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/*
* fontconfig/src/fclist.c
*
* Copyright © 2000 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the author(s) not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "fcint.h"
static unsigned int
FcObjectTypeHash (register const char *str, register FC_GPERF_SIZE_T len);
static const struct FcObjectTypeInfo *
FcObjectTypeLookup (register const char *str, register FC_GPERF_SIZE_T len);
#include "fcobjshash.h"
#include <string.h>
/* The 1000 is to leave some room for future added internal objects, such
* that caches from newer fontconfig can still be used with older fontconfig
* without getting confused. */
static fc_atomic_int_t next_id = FC_MAX_BASE_OBJECT + FC_EXT_OBJ_INDEX;
struct FcObjectOtherTypeInfo {
struct FcObjectOtherTypeInfo *next;
FcObjectType object;
FcObject id;
} *other_types;
void
FcObjectFini (void)
{
struct FcObjectOtherTypeInfo *ots, *ot;
retry:
ots = fc_atomic_ptr_get (&other_types);
if (!ots)
return;
if (!fc_atomic_ptr_cmpexch (&other_types, ots, NULL))
goto retry;
while (ots)
{
ot = ots->next;
if (ots->object.object)
free (ots->object.object);
free (ots);
ots = ot;
}
}
static FcObjectType *
_FcObjectLookupOtherTypeByName (const char *str, FcObject *id)
{
struct FcObjectOtherTypeInfo *ots, *ot;
retry:
ots = fc_atomic_ptr_get (&other_types);
for (ot = ots; ot; ot = ot->next)
if (0 == strcmp (ot->object.object, str))
break;
if (!ot)
{
ot = malloc (sizeof (*ot));
if (!ot)
return NULL;
ot->object.object = (char *) FcStrdup (str);
ot->object.type = FcTypeUnknown;
ot->id = fc_atomic_int_add (next_id, +1);
if (ot->id < (FC_MAX_BASE_OBJECT + FC_EXT_OBJ_INDEX))
{
fprintf (stderr, "Fontconfig error: No object ID to assign\n");
abort ();
}
ot->next = ots;
if (!fc_atomic_ptr_cmpexch (&other_types, ots, ot)) {
if (ot->object.object)
free (ot->object.object);
free (ot);
goto retry;
}
}
if (id)
*id = ot->id;
return &ot->object;
}
FcObject
FcObjectLookupBuiltinIdByName (const char *str)
{
const struct FcObjectTypeInfo *o = FcObjectTypeLookup (str, strlen (str));
if (o)
return o->id;
return 0;
}
FcObject
FcObjectLookupIdByName (const char *str)
{
const struct FcObjectTypeInfo *o = FcObjectTypeLookup (str, strlen (str));
FcObject id;
if (o)
return o->id;
if (_FcObjectLookupOtherTypeByName (str, &id))
return id;
return 0;
}
const char *
FcObjectLookupOtherNameById (FcObject id)
{
struct FcObjectOtherTypeInfo *ot;
for (ot = fc_atomic_ptr_get (&other_types); ot; ot = ot->next)
if (ot->id == id)
return ot->object.object;
return NULL;
}
const FcObjectType *
FcObjectLookupOtherTypeByName (const char *str)
{
return _FcObjectLookupOtherTypeByName (str, NULL);
}
FcPrivate const FcObjectType *
FcObjectLookupOtherTypeById (FcObject id)
{
struct FcObjectOtherTypeInfo *ot;
for (ot = fc_atomic_ptr_get (&other_types); ot; ot = ot->next)
if (ot->id == id)
return &ot->object;
return NULL;
}
#include "fcaliastail.h"
#undef __fcobjs__
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