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CLI: refactor dumping of tags.

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This is mainly code movement, to make room in the loop over messages for
dumping properties.
This commit is contained in:
David Bremner 2016-06-12 22:05:53 -03:00
parent 58fe8fce1d
commit f240528095
1 changed files with 69 additions and 58 deletions
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125
notmuch-dump.c
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@ -77,6 +77,69 @@ print_dump_header (gzFile output, int output_format, int include)
(include & DUMP_INCLUDE_TAGS) ? "tags" : "");
}
static int
dump_tags_message (void *ctx,
notmuch_message_t *message, int output_format,
gzFile output,
char **buffer_p, size_t *size_p)
{
int first = 1;
const char *message_id;
message_id = notmuch_message_get_message_id (message);
if (output_format == DUMP_FORMAT_BATCH_TAG &&
strchr (message_id, '\n')) {
/* This will produce a line break in the output, which
* would be difficult to handle in tools. However, it's
* also impossible to produce an email containing a line
* break in a message ID because of unfolding, so we can
* safely disallow it. */
fprintf (stderr, "Warning: skipping message id containing line break: \"%s\"\n", message_id);
return EXIT_SUCCESS;
}
if (output_format == DUMP_FORMAT_SUP) {
gzprintf (output, "%s (", message_id);
}
for (notmuch_tags_t *tags = notmuch_message_get_tags (message);
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags)) {
const char *tag_str = notmuch_tags_get (tags);
if (! first)
gzputs (output, " ");
first = 0;
if (output_format == DUMP_FORMAT_SUP) {
gzputs (output, tag_str);
} else {
if (hex_encode (ctx, tag_str,
buffer_p, size_p) != HEX_SUCCESS) {
fprintf (stderr, "Error: failed to hex-encode tag %s\n",
tag_str);
return EXIT_FAILURE;
}
gzprintf (output, "+%s", *buffer_p);
}
}
if (output_format == DUMP_FORMAT_SUP) {
gzputs (output, ")\n");
} else {
if (make_boolean_term (ctx, "id", message_id,
buffer_p, size_p)) {
fprintf (stderr, "Error quoting message id %s: %s\n",
message_id, strerror (errno));
return EXIT_FAILURE;
}
gzprintf (output, " -- %s\n", *buffer_p);
}
return EXIT_SUCCESS;
}
static int
database_dump_file (notmuch_database_t *notmuch, gzFile output,
const char *query_str, int output_format, int include)
@ -84,7 +147,9 @@ database_dump_file (notmuch_database_t *notmuch, gzFile output,
notmuch_query_t *query;
notmuch_messages_t *messages;
notmuch_message_t *message;
notmuch_tags_t *tags;
notmuch_status_t status;
char *buffer = NULL;
size_t buffer_size = 0;
print_dump_header (output, output_format, include);
@ -110,10 +175,6 @@ database_dump_file (notmuch_database_t *notmuch, gzFile output,
*/
notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);
char *buffer = NULL;
size_t buffer_size = 0;
notmuch_status_t status;
status = notmuch_query_search_messages_st (query, &messages);
if (print_status_query ("notmuch dump", query, status))
return EXIT_FAILURE;
@ -121,62 +182,12 @@ database_dump_file (notmuch_database_t *notmuch, gzFile output,
for (;
notmuch_messages_valid (messages);
notmuch_messages_move_to_next (messages)) {
int first = 1;
const char *message_id;
message = notmuch_messages_get (messages);
message_id = notmuch_message_get_message_id (message);
if (output_format == DUMP_FORMAT_BATCH_TAG &&
strchr (message_id, '\n')) {
/* This will produce a line break in the output, which
* would be difficult to handle in tools. However, it's
* also impossible to produce an email containing a line
* break in a message ID because of unfolding, so we can
* safely disallow it. */
fprintf (stderr, "Warning: skipping message id containing line break: \"%s\"\n", message_id);
notmuch_message_destroy (message);
continue;
}
if (output_format == DUMP_FORMAT_SUP) {
gzprintf (output, "%s (", message_id);
}
for (tags = notmuch_message_get_tags (message);
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags)) {
const char *tag_str = notmuch_tags_get (tags);
if (! first)
gzputs (output, " ");
first = 0;
if (output_format == DUMP_FORMAT_SUP) {
gzputs (output, tag_str);
} else {
if (hex_encode (notmuch, tag_str,
&buffer, &buffer_size) != HEX_SUCCESS) {
fprintf (stderr, "Error: failed to hex-encode tag %s\n",
tag_str);
if (dump_tags_message (notmuch, message, output_format, output,
&buffer, &buffer_size))
return EXIT_FAILURE;
}
gzprintf (output, "+%s", buffer);
}
}
if (output_format == DUMP_FORMAT_SUP) {
gzputs (output, ")\n");
} else {
if (make_boolean_term (notmuch, "id", message_id,
&buffer, &buffer_size)) {
fprintf (stderr, "Error quoting message id %s: %s\n",
message_id, strerror (errno));
return EXIT_FAILURE;
}
gzprintf (output, " -- %s\n", buffer);
}
notmuch_message_destroy (message);
}