diff options
Diffstat (limited to 'fontconfig/src/fcpat.c')
-rw-r--r-- | fontconfig/src/fcpat.c | 2534 |
1 files changed, 1267 insertions, 1267 deletions
diff --git a/fontconfig/src/fcpat.c b/fontconfig/src/fcpat.c index 0d2402043..8f63659df 100644 --- a/fontconfig/src/fcpat.c +++ b/fontconfig/src/fcpat.c @@ -1,1267 +1,1267 @@ -/*
- * 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"
-#include "fcftint.h"
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-static FcBool
-FcHashOwnsName(const FcChar8 *name);
-
-FcPattern *
-FcPatternCreate (void)
-{
- FcPattern *p;
-
- p = (FcPattern *) malloc (sizeof (FcPattern));
- if (!p)
- return 0;
- FcMemAlloc (FC_MEM_PATTERN, sizeof (FcPattern));
- p->num = 0;
- p->size = 0;
- p->elts_offset = FcPtrToOffset (p, NULL);
- p->ref = 1;
- return p;
-}
-
-void
-FcValueDestroy (FcValue v)
-{
- switch (v.type) {
- case FcTypeString:
- if (!FcHashOwnsName(v.u.s))
- FcStrFree ((FcChar8 *) v.u.s);
- break;
- case FcTypeMatrix:
- FcMatrixFree ((FcMatrix *) v.u.m);
- break;
- case FcTypeCharSet:
- FcCharSetDestroy ((FcCharSet *) v.u.c);
- break;
- case FcTypeLangSet:
- FcLangSetDestroy ((FcLangSet *) v.u.l);
- break;
- default:
- break;
- }
-}
-
-FcValue
-FcValueCanonicalize (const FcValue *v)
-{
- FcValue new;
-
- switch (v->type)
- {
- case FcTypeString:
- new.u.s = FcValueString(v);
- new.type = FcTypeString;
- break;
- case FcTypeCharSet:
- new.u.c = FcValueCharSet(v);
- new.type = FcTypeCharSet;
- break;
- case FcTypeLangSet:
- new.u.l = FcValueLangSet(v);
- new.type = FcTypeLangSet;
- break;
- default:
- new = *v;
- break;
- }
- return new;
-}
-
-FcValue
-FcValueSave (FcValue v)
-{
- switch (v.type) {
- case FcTypeString:
- v.u.s = FcStrStaticName (v.u.s);
- if (!v.u.s)
- v.type = FcTypeVoid;
- break;
- case FcTypeMatrix:
- v.u.m = FcMatrixCopy (v.u.m);
- if (!v.u.m)
- v.type = FcTypeVoid;
- break;
- case FcTypeCharSet:
- v.u.c = FcCharSetCopy ((FcCharSet *) v.u.c);
- if (!v.u.c)
- v.type = FcTypeVoid;
- break;
- case FcTypeLangSet:
- v.u.l = FcLangSetCopy (v.u.l);
- if (!v.u.l)
- v.type = FcTypeVoid;
- break;
- default:
- break;
- }
- return v;
-}
-
-void
-FcValueListDestroy (FcValueListPtr l)
-{
- FcValueListPtr next;
- for (; l; l = next)
- {
- switch (l->value.type) {
- case FcTypeString:
- if (!FcHashOwnsName((FcChar8 *)l->value.u.s))
- FcStrFree ((FcChar8 *)l->value.u.s);
- break;
- case FcTypeMatrix:
- FcMatrixFree ((FcMatrix *)l->value.u.m);
- break;
- case FcTypeCharSet:
- FcCharSetDestroy
- ((FcCharSet *) (l->value.u.c));
- break;
- case FcTypeLangSet:
- FcLangSetDestroy
- ((FcLangSet *) (l->value.u.l));
- break;
- default:
- break;
- }
- next = FcValueListNext(l);
- FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList));
- free(l);
- }
-}
-
-FcBool
-FcValueEqual (FcValue va, FcValue vb)
-{
- if (va.type != vb.type)
- {
- if (va.type == FcTypeInteger)
- {
- va.type = FcTypeDouble;
- va.u.d = va.u.i;
- }
- if (vb.type == FcTypeInteger)
- {
- vb.type = FcTypeDouble;
- vb.u.d = vb.u.i;
- }
- if (va.type != vb.type)
- return FcFalse;
- }
- switch (va.type) {
- case FcTypeVoid:
- return FcTrue;
- case FcTypeInteger:
- return va.u.i == vb.u.i;
- case FcTypeDouble:
- return va.u.d == vb.u.d;
- case FcTypeString:
- return FcStrCmpIgnoreCase (va.u.s, vb.u.s) == 0;
- case FcTypeBool:
- return va.u.b == vb.u.b;
- case FcTypeMatrix:
- return FcMatrixEqual (va.u.m, vb.u.m);
- case FcTypeCharSet:
- return FcCharSetEqual (va.u.c, vb.u.c);
- case FcTypeFTFace:
- return va.u.f == vb.u.f;
- case FcTypeLangSet:
- return FcLangSetEqual (va.u.l, vb.u.l);
- }
- return FcFalse;
-}
-
-static FcChar32
-FcDoubleHash (double d)
-{
- if (d < 0)
- d = -d;
- if (d > 0xffffffff)
- d = 0xffffffff;
- return (FcChar32) d;
-}
-
-FcChar32
-FcStringHash (const FcChar8 *s)
-{
- FcChar8 c;
- FcChar32 h = 0;
-
- if (s)
- while ((c = *s++))
- h = ((h << 1) | (h >> 31)) ^ c;
- return h;
-}
-
-static FcChar32
-FcValueHash (const FcValue *v)
-{
- switch (v->type) {
- case FcTypeVoid:
- return 0;
- case FcTypeInteger:
- return (FcChar32) v->u.i;
- case FcTypeDouble:
- return FcDoubleHash (v->u.d);
- case FcTypeString:
- return FcStringHash (FcValueString(v));
- case FcTypeBool:
- return (FcChar32) v->u.b;
- case FcTypeMatrix:
- return (FcDoubleHash (v->u.m->xx) ^
- FcDoubleHash (v->u.m->xy) ^
- FcDoubleHash (v->u.m->yx) ^
- FcDoubleHash (v->u.m->yy));
- case FcTypeCharSet:
- return (FcChar32) FcValueCharSet(v)->num;
- case FcTypeFTFace:
- return FcStringHash ((const FcChar8 *) ((FT_Face) v->u.f)->family_name) ^
- FcStringHash ((const FcChar8 *) ((FT_Face) v->u.f)->style_name);
- case FcTypeLangSet:
- return FcLangSetHash (FcValueLangSet(v));
- }
- return FcFalse;
-}
-
-static FcBool
-FcValueListEqual (FcValueListPtr la, FcValueListPtr lb)
-{
- if (la == lb)
- return FcTrue;
-
- while (la && lb)
- {
- if (!FcValueEqual (la->value, lb->value))
- return FcFalse;
- la = FcValueListNext(la);
- lb = FcValueListNext(lb);
- }
- if (la || lb)
- return FcFalse;
- return FcTrue;
-}
-
-static FcChar32
-FcValueListHash (FcValueListPtr l)
-{
- FcChar32 hash = 0;
-
- for (; l; l = FcValueListNext(l))
- {
- hash = ((hash << 1) | (hash >> 31)) ^ FcValueHash (&l->value);
- }
- return hash;
-}
-
-void
-FcPatternDestroy (FcPattern *p)
-{
- int i;
- FcPatternElt *elts;
-
- if (p->ref == FC_REF_CONSTANT)
- {
- FcCacheObjectDereference (p);
- return;
- }
-
- if (--p->ref > 0)
- return;
-
- elts = FcPatternElts (p);
- for (i = 0; i < p->num; i++)
- FcValueListDestroy (FcPatternEltValues(&elts[i]));
-
- FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt));
- free (elts);
- FcMemFree (FC_MEM_PATTERN, sizeof (FcPattern));
- free (p);
-}
-
-static int
-FcPatternObjectPosition (const FcPattern *p, FcObject object)
-{
- int low, high, mid, c;
- FcPatternElt *elts = FcPatternElts(p);
-
- low = 0;
- high = p->num - 1;
- c = 1;
- mid = 0;
- while (low <= high)
- {
- mid = (low + high) >> 1;
- c = elts[mid].object - object;
- if (c == 0)
- return mid;
- if (c < 0)
- low = mid + 1;
- else
- high = mid - 1;
- }
- if (c < 0)
- mid++;
- return -(mid + 1);
-}
-
-FcPatternElt *
-FcPatternObjectFindElt (const FcPattern *p, FcObject object)
-{
- int i = FcPatternObjectPosition (p, object);
- if (i < 0)
- return 0;
- return &FcPatternElts(p)[i];
-}
-
-FcPatternElt *
-FcPatternObjectInsertElt (FcPattern *p, FcObject object)
-{
- int i;
- FcPatternElt *e;
-
- i = FcPatternObjectPosition (p, object);
- if (i < 0)
- {
- i = -i - 1;
-
- /* reallocate array */
- if (p->num + 1 >= p->size)
- {
- int s = p->size + 16;
- if (p->size)
- {
- FcPatternElt *e0 = FcPatternElts(p);
- e = (FcPatternElt *) realloc (e0, s * sizeof (FcPatternElt));
- if (!e) /* maybe it was mmapped */
- {
- e = malloc(s * sizeof (FcPatternElt));
- if (e)
- memcpy(e, e0, p->num * sizeof (FcPatternElt));
- }
- }
- else
- e = (FcPatternElt *) malloc (s * sizeof (FcPatternElt));
- if (!e)
- return FcFalse;
- p->elts_offset = FcPtrToOffset (p, e);
- if (p->size)
- FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt));
- FcMemAlloc (FC_MEM_PATELT, s * sizeof (FcPatternElt));
- while (p->size < s)
- {
- e[p->size].object = 0;
- e[p->size].values = NULL;
- p->size++;
- }
- }
-
- e = FcPatternElts(p);
- /* move elts up */
- memmove (e + i + 1,
- e + i,
- sizeof (FcPatternElt) *
- (p->num - i));
-
- /* bump count */
- p->num++;
-
- e[i].object = object;
- e[i].values = NULL;
- }
-
- return FcPatternElts(p) + i;
-}
-
-FcBool
-FcPatternEqual (const FcPattern *pa, const FcPattern *pb)
-{
- int i;
- FcPatternElt *pae, *pbe;
-
- if (pa == pb)
- return FcTrue;
-
- if (pa->num != pb->num)
- return FcFalse;
- pae = FcPatternElts(pa);
- pbe = FcPatternElts(pb);
- for (i = 0; i < pa->num; i++)
- {
- if (pae[i].object != pbe[i].object)
- return FcFalse;
- if (!FcValueListEqual (FcPatternEltValues(&pae[i]),
- FcPatternEltValues(&pbe[i])))
- return FcFalse;
- }
- return FcTrue;
-}
-
-FcChar32
-FcPatternHash (const FcPattern *p)
-{
- int i;
- FcChar32 h = 0;
- FcPatternElt *pe = FcPatternElts(p);
-
- for (i = 0; i < p->num; i++)
- {
- h = (((h << 1) | (h >> 31)) ^
- pe[i].object ^
- FcValueListHash (FcPatternEltValues(&pe[i])));
- }
- return h;
-}
-
-FcBool
-FcPatternEqualSubset (const FcPattern *pai, const FcPattern *pbi, const FcObjectSet *os)
-{
- FcPatternElt *ea, *eb;
- int i;
-
- for (i = 0; i < os->nobject; i++)
- {
- FcObject object = FcObjectFromName (os->objects[i]);
- ea = FcPatternObjectFindElt (pai, object);
- eb = FcPatternObjectFindElt (pbi, object);
- if (ea)
- {
- if (!eb)
- return FcFalse;
- if (!FcValueListEqual (FcPatternEltValues(ea), FcPatternEltValues(eb)))
- return FcFalse;
- }
- else
- {
- if (eb)
- return FcFalse;
- }
- }
- return FcTrue;
-}
-
-FcBool
-FcPatternObjectAddWithBinding (FcPattern *p,
- FcObject object,
- FcValue value,
- FcValueBinding binding,
- FcBool append)
-{
- FcPatternElt *e;
- FcValueListPtr new, *prev;
-
- if (p->ref == FC_REF_CONSTANT)
- goto bail0;
-
- new = malloc (sizeof (FcValueList));
- if (!new)
- goto bail0;
-
- memset(new, 0, sizeof (FcValueList));
- FcMemAlloc (FC_MEM_VALLIST, sizeof (FcValueList));
- value = FcValueSave (value);
- if (value.type == FcTypeVoid)
- goto bail1;
-
- /*
- * Make sure the stored type is valid for built-in objects
- */
- if (!FcObjectValidType (object, value.type))
- {
- if (FcDebug() & FC_DBG_OBJTYPES)
- {
- printf ("FcPattern object %s does not accept value ",
- FcObjectName (object));
- FcValuePrint (value);
- }
- goto bail1;
- }
-
- new->value = value;
- new->binding = binding;
- new->next = NULL;
-
- e = FcPatternObjectInsertElt (p, object);
- if (!e)
- goto bail2;
-
- if (append)
- {
- for (prev = &e->values; *prev; prev = &(*prev)->next)
- ;
- *prev = new;
- }
- else
- {
- new->next = e->values;
- e->values = new;
- }
-
- return FcTrue;
-
-bail2:
- FcValueDestroy (value);
-bail1:
- FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList));
- free (new);
-bail0:
- return FcFalse;
-}
-
-FcBool
-FcPatternObjectAdd (FcPattern *p, FcObject object, FcValue value, FcBool append)
-{
- return FcPatternObjectAddWithBinding (p, object,
- value, FcValueBindingStrong, append);
-}
-
-FcBool
-FcPatternAdd (FcPattern *p, const char *object, FcValue value, FcBool append)
-{
- return FcPatternObjectAddWithBinding (p, FcObjectFromName (object),
- value, FcValueBindingStrong, append);
-}
-
-FcBool
-FcPatternAddWeak (FcPattern *p, const char *object, FcValue value, FcBool append)
-{
- return FcPatternObjectAddWithBinding (p, FcObjectFromName (object),
- value, FcValueBindingWeak, append);
-}
-
-FcBool
-FcPatternObjectDel (FcPattern *p, FcObject object)
-{
- FcPatternElt *e;
-
- e = FcPatternObjectFindElt (p, object);
- if (!e)
- return FcFalse;
-
- /* destroy value */
- FcValueListDestroy (e->values);
-
- /* shuffle existing ones down */
- memmove (e, e+1,
- (FcPatternElts(p) + p->num - (e + 1)) *
- sizeof (FcPatternElt));
- p->num--;
- e = FcPatternElts(p) + p->num;
- e->object = 0;
- e->values = NULL;
- return FcTrue;
-}
-
-FcBool
-FcPatternDel (FcPattern *p, const char *object)
-{
- return FcPatternObjectDel (p, FcObjectFromName (object));
-}
-
-FcBool
-FcPatternRemove (FcPattern *p, const char *object, int id)
-{
- FcPatternElt *e;
- FcValueListPtr *prev, l;
-
- e = FcPatternObjectFindElt (p, FcObjectFromName (object));
- if (!e)
- return FcFalse;
- for (prev = &e->values; (l = *prev); prev = &l->next)
- {
- if (!id)
- {
- *prev = l->next;
- l->next = NULL;
- FcValueListDestroy (l);
- if (!e->values)
- FcPatternDel (p, object);
- return FcTrue;
- }
- id--;
- }
- return FcFalse;
-}
-
-FcBool
-FcPatternObjectAddInteger (FcPattern *p, FcObject object, int i)
-{
- FcValue v;
-
- v.type = FcTypeInteger;
- v.u.i = i;
- return FcPatternObjectAdd (p, object, v, FcTrue);
-}
-
-FcBool
-FcPatternAddInteger (FcPattern *p, const char *object, int i)
-{
- return FcPatternObjectAddInteger (p, FcObjectFromName (object), i);
-}
-
-FcBool
-FcPatternObjectAddDouble (FcPattern *p, FcObject object, double d)
-{
- FcValue v;
-
- v.type = FcTypeDouble;
- v.u.d = d;
- return FcPatternObjectAdd (p, object, v, FcTrue);
-}
-
-
-FcBool
-FcPatternAddDouble (FcPattern *p, const char *object, double d)
-{
- return FcPatternObjectAddDouble (p, FcObjectFromName (object), d);
-}
-
-FcBool
-FcPatternObjectAddString (FcPattern *p, FcObject object, const FcChar8 *s)
-{
- FcValue v;
-
- if (!s)
- {
- v.type = FcTypeVoid;
- v.u.s = 0;
- return FcPatternObjectAdd (p, object, v, FcTrue);
- }
-
- v.type = FcTypeString;
- v.u.s = FcStrStaticName(s);
- return FcPatternObjectAdd (p, object, v, FcTrue);
-}
-
-FcBool
-FcPatternAddString (FcPattern *p, const char *object, const FcChar8 *s)
-{
- return FcPatternObjectAddString (p, FcObjectFromName (object), s);
-}
-
-FcBool
-FcPatternAddMatrix (FcPattern *p, const char *object, const FcMatrix *s)
-{
- FcValue v;
-
- v.type = FcTypeMatrix;
- v.u.m = s;
- return FcPatternAdd (p, object, v, FcTrue);
-}
-
-
-FcBool
-FcPatternObjectAddBool (FcPattern *p, FcObject object, FcBool b)
-{
- FcValue v;
-
- v.type = FcTypeBool;
- v.u.b = b;
- return FcPatternObjectAdd (p, object, v, FcTrue);
-}
-
-FcBool
-FcPatternAddBool (FcPattern *p, const char *object, FcBool b)
-{
- return FcPatternObjectAddBool (p, FcObjectFromName (object), b);
-}
-
-FcBool
-FcPatternAddCharSet (FcPattern *p, const char *object, const FcCharSet *c)
-{
- FcValue v;
-
- v.type = FcTypeCharSet;
- v.u.c = (FcCharSet *)c;
- return FcPatternAdd (p, object, v, FcTrue);
-}
-
-FcBool
-FcPatternAddFTFace (FcPattern *p, const char *object, const FT_Face f)
-{
- FcValue v;
-
- v.type = FcTypeFTFace;
- v.u.f = (void *) f;
- return FcPatternAdd (p, object, v, FcTrue);
-}
-
-FcBool
-FcPatternAddLangSet (FcPattern *p, const char *object, const FcLangSet *ls)
-{
- FcValue v;
-
- v.type = FcTypeLangSet;
- v.u.l = (FcLangSet *)ls;
- return FcPatternAdd (p, object, v, FcTrue);
-}
-
-FcResult
-FcPatternObjectGet (const FcPattern *p, FcObject object, int id, FcValue *v)
-{
- FcPatternElt *e;
- FcValueListPtr l;
-
- e = FcPatternObjectFindElt (p, object);
- if (!e)
- return FcResultNoMatch;
- for (l = FcPatternEltValues(e); l; l = FcValueListNext(l))
- {
- if (!id)
- {
- *v = FcValueCanonicalize(&l->value);
- return FcResultMatch;
- }
- id--;
- }
- return FcResultNoId;
-}
-
-FcResult
-FcPatternGet (const FcPattern *p, const char *object, int id, FcValue *v)
-{
- return FcPatternObjectGet (p, FcObjectFromName (object), id, v);
-}
-
-FcResult
-FcPatternObjectGetInteger (const FcPattern *p, FcObject object, int id, int *i)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternObjectGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- switch (v.type) {
- case FcTypeDouble:
- *i = (int) v.u.d;
- break;
- case FcTypeInteger:
- *i = v.u.i;
- break;
- default:
- return FcResultTypeMismatch;
- }
- return FcResultMatch;
-}
-
-FcResult
-FcPatternGetInteger (const FcPattern *p, const char *object, int id, int *i)
-{
- return FcPatternObjectGetInteger (p, FcObjectFromName (object), id, i);
-}
-
-
-FcResult
-FcPatternObjectGetDouble (const FcPattern *p, FcObject object, int id, double *d)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternObjectGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- switch (v.type) {
- case FcTypeDouble:
- *d = v.u.d;
- break;
- case FcTypeInteger:
- *d = (double) v.u.i;
- break;
- default:
- return FcResultTypeMismatch;
- }
- return FcResultMatch;
-}
-
-FcResult
-FcPatternGetDouble (const FcPattern *p, const char *object, int id, double *d)
-{
- return FcPatternObjectGetDouble (p, FcObjectFromName (object), id, d);
-}
-
-FcResult
-FcPatternObjectGetString (const FcPattern *p, FcObject object, int id, FcChar8 ** s)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternObjectGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- if (v.type != FcTypeString)
- return FcResultTypeMismatch;
-
- *s = (FcChar8 *) v.u.s;
- return FcResultMatch;
-}
-
-FcResult
-FcPatternGetString (const FcPattern *p, const char *object, int id, FcChar8 ** s)
-{
- return FcPatternObjectGetString (p, FcObjectFromName (object), id, s);
-}
-
-FcResult
-FcPatternGetMatrix(const FcPattern *p, const char *object, int id, FcMatrix **m)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- if (v.type != FcTypeMatrix)
- return FcResultTypeMismatch;
- *m = (FcMatrix *)v.u.m;
- return FcResultMatch;
-}
-
-
-FcResult
-FcPatternGetBool(const FcPattern *p, const char *object, int id, FcBool *b)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- if (v.type != FcTypeBool)
- return FcResultTypeMismatch;
- *b = v.u.b;
- return FcResultMatch;
-}
-
-FcResult
-FcPatternGetCharSet(const FcPattern *p, const char *object, int id, FcCharSet **c)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- if (v.type != FcTypeCharSet)
- return FcResultTypeMismatch;
- *c = (FcCharSet *)v.u.c;
- return FcResultMatch;
-}
-
-FcResult
-FcPatternGetFTFace(const FcPattern *p, const char *object, int id, FT_Face *f)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- if (v.type != FcTypeFTFace)
- return FcResultTypeMismatch;
- *f = (FT_Face) v.u.f;
- return FcResultMatch;
-}
-
-FcResult
-FcPatternGetLangSet(const FcPattern *p, const char *object, int id, FcLangSet **ls)
-{
- FcValue v;
- FcResult r;
-
- r = FcPatternGet (p, object, id, &v);
- if (r != FcResultMatch)
- return r;
- if (v.type != FcTypeLangSet)
- return FcResultTypeMismatch;
- *ls = (FcLangSet *)v.u.l;
- return FcResultMatch;
-}
-
-FcPattern *
-FcPatternDuplicate (const FcPattern *orig)
-{
- FcPattern *new;
- FcPatternElt *e;
- int i;
- FcValueListPtr l;
-
- new = FcPatternCreate ();
- if (!new)
- goto bail0;
-
- e = FcPatternElts(orig);
-
- for (i = 0; i < orig->num; i++)
- {
- for (l = FcPatternEltValues(e + i); l; l = FcValueListNext(l))
- {
- if (!FcPatternObjectAddWithBinding (new, e[i].object,
- FcValueCanonicalize(&l->value),
- l->binding,
- FcTrue))
- goto bail1;
-
- }
- }
-
- return new;
-
-bail1:
- FcPatternDestroy (new);
-bail0:
- return 0;
-}
-
-void
-FcPatternReference (FcPattern *p)
-{
- if (p->ref != FC_REF_CONSTANT)
- p->ref++;
- else
- FcCacheObjectReference (p);
-}
-
-FcPattern *
-FcPatternVaBuild (FcPattern *p, va_list va)
-{
- FcPattern *ret;
-
- FcPatternVapBuild (ret, p, va);
- return ret;
-}
-
-FcPattern *
-FcPatternBuild (FcPattern *p, ...)
-{
- va_list va;
-
- va_start (va, p);
- FcPatternVapBuild (p, p, va);
- va_end (va);
- return p;
-}
-
-/*
- * Add all of the elements in 's' to 'p'
- */
-FcBool
-FcPatternAppend (FcPattern *p, FcPattern *s)
-{
- int i;
- FcPatternElt *e;
- FcValueListPtr v;
-
- for (i = 0; i < s->num; i++)
- {
- e = FcPatternElts(s)+i;
- for (v = FcPatternEltValues(e); v; v = FcValueListNext(v))
- {
- if (!FcPatternObjectAddWithBinding (p, e->object,
- FcValueCanonicalize(&v->value),
- v->binding, FcTrue))
- return FcFalse;
- }
- }
- return FcTrue;
-}
-
-FcPattern *
-FcPatternFilter (FcPattern *p, const FcObjectSet *os)
-{
- int i;
- FcPattern *ret;
- FcPatternElt *e;
- FcValueListPtr v;
-
- if (!os)
- return FcPatternDuplicate (p);
-
- ret = FcPatternCreate ();
- if (!ret)
- return NULL;
-
- for (i = 0; i < os->nobject; i++)
- {
- FcObject object = FcObjectFromName (os->objects[i]);
- e = FcPatternObjectFindElt (p, object);
- if (e)
- {
- for (v = FcPatternEltValues(e); v; v = FcValueListNext(v))
- {
- if (!FcPatternObjectAddWithBinding (ret, e->object,
- FcValueCanonicalize(&v->value),
- v->binding, FcTrue))
- goto bail0;
- }
- }
- }
- return ret;
-
-bail0:
- FcPatternDestroy (ret);
- return NULL;
-}
-
-#define OBJECT_HASH_SIZE 31
-static struct objectBucket {
- struct objectBucket *next;
- FcChar32 hash;
-} *FcObjectBuckets[OBJECT_HASH_SIZE];
-
-static FcBool
-FcHashOwnsName (const FcChar8 *name)
-{
- FcChar32 hash = FcStringHash (name);
- struct objectBucket **p;
- struct objectBucket *b;
-
- for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next))
- if (b->hash == hash && ((char *)name == (char *) (b + 1)))
- return FcTrue;
- return FcFalse;
-}
-
-const FcChar8 *
-FcStrStaticName (const FcChar8 *name)
-{
- FcChar32 hash = FcStringHash (name);
- struct objectBucket **p;
- struct objectBucket *b;
- int size;
-
- for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next))
- if (b->hash == hash && !strcmp ((char *)name, (char *) (b + 1)))
- return (FcChar8 *) (b + 1);
- size = sizeof (struct objectBucket) + strlen ((char *)name) + 1;
- /*
- * workaround valgrind warning because glibc takes advantage of how it knows memory is
- * allocated to implement strlen by reading in groups of 4
- */
- size = (size + 3) & ~3;
- b = malloc (size);
- FcMemAlloc (FC_MEM_STATICSTR, size);
- if (!b)
- return NULL;
- b->next = 0;
- b->hash = hash;
- strcpy ((char *) (b + 1), (char *)name);
- *p = b;
- return (FcChar8 *) (b + 1);
-}
-
-static void
-FcStrStaticNameFini (void)
-{
- int i, size;
- struct objectBucket *b, *next;
- char *name;
-
- for (i = 0; i < OBJECT_HASH_SIZE; i++)
- {
- for (b = FcObjectBuckets[i]; b; b = next)
- {
- next = b->next;
- name = (char *) (b + 1);
- size = sizeof (struct objectBucket) + strlen (name) + 1;
- FcMemFree (FC_MEM_STATICSTR, size + sizeof (int));
- free (b);
- }
- FcObjectBuckets[i] = 0;
- }
-}
-
-void
-FcPatternFini (void)
-{
- FcStrStaticNameFini ();
- FcObjectFini ();
-}
-
-FcBool
-FcPatternSerializeAlloc (FcSerialize *serialize, const FcPattern *pat)
-{
- int i;
- FcPatternElt *elts = FcPatternElts(pat);
-
- if (!FcSerializeAlloc (serialize, pat, sizeof (FcPattern)))
- return FcFalse;
- if (!FcSerializeAlloc (serialize, elts, pat->num * sizeof (FcPatternElt)))
- return FcFalse;
- for (i = 0; i < pat->num; i++)
- if (!FcValueListSerializeAlloc (serialize, FcPatternEltValues(elts+i)))
- return FcFalse;
- return FcTrue;
-}
-
-FcPattern *
-FcPatternSerialize (FcSerialize *serialize, const FcPattern *pat)
-{
- FcPattern *pat_serialized;
- FcPatternElt *elts = FcPatternElts (pat);
- FcPatternElt *elts_serialized;
- FcValueList *values_serialized;
- int i;
-
- pat_serialized = FcSerializePtr (serialize, pat);
- if (!pat_serialized)
- return NULL;
- *pat_serialized = *pat;
- pat_serialized->size = pat->num;
- pat_serialized->ref = FC_REF_CONSTANT;
-
- elts_serialized = FcSerializePtr (serialize, elts);
- if (!elts_serialized)
- return NULL;
-
- pat_serialized->elts_offset = FcPtrToOffset (pat_serialized,
- elts_serialized);
-
- for (i = 0; i < pat->num; i++)
- {
- values_serialized = FcValueListSerialize (serialize, FcPatternEltValues (elts+i));
- if (!values_serialized)
- return NULL;
- elts_serialized[i].object = elts[i].object;
- elts_serialized[i].values = FcPtrToEncodedOffset (&elts_serialized[i],
- values_serialized,
- FcValueList);
- }
- if (FcDebug() & FC_DBG_CACHEV) {
- printf ("Raw pattern:\n");
- FcPatternPrint (pat);
- printf ("Serialized pattern:\n");
- FcPatternPrint (pat_serialized);
- printf ("\n");
- }
- return pat_serialized;
-}
-
-FcBool
-FcValueListSerializeAlloc (FcSerialize *serialize, const FcValueList *vl)
-{
- while (vl)
- {
- if (!FcSerializeAlloc (serialize, vl, sizeof (FcValueList)))
- return FcFalse;
- switch (vl->value.type) {
- case FcTypeString:
- if (!FcStrSerializeAlloc (serialize, vl->value.u.s))
- return FcFalse;
- break;
- case FcTypeCharSet:
- if (!FcCharSetSerializeAlloc (serialize, vl->value.u.c))
- return FcFalse;
- break;
- case FcTypeLangSet:
- if (!FcLangSetSerializeAlloc (serialize, vl->value.u.l))
- return FcFalse;
- break;
- default:
- break;
- }
- vl = vl->next;
- }
- return FcTrue;
-}
-
-FcValueList *
-FcValueListSerialize (FcSerialize *serialize, const FcValueList *vl)
-{
- FcValueList *vl_serialized;
- FcChar8 *s_serialized;
- FcCharSet *c_serialized;
- FcLangSet *l_serialized;
- FcValueList *head_serialized = NULL;
- FcValueList *prev_serialized = NULL;
-
- while (vl)
- {
- vl_serialized = FcSerializePtr (serialize, vl);
- if (!vl_serialized)
- return NULL;
-
- if (prev_serialized)
- prev_serialized->next = FcPtrToEncodedOffset (prev_serialized,
- vl_serialized,
- FcValueList);
- else
- head_serialized = vl_serialized;
-
- vl_serialized->next = NULL;
- vl_serialized->value.type = vl->value.type;
- switch (vl->value.type) {
- case FcTypeInteger:
- vl_serialized->value.u.i = vl->value.u.i;
- break;
- case FcTypeDouble:
- vl_serialized->value.u.d = vl->value.u.d;
- break;
- case FcTypeString:
- s_serialized = FcStrSerialize (serialize, vl->value.u.s);
- if (!s_serialized)
- return NULL;
- vl_serialized->value.u.s = FcPtrToEncodedOffset (&vl_serialized->value,
- s_serialized,
- FcChar8);
- break;
- case FcTypeBool:
- vl_serialized->value.u.b = vl->value.u.b;
- break;
- case FcTypeMatrix:
- /* can't happen */
- break;
- case FcTypeCharSet:
- c_serialized = FcCharSetSerialize (serialize, vl->value.u.c);
- if (!c_serialized)
- return NULL;
- vl_serialized->value.u.c = FcPtrToEncodedOffset (&vl_serialized->value,
- c_serialized,
- FcCharSet);
- break;
- case FcTypeFTFace:
- /* can't happen */
- break;
- case FcTypeLangSet:
- l_serialized = FcLangSetSerialize (serialize, vl->value.u.l);
- if (!l_serialized)
- return NULL;
- vl_serialized->value.u.l = FcPtrToEncodedOffset (&vl_serialized->value,
- l_serialized,
- FcLangSet);
- break;
- default:
- break;
- }
- prev_serialized = vl_serialized;
- vl = vl->next;
- }
- return head_serialized;
-}
-#define __fcpat__
-#include "fcaliastail.h"
-#include "fcftaliastail.h"
-#undef __fcpat__
+/* + * 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" +#include "fcftint.h" +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +static FcBool +FcHashOwnsName(const FcChar8 *name); + +FcPattern * +FcPatternCreate (void) +{ + FcPattern *p; + + p = (FcPattern *) malloc (sizeof (FcPattern)); + if (!p) + return 0; + FcMemAlloc (FC_MEM_PATTERN, sizeof (FcPattern)); + p->num = 0; + p->size = 0; + p->elts_offset = FcPtrToOffset (p, NULL); + p->ref = 1; + return p; +} + +void +FcValueDestroy (FcValue v) +{ + switch (v.type) { + case FcTypeString: + if (!FcHashOwnsName(v.u.s)) + FcStrFree ((FcChar8 *) v.u.s); + break; + case FcTypeMatrix: + FcMatrixFree ((FcMatrix *) v.u.m); + break; + case FcTypeCharSet: + FcCharSetDestroy ((FcCharSet *) v.u.c); + break; + case FcTypeLangSet: + FcLangSetDestroy ((FcLangSet *) v.u.l); + break; + default: + break; + } +} + +FcValue +FcValueCanonicalize (const FcValue *v) +{ + FcValue new; + + switch (v->type) + { + case FcTypeString: + new.u.s = FcValueString(v); + new.type = FcTypeString; + break; + case FcTypeCharSet: + new.u.c = FcValueCharSet(v); + new.type = FcTypeCharSet; + break; + case FcTypeLangSet: + new.u.l = FcValueLangSet(v); + new.type = FcTypeLangSet; + break; + default: + new = *v; + break; + } + return new; +} + +FcValue +FcValueSave (FcValue v) +{ + switch (v.type) { + case FcTypeString: + v.u.s = FcStrStaticName (v.u.s); + if (!v.u.s) + v.type = FcTypeVoid; + break; + case FcTypeMatrix: + v.u.m = FcMatrixCopy (v.u.m); + if (!v.u.m) + v.type = FcTypeVoid; + break; + case FcTypeCharSet: + v.u.c = FcCharSetCopy ((FcCharSet *) v.u.c); + if (!v.u.c) + v.type = FcTypeVoid; + break; + case FcTypeLangSet: + v.u.l = FcLangSetCopy (v.u.l); + if (!v.u.l) + v.type = FcTypeVoid; + break; + default: + break; + } + return v; +} + +void +FcValueListDestroy (FcValueListPtr l) +{ + FcValueListPtr next; + for (; l; l = next) + { + switch (l->value.type) { + case FcTypeString: + if (!FcHashOwnsName((FcChar8 *)l->value.u.s)) + FcStrFree ((FcChar8 *)l->value.u.s); + break; + case FcTypeMatrix: + FcMatrixFree ((FcMatrix *)l->value.u.m); + break; + case FcTypeCharSet: + FcCharSetDestroy + ((FcCharSet *) (l->value.u.c)); + break; + case FcTypeLangSet: + FcLangSetDestroy + ((FcLangSet *) (l->value.u.l)); + break; + default: + break; + } + next = FcValueListNext(l); + FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList)); + free(l); + } +} + +FcBool +FcValueEqual (FcValue va, FcValue vb) +{ + if (va.type != vb.type) + { + if (va.type == FcTypeInteger) + { + va.type = FcTypeDouble; + va.u.d = va.u.i; + } + if (vb.type == FcTypeInteger) + { + vb.type = FcTypeDouble; + vb.u.d = vb.u.i; + } + if (va.type != vb.type) + return FcFalse; + } + switch (va.type) { + case FcTypeVoid: + return FcTrue; + case FcTypeInteger: + return va.u.i == vb.u.i; + case FcTypeDouble: + return va.u.d == vb.u.d; + case FcTypeString: + return FcStrCmpIgnoreCase (va.u.s, vb.u.s) == 0; + case FcTypeBool: + return va.u.b == vb.u.b; + case FcTypeMatrix: + return FcMatrixEqual (va.u.m, vb.u.m); + case FcTypeCharSet: + return FcCharSetEqual (va.u.c, vb.u.c); + case FcTypeFTFace: + return va.u.f == vb.u.f; + case FcTypeLangSet: + return FcLangSetEqual (va.u.l, vb.u.l); + } + return FcFalse; +} + +static FcChar32 +FcDoubleHash (double d) +{ + if (d < 0) + d = -d; + if (d > 0xffffffff) + d = 0xffffffff; + return (FcChar32) d; +} + +FcChar32 +FcStringHash (const FcChar8 *s) +{ + FcChar8 c; + FcChar32 h = 0; + + if (s) + while ((c = *s++)) + h = ((h << 1) | (h >> 31)) ^ c; + return h; +} + +static FcChar32 +FcValueHash (const FcValue *v) +{ + switch (v->type) { + case FcTypeVoid: + return 0; + case FcTypeInteger: + return (FcChar32) v->u.i; + case FcTypeDouble: + return FcDoubleHash (v->u.d); + case FcTypeString: + return FcStringHash (FcValueString(v)); + case FcTypeBool: + return (FcChar32) v->u.b; + case FcTypeMatrix: + return (FcDoubleHash (v->u.m->xx) ^ + FcDoubleHash (v->u.m->xy) ^ + FcDoubleHash (v->u.m->yx) ^ + FcDoubleHash (v->u.m->yy)); + case FcTypeCharSet: + return (FcChar32) FcValueCharSet(v)->num; + case FcTypeFTFace: + return FcStringHash ((const FcChar8 *) ((FT_Face) v->u.f)->family_name) ^ + FcStringHash ((const FcChar8 *) ((FT_Face) v->u.f)->style_name); + case FcTypeLangSet: + return FcLangSetHash (FcValueLangSet(v)); + } + return FcFalse; +} + +static FcBool +FcValueListEqual (FcValueListPtr la, FcValueListPtr lb) +{ + if (la == lb) + return FcTrue; + + while (la && lb) + { + if (!FcValueEqual (la->value, lb->value)) + return FcFalse; + la = FcValueListNext(la); + lb = FcValueListNext(lb); + } + if (la || lb) + return FcFalse; + return FcTrue; +} + +static FcChar32 +FcValueListHash (FcValueListPtr l) +{ + FcChar32 hash = 0; + + for (; l; l = FcValueListNext(l)) + { + hash = ((hash << 1) | (hash >> 31)) ^ FcValueHash (&l->value); + } + return hash; +} + +void +FcPatternDestroy (FcPattern *p) +{ + int i; + FcPatternElt *elts; + + if (p->ref == FC_REF_CONSTANT) + { + FcCacheObjectDereference (p); + return; + } + + if (--p->ref > 0) + return; + + elts = FcPatternElts (p); + for (i = 0; i < p->num; i++) + FcValueListDestroy (FcPatternEltValues(&elts[i])); + + FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt)); + free (elts); + FcMemFree (FC_MEM_PATTERN, sizeof (FcPattern)); + free (p); +} + +static int +FcPatternObjectPosition (const FcPattern *p, FcObject object) +{ + int low, high, mid, c; + FcPatternElt *elts = FcPatternElts(p); + + low = 0; + high = p->num - 1; + c = 1; + mid = 0; + while (low <= high) + { + mid = (low + high) >> 1; + c = elts[mid].object - object; + if (c == 0) + return mid; + if (c < 0) + low = mid + 1; + else + high = mid - 1; + } + if (c < 0) + mid++; + return -(mid + 1); +} + +FcPatternElt * +FcPatternObjectFindElt (const FcPattern *p, FcObject object) +{ + int i = FcPatternObjectPosition (p, object); + if (i < 0) + return 0; + return &FcPatternElts(p)[i]; +} + +FcPatternElt * +FcPatternObjectInsertElt (FcPattern *p, FcObject object) +{ + int i; + FcPatternElt *e; + + i = FcPatternObjectPosition (p, object); + if (i < 0) + { + i = -i - 1; + + /* reallocate array */ + if (p->num + 1 >= p->size) + { + int s = p->size + 16; + if (p->size) + { + FcPatternElt *e0 = FcPatternElts(p); + e = (FcPatternElt *) realloc (e0, s * sizeof (FcPatternElt)); + if (!e) /* maybe it was mmapped */ + { + e = malloc(s * sizeof (FcPatternElt)); + if (e) + memcpy(e, e0, p->num * sizeof (FcPatternElt)); + } + } + else + e = (FcPatternElt *) malloc (s * sizeof (FcPatternElt)); + if (!e) + return FcFalse; + p->elts_offset = FcPtrToOffset (p, e); + if (p->size) + FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt)); + FcMemAlloc (FC_MEM_PATELT, s * sizeof (FcPatternElt)); + while (p->size < s) + { + e[p->size].object = 0; + e[p->size].values = NULL; + p->size++; + } + } + + e = FcPatternElts(p); + /* move elts up */ + memmove (e + i + 1, + e + i, + sizeof (FcPatternElt) * + (p->num - i)); + + /* bump count */ + p->num++; + + e[i].object = object; + e[i].values = NULL; + } + + return FcPatternElts(p) + i; +} + +FcBool +FcPatternEqual (const FcPattern *pa, const FcPattern *pb) +{ + int i; + FcPatternElt *pae, *pbe; + + if (pa == pb) + return FcTrue; + + if (pa->num != pb->num) + return FcFalse; + pae = FcPatternElts(pa); + pbe = FcPatternElts(pb); + for (i = 0; i < pa->num; i++) + { + if (pae[i].object != pbe[i].object) + return FcFalse; + if (!FcValueListEqual (FcPatternEltValues(&pae[i]), + FcPatternEltValues(&pbe[i]))) + return FcFalse; + } + return FcTrue; +} + +FcChar32 +FcPatternHash (const FcPattern *p) +{ + int i; + FcChar32 h = 0; + FcPatternElt *pe = FcPatternElts(p); + + for (i = 0; i < p->num; i++) + { + h = (((h << 1) | (h >> 31)) ^ + pe[i].object ^ + FcValueListHash (FcPatternEltValues(&pe[i]))); + } + return h; +} + +FcBool +FcPatternEqualSubset (const FcPattern *pai, const FcPattern *pbi, const FcObjectSet *os) +{ + FcPatternElt *ea, *eb; + int i; + + for (i = 0; i < os->nobject; i++) + { + FcObject object = FcObjectFromName (os->objects[i]); + ea = FcPatternObjectFindElt (pai, object); + eb = FcPatternObjectFindElt (pbi, object); + if (ea) + { + if (!eb) + return FcFalse; + if (!FcValueListEqual (FcPatternEltValues(ea), FcPatternEltValues(eb))) + return FcFalse; + } + else + { + if (eb) + return FcFalse; + } + } + return FcTrue; +} + +FcBool +FcPatternObjectAddWithBinding (FcPattern *p, + FcObject object, + FcValue value, + FcValueBinding binding, + FcBool append) +{ + FcPatternElt *e; + FcValueListPtr new, *prev; + + if (p->ref == FC_REF_CONSTANT) + goto bail0; + + new = malloc (sizeof (FcValueList)); + if (!new) + goto bail0; + + memset(new, 0, sizeof (FcValueList)); + FcMemAlloc (FC_MEM_VALLIST, sizeof (FcValueList)); + value = FcValueSave (value); + if (value.type == FcTypeVoid) + goto bail1; + + /* + * Make sure the stored type is valid for built-in objects + */ + if (!FcObjectValidType (object, value.type)) + { + if (FcDebug() & FC_DBG_OBJTYPES) + { + printf ("FcPattern object %s does not accept value ", + FcObjectName (object)); + FcValuePrint (value); + } + goto bail1; + } + + new->value = value; + new->binding = binding; + new->next = NULL; + + e = FcPatternObjectInsertElt (p, object); + if (!e) + goto bail2; + + if (append) + { + for (prev = &e->values; *prev; prev = &(*prev)->next) + ; + *prev = new; + } + else + { + new->next = e->values; + e->values = new; + } + + return FcTrue; + +bail2: + FcValueDestroy (value); +bail1: + FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList)); + free (new); +bail0: + return FcFalse; +} + +FcBool +FcPatternObjectAdd (FcPattern *p, FcObject object, FcValue value, FcBool append) +{ + return FcPatternObjectAddWithBinding (p, object, + value, FcValueBindingStrong, append); +} + +FcBool +FcPatternAdd (FcPattern *p, const char *object, FcValue value, FcBool append) +{ + return FcPatternObjectAddWithBinding (p, FcObjectFromName (object), + value, FcValueBindingStrong, append); +} + +FcBool +FcPatternAddWeak (FcPattern *p, const char *object, FcValue value, FcBool append) +{ + return FcPatternObjectAddWithBinding (p, FcObjectFromName (object), + value, FcValueBindingWeak, append); +} + +FcBool +FcPatternObjectDel (FcPattern *p, FcObject object) +{ + FcPatternElt *e; + + e = FcPatternObjectFindElt (p, object); + if (!e) + return FcFalse; + + /* destroy value */ + FcValueListDestroy (e->values); + + /* shuffle existing ones down */ + memmove (e, e+1, + (FcPatternElts(p) + p->num - (e + 1)) * + sizeof (FcPatternElt)); + p->num--; + e = FcPatternElts(p) + p->num; + e->object = 0; + e->values = NULL; + return FcTrue; +} + +FcBool +FcPatternDel (FcPattern *p, const char *object) +{ + return FcPatternObjectDel (p, FcObjectFromName (object)); +} + +FcBool +FcPatternRemove (FcPattern *p, const char *object, int id) +{ + FcPatternElt *e; + FcValueListPtr *prev, l; + + e = FcPatternObjectFindElt (p, FcObjectFromName (object)); + if (!e) + return FcFalse; + for (prev = &e->values; (l = *prev); prev = &l->next) + { + if (!id) + { + *prev = l->next; + l->next = NULL; + FcValueListDestroy (l); + if (!e->values) + FcPatternDel (p, object); + return FcTrue; + } + id--; + } + return FcFalse; +} + +FcBool +FcPatternObjectAddInteger (FcPattern *p, FcObject object, int i) +{ + FcValue v; + + v.type = FcTypeInteger; + v.u.i = i; + return FcPatternObjectAdd (p, object, v, FcTrue); +} + +FcBool +FcPatternAddInteger (FcPattern *p, const char *object, int i) +{ + return FcPatternObjectAddInteger (p, FcObjectFromName (object), i); +} + +FcBool +FcPatternObjectAddDouble (FcPattern *p, FcObject object, double d) +{ + FcValue v; + + v.type = FcTypeDouble; + v.u.d = d; + return FcPatternObjectAdd (p, object, v, FcTrue); +} + + +FcBool +FcPatternAddDouble (FcPattern *p, const char *object, double d) +{ + return FcPatternObjectAddDouble (p, FcObjectFromName (object), d); +} + +FcBool +FcPatternObjectAddString (FcPattern *p, FcObject object, const FcChar8 *s) +{ + FcValue v; + + if (!s) + { + v.type = FcTypeVoid; + v.u.s = 0; + return FcPatternObjectAdd (p, object, v, FcTrue); + } + + v.type = FcTypeString; + v.u.s = FcStrStaticName(s); + return FcPatternObjectAdd (p, object, v, FcTrue); +} + +FcBool +FcPatternAddString (FcPattern *p, const char *object, const FcChar8 *s) +{ + return FcPatternObjectAddString (p, FcObjectFromName (object), s); +} + +FcBool +FcPatternAddMatrix (FcPattern *p, const char *object, const FcMatrix *s) +{ + FcValue v; + + v.type = FcTypeMatrix; + v.u.m = s; + return FcPatternAdd (p, object, v, FcTrue); +} + + +FcBool +FcPatternObjectAddBool (FcPattern *p, FcObject object, FcBool b) +{ + FcValue v; + + v.type = FcTypeBool; + v.u.b = b; + return FcPatternObjectAdd (p, object, v, FcTrue); +} + +FcBool +FcPatternAddBool (FcPattern *p, const char *object, FcBool b) +{ + return FcPatternObjectAddBool (p, FcObjectFromName (object), b); +} + +FcBool +FcPatternAddCharSet (FcPattern *p, const char *object, const FcCharSet *c) +{ + FcValue v; + + v.type = FcTypeCharSet; + v.u.c = (FcCharSet *)c; + return FcPatternAdd (p, object, v, FcTrue); +} + +FcBool +FcPatternAddFTFace (FcPattern *p, const char *object, const FT_Face f) +{ + FcValue v; + + v.type = FcTypeFTFace; + v.u.f = (void *) f; + return FcPatternAdd (p, object, v, FcTrue); +} + +FcBool +FcPatternAddLangSet (FcPattern *p, const char *object, const FcLangSet *ls) +{ + FcValue v; + + v.type = FcTypeLangSet; + v.u.l = (FcLangSet *)ls; + return FcPatternAdd (p, object, v, FcTrue); +} + +FcResult +FcPatternObjectGet (const FcPattern *p, FcObject object, int id, FcValue *v) +{ + FcPatternElt *e; + FcValueListPtr l; + + e = FcPatternObjectFindElt (p, object); + if (!e) + return FcResultNoMatch; + for (l = FcPatternEltValues(e); l; l = FcValueListNext(l)) + { + if (!id) + { + *v = FcValueCanonicalize(&l->value); + return FcResultMatch; + } + id--; + } + return FcResultNoId; +} + +FcResult +FcPatternGet (const FcPattern *p, const char *object, int id, FcValue *v) +{ + return FcPatternObjectGet (p, FcObjectFromName (object), id, v); +} + +FcResult +FcPatternObjectGetInteger (const FcPattern *p, FcObject object, int id, int *i) +{ + FcValue v; + FcResult r; + + r = FcPatternObjectGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + switch (v.type) { + case FcTypeDouble: + *i = (int) v.u.d; + break; + case FcTypeInteger: + *i = v.u.i; + break; + default: + return FcResultTypeMismatch; + } + return FcResultMatch; +} + +FcResult +FcPatternGetInteger (const FcPattern *p, const char *object, int id, int *i) +{ + return FcPatternObjectGetInteger (p, FcObjectFromName (object), id, i); +} + + +FcResult +FcPatternObjectGetDouble (const FcPattern *p, FcObject object, int id, double *d) +{ + FcValue v; + FcResult r; + + r = FcPatternObjectGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + switch (v.type) { + case FcTypeDouble: + *d = v.u.d; + break; + case FcTypeInteger: + *d = (double) v.u.i; + break; + default: + return FcResultTypeMismatch; + } + return FcResultMatch; +} + +FcResult +FcPatternGetDouble (const FcPattern *p, const char *object, int id, double *d) +{ + return FcPatternObjectGetDouble (p, FcObjectFromName (object), id, d); +} + +FcResult +FcPatternObjectGetString (const FcPattern *p, FcObject object, int id, FcChar8 ** s) +{ + FcValue v; + FcResult r; + + r = FcPatternObjectGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + if (v.type != FcTypeString) + return FcResultTypeMismatch; + + *s = (FcChar8 *) v.u.s; + return FcResultMatch; +} + +FcResult +FcPatternGetString (const FcPattern *p, const char *object, int id, FcChar8 ** s) +{ + return FcPatternObjectGetString (p, FcObjectFromName (object), id, s); +} + +FcResult +FcPatternGetMatrix(const FcPattern *p, const char *object, int id, FcMatrix **m) +{ + FcValue v; + FcResult r; + + r = FcPatternGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + if (v.type != FcTypeMatrix) + return FcResultTypeMismatch; + *m = (FcMatrix *)v.u.m; + return FcResultMatch; +} + + +FcResult +FcPatternGetBool(const FcPattern *p, const char *object, int id, FcBool *b) +{ + FcValue v; + FcResult r; + + r = FcPatternGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + if (v.type != FcTypeBool) + return FcResultTypeMismatch; + *b = v.u.b; + return FcResultMatch; +} + +FcResult +FcPatternGetCharSet(const FcPattern *p, const char *object, int id, FcCharSet **c) +{ + FcValue v; + FcResult r; + + r = FcPatternGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + if (v.type != FcTypeCharSet) + return FcResultTypeMismatch; + *c = (FcCharSet *)v.u.c; + return FcResultMatch; +} + +FcResult +FcPatternGetFTFace(const FcPattern *p, const char *object, int id, FT_Face *f) +{ + FcValue v; + FcResult r; + + r = FcPatternGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + if (v.type != FcTypeFTFace) + return FcResultTypeMismatch; + *f = (FT_Face) v.u.f; + return FcResultMatch; +} + +FcResult +FcPatternGetLangSet(const FcPattern *p, const char *object, int id, FcLangSet **ls) +{ + FcValue v; + FcResult r; + + r = FcPatternGet (p, object, id, &v); + if (r != FcResultMatch) + return r; + if (v.type != FcTypeLangSet) + return FcResultTypeMismatch; + *ls = (FcLangSet *)v.u.l; + return FcResultMatch; +} + +FcPattern * +FcPatternDuplicate (const FcPattern *orig) +{ + FcPattern *new; + FcPatternElt *e; + int i; + FcValueListPtr l; + + new = FcPatternCreate (); + if (!new) + goto bail0; + + e = FcPatternElts(orig); + + for (i = 0; i < orig->num; i++) + { + for (l = FcPatternEltValues(e + i); l; l = FcValueListNext(l)) + { + if (!FcPatternObjectAddWithBinding (new, e[i].object, + FcValueCanonicalize(&l->value), + l->binding, + FcTrue)) + goto bail1; + + } + } + + return new; + +bail1: + FcPatternDestroy (new); +bail0: + return 0; +} + +void +FcPatternReference (FcPattern *p) +{ + if (p->ref != FC_REF_CONSTANT) + p->ref++; + else + FcCacheObjectReference (p); +} + +FcPattern * +FcPatternVaBuild (FcPattern *p, va_list va) +{ + FcPattern *ret; + + FcPatternVapBuild (ret, p, va); + return ret; +} + +FcPattern * +FcPatternBuild (FcPattern *p, ...) +{ + va_list va; + + va_start (va, p); + FcPatternVapBuild (p, p, va); + va_end (va); + return p; +} + +/* + * Add all of the elements in 's' to 'p' + */ +FcBool +FcPatternAppend (FcPattern *p, FcPattern *s) +{ + int i; + FcPatternElt *e; + FcValueListPtr v; + + for (i = 0; i < s->num; i++) + { + e = FcPatternElts(s)+i; + for (v = FcPatternEltValues(e); v; v = FcValueListNext(v)) + { + if (!FcPatternObjectAddWithBinding (p, e->object, + FcValueCanonicalize(&v->value), + v->binding, FcTrue)) + return FcFalse; + } + } + return FcTrue; +} + +FcPattern * +FcPatternFilter (FcPattern *p, const FcObjectSet *os) +{ + int i; + FcPattern *ret; + FcPatternElt *e; + FcValueListPtr v; + + if (!os) + return FcPatternDuplicate (p); + + ret = FcPatternCreate (); + if (!ret) + return NULL; + + for (i = 0; i < os->nobject; i++) + { + FcObject object = FcObjectFromName (os->objects[i]); + e = FcPatternObjectFindElt (p, object); + if (e) + { + for (v = FcPatternEltValues(e); v; v = FcValueListNext(v)) + { + if (!FcPatternObjectAddWithBinding (ret, e->object, + FcValueCanonicalize(&v->value), + v->binding, FcTrue)) + goto bail0; + } + } + } + return ret; + +bail0: + FcPatternDestroy (ret); + return NULL; +} + +#define OBJECT_HASH_SIZE 31 +static struct objectBucket { + struct objectBucket *next; + FcChar32 hash; +} *FcObjectBuckets[OBJECT_HASH_SIZE]; + +static FcBool +FcHashOwnsName (const FcChar8 *name) +{ + FcChar32 hash = FcStringHash (name); + struct objectBucket **p; + struct objectBucket *b; + + for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) + if (b->hash == hash && ((char *)name == (char *) (b + 1))) + return FcTrue; + return FcFalse; +} + +const FcChar8 * +FcStrStaticName (const FcChar8 *name) +{ + FcChar32 hash = FcStringHash (name); + struct objectBucket **p; + struct objectBucket *b; + int size; + + for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) + if (b->hash == hash && !strcmp ((char *)name, (char *) (b + 1))) + return (FcChar8 *) (b + 1); + size = sizeof (struct objectBucket) + strlen ((char *)name) + 1; + /* + * workaround valgrind warning because glibc takes advantage of how it knows memory is + * allocated to implement strlen by reading in groups of 4 + */ + size = (size + 3) & ~3; + b = malloc (size); + FcMemAlloc (FC_MEM_STATICSTR, size); + if (!b) + return NULL; + b->next = 0; + b->hash = hash; + strcpy ((char *) (b + 1), (char *)name); + *p = b; + return (FcChar8 *) (b + 1); +} + +static void +FcStrStaticNameFini (void) +{ + int i, size; + struct objectBucket *b, *next; + char *name; + + for (i = 0; i < OBJECT_HASH_SIZE; i++) + { + for (b = FcObjectBuckets[i]; b; b = next) + { + next = b->next; + name = (char *) (b + 1); + size = sizeof (struct objectBucket) + strlen (name) + 1; + FcMemFree (FC_MEM_STATICSTR, size + sizeof (int)); + free (b); + } + FcObjectBuckets[i] = 0; + } +} + +void +FcPatternFini (void) +{ + FcStrStaticNameFini (); + FcObjectFini (); +} + +FcBool +FcPatternSerializeAlloc (FcSerialize *serialize, const FcPattern *pat) +{ + int i; + FcPatternElt *elts = FcPatternElts(pat); + + if (!FcSerializeAlloc (serialize, pat, sizeof (FcPattern))) + return FcFalse; + if (!FcSerializeAlloc (serialize, elts, pat->num * sizeof (FcPatternElt))) + return FcFalse; + for (i = 0; i < pat->num; i++) + if (!FcValueListSerializeAlloc (serialize, FcPatternEltValues(elts+i))) + return FcFalse; + return FcTrue; +} + +FcPattern * +FcPatternSerialize (FcSerialize *serialize, const FcPattern *pat) +{ + FcPattern *pat_serialized; + FcPatternElt *elts = FcPatternElts (pat); + FcPatternElt *elts_serialized; + FcValueList *values_serialized; + int i; + + pat_serialized = FcSerializePtr (serialize, pat); + if (!pat_serialized) + return NULL; + *pat_serialized = *pat; + pat_serialized->size = pat->num; + pat_serialized->ref = FC_REF_CONSTANT; + + elts_serialized = FcSerializePtr (serialize, elts); + if (!elts_serialized) + return NULL; + + pat_serialized->elts_offset = FcPtrToOffset (pat_serialized, + elts_serialized); + + for (i = 0; i < pat->num; i++) + { + values_serialized = FcValueListSerialize (serialize, FcPatternEltValues (elts+i)); + if (!values_serialized) + return NULL; + elts_serialized[i].object = elts[i].object; + elts_serialized[i].values = FcPtrToEncodedOffset (&elts_serialized[i], + values_serialized, + FcValueList); + } + if (FcDebug() & FC_DBG_CACHEV) { + printf ("Raw pattern:\n"); + FcPatternPrint (pat); + printf ("Serialized pattern:\n"); + FcPatternPrint (pat_serialized); + printf ("\n"); + } + return pat_serialized; +} + +FcBool +FcValueListSerializeAlloc (FcSerialize *serialize, const FcValueList *vl) +{ + while (vl) + { + if (!FcSerializeAlloc (serialize, vl, sizeof (FcValueList))) + return FcFalse; + switch (vl->value.type) { + case FcTypeString: + if (!FcStrSerializeAlloc (serialize, vl->value.u.s)) + return FcFalse; + break; + case FcTypeCharSet: + if (!FcCharSetSerializeAlloc (serialize, vl->value.u.c)) + return FcFalse; + break; + case FcTypeLangSet: + if (!FcLangSetSerializeAlloc (serialize, vl->value.u.l)) + return FcFalse; + break; + default: + break; + } + vl = vl->next; + } + return FcTrue; +} + +FcValueList * +FcValueListSerialize (FcSerialize *serialize, const FcValueList *vl) +{ + FcValueList *vl_serialized; + FcChar8 *s_serialized; + FcCharSet *c_serialized; + FcLangSet *l_serialized; + FcValueList *head_serialized = NULL; + FcValueList *prev_serialized = NULL; + + while (vl) + { + vl_serialized = FcSerializePtr (serialize, vl); + if (!vl_serialized) + return NULL; + + if (prev_serialized) + prev_serialized->next = FcPtrToEncodedOffset (prev_serialized, + vl_serialized, + FcValueList); + else + head_serialized = vl_serialized; + + vl_serialized->next = NULL; + vl_serialized->value.type = vl->value.type; + switch (vl->value.type) { + case FcTypeInteger: + vl_serialized->value.u.i = vl->value.u.i; + break; + case FcTypeDouble: + vl_serialized->value.u.d = vl->value.u.d; + break; + case FcTypeString: + s_serialized = FcStrSerialize (serialize, vl->value.u.s); + if (!s_serialized) + return NULL; + vl_serialized->value.u.s = FcPtrToEncodedOffset (&vl_serialized->value, + s_serialized, + FcChar8); + break; + case FcTypeBool: + vl_serialized->value.u.b = vl->value.u.b; + break; + case FcTypeMatrix: + /* can't happen */ + break; + case FcTypeCharSet: + c_serialized = FcCharSetSerialize (serialize, vl->value.u.c); + if (!c_serialized) + return NULL; + vl_serialized->value.u.c = FcPtrToEncodedOffset (&vl_serialized->value, + c_serialized, + FcCharSet); + break; + case FcTypeFTFace: + /* can't happen */ + break; + case FcTypeLangSet: + l_serialized = FcLangSetSerialize (serialize, vl->value.u.l); + if (!l_serialized) + return NULL; + vl_serialized->value.u.l = FcPtrToEncodedOffset (&vl_serialized->value, + l_serialized, + FcLangSet); + break; + default: + break; + } + prev_serialized = vl_serialized; + vl = vl->next; + } + return head_serialized; +} +#define __fcpat__ +#include "fcaliastail.h" +#include "fcftaliastail.h" +#undef __fcpat__ |