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Add notmuch_message_get_filename

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This is a new public function to find the filename of the original
email message for a message-object that was found in the database.

We may change this function in the future to support returning a
list of filenames, (for messages with duplicate message IDs).
This commit is contained in:
Carl Worth 2009-10-23 05:38:13 -07:00
parent 31044d10ed
commit 868d3b3068
2 changed files with 23 additions and 0 deletions
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16
message.cc
View file

@ -27,6 +27,7 @@ struct _notmuch_message {
notmuch_database_t *notmuch;
Xapian::docid doc_id;
char *message_id;
char *filename;
Xapian::Document doc;
};
@ -121,6 +122,7 @@ _notmuch_message_create (const void *talloc_owner,
message->notmuch = notmuch;
message->doc_id = doc_id;
message->message_id = NULL; /* lazily created */
message->filename = NULL; /* lazily created */
new (&message->doc) Xapian::Document;
talloc_set_destructor (message, _notmuch_message_destructor);
@ -150,6 +152,20 @@ notmuch_message_get_message_id (notmuch_message_t *message)
return message->message_id;
}
const char *
notmuch_message_get_filename (notmuch_message_t *message)
{
std::string filename_str;
if (message->filename)
return message->filename;
filename_str = message->doc.get_data ();
message->filename = talloc_strdup (message, filename_str.c_str ());
return message->filename;
}
/* We end up having to call the destructors explicitly because we had
* to use "placement new" in order to initialize C++ objects within a
* block that we allocated with talloc. So C++ is making talloc

7
notmuch.h
View file

@ -342,6 +342,13 @@ notmuch_results_destroy (notmuch_results_t *results);
const char *
notmuch_message_get_message_id (notmuch_message_t *message);
/* Get this filename for the email corresponding to 'message'.
*
* The returned filename is relative to the base of the database from
* which 'message' was obtained. See notmuch_database_get_path() .*/
const char *
notmuch_message_get_filename (notmuch_message_t *message);
/* Get the tags for 'message', returning a notmuch_tags_t object which
* can be used to iterate over all tags.
*