public static DBTitle LoadFromBTD(BinaryReader SR)
{
DBTitle ret = null;
String titlename = SR.ReadString();
int seriesn = SR.ReadInt32();
if (titlename.Equals("") || seriesn <= 0)
{
return(null);
}
ret = new DBTitle(titlename);
for (int k = 0; k < seriesn; k++)
{
String seriename = SR.ReadString();
int valuesn = SR.ReadInt32();
if (seriename.Equals("") || valuesn <= 0)
{
return(null);
}
double[] newserie = new double[valuesn];
for (int w = 0; w < valuesn; w++)
{
newserie[w] = SR.ReadDouble();
}
ret.AddSerie(seriename, newserie);
}
return(ret);
}
public DBTitle(DBTitle val)
{
this.name = val.name;
names = new LinkedList <String>();
vals = new LinkedList <double[]>();
for (int i = 0; i < val.names.Count; i++)
{
AddSerie(val.names.ElementAt(i), val.vals.ElementAt(i));
}
}
public static DBTitle LoadFromTrade(StreamReader SR)
{
DBTitle ret = null;
String line;
int state = 0;
int seriesn = 0;
String seriename = "";
double[] serievals = null;
int i = 0;
NumberFormatInfo ni = (NumberFormatInfo)CultureInfo.InstalledUICulture.NumberFormat.Clone();
ni.NumberDecimalSeparator = ".";
while ((line = SR.ReadLine()) != null)
{
line = line.Trim();
if (line.Equals(""))
{
continue;
}
else if (state == 1 && line.StartsWith("</title>"))
{
return(ret);
}
else if (state == 0 && line.StartsWith("<name>"))
{
String sname = line.Replace("<name>", "").Replace("</name>", "").Trim();
ret = new DBTitle(sname);
state = 1;
}
else if (state == 1 && line.StartsWith("<seriesn>"))
{
try { seriesn = Int32.Parse(line.Replace("<seriesn>", "").Replace("</seriesn>", "").Trim()); }
catch (FormatException) { return(null); }
}
else if (state == 1 && line.StartsWith("<serie>"))
{
seriename = "";
serievals = null;
state = 2;
}
else if (state == 2 && line.StartsWith("</serie>"))
{
if (seriename.Equals("") || serievals == null)
{
return(null);
}
ret.AddSerie(seriename, serievals);
state = 1;
}
else if (state == 2 && line.StartsWith("<name>"))
{
seriename = line.Replace("<name>", "").Replace("</name>", "").Trim();
}
else if (state == 2 && line.StartsWith("<valuesn>"))
{
int dim;
try { dim = Int32.Parse(line.Replace("<valuesn>", "").Replace("</valuesn>", "").Trim()); }
catch (FormatException) { return(null); }
// MessageBox.Show("series are: " + dim + "\n" + "name is: " + seriename);
serievals = new double[dim];
i = 0;
}
else if (state == 2 && line.StartsWith("<value>"))
{
double v;
try { v = Double.Parse(line.Replace("<value>", "").Replace("</value>", "").Trim(), ni); }
catch (FormatException) { return(null); }
serievals[i++] = v;
}
// else
// MessageBox.Show(state + " (" + line + ")");
}
return(null);
}
private static bool evaluate_subexpr(String expression, DBTrade db)
{
String lefttitle = "";
String leftfield = "";
String righttitle = "";
String rightfield = "";
String command = "";
double[] parms = new double[10];
NumberFormatInfo ni = (NumberFormatInfo)CultureInfo.InstalledUICulture.NumberFormat.Clone();
ni.NumberDecimalSeparator = ".";
expression = expression.Trim();
if (expression.Contains('='))
{
leftfield = expression.Substring(0, expression.IndexOf('=')).Trim();
// per farlo bene, x.(__) x è un nome di titolo?
if (leftfield.Contains('.'))
{
lefttitle = leftfield.Substring(0, leftfield.IndexOf('.'));
leftfield = leftfield.Substring(leftfield.IndexOf('.') + 1);
}
expression = expression.Substring(expression.IndexOf('=') + 1).Trim();
}
// lefttitle e leftfield apposto.
expression = expression.Replace(")", "");
if (!expression.Contains('('))
{
return(false);
}
command = expression.Substring(0, expression.IndexOf('('));
expression = expression.Substring(expression.IndexOf('(') + 1);
String[] otherparms = expression.Trim().Split(',');
if (!otherparms[0].Contains('.'))
{
return(false);
}
righttitle = otherparms[0].Substring(0, otherparms[0].IndexOf('.'));
rightfield = otherparms[0].Substring(otherparms[0].IndexOf('.') + 1);
for (int j = 1; j < otherparms.Length; j++)
{
try { parms[j - 1] = Double.Parse(otherparms[j], ni); }
catch (FormatException) { return(false); }
}
if (lefttitle.Equals("")) // if not specified left title
{
lefttitle = righttitle;
}
// now left* right*, command, parms are ok
// MessageBox.Show(lefttitle + "." + leftfield + " = "+command+"(" + righttitle + "." + rightfield+")");
DBTitle srcTitle = db.getByName(righttitle);
DBTitle dstTitle = db.getByName(lefttitle);
if (srcTitle == null || dstTitle == null)
{
return(false);
}
double[] srcSerie = srcTitle.GetSerieByName(rightfield);
if (srcSerie == null)
{
return(false);
}
double[] result = null;
if (command.Equals("const"))
{
result = TI.calculate_const(srcSerie.Length, parms[0]);
}
else if (command.Equals("mm"))
{
result = TI.calculate_mm(srcSerie, (int)parms[0]);
}
else if (command.Equals("emm"))
{
result = TI.calculate_emm(srcSerie, (int)parms[0], parms[1]);
}
else if (command.Equals("d") || command.Equals("d-"))
{
result = TI.calculate_d(srcSerie, (int)parms[0]);
}
else if (command.Equals("d%") || command.Equals("d-%") || command.Equals("dperc") || command.Equals("d-perc"))
{
result = TI.calculate_dperc(srcSerie, (int)parms[0]);
}
else if (command.Equals("d2") || command.Equals("d2-"))
{
result = TI.calculate_d2(srcSerie, (int)parms[0]);
}
else if (command.Equals("sigma"))
{
result = TI.calculate_sigma(srcSerie, (int)parms[0]);
}
else if (command.Equals("esigma"))
{
result = TI.calculate_esigma(srcSerie, (int)parms[0], parms[1]);
}
else if (command.Equals("BBhigh"))
{
result = TI.calculate_BBhigh(srcSerie, (int)parms[0], parms[1]);
}
else if (command.Equals("BBlow"))
{
result = TI.calculate_BBlow(srcSerie, (int)parms[0], parms[1]);
}
else if (command.Equals("BBWp"))
{
result = TI.calculate_BBWp(srcSerie, (int)parms[0], parms[1]);
}
else if (command.Equals("BBBp"))
{
result = TI.calculate_BBBp(srcSerie, (int)parms[0], parms[1]);
}
else if (command.Equals("range"))
{
result = TI.calculate_range(srcSerie, (int)parms[0]);
}
else if (command.Equals("stochK"))
{
result = TI.calculate_stochasticK(srcSerie, (int)parms[0], parms[1]);
}
else if (command.Equals("RSIC"))
{
result = TI.calculate_RSIC(srcSerie, (int)parms[0]);
}
else if (command.Equals("RSIV"))
{
result = TI.calculate_RSIV(srcSerie, (int)parms[0]);
}
else if (command.Equals("rand"))
{
result = TI.calculate_rand(srcSerie, parms[0], parms[1]);
}
if (result != null)
{
dstTitle.AddSerie(leftfield, result);
return(true);
}
else
{
return(false);
}
}
