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30 id 1Xjkbb-0006HX-Ao; Thu, 30 Oct 2014 07:57:15 +0000
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31 From: Mark Walters <markwalters1009@gmail.com>
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32 To: Michal Sojka <sojkam1@fel.cvut.cz>, notmuch@notmuchmail.org
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33 Subject: Re: [PATCH v4 1/6] cli: search: Refactor passing of command line
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35 In-Reply-To: <1414421455-3037-2-git-send-email-sojkam1@fel.cvut.cz>
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36 References: <1414421455-3037-1-git-send-email-sojkam1@fel.cvut.cz>
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37 <1414421455-3037-2-git-send-email-sojkam1@fel.cvut.cz>
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40 Date: Thu, 30 Oct 2014 07:57:13 +0000
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77 On Mon, 27 Oct 2014, Michal Sojka <sojkam1@fel.cvut.cz> wrote:
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78 > Many functions that implement the search command need to access command
\r
79 > line options. Instead of passing each option in a separate variable, put
\r
80 > them in a structure and pass only this structure.
\r
82 > This will become handy in the following patches.
\r
84 > notmuch-search.c | 125 ++++++++++++++++++++++++++++---------------------------
\r
85 > 1 file changed, 64 insertions(+), 61 deletions(-)
\r
87 > diff --git a/notmuch-search.c b/notmuch-search.c
\r
88 > index bc9be45..0c3e972 100644
\r
89 > --- a/notmuch-search.c
\r
90 > +++ b/notmuch-search.c
\r
91 > @@ -30,6 +30,16 @@ typedef enum {
\r
96 > + sprinter_t *format;
\r
97 > + notmuch_query_t *query;
\r
98 > + notmuch_sort_t sort;
\r
99 > + output_t output;
\r
103 > +} search_options_t;
\r
105 > /* Return two stable query strings that identify exactly the matched
\r
106 > * and unmatched messages currently in thread. If there are no
\r
107 > * matched or unmatched messages, the returned buffers will be
\r
108 > @@ -70,43 +80,39 @@ get_thread_query (notmuch_thread_t *thread,
\r
112 > -do_search_threads (sprinter_t *format,
\r
113 > - notmuch_query_t *query,
\r
114 > - notmuch_sort_t sort,
\r
115 > - output_t output,
\r
118 > +do_search_threads (search_options_t *opt)
\r
120 > notmuch_thread_t *thread;
\r
121 > notmuch_threads_t *threads;
\r
122 > notmuch_tags_t *tags;
\r
123 > + sprinter_t *format = opt->format;
\r
127 > - if (offset < 0) {
\r
128 > - offset += notmuch_query_count_threads (query);
\r
129 > - if (offset < 0)
\r
131 > + if (opt->offset < 0) {
\r
132 > + opt->offset += notmuch_query_count_threads (opt->query);
\r
133 > + if (opt->offset < 0)
\r
134 > + opt->offset = 0;
\r
137 > - threads = notmuch_query_search_threads (query);
\r
138 > + threads = notmuch_query_search_threads (opt->query);
\r
139 > if (threads == NULL)
\r
142 > format->begin_list (format);
\r
145 > - notmuch_threads_valid (threads) && (limit < 0 || i < offset + limit);
\r
146 > + notmuch_threads_valid (threads) && (opt->limit < 0 || i < opt->offset + opt->limit);
\r
147 > notmuch_threads_move_to_next (threads), i++)
\r
149 > thread = notmuch_threads_get (threads);
\r
151 > - if (i < offset) {
\r
152 > + if (i < opt->offset) {
\r
153 > notmuch_thread_destroy (thread);
\r
157 > - if (output == OUTPUT_THREADS) {
\r
158 > + if (opt->output == OUTPUT_THREADS) {
\r
159 > format->set_prefix (format, "thread");
\r
160 > format->string (format,
\r
161 > notmuch_thread_get_thread_id (thread));
\r
162 > @@ -123,7 +129,7 @@ do_search_threads (sprinter_t *format,
\r
164 > format->begin_map (format);
\r
166 > - if (sort == NOTMUCH_SORT_OLDEST_FIRST)
\r
167 > + if (opt->sort == NOTMUCH_SORT_OLDEST_FIRST)
\r
168 > date = notmuch_thread_get_oldest_date (thread);
\r
170 > date = notmuch_thread_get_newest_date (thread);
\r
171 > @@ -215,40 +221,36 @@ do_search_threads (sprinter_t *format,
\r
175 > -do_search_messages (sprinter_t *format,
\r
176 > - notmuch_query_t *query,
\r
177 > - output_t output,
\r
181 > +do_search_messages (search_options_t *opt)
\r
183 > notmuch_message_t *message;
\r
184 > notmuch_messages_t *messages;
\r
185 > notmuch_filenames_t *filenames;
\r
186 > + sprinter_t *format = opt->format;
\r
189 > - if (offset < 0) {
\r
190 > - offset += notmuch_query_count_messages (query);
\r
191 > - if (offset < 0)
\r
193 > + if (opt->offset < 0) {
\r
194 > + opt->offset += notmuch_query_count_messages (opt->query);
\r
195 > + if (opt->offset < 0)
\r
196 > + opt->offset = 0;
\r
199 > - messages = notmuch_query_search_messages (query);
\r
200 > + messages = notmuch_query_search_messages (opt->query);
\r
201 > if (messages == NULL)
\r
204 > format->begin_list (format);
\r
207 > - notmuch_messages_valid (messages) && (limit < 0 || i < offset + limit);
\r
208 > + notmuch_messages_valid (messages) && (opt->limit < 0 || i < opt->offset + opt->limit);
\r
209 > notmuch_messages_move_to_next (messages), i++)
\r
211 > - if (i < offset)
\r
212 > + if (i < opt->offset)
\r
215 > message = notmuch_messages_get (messages);
\r
217 > - if (output == OUTPUT_FILES) {
\r
218 > + if (opt->output == OUTPUT_FILES) {
\r
220 > filenames = notmuch_message_get_filenames (message);
\r
222 > @@ -256,7 +258,7 @@ do_search_messages (sprinter_t *format,
\r
223 > notmuch_filenames_valid (filenames);
\r
224 > notmuch_filenames_move_to_next (filenames), j++)
\r
226 > - if (dupe < 0 || dupe == j) {
\r
227 > + if (opt->dupe < 0 || opt->dupe == j) {
\r
228 > format->string (format, notmuch_filenames_get (filenames));
\r
229 > format->separator (format);
\r
231 > @@ -283,12 +285,13 @@ do_search_messages (sprinter_t *format,
\r
234 > do_search_tags (notmuch_database_t *notmuch,
\r
235 > - sprinter_t *format,
\r
236 > - notmuch_query_t *query)
\r
237 > + const search_options_t *opt)
\r
240 What about leaving out the *notmuch argument and getting that from the
\r
241 query (query->notmuch I think)?
\r
243 Otherwise this looks good to me.
\r
249 > notmuch_messages_t *messages = NULL;
\r
250 > notmuch_tags_t *tags;
\r
252 > + sprinter_t *format = opt->format;
\r
253 > + notmuch_query_t *query = opt->query;
\r
255 > /* should the following only special case if no excluded terms
\r
257 > @@ -333,16 +336,16 @@ int
\r
258 > notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
\r
260 > notmuch_database_t *notmuch;
\r
261 > - notmuch_query_t *query;
\r
262 > + search_options_t opt = {
\r
263 > + .sort = NOTMUCH_SORT_NEWEST_FIRST,
\r
264 > + .output = OUTPUT_SUMMARY,
\r
266 > + .limit = -1, /* unlimited */
\r
270 > - notmuch_sort_t sort = NOTMUCH_SORT_NEWEST_FIRST;
\r
271 > - sprinter_t *format = NULL;
\r
272 > int opt_index, ret;
\r
273 > - output_t output = OUTPUT_SUMMARY;
\r
274 > - int offset = 0;
\r
275 > - int limit = -1; /* unlimited */
\r
276 > notmuch_exclude_t exclude = NOTMUCH_EXCLUDE_TRUE;
\r
281 > @@ -353,7 +356,7 @@ notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
\r
282 > } format_sel = NOTMUCH_FORMAT_TEXT;
\r
284 > notmuch_opt_desc_t options[] = {
\r
285 > - { NOTMUCH_OPT_KEYWORD, &sort, "sort", 's',
\r
286 > + { NOTMUCH_OPT_KEYWORD, &opt.sort, "sort", 's',
\r
287 > (notmuch_keyword_t []){ { "oldest-first", NOTMUCH_SORT_OLDEST_FIRST },
\r
288 > { "newest-first", NOTMUCH_SORT_NEWEST_FIRST },
\r
290 > @@ -364,7 +367,7 @@ notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
\r
291 > { "text0", NOTMUCH_FORMAT_TEXT0 },
\r
293 > { NOTMUCH_OPT_INT, ¬much_format_version, "format-version", 0, 0 },
\r
294 > - { NOTMUCH_OPT_KEYWORD, &output, "output", 'o',
\r
295 > + { NOTMUCH_OPT_KEYWORD, &opt.output, "output", 'o',
\r
296 > (notmuch_keyword_t []){ { "summary", OUTPUT_SUMMARY },
\r
297 > { "threads", OUTPUT_THREADS },
\r
298 > { "messages", OUTPUT_MESSAGES },
\r
299 > @@ -377,9 +380,9 @@ notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
\r
300 > { "flag", NOTMUCH_EXCLUDE_FLAG },
\r
301 > { "all", NOTMUCH_EXCLUDE_ALL },
\r
303 > - { NOTMUCH_OPT_INT, &offset, "offset", 'O', 0 },
\r
304 > - { NOTMUCH_OPT_INT, &limit, "limit", 'L', 0 },
\r
305 > - { NOTMUCH_OPT_INT, &dupe, "duplicate", 'D', 0 },
\r
306 > + { NOTMUCH_OPT_INT, &opt.offset, "offset", 'O', 0 },
\r
307 > + { NOTMUCH_OPT_INT, &opt.limit, "limit", 'L', 0 },
\r
308 > + { NOTMUCH_OPT_INT, &opt.dupe, "duplicate", 'D', 0 },
\r
309 > { 0, 0, 0, 0, 0 }
\r
312 > @@ -389,20 +392,20 @@ notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
\r
314 > switch (format_sel) {
\r
315 > case NOTMUCH_FORMAT_TEXT:
\r
316 > - format = sprinter_text_create (config, stdout);
\r
317 > + opt.format = sprinter_text_create (config, stdout);
\r
319 > case NOTMUCH_FORMAT_TEXT0:
\r
320 > - if (output == OUTPUT_SUMMARY) {
\r
321 > + if (opt.output == OUTPUT_SUMMARY) {
\r
322 > fprintf (stderr, "Error: --format=text0 is not compatible with --output=summary.\n");
\r
323 > return EXIT_FAILURE;
\r
325 > - format = sprinter_text0_create (config, stdout);
\r
326 > + opt.format = sprinter_text0_create (config, stdout);
\r
328 > case NOTMUCH_FORMAT_JSON:
\r
329 > - format = sprinter_json_create (config, stdout);
\r
330 > + opt.format = sprinter_json_create (config, stdout);
\r
332 > case NOTMUCH_FORMAT_SEXP:
\r
333 > - format = sprinter_sexp_create (config, stdout);
\r
334 > + opt.format = sprinter_sexp_create (config, stdout);
\r
337 > /* this should never happen */
\r
338 > @@ -425,15 +428,15 @@ notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
\r
339 > return EXIT_FAILURE;
\r
342 > - query = notmuch_query_create (notmuch, query_str);
\r
343 > - if (query == NULL) {
\r
344 > + opt.query = notmuch_query_create (notmuch, query_str);
\r
345 > + if (opt.query == NULL) {
\r
346 > fprintf (stderr, "Out of memory\n");
\r
347 > return EXIT_FAILURE;
\r
350 > - notmuch_query_set_sort (query, sort);
\r
351 > + notmuch_query_set_sort (opt.query, opt.sort);
\r
353 > - if (exclude == NOTMUCH_EXCLUDE_FLAG && output != OUTPUT_SUMMARY) {
\r
354 > + if (exclude == NOTMUCH_EXCLUDE_FLAG && opt.output != OUTPUT_SUMMARY) {
\r
355 > /* If we are not doing summary output there is nowhere to
\r
356 > * print the excluded flag so fall back on including the
\r
357 > * excluded messages. */
\r
358 > @@ -448,29 +451,29 @@ notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
\r
359 > search_exclude_tags = notmuch_config_get_search_exclude_tags
\r
360 > (config, &search_exclude_tags_length);
\r
361 > for (i = 0; i < search_exclude_tags_length; i++)
\r
362 > - notmuch_query_add_tag_exclude (query, search_exclude_tags[i]);
\r
363 > - notmuch_query_set_omit_excluded (query, exclude);
\r
364 > + notmuch_query_add_tag_exclude (opt.query, search_exclude_tags[i]);
\r
365 > + notmuch_query_set_omit_excluded (opt.query, exclude);
\r
368 > - switch (output) {
\r
369 > + switch (opt.output) {
\r
371 > case OUTPUT_SUMMARY:
\r
372 > case OUTPUT_THREADS:
\r
373 > - ret = do_search_threads (format, query, sort, output, offset, limit);
\r
374 > + ret = do_search_threads (&opt);
\r
376 > case OUTPUT_MESSAGES:
\r
377 > case OUTPUT_FILES:
\r
378 > - ret = do_search_messages (format, query, output, offset, limit, dupe);
\r
379 > + ret = do_search_messages (&opt);
\r
381 > case OUTPUT_TAGS:
\r
382 > - ret = do_search_tags (notmuch, format, query);
\r
383 > + ret = do_search_tags (notmuch, &opt);
\r
387 > - notmuch_query_destroy (query);
\r
388 > + notmuch_query_destroy (opt.query);
\r
389 > notmuch_database_destroy (notmuch);
\r
391 > - talloc_free (format);
\r
392 > + talloc_free (opt.format);
\r
394 > return ret ? EXIT_FAILURE : EXIT_SUCCESS;
\r
399 > _______________________________________________
\r
400 > notmuch mailing list
\r
401 > notmuch@notmuchmail.org
\r
402 > http://notmuchmail.org/mailman/listinfo/notmuch
\r