private static void AddLine(WordsListFactory wordsListFactory, KeyValuePair<long, List<string>> line)
{
foreach (var word in line.Value)
{
var firstChar = word[0];
var wordsList = wordsListFactory.GetOrCreateWordsList(firstChar);
if (wordsList.WordsCollection.Any(w => w.Key == word))
{
wordsList.WordsCollection.First(m => m.Key == word).Value.Add(line.Key);
}
else
{
wordsList.WordsCollection.Add(new KeyValuePair<string, List<long>>(word, new List<long>((int) line.Key)));
}
}
}
static int Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("You must specify file to read from");
return 1;
}
string fileToRead = args[0];
if (!File.Exists(fileToRead))
{
Console.WriteLine("File You specified doesn't exist");
return 2;
}
var wordsListFactory = new WordsListFactory();
Console.WriteLine("Start processing file");
Parallel.ForEach(File.ReadLines(fileToRead), (line, _, lineNumber) =>
{
if (!string.IsNullOrEmpty(line))
{
var lineWords = new KeyValuePair<long, List<string>>(lineNumber + 1, new List<string>());
Regex.Split(line, "[^A-Za-z0-9]")
.Where(s => !string.IsNullOrWhiteSpace(s))
.ToList()
.ForEach(w => lineWords.Value.Add(w.ToLower()));
AddLine(wordsListFactory, lineWords);
}
});
var pathToWrite = args.Length > 1
? args[1]
: string.Format(@"{0}\{1}", Directory.GetCurrentDirectory(), "Result.txt");
var resultFile = new StreamWriter(pathToWrite, true);
Parallel.ForEach(wordsListFactory.WordsLists, list => list.WordsCollection.OrderBy(w => w));
foreach (var wordsList in wordsListFactory.WordsLists.OrderBy(x => x.FirstChar))
{
foreach (var word in wordsList.WordsCollection)
{
resultFile.WriteLine(string.Format("{0} - [{1}]", word.Key, string.Join(",", word.Value)));
}
}
resultFile.Close();
return 0;
}
