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https://git.notmuchmail.org/git/notmuch
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show: Convert JSON format to the new self-recursive style
As before, this is all code movement and a smidgen of glue. This moves the existing JSON formatter code into one self-recursive function, but doesn't change any of the logic to take advantage of the new structure. In general, "leafs" of the JSON structure are left in helper functions (most of them untouched), so that it's easy to see the overall structure of the format from the main recursive function.
This commit is contained in:
Austin Clements
David Bremner
parent
6e25ea031f
commit
44d9656cbf
1 changed files with 135 additions and 138 deletions
273
notmuch-show.c
273
notmuch-show.c
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@ -35,52 +35,14 @@ static const notmuch_show_format_t format_text = {
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};
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static void
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format_message_json (const void *ctx,
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notmuch_message_t *message,
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unused (int indent));
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static void
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format_headers_json (const void *ctx,
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notmuch_message_t *message);
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format_part_json_entry (const void *ctx, mime_node_t *node,
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int indent, const notmuch_show_params_t *params);
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static void
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format_headers_message_part_json (GMimeMessage *message);
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static void
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format_part_start_json (unused (GMimeObject *part),
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int *part_count);
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static void
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format_part_encstatus_json (int status);
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static void
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#ifdef GMIME_ATLEAST_26
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format_part_sigstatus_json (GMimeSignatureList* siglist);
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#else
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format_part_sigstatus_json (const GMimeSignatureValidity* validity);
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#endif
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static void
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format_part_content_json (GMimeObject *part);
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static void
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format_part_end_json (GMimeObject *part);
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/* Any changes to the JSON format should be reflected in the file
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* devel/schemata. */
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static const notmuch_show_format_t format_json = {
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"[", NULL,
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"{", format_message_json,
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"\"headers\": {", format_headers_json, format_headers_message_part_json, "}",
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", \"body\": [",
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format_part_start_json,
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format_part_encstatus_json,
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format_part_sigstatus_json,
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format_part_content_json,
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format_part_end_json,
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", ",
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"]",
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"}", ", ",
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"]"
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.message_set_start = "[",
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.part = format_part_json_entry,
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.message_set_sep = ", ",
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.message_set_end = "]"
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};
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static void
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@ -170,7 +132,7 @@ _get_one_line_summary (const void *ctx, notmuch_message_t *message)
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}
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static void
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format_message_json (const void *ctx, notmuch_message_t *message, unused (int indent))
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format_message_json (const void *ctx, notmuch_message_t *message)
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{
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notmuch_tags_t *tags;
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int first = 1;
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@ -471,24 +433,6 @@ signer_status_to_string (GMimeSignerStatus x)
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}
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#endif
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static void
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format_part_start_json (unused (GMimeObject *part), int *part_count)
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{
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printf ("{\"id\": %d", *part_count);
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}
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static void
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format_part_encstatus_json (int status)
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{
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printf (", \"encstatus\": [{\"status\": ");
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if (status) {
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printf ("\"good\"");
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} else {
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printf ("\"bad\"");
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}
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printf ("}]");
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}
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#ifdef GMIME_ATLEAST_26
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static void
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format_part_sigstatus_json (GMimeSignatureList *siglist)
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@ -618,81 +562,6 @@ format_part_sigstatus_json (const GMimeSignatureValidity* validity)
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}
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#endif
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static void
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format_part_content_json (GMimeObject *part)
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{
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GMimeContentType *content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
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GMimeStream *stream_memory = g_mime_stream_mem_new ();
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const char *cid = g_mime_object_get_content_id (part);
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void *ctx = talloc_new (NULL);
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GByteArray *part_content;
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printf (", \"content-type\": %s",
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json_quote_str (ctx, g_mime_content_type_to_string (content_type)));
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if (cid != NULL)
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printf(", \"content-id\": %s", json_quote_str (ctx, cid));
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if (GMIME_IS_PART (part))
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{
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const char *filename = g_mime_part_get_filename (GMIME_PART (part));
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if (filename)
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printf (", \"filename\": %s", json_quote_str (ctx, filename));
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}
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if (g_mime_content_type_is_type (content_type, "text", "*"))
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{
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/* For non-HTML text parts, we include the content in the
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* JSON. Since JSON must be Unicode, we handle charset
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* decoding here and do not report a charset to the caller.
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* For text/html parts, we do not include the content. If a
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* caller is interested in text/html parts, it should retrieve
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* them separately and they will not be decoded. Since this
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* makes charset decoding the responsibility on the caller, we
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* report the charset for text/html parts.
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*/
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if (g_mime_content_type_is_type (content_type, "text", "html"))
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{
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const char *content_charset = g_mime_object_get_content_type_parameter (GMIME_OBJECT (part), "charset");
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if (content_charset != NULL)
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printf (", \"content-charset\": %s", json_quote_str (ctx, content_charset));
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}
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else
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{
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show_text_part_content (part, stream_memory);
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part_content = g_mime_stream_mem_get_byte_array (GMIME_STREAM_MEM (stream_memory));
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printf (", \"content\": %s", json_quote_chararray (ctx, (char *) part_content->data, part_content->len));
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}
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}
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else if (g_mime_content_type_is_type (content_type, "multipart", "*"))
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{
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printf (", \"content\": [");
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}
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else if (g_mime_content_type_is_type (content_type, "message", "rfc822"))
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{
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printf (", \"content\": [{");
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}
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talloc_free (ctx);
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if (stream_memory)
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g_object_unref (stream_memory);
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}
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static void
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format_part_end_json (GMimeObject *part)
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{
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GMimeContentType *content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
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if (g_mime_content_type_is_type (content_type, "multipart", "*"))
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printf ("]");
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else if (g_mime_content_type_is_type (content_type, "message", "rfc822"))
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printf ("}]");
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printf ("}");
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}
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static void
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format_part_content_raw (GMimeObject *part)
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{
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@ -810,6 +679,134 @@ format_part_text (const void *ctx, mime_node_t *node,
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printf ("\f%s}\n", part_type);
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}
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static void
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format_part_json (const void *ctx, mime_node_t *node, notmuch_bool_t first)
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{
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/* Any changes to the JSON format should be reflected in the file
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* devel/schemata. */
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if (node->envelope_file) {
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printf ("{");
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format_message_json (ctx, node->envelope_file);
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printf ("\"headers\": {");
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format_headers_json (ctx, node->envelope_file);
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printf ("}");
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printf (", \"body\": [");
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format_part_json (ctx, mime_node_child (node, 0), first);
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printf ("]}");
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return;
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}
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void *local = talloc_new (ctx);
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/* The disposition and content-type metadata are associated with
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* the envelope for message parts */
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GMimeObject *meta = node->envelope_part ?
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GMIME_OBJECT (node->envelope_part) : node->part;
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GMimeContentType *content_type = g_mime_object_get_content_type (meta);
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GMimeStream *stream_memory = g_mime_stream_mem_new ();
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const char *cid = g_mime_object_get_content_id (meta);
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GByteArray *part_content;
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int i;
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if (!first)
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printf (", ");
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printf ("{\"id\": %d", node->part_num);
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if (node->decrypt_attempted) {
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printf (", \"encstatus\": [{\"status\": ");
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if (node->decrypt_success) {
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printf ("\"good\"");
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} else {
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printf ("\"bad\"");
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}
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printf ("}]");
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}
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if (node->verify_attempted) {
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#ifdef GMIME_ATLEAST_26
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format_part_sigstatus_json (node->sig_list);
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#else
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format_part_sigstatus_json (node->sig_validity);
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#endif
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}
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printf (", \"content-type\": %s",
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json_quote_str (local, g_mime_content_type_to_string (content_type)));
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if (cid != NULL)
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printf(", \"content-id\": %s", json_quote_str (local, cid));
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if (GMIME_IS_PART (node->part)) {
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const char *filename = g_mime_part_get_filename (GMIME_PART (node->part));
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if (filename)
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printf (", \"filename\": %s", json_quote_str (local, filename));
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}
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if (g_mime_content_type_is_type (content_type, "text", "*")) {
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/* For non-HTML text parts, we include the content in the
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* JSON. Since JSON must be Unicode, we handle charset
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* decoding here and do not report a charset to the caller.
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* For text/html parts, we do not include the content. If a
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* caller is interested in text/html parts, it should retrieve
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* them separately and they will not be decoded. Since this
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* makes charset decoding the responsibility on the caller, we
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* report the charset for text/html parts.
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*/
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if (g_mime_content_type_is_type (content_type, "text", "html")) {
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const char *content_charset = g_mime_object_get_content_type_parameter (meta, "charset");
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if (content_charset != NULL)
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printf (", \"content-charset\": %s", json_quote_str (local, content_charset));
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} else {
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show_text_part_content (node->part, stream_memory);
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part_content = g_mime_stream_mem_get_byte_array (GMIME_STREAM_MEM (stream_memory));
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printf (", \"content\": %s", json_quote_chararray (local, (char *) part_content->data, part_content->len));
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}
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} else if (g_mime_content_type_is_type (content_type, "multipart", "*")) {
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printf (", \"content\": [");
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} else if (g_mime_content_type_is_type (content_type, "message", "rfc822")) {
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printf (", \"content\": [{");
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}
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if (stream_memory)
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g_object_unref (stream_memory);
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if (GMIME_IS_MESSAGE (node->part)) {
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printf ("\"headers\": {");
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format_headers_message_part_json (GMIME_MESSAGE (node->part));
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printf ("}");
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printf (", \"body\": [");
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}
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for (i = 0; i < node->nchildren; i++)
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format_part_json (ctx, mime_node_child (node, i), i == 0);
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if (GMIME_IS_MESSAGE (node->part))
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printf ("]");
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if (g_mime_content_type_is_type (content_type, "multipart", "*"))
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printf ("]");
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else if (g_mime_content_type_is_type (content_type, "message", "rfc822"))
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printf ("}]");
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printf ("}");
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talloc_free (local);
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}
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static void
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format_part_json_entry (const void *ctx, mime_node_t *node, unused (int indent),
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unused (const notmuch_show_params_t *params))
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{
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format_part_json (ctx, node, TRUE);
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}
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static void
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show_message (void *ctx,
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const notmuch_show_format_t *format,
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