private void GenerateAllIndiceHashtags()
{
Console.Clear();
try
{
Console.WriteLine("Aguarde. Gerando índice.");
List <FileStream> listaStream = new List <FileStream>();
listaStream.Add(new FileStream(strNameFile, FileMode.Open));
listaStream.Add(new FileStream(strNameIndiceHashtags, FileMode.Open));
listaStream[0].Seek(0, SeekOrigin.Begin);
while (listaStream[0].Position < listaStream[0].Length)
{
if (listaStream[0].Position > 0)
{
listaStream[0].Position += 1;
}
BinarySearchAlgorithm bsa = new BinarySearchAlgorithm();
StrFile oReturn = bsa.GetFileValue <StrFile>(listaStream[0]);
string[] hashtagsarray = oReturn.HashTags.Split("#");
foreach (string hashtag in hashtagsarray)
{
if (hashtag.Trim() != "" && (hashtag.ToLower().Contains("rock") || hashtag.ToLower().Contains("metal") || hashtag.ToLower().Contains("punk") || hashtag.ToLower().Contains("hard")))
{
FileWrite fw = new FileWrite();
bool achou = false;
string hashtagAux = "#" + hashtag.Trim();
listaStream[1].Seek(0, SeekOrigin.Begin);
while (listaStream[1].Position < listaStream[1].Length)
{
if (listaStream[1].Position > 0)
{
listaStream[1].Position += 1;
}
StrFileIndiceHashtags oReturnInd = bsa.GetFileValue <StrFileIndiceHashtags>(listaStream[1]);
if (oReturnInd.Hashtag.Trim() == hashtagAux.Trim())
{
achou = true;
for (int i = 1; i < 1000; i++)
{
if (oReturnInd.Ids[i] == 0)
{
oReturnInd.Ids[i] = oReturn.Id;
break;
}
}
long tamanhoBytes = Marshal.SizeOf(typeof(StrFileIndiceHashtags));
if (listaStream[1].Position > 0)
{
listaStream[1].Position -= tamanhoBytes;
}
byte[] buf = fw.GetBytes(oReturnInd);
listaStream[1].Write(buf);
}
}
if (!achou)
{
StrFileIndiceHashtags sfih = new StrFileIndiceHashtags();
sfih.Hashtag = hashtagAux;
sfih.Ids = new long[1000];
sfih.Ids[0] = oReturn.Id;
sfih.NewLine = '\n';
long position = 0;
if (listaStream[1].Length > 0)
{
position = listaStream[1].Length + 1;
listaStream[1].Position = position;
}
byte[] buf = fw.GetBytes(sfih);
listaStream[1].Write(buf);
}
}
}
}
listaStream[0].Close();
listaStream[1].Close();
listaStream[0].Dispose();
listaStream[1].Dispose();
Console.WriteLine("Pressione uma tecla para continuar.");
Console.ReadKey();
}
catch (Exception ex)
{
throw ex;
}
}
