2 * $RCSId: xc/lib/fontconfig/src/fcname.c,v 1.15 2002/09/26 00:17:28 keithp Exp $
4 * Copyright © 2000 Keith Packard
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of Keith Packard not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. Keith Packard makes no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
31 /* Please do not revoke any of these bindings. */
32 static const FcObjectType _FcBaseObjectTypes[] = {
33 { "__DUMMY__", FcTypeVoid, },
34 { FC_FAMILY, FcTypeString, },
35 { FC_FAMILYLANG, FcTypeString, },
36 { FC_STYLE, FcTypeString, },
37 { FC_STYLELANG, FcTypeString, },
38 { FC_FULLNAME, FcTypeString, },
39 { FC_FULLNAMELANG, FcTypeString, },
40 { FC_SLANT, FcTypeInteger, },
41 { FC_WEIGHT, FcTypeInteger, },
42 { FC_WIDTH, FcTypeInteger, },
43 { FC_SIZE, FcTypeDouble, },
44 { FC_ASPECT, FcTypeDouble, },
45 { FC_PIXEL_SIZE, FcTypeDouble, },
46 { FC_SPACING, FcTypeInteger, },
47 { FC_FOUNDRY, FcTypeString, },
48 /* { FC_CORE, FcTypeBool, }, */
49 { FC_ANTIALIAS, FcTypeBool, },
50 { FC_HINT_STYLE, FcTypeInteger, },
51 { FC_HINTING, FcTypeBool, },
52 { FC_VERTICAL_LAYOUT, FcTypeBool, },
53 { FC_AUTOHINT, FcTypeBool, },
54 { FC_GLOBAL_ADVANCE, FcTypeBool, },
55 /* { FC_XLFD, FcTypeString, }, */
56 { FC_FILE, FcTypeString, },
57 { FC_INDEX, FcTypeInteger, },
58 { FC_RASTERIZER, FcTypeString, },
59 { FC_OUTLINE, FcTypeBool, },
60 { FC_SCALABLE, FcTypeBool, },
61 { FC_DPI, FcTypeDouble },
62 { FC_RGBA, FcTypeInteger, },
63 { FC_SCALE, FcTypeDouble, },
64 { FC_MINSPACE, FcTypeBool, },
65 /* { FC_RENDER, FcTypeBool, },*/
66 { FC_CHAR_WIDTH, FcTypeInteger },
67 { FC_CHAR_HEIGHT, FcTypeInteger },
68 { FC_MATRIX, FcTypeMatrix },
69 { FC_CHARSET, FcTypeCharSet },
70 { FC_LANG, FcTypeLangSet },
71 { FC_FONTVERSION, FcTypeInteger },
72 { FC_CAPABILITY, FcTypeString },
73 { FC_FONTFORMAT, FcTypeString },
74 { FC_EMBOLDEN, FcTypeBool },
77 #define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0])
79 static FcObjectType * _FcUserObjectNames = 0;
80 static int user_obj_alloc = 0;
81 static int next_basic_offset = NUM_OBJECT_TYPES;
83 typedef struct _FcObjectTypeList FcObjectTypeList;
85 struct _FcObjectTypeList {
86 const FcObjectTypeList *next;
87 const FcObjectType *types;
92 static const FcObjectTypeList _FcBaseObjectTypesList = {
98 static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList;
101 FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes)
105 l = (FcObjectTypeList *) malloc (sizeof (FcObjectTypeList));
108 FcMemAlloc (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
111 l->next = _FcObjectTypes;
112 l->basic_offset = next_basic_offset;
113 next_basic_offset += ntypes;
119 FcNameUnregisterObjectTypesFree (const FcObjectType *types, int ntypes,
122 const FcObjectTypeList *l, **prev;
124 for (prev = &_FcObjectTypes;
126 prev = (const FcObjectTypeList **) &(l->next))
128 if (l->types == types && l->ntypes == ntypes)
132 FcMemFree (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
142 FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes)
144 return FcNameUnregisterObjectTypesFree (types, ntypes, FcTrue);
148 FcNameGetObjectType (const char *object)
151 const FcObjectTypeList *l;
152 const FcObjectType *t;
154 for (l = _FcObjectTypes; l; l = l->next)
156 for (i = 0; i < l->ntypes; i++)
159 if (!strcmp (object, t->object))
166 #define OBJECT_HASH_SIZE 31
167 struct objectBucket {
168 struct objectBucket *next;
172 static struct objectBucket *FcObjectBuckets[OBJECT_HASH_SIZE];
174 /* Design constraint: biggest_known_ntypes must never change
175 * after any call to FcNameRegisterObjectTypes. */
176 static const FcObjectType *biggest_known_types = _FcBaseObjectTypes;
177 static FcBool allocated_biggest_known_types;
178 static int biggest_known_ntypes = NUM_OBJECT_TYPES;
179 static int biggest_known_count = 0;
180 static char * biggest_ptr;
184 FcObjectToPtrLookup (const char * object)
186 FcObjectPtr i = 0, n;
187 const FcObjectTypeList *l;
188 FcObjectType *t = _FcUserObjectNames;
190 for (l = _FcObjectTypes; l; l = l->next)
192 for (i = 0; i < l->ntypes; i++)
194 t = (FcObjectType *)&l->types[i];
195 if (!strcmp (object, t->object))
197 if (l == (FcObjectTypeList*)_FcUserObjectNames)
200 return l->basic_offset + i;
205 /* We didn't match. Look for the correct FcObjectTypeList
206 * to replace it in-place. */
207 for (l = _FcObjectTypes; l; l = l->next)
209 if (l->types == _FcUserObjectNames)
213 if (!_FcUserObjectNames ||
214 (l && l->types == _FcUserObjectNames && user_obj_alloc < l->ntypes))
216 int nt = user_obj_alloc + 4;
217 FcObjectType * t = realloc (_FcUserObjectNames,
218 nt * sizeof (FcObjectType));
221 _FcUserObjectNames = t;
225 if (l && l->types == _FcUserObjectNames)
228 FcNameUnregisterObjectTypesFree (l->types, l->ntypes, FcFalse);
233 FcNameRegisterObjectTypes (_FcUserObjectNames, n+1);
235 for (l = _FcObjectTypes; l; l = l->next)
237 if (l->types == _FcUserObjectNames)
239 t = (FcObjectType *)l->types;
247 t[n].object = object;
248 t[n].type = FcTypeVoid;
254 FcObjectToPtr (const char * name)
256 FcChar32 hash = FcStringHash ((const FcChar8 *) name);
257 struct objectBucket **p;
258 struct objectBucket *b;
261 for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)
263 if (b->hash == hash && !strcmp (name, (char *) (b + 1)))
265 size = sizeof (struct objectBucket) + strlen (name) + 1;
266 /* workaround glibc bug which reads strlen in groups of 4 */
267 b = malloc (size + sizeof (int));
268 FcMemAlloc (FC_MEM_STATICSTR, size + sizeof(int));
273 b->id = FcObjectToPtrLookup (name);
274 strcpy ((char *) (b + 1), name);
280 FcObjectStaticNameFini (void)
283 struct objectBucket *b, *next;
286 for (i = 0; i < OBJECT_HASH_SIZE; i++)
288 for (b = FcObjectBuckets[i]; b; b = next)
291 name = (char *) (b + 1);
292 size = sizeof (struct objectBucket) + strlen (name) + 1;
293 FcMemFree (FC_MEM_STATICSTR, size);
296 FcObjectBuckets[i] = 0;
301 FcObjectPtrU (FcObjectPtr si)
303 const FcObjectTypeList *l;
308 if (si < biggest_known_ntypes)
309 return biggest_known_types[si].object;
312 for (l = _FcObjectTypes; l; l = l->next)
313 for (i = 0; i < l->ntypes; i++, j++)
315 return l->types[i].object;
318 return _FcUserObjectNames[-si].object;
322 FcObjectNeededBytes ()
325 for (i = 0; i < biggest_known_ntypes; i++)
327 const char * t = biggest_known_types[i].object;
328 num = num + strlen(t) + 1;
330 biggest_known_count = num;
331 return num + sizeof(int);
335 FcObjectDistributeBytes (FcCache * metadata, void * block_ptr)
337 *(int *)block_ptr = biggest_known_ntypes;
338 block_ptr = (int *) block_ptr + 1;
339 biggest_ptr = block_ptr;
340 block_ptr = (char *) block_ptr + biggest_known_count;
348 for (i = 0; i < biggest_known_ntypes; i++)
350 const char * t = biggest_known_types[i].object;
351 strcpy (biggest_ptr, t);
352 biggest_ptr = biggest_ptr + strlen(t) + 1;
357 FcObjectUnserialize (FcCache metadata, void *block_ptr)
360 new_biggest = *(int *)block_ptr;
361 block_ptr = (int *) block_ptr + 1;
362 if (biggest_known_ntypes < new_biggest)
365 char * bp = (char *)block_ptr;
367 FcObjectTypeList * bnl;
369 bn = malloc (sizeof (const FcObjectType) * (new_biggest + 1));
373 bnl = malloc (sizeof (FcObjectTypeList));
380 for (i = 0; i < new_biggest; i++)
382 const FcObjectType * t = FcNameGetObjectType(bp);
384 bn[i].type = t->type;
386 bn[i].type = FcTypeVoid;
388 bp = bp + strlen(bp) + 1;
391 FcNameUnregisterObjectTypesFree (biggest_known_types, biggest_known_ntypes, FcFalse);
392 if (allocated_biggest_known_types)
394 free ((FcObjectTypeList *)biggest_known_types);
397 allocated_biggest_known_types = FcTrue;
399 FcNameRegisterObjectTypes (bn, new_biggest);
400 biggest_known_ntypes = new_biggest;
401 biggest_known_types = (const FcObjectType *)bn;
403 block_ptr = (char *) block_ptr + biggest_known_count;
408 FcObjectPtrCompare (const FcObjectPtr a, const FcObjectPtr b)
413 static const FcConstant _FcBaseConstants[] = {
414 { (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, },
415 { (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, },
416 { (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, },
417 { (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, },
418 { (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, },
419 { (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, },
420 { (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, },
421 { (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, },
422 { (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, },
423 { (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, },
424 { (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, },
425 { (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, },
426 { (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, },
428 { (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, },
429 { (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, },
430 { (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, },
432 { (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED },
433 { (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED },
434 { (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED },
435 { (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED },
436 { (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL },
437 { (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED },
438 { (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED },
439 { (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED },
440 { (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED },
442 { (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, },
443 { (FcChar8 *) "dual", "spacing", FC_DUAL, },
444 { (FcChar8 *) "mono", "spacing", FC_MONO, },
445 { (FcChar8 *) "charcell", "spacing", FC_CHARCELL, },
447 { (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN },
448 { (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, },
449 { (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, },
450 { (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB },
451 { (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR },
452 { (FcChar8 *) "none", "rgba", FC_RGBA_NONE },
454 { (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE },
455 { (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT },
456 { (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM },
457 { (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL },
460 #define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0])
462 typedef struct _FcConstantList FcConstantList;
464 struct _FcConstantList {
465 const FcConstantList *next;
466 const FcConstant *consts;
470 static const FcConstantList _FcBaseConstantList = {
476 static const FcConstantList *_FcConstants = &_FcBaseConstantList;
479 FcNameRegisterConstants (const FcConstant *consts, int nconsts)
483 l = (FcConstantList *) malloc (sizeof (FcConstantList));
486 FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList));
488 l->nconsts = nconsts;
489 l->next = _FcConstants;
495 FcNameUnregisterConstants (const FcConstant *consts, int nconsts)
497 const FcConstantList *l, **prev;
499 for (prev = &_FcConstants;
501 prev = (const FcConstantList **) &(l->next))
503 if (l->consts == consts && l->nconsts == nconsts)
506 FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList));
515 FcNameGetConstant (FcChar8 *string)
517 const FcConstantList *l;
520 for (l = _FcConstants; l; l = l->next)
522 for (i = 0; i < l->nconsts; i++)
523 if (!FcStrCmpIgnoreCase (string, l->consts[i].name))
524 return &l->consts[i];
530 FcNameConstant (FcChar8 *string, int *result)
534 if ((c = FcNameGetConstant(string)))
543 FcNameBool (const FcChar8 *v, FcBool *result)
549 if (c0 == 't' || c0 == 'y' || c0 == '1')
554 if (c0 == 'f' || c0 == 'n' || c0 == '0')
578 FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m)
585 if (!FcNameConstant (string, &v.u.i))
586 v.u.i = atoi ((char *) string);
589 v.u.s = FcStrStaticName(string);
592 if (!FcNameBool (string, &v.u.b))
596 v.u.d = strtod ((char *) string, 0);
600 sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy);
603 v.u.c = FcNameParseCharSet (string);
606 v.u.l = FcNameParseLangSet (string);
614 static const FcChar8 *
615 FcNameFindNext (const FcChar8 *cur, const char *delim, FcChar8 *save, FcChar8 *last)
627 else if (strchr (delim, c))
640 FcNameParse (const FcChar8 *name)
649 const FcObjectType *t;
653 save = malloc (strlen ((char *) name) + 1);
656 pat = FcPatternCreate ();
662 name = FcNameFindNext (name, "-,:", save, &delim);
665 if (!FcPatternAddString (pat, FC_FAMILY, save))
675 name = FcNameFindNext (name, "-,:", save, &delim);
676 d = strtod ((char *) save, (char **) &e);
679 if (!FcPatternAddDouble (pat, FC_SIZE, d))
688 name = FcNameFindNext (name, "=_:", save, &delim);
691 if (delim == '=' || delim == '_')
693 t = FcNameGetObjectType ((char *) save);
696 name = FcNameFindNext (name, ":,", save, &delim);
699 v = FcNameConvert (t->type, save, &m);
700 if (!FcPatternAdd (pat, t->object, v, FcTrue))
704 FcCharSetDestroy ((FcCharSet *) v.u.c);
707 FcLangSetDestroy ((FcLangSet *) v.u.l);
716 FcCharSetDestroy ((FcCharSet *) v.u.c);
719 FcLangSetDestroy ((FcLangSet *) v.u.l);
731 if ((c = FcNameGetConstant (save)))
733 if (!FcPatternAddInteger (pat, c->object, c->value))
744 FcPatternDestroy (pat);
751 FcNameUnparseString (FcStrBuf *buf,
752 const FcChar8 *string,
753 const FcChar8 *escape)
756 while ((c = *string++))
758 if (escape && strchr ((char *) escape, (char) c))
760 if (!FcStrBufChar (buf, escape[0]))
763 if (!FcStrBufChar (buf, c))
770 FcNameUnparseValue (FcStrBuf *buf,
776 FcValue v = FcValueCanonicalize(v0);
782 sprintf ((char *) temp, "%d", v.u.i);
783 return FcNameUnparseString (buf, temp, 0);
785 sprintf ((char *) temp, "%g", v.u.d);
786 return FcNameUnparseString (buf, temp, 0);
788 return FcNameUnparseString (buf, v.u.s, escape);
790 return FcNameUnparseString (buf, v.u.b ? (FcChar8 *) "True" : (FcChar8 *) "False", 0);
792 sprintf ((char *) temp, "%g %g %g %g",
793 v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy);
794 return FcNameUnparseString (buf, temp, 0);
796 return FcNameUnparseCharSet (buf, v.u.c);
798 return FcNameUnparseLangSet (buf, v.u.l);
806 FcNameUnparseValueList (FcStrBuf *buf,
810 while (FcValueListPtrU(v))
812 if (!FcNameUnparseValue (buf, v.bank, &FcValueListPtrU(v)->value, escape))
814 if (FcValueListPtrU(v = FcValueListPtrU(v)->next))
815 if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0))
821 #define FC_ESCAPE_FIXED "\\-:,"
822 #define FC_ESCAPE_VARIABLE "\\=_:,"
825 FcNameUnparse (FcPattern *pat)
828 FcChar8 buf_static[8192];
831 const FcObjectTypeList *l;
832 const FcObjectType *o;
834 FcStrBufInit (&buf, buf_static, sizeof (buf_static));
835 e = FcPatternFindElt (pat, FC_FAMILY);
838 if (!FcNameUnparseValueList (&buf, e->values, (FcChar8 *) FC_ESCAPE_FIXED))
841 e = FcPatternFindElt (pat, FC_SIZE);
844 if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0))
846 if (!FcNameUnparseValueList (&buf, e->values, (FcChar8 *) FC_ESCAPE_FIXED))
849 for (l = _FcObjectTypes; l; l = l->next)
851 for (i = 0; i < l->ntypes; i++)
854 if (!strcmp (o->object, FC_FAMILY) ||
855 !strcmp (o->object, FC_SIZE) ||
856 !strcmp (o->object, FC_FILE))
859 e = FcPatternFindElt (pat, o->object);
862 if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0))
864 if (!FcNameUnparseString (&buf, (FcChar8 *) o->object, (FcChar8 *) FC_ESCAPE_VARIABLE))
866 if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0))
868 if (!FcNameUnparseValueList (&buf, e->values,
869 (FcChar8 *) FC_ESCAPE_VARIABLE))
874 return FcStrBufDone (&buf);
876 FcStrBufDestroy (&buf);