private static List <PageData> LoadPageDataFromXML(Client client, SXL.XDocument xmldoc)
{
var pagedatas = new List <PageData>();
// LOAD and ANALYZE EACH PAGE
int pagenum = 0;
var page_els = xmldoc.Root.Elements("page");
foreach (var page_el in page_els)
{
var node_ids = new HashSet <string>();
var con_ids = new HashSet <string>();
var pagedata = new PageData();
pagedatas.Add(pagedata);
pagedata.Errors = new List <BuilderError>();
pagedata.LayoutOptions = new MsaglLayoutOptions();
var renderoptions_el = page_el.Element("renderoptions");
DirectedGraphBuilder.GetRenderOptionsFromXml(renderoptions_el, pagedata.LayoutOptions);
pagedata.DirectedGraph = new DirectedGraphLayout();
var shape_els = page_el.Element("shapes").Elements("shape");
var con_els = page_el.Element("connectors").Elements("connector");
pagedata.ShapeInfos = shape_els.Select(e => ShapeInfo.FromXml(client, e)).ToList();
pagedata.ConnectorInfos = con_els.Select(e => ConnectorInfo.FromXml(client, e)).ToList();
client.WriteVerbose("Analyzing shape data for page {0}", pagenum);
foreach (var shape_info in pagedata.ShapeInfos)
{
client.WriteVerbose("shape {0}", shape_info.ID);
if (node_ids.Contains(shape_info.ID))
{
pagedata.Errors.Add(BuilderError.NodeAlreadyDefined(pagenum, shape_info.ID));
}
else
{
node_ids.Add(shape_info.ID);
}
}
client.WriteVerbose("Analyzing connector data...");
foreach (var con_info in pagedata.ConnectorInfos)
{
client.WriteVerbose("connector {0}", con_info.ID);
if (con_ids.Contains(con_info.ID))
{
pagedata.Errors.Add(BuilderError.ConnectorAlreadyDefined(pagenum, con_info.ID));
}
else
{
con_ids.Add(con_info.ID);
}
if (!node_ids.Contains(con_info.From))
{
pagedata.Errors.Add(BuilderError.InvalidFromNode(pagenum, con_info.ID, con_info.From));
}
if (!node_ids.Contains(con_info.To))
{
pagedata.Errors.Add(BuilderError.InvalidToNode(pagenum, con_info.ID, con_info.To));
}
}
}
return(pagedatas);
}