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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Threading.Tasks;
  6. using System.Net.Http;
  7. using System.Xml;
  8.  
  9. namespace GoogleRandomSuggestions
  10. {
  11.     static class GoogleSuggestions
  12.     {
  13.         private const string url = "http://google.com/complete/search?q={0}&output=toolbar";
  14.         static HttpClient http;
  15.  
  16.         static GoogleSuggestions()
  17.         {
  18.             http = new HttpClient();
  19.         }
  20.  
  21.         public static IEnumerable<string> GetSuggestions(string search)
  22.         {
  23.             string xml = http.GetAsync(String.Format(url, Uri.EscapeUriString(search))).Result.Content.ReadAsStringAsync().Result;
  24.             XmlDocument xdoc = new XmlDocument();
  25.             bool stop = false;
  26.             int attemptsLeft = 10;
  27.             List<string> suggestions = new List<string>();
  28.             while (!stop) {
  29.                 try {
  30.                     xdoc.LoadXml(xml);
  31.                     foreach (XmlNode node in xdoc.DocumentElement.ChildNodes) {
  32.                         XmlNode suggestion = node.ChildNodes[0];
  33.                         suggestions.Add(suggestion.Attributes["data"].Value);
  34.                     }
  35.                     stop = true;
  36.                 } catch (XmlException ex) {
  37.                     if (xml.Contains("automated")) {
  38.                         attemptsLeft--;
  39.                         if (attemptsLeft == 0) stop = true;
  40.                         Console.ForegroundColor = ConsoleColor.Red;
  41.                         Console.WriteLine(String.Format("Automated query error - {0} attempts remaining", attemptsLeft));
  42.                         Console.ForegroundColor = ConsoleColor.Gray;
  43.                         http.Dispose();
  44.                         System.Threading.Thread.Sleep(500);
  45.                         http = new HttpClient();
  46.                     } else {
  47.                         stop = true;
  48.                         throw ex;
  49.                     }
  50.                 }
  51.             }
  52.             return suggestions;
  53.         }
  54.     }
  55. }
  56.  
  57. namespace GoogleRandomSuggestions
  58. {
  59.     class Program
  60.     {
  61.         static Random rng;
  62.  
  63.         static Program()
  64.         {
  65.             rng = new Random();
  66.         }
  67.  
  68.         static bool StringBeginsWith(string str, string beginning)
  69.         {
  70.             if (str.Length < beginning.Length) return false;
  71.             return str.Substring(0, beginning.Length).Equals(beginning);
  72.         }
  73.  
  74.         static string RandomPhrase(string start)
  75.         {
  76.             string phrase = start;
  77.             bool stop = false;
  78.             while (!stop) {
  79.                 string[] suggestions = GoogleSuggestions.GetSuggestions(phrase).Where(s => StringBeginsWith(s, phrase) && !s.Equals(phrase)).ToArray();
  80.  
  81.                 if (suggestions.Length == 0) {
  82.                     stop = true;
  83.                 } else if (suggestions.Length == 1) {
  84.                     phrase = suggestions[0];
  85.                     stop = true;
  86.                 } else {
  87.                     string choice = suggestions[rng.Next(suggestions.Length)];
  88.                     if (phrase.Length + 1 > choice.Length) {
  89.                         phrase = choice;
  90.                         stop = true;
  91.                     } else {
  92.                         phrase = choice.Substring(0, phrase.Length + 1);
  93.                         Console.ForegroundColor = ConsoleColor.White;
  94.                         Console.Write(phrase);
  95.                         Console.ForegroundColor = ConsoleColor.Gray;
  96.                         Console.WriteLine(choice.Substring(phrase.Length));
  97.                     }
  98.                 }
  99.             }
  100.             return phrase;
  101.         }
  102.  
  103.         static string RandomPhrase()
  104.         {
  105.             return RandomPhrase(Char.ConvertFromUtf32(rng.Next(65, 91)));
  106.         }
  107.  
  108.         static void Main(string[] args)
  109.         {
  110.             string input = "";
  111.             while (true) {
  112.                 Console.Write("> ");
  113.                 string last = input;
  114.                 input = Console.ReadLine();
  115.                 if (input.Length == 0) input = last;
  116.                 Console.WriteLine();
  117.                 string phrase = RandomPhrase(input);
  118.                 Console.ForegroundColor = ConsoleColor.White;
  119.                 Console.WriteLine(phrase);
  120.                 Console.ForegroundColor = ConsoleColor.Gray;
  121.                 Console.WriteLine();
  122.             }
  123.         }
  124.     }
  125. }
  126.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cs(5,24): error CS0234: The type or namespace name `Tasks' does not exist in the namespace `System.Threading'. Are you missing an assembly reference?
prog.cs(6,18): error CS0234: The type or namespace name `Http' does not exist in the namespace `System.Net'. Are you missing an assembly reference?
Compilation failed: 2 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/fGrkWJ
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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