+void
+format_part_json (const void *ctx, mime_node_t *node, notmuch_bool_t first)
+{
+ /* Any changes to the JSON format should be reflected in the file
+ * devel/schemata. */
+
+ if (node->envelope_file) {
+ printf ("{");
+ format_message_json (ctx, node->envelope_file);
+
+ printf ("\"headers\": ");
+ format_headers_json (ctx, GMIME_MESSAGE (node->part), FALSE);
+
+ printf (", \"body\": [");
+ format_part_json (ctx, mime_node_child (node, 0), first);
+
+ printf ("]}");
+ return;
+ }
+
+ void *local = talloc_new (ctx);
+ /* The disposition and content-type metadata are associated with
+ * the envelope for message parts */
+ GMimeObject *meta = node->envelope_part ?
+ GMIME_OBJECT (node->envelope_part) : node->part;
+ GMimeContentType *content_type = g_mime_object_get_content_type (meta);
+ const char *cid = g_mime_object_get_content_id (meta);
+ const char *filename = GMIME_IS_PART (node->part) ?
+ g_mime_part_get_filename (GMIME_PART (node->part)) : NULL;
+ const char *terminator = "";
+ int i;
+
+ if (!first)
+ printf (", ");
+
+ printf ("{\"id\": %d", node->part_num);
+
+ if (node->decrypt_attempted)
+ printf (", \"encstatus\": [{\"status\": \"%s\"}]",
+ node->decrypt_success ? "good" : "bad");
+
+ if (node->verify_attempted) {
+ printf (", \"sigstatus\": ");
+ format_part_sigstatus_json (node);
+ }
+
+ printf (", \"content-type\": %s",
+ json_quote_str (local, g_mime_content_type_to_string (content_type)));
+
+ if (cid)
+ printf (", \"content-id\": %s", json_quote_str (local, cid));
+
+ if (filename)
+ printf (", \"filename\": %s", json_quote_str (local, filename));
+
+ if (GMIME_IS_PART (node->part)) {
+ /* For non-HTML text parts, we include the content in the
+ * JSON. Since JSON must be Unicode, we handle charset
+ * decoding here and do not report a charset to the caller.
+ * For text/html parts, we do not include the content. If a
+ * caller is interested in text/html parts, it should retrieve
+ * them separately and they will not be decoded. Since this
+ * makes charset decoding the responsibility on the caller, we
+ * report the charset for text/html parts.
+ */
+ if (g_mime_content_type_is_type (content_type, "text", "html")) {
+ const char *content_charset = g_mime_object_get_content_type_parameter (meta, "charset");
+
+ if (content_charset != NULL)
+ printf (", \"content-charset\": %s", json_quote_str (local, content_charset));
+ } else if (g_mime_content_type_is_type (content_type, "text", "*")) {
+ GMimeStream *stream_memory = g_mime_stream_mem_new ();
+ GByteArray *part_content;
+ show_text_part_content (node->part, stream_memory, 0);
+ part_content = g_mime_stream_mem_get_byte_array (GMIME_STREAM_MEM (stream_memory));
+
+ printf (", \"content\": %s", json_quote_chararray (local, (char *) part_content->data, part_content->len));
+ g_object_unref (stream_memory);
+ }
+ } else if (GMIME_IS_MULTIPART (node->part)) {
+ printf (", \"content\": [");
+ terminator = "]";
+ } else if (GMIME_IS_MESSAGE (node->part)) {
+ printf (", \"content\": [{");
+ printf ("\"headers\": ");
+ format_headers_json (local, GMIME_MESSAGE (node->part), FALSE);
+
+ printf (", \"body\": [");
+ terminator = "]}]";
+ }
+
+ talloc_free (local);
+
+ for (i = 0; i < node->nchildren; i++)
+ format_part_json (ctx, mime_node_child (node, i), i == 0);
+
+ printf ("%s}", terminator);
+}
+
+static notmuch_status_t
+format_part_json_entry (const void *ctx, mime_node_t *node, unused (int indent),
+ unused (const notmuch_show_params_t *params))
+{
+ format_part_json (ctx, node, TRUE);
+
+ return NOTMUCH_STATUS_SUCCESS;
+}
+
+/* Print a message in "mboxrd" format as documented, for example,
+ * here:
+ *
+ * http://qmail.org/qmail-manual-html/man5/mbox.html
+ */
+static notmuch_status_t
+format_part_mbox (const void *ctx, mime_node_t *node, unused (int indent),
+ unused (const notmuch_show_params_t *params))
+{
+ notmuch_message_t *message = node->envelope_file;
+
+ const char *filename;
+ FILE *file;
+ const char *from;
+
+ time_t date;
+ struct tm date_gmtime;
+ char date_asctime[26];
+
+ char *line = NULL;
+ size_t line_size;
+ ssize_t line_len;
+
+ if (!message)
+ INTERNAL_ERROR ("format_part_mbox requires a root part");
+
+ filename = notmuch_message_get_filename (message);
+ file = fopen (filename, "r");
+ if (file == NULL) {
+ fprintf (stderr, "Failed to open %s: %s\n",
+ filename, strerror (errno));
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+
+ from = notmuch_message_get_header (message, "from");
+ from = _extract_email_address (ctx, from);
+
+ date = notmuch_message_get_date (message);
+ gmtime_r (&date, &date_gmtime);
+ asctime_r (&date_gmtime, date_asctime);
+
+ printf ("From %s %s", from, date_asctime);
+
+ while ((line_len = getline (&line, &line_size, file)) != -1 ) {
+ if (_is_from_line (line))
+ putchar ('>');
+ printf ("%s", line);
+ }
+
+ printf ("\n");
+
+ fclose (file);
+
+ return NOTMUCH_STATUS_SUCCESS;
+}
+
+static notmuch_status_t
+format_part_raw (unused (const void *ctx), mime_node_t *node,
+ unused (int indent),
+ unused (const notmuch_show_params_t *params))
+{
+ if (node->envelope_file) {
+ /* Special case the entire message to avoid MIME parsing. */
+ const char *filename;
+ FILE *file;
+ size_t size;
+ char buf[4096];
+
+ filename = notmuch_message_get_filename (node->envelope_file);
+ if (filename == NULL) {
+ fprintf (stderr, "Error: Cannot get message filename.\n");
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+
+ file = fopen (filename, "r");
+ if (file == NULL) {
+ fprintf (stderr, "Error: Cannot open file %s: %s\n", filename, strerror (errno));
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+
+ while (!feof (file)) {
+ size = fread (buf, 1, sizeof (buf), file);
+ if (ferror (file)) {
+ fprintf (stderr, "Error: Read failed from %s\n", filename);
+ fclose (file);
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+
+ if (fwrite (buf, size, 1, stdout) != 1) {
+ fprintf (stderr, "Error: Write failed\n");
+ fclose (file);
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+ }
+
+ fclose (file);
+ return NOTMUCH_STATUS_SUCCESS;
+ }
+
+ GMimeStream *stream_stdout;
+ GMimeStream *stream_filter = NULL;
+
+ stream_stdout = g_mime_stream_file_new (stdout);
+ g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream_stdout), FALSE);
+
+ stream_filter = g_mime_stream_filter_new (stream_stdout);
+
+ if (GMIME_IS_PART (node->part)) {
+ /* For leaf parts, we emit only the transfer-decoded
+ * body. */
+ GMimeDataWrapper *wrapper;
+ wrapper = g_mime_part_get_content_object (GMIME_PART (node->part));
+
+ if (wrapper && stream_filter)
+ g_mime_data_wrapper_write_to_stream (wrapper, stream_filter);
+ } else {
+ /* Write out the whole part. For message parts (the root
+ * part and embedded message parts), this will be the
+ * message including its headers (but not the
+ * encapsulating part's headers). For multipart parts,
+ * this will include the headers. */
+ if (stream_filter)
+ g_mime_object_write_to_stream (node->part, stream_filter);
+ }
+
+ if (stream_filter)
+ g_object_unref (stream_filter);
+
+ if (stream_stdout)
+ g_object_unref(stream_stdout);
+
+ return NOTMUCH_STATUS_SUCCESS;
+}
+
+static notmuch_status_t