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+//=============================================================================
+// File: exampl04.cpp
+// Contents: Source code for Example 4 -- Parsing a multipart message
+// Maintainer: Doug Sauder <dwsauder@fwb.gulf.net>
+// WWW: http://www.fwb.gulf.net/~dwsauder/mimepp.html
+//
+// Copyright (c) 1996, 1997 Douglas W. Sauder
+// All rights reserved.
+//
+// IN NO EVENT SHALL DOUGLAS W. SAUDER BE LIABLE TO ANY PARTY FOR DIRECT,
+// INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
+// THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF DOUGLAS W. SAUDER
+// HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// DOUGLAS W. SAUDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT
+// NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
+// BASIS, AND DOUGLAS W. SAUDER HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
+// SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+//
+//=============================================================================
+
+#include <stdlib.h>
+#include <iostream>
+#include <fstream>
+#include "multipar.h"
+
+
+int main()
+{
+ // Initialize the library
+
+ DwInitialize();
+
+ // Read message from file
+
+ DwString messageStr = "";
+ DwString line;
+ std::ifstream istrm("exampl04.txt");
+ while (DwTrue) {
+ getline(istrm, line);
+ if (istrm.eof()) {
+ break;
+ }
+ messageStr += line + DW_EOL;
+ }
+ istrm.close();
+
+ // Create a DwMessage and parse it. The DwMessage should be created on
+ // the free store, since it will be added to the MultipartMessage.
+
+ DwMessage* msg = DwMessage::NewMessage(messageStr, 0);
+ msg->Parse();
+
+ // Make sure it is a multipart message
+ // If is not a multipart message, we could create a BasicMessage instead,
+ // but we won't do that in this example.
+
+ if (msg->Headers().ContentType().Type() != DwMime::kTypeMultipart) {
+ std::cerr << "Not a multipart message\n";
+ return 0;
+ }
+
+ // Create a MultipartMessage
+
+ MultipartMessage multipart(msg);
+
+ // Open file stream for output
+
+ std::ofstream ostrm("exampl04.out");
+
+ // Print the header fields
+
+ ostrm << "Type -> " << multipart.TypeStr() << std::endl;
+ ostrm << "Subtype -> " << multipart.SubtypeStr() << std::endl;
+ ostrm << "Date -> " << multipart.DateStr() << std::endl;
+ ostrm << "From -> " << multipart.From() << std::endl;
+ ostrm << "To -> " << multipart.To() << std::endl;
+ ostrm << "Cc -> " << multipart.Cc() << std::endl;
+ ostrm << "Bcc -> " << multipart.Bcc() << std::endl;
+ ostrm << "Subject -> " << multipart.Subject() << std::endl;
+
+ // Read the body parts and print them
+
+ MultipartBodyPart part;
+ DwString body;
+ int numParts = multipart.NumberOfParts();
+ for (int idx=0; idx < numParts; ++idx) {
+ multipart.BodyPart(idx, part);
+ ostrm << "\nBody part number " << idx << std::endl;
+ ostrm << "Type -> " << part.TypeStr() << std::endl;
+ ostrm << "Subtype -> " << part.SubtypeStr() << std::endl;
+ ostrm << "Content transfer encoding -> "
+ << part.ContentTransferEncodingStr() << std::endl;
+ ostrm << "Content description -> "
+ << part.ContentDescription() << std::endl;
+ int cte = part.ContentTransferEncoding();
+ if (cte == DwMime::kCteBase64) {
+ DwDecodeBase64(part.Body(), body);
+ ostrm << "Body (decoded) ->" << std::endl << body << std::endl;
+ }
+ else if (cte == DwMime::kCteQuotedPrintable) {
+ DwDecodeQuotedPrintable(part.Body(), body);
+ ostrm << "Body (decoded) ->" << std::endl << body << std::endl;
+ }
+ else {
+ body = part.Body();
+ ostrm << "Body ->" << std::endl << body << std::endl;
+ }
+ }
+ return 0;
+}
+