CacheLoader *cache_loader_new(FileData *fd, CacheDataType load_mask,
CacheLoaderDoneFunc done_func, gpointer done_data)
{
CacheLoader *cl;
gchar *found;
if (!fd || !isfile(fd->path)) return NULL;
cl = g_new0(CacheLoader, 1);
cl->fd = file_data_ref(fd);
cl->done_func = done_func;
cl->done_data = done_data;
found = cache_find_location(CACHE_TYPE_SIM, cl->fd->path);
if (found && filetime(found) == filetime(cl->fd->path))
{
cl->cd = cache_sim_data_load(found);
}
g_free(found);
if (!cl->cd) cl->cd = cache_sim_data_new();
cl->todo_mask = load_mask;
cl->done_mask = CACHE_LOADER_NONE;
cl->il = NULL;
cl->idle_id = g_idle_add(cache_loader_idle_cb, cl);
cl->error = FALSE;
return cl;
}
CacheData *cache_sim_data_load(const gchar *path)
{
FILE *f;
CacheData *cd = NULL;
gchar buf[32];
gint success = CACHE_LOAD_LINE_NOISE;
gchar *pathl;
if (!path) return NULL;
pathl = path_from_utf8(path);
f = fopen(pathl, "r");
g_free(pathl);
if (!f) return NULL;
cd = cache_sim_data_new();
cd->path = g_strdup(path);
if (fread(&buf, sizeof(gchar), 9, f) != 9 ||
strncmp(buf, "SIMcache", 8) != 0)
{
DEBUG_1("%s is not a cache file", cd->path);
success = 0;
}
while (success > 0)
{
gint s;
s = fread(&buf, sizeof(gchar), sizeof(buf), f);
if (s < 1)
{
success = 0;
}
else
{
if (!cache_sim_read_comment(f, buf, s, cd) &&
!cache_sim_read_dimensions(f, buf, s, cd) &&
!cache_sim_read_date(f, buf, s, cd) &&
!cache_sim_read_checksum(f, buf, s, cd) &&
!cache_sim_read_md5sum(f, buf, s, cd) &&
!cache_sim_read_similarity(f, buf, s, cd))
{
if (!cache_sim_read_skipline(f, s))
{
success = 0;
}
else
{
success--;
}
}
else
{
success = CACHE_LOAD_LINE_NOISE;
}
}
}
fclose(f);
if (!cd->dimensions &&
!cd->have_date &&
!cd->have_checksum &&
!cd->have_md5sum &&
!cd->similarity)
{
cache_sim_data_free(cd);
cd = NULL;
}
return cd;
}
