X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-show.c;h=d406d5e3f9100bd2b61570c9576533bf9aa071a2;hp=744b62727c26afed43e3685a160b2b1b52d29865;hb=f2160ae5404a740ee9afd76c33588389da4036f9;hpb=5a69aa14748162429c43ad5ff3d8b35779fff0d4

diff --git a/notmuch-show.c b/notmuch-show.c
index 744b6272..d406d5e3 100644
--- a/notmuch-show.c
+++ b/notmuch-show.c
@@ -1007,10 +1007,18 @@ enum {
     NOTMUCH_FORMAT_RAW
 };
 
+static const notmuch_show_format_t *formatters[] = {
+    [NOTMUCH_FORMAT_JSON] = &format_json,
+    [NOTMUCH_FORMAT_SEXP] = &format_sexp,
+    [NOTMUCH_FORMAT_TEXT] = &format_text,
+    [NOTMUCH_FORMAT_MBOX] = &format_mbox,
+    [NOTMUCH_FORMAT_RAW] = &format_raw,
+};
+
 enum {
-    ENTIRE_THREAD_DEFAULT,
-    ENTIRE_THREAD_TRUE,
-    ENTIRE_THREAD_FALSE,
+    ENTIRE_THREAD_DEFAULT = -1,
+    ENTIRE_THREAD_FALSE = FALSE,
+    ENTIRE_THREAD_TRUE = TRUE,
 };
 
 /* The following is to allow future options to be added more easily */
@@ -1026,7 +1034,7 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
     notmuch_query_t *query;
     char *query_string;
     int opt_index, ret;
-    const notmuch_show_format_t *format = &format_text;
+    const notmuch_show_format_t *formatter;
     sprinter_t *sprinter;
     notmuch_show_params_t params = {
 	.part = -1,
@@ -1039,12 +1047,13 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
 	},
 	.include_html = FALSE
     };
-    int format_sel = NOTMUCH_FORMAT_NOT_SPECIFIED;
+    int format = NOTMUCH_FORMAT_NOT_SPECIFIED;
     int exclude = EXCLUDE_TRUE;
     int entire_thread = ENTIRE_THREAD_DEFAULT;
+    notmuch_bool_t single_message;
 
     notmuch_opt_desc_t options[] = {
-	{ NOTMUCH_OPT_KEYWORD, &format_sel, "format", 'f',
+	{ NOTMUCH_OPT_KEYWORD, &format, "format", 'f',
 	  (notmuch_keyword_t []){ { "json", NOTMUCH_FORMAT_JSON },
 				  { "text", NOTMUCH_FORMAT_TEXT },
 				  { "sexp", NOTMUCH_FORMAT_SEXP },
@@ -1080,40 +1089,25 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
     if (params.crypto.decrypt)
 	params.crypto.verify = TRUE;
 
-    if (format_sel == NOTMUCH_FORMAT_NOT_SPECIFIED) {
+    /* specifying a part implies single message display */
+    single_message = params.part >= 0;
+
+    if (format == NOTMUCH_FORMAT_NOT_SPECIFIED) {
 	/* if part was requested and format was not specified, use format=raw */
 	if (params.part >= 0)
-	    format_sel = NOTMUCH_FORMAT_RAW;
+	    format = NOTMUCH_FORMAT_RAW;
 	else
-	    format_sel = NOTMUCH_FORMAT_TEXT;
+	    format = NOTMUCH_FORMAT_TEXT;
     }
 
-    switch (format_sel) {
-    case NOTMUCH_FORMAT_JSON:
-	format = &format_json;
-	break;
-    case NOTMUCH_FORMAT_TEXT:
-	format = &format_text;
-	break;
-    case NOTMUCH_FORMAT_SEXP:
-	format = &format_sexp;
-	break;
-    case NOTMUCH_FORMAT_MBOX:
+    if (format == NOTMUCH_FORMAT_MBOX) {
 	if (params.part > 0) {
 	    fprintf (stderr, "Error: specifying parts is incompatible with mbox output format.\n");
 	    return EXIT_FAILURE;
 	}
-
-	format = &format_mbox;
-	break;
-    case NOTMUCH_FORMAT_RAW:
-	format = &format_raw;
-	/* If --format=raw specified without specifying part, we can only
-	 * output single message, so set part=0 */
-	if (params.part < 0)
-	    params.part = 0;
-	params.raw = TRUE;
-	break;
+    } else if (format == NOTMUCH_FORMAT_RAW) {
+	/* raw format only supports single message display */
+	single_message = TRUE;
     }
 
     notmuch_exit_if_unsupported_format ();
@@ -1121,10 +1115,12 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
     /* Default is entire-thread = FALSE except for format=json and
      * format=sexp. */
     if (entire_thread == ENTIRE_THREAD_DEFAULT) {
-	if (format == &format_json || format == &format_sexp)
-	    entire_thread = ENTIRE_THREAD_TRUE;
+	if (format == NOTMUCH_FORMAT_JSON || format == NOTMUCH_FORMAT_SEXP)
+	    params.entire_thread = TRUE;
 	else
-	    entire_thread = ENTIRE_THREAD_FALSE;
+	    params.entire_thread = FALSE;
+    } else {
+	params.entire_thread = entire_thread;
     }
 
     if (!params.output_body) {
@@ -1132,22 +1128,17 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
 	    fprintf (stderr, "Warning: --body=false is incompatible with --part > 0. Disabling.\n");
 	    params.output_body = TRUE;
 	} else {
-	    if (format != &format_json && format != &format_sexp)
+	    if (format != NOTMUCH_FORMAT_JSON && format != NOTMUCH_FORMAT_SEXP)
 		fprintf (stderr,
 			 "Warning: --body=false only implemented for format=json and format=sexp\n");
 	}
     }
 
     if (params.include_html &&
-        (format_sel != NOTMUCH_FORMAT_JSON && format_sel != NOTMUCH_FORMAT_SEXP)) {
+        (format != NOTMUCH_FORMAT_JSON && format != NOTMUCH_FORMAT_SEXP)) {
 	fprintf (stderr, "Warning: --include-html only implemented for format=json and format=sexp\n");
     }
 
-    if (entire_thread == ENTIRE_THREAD_TRUE)
-	params.entire_thread = TRUE;
-    else
-	params.entire_thread = FALSE;
-
     query_string = query_string_from_args (config, argc-opt_index, argv+opt_index);
     if (query_string == NULL) {
 	fprintf (stderr, "Out of memory\n");
@@ -1174,12 +1165,13 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
     }
 
     /* Create structure printer. */
-    sprinter = format->new_sprinter(config, stdout);
+    formatter = formatters[format];
+    sprinter = formatter->new_sprinter(config, stdout);
 
     /* If a single message is requested we do not use search_excludes. */
-    if (params.part >= 0)
-	ret = do_show_single (config, query, format, sprinter, &params);
-    else {
+    if (single_message) {
+	ret = do_show_single (config, query, formatter, sprinter, &params);
+    } else {
 	/* We always apply set the exclude flag. The
 	 * exclude=true|false option controls whether or not we return
 	 * threads that only match in an excluded message */
@@ -1197,7 +1189,7 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
 	    params.omit_excluded = FALSE;
 	}
 
-	ret = do_show (config, query, format, sprinter, &params);
+	ret = do_show (config, query, formatter, sprinter, &params);
     }
 
     notmuch_crypto_cleanup (&params.crypto);