public Form_StockChart(Stock stock)
{
InitializeComponent();
stockLineList = new List<Model_ShockChart>();
stockLineList.Add(new Model_ShockChart(stock, Color.Blue));
this.title = "Stock Chart of " + stock.stockCode + ".HK";
}
public static void StockToXML(Stock stock, String path)
{
string fileName = stock.stockCode + "";
foreach (SpecialFileName s in Enum.GetValues(typeof(SpecialFileName)))
{
if ((int)s == stock.stockCode)
{
stock.stockName = s.ToString();
fileName = s.ToString();
}
}
// **********
// Note: code & example from: http://www.switchonthecode.com/tutorials/csharp-tutorial-xml-serialization
// **********
XmlSerializer serializer = new XmlSerializer(typeof(Stock));
TextWriter textWriter = new StreamWriter(path + "\\" + fileName + ".xml");
serializer.Serialize(textWriter, stock);
textWriter.Close();
}
public Model_ShockChart(Stock stock, Color color)
{
this.stock = stock;
this.color = color;
this.color.ToKnownColor();
}
static void DownloadStockDate(Stock stock, int d_from, int m_from, int y_from, int d_to, int m_to, int y_to)
{
// **********
// Note: price tick in yahoo finance is in reverse order
// **********
String url = String.Format(
"http://ichart.yahoo.com/table.csv?s={0:0000}.HK&a={1:00}&b={2}&c={3:0000}&d={4:00}&e={5}&f={6:0000}&g=d&ignore=.csv",
stock.stockCode, m_from - 1, d_from, y_from, m_to - 1, d_to, y_to
);
// ^HSI special handling
if (stock.stockCode == 0)
{
url = url.Replace("0000.HK", "^HSI");
}
string text = FetchWebsite(url);
StringReader sr = new StringReader(text);
string line = sr.ReadLine();
stock.priceList = new List<Tick>();
while (true)
{
line = sr.ReadLine();
if (line != null)
{
FakeTick dateTick = new FakeTick();
dateTick.Time = new DateTime(
int.Parse(line.Substring(0, 4)),
int.Parse(line.Substring(5, 2)),
int.Parse(line.Substring(8, 2)));
stock.priceList.Add(dateTick);
}
else
{
break;
}
}
stock.priceList.Reverse();
}
static Stock DownloadStock(int stockCode, DateTime dateFrom, DateTime dateTo)
{
Stock stock = new Stock();
stock.stockCode = stockCode;
DownloadStockDate(stock, dateFrom.Day, dateFrom.Month, dateFrom.Year, dateTo.Day, dateTo.Month, dateTo.Year);
return stock;
}
static void DownloadStockPrice(Stock stock, int d_from, int m_from, int y_from, int d_to, int m_to, int y_to)
{
// **********
// Note: price tick in yahoo finance is in reverse order
// **********
String url = String.Format(
"http://ichart.yahoo.com/table.csv?s={0:0000}.HK&a={1:00}&b={2}&c={3:0000}&d={4:00}&e={5}&f={6:0000}&g=d&ignore=.csv",
stock.stockCode, m_from - 1, d_from, y_from, m_to - 1, d_to, y_to
);
// ^HSI special handling
if (stock.stockCode == 0)
{
url = url.Replace("0000.HK", "^HSI");
}
String text = FetchWebsite(url);
stock.priceList = new List<Tick>();
// **********
// Note: csv reader library by Sebastien Lorion: http://www.codeproject.com/KB/database/CsvReader.aspx
// **********
NumericTick lastTick = new NumericTick();
// open the file "data.csv" which is a CSV file with headers
using (CsvReader csv =
new CsvReader(new StringReader(text), true))
{
int fieldCount = csv.FieldCount;
string[] headers = csv.GetFieldHeaders();
while (csv.ReadNextRecord())
{
// code sample shipped with library
// for (int i = 0; i < fieldCount; i++)
// Console.Write(string.Format("{0} = {1};",
// headers[i], csv[i]));
// Console.WriteLine();
string tempDate = csv[0];
string tempOpen = csv[1];
string tempHigh = csv[2];
string tempLow = csv[3];
string tempClose = csv[4];
string volume = csv[5];
string adjClose = csv[6];
NumericTick newTick = new NumericTick();
newTick.Time = new DateTime(
int.Parse(tempDate.Substring(0, 4)),
int.Parse(tempDate.Substring(5, 2)),
int.Parse(tempDate.Substring(8, 2)));
newTick.change = 0;
newTick.adjustedChange = 0;
newTick.high = double.Parse(tempHigh);
newTick.low = double.Parse(tempLow);
newTick.open = double.Parse(tempOpen);
newTick.close = double.Parse(tempClose);
newTick.adjustedClose = double.Parse(adjClose);
newTick.volume = volume;
newTick.id = Identifier.N;
if (newTick.close == 0) continue;
// add a dummy tick if the price collected is not continuum
if (stock.priceList.Count != 0)
{
for (int i = lastTick.Time.Subtract(newTick.Time).Days; i > 1; i--)
{
NumericTick dummyTick = new NumericTick();
dummyTick.Time = lastTick.Time.AddDays(-1);
dummyTick.change = 0;
dummyTick.adjustedChange = 0;
dummyTick.volume = "0";
dummyTick.high = newTick.close;
dummyTick.low = newTick.close;
dummyTick.open = newTick.close;
dummyTick.close = newTick.close;
dummyTick.adjustedClose = newTick.adjustedClose;
stock.priceList.Add(dummyTick);
lastTick = dummyTick;
}
}
stock.priceList.Add(newTick);
lastTick = newTick;
}
}
// reverse the tick order to ascending and calculate the change
stock.priceList.Reverse();
double lastPrice = 0.0;
double lastAdjPrice = 0.0;
foreach (NumericTick eachTick in stock.priceList)
{
eachTick.change = ((eachTick.close - lastPrice) * 100);
if (eachTick.change != 0)
{
eachTick.change /= lastPrice;
}
eachTick.adjustedChange = ((eachTick.adjustedClose - lastAdjPrice) * 100);
if (eachTick.adjustedChange != 0)
{
eachTick.adjustedChange /= lastAdjPrice;
}
lastPrice = eachTick.close;
lastAdjPrice = eachTick.adjustedClose;
}
}
static void DownloadStockCode(List<Stock> list, int mode)
{
string url_main = "http://www.hkex.com.hk/eng/market/sec_tradinfo/stockcode/eisdeqty_pf.htm";
string url_gem = "http://www.hkex.com.hk/eng/market/sec_tradinfo/stockcode/eisdgems_pf.htm";
// **********
// Note: regex for stock code & stock name extraction
// <td.*?>(?<code>[0-9]{5})</td><td.*?><a.*?>(?<name>.*?)</a></td>
//
// Match the characters “<td” literally «<td»
// Match any single character that is not a line break character «.*?»
// Between zero and unlimited times, as few times as possible, expanding as needed (lazy) «*?»
// Match the character “>” literally «>»
// Match the regular expression below and capture its match into backreference with name “code” «(?<code>[0-9]{5})»
// Match a single character in the range between “0” and “9” «[0-9]{5}»
// Exactly 5 times «{5}»
// Match the characters “</td><td” literally «</td><td»
// Match any single character that is not a line break character «.*?»
// Between zero and unlimited times, as few times as possible, expanding as needed (lazy) «*?»
// Match the characters “><a” literally «><a»
// Match any single character that is not a line break character «.*?»
// Between zero and unlimited times, as few times as possible, expanding as needed (lazy) «*?»
// Match the character “>” literally «>»
// Match the regular expression below and capture its match into backreference with name “name” «(?<name>.*?)»
// Match any single character that is not a line break character «.*?»
// Between zero and unlimited times, as few times as possible, expanding as needed (lazy) «*?»
// Match the characters “</a></td>” literally «</a></td>»
// **********
try
{
Regex regexObj = new Regex("<td.*?>(?<code>[0-9]{5})</td><td.*?><a.*?>(?<name>.*?)</a></td>");
Match matchResult = null;
if (mode == -1 || mode == -3)
{
// main board
matchResult = regexObj.Match(FetchWebsite(url_main));
while (matchResult.Success)
{
Stock newStock = new Stock();
newStock.stockCode = int.Parse(matchResult.Groups["code"].Value);
newStock.stockName = matchResult.Groups["name"].Value.Trim();
list.Add(newStock);
matchResult = matchResult.NextMatch();
}
}
if (mode == -2 || mode == -3)
{
// growth enterprise market
matchResult = regexObj.Match(FetchWebsite(url_gem));
while (matchResult.Success)
{
Stock newStock = new Stock();
newStock.stockCode = int.Parse(matchResult.Groups["code"].Value);
newStock.stockName = matchResult.Groups["name"].Value.Trim();
list.Add(newStock);
matchResult = matchResult.NextMatch();
}
}
}
catch (ArgumentException ex)
{
// Syntax error in the regular expression
}
}
static void Main(string[] args)
{
int stockCode;
int d_from;
int m_from;
int y_from;
int d_to;
int m_to;
int y_to;
string filePath;
Console.WriteLine("########################################");
Console.WriteLine("# Module:\tFYP_GetStockData");
Console.WriteLine("# Author:\tThomas Tong");
Console.WriteLine("# Email:\[email protected]");
Console.WriteLine("########################################\n");
if (args.Length != 8 || !int.TryParse(args[0], out stockCode))
{
do
{
Console.WriteLine("\nEnter stock code (-1 to get all, 0 to get HSI): ");
} while (!int.TryParse(Console.ReadLine(), out stockCode));
}
if (args.Length != 8 || !int.TryParse(args[1], out y_from))
{
do
{
Console.WriteLine("\nEnter starting year (yyyy): ");
} while (!int.TryParse(Console.ReadLine(), out y_from));
}
if (args.Length != 8 || !int.TryParse(args[2], out m_from))
{
do
{
Console.WriteLine("\nEnter starting month (mm): ");
} while (!int.TryParse(Console.ReadLine(), out m_from));
}
if (args.Length != 8 || !int.TryParse(args[3], out d_from))
{
do
{
Console.WriteLine("\nEnter starting day (dd): ");
} while (!int.TryParse(Console.ReadLine(), out d_from));
}
if (args.Length != 8 || !int.TryParse(args[4], out y_to))
{
do
{
Console.WriteLine("\nEnter ending year (yyyy): ");
} while (!int.TryParse(Console.ReadLine(), out y_to));
}
if (args.Length != 8 || !int.TryParse(args[5], out m_to))
{
do
{
Console.WriteLine("\nEnter ending month (mm): ");
} while (!int.TryParse(Console.ReadLine(), out m_to));
}
if (args.Length != 8 || !int.TryParse(args[6], out d_to))
{
do
{
Console.WriteLine("\nEnter ending day (dd): ");
} while (!int.TryParse(Console.ReadLine(), out d_to));
}
if (args.Length != 8)
{
Console.WriteLine("\nEnter store path (e.g. C:\\Temp\\Stock): ");
filePath = Console.ReadLine();
}
else
{
filePath = args[7];
}
// here we start everything - create directory if not exist
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
if (stockCode >= 0)
{
Stock newStock = new Stock();
newStock.stockCode = stockCode;
Console.WriteLine("\nDownloading stock price for " + newStock.stockCode + "...");
try
{
DownloadStockPrice(newStock, d_from, m_from, y_from, d_to, m_to, y_to);
((NumericTick)newStock.priceList.ElementAt(0)).change = 0;
((NumericTick)newStock.priceList.ElementAt(0)).adjustedChange = 0;
// health check
foreach (NumericTick eachTick in newStock.priceList)
{
if ((double.IsInfinity(eachTick.change) || double.IsNaN(eachTick.change) ||
double.IsInfinity(eachTick.adjustedChange) || double.IsNaN(eachTick.adjustedChange))
&& !newStock.priceList.ElementAt(0).Equals(eachTick))
{
Console.WriteLine(newStock.stockCode + " have invalid change % on " + String.Format("{0:yyyyMMdd}", eachTick.Time));
// dirty trick
eachTick.change = (double.IsInfinity(eachTick.change) || double.IsNaN(eachTick.change)) ? 0 : eachTick.change;
eachTick.adjustedChange = (double.IsInfinity(eachTick.adjustedChange) || double.IsNaN(eachTick.adjustedChange)) ? eachTick.change : eachTick.adjustedChange;
}
}
XMLHelper.StockToXML(newStock, @filePath);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
else
{
// remove all files in the output folder first - added 8 feb
Array.ForEach(Directory.GetFiles(filePath), delegate(string path) { File.Delete(path); });
List<Stock> stockList = new List<Stock>();
Console.WriteLine("\nDownloading stock list...");
DownloadStockCode(stockList, stockCode);
foreach (Stock eachStock in stockList)
{
Console.WriteLine("\nDownloading stock price for " + eachStock.stockCode + "...");
try
{
DownloadStockPrice(eachStock, d_from, m_from, y_from, d_to, m_to, y_to);
((NumericTick)eachStock.priceList.ElementAt(0)).change = 0;
((NumericTick)eachStock.priceList.ElementAt(0)).adjustedChange = 0;
// health check
foreach (NumericTick eachTick in eachStock.priceList)
{
if ((double.IsInfinity(eachTick.change) || double.IsNaN(eachTick.change) ||
double.IsInfinity(eachTick.adjustedChange) || double.IsNaN(eachTick.adjustedChange))
&& !eachStock.priceList.ElementAt(0).Equals(eachTick))
{
Console.WriteLine(eachStock.stockCode + " have invalid change % on " + String.Format("{0:yyyyMMdd}", eachTick.Time));
// dirty trick
eachTick.change = (double.IsInfinity(eachTick.change) || double.IsNaN(eachTick.change)) ? 0 : eachTick.change;
eachTick.adjustedChange = (double.IsInfinity(eachTick.adjustedChange) || double.IsNaN(eachTick.adjustedChange)) ? eachTick.change : eachTick.adjustedChange;
}
}
Console.WriteLine("Writing stock " + eachStock.stockCode + "...");
XMLHelper.StockToXML(eachStock, @filePath);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
Console.WriteLine("\nProcess exited.");
}