Rosetta Code/Rank languages by popularity: Difference between revisions

count++;

}

}

}</lang>

Object-orinted solution

<lang csharp>using System;

using System.Net;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;

using System.Collections.Generic;

class Category {

private string _title;

private int _members;

public Category(string title, int members) {

_title = title;

_members = members;

}

public string Title {

get {

return _title;

}

}

public int Members {

get {

return _members;

}

}

}

class Program {

static void Main(string[] args) {

string get1 = new WebClient().DownloadString("http://www.rosettacode.org/w/api.php?action=query&list=categorymembers&cmtitle=Category:Programming_Languages&cmlimit=500&format=json");

string get2 = new WebClient().DownloadString("http://www.rosettacode.org/w/index.php?title=Special:Categories&limit=500");

MatchCollection match1 = new Regex("\"title\":\"Category:(.+?)\"").Matches(get1);

MatchCollection match2 = new Regex("title=\"Category:(.+?)\">.+?</a> \\((\\d+) members\\)").Matches(get2);

string[] valids = match1.Cast<Match>().Select(x => x.Groups[1].Value).ToArray();

List<Category> langs = new List<Category>();

foreach (Match match in match2) {

string category = match.Groups[1].Value;

int members = Int32.Parse(match.Groups[2].Value);

if (valids.Contains(category)) langs.Add(new Category(category, members));

}

langs = langs.OrderByDescending(x => x.Members).ToList();

int count = 1;

foreach (Category i in langs) {

Console.WriteLine("{0}. {1} - {2}", count, i.Title, i.Members);