public static RegexNode Add(RegexNode node1, RegexNode node2)
{
if (node1 == null || node2 == null)
{
throw new ArgumentException("Both nodes must be not null.");
}
RegexNodeConcatenation node1AsConcatenation = node1 as RegexNodeConcatenation;
RegexNodeConcatenation node2AsConcatenation = node2 as RegexNodeConcatenation;
if (node1AsConcatenation != null && node2AsConcatenation != null)
{
List<RegexNode> newChildNodes = new List<RegexNode>();
newChildNodes.AddRange(node1AsConcatenation.ChildNodes);
newChildNodes.AddRange(node2AsConcatenation.ChildNodes);
RegexNodeConcatenation result = new RegexNodeConcatenation(newChildNodes);
return result;
}
if (node1AsConcatenation != null)
{
List<RegexNode> newChildNodes = new List<RegexNode>(node1AsConcatenation.ChildNodes);
newChildNodes.Add(node2);
RegexNodeConcatenation result = new RegexNodeConcatenation(newChildNodes);
return result;
}
if (node2AsConcatenation != null)
{
List<RegexNode> newChildNodes = new List<RegexNode>();
newChildNodes.Add(node1);
newChildNodes.AddRange(node2AsConcatenation.ChildNodes);
RegexNodeConcatenation result = new RegexNodeConcatenation(newChildNodes);
return result;
}
return new RegexNodeConcatenation(node1, node2);
}
public static RegexNode Add(RegexNode node1, RegexNode node2)
{
if (node1 == null || node2 == null)
{
throw new ArgumentException("Both nodes must be not null.");
}
RegexNodeConcatenation node1AsConcatenation = node1 as RegexNodeConcatenation;
RegexNodeConcatenation node2AsConcatenation = node2 as RegexNodeConcatenation;
if (node1AsConcatenation != null && node2AsConcatenation != null)
{
List <RegexNode> newChildNodes = new List <RegexNode>();
newChildNodes.AddRange(node1AsConcatenation.ChildNodes);
newChildNodes.AddRange(node2AsConcatenation.ChildNodes);
RegexNodeConcatenation result = new RegexNodeConcatenation(newChildNodes);
return(result);
}
if (node1AsConcatenation != null)
{
List <RegexNode> newChildNodes = new List <RegexNode>(node1AsConcatenation.ChildNodes);
newChildNodes.Add(node2);
RegexNodeConcatenation result = new RegexNodeConcatenation(newChildNodes);
return(result);
}
if (node2AsConcatenation != null)
{
List <RegexNode> newChildNodes = new List <RegexNode>();
newChildNodes.Add(node1);
newChildNodes.AddRange(node2AsConcatenation.ChildNodes);
RegexNodeConcatenation result = new RegexNodeConcatenation(newChildNodes);
return(result);
}
return(new RegexNodeConcatenation(node1, node2));
}
/// <summary>
/// Generates a Regex object from a list of RegexNode and applies a combination of RegexOptions to it.
/// </summary>
/// <param name="regexOptions">Combination of RegexOption flags to be applied to the Regex.</param>
/// <param name="regexNodes">Top-level nodes for the Regex.</param>
/// <returns>A new instance of Regex which corresponds to the specified RegexNode list.</returns>
public static Regex Build(RegexOptions regexOptions, params RegexNode[] regexNodes)
{
RegexNodeConcatenation concatenation = new RegexNodeConcatenation(regexNodes);
return Build(regexOptions, concatenation);
}
/// <summary>
/// Generates a Regex object from a list of RegexNode and applies a combination of RegexOptions to it.
/// </summary>
/// <param name="regexOptions">Combination of RegexOption flags to be applied to the Regex.</param>
/// <param name="regexNodes">Top-level nodes for the Regex.</param>
/// <returns>A new instance of Regex which corresponds to the specified RegexNode list.</returns>
public static Regex Build(RegexOptions regexOptions, params RegexNode[] regexNodes)
{
RegexNodeConcatenation concatenation = new RegexNodeConcatenation(regexNodes);
return(Build(regexOptions, concatenation));
}