Data commit

Task/Rosetta-Code-Find-unimplemented-tasks/C-sharp/rosetta-code-find-unimplemented-tasks.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Net;
+
+class Program {
+    static List<string> GetTitlesFromCategory(string category) {
+        string searchQueryFormat = "http://www.rosettacode.org/w/api.php?action=query&list=categorymembers&cmtitle=Category:{0}&format=json{1}";
+        List<string> results = new List<string>();
+        string cmcontinue = string.Empty;
+
+        do {
+            string cmContinueKeyValue;
+
+            //append continue variable as needed
+            if (cmcontinue.Length > 0)
+                cmContinueKeyValue = String.Format("&cmcontinue={0}", cmcontinue);
+            else
+                cmContinueKeyValue = String.Empty;
+
+            //execute query
+            string query = String.Format(searchQueryFormat, category, cmContinueKeyValue);
+            string content = new WebClient().DownloadString(query);
+
+            results.AddRange(new Regex("\"title\":\"(.+?)\"").Matches(content).Cast<Match>().Select(x => x.Groups[1].Value));
+
+            //detect if more results are available
+            cmcontinue = Regex.Match(content, @"{""cmcontinue"":""([^""]+)""}", RegexOptions.IgnoreCase).Groups["1"].Value;
+        } while (cmcontinue.Length > 0);
+
+        return results;
+    }
+
+    static string[] GetUnimplementedTasksFromLanguage(string language) {
+        List<string> alltasks = GetTitlesFromCategory("Programming_Tasks");
+        List<string> lang = GetTitlesFromCategory(language);
+
+        return alltasks.Where(x => !lang.Contains(x)).ToArray();
+    }
+
+    static void Main(string[] args) {
+        string[] unimpl = GetUnimplementedTasksFromLanguage(args[0]);
+
+        foreach (string i in unimpl) Console.WriteLine(i);
+    }
+}