/// <summary>
/// Ants are implemented predominantly as per "Ant Colony Optimisation" Dorigo and Stutzle (2004), Ch3.8, p103.
/// </summary>
/// <param name="id">The ant's unique integer Id.</param>
/// <param name="problemData">Provides access to the problem-specific parameters and data matrices.</param>
/// <param name="nodeSelector">Used to select the next node to move to.</param>
public Ant(int id, IProblemData problemData, INodeSelector nodeSelector)
{
Id = id;
_problemData = problemData;
_nodeSelector = nodeSelector;
// Ant ultimately returns to starting node.
_tour = new int[_problemData.NodeCount + 1];
_visited = new bool[_problemData.NodeCount];
}
/// <exception cref="ArgumentNullException">
/// <paramref name="host"/> or
/// <paramref name="nodeSelector"/> is <see langword="null" />.</exception>
public PluralsightNodeParser(string host, INodeSelector nodeSelector)
{
if (host == null)
throw new ArgumentNullException("host");
if (nodeSelector == null)
throw new ArgumentNullException("nodeSelector");
_host = new Uri(host);
_nodeSelector = nodeSelector;
}
public void OpenSelectDialog(string newTabTitle = null)
{
if (_nodeSelector != null)
{
MyTab.TabParent.SwitchOnTab(_nodeSelector);
return;
}
_nodeSelector = _nodeSelectorFactory.CreateSelector();
_nodeSelector.OnEntitySelectedResult += JournalViewModel_OnNodeSelectedResult;
_nodeSelector.TabClosed += NodeSelector_TabClosed;
MyTab.TabParent.AddSlaveTab(MyTab, _nodeSelector);
}
/// <exception cref="ArgumentNullException">
/// <paramref name="nodeSelector"/> or
/// <paramref name="nodeParser"/> is <see langword="null" />.</exception>
public PluralsightCatalogParser(INodeSelector nodeSelector, INodeParser nodeParser)
{
if (nodeSelector == null)
{
throw new ArgumentNullException("nodeSelector");
}
if (nodeParser == null)
{
throw new ArgumentNullException("nodeParser");
}
_nodeSelector = nodeSelector;
_nodeParser = nodeParser;
}
/// <exception cref="ArgumentNullException">
/// <paramref name="host"/> or
/// <paramref name="nodeSelector"/> is <see langword="null" />.</exception>
public PluralsightNodeParser(string host, INodeSelector nodeSelector)
{
if (host == null)
{
throw new ArgumentNullException("host");
}
if (nodeSelector == null)
{
throw new ArgumentNullException("nodeSelector");
}
_host = new Uri(host);
_nodeSelector = nodeSelector;
}
void NodeSelector_TabClosed(object sender, EventArgs e)
{
_nodeSelector = null;
}
public Runner(INodeSelector nodeSelector,
IConsoleDecorator consoleDecorator)
{
_nodeSelector = nodeSelector;
_consoleDecorator = consoleDecorator;
}
private static void MergeDifferences(INodeSelector source, List<NodeDifference> differences)
{
foreach (var diff in differences)
{
string selector = Fun.Val(() =>
{
switch (diff.Action)
{
case NodeDiffAction.Append:
var returnS = diff.MatchSelector.SubstringBeforeLast(">").SubstringAfterIfExists("html>");
return returnS;
case NodeDiffAction.Replace:
string ret = diff.MatchSelector;
if (diff.Node.hasAttribute(XMatchAttribute))
{
string attrib = diff.Node.getAttribute(XMatchAttribute);
string[] attribs = attrib.Split(',');
foreach (string matchingAttrib in attribs)
{
string matchingAttribTrimmed = matchingAttrib.Trim();
string val = diff.Node.getAttribute(matchingAttribTrimmed);
ret += "[" + matchingAttribTrimmed;
if (string.IsNullOrEmpty(val))
{
}
else
{
ret += "='" + val + "'";
}
ret += "]";
}
}
return ret;
default:
throw new Exception();
}
});
var nodes = source.querySelectorAll(selector);
if (nodes.Count != 1)
{
throw new Exception("No Matching Single Node Found: " + diff.MatchSelector);
}
var node = nodes[0];
var parentNode = node.parentNode;
switch (diff.Action)
{
case NodeDiffAction.Append:
node.appendChild(diff.Node);
break;
case NodeDiffAction.Replace:
parentNode.replaceChild(diff.Node, node);
break;
default:
throw new NotImplementedException();
}
if (diff.Children != null)
{
MergeDifferences(node, diff.Children);
}
}
}
