private void WriteAttribute(KeyValuePair <string, object> a)
{
_buffer.Append(a.Key);
_buffer.Append(EQ);
_buffer.Append(DotLanguageUtils.GetAttributeString(a.Key, a.Value));
_buffer.Append(ATTRDELIMITER);
}
private void CorrectClusterCodes()
{
foreach (var c in EnumerateSubGraphs())
{
c.Code = DotLanguageUtils.GetClusterCode(c.Code);
}
foreach (var n in EnumerateNodes().Where(_ => !string.IsNullOrWhiteSpace(_.SubgraphCode)))
{
n.SubgraphCode = DotLanguageUtils.GetClusterCode(n.SubgraphCode);
}
}
private void WriteGraphAttributes(SubGraph graph)
{
foreach (var a in graph.Attributes)
{
WriteLevel();
_buffer.Append(a.Key);
_buffer.Append(EQ);
_buffer.Append(DotLanguageUtils.GetAttributeString(a.Key, a.Value));
_buffer.Append(LINECLOSER);
}
}
/// <summary>
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public SubGraph ResolveSubgraph(string code)
{
var __code = DotLanguageUtils.GetClusterCode(code);
if (Code == __code)
{
return(this);
}
var result = SubGraphs.Select(sg => sg.ResolveSubgraph(__code)).FirstOrDefault(_ => null != _);
return(result);
}
/// <summary>
/// Метод резолюции узлов
/// </summary>
/// <param name="code"></param>
/// <param name="cached"></param>
/// <returns></returns>
public Node ResolveNode(string code, bool cached = true)
{
if (null != Parent)
{
return(Parent.ResolveNode(code));
}
var __code = DotLanguageUtils.EscapeCode(code);
if (cached && _nodeResolutionCache.ContainsKey(__code))
{
return(_nodeResolutionCache[__code]);
}
var resolved = EnumerateNodes().FirstOrDefault(_ => _.Code == __code);
if (cached && null != resolved)
{
_nodeResolutionCache[__code] = resolved;
}
return(resolved);
}
/// <summary>
/// Метод резолюции узлов
/// </summary>
/// <returns></returns>
public Edge[] ResolveEdges(string from, string to, bool cached = true)
{
if (null != Parent)
{
return(Parent.ResolveEdges(from, to));
}
var __from = DotLanguageUtils.EscapeCode(from);
var __to = DotLanguageUtils.EscapeCode(to);
var key = from + "->" + to;
if (cached && _edgeResolutionCache.ContainsKey(key))
{
return(_edgeResolutionCache[key]);
}
var resolved = EnumerateEdges().Where(_ => _.From == __from && _.To == __to).ToArray();
if (cached)
{
_edgeResolutionCache[key] = resolved;
}
return(resolved);
}