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lib: add support for path: prefix searches

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The path: prefix is a literal boolean prefix matching the paths,
relative from the maildir root, of the message files.

path:foo matches all message files in foo (but not in foo/new or
foo/cur).

path:foo/new matches all message files in foo/new.

path:"" matches all message files in the top level maildir.

path:foo/** matches all message files in foo and recursively in all
subdirectories of foo.

path:** matches all message files recursively, i.e. all messages.
This commit is contained in:
Jani Nikula 2014-02-08 20:50:44 +02:00 committed by David Bremner
parent 4d150eba67
commit 59823f9642
2 changed files with 49 additions and 10 deletions
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7
lib/database.cc
View file

@ -100,8 +100,8 @@ typedef struct {
* In addition, terms from the content of the message are added with
* "from", "to", "attachment", and "subject" prefixes for use by the
* user in searching. Similarly, terms from the path of the mail
* message are added with a "folder" prefix. But the database doesn't
* really care itself about any of these.
* message are added with "folder" and "path" prefixes. But the
* database doesn't really care itself about any of these.
*
* The data portion of a mail document is empty.
*
@ -208,7 +208,8 @@ static prefix_t BOOLEAN_PREFIX_EXTERNAL[] = {
{ "thread", "G" },
{ "tag", "K" },
{ "is", "K" },
{ "id", "Q" }
{ "id", "Q" },
{ "path", "P" },
};
static prefix_t PROBABILISTIC_PREFIX[]= {

52
lib/message.cc
View file

@ -504,6 +504,40 @@ _notmuch_message_remove_terms (notmuch_message_t *message, const char *prefix)
}
}
#define RECURSIVE_SUFFIX "/**"
/* Add "path:" terms for directory. */
static notmuch_status_t
_notmuch_message_add_path_terms (notmuch_message_t *message,
const char *directory)
{
/* Add exact "path:" term. */
_notmuch_message_add_term (message, "path", directory);
if (strlen (directory)) {
char *path, *p;
path = talloc_asprintf (NULL, "%s%s", directory, RECURSIVE_SUFFIX);
if (! path)
return NOTMUCH_STATUS_OUT_OF_MEMORY;
/* Add recursive "path:" terms for directory and all parents. */
for (p = path + strlen (path) - 1; p > path; p--) {
if (*p == '/') {
strcpy (p, RECURSIVE_SUFFIX);
_notmuch_message_add_term (message, "path", path);
}
}
talloc_free (path);
}
/* Recursive all-matching path:** for consistency. */
_notmuch_message_add_term (message, "path", "**");
return NOTMUCH_STATUS_SUCCESS;
}
/* Add directory based terms for all filenames of the message. */
static notmuch_status_t
_notmuch_message_add_directory_terms (void *ctx, notmuch_message_t *message)
@ -538,6 +572,8 @@ _notmuch_message_add_directory_terms (void *ctx, notmuch_message_t *message)
directory_id);
if (strlen (directory))
_notmuch_message_gen_terms (message, "folder", directory);
_notmuch_message_add_path_terms (message, directory);
}
return status;
@ -577,6 +613,8 @@ _notmuch_message_add_filename (notmuch_message_t *message,
/* New terms allow user to search with folder: specification. */
_notmuch_message_gen_terms (message, "folder", directory);
_notmuch_message_add_path_terms (message, directory);
talloc_free (local);
return NOTMUCH_STATUS_SUCCESS;
@ -618,18 +656,18 @@ _notmuch_message_remove_filename (notmuch_message_t *message,
if (status)
return status;
/* Re-synchronize "folder:" terms for this message. This requires:
* 1. removing all "folder:" terms
* 2. removing all "folder:" stemmed terms
* 3. adding back terms for all remaining filenames of the message. */
/* Re-synchronize "folder:" and "path:" terms for this message. */
/* 1. removing all "folder:" terms */
/* Remove all "folder:" terms. */
_notmuch_message_remove_terms (message, folder_prefix);
/* 2. removing all "folder:" stemmed terms */
/* Remove all "folder:" stemmed terms. */
_notmuch_message_remove_terms (message, zfolder_prefix);
/* 3. adding back terms for all remaining filenames of the message. */
/* Remove all "path:" terms. */
_notmuch_message_remove_terms (message, _find_prefix ("path"));
/* Add back terms for all remaining filenames of the message. */
status = _notmuch_message_add_directory_terms (local, message);
talloc_free (local);