add accessor for parser state, r=jefft, mscott part of 23181

mailnews/local/public/nsIMsgParseMailMsgState.idl

@@ -37,7 +37,6 @@ interface nsIMsgParseMailMsgState : nsISupports {
 
     void SetMailDB(in nsIMsgDatabase aDatabase);
     void Clear();
-    void SetState(in nsMailboxParseState aState);
     void SetEnvelopePos(in unsigned long aEnvelopePos);
 
     void ParseAFolderLine(in string line, in unsigned long lineLength);
@@ -46,6 +45,7 @@ interface nsIMsgParseMailMsgState : nsISupports {
 
     long GetAllHeaders(out string headers);
 
+	attribute nsMailboxParseState state;
     /* these are nsMailboxParseState */
     const long ParseEnvelopeState=0;
     const long ParseHeadersState=1;

mailnews/local/src/nsParseMailbox.cpp

@@ -486,6 +486,15 @@ NS_IMETHODIMP nsParseMailMessageState::SetState(nsMailboxParseState aState)
 	return NS_OK;
 }
 
+NS_IMETHODIMP nsParseMailMessageState::GetState(nsMailboxParseState *aState)
+{
+	if (!aState) 
+		return NS_ERROR_NULL_POINTER;
+
+	*aState = m_state;
+	return NS_OK;
+}
+
 NS_IMETHODIMP nsParseMailMessageState::SetEnvelopePos(PRUint32 aEnvelopePos)
 {
 	m_envelope_pos = aEnvelopePos;