/// <summary>
/// Method is used to extract controllers' data from specified source file into ControllersTable
/// </summary>
/// <returns>true if essential changes in controllers' declarations were detected,
/// else - otherwise</returns>
public bool FillControllerInfo()
{
TextReader rd = new StreamReader(srcFilename);
controllerInfo.Clear();
Extract(rd.ReadToEnd(), "<source>");
if (parseTree == null) return false;
AddParseNodeRec(parseTree.Root,false);
//if source file has been recently added to the project,add new row into ControllersTable
//else if there were any changes in source file,update corresponding row in ControllersTable
if (!infobyFiles.ContainsKey(srcFilename))
{
ControllersTable curtbl = new ControllersTable(controllerInfo);
infobyFiles.Add(srcFilename, curtbl);
return true;
}
else
{
bool equal = new AttributesComparer().Equals(infobyFiles[srcFilename], controllerInfo);
if (!equal)
{
if (infobyFiles.Remove(srcFilename))
{
ControllersTable curtbl = new ControllersTable(controllerInfo);
infobyFiles.Add(srcFilename, curtbl);
return true;
}
}
return false;
}
}
private void Process(HttpListenerContext context)
{
string urlData = context.Request.Url.AbsolutePath;
Console.WriteLine(urlData);
Uri url = context.Request.Url;
string key = (context.Request.UrlReferrer == null)
? url.AbsolutePath.Split('/')[1]
: context.Request.UrlReferrer.AbsolutePath.Split('/')[1];
if (!ControllersTable.ContainsKey(key))
{
Console.WriteLine($@"Attempt to find missing key: {key}");
goto ProceessEnd;
}
switch (context.Request.HttpMethod)
{
case "GET":
this.ControllersTable[key].ForEach(webController => webController.Get(ref context));
break;
case "POST":
this.ControllersTable[key].ForEach(webController => webController.Post(ref context));
break;
case "PUT":
this.ControllersTable[key].ForEach(webController => webController.Put(ref context));
break;
case "PATCH":
this.ControllersTable[key].ForEach(webController => webController.Patch(ref context));
break;
case "DELETE":
this.ControllersTable[key].ForEach(webController => webController.Delete(ref context));
break;
}
ProceessEnd:
context.Response.OutputStream.Flush();
context.Response.OutputStream.Close();
}
public MetadataExtractor(string lang, string fname)
{
language = lang;
parseTree = null;
if (String.Compare(lang, "c#") == 0)
grammar = new CSharpGrammar();
else if (String.Compare(lang, "f#") == 0)
grammar = new FSharpGrammar();
else
{
throw new Exception("The grammar name you've typed is not supported");
}
parser = new Parser(new LanguageData(grammar));
srcFilename = fname;
controllerInfo = new ControllersTable();
infobyFiles = new Dictionary<string, ControllersTable>();
}
