enlightenment/src/bin/e_filereg.c

100 lines
2.0 KiB
C

/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
#include "e.h"
/*
* Implementation of a protected file registry. Any files that are
* currently being used by E in core components should be registered
* here and will be protected as best as E can. :)
*/
static Evas_Hash *_e_filereg = NULL;
typedef struct _Filereg_Item Filereg_Item;
struct _Filereg_Item
{
const char *path;
int ref_count;
};
static Evas_Bool _filereg_hash_cb_free(const Evas_Hash *hash __UNUSED__,
const void *key __UNUSED__,
void *data, void *fdata __UNUSED__);
/* Externally accessible functions */
EAPI int
e_filereg_init(void)
{
return 1;
}
EAPI int
e_filereg_shutdown(void)
{
evas_hash_foreach(_e_filereg, _filereg_hash_cb_free, NULL);
evas_hash_free(_e_filereg);
_e_filereg = NULL;
return 1;
}
EAPI int
e_filereg_register(const char *path)
{
Filereg_Item *fi = NULL;
fi = evas_hash_find(_e_filereg, path);
if (fi)
{
fi->ref_count++;
return 1;
}
fi = E_NEW(Filereg_Item, 1);
if (!fi) return 0;
fi->path = eina_stringshare_add(path);
fi->ref_count = 1;
_e_filereg = evas_hash_add(_e_filereg, path, fi);
return 1;
}
EAPI void
e_filereg_deregister(const char *path)
{
Filereg_Item *fi = NULL;
fi = evas_hash_find(_e_filereg, path);
if (fi)
{
fi->ref_count--;
if (fi->ref_count == 0)
{
_e_filereg = evas_hash_del(_e_filereg, path, fi);
if (fi->path) eina_stringshare_del(fi->path);
E_FREE(fi);
}
}
}
EAPI Evas_Bool
e_filereg_file_protected(const char *path)
{
Filereg_Item *fi = NULL;
fi = evas_hash_find(_e_filereg, path);
if (!fi) return 0;
else return 1;
}
/* Private Functions */
static Evas_Bool
_filereg_hash_cb_free(const Evas_Hash *hash __UNUSED__, const void *key __UNUSED__,
void *data, void *fdata __UNUSED__)
{
Filereg_Item *fi;
fi = data;
if (!fi) return 1;
if (fi->path) eina_stringshare_del(fi->path);
E_FREE(fi);
return 1;
}