL = false;
}
else
{
_EOL = true;
}
}
else
{
_EOL = true;
}
return(value);
}
/// <summary>
/// Method for scrolling through the list of key/value pairs found in a parsed string.
/// </summary>
/// <param name="scroll">Identifies which key/value pair to retrieve.</param>
/// <returns>Returns key and its associated value at the position on line specified by the PFScroll parameter.</returns>
public PFKeyValuePair GetKeyValuePair(PFScroll scroll)
{
PFKeyValuePair kv = new PFKeyValuePair();
string key = string.Empty;
string value = string.Empty;
int maxKeyListPos = _keyList.Count - 1;
switch (scroll)
{
case PFScroll.First:
_curKeyListPos = 0;
break;
case PFScroll.Next:
_curKeyListPos++;
break;
case PFScroll.Previous:
_curKeyListPos--;
break;
case PFScroll.Last:
_curKeyListPos = maxKeyListPos;
break;
default:
_curKeyListPos = 0;
break;
}
if (_keyList.Count > 0)
{
if (_curKeyListPos <= maxKeyListPos &&
_curKeyListPos >= 0)
{
key = _keyList[_curKeyListPos];
value = this.Get(key);
}
}
kv.Key = key;
kv.Value = value;
return(kv);
}
