void
zdir_patch_test (bool verbose)
{
printf (" * zdir_patch: ");
// @selftest
zfile_t *file = zfile_new (".", "bilbo");
assert (file);
zdir_patch_t *patch = zdir_patch_new (".", file, patch_create, "/");
assert (patch);
zfile_destroy (&file);
file = zdir_patch_file (patch);
assert (file);
assert (streq (zfile_filename (file, "."), "bilbo"));
assert (streq (zdir_patch_vpath (patch), "/bilbo"));
zdir_patch_destroy (&patch);
#if defined (__WINDOWS__)
zsys_shutdown();
#endif
// @end
printf ("OK\n");
}
// --------------------------------------------------------------------------
// Self test of this class
int
zdir_patch_test (bool verbose)
{
printf (" * zdir_patch: ");
// @selftest
zfile_t *file = zfile_new (".", "bilbo");
zdir_patch_t *patch = zdir_patch_new (".", file, patch_create, "/");
zfile_destroy (&file);
file = zdir_patch_file (patch);
assert (streq (zfile_filename (file, "."), "bilbo"));
assert (streq (zdir_patch_vpath (patch), "/bilbo"));
zdir_patch_destroy (&patch);
// @end
printf ("OK\n");
return 0;
}
zlist_t *
zdir_resync (zdir_t *self, const char *alias)
{
zlist_t *patches = zlist_new ();
if (!patches)
return NULL;
zfile_t **files = zdir_flatten (self);
uint index;
for (index = 0;; index++) {
zfile_t *file = files [index];
if (!file)
break;
if (zlist_append (patches, zdir_patch_new (
self->path, file, patch_create, alias))) {
zlist_destroy (&patches);
break;
}
}
freen (files);
return patches;
}
///
// Create new patch
QZdirPatch::QZdirPatch (const QString &path, QZfile *file, int op, const QString &alias, QObject *qObjParent) : QObject (qObjParent)
{
this->self = zdir_patch_new (path.toUtf8().data(), file->self, op, alias.toUtf8().data());
}
zlist_t *
zdir_diff (zdir_t *older, zdir_t *newer, const char *alias)
{
zlist_t *patches = zlist_new ();
if (!patches)
return NULL;
zfile_t **old_files = zdir_flatten (older);
zfile_t **new_files = zdir_flatten (newer);
int old_index = 0;
int new_index = 0;
// Note that both lists are sorted, so detecting differences
// is rather trivial
while (old_files [old_index] || new_files [new_index]) {
zfile_t *old_file = old_files [old_index];
zfile_t *new_file = new_files [new_index];
int cmp;
if (!old_file)
cmp = 1; // Old file was deleted at end of list
else
if (!new_file)
cmp = -1; // New file was added at end of list
else
cmp = strcmp (zfile_filename (old_file, NULL), zfile_filename (new_file, NULL));
if (cmp > 0) {
// New file was created
if (zfile_is_stable (new_file)) {
int rc = zlist_append (patches, zdir_patch_new (newer->path, new_file, patch_create, alias));
if (rc != 0) {
zlist_destroy (&patches);
break;
}
}
old_index--;
}
else
if (cmp < 0) {
// Old file was deleted
if (zfile_is_stable (old_file)) {
int rc = zlist_append (patches, zdir_patch_new (older->path, old_file, patch_delete, alias));
if (rc != 0) {
zlist_destroy (&patches);
break;
}
}
new_index--;
}
else
if (cmp == 0 && zfile_is_stable (new_file)) {
if (zfile_is_stable (old_file)) {
// Old file was modified or replaced
// Since we don't check file contents, treat as created
// Could better do SHA check on file here
if (zfile_modified (new_file) != zfile_modified (old_file)
|| zfile_cursize (new_file) != zfile_cursize (old_file)) {
int rc = zlist_append (patches, zdir_patch_new (newer->path, new_file, patch_create, alias));
if (rc != 0) {
zlist_destroy (&patches);
break;
}
}
}
else {
// File was created over some period of time
int rc = zlist_append (patches, zdir_patch_new (newer->path, new_file, patch_create, alias));
if (rc != 0) {
zlist_destroy (&patches);
break;
}
}
}
old_index++;
new_index++;
}
freen (old_files);
freen (new_files);
return patches;
}
