/// <summary>
/// Gets the correct Trie node type for the given segment
/// </summary>
/// <param name="parent">Parent node</param>
/// <param name="segment">Segment</param>
/// <returns>TrieNode instance</returns>
public virtual TrieNode GetNodeForSegment(TrieNode parent, string segment)
{
if (parent == null)
{
return new RootNode(this);
}
var chars = segment.ToCharArray();
var start = chars[0];
var end = chars[chars.Length - 1];
if (start == '(' && end == ')')
{
return new RegExNode(parent, segment, this);
}
if (start == '{' && end == '}' && chars.Count(c => c == '{' || c == '}') == 2)
{
return this.GetCaptureNode(parent, segment);
}
if (segment.StartsWith("^(") && (segment.EndsWith(")") || segment.EndsWith(")$")))
{
return new GreedyRegExCaptureNode(parent, segment, this);
}
if (CaptureNodeWithMultipleParameters.IsMatch(segment))
{
return new CaptureNodeWithMultipleParameters(parent, segment, this);
}
return new LiteralNode(parent, segment, this);
}
/// <summary>
/// Gets the correct Trie node type for the given segment
/// </summary>
/// <param name="parent">Parent node</param>
/// <param name="segment">Segment</param>
/// <returns>TrieNode instance</returns>
public virtual TrieNode GetNodeForSegment(TrieNode parent, string segment)
{
if (parent == null)
{
return new RootNode(this);
}
if (segment.StartsWith("(") && segment.EndsWith(")"))
{
return new RegExNode(parent, segment, this);
}
if (segment.StartsWith("{") && segment.EndsWith("}"))
{
return this.GetCaptureNode(parent, segment);
}
if (segment.StartsWith("^(") && (segment.EndsWith(")") || segment.EndsWith(")$")))
{
return new GreedyRegExCaptureNode(parent, segment, this);
}
if (CaptureNodeWithLiteral.MatchRegex.IsMatch(segment))
{
return new CaptureNodeWithLiteral(parent, segment, this);
}
return new LiteralNode(parent, segment, this);
}
/// <summary>
/// Initializes a new instance of the <see cref="TrieNode"/> class
/// </summary>
/// <param name="parent">Parent node</param>
/// <param name="segment">Segment of the route definition</param>
/// <param name="nodeFactory">Factory for creating new nodes</param>
protected TrieNode(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
{
this.nodeFactory = nodeFactory;
this.Parent = parent;
this.RouteDefinitionSegment = segment;
this.Children = new Dictionary<string, TrieNode>(StaticConfiguration.CaseSensitive ? StringComparer.Ordinal : StringComparer.OrdinalIgnoreCase);
this.AdditionalParameters = new Dictionary<string, object>();
this.NodeData = new List<NodeData>();
}
/// <summary>
/// Initializes a new instance of the <see cref="TrieNode"/> class
/// </summary>
/// <param name="parent">Parent node</param>
/// <param name="segment">Segment of the route definition</param>
/// <param name="nodeFactory">Factory for creating new nodes</param>
protected TrieNode(TrieNode parent, string segment, TrieNodeFactory nodeFactory)
{
this.nodeFactory = nodeFactory;
this.Parent = parent;
this.RouteDefinitionSegment = segment;
this.Children = new Dictionary<string, TrieNode>();
this.AdditionalParameters = new Dictionary<string, object>();
this.NodeData = new List<NodeData>();
}
private TrieNode GetCaptureNode(TrieNode parent, string segment)
{
if (segment.EndsWith("?}"))
{
return new OptionalCaptureNode(parent, segment, this);
}
if (segment.EndsWith("*}"))
{
return new GreedyCaptureNode(parent, segment, this);
}
if (segment.Contains("?"))
{
return new CaptureNodeWithDefaultValue(parent, segment, this);
}
return new CaptureNode(parent, segment, this);
}
/// <summary>
/// Gets the correct Trie node type for the given segment
/// </summary>
/// <param name="parent">Parent node</param>
/// <param name="segment">Segment</param>
/// <returns>TrieNode instance</returns>
public TrieNode GetNodeForSegment(TrieNode parent, string segment)
{
if (parent == null)
{
return new RootNode(this);
}
if (segment.StartsWith("(") && segment.EndsWith(")"))
{
return new RegExNode(parent, segment, this);
}
if (segment.StartsWith("{") && segment.EndsWith("}"))
{
return this.GetCaptureNode(parent, segment);
}
return new LiteralNode(parent, segment, this);
}
public LiteralNode(TrieNode parent, string segment, TrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
}
public OptionalCaptureNode(TrieNode parent, string segment, TrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.ExtractParameterName();
}
public CaptureNodeWithConstraint(TrieNode parent, string segment, ITrieNodeFactory nodeFactory, IEnumerable<IRouteSegmentConstraint> routeSegmentConstraints)
: base(parent, segment, nodeFactory)
{
this.routeSegmentConstraints = routeSegmentConstraints;
this.ExtractParameterName();
}
public CaptureNodeWithDefaultValue(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.ExtractParameterNameAndDefaultValue();
}
public GreedyRegExCaptureNode(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.BuildRegEx();
}
public CaptureNodeWithLiteral(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.ExtractParameterName();
}
public CaptureNodeWithLiteral(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.ExtractParameterName();
}
public CaptureNodeWithConstraint(TrieNode parent, string segment, ITrieNodeFactory nodeFactory, IEnumerable <IRouteSegmentConstraint> routeSegmentConstraints)
: base(parent, segment, nodeFactory)
{
this.routeSegmentConstraints = routeSegmentConstraints;
this.ExtractParameterName();
}
public RegExNode(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.BuildRegEx();
}
public RegExNode(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.BuildRegEx();
}
/// <summary>
/// Captures parameters within segments that contain literals.
/// i.e:
/// /{file}.{name}
/// /{file}.html
/// /{major}.{minor}.{revision}B{build}
/// </summary>
/// <param name="parent">The parent node</param>
/// <param name="segment">The segment to match upon</param>
/// <param name="nodeFactory">The factory</param>
public CaptureNodeWithMultipleParameters(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.ExtractParameterNames();
}
public GreedyCaptureNode(TrieNode parent, string segment, TrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.GetParameterName();
}
public GreedyCaptureNode(TrieNode parent, string segment, ITrieNodeFactory nodeFactory)
: base(parent, segment, nodeFactory)
{
this.GetParameterName();
}
