#include <stdlib.h>
#include <stdio.h>

#include  "objects.h"


void *l_node_stiring_new(const char *text)
{
    LNodeString *sn = (LNodeString *) malloc(sizeof(LNodeString));
    LNode *n = (LNode *)sn;
    sn->value = text;
    n->type = String;
    n->prev = NULL;
    n->next = NULL;
    return sn;
}

void *l_node_integer_new(int value)
{
    LNodeInteger *in = (LNodeInteger *) malloc(sizeof(LNodeInteger));
    LNode *n = (LNode *)in;
    in->value = value;
    n->type = Integer;
    n->prev = NULL;
    n->next = NULL;
    return in;
}

void *l_node_append(void *_parent, void *_new)
{
    LNode *p, *parent, *new;
    parent = (LNode *)_parent;
    new = (LNode *)new;
    p = parent;
    while (p->next != NULL)
        p = (LNode *)(p->next);
    new->prev = p;
    p->next = new;
    return parent;
}

void l_node_print(void *_obj)
{
    LNode *obj = (LNode *)_obj;
    while (obj) {
        switch (obj->type) {
            case String: 
                printf("node value> %s\n", ((LNodeString *)obj)->value);
                break;
            case Integer:
                printf("node value> %d\n", ((LNodeInteger *)obj)->value);
                break;
            default:
                printf("node value> empty node\n");
        }
        obj = obj->next;
    }
}