/////////////////////////////////////////////////////////////////////////////////
private IGraph ImportModels(List <String> ecoreFilenames, String grgFilename, IBackend backend, out IActions actions)
{
foreach (String ecoreFilename in ecoreFilenames)
{
String modelText = ParseModel(ecoreFilename);
String modelfilename = ecoreFilename.Substring(0, ecoreFilename.LastIndexOf('.')) + "__ecore.gm";
// Do we have to update the model file (.gm)?
if (!File.Exists(modelfilename) || File.GetLastWriteTime(ecoreFilename) > File.GetLastWriteTime(modelfilename))
{
Console.WriteLine("Writing model file \"" + modelfilename + "\"...");
using (StreamWriter writer = new StreamWriter(modelfilename))
writer.Write(modelText);
}
}
if (grgFilename == null)
{
grgFilename = "";
foreach (String ecoreFilename in ecoreFilenames)
{
grgFilename += ecoreFilename.Substring(0, ecoreFilename.LastIndexOf('.')) + "_";
}
grgFilename += "_ecore.grg";
StringBuilder sb = new StringBuilder();
sb.Append("// Automatically generated\n// Do not change, changes will be lost!\n\nusing ");
DateTime grgTime;
if (!File.Exists(grgFilename))
{
grgTime = DateTime.MinValue;
}
else
{
grgTime = File.GetLastWriteTime(grgFilename);
}
bool mustWriteGrg = false;
bool first = true;
foreach (String ecore in ecoreFilenames)
{
if (first)
{
first = false;
}
else
{
sb.Append(", ");
}
sb.Append(ecore.Substring(0, ecore.LastIndexOf('.')) + "__ecore");
if (File.GetLastWriteTime(ecore) > grgTime)
{
mustWriteGrg = true;
}
}
if (mustWriteGrg)
{
sb.Append(";\n");
using (StreamWriter writer = new StreamWriter(grgFilename))
writer.Write(sb.ToString());
}
}
IGraph graph;
backend.CreateFromSpec(grgFilename, "defaultname", null,
ProcessSpecFlags.UseNoExistingFiles, new List <String>(),
out graph, out actions);
return(graph);
}
/////////////////////////////////////////////////////////////////////////////////
private IGraph ImportModels(List<String> ecoreFilenames, String grgFilename, IBackend backend, out IActions actions)
{
foreach(String ecoreFilename in ecoreFilenames)
{
String modelText = ParseModel(ecoreFilename);
String modelfilename = ecoreFilename.Substring(0, ecoreFilename.LastIndexOf('.')) + "__ecore.gm";
// Do we have to update the model file (.gm)?
if(!File.Exists(modelfilename) || File.GetLastWriteTime(ecoreFilename) > File.GetLastWriteTime(modelfilename))
{
Console.WriteLine("Writing model file \"" + modelfilename + "\"...");
using(StreamWriter writer = new StreamWriter(modelfilename))
writer.Write(modelText);
}
}
if(grgFilename == null)
{
grgFilename = "";
foreach(String ecoreFilename in ecoreFilenames)
grgFilename += ecoreFilename.Substring(0, ecoreFilename.LastIndexOf('.')) + "_";
grgFilename += "_ecore.grg";
StringBuilder sb = new StringBuilder();
sb.Append("// Automatically generated\n// Do not change, changes will be lost!\n\nusing ");
DateTime grgTime;
if(!File.Exists(grgFilename)) grgTime = DateTime.MinValue;
else grgTime = File.GetLastWriteTime(grgFilename);
bool mustWriteGrg = false;
bool first = true;
foreach(String ecore in ecoreFilenames)
{
if(first) first = false;
else sb.Append(", ");
sb.Append(ecore.Substring(0, ecore.LastIndexOf('.')) + "__ecore");
if(File.GetLastWriteTime(ecore) > grgTime)
mustWriteGrg = true;
}
if(mustWriteGrg)
{
sb.Append(";\n");
using(StreamWriter writer = new StreamWriter(grgFilename))
writer.Write(sb.ToString());
}
}
IGraph graph;
backend.CreateFromSpec(grgFilename, "defaultname", null,
ProcessSpecFlags.UseNoExistingFiles, new List<String>(),
out graph, out actions);
return graph;
}
/// <summary>
/// Imports the first graph not being of type "gxl-1.0" from the given text reader input stream.
/// Any errors will be reported by exception.
/// </summary>
/// <param name="inStream">The text reader input stream import source.</param>
/// <param name="modelOverride">If not null, overrides the filename of the graph model to be used.</param>
/// <param name="backend">The backend to use to create the graph.</param>
/// <param name="actions">Receives the actions object in case a .grg model is given.</param>
public static IGraph Import(TextReader inStream, String modelOverride, IBackend backend, out IActions actions)
{
XmlDocument doc = new XmlDocument();
doc.XmlResolver = null;
doc.Load(inStream);
XmlElement gxlelem = doc["gxl"];
if (gxlelem == null)
{
throw new Exception("The document has no gxl element.");
}
XmlElement graphelem = null;
String graphtype = null;
foreach (XmlElement curgraphnode in gxlelem.GetElementsByTagName("graph"))
{
graphtype = GetTypeName(curgraphnode);
if (!graphtype.EndsWith("gxl-1.0.gxl#gxl-1.0"))
{
if (graphelem != null)
{
throw new Exception("More than one instance graph included (not yet supported)!");
}
graphelem = curgraphnode;
}
}
if (graphelem == null)
{
throw new Exception("No non-meta graph found!");
}
String modelfilename;
if (modelOverride == null)
{
XmlDocument modeldoc;
int hashindex = graphtype.IndexOf('#');
if (hashindex <= 0)
{
modeldoc = doc;
}
else
{
XmlReaderSettings settings = new XmlReaderSettings();
settings.ProhibitDtd = false;
XmlReader reader = XmlReader.Create(graphtype.Substring(0, hashindex), settings);
modeldoc = new XmlDocument();
modeldoc.Load(reader);
}
String localname = graphtype.Substring(hashindex + 1);
XmlElement modelnode = (XmlElement)modeldoc.SelectSingleNode(
"descendant::graph/node[@id='" + localname + "']");
if (modelnode == null)
{
throw new Exception("Graph schema \"" + graphtype + "\" not found.");
}
if (!GetTypeName(modelnode).EndsWith("gxl-1.0.gxl#GraphClass"))
{
throw new Exception("Graph type \"" + graphtype + "\" must refer to a GraphClass node.");
}
String modelname = GetGXLAttr(modelnode, "name", "string");
if (modelname.EndsWith("__gxl"))
{
modelname = modelname.Substring(0, modelname.Length - 5);
}
XmlElement modelgraph = (XmlElement)modelnode.ParentNode;
modelfilename = ImportModel(modelgraph, modelname);
}
else
{
modelfilename = modelOverride;
}
IGraph graph;
String graphname = graphelem.GetAttribute("id");
if (modelfilename.EndsWith(".grg"))
{
backend.CreateFromSpec(modelfilename, graphname, null,
ProcessSpecFlags.UseNoExistingFiles, new List <String>(),
out graph, out actions);
}
else
{
graph = backend.CreateGraph(modelfilename, graphname);
actions = null;
}
ImportGraph(graph, doc, graphelem);
return(graph);
}
