From: Austin Clements <aclements@csail.mit.edu>
To: Peter Feigl <craven@gmx.net>, notmuch@notmuchmail.org
Subject: Re: [PATCH v2 3/5] Use the S-Expression structured printer in
	notmuch-show, notmuch-reply and notmuch-search.
In-Reply-To: <1354632382-15609-4-git-send-email-craven@gmx.net>
References: <1354632382-15609-1-git-send-email-craven@gmx.net>
	<1354632382-15609-4-git-send-email-craven@gmx.net>
User-Agent: Notmuch/0.14+100~gcb9b0b0 (http://notmuchmail.org) Emacs/23.4.1
	(i486-pc-linux-gnu)
Date: Tue, 04 Dec 2012 14:22:43 -0500
Message-ID: <87d2ypy64c.fsf@awakening.csail.mit.edu>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Precedence: list

On Tue, 04 Dec 2012, Peter Feigl <craven@gmx.net> wrote:
> This patch uses the new S-Expression printer in the notmuch CLI (show,
> search and reply). You can now use --format=sexp for any of them.
> ---
>  notmuch-reply.c  |  5 +++++
>  notmuch-search.c |  6 +++++-
>  notmuch-show.c   | 18 ++++++++++++++----
>  3 files changed, 24 insertions(+), 5 deletions(-)
>
> diff --git a/notmuch-reply.c b/notmuch-reply.c
> index 53aefa7..69fd256 100644
> --- a/notmuch-reply.c
> +++ b/notmuch-reply.c
> @@ -697,6 +697,7 @@ notmuch_reply_format_headers_only(void *ctx,
>  enum {
>      FORMAT_DEFAULT,
>      FORMAT_JSON,
> +    FORMAT_SEXP,
>      FORMAT_HEADERS_ONLY,
>  };
>  
> @@ -724,6 +725,7 @@ notmuch_reply_command (void *ctx, int argc, char *argv[])
>  	{ NOTMUCH_OPT_KEYWORD, &format, "format", 'f',
>  	  (notmuch_keyword_t []){ { "default", FORMAT_DEFAULT },
>  				  { "json", FORMAT_JSON },
> +				  { "sexp", FORMAT_SEXP },

"sexpa" if we're going to support both alists and plists?  Same for the
others.

>  				  { "headers-only", FORMAT_HEADERS_ONLY },
>  				  { 0, 0 } } },
>  	{ NOTMUCH_OPT_KEYWORD, &reply_all, "reply-to", 'r',
> @@ -745,6 +747,9 @@ notmuch_reply_command (void *ctx, int argc, char *argv[])
>      } else if (format == FORMAT_JSON) {
>  	reply_format_func = notmuch_reply_format_sprinter;
>  	sp = sprinter_json_create (ctx, stdout);
> +    } else if (format == FORMAT_SEXP) {
> +	reply_format_func = notmuch_reply_format_sprinter;
> +	sp = sprinter_sexp_create (ctx, stdout);
>      } else {
>  	reply_format_func = notmuch_reply_format_default;
>      }
> diff --git a/notmuch-search.c b/notmuch-search.c
> index 830c4e4..6218622 100644
> --- a/notmuch-search.c
> +++ b/notmuch-search.c
> @@ -305,7 +305,7 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
>      int exclude = EXCLUDE_TRUE;
>      unsigned int i;
>  
> -    enum { NOTMUCH_FORMAT_JSON, NOTMUCH_FORMAT_TEXT }
> +    enum { NOTMUCH_FORMAT_JSON, NOTMUCH_FORMAT_TEXT, NOTMUCH_FORMAT_SEXP }
>  	format_sel = NOTMUCH_FORMAT_TEXT;
>  
>      notmuch_opt_desc_t options[] = {
> @@ -315,6 +315,7 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
>  				  { 0, 0 } } },
>  	{ NOTMUCH_OPT_KEYWORD, &format_sel, "format", 'f',
>  	  (notmuch_keyword_t []){ { "json", NOTMUCH_FORMAT_JSON },
> +				  { "sexp", NOTMUCH_FORMAT_SEXP },
>  				  { "text", NOTMUCH_FORMAT_TEXT },
>  				  { 0, 0 } } },
>  	{ NOTMUCH_OPT_KEYWORD, &output, "output", 'o',
> @@ -347,6 +348,9 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
>      case NOTMUCH_FORMAT_JSON:
>  	format = sprinter_json_create (ctx, stdout);
>  	break;
> +    case NOTMUCH_FORMAT_SEXP:
> +	format = sprinter_sexp_create (ctx, stdout);
> +	break;
>      default:
>  	/* this should never happen */
>  	INTERNAL_ERROR("no output format selected");
> diff --git a/notmuch-show.c b/notmuch-show.c
> index 38c621f..d4860f1 100644
> --- a/notmuch-show.c
> +++ b/notmuch-show.c
> @@ -40,6 +40,11 @@ static const notmuch_show_format_t format_json = {
>      .part = format_part_sprinter_entry,
>  };
>  
> +static const notmuch_show_format_t format_sexp = {
> +    .new_sprinter = sprinter_sexp_create,
> +    .part = format_part_sprinter_entry,
> +};
> +
>  static notmuch_status_t
>  format_part_mbox (const void *ctx, sprinter_t *sp, mime_node_t *node,
>  		  int indent, const notmuch_show_params_t *params);
> @@ -110,7 +115,7 @@ _get_one_line_summary (const void *ctx, notmuch_message_t *message)
>  static void
>  format_message_sprinter (sprinter_t *sp, notmuch_message_t *message)
>  {
> -    /* Any changes to the JSON format should be reflected in the file
> +    /* Any changes to the JSON or S-Expression format should be reflected in the file
>       * devel/schemata. */

Please re-wrap this comment to 72 columns.

>  
>      void *local = talloc_new (NULL);
> @@ -1012,6 +1017,7 @@ do_show (void *ctx,
>  enum {
>      NOTMUCH_FORMAT_NOT_SPECIFIED,
>      NOTMUCH_FORMAT_JSON,
> +    NOTMUCH_FORMAT_SEXP,
>      NOTMUCH_FORMAT_TEXT,
>      NOTMUCH_FORMAT_MBOX,
>      NOTMUCH_FORMAT_RAW
> @@ -1056,6 +1062,7 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))
>  	{ NOTMUCH_OPT_KEYWORD, &format_sel, "format", 'f',
>  	  (notmuch_keyword_t []){ { "json", NOTMUCH_FORMAT_JSON },
>  				  { "text", NOTMUCH_FORMAT_TEXT },
> +				  { "sexp", NOTMUCH_FORMAT_SEXP },
>  				  { "mbox", NOTMUCH_FORMAT_MBOX },
>  				  { "raw", NOTMUCH_FORMAT_RAW },
>  				  { 0, 0 } } },
> @@ -1100,6 +1107,9 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))
>      case NOTMUCH_FORMAT_TEXT:
>  	format = &format_text;
>  	break;
> +    case NOTMUCH_FORMAT_SEXP:
> +	format = &format_sexp;
> +	break;
>      case NOTMUCH_FORMAT_MBOX:
>  	if (params.part > 0) {
>  	    fprintf (stderr, "Error: specifying parts is incompatible with mbox output format.\n");
> @@ -1120,7 +1130,7 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))
>  
>      /* Default is entire-thread = FALSE except for format=json. */
>      if (entire_thread == ENTIRE_THREAD_DEFAULT) {
> -	if (format == &format_json)
> +	if (format == &format_json || format == &format_sexp)

Good catch.

>  	    entire_thread = ENTIRE_THREAD_TRUE;
>  	else
>  	    entire_thread = ENTIRE_THREAD_FALSE;
> @@ -1131,8 +1141,8 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))
>  	    fprintf (stderr, "Warning: --body=false is incompatible with --part > 0. Disabling.\n");
>  	    params.output_body = TRUE;
>  	} else {
> -	    if (format != &format_json)
> -		fprintf (stderr, "Warning: --body=false only implemented for format=json\n");
> +	    if (format != &format_json && format != &format_sexp)
> +		fprintf (stderr, "Warning: --body=false only implemented for format=json and format=sexp\n");
>  	}
>      }
>  
> -- 
> 1.8.0
>
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