int BLI_linklist_length(LinkNode *list) {
if (0) {
return list?(1+BLI_linklist_length(list->next)):0;
} else {
int len;
for (len=0; list; list= list->next)
len++;
return len;
}
}
void filelist_from_library(struct FileList* filelist)
{
LinkNode *l, *names, *previews;
struct ImBuf* ima;
int ok, i, nprevs, nnames, idcode;
char filename[FILE_MAX];
char dir[FILE_MAX], group[GROUP_MAX];
/* name test */
ok= filelist_islibrary(filelist, dir, group);
if (!ok) {
/* free */
if (filelist->libfiledata) BLO_blendhandle_close(filelist->libfiledata);
filelist->libfiledata= NULL;
return;
}
BLI_strncpy(filename, G.main->name, sizeof(filename));
/* there we go */
/* for the time being only read filedata when libfiledata==0 */
if (filelist->libfiledata == NULL) {
filelist->libfiledata= BLO_blendhandle_from_file(dir, NULL);
if (filelist->libfiledata == NULL) return;
}
idcode= groupname_to_code(group);
/* memory for strings is passed into filelist[i].relname
* and freed in freefilelist */
if (idcode) {
previews= BLO_blendhandle_get_previews(filelist->libfiledata, idcode, &nprevs);
names= BLO_blendhandle_get_datablock_names(filelist->libfiledata, idcode, &nnames);
/* ugh, no rewind, need to reopen */
BLO_blendhandle_close(filelist->libfiledata);
filelist->libfiledata= BLO_blendhandle_from_file(dir, NULL);
}
else {
previews= NULL;
nprevs= 0;
names= BLO_blendhandle_get_linkable_groups(filelist->libfiledata);
nnames= BLI_linklist_length(names);
}
filelist->numfiles= nnames + 1;
filelist->filelist= malloc(filelist->numfiles * sizeof(*filelist->filelist));
memset(filelist->filelist, 0, filelist->numfiles * sizeof(*filelist->filelist));
filelist->filelist[0].relname= BLI_strdup("..");
filelist->filelist[0].type |= S_IFDIR;
for (i=0, l= names; i<nnames; i++, l= l->next) {
char *blockname= l->link;
filelist->filelist[i + 1].relname= BLI_strdup(blockname);
if (idcode) {
filelist->filelist[i + 1].type |= S_IFREG;
}
else {
filelist->filelist[i + 1].type |= S_IFDIR;
}
}
if (previews && (nnames != nprevs)) {
printf("filelist_from_library: error, found %d items, %d previews\n", nnames, nprevs);
}
else if (previews) {
for (i=0, l= previews; i<nnames; i++, l= l->next) {
PreviewImage *img= l->link;
if (img) {
unsigned int w = img->w[ICON_SIZE_PREVIEW];
unsigned int h = img->h[ICON_SIZE_PREVIEW];
unsigned int *rect = img->rect[ICON_SIZE_PREVIEW];
/* first allocate imbuf for copying preview into it */
if (w > 0 && h > 0 && rect) {
ima = IMB_allocImBuf(w, h, 32, IB_rect);
memcpy(ima->rect, rect, w*h*sizeof(unsigned int));
filelist->filelist[i + 1].image = ima;
filelist->filelist[i + 1].flags = IMAGEFILE;
}
}
}
}
BLI_linklist_free(names, free);
if (previews) BLI_linklist_free(previews, BKE_previewimg_freefunc);
filelist_sort(filelist, FILE_SORT_ALPHA);
BLI_strncpy(G.main->name, filename, sizeof(filename)); // prevent G.main->name to change
filelist->filter = 0;
filelist_filter(filelist);
}
