//load a head content from a string buffer
public void LoadHead(string strData)
{
if(strData == null)
throw new ArgumentNullException();
string field="";
string line;
StringReader sr = new StringReader(strData);
try
{
line = sr.ReadLine();
field = line + "\r\n";
while(! string.IsNullOrEmpty(line))
{
line = sr.ReadLine();
if(! string.IsNullOrEmpty(line) && (line[0] == ' ' || line[0] == '\t'))
{
field += line + "\r\n";
}
else
{
MimeField aMimeField = new MimeField();
aMimeField.LoadField(field);
m_listFields.Add(aMimeField);
field = line + "\r\n";
}
}
}
finally
{
sr.Close();
sr = null;
}
}
public void SetFieldValue(string pszFieldName, string pszFieldValue, string pszFieldCharset)
{
MimeField aMimeField = GetField(pszFieldName);
if (aMimeField != null)
{
aMimeField.SetValue(pszFieldValue);
if (pszFieldCharset != null)
{
aMimeField.SetCharset(pszFieldCharset);
}
}
else
{
aMimeField = new MimeField();
aMimeField.SetName(pszFieldName);
aMimeField.SetValue(pszFieldValue);
if (pszFieldCharset != null)
{
aMimeField.SetCharset(pszFieldCharset);
}
m_listFields.Add(aMimeField);
}
}
public MimeField GetField(string pszFieldName)
{
MimeField aMimeField = FindField(pszFieldName);
return(aMimeField != null?aMimeField:null);
}
public string GetFieldCharset(string pszFieldName)
{
MimeField aMimeField = GetField(pszFieldName);
return(aMimeField != null?aMimeField.GetCharset() : null);
}
public string GetParameter(string pszFieldName, string pszAttr)
{
MimeField aMimeField = GetField(pszFieldName);
return(aMimeField != null?aMimeField.GetParameter(pszAttr) : null);
}
public string GetFieldValue(string pszFieldName)
{
MimeField aMimeField = GetField(pszFieldName);
return(aMimeField != null?aMimeField.GetValue() : null);
}
public void SetFieldValue(string pszFieldName, string pszFieldValue, string pszFieldCharset)
{
MimeField aMimeField = GetField(pszFieldName);
if(aMimeField != null)
{
aMimeField.SetValue(pszFieldValue);
if(pszFieldCharset != null) aMimeField.SetCharset(pszFieldCharset);
}
else
{
aMimeField = new MimeField();
aMimeField.SetName(pszFieldName);
aMimeField.SetValue(pszFieldValue);
if(pszFieldCharset != null) aMimeField.SetCharset(pszFieldCharset);
m_listFields.Add(aMimeField);
}
}
// Content-Type: multipart/...; boundary=...
public void SetBoundary(string pszBoundary)
{
if(pszBoundary == null)
{
Random randObj = new Random((int)DateTime.Now.Ticks);
pszBoundary = "__=_Part_Boundary_"+randObj.Next().ToString()+"_"+randObj.Next().ToString();
}
MimeField aMimeField = GetField(MimeConst.ContentType);
if(aMimeField != null)
{
if(aMimeField.GetValue().IndexOf("multipart", 0, 9) == -1)
aMimeField.SetValue("multipart/mixed");
aMimeField.SetParameter(MimeConst.Boundary, "\""+pszBoundary+"\"");
}
else
{
aMimeField = new MimeField();
aMimeField.SetName(MimeConst.ContentType);
aMimeField.SetValue("multipart/mixed");
aMimeField.SetParameter(MimeConst.Boundary, "\""+pszBoundary+"\"");
m_listFields.Add(aMimeField);
}
}
// Content-Type: image/...; name=...
public void SetName(string pszName)
{
MimeField aMimeField = GetField(MimeConst.ContentType);
if(aMimeField == null)
{
aMimeField = new MimeField();
int lastindex = pszName.LastIndexOf('.');
string strType = "application/octet-stream";
string ext = pszName.Substring(lastindex + 1, pszName.Length - lastindex - 1);
int nIndex = 0;
while(MimeType.TypeCvtTable[nIndex].nMediaType != MimeType.MediaType.MEDIA_UNKNOWN)
{
if(MimeType.TypeCvtTable[nIndex].pszFileExt == ext)
{
strType = MimeType.TypeTable[(int)MimeType.TypeCvtTable[nIndex].nMediaType];
strType += '/';
strType += MimeType.TypeCvtTable[nIndex].pszSubType;
break;
}
nIndex++;
}
aMimeField.SetName(MimeConst.ContentType);
aMimeField.SetValue(strType);
aMimeField.SetParameter(MimeConst.Name, "\""+pszName+"\"");
m_listFields.Add(aMimeField);
}
else
{
aMimeField.SetParameter(MimeConst.Name, "\""+pszName+"\"");
}
}
// Content-Type: text/...; charset=...
public void SetCharset(string pszCharset)
{
MimeField aMimeField = GetField(MimeConst.ContentType);
if(aMimeField == null)
{
aMimeField = new MimeField();
aMimeField.SetName(MimeConst.ContentType);
aMimeField.SetValue("text/plain");
aMimeField.SetParameter(MimeConst.Charset, "\""+pszCharset+"\"");
m_listFields.Add(aMimeField);
}
else
{
aMimeField.SetParameter(MimeConst.Charset, "\""+pszCharset+"\"");
}
}