/// <summary>已重载，返回字节数组对象最接近的编码之一</summary>
/// <param name="sr">一个字节数组对象</param>
/// <returns>返回字节数组对象最接近的编码之一</returns>
public virtual string GetByCode(byte[] sr)
{
SetErr(null);
try
{
EnArr.Clear();
_EnStr = "";
_EnAbsStr = "";
_IsEnArr = 0;
Detector det = new Detector(Lang);
CDOClass cdo = new CDOClass();
det.Init(cdo);
byte[] buf = new byte[1024];
bool done = false;
int lent = 0;
int leni = 0;
while (lent < sr.Length)
{
leni = sr.Length - lent;
if (leni > 1024)
{
Array.Copy(sr, lent, buf, 0, 1024);
leni = 1024;
}
else
{
Array.Copy(sr, lent, buf, 0, leni);
}
lent += 1024;
if (_IsAscii)
{
_IsAscii = det.isAscii(buf, leni);
if (IsAscii)
{
break;
}
}
if (_IsAscii == false && done == false)
{
done = det.DoIt(buf, leni, false);
if (done)
{
break;
}
}
}
det.DataEnd();
if (_IsAscii)
{
_EnAbsStr = "ASCII";
_EnStr = EnAbsStr;
_IsEnArr = 1;
}
else if (cdo.Charset != null)
{
_EnAbsStr = cdo.Charset.ToString();
_EnStr = EnAbsStr;
_IsEnArr = 1;
}
if (_IsEnArr == 0)
{
EnArr = new List <string>(det.getProbableCharsets());
if (EnArr.Count > 0)
{
_EnStr = EnArr[0].ToString();
if (EnArr.Count > 1)
{
_IsEnArr = 2;
}
else
{
_IsEnArr = 1;
}
}
}
return(_EnStr);
}
catch (Exception ex)
{
SetErr(ex);
return("");
}
}
/// <summary>已重载，返回FileStream对象最接近的编码之一</summary>
/// <param name="sr">一个FileStream对象</param>
/// <returns>返回FileStream对象最接近的编码之一</returns>
public virtual string GetByCode(FileStream sr)
{
SetErr(null);
try
{
EnArr.Clear();
_EnStr = "";
_EnAbsStr = "";
_IsEnArr = 0;
Detector det = new Detector(Lang);
CDOClass cdo = new CDOClass();
det.Init(cdo);
byte[] buf = new byte[1024];
bool done = false;
int lent;
while ((lent = sr.Read(buf, 0, buf.Length)) != 0)
{
if (_IsAscii)
{
IsAscii = det.isAscii(buf, lent);
if (IsAscii)
{
break;
}
}
if (_IsAscii == false && done == false)
{
done = det.DoIt(buf, lent, false);
if (done)
{
break;
}
}
}
sr.Close();
det.DataEnd();
if (_IsAscii)
{
_EnAbsStr = "ASCII";
_EnStr = EnAbsStr;
_IsEnArr = 1;
}
else if (cdo.Charset != null)
{
_EnAbsStr = cdo.Charset.ToString();
_EnStr = EnAbsStr;
_IsEnArr = 1;
}
if (_IsEnArr == 0)
{
EnArr = new List <string>(det.getProbableCharsets());
if (EnArr.Count > 0)
{
_EnStr = EnArr[0].ToString();
if (EnArr.Count > 1)
{
_IsEnArr = 2;
}
else
{
_IsEnArr = 1;
}
}
}
return(_EnStr);
}
catch (Exception ex)
{
SetErr(ex);
return("");
}
}
