lsup_repo/src/desc.c

#include "desc.h"

LSUP_rc
LSR_desc_new (LSUP_Graph *data, LSR_Desc **rsrc_p)
{
    LSUP_rc rc = LSUP_NOACTION;

    LSR_Desc *rsrc;
    MALLOC_GUARD (rsrc, LSUP_MEM_ERR);

    LSUP_GraphIterator
        *lu_it      = LSUP_graph_lookup (data, NULL, NULL, NULL, NULL),
        *uattr_it   = LSUP_graph_add_init (rsrc->user_attr),
        *aattr_it   = LSUP_graph_add_init (rsrc->admin_attr),
        *urel_it    = LSUP_graph_add_init (rsrc->user_rel),
        *arel_it    = LSUP_graph_add_init (rsrc->admin_rel);

    LSUP_Triple src_spo;

    while (LSUP_graph_iter_next (lu_it, &src_spo) == LSUP_OK) {
        LSUP_Triple dest_spo = {
            LSUP_term_copy (src_spo.s),
            LSUP_term_copy (src_spo.p),
            LSUP_term_copy (src_spo.o),
        };

        // TODO if the pred is managed, ignore the triple and send a warning.

        // TODO Else if the resource is a structure type, handle special workflow.

        // TODO Else if the subject or object is a resource, check if it exists; if
        // it does, add triple to urel; if not, return an error.

        // TODO Else add triple to user_attr.
    }

finally:
    LSUP_graph_iter_free (lu_it);
    LSUP_graph_add_done (uattr_it);
    LSUP_graph_add_done (aattr_it);
    LSUP_graph_add_done (urel_it);
    LSUP_graph_add_done (arel_it);

    if (rc == LSUP_OK) *rsrc_p = rsrc;
    else {
        LSR_desc_free (rsrc);
        *rsrc_p = NULL;
    }

    return rc;
}


void LSR_desc_free (LSR_Desc *rsrc)
{
    LSUP_graph_free (rsrc->user_attr);
    LSUP_graph_free (rsrc->admin_attr);
    LSUP_graph_free (rsrc->user_rel);
    LSUP_graph_free (rsrc->admin_rel);
    free (rsrc);
}