/// <summary>
/// Converts MediaType_enum to string. NOTE: Returns null for MediaType_enum.NotSpecified.
/// </summary>
/// <param name="mediaType">MediaType_enum value to convert.</param>
/// <returns></returns>
public static string MediaTypeToString(MediaType_enum mediaType)
{
//--- Text/xxx --------------------------------//
if (mediaType == MediaType_enum.Text_plain)
{
return("text/plain");
}
else if (mediaType == MediaType_enum.Text_html)
{
return("text/html");
}
else if (mediaType == MediaType_enum.Text_xml)
{
return("text/xml");
}
else if (mediaType == MediaType_enum.Text_rtf)
{
return("text/rtf");
}
else if (mediaType == MediaType_enum.Text)
{
return("text");
}
//---------------------------------------------//
//--- Image/xxx -------------------------------//
else if (mediaType == MediaType_enum.Image_gif)
{
return("image/gif");
}
else if (mediaType == MediaType_enum.Image_tiff)
{
return("image/tiff");
}
else if (mediaType == MediaType_enum.Image_jpeg)
{
return("image/jpeg");
}
else if (mediaType == MediaType_enum.Image)
{
return("image");
}
//---------------------------------------------//
//--- Audio/xxx -------------------------------//
else if (mediaType == MediaType_enum.Audio)
{
return("audio");
}
//---------------------------------------------//
//--- Video/xxx -------------------------------//
else if (mediaType == MediaType_enum.Video)
{
return("video");
}
//---------------------------------------------//
//--- Application/xxx -------------------------//
else if (mediaType == MediaType_enum.Application_octet_stream)
{
return("application/octet-stream");
}
else if (mediaType == MediaType_enum.Application)
{
return("application");
}
//---------------------------------------------//
//--- Multipart/xxx ---------------------------//
else if (mediaType == MediaType_enum.Multipart_mixed)
{
return("multipart/mixed");
}
else if (mediaType == MediaType_enum.Multipart_alternative)
{
return("multipart/alternative");
}
else if (mediaType == MediaType_enum.Multipart_parallel)
{
return("multipart/parallel");
}
else if (mediaType == MediaType_enum.Multipart_related)
{
return("multipart/related");
}
else if (mediaType == MediaType_enum.Multipart_signed)
{
return("multipart/signed");
}
else if (mediaType == MediaType_enum.Multipart)
{
return("multipart");
}
//---------------------------------------------//
//--- Message/xxx -----------------------------//
else if (mediaType == MediaType_enum.Message_rfc822)
{
return("message/rfc822");
}
else if (mediaType == MediaType_enum.Message)
{
return("message");
}
//---------------------------------------------//
else if (mediaType == MediaType_enum.Unknown)
{
return("unknown");
}
else
{
return(null);
}
}
/// <summary>
/// Converts MediaType_enum to string. NOTE: Returns null for MediaType_enum.NotSpecified.
/// </summary>
/// <param name="mediaType">MediaType_enum value to convert.</param>
/// <returns></returns>
public static string MediaTypeToString(MediaType_enum mediaType)
{
//--- Text/xxx --------------------------------//
if(mediaType == MediaType_enum.Text_plain){
return "text/plain";
}
else if(mediaType == MediaType_enum.Text_html){
return "text/html";
}
else if(mediaType == MediaType_enum.Text_xml){
return "text/xml";
}
else if(mediaType == MediaType_enum.Text_rtf){
return "text/rtf";
}
else if(mediaType == MediaType_enum.Text){
return "text";
}
//---------------------------------------------//
//--- Image/xxx -------------------------------//
else if(mediaType == MediaType_enum.Image_gif){
return "image/gif";
}
else if(mediaType == MediaType_enum.Image_tiff){
return "image/tiff";
}
else if(mediaType == MediaType_enum.Image_jpeg){
return "image/jpeg";
}
else if(mediaType == MediaType_enum.Image){
return "image";
}
//---------------------------------------------//
//--- Audio/xxx -------------------------------//
else if(mediaType == MediaType_enum.Audio){
return "audio";
}
//---------------------------------------------//
//--- Video/xxx -------------------------------//
else if(mediaType == MediaType_enum.Video){
return "video";
}
//---------------------------------------------//
//--- Application/xxx -------------------------//
else if(mediaType == MediaType_enum.Application_octet_stream){
return "application/octet-stream";
}
else if(mediaType == MediaType_enum.Application){
return "application";
}
//---------------------------------------------//
//--- Multipart/xxx ---------------------------//
else if(mediaType == MediaType_enum.Multipart_mixed){
return "multipart/mixed";
}
else if(mediaType == MediaType_enum.Multipart_alternative){
return "multipart/alternative";
}
else if(mediaType == MediaType_enum.Multipart_parallel){
return "multipart/parallel";
}
else if(mediaType == MediaType_enum.Multipart_related){
return "multipart/related";
}
else if(mediaType == MediaType_enum.Multipart_signed){
return "multipart/signed";
}
else if(mediaType == MediaType_enum.Multipart){
return "multipart";
}
//---------------------------------------------//
//--- Message/xxx -----------------------------//
else if(mediaType == MediaType_enum.Message_rfc822){
return "message/rfc822";
}
else if(mediaType == MediaType_enum.Message){
return "message";
}
//---------------------------------------------//
else if(mediaType == MediaType_enum.Unknown){
return "unknown";
}
else{
return null;
}
}
/// <summary>
/// Parses entity and it's child entities.
/// </summary>
internal void Parse(string text)
{
StringReader r = new StringReader(text);
r.ReadToFirstChar();
// If starts with ( then multipart/xxx, otherwise normal single part entity
if (r.StartsWith("("))
{
// Entities are (entity1)(entity2)(...) <SP> ContentTypeSubType
while (r.StartsWith("("))
{
IMAP_BODY_Entity entity = new IMAP_BODY_Entity();
entity.Parse(r.ReadParenthesized());
entity.m_pParentEntity = this;
m_pChildEntities.Add(entity);
r.ReadToFirstChar();
}
// Read multipart values. (nestedMimeEntries) contentTypeSubMediaType
string contentTypeSubMediaType = r.ReadWord();
m_pContentType = MimeUtils.ParseMediaType("multipart/" + contentTypeSubMediaType);
}
else
{
// Basic fields for non-multipart
// contentTypeMainMediaType contentTypeSubMediaType (conentTypeParameters) contentID contentDescription contentEncoding contentSize [envelope] [contentLine]
// Content-Type
string contentTypeMainMediaType = r.ReadWord();
string contentTypeSubMediaType = r.ReadWord();
if (contentTypeMainMediaType.ToUpper() != "NIL" && contentTypeSubMediaType.ToUpper() != "NIL")
{
m_pContentType =
MimeUtils.ParseMediaType(contentTypeMainMediaType + "/" + contentTypeSubMediaType);
}
// Content-Type header field parameters
// Parameters syntax: "name" <SP> "value" <SP> "name" <SP> "value" <SP> ... .
r.ReadToFirstChar();
string conentTypeParameters = "NIL";
if (r.StartsWith("("))
{
conentTypeParameters = r.ReadParenthesized();
StringReader contentTypeParamReader =
new StringReader(MimeUtils.DecodeWords(conentTypeParameters));
List <HeaderFieldParameter> parameters = new List <HeaderFieldParameter>();
while (contentTypeParamReader.Available > 0)
{
string parameterName = contentTypeParamReader.ReadWord();
string parameterValue = contentTypeParamReader.ReadWord();
parameters.Add(new HeaderFieldParameter(parameterName, parameterValue));
}
m_pContentTypeParams = parameters.ToArray();
}
else
{
// Skip NIL
r.ReadWord();
}
// Content-ID:
string contentID = r.ReadWord();
if (contentID.ToUpper() != "NIL")
{
m_ContentID = contentID;
}
// Content-Description:
string contentDescription = r.ReadWord();
if (contentDescription.ToUpper() != "NIL")
{
m_ContentDescription = contentDescription;
}
// Content-Transfer-Encoding:
string contentEncoding = r.ReadWord();
if (contentEncoding.ToUpper() != "NIL")
{
m_ContentEncoding = MimeUtils.ParseContentTransferEncoding(contentEncoding);
}
// Content Encoded data size in bytes
string contentSize = r.ReadWord();
if (contentSize.ToUpper() != "NIL")
{
m_ContentSize = Convert.ToInt32(contentSize);
}
// Only for ContentType message/rfc822
if (ContentType == MediaType_enum.Message_rfc822)
{
r.ReadToFirstChar();
// envelope
if (r.StartsWith("("))
{
m_pEnvelope = new IMAP_Envelope();
m_pEnvelope.Parse(r.ReadParenthesized());
}
else
{
// Skip NIL, ENVELOPE wasn't included
r.ReadWord();
}
// TODO:
// BODYSTRUCTURE
// contentLine
}
// Only for ContentType text/xxx
if (contentTypeMainMediaType.ToLower() == "text")
{
// contentLine
string contentLines = r.ReadWord();
if (contentLines.ToUpper() != "NIL")
{
m_ContentLines = Convert.ToInt32(contentLines);
}
}
}
}
/// <summary>
/// Parses entity and it's child entities.
/// </summary>
internal void Parse(string text)
{
StringReader r = new StringReader(text);
r.ReadToFirstChar();
// If starts with ( then multipart/xxx, otherwise normal single part entity
if (r.StartsWith("("))
{
// Entities are (entity1)(entity2)(...) <SP> ContentTypeSubType
while (r.StartsWith("("))
{
IMAP_BODY_Entity entity = new IMAP_BODY_Entity();
entity.Parse(r.ReadParenthesized());
entity.m_pParentEntity = this;
m_pChildEntities.Add(entity);
r.ReadToFirstChar();
}
// Read multipart values. (nestedMimeEntries) contentTypeSubMediaType
string contentTypeSubMediaType = r.ReadWord();
m_pContentType = MimeUtils.ParseMediaType("multipart/" + contentTypeSubMediaType);
}
else
{
// Basic fields for non-multipart
// contentTypeMainMediaType contentTypeSubMediaType (conentTypeParameters) contentID contentDescription contentEncoding contentSize [envelope] [contentLine]
// Content-Type
string contentTypeMainMediaType = r.ReadWord();
string contentTypeSubMediaType = r.ReadWord();
if (contentTypeMainMediaType.ToUpper() != "NIL" && contentTypeSubMediaType.ToUpper() != "NIL")
{
m_pContentType =
MimeUtils.ParseMediaType(contentTypeMainMediaType + "/" + contentTypeSubMediaType);
}
// Content-Type header field parameters
// Parameters syntax: "name" <SP> "value" <SP> "name" <SP> "value" <SP> ... .
r.ReadToFirstChar();
string conentTypeParameters = "NIL";
if (r.StartsWith("("))
{
conentTypeParameters = r.ReadParenthesized();
StringReader contentTypeParamReader =
new StringReader(MimeUtils.DecodeWords(conentTypeParameters));
List<HeaderFieldParameter> parameters = new List<HeaderFieldParameter>();
while (contentTypeParamReader.Available > 0)
{
string parameterName = contentTypeParamReader.ReadWord();
string parameterValue = contentTypeParamReader.ReadWord();
parameters.Add(new HeaderFieldParameter(parameterName, parameterValue));
}
m_pContentTypeParams = parameters.ToArray();
}
else
{
// Skip NIL
r.ReadWord();
}
// Content-ID:
string contentID = r.ReadWord();
if (contentID.ToUpper() != "NIL")
{
m_ContentID = contentID;
}
// Content-Description:
string contentDescription = r.ReadWord();
if (contentDescription.ToUpper() != "NIL")
{
m_ContentDescription = contentDescription;
}
// Content-Transfer-Encoding:
string contentEncoding = r.ReadWord();
if (contentEncoding.ToUpper() != "NIL")
{
m_ContentEncoding = MimeUtils.ParseContentTransferEncoding(contentEncoding);
}
// Content Encoded data size in bytes
string contentSize = r.ReadWord();
if (contentSize.ToUpper() != "NIL")
{
m_ContentSize = Convert.ToInt32(contentSize);
}
// Only for ContentType message/rfc822
if (ContentType == MediaType_enum.Message_rfc822)
{
r.ReadToFirstChar();
// envelope
if (r.StartsWith("("))
{
m_pEnvelope = new IMAP_Envelope();
m_pEnvelope.Parse(r.ReadParenthesized());
}
else
{
// Skip NIL, ENVELOPE wasn't included
r.ReadWord();
}
// TODO:
// BODYSTRUCTURE
// contentLine
}
// Only for ContentType text/xxx
if (contentTypeMainMediaType.ToLower() == "text")
{
// contentLine
string contentLines = r.ReadWord();
if (contentLines.ToUpper() != "NIL")
{
m_ContentLines = Convert.ToInt32(contentLines);
}
}
}
}
