[PATCH 1/4] show: indicate length of omitted body content (json)

[Tomi Ollila]

On Sun, Aug 05 2012, Peter Wang <novalazy at gmail.com> wrote:

> If a leaf part's body content is omitted, return the content length in
> --format=json output.  This information may be used by the consumer,
> e.g. to decide whether to download a large attachment over a slow link.
> ---

Code looks good to me and tests pass. So I am not against pushing...

Tomi


>  devel/schemata |    5 ++++-
>  notmuch-show.c |    8 ++++++++
>  2 files changed, 12 insertions(+), 1 deletions(-)
>
> diff --git a/devel/schemata b/devel/schemata
> index 9cb25f5..3df2764 100644
> --- a/devel/schemata
> +++ b/devel/schemata
> @@ -69,7 +69,10 @@ part = {
>      # 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.
> -    content?:       string
> +    content?:       string,
> +    # If a leaf part's body content is not included, the content-length
> +    # may be included instead.
> +    content-length?: int
>  }
>  
>  # The headers of a message or part (format_headers_json with reply = FALSE)
> diff --git a/notmuch-show.c b/notmuch-show.c
> index 3556293..5c54257 100644
> --- a/notmuch-show.c
> +++ b/notmuch-show.c
> @@ -664,6 +664,14 @@ format_part_json (const void *ctx, sprinter_t *sp, mime_node_t *node,
>  	    sp->map_key (sp, "content");
>  	    sp->string_len (sp, (char *) part_content->data, part_content->len);
>  	    g_object_unref (stream_memory);
> +	} else {
> +	    GMimeDataWrapper *wrapper = g_mime_part_get_content_object (GMIME_PART (node->part));
> +	    GMimeStream *stream = g_mime_data_wrapper_get_stream (wrapper);
> +	    ssize_t length = g_mime_stream_length (stream);
> +	    if (length >= 0) {
> +		sp->map_key (sp, "content-length");
> +		sp->integer (sp, length);
> +	    }
>  	}
>      } else if (GMIME_IS_MULTIPART (node->part)) {
>  	sp->map_key (sp, "content");
> -- 
> 1.7.4.4
>
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