cli/count: update to use notmuch_query_search_messages_st

[notmuch] / notmuch-count.c

diff --git a/notmuch-count.c b/notmuch-count.c
index 8772cff80aa2b3f8079181c8ca7a06fede37488b..09613e6ad8d96a6170b2c7ed2337593e4aa802f1 100644 (file)
--- a/notmuch-count.c
+++ b/notmuch-count.c
@@ -24,6 +24,7 @@
 enum {
     OUTPUT_THREADS,
     OUTPUT_MESSAGES,
+    OUTPUT_FILES,
 };
 
 /* The following is to allow future options to be added more easily */
@@ -32,12 +33,50 @@ enum {
     EXCLUDE_FALSE,
 };
 
+/* Return the number of files matching the query, or -1 for an error */
+static int
+count_files (notmuch_query_t *query)
+{
+    notmuch_messages_t *messages;
+    notmuch_message_t *message;
+    notmuch_filenames_t *filenames;
+    notmuch_status_t status;
+    int count = 0;
+
+    status = notmuch_query_search_messages_st (query, &messages);
+    if (print_status_query ("notmuch count", query, status))
+       return -1;
+
+    for (;
+        notmuch_messages_valid (messages);
+        notmuch_messages_move_to_next (messages)) {
+       message = notmuch_messages_get (messages);
+       filenames = notmuch_message_get_filenames (message);
+
+       for (;
+            notmuch_filenames_valid (filenames);
+            notmuch_filenames_move_to_next (filenames))
+           count++;
+
+       notmuch_filenames_destroy (filenames);
+       notmuch_message_destroy (message);
+    }
+
+    notmuch_messages_destroy (messages);
+
+    return count;
+}
+
 static int
 print_count (notmuch_database_t *notmuch, const char *query_str,
-            const char **exclude_tags, size_t exclude_tags_length, int output)
+            const char **exclude_tags, size_t exclude_tags_length, int output, int print_lastmod)
 {
     notmuch_query_t *query;
     size_t i;
+    int count;
+    unsigned long revision;
+    const char *uuid;
+    int ret = 0;
 
     query = notmuch_query_create (notmuch, query_str);
     if (query == NULL) {
@@ -50,31 +89,48 @@ print_count (notmuch_database_t *notmuch, const char *query_str,
 
     switch (output) {
     case OUTPUT_MESSAGES:
-       printf ("%u\n", notmuch_query_count_messages (query));
+       printf ("%u", notmuch_query_count_messages (query));
        break;
     case OUTPUT_THREADS:
-       printf ("%u\n", notmuch_query_count_threads (query));
+       printf ("%u", notmuch_query_count_threads (query));
+       break;
+    case OUTPUT_FILES:
+       count = count_files (query);
+       if (count >= 0) {
+           printf ("%u", count);
+       } else {
+           ret = -1;
+           goto DONE;
+       }
        break;
     }
 
+    if (print_lastmod) {
+       revision = notmuch_database_get_revision (notmuch, &uuid);
+       printf ("\t%s\t%lu\n", uuid, revision);
+    } else {
+       fputs ("\n", stdout);
+    }
+
+  DONE:
     notmuch_query_destroy (query);
 
-    return 0;
+    return ret;
 }
 
 static int
 count_file (notmuch_database_t *notmuch, FILE *input, const char **exclude_tags,
-           size_t exclude_tags_length, int output)
+           size_t exclude_tags_length, int output, int print_lastmod)
 {
     char *line = NULL;
     ssize_t line_len;
     size_t line_size;
     int ret = 0;
 
-    while (!ret && (line_len = getline (&line, &line_size, input)) != -1) {
+    while (! ret && (line_len = getline (&line, &line_size, input)) != -1) {
        chomp_newline (line);
        ret = print_count (notmuch, line, exclude_tags, exclude_tags_length,
-                          output);
+                          output, print_lastmod);
     }
 
     if (line)
@@ -94,6 +150,7 @@ notmuch_count_command (notmuch_config_t *config, int argc, char *argv[])
     const char **search_exclude_tags = NULL;
     size_t search_exclude_tags_length = 0;
     notmuch_bool_t batch = FALSE;
+    notmuch_bool_t print_lastmod = FALSE;
     FILE *input = stdin;
     char *input_file_name = NULL;
     int ret;
@@ -102,21 +159,24 @@ notmuch_count_command (notmuch_config_t *config, int argc, char *argv[])
        { NOTMUCH_OPT_KEYWORD, &output, "output", 'o',
          (notmuch_keyword_t []){ { "threads", OUTPUT_THREADS },
                                  { "messages", OUTPUT_MESSAGES },
+                                 { "files", OUTPUT_FILES },
                                  { 0, 0 } } },
        { NOTMUCH_OPT_KEYWORD, &exclude, "exclude", 'x',
          (notmuch_keyword_t []){ { "true", EXCLUDE_TRUE },
                                  { "false", EXCLUDE_FALSE },
                                  { 0, 0 } } },
+       { NOTMUCH_OPT_BOOLEAN, &print_lastmod, "lastmod", 'l', 0 },
        { NOTMUCH_OPT_BOOLEAN, &batch, "batch", 0, 0 },
        { NOTMUCH_OPT_STRING, &input_file_name, "input", 'i', 0 },
+       { NOTMUCH_OPT_INHERIT, (void *) &notmuch_shared_options, NULL, 0, 0 },
        { 0, 0, 0, 0, 0 }
     };
 
     opt_index = parse_arguments (argc, argv, options, 1);
+    if (opt_index < 0)
+       return EXIT_FAILURE;
 
-    if (opt_index < 0) {
-       return 1;
-    }
+    notmuch_process_shared_options (argv[0]);
 
     if (input_file_name) {
        batch = TRUE;
@@ -124,23 +184,25 @@ notmuch_count_command (notmuch_config_t *config, int argc, char *argv[])
        if (input == NULL) {
            fprintf (stderr, "Error opening %s for reading: %s\n",
                     input_file_name, strerror (errno));
-           return 1;
+           return EXIT_FAILURE;
        }
     }
 
     if (batch && opt_index != argc) {
        fprintf (stderr, "--batch and query string are not compatible\n");
-       return 1;
+       return EXIT_FAILURE;
     }
 
     if (notmuch_database_open (notmuch_config_get_database_path (config),
                               NOTMUCH_DATABASE_MODE_READ_ONLY, &notmuch))
-       return 1;
+       return EXIT_FAILURE;
+
+    notmuch_exit_if_unmatched_db_uuid (notmuch);
 
-    query_str = query_string_from_args (config, argc-opt_index, argv+opt_index);
+    query_str = query_string_from_args (config, argc - opt_index, argv + opt_index);
     if (query_str == NULL) {
        fprintf (stderr, "Out of memory.\n");
-       return 1;
+       return EXIT_FAILURE;
     }
 
     if (exclude == EXCLUDE_TRUE) {
@@ -150,15 +212,15 @@ notmuch_count_command (notmuch_config_t *config, int argc, char *argv[])
 
     if (batch)
        ret = count_file (notmuch, input, search_exclude_tags,
-                         search_exclude_tags_length, output);
+                         search_exclude_tags_length, output, print_lastmod);
     else
        ret = print_count (notmuch, query_str, search_exclude_tags,
-                          search_exclude_tags_length, output);
+                          search_exclude_tags_length, output, print_lastmod);
 
     notmuch_database_destroy (notmuch);
 
     if (input != stdin)
        fclose (input);
 
-    return ret;
+    return ret ? EXIT_FAILURE : EXIT_SUCCESS;
 }