private double ParseLastDealRate(string webData)
{
var pos = webData.IndexOf("Курс последней сделки", StringComparison.Ordinal);
var posFrom = webData.IndexOf("<td>", pos + 2, StringComparison.Ordinal);
var posTo = webData.IndexOf("</td>", posFrom + 2, StringComparison.Ordinal);
var rateString = webData.Substring(posFrom + 5, posTo - posFrom - 1);
var rate = SpecialOperations.ParseDoubleFromWebTrash(rateString);
return(rate);
}
private double ParseDealsCount(string webData)
{
var pos = webData.IndexOf("Количество сделок", StringComparison.Ordinal);
var posFrom = webData.IndexOf("<td>", pos + 2, StringComparison.Ordinal);
var posTo = webData.IndexOf("</td>", posFrom + 2, StringComparison.Ordinal);
var rateString = webData.Substring(posFrom + 5, posTo - posFrom - 1);
var rate = SpecialOperations.ParseDoubleFromWebTrash(rateString);
return(rate);
}
private static double ParseValue(string table, string param)
{
try
{
var pos = table.IndexOf(param, StringComparison.Ordinal);
var posFrom = table.IndexOf("<td>", pos, StringComparison.Ordinal) + 4;
var posTo = table.IndexOf("</td>", posFrom, StringComparison.Ordinal);
var valueString = table.Substring(posFrom, posTo - posFrom).Trim();
return(SpecialOperations.ParseDoubleFromWebTrash(valueString));
}
catch (Exception e)
{
Console.WriteLine(e);
return(-1);
}
}
private void GetForCurrency(string table, string currency, out double rate, out string volume)
{
var key = string.Format("<a href=\"/exchange/currencymarket/{0}\">{1}</a>", currency.ToLower(), currency);
var pos = table.IndexOf(key, StringComparison.Ordinal);
pos = table.IndexOf("<p class=\"text-center h1 mt-0\">", pos + 5, StringComparison.Ordinal);
var posFrom = pos + 29;
var posTo = table.IndexOf("<span", posFrom, StringComparison.Ordinal);
if (posTo - posFrom - 2 < 0)
{
rate = -1;
volume = "";
return;
}
var rateString = table.Substring(posFrom, posTo - posFrom - 2);
rate = SpecialOperations.ParseDoubleFromWebTrash(rateString);
pos = table.IndexOf(">Объём, млн. USD</span>", posTo, StringComparison.Ordinal);
posFrom = table.IndexOf(">", pos + 27, StringComparison.Ordinal);
posTo = table.IndexOf("</span", posFrom, StringComparison.Ordinal);
volume = table.Substring(posFrom + 1, posTo - posFrom - 1);
}