[PATCH v2 1/3] notmuch: Include the format parameter of text/plain parts

[David Edmondson <dme@dme.org>]

During formatted output, if a content type of a text/plain part
has a "format" paramter, include it in the output.
---
 devel/schemata |  2 ++
 notmuch-show.c | 13 +++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/devel/schemata b/devel/schemata
index 42b1bcf3..194933d4 100644
--- a/devel/schemata
+++ b/devel/schemata
@@ -93,6 +93,8 @@ part = {
     # otherwise (leaf parts):
     filename?:      string,
     content-charset?: string,
+    # if content-type is "text/plain" and a "format" parameter exists:
+    format?:        string,
     # A leaf part's body content is optional, but may be included if
     # it can be correctly encoded as a string.  Consumers should use
     # this in preference to fetching the part content separately.
diff --git a/notmuch-show.c b/notmuch-show.c
index 07e9a5db..92d18bb8 100644
--- a/notmuch-show.c
+++ b/notmuch-show.c
@@ -708,6 +708,19 @@ format_part_sprinter (const void *ctx, sprinter_t *sp, mime_node_t *node,
     }
 
     if (GMIME_IS_PART (node->part)) {
+	/* Include the format parameter of text/plain parts if it
+	 * exists, allowing the UI to adapt the display of the part as
+	 * appropriate.
+	 */
+	if (g_mime_content_type_is_type (content_type, "text", "plain")) {
+	    const char *format =
+		g_mime_object_get_content_type_parameter (node->part, "format");
+	    if (format) {
+		sp->map_key (sp, "format");
+		sp->string (sp, format);
+	    }
+	}
+
 	/* 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.
-- 
2.11.0