Clean up comments to not include spaces before tabs.

[notmuch] / notmuch.c

diff --git a/notmuch.c b/notmuch.c
index d76425213dba3ffc6d76f4da66081d19e503887c..279d21a58013be7cff1e5547d42addd35034e3f8 100644 (file)
--- a/notmuch.c
+++ b/notmuch.c
@@ -18,17 +18,21 @@
  * Author: Carl Worth <cworth@cworth.org>
  */
 
-#include "notmuch.h"
-
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE /* for getline */
 #endif
-
 #include <stdio.h>
-#include <stdlib.h>
+
+#include "notmuch.h"
+
+/* This is separate from notmuch-private.h because we're trying to
+ * keep notmuch.c from looking into any internals, (which helps us
+ * develop notmuch.h into a plausible library interface).
+ */
+#include "xutil.h"
+
 #include <stddef.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <unistd.h>
@@ -55,6 +59,13 @@ typedef struct {
     struct timeval tv_start;
 } add_files_state_t;
 
+static void
+chomp_newline (char *str)
+{
+    if (str && str[strlen(str)-1] == '\n')
+       str[strlen(str)-1] = '\0';
+}
+
 /* Compute the number of seconds elapsed from start to end. */
 double
 tv_elapsed (struct timeval start, struct timeval end)
@@ -289,13 +300,9 @@ setup_command (int argc, char *argv[])
 
     mail_directory = NULL;
     getline (&mail_directory, &line_size, stdin);
-    printf ("\n");
+    chomp_newline (mail_directory);
 
-    if (mail_directory &&
-       mail_directory[strlen(mail_directory)-1] == '\n')
-    {
-       mail_directory[strlen(mail_directory)-1] = '\0';
-    }
+    printf ("\n");
 
     if (mail_directory == NULL || strlen (mail_directory) == 0) {
        if (mail_directory)
@@ -448,8 +455,107 @@ dump_command (int argc, char *argv[])
 int
 restore_command (int argc, char *argv[])
 {
-    fprintf (stderr, "Error: restore is not implemented yet.\n");
-    return 1;
+    FILE *input;
+    notmuch_database_t *notmuch = NULL;
+    char *line = NULL;
+    size_t line_size, line_len;
+    regex_t regex;
+    int rerr;
+    int ret = 0;
+
+    if (argc) {
+       input = fopen (argv[0], "r");
+       if (input == NULL) {
+           fprintf (stderr, "Error opening %s for reading: %s\n",
+                    argv[0], strerror (errno));
+           ret = 1;
+           goto DONE;
+       }
+    } else {
+       printf ("No filename given. Reading dump from stdin.\n");
+       input = stdin;
+    }
+
+    notmuch = notmuch_database_open (NULL);
+    if (notmuch == NULL) {
+       ret = 1;
+       goto DONE;
+    }
+
+    /* Dump output is one line per message. We match a sequence of
+     * non-space characters for the message-id, then one or more
+     * spaces, then a list of space-separated tags as a sequence of
+     * characters within literal '(' and ')'. */
+    xregcomp (&regex,
+             "^([^ ]+) \\(([^)]*)\\)$",
+             REG_EXTENDED);
+
+    while ((line_len = getline (&line, &line_size, input)) != -1) {
+       regmatch_t match[3];
+       char *message_id, *tags, *tag, *next;
+       notmuch_message_t *message;
+       notmuch_status_t status;
+
+       chomp_newline (line);
+
+       rerr = xregexec (&regex, line, 3, match, 0);
+       if (rerr == REG_NOMATCH)
+       {
+           fprintf (stderr, "Warning: Ignoring invalid input line: %s\n",
+                    line);
+           continue;
+       }
+
+       message_id = xstrndup (line + match[1].rm_so,
+                              match[1].rm_eo - match[1].rm_so);
+       tags = xstrndup (line + match[2].rm_so,
+                        match[2].rm_eo - match[2].rm_so);
+
+       if (strlen (tags)) {
+
+           message = notmuch_database_find_message (notmuch, message_id);
+           if (message == NULL) {
+               fprintf (stderr, "Warning: Cannot apply tags to missing message: %s (",
+                        message_id);
+           }
+
+           next = tags;
+           while (next) {
+               tag = strsep (&next, " ");
+               if (*tag == '\0')
+                   continue;
+               if (message) {
+                   status = notmuch_message_add_tag (message, tag);
+                   if (status) {
+                       fprintf (stderr,
+                                "Error applying tag %s to message %s:\n",
+                                tag, message_id);
+                       fprintf (stderr, "%s\n",
+                                notmuch_status_to_string (status));
+                   }
+               } else {
+                   fprintf (stderr, "%s ", tag);
+               }
+           }
+
+           if (message)
+               notmuch_message_destroy (message);
+           else
+               fprintf (stderr, ")\n");
+       }
+       free (message_id);
+       free (tags);
+    }
+
+    regfree (&regex);
+
+  DONE:
+    if (line)
+       free (line);
+    if (notmuch)
+       notmuch_database_close (notmuch);
+
+    return ret;
 }
 
 command_t commands[] = {