/// <summary>
/// This method returns the Repeat Type
/// </summary>
public static RepeatTypeEnum SetRepeatType(string text)
{
// initial value
RepeatTypeEnum repeatType = RepeatTypeEnum.NoRepeat;
// determine the repeat type by the text
if (text.Contains("repeat left"))
{
// Set the RepeatType
repeatType = RepeatTypeEnum.Left;
}
else if (text.Contains("repeat up"))
{
// Set the RepeatType
repeatType = RepeatTypeEnum.Up;
}
else if (text.Contains("repeat right"))
{
// Set the RepeatType
repeatType = RepeatTypeEnum.Right;
}
else if (text.Contains("repeat down"))
{
// Set the RepeatType
repeatType = RepeatTypeEnum.Down;
}
// return value
return(repeatType);
}
/// <summary>
/// This method returns the text after Repeat Left, Repeat Right, etc.
/// </summary>
public static string GetRepeatText(string text, RepeatTypeEnum repeatType)
{
// initial value
string repeatText = "";
// local
string lineStart = "repeat ";
// If the strings text and repeatType both exist
if ((TextHelper.Exists(text)) && (repeatType != RepeatTypeEnum.NoRepeat))
{
// set the lineStart text
lineStart += repeatType.ToString().ToLower();
// if the text was found
if (text.Contains(lineStart))
{
// get the repeatText
repeatText = text.Substring(lineStart.Length).Trim();
}
}
// return value
return(repeatText);
}
/// <summary>
/// Repeats the provided traversal until the provided condition is met
/// </summary>
/// <returns>The repeat.</returns>
/// <param name="traversal">The sub query to repeat</param>
/// <param name="condition">The condition that must be met to end the loop</param>
/// <param name="type">Specifies a do-while or while-do loop</param>
public Query Repeat <TOutput>(ITraversalQuery <T, TOutput> traversal, ITraversalQuery <T> condition, RepeatTypeEnum type)
{
if (traversal.Steps.Count < 1)
{
throw new ArgumentException("Provided traversal must contain at least one step");
}
if (condition.Steps.Count < 1)
{
throw new ArgumentException("Provided condition must have at least one step");
}
string until = "until(" + condition.ToString() + ")";
string repeat = "repeat(" + traversal.ToString() + ")";
switch (type)
{
case RepeatTypeEnum.DoWhile:
Steps.Add(repeat + "." + until);
break;
case RepeatTypeEnum.WhileDo:
Steps.Add(until + "." + repeat);
break;
}
return(this as Query);
}
