mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-12-12 12:34:53 +01:00
8aeba1228a
This is the result of running
$ uncrustify --replace --config ../devel/uncrustify.cfg *.c *.h *.cc
in the lib directory
114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
#include "database-private.h"
|
|
|
|
static const struct {
|
|
/* NOTMUCH_FEATURE_* value. */
|
|
_notmuch_features value;
|
|
/* Feature name as it appears in the database. This name should
|
|
* be appropriate for displaying to the user if an older version
|
|
* of notmuch doesn't support this feature. */
|
|
const char *name;
|
|
/* Compatibility flags when this feature is declared. */
|
|
const char *flags;
|
|
} feature_names[] = {
|
|
{ NOTMUCH_FEATURE_FILE_TERMS,
|
|
"multiple paths per message", "rw" },
|
|
{ NOTMUCH_FEATURE_DIRECTORY_DOCS,
|
|
"relative directory paths", "rw" },
|
|
/* Header values are not required for reading a database because a
|
|
* reader can just refer to the message file. */
|
|
{ NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES,
|
|
"from/subject/message-ID in database", "w" },
|
|
{ NOTMUCH_FEATURE_BOOL_FOLDER,
|
|
"exact folder:/path: search", "rw" },
|
|
{ NOTMUCH_FEATURE_GHOSTS,
|
|
"mail documents for missing messages", "w" },
|
|
/* Knowledge of the index mime-types are not required for reading
|
|
* a database because a reader will just be unable to query
|
|
* them. */
|
|
{ NOTMUCH_FEATURE_INDEXED_MIMETYPES,
|
|
"indexed MIME types", "w" },
|
|
{ NOTMUCH_FEATURE_LAST_MOD,
|
|
"modification tracking", "w" },
|
|
/* Existing databases will work fine for all queries not involving
|
|
* 'body:' */
|
|
{ NOTMUCH_FEATURE_UNPREFIX_BODY_ONLY,
|
|
"index body and headers separately", "w" },
|
|
};
|
|
|
|
char *
|
|
_notmuch_database_print_features (const void *ctx, unsigned int features)
|
|
{
|
|
unsigned int i;
|
|
char *res = talloc_strdup (ctx, "");
|
|
|
|
for (i = 0; i < ARRAY_SIZE (feature_names); ++i)
|
|
if (features & feature_names[i].value)
|
|
res = talloc_asprintf_append_buffer (
|
|
res, "%s\t%s\n", feature_names[i].name, feature_names[i].flags);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
/* Parse a database features string from the given database version.
|
|
* Returns the feature bit set.
|
|
*
|
|
* For version < 3, this ignores the features string and returns a
|
|
* hard-coded set of features.
|
|
*
|
|
* If there are unrecognized features that are required to open the
|
|
* database in mode (which should be 'r' or 'w'), return a
|
|
* comma-separated list of unrecognized but required features in
|
|
* *incompat_out suitable for presenting to the user. *incompat_out
|
|
* will be allocated from ctx.
|
|
*/
|
|
_notmuch_features
|
|
_notmuch_database_parse_features (const void *ctx, const char *features, unsigned int version,
|
|
char mode, char **incompat_out)
|
|
{
|
|
_notmuch_features res = static_cast<_notmuch_features>(0);
|
|
unsigned int namelen, i;
|
|
size_t llen = 0;
|
|
const char *flags;
|
|
|
|
/* Prior to database version 3, features were implied by the
|
|
* version number. */
|
|
if (version == 0)
|
|
return NOTMUCH_FEATURES_V0;
|
|
else if (version == 1)
|
|
return NOTMUCH_FEATURES_V1;
|
|
else if (version == 2)
|
|
return NOTMUCH_FEATURES_V2;
|
|
|
|
/* Parse the features string */
|
|
while ((features = strtok_len_c (features + llen, "\n", &llen)) != NULL) {
|
|
flags = strchr (features, '\t');
|
|
if (! flags || flags > features + llen)
|
|
continue;
|
|
namelen = flags - features;
|
|
|
|
for (i = 0; i < ARRAY_SIZE (feature_names); ++i) {
|
|
if (strlen (feature_names[i].name) == namelen &&
|
|
strncmp (feature_names[i].name, features, namelen) == 0) {
|
|
res |= feature_names[i].value;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == ARRAY_SIZE (feature_names) && incompat_out) {
|
|
/* Unrecognized feature */
|
|
const char *have = strchr (flags, mode);
|
|
if (have && have < features + llen) {
|
|
/* This feature is required to access this database in
|
|
* 'mode', but we don't understand it. */
|
|
if (! *incompat_out)
|
|
*incompat_out = talloc_strdup (ctx, "");
|
|
*incompat_out = talloc_asprintf_append_buffer (
|
|
*incompat_out, "%s%.*s", **incompat_out ? ", " : "",
|
|
namelen, features);
|
|
}
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|