* refactoring: merge mu-msg-file with mu-maildir
This commit is contained in:
Dirk-Jan C. Binnema
@ -16,267 +16,3 @@
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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/* hopefully, the should get us a sane PATH_MAX */
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#include <limits.h>
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/* not all systems provide PATH_MAX in limits.h */
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#ifndef PATH_MAX
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#include <sys/param.h>
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#ifndef PATH_MAX
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#define PATH_MAX MAXPATHLEN
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#endif /*!PATH_MAX */
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#endif /*PATH_MAX */
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#include <string.h>
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#include "mu-msg-file.h"
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/*
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* is this a 'new' msg or a 'cur' msg?; if new, we return
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* (in info) a ptr to the info part
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*/
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enum _MsgType {
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MSG_TYPE_CUR,
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MSG_TYPE_NEW,
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MSG_TYPE_OTHER
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};
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typedef enum _MsgType MsgType;
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static MsgType
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check_msg_type (const char *path, char **info)
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{
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char *dir, *file;
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MsgType mtype;
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/* try to find the info part */
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/* note that we can use either the ':' or '!' as separator;
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* the former is the official, but as it does not work on e.g. VFAT
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* file systems, some Maildir implementations use the latter instead
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* (or both). For example, Tinymail/modest does this. The python
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* documentation at http://docs.python.org/lib/mailbox-maildir.html
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* mentions the '!' as well as a 'popular choice'
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*/
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*info = NULL;
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dir = g_path_get_dirname(path);
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file = g_path_get_basename(path);
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if (!(*info = strrchr(file, ':')))
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*info = strrchr(file, '!'); /* Tinymail */
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if (*info)
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++(*info); /* skip the ':' or '!' */
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if (g_str_has_suffix(dir, G_DIR_SEPARATOR_S "cur")) {
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if (!*info)
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g_debug("'cur' file, but no info part: %s", path);
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mtype = MSG_TYPE_CUR;
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} else if (g_str_has_suffix(dir, G_DIR_SEPARATOR_S "new")) {
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if (*info)
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g_debug("'new' file, ignoring info part: %s", path);
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mtype = MSG_TYPE_NEW;
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} else
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mtype = MSG_TYPE_OTHER; /* file has been added explicitly as
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a single message */
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if (*info)
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*info = g_strdup(*info);
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g_free(dir);
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g_free(file);
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return mtype;
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}
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MuMsgFlags
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mu_msg_file_get_flags_from_path (const char *path)
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{
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MuMsgFlags flags;
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MsgType mtype;
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char *info = NULL, *cursor;
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g_return_val_if_fail (path, MU_MSG_FLAG_NONE);
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g_return_val_if_fail (!g_str_has_suffix(path, G_DIR_SEPARATOR_S),
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MU_MSG_FLAG_NONE);
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mtype = check_msg_type (path, &info);
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if (mtype == MSG_TYPE_NEW) { /* we ignore any new-msg flags */
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/* note NEW implies UNREAD */
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flags = MU_MSG_FLAG_NEW | MU_MSG_FLAG_UNREAD;
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goto leave;
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}
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flags = MU_MSG_FLAG_NONE;
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if ((mtype != MSG_TYPE_CUR && mtype != MSG_TYPE_OTHER) ||
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!(info && info[0] == '2' && info[1] == ','))
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goto leave;
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for (cursor = info + 2; *cursor; ++cursor) {
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switch (*cursor) {
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case 'P': flags |= MU_MSG_FLAG_PASSED; break;
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case 'T': flags |= MU_MSG_FLAG_TRASHED; break;
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case 'R': flags |= MU_MSG_FLAG_REPLIED; break;
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case 'S': flags |= MU_MSG_FLAG_SEEN; break;
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case 'D': flags |= MU_MSG_FLAG_DRAFT; break;
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case 'F': flags |= MU_MSG_FLAG_FLAGGED; break;
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default: break; /* ignore */
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}
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}
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/* the UNREAD pseudo flag => NEW OR NOT SEEN */
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if (!(flags & MU_MSG_FLAG_SEEN))
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flags |= MU_MSG_FLAG_UNREAD;
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leave:
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g_free(info);
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return flags;
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}
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static const char*
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get_flags_str_s (MuMsgFlags flags)
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{
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int i;
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static char flagstr[7];
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i = 0;
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/* now, determine the flags to use */
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if (flags & MU_MSG_FLAG_DRAFT)
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flagstr[i++] = 'D';
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if (flags & MU_MSG_FLAG_FLAGGED)
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flagstr[i++] = 'F';
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if (flags & MU_MSG_FLAG_PASSED)
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flagstr[i++] = 'P';
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if (flags & MU_MSG_FLAG_REPLIED)
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flagstr[i++] = 'R';
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if (flags & MU_MSG_FLAG_SEEN)
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flagstr[i++] = 'S';
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if (flags & MU_MSG_FLAG_TRASHED)
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flagstr[i++] = 'T';
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flagstr[i] = '\0';
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return flagstr;
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}
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/*
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* take an exising message path, and return a new path, based on whether it should be in
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* 'new' or 'cur'; ie.
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*
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* /home/user/Maildir/foo/bar/cur/abc:2,F and flags == MU_MSG_FLAG_NEW
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* => /home/user/Maildir/foo/bar/new
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* and
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* /home/user/Maildir/foo/bar/new/abc and flags == MU_MSG_FLAG_REPLIED
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* => /home/user/Maildir/foo/bar/cur
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*
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* so only difference is whether MuMsgFlags matches MU_MSG_FLAG_NEW is set or not
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*
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*/
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static char*
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get_new_dir_name (const char* oldpath, MuMsgFlags flags)
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{
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char *newpath, *dirpart;
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/* g_path_get_dirname is not explicit about whether it ends in
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* a dir-separator (\ or /), so we need to check both */
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const char* cur4 = G_DIR_SEPARATOR_S "cur";
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const char* cur5 = G_DIR_SEPARATOR_S "cur" G_DIR_SEPARATOR_S;
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const char* new4 = G_DIR_SEPARATOR_S "new";
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const char* new5 = G_DIR_SEPARATOR_S "new" G_DIR_SEPARATOR_S;
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g_return_val_if_fail (oldpath, NULL);
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/* if MU_MSG_FLAG_NEW is set, it must be the only flag */
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g_return_val_if_fail (flags & MU_MSG_FLAG_NEW ?
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flags == MU_MSG_FLAG_NEW : TRUE, NULL);
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newpath = g_path_get_dirname (oldpath);
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if (g_str_has_suffix (newpath, cur4) || g_str_has_suffix (newpath, new4))
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dirpart = &newpath[strlen(newpath) - strlen(cur4)];
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else if (g_str_has_suffix (newpath, cur5) || g_str_has_suffix (newpath, new5))
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dirpart = &newpath[strlen(newpath) - strlen(cur5)];
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else {
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g_warning ("invalid maildir path: %s", oldpath);
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g_free (newpath);
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return NULL;
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}
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/* now, copy the desired dir part behind this */
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if (flags & MU_MSG_FLAG_NEW)
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memcpy (dirpart, new4, strlen(new4) + 1);
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else
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memcpy (dirpart, cur4, strlen(cur4) + 1);
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return newpath;
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}
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/*
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* get a new filename for the message, based on the new flags; if the
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* message has MU_MSG_FLAG_NEW, it will loose its flags
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*
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*/
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static char*
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get_new_file_name (const char *oldpath, MuMsgFlags flags)
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{
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gchar *newname, *sep;
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/* if MU_MSG_FLAG_NEW is set, it must be the only flag */
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g_return_val_if_fail (flags & MU_MSG_FLAG_NEW ?
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flags == MU_MSG_FLAG_NEW : TRUE, NULL);
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/* the normal separator is ':', but on e.g. vfat, '!' is seen
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* as well */
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newname = g_path_get_basename (oldpath);
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if (!newname) {
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g_warning ("invalid path: '%s'", oldpath);
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return NULL;
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}
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if (!(sep = g_strrstr (newname, ":")) &&
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!(sep = g_strrstr (newname, "!"))) {
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g_warning ("not a valid msg file name: '%s'", oldpath);
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g_free (newname);
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return NULL;
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}
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if (flags & MU_MSG_FLAG_NEW)
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sep[0] = '\0'; /* remove all, including ':' or '!' */
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else {
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gchar *tmp;
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sep[1] = '\0'; /* remove flags, but keep ':' or '!' */
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sep[flags & MU_MSG_FLAG_NEW ? 0 : 1] = '\0';
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tmp = newname;
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newname = g_strdup_printf ("%s2,%s", newname, get_flags_str_s (flags));
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g_free (tmp);
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}
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return newname;
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}
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char*
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mu_msg_file_get_path_from_flags (const char *oldpath, MuMsgFlags newflags)
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{
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char *newname, *newdir, *newpath;
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g_return_val_if_fail (oldpath, NULL);
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g_return_val_if_fail (newflags != MU_MSG_FLAG_NONE, NULL);
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/* if MU_MSG_FLAG_NEW is set, it must be the only flag */
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g_return_val_if_fail (newflags & MU_MSG_FLAG_NEW ?
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newflags == MU_MSG_FLAG_NEW : TRUE, NULL);
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newname = get_new_file_name (oldpath, newflags);
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if (!newname)
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return NULL;
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newdir = get_new_dir_name (oldpath, newflags);
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if (!newdir) {
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g_free (newname);
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return NULL;
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}
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newpath = g_strdup_printf ("%s%c%s", newdir, G_DIR_SEPARATOR, newname);
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g_free (newname);
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g_free (newdir);
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return newpath;
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}
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