public static List <Stock> ParseStream(Stream stream, string stockName)
{
var sb = new StringBuilder();
var stocks = new List <Stock>(1000);
var ignoringLine = false;
bool endOfFile = false;
while (stream.CanRead)
{
sb.Clear();
while (endOfFile == false)
{
var readByte = stream.ReadByte();
if (readByte == -1)
{
endOfFile = true;
break;
}
var character = (char)readByte;
if (character == '\r')
{
continue;
}
if (character == '\n')
{
ignoringLine = false;
break;
}
if ((character < '0' || character > '9') && character != '-' && character != '.' && character != ',')
{
ignoringLine = true;
}
if (ignoringLine)
{
continue;
}
sb.Append(character);
}
if (endOfFile)
{
break;
}
if (sb.Length != 0)
{
stocks.Add(StockLineParser.ParseLine(sb, stockName));
}
}
return(stocks);
}
public void Should_parse_line()
{
var expectedStock = new Stock("some stock name", new DateTime(1986, 03, 13), 0.0672M, 0.07533M, 0.0672M, 0.07533M, 1371330506, 0);
var line = "1986-03-13,0.0672,0.07533,0.0672,0.07533,1371330506,0";
var sb = new StringBuilder(line);
var parsedStock = StockLineParser.ParseLine(sb, "some stock name");
StockTestHelper.AssertEqual(expectedStock, parsedStock);
}
public void Should_parse_stock_Decimal()
{
var expectedDecimal = 0.0672M;
var line = "0.0672,s";
var sb = new StringBuilder(line);
var startIndex = 0;
var parsedDecimal = StockLineParser.ParseSectionAsDecimal(sb, ref startIndex);
Assert.Equal(expectedDecimal, parsedDecimal);
}
public void Should_parse_stock_Int()
{
var expectedLong = 1371330506;
var line = "1371330506,a";
var sb = new StringBuilder(line);
var startIndex = 0;
var parsedLong = StockLineParser.ParseSectionAsInt(sb, ref startIndex);
Assert.Equal(expectedLong, parsedLong);
}
public void Should_parse_stock_DateTime()
{
var expectedDate = new DateTime(1986, 03, 13);
var line = "1986-03-13,";
var sb = new StringBuilder(line);
var startIndex = 0;
var parsedDate = StockLineParser.ParseSectionAsDateTime(sb, ref startIndex);
Assert.Equal(expectedDate, parsedDate);
}
