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#include <fitz.h>
fz_error *
fz_newdict(fz_obj **op, int initialcap)
{
fz_obj *obj;
int i;
obj = *op = fz_malloc(sizeof (fz_obj));
if (!obj) return fz_outofmem;
obj->kind = FZ_DICT;
obj->refcount = 1;
obj->u.d.len = 0;
obj->u.d.cap = initialcap > 0 ? initialcap : 10;
obj->u.d.items = fz_malloc(sizeof(struct fz_keyval_s) * obj->u.d.cap);
if (!obj->u.d.items) { fz_free(obj); return fz_outofmem; }
for (i = 0; i < obj->u.d.cap; i++) {
obj->u.d.items[i].k = nil;
obj->u.d.items[i].v = nil;
}
return nil;
}
fz_error *
fz_copydict(fz_obj **op, fz_obj *obj)
{
fz_error *err;
fz_obj *new;
int i;
if (!fz_isdict(obj))
return fz_throw("typecheck in copydict");
err = fz_newdict(&new, obj->u.d.cap);
if (err) return err;
*op = new;
for (i = 0; i < fz_dictlen(obj); i++) {
err = fz_dictput(new, fz_dictgetkey(obj, i), fz_dictgetval(obj, i));
if (err) { fz_freedict(new); return err; }
}
return nil;
}
fz_error *
fz_deepcopydict(fz_obj **op, fz_obj *obj)
{
fz_error *err;
fz_obj *new;
fz_obj *val;
int i;
if (!fz_isdict(obj))
return fz_throw("typecheck in deepcopydict");
err = fz_newdict(&new, obj->u.d.cap);
if (err) return err;
*op = new;
for (i = 0; i < fz_dictlen(obj); i++)
{
val = fz_dictgetval(obj, i);
if (fz_isarray(val)) {
err = fz_deepcopyarray(&val, val);
if (err) { fz_freedict(new); return err; }
err = fz_dictput(new, fz_dictgetkey(obj, i), val);
if (err) { fz_dropobj(val); fz_freedict(new); return err; }
fz_dropobj(val);
}
else if (fz_isdict(val)) {
err = fz_deepcopydict(&val, val);
if (err) { fz_freedict(new); return err; }
err = fz_dictput(new, fz_dictgetkey(obj, i), val);
if (err) { fz_dropobj(val); fz_freedict(new); return err; }
fz_dropobj(val);
}
else {
err = fz_dictput(new, fz_dictgetkey(obj, i), val);
if (err) { fz_freedict(new); return err; }
}
}
return nil;
}
static fz_error *
growdict(fz_obj *obj)
{
struct fz_keyval_s *newitems;
int newcap;
int i;
newcap = obj->u.d.cap * 2;
newitems = fz_realloc(obj->u.d.items, sizeof(struct fz_keyval_s) * newcap);
if (!newitems) return fz_outofmem;
obj->u.d.items = newitems;
for (i = obj->u.d.cap; i < newcap; i++) {
obj->u.d.items[i].k = nil;
obj->u.d.items[i].v = nil;
}
obj->u.d.cap = newcap;
return nil;
}
int
fz_dictlen(fz_obj *obj)
{
if (!fz_isdict(obj))
return 0;
return obj->u.d.len;
}
fz_obj *
fz_dictgetkey(fz_obj *obj, int i)
{
if (!fz_isdict(obj))
return nil;
if (i < 0 || i >= obj->u.d.len)
return nil;
return obj->u.d.items[i].k;
}
fz_obj *
fz_dictgetval(fz_obj *obj, int i)
{
if (!fz_isdict(obj))
return nil;
if (i < 0 || i >= obj->u.d.len)
return nil;
return obj->u.d.items[i].v;
}
fz_obj *
fz_dictgets(fz_obj *obj, char *key)
{
int i;
if (!fz_isdict(obj))
return nil;
for (i = 0; i < obj->u.d.len; i++)
if (strcmp(fz_toname(obj->u.d.items[i].k), key) == 0)
return obj->u.d.items[i].v;
return nil;
}
fz_obj *
fz_dictget(fz_obj *obj, fz_obj *key)
{
return fz_dictgets(obj, fz_toname(key));
}
fz_error *
fz_dictput(fz_obj *obj, fz_obj *key, fz_obj *val)
{
fz_error *err;
int i;
char *s;
if (!fz_isdict(obj))
return fz_throw("typecheck in dictput");
if (!fz_isname(key))
return fz_throw("typecheck in dictput");
s = fz_toname(key);
for (i = 0; i < obj->u.d.len; i++) {
if (strcmp(fz_toname(obj->u.d.items[i].k), s) == 0) {
fz_dropobj(obj->u.d.items[i].v);
obj->u.d.items[i].v = fz_keepobj(val);
return nil;
}
}
if (obj->u.d.len + 1 > obj->u.d.cap) {
err = growdict(obj);
if (err) return err;
}
obj->u.d.items[obj->u.d.len].k = fz_keepobj(key);
obj->u.d.items[obj->u.d.len].v = fz_keepobj(val);
obj->u.d.len ++;
return nil;
}
fz_error *
fz_dictputs(fz_obj *obj, char *key, fz_obj *val)
{
fz_error *err;
fz_obj *keyobj;
err = fz_newname(&keyobj, key);
if (err) return err;
err = fz_dictput(obj, keyobj, val);
fz_dropobj(keyobj);
return err;
}
fz_error *
fz_dictdels(fz_obj *obj, char *key)
{
int i;
if (!fz_isdict(obj))
return fz_throw("typecheck in dictdel");
for (i = 0; i < obj->u.d.len; i++) {
if (strcmp(fz_toname(obj->u.d.items[i].k), key) == 0) {
fz_dropobj(obj->u.d.items[i].k);
fz_dropobj(obj->u.d.items[i].v);
obj->u.d.items[i] = obj->u.d.items[obj->u.d.len-1];
obj->u.d.len --;
}
}
return nil;
}
fz_error *
fz_dictdel(fz_obj *obj, fz_obj *key)
{
return fz_dictdels(obj, fz_toname(key));
}
void
fz_freedict(fz_obj *obj)
{
int i;
if (!fz_isdict(obj))
return;
for (i = 0; i < obj->u.d.len; i++) {
if (obj->u.d.items[i].k)
fz_dropobj(obj->u.d.items[i].k);
if (obj->u.d.items[i].v)
fz_dropobj(obj->u.d.items[i].v);
}
fz_free(obj->u.d.items);
fz_free(obj);
}
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