X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-search.c;h=93724dd2994422cfd0365eff0ebe7d9fe70bbe4d;hp=fc2baaa71aa91d1a574f0ec00e7094c28340ccba;hb=6dcb7592e32ed5140ea0c0357ce78d6a37af6066;hpb=bc0a873b18cd77572c53369e5899134102f93e5e

diff --git a/notmuch-search.c b/notmuch-search.c
index fc2baaa7..93724dd2 100644
--- a/notmuch-search.c
+++ b/notmuch-search.c
@@ -20,72 +20,301 @@
 
 #include "notmuch-client.h"
 
-/* If the user asks for more than this number of threads, then break
-   the results down into chunks so that results start appearing
-   quickly rather than the user having to wait until all results are
-   available before anything appears.
-
-   Since each subsequent chunk ends up having to re-do threading work
-   done by all previous chunks, we double the chunk size repeatedly
-   until all desired results have been returned.
-*/
-#define NOTMUCH_SEARCH_INITIAL_CHUNK_SIZE 100
-
-/* Do the actual search for a chunk of threads and display the results,
-   (returning the number of threads found in this chunk). */
+typedef enum {
+    OUTPUT_SUMMARY,
+    OUTPUT_THREADS,
+    OUTPUT_MESSAGES,
+    OUTPUT_TAGS
+} output_t;
+
+typedef struct search_format {
+    const char *results_start;
+    const char *item_start;
+    void (*item_id) (const void *ctx,
+		     const char *item_type,
+		     const char *item_id);
+    void (*thread_summary) (const void *ctx,
+			    const char *thread_id,
+			    const time_t date,
+			    const int matched,
+			    const int total,
+			    const char *authors,
+			    const char *subject);
+    const char *tag_start;
+    const char *tag;
+    const char *tag_sep;
+    const char *tag_end;
+    const char *item_sep;
+    const char *item_end;
+    const char *results_end;
+} search_format_t;
+
+static void
+format_item_id_text (const void *ctx,
+		     const char *item_type,
+		     const char *item_id);
+
+static void
+format_thread_text (const void *ctx,
+		    const char *thread_id,
+		    const time_t date,
+		    const int matched,
+		    const int total,
+		    const char *authors,
+		    const char *subject);
+static const search_format_t format_text = {
+    "",
+	"",
+	    format_item_id_text,
+	    format_thread_text,
+	    " (",
+		"%s", " ",
+	    ")", "\n",
+	"",
+    "\n",
+};
+
+static void
+format_item_id_json (const void *ctx,
+		     const char *item_type,
+		     const char *item_id);
+
+static void
+format_thread_json (const void *ctx,
+		    const char *thread_id,
+		    const time_t date,
+		    const int matched,
+		    const int total,
+		    const char *authors,
+		    const char *subject);
+static const search_format_t format_json = {
+    "[",
+	"{",
+	    format_item_id_json,
+	    format_thread_json,
+	    "\"tags\": [",
+		"\"%s\"", ", ",
+	    "]", ",\n",
+	"}",
+    "]\n",
+};
+
+static void
+format_item_id_text (unused (const void *ctx),
+		     const char *item_type,
+		     const char *item_id)
+{
+    printf ("%s%s", item_type, item_id);
+}
+
+static void
+format_thread_text (const void *ctx,
+		    const char *thread_id,
+		    const time_t date,
+		    const int matched,
+		    const int total,
+		    const char *authors,
+		    const char *subject)
+{
+    printf ("thread:%s %12s [%d/%d] %s; %s",
+	    thread_id,
+	    notmuch_time_relative_date (ctx, date),
+	    matched,
+	    total,
+	    authors,
+	    subject);
+}
+
+static void
+format_item_id_json (const void *ctx,
+		     unused (const char *item_type),
+		     const char *item_id)
+{
+    void *ctx_quote = talloc_new (ctx);
+
+    printf ("%s", json_quote_str (ctx_quote, item_id));
+
+    talloc_free (ctx_quote);
+    
+}
+
+static void
+format_thread_json (const void *ctx,
+		    const char *thread_id,
+		    const time_t date,
+		    const int matched,
+		    const int total,
+		    const char *authors,
+		    const char *subject)
+{
+    void *ctx_quote = talloc_new (ctx);
+
+    printf ("\"thread\": %s,\n"
+	    "\"timestamp\": %ld,\n"
+	    "\"matched\": %d,\n"
+	    "\"total\": %d,\n"
+	    "\"authors\": %s,\n"
+	    "\"subject\": %s,\n",
+	    json_quote_str (ctx_quote, thread_id),
+	    date,
+	    matched,
+	    total,
+	    json_quote_str (ctx_quote, authors),
+	    json_quote_str (ctx_quote, subject));
+
+    talloc_free (ctx_quote);
+}
+
 static int
 do_search_threads (const void *ctx,
+		   const search_format_t *format,
 		   notmuch_query_t *query,
 		   notmuch_sort_t sort,
-		   int first, int max_threads)
+		   output_t output)
 {
     notmuch_thread_t *thread;
     notmuch_threads_t *threads;
     notmuch_tags_t *tags;
     time_t date;
-    const char *relative_date;
-    int num_threads = 0;
+    int first_thread = 1;
 
-    for (threads = notmuch_query_search_threads (query, first, max_threads);
-	 notmuch_threads_has_more (threads);
-	 notmuch_threads_advance (threads))
+    threads = notmuch_query_search_threads (query);
+    if (threads == NULL)
+	return 1;
+
+    for (;
+	 notmuch_threads_valid (threads);
+	 notmuch_threads_move_to_next (threads))
     {
 	int first_tag = 1;
 
+	if (! first_thread)
+	    fputs (format->item_sep, stdout);
+
 	thread = notmuch_threads_get (threads);
-	num_threads++;
-
-	if (sort == NOTMUCH_SORT_OLDEST_FIRST)
-	    date = notmuch_thread_get_oldest_date (thread);
-	else
-	    date = notmuch_thread_get_newest_date (thread);
-
-	relative_date = notmuch_time_relative_date (ctx, date);
-
-	printf ("thread:%s %12s [%d/%d] %s; %s",
-		notmuch_thread_get_thread_id (thread),
-		relative_date,
-		notmuch_thread_get_matched_messages (thread),
-		notmuch_thread_get_total_messages (thread),
-		notmuch_thread_get_authors (thread),
-		notmuch_thread_get_subject (thread));
-
-	printf (" (");
-	for (tags = notmuch_thread_get_tags (thread);
-	     notmuch_tags_has_more (tags);
-	     notmuch_tags_advance (tags))
-	{
-	    if (! first_tag)
-		printf (" ");
-	    printf ("%s", notmuch_tags_get (tags));
-	    first_tag = 0;
+
+	if (output == OUTPUT_THREADS) {
+	    format->item_id (ctx, "thread:",
+			     notmuch_thread_get_thread_id (thread));
+	} else { /* output == OUTPUT_SUMMARY */
+	    fputs (format->item_start, stdout);
+
+	    if (sort == NOTMUCH_SORT_OLDEST_FIRST)
+		date = notmuch_thread_get_oldest_date (thread);
+	    else
+		date = notmuch_thread_get_newest_date (thread);
+
+	    format->thread_summary (ctx,
+				    notmuch_thread_get_thread_id (thread),
+				    date,
+				    notmuch_thread_get_matched_messages (thread),
+				    notmuch_thread_get_total_messages (thread),
+				    notmuch_thread_get_authors (thread),
+				    notmuch_thread_get_subject (thread));
+
+	    fputs (format->tag_start, stdout);
+
+	    for (tags = notmuch_thread_get_tags (thread);
+		 notmuch_tags_valid (tags);
+		 notmuch_tags_move_to_next (tags))
+	    {
+		if (! first_tag)
+		    fputs (format->tag_sep, stdout);
+		printf (format->tag, notmuch_tags_get (tags));
+		first_tag = 0;
+	    }
+
+	    fputs (format->tag_end, stdout);
+
+	    fputs (format->item_end, stdout);
 	}
-	printf (")\n");
+
+	first_thread = 0;
 
 	notmuch_thread_destroy (thread);
     }
 
-    return num_threads;
+    return 0;
+}
+
+static int
+do_search_messages (const void *ctx,
+		    const search_format_t *format,
+		    notmuch_query_t *query)
+{
+    notmuch_message_t *message;
+    notmuch_messages_t *messages;
+    int first_message = 1;
+
+    messages = notmuch_query_search_messages (query);
+    if (messages == NULL)
+	return 1;
+
+    for (;
+	 notmuch_messages_valid (messages);
+	 notmuch_messages_move_to_next (messages))
+    {
+	message = notmuch_messages_get (messages);
+
+	if (! first_message)
+	    fputs (format->item_sep, stdout);
+
+	format->item_id (ctx, "id:", notmuch_message_get_message_id (message));
+
+	first_message = 0;
+
+	notmuch_message_destroy (message);
+    }
+
+    notmuch_messages_destroy (messages);
+
+    return 0;
+}
+
+static int
+do_search_tags (const void *ctx,
+		notmuch_database_t *notmuch,
+		const search_format_t *format,
+		notmuch_query_t *query)
+{
+    notmuch_messages_t *messages = NULL;
+    notmuch_tags_t *tags;
+    const char *tag;
+    int first_tag = 1;
+
+    /* Special-case query of "*" for better performance. */
+    if (strcmp (notmuch_query_get_query_string (query), "*") == 0) {
+	tags = notmuch_database_get_all_tags (notmuch);
+    } else {
+	messages = notmuch_query_search_messages (query);
+	if (messages == NULL)
+	    return 1;
+
+	tags = notmuch_messages_collect_tags (messages);
+    }
+    if (tags == NULL)
+	return 1;
+
+    for (;
+	 notmuch_tags_valid (tags);
+	 notmuch_tags_move_to_next (tags))
+    {
+	tag = notmuch_tags_get (tags);
+
+	if (! first_tag)
+	    fputs (format->item_sep, stdout);
+
+	format->item_id (ctx, "", tag);
+
+	first_tag = 0;
+    }
+
+    notmuch_tags_destroy (tags);
+
+    if (messages)
+	notmuch_messages_destroy (messages);
+
+    return 0;
 }
 
 int
@@ -95,32 +324,18 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
     notmuch_database_t *notmuch;
     notmuch_query_t *query;
     char *query_str;
-    int i, first = 0, max_threads = -1;
-    char *opt, *end;
+    char *opt;
     notmuch_sort_t sort = NOTMUCH_SORT_NEWEST_FIRST;
-    int chunk_size;
-    int threads_in_chunk;
+    const search_format_t *format = &format_text;
+    int i, ret;
+    output_t output = OUTPUT_SUMMARY;
 
     for (i = 0; i < argc && argv[i][0] == '-'; i++) {
 	if (strcmp (argv[i], "--") == 0) {
 	    i++;
 	    break;
 	}
-	if (STRNCMP_LITERAL (argv[i], "--first=") == 0) {
-	    opt = argv[i] + sizeof ("--first=") - 1;
-	    first = strtoul (opt, &end, 10);
-	    if (*opt == '\0' || *end != '\0') {
-		fprintf (stderr, "Invalid value for --first: %s\n", opt);
-		return 1;
-	    }
-	} else if (STRNCMP_LITERAL (argv[i], "--max-threads=") == 0) {
-	    opt = argv[i] + sizeof ("--max-threads=") - 1;
-	    max_threads = strtoul (opt, &end, 10);
-	    if (*opt == '\0' || *end != '\0') {
-		fprintf (stderr, "Invalid value for --max-threads: %s\n", opt);
-		return 1;
-	    }
-	} else if (STRNCMP_LITERAL (argv[i], "--sort=") == 0) {
+        if (STRNCMP_LITERAL (argv[i], "--sort=") == 0) {
 	    opt = argv[i] + sizeof ("--sort=") - 1;
 	    if (strcmp (opt, "oldest-first") == 0) {
 		sort = NOTMUCH_SORT_OLDEST_FIRST;
@@ -130,6 +345,30 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
 		fprintf (stderr, "Invalid value for --sort: %s\n", opt);
 		return 1;
 	    }
+	} else if (STRNCMP_LITERAL (argv[i], "--format=") == 0) {
+	    opt = argv[i] + sizeof ("--format=") - 1;
+	    if (strcmp (opt, "text") == 0) {
+		format = &format_text;
+	    } else if (strcmp (opt, "json") == 0) {
+		format = &format_json;
+	    } else {
+		fprintf (stderr, "Invalid value for --format: %s\n", opt);
+		return 1;
+	    }
+	} else if (STRNCMP_LITERAL (argv[i], "--output=") == 0) {
+	    opt = argv[i] + sizeof ("--output=") - 1;
+	    if (strcmp (opt, "summary") == 0) {
+		output = OUTPUT_SUMMARY;
+	    } else if (strcmp (opt, "threads") == 0) {
+		output = OUTPUT_THREADS;
+	    } else if (strcmp (opt, "messages") == 0) {
+		output = OUTPUT_MESSAGES;
+	    } else if (strcmp (opt, "tags") == 0) {
+		output = OUTPUT_TAGS;
+	    } else {
+		fprintf (stderr, "Invalid value for --output: %s\n", opt);
+		return 1;
+	    }
 	} else {
 	    fprintf (stderr, "Unrecognized option: %s\n", argv[i]);
 	    return 1;
@@ -166,28 +405,26 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
 
     notmuch_query_set_sort (query, sort);
 
-    /* If we receive a max-threads option, then the user is
-       responsible for any chunking and we return all results at
-       once. */
-    if (max_threads < 0)
-	chunk_size = NOTMUCH_SEARCH_INITIAL_CHUNK_SIZE;
-    else
-	chunk_size = max_threads;
-
-    do {
-	threads_in_chunk = do_search_threads (ctx, query, sort,
-					      first, chunk_size);
-	if (chunk_size == max_threads)
-	    break;
-
-	first += chunk_size;
+    fputs (format->results_start, stdout);
 
-	chunk_size *= 2;
+    switch (output) {
+    default:
+    case OUTPUT_SUMMARY:
+    case OUTPUT_THREADS:
+	ret = do_search_threads (ctx, format, query, sort, output);
+	break;
+    case OUTPUT_MESSAGES:
+	ret = do_search_messages (ctx, format, query);
+	break;
+    case OUTPUT_TAGS:
+	ret = do_search_tags (ctx, notmuch, format, query);
+	break;
+    }
 
-    } while (threads_in_chunk);
+    fputs (format->results_end, stdout);
 
     notmuch_query_destroy (query);
     notmuch_database_close (notmuch);
 
-    return 0;
+    return ret;
 }