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/*
* 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. :)
*/
/* Local subsystem globals */
static Evas_List *_e_filereg = NULL;
typedef struct _Filereg_Item Filereg_Item;
struct _Filereg_Item
{
char * path;
int ref_count;
};
/* Externally accessible functions */
EAPI int
e_filereg_init(void)
{
return 1;
}
EAPI int
e_filereg_shutdown(void)
{
Evas_List * ll;
Filereg_Item * item;
/* Delete all strings in the hash */
for (ll = _e_filereg; ll; ll = ll->next)
{
item = ll->data;
E_FREE(item->path);
E_FREE(item);
}
_e_filereg = evas_list_free(_e_filereg);
}
EAPI int
e_filereg_register(const char * path)
{
Evas_List * ll;
Filereg_Item * item;
for (ll = _e_filereg; ll; ll = ll->next)
{
item = ll->data;
if (!strcmp(item->path, path))
{
/* File already registered, increment ref. count */
item->ref_count++;
return 1;
}
}
/* Doesn't exist so add to list. */
item = E_NEW(Filereg_Item, 1);
if (!item) return 0;
item->path = strdup(path);
item->ref_count = 1;
_e_filereg = evas_list_append(_e_filereg, item);
return 1;
}
EAPI void
e_filereg_deregister(const char * path)
{
Evas_List * ll;
Filereg_Item * item;
for (ll = _e_filereg; ll; ll = ll->next)
{
item = ll->data;
if (!strcmp(item->path, path))
{
item->ref_count--;
if (item->ref_count == 0)
{
_e_filereg = evas_list_remove_list(_e_filereg, ll);
E_FREE(item->path);
E_FREE(item);
}
return;
}
}
}
EAPI Evas_Bool
e_filereg_file_protected(const char * path)
{
Evas_List * ll;
Filereg_Item * item;
for (ll = _e_filereg; ll; ll = ll->next)
{
item = ll->data;
if (!strcmp(item->path, path))
return 1;
}
return 0;
}