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 },
75 { FC_EMBEDDED_BITMAP, FcTypeBool },
78 #define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0])
80 static FcObjectType * _FcUserObjectNames = 0;
81 static int user_obj_alloc = 0;
82 static int next_basic_offset = NUM_OBJECT_TYPES;
84 typedef struct _FcObjectTypeList FcObjectTypeList;
86 struct _FcObjectTypeList {
87 const FcObjectTypeList *next;
88 const FcObjectType *types;
93 static const FcObjectTypeList _FcBaseObjectTypesList = {
100 static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList;
103 FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes)
107 l = (FcObjectTypeList *) malloc (sizeof (FcObjectTypeList));
110 FcMemAlloc (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
113 l->next = _FcObjectTypes;
114 l->basic_offset = next_basic_offset;
115 next_basic_offset += ntypes;
121 FcNameUnregisterObjectTypesFree (const FcObjectType *types, int ntypes,
124 const FcObjectTypeList *l, **prev;
126 for (prev = &_FcObjectTypes;
128 prev = (const FcObjectTypeList **) &(l->next))
130 if (l->types == types && l->ntypes == ntypes)
134 FcMemFree (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
144 FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes)
146 return FcNameUnregisterObjectTypesFree (types, ntypes, FcTrue);
150 FcNameGetObjectType (const char *object)
153 const FcObjectTypeList *l;
154 const FcObjectType *t;
156 for (l = _FcObjectTypes; l; l = l->next)
158 if (l == (FcObjectTypeList*)_FcUserObjectNames)
161 for (i = 0; i < l->ntypes; i++)
164 if (!strcmp (object, t->object))
171 #define OBJECT_HASH_SIZE 31
172 struct objectBucket {
173 struct objectBucket *next;
177 static struct objectBucket *FcObjectBuckets[OBJECT_HASH_SIZE];
179 /* Design constraint: biggest_known_ntypes must never change
180 * after any call to FcNameRegisterObjectTypes. */
181 static const FcObjectType *biggest_known_types = _FcBaseObjectTypes;
182 static FcBool allocated_biggest_known_types;
183 static int biggest_known_ntypes = NUM_OBJECT_TYPES;
184 static int biggest_known_count = 0;
185 static char * biggest_ptr;
189 FcObjectToPtrLookup (const char * object)
191 FcObjectPtr i = 0, n;
192 const FcObjectTypeList *l;
193 FcObjectType *t = _FcUserObjectNames;
195 for (l = _FcObjectTypes; l; l = l->next)
197 for (i = 0; i < l->ntypes; i++)
199 t = (FcObjectType *)&l->types[i];
200 if (!strcmp (object, t->object))
202 if (l == (FcObjectTypeList*)_FcUserObjectNames)
205 return l->basic_offset + i;
210 /* We didn't match. Look for the correct FcObjectTypeList
211 * to replace it in-place. */
212 for (l = _FcObjectTypes; l; l = l->next)
214 if (l->types == _FcUserObjectNames)
218 if (!_FcUserObjectNames ||
219 (l && l->types == _FcUserObjectNames && user_obj_alloc < l->ntypes))
221 int nt = user_obj_alloc + 4;
222 FcObjectType * t = realloc (_FcUserObjectNames,
223 nt * sizeof (FcObjectType));
226 _FcUserObjectNames = t;
230 if (l && l->types == _FcUserObjectNames)
233 FcNameUnregisterObjectTypesFree (l->types, l->ntypes, FcFalse);
238 FcNameRegisterObjectTypes (_FcUserObjectNames, n+1);
240 for (l = _FcObjectTypes; l; l = l->next)
242 if (l->types == _FcUserObjectNames)
244 t = (FcObjectType *)l->types;
252 t[n].object = object;
253 t[n].type = FcTypeVoid;
259 FcObjectToPtr (const char * name)
261 FcChar32 hash = FcStringHash ((const FcChar8 *) name);
262 struct objectBucket **p;
263 struct objectBucket *b;
266 for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)
268 if (b->hash == hash && !strcmp (name, (char *) (b + 1)))
270 size = sizeof (struct objectBucket) + strlen (name) + 1;
271 /* workaround glibc bug which reads strlen in groups of 4 */
272 b = malloc (size + sizeof (int));
273 FcMemAlloc (FC_MEM_STATICSTR, size + sizeof(int));
278 b->id = FcObjectToPtrLookup (name);
279 strcpy ((char *) (b + 1), name);
285 FcObjectStaticNameFini (void)
288 struct objectBucket *b, *next;
291 for (i = 0; i < OBJECT_HASH_SIZE; i++)
293 for (b = FcObjectBuckets[i]; b; b = next)
296 name = (char *) (b + 1);
297 size = sizeof (struct objectBucket) + strlen (name) + 1;
298 FcMemFree (FC_MEM_STATICSTR, size);
301 FcObjectBuckets[i] = 0;
306 FcObjectPtrU (FcObjectPtr si)
308 const FcObjectTypeList *l;
313 if (si < biggest_known_ntypes)
314 return biggest_known_types[si].object;
317 for (l = _FcObjectTypes; l; l = l->next)
318 for (i = 0; i < l->ntypes; i++, j++)
320 return l->types[i].object;
323 return _FcUserObjectNames[-si].object;
327 FcObjectNeededBytes ()
330 for (i = 0; i < biggest_known_ntypes; i++)
332 const char * t = biggest_known_types[i].object;
333 num = num + strlen(t) + 1;
335 biggest_known_count = num;
336 return num + sizeof(int);
340 FcObjectNeededBytesAlign (void)
342 return __alignof__ (int) + __alignof__ (char);
346 FcObjectDistributeBytes (FcCache * metadata, void * block_ptr)
348 block_ptr = ALIGN (block_ptr, int);
349 *(int *)block_ptr = biggest_known_ntypes;
350 block_ptr = (int *) block_ptr + 1;
351 block_ptr = ALIGN (block_ptr, char);
352 biggest_ptr = block_ptr;
353 block_ptr = (char *) block_ptr + biggest_known_count;
361 for (i = 0; i < biggest_known_ntypes; i++)
363 const char * t = biggest_known_types[i].object;
364 strcpy (biggest_ptr, t);
365 biggest_ptr = biggest_ptr + strlen(t) + 1;
370 FcObjectUnserialize (FcCache * metadata, void *block_ptr)
373 new_biggest = *(int *)block_ptr;
374 block_ptr = ALIGN (block_ptr, int);
375 block_ptr = (int *) block_ptr + 1;
376 if (biggest_known_ntypes < new_biggest)
379 char * bp = (char *)block_ptr;
381 FcObjectTypeList * bnl;
383 bn = malloc (sizeof (const FcObjectType) * (new_biggest + 1));
387 bnl = malloc (sizeof (FcObjectTypeList));
394 for (i = 0; i < new_biggest; i++)
396 const FcObjectType * t = FcNameGetObjectType(bp);
398 bn[i].type = t->type;
400 bn[i].type = FcTypeVoid;
402 bp = bp + strlen(bp) + 1;
405 FcNameUnregisterObjectTypesFree (biggest_known_types, biggest_known_ntypes, FcFalse);
406 if (allocated_biggest_known_types)
408 free ((FcObjectTypeList *)biggest_known_types);
411 allocated_biggest_known_types = FcTrue;
413 FcNameRegisterObjectTypes (bn, new_biggest);
414 biggest_known_ntypes = new_biggest;
415 biggest_known_types = (const FcObjectType *)bn;
417 block_ptr = ALIGN (block_ptr, char);
418 block_ptr = (char *) block_ptr + biggest_known_count;
422 static const FcConstant _FcBaseConstants[] = {
423 { (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, },
424 { (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, },
425 { (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, },
426 { (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, },
427 { (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, },
428 { (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, },
429 { (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, },
430 { (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, },
431 { (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, },
432 { (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, },
433 { (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, },
434 { (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, },
435 { (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, },
437 { (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, },
438 { (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, },
439 { (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, },
441 { (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED },
442 { (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED },
443 { (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED },
444 { (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED },
445 { (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL },
446 { (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED },
447 { (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED },
448 { (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED },
449 { (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED },
451 { (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, },
452 { (FcChar8 *) "dual", "spacing", FC_DUAL, },
453 { (FcChar8 *) "mono", "spacing", FC_MONO, },
454 { (FcChar8 *) "charcell", "spacing", FC_CHARCELL, },
456 { (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN },
457 { (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, },
458 { (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, },
459 { (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB },
460 { (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR },
461 { (FcChar8 *) "none", "rgba", FC_RGBA_NONE },
463 { (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE },
464 { (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT },
465 { (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM },
466 { (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL },
469 #define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0])
471 typedef struct _FcConstantList FcConstantList;
473 struct _FcConstantList {
474 const FcConstantList *next;
475 const FcConstant *consts;
479 static const FcConstantList _FcBaseConstantList = {
485 static const FcConstantList *_FcConstants = &_FcBaseConstantList;
488 FcNameRegisterConstants (const FcConstant *consts, int nconsts)
492 l = (FcConstantList *) malloc (sizeof (FcConstantList));
495 FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList));
497 l->nconsts = nconsts;
498 l->next = _FcConstants;
504 FcNameUnregisterConstants (const FcConstant *consts, int nconsts)
506 const FcConstantList *l, **prev;
508 for (prev = &_FcConstants;
510 prev = (const FcConstantList **) &(l->next))
512 if (l->consts == consts && l->nconsts == nconsts)
515 FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList));
524 FcNameGetConstant (FcChar8 *string)
526 const FcConstantList *l;
529 for (l = _FcConstants; l; l = l->next)
531 for (i = 0; i < l->nconsts; i++)
532 if (!FcStrCmpIgnoreCase (string, l->consts[i].name))
533 return &l->consts[i];
539 FcNameConstant (FcChar8 *string, int *result)
543 if ((c = FcNameGetConstant(string)))
552 FcNameBool (const FcChar8 *v, FcBool *result)
558 if (c0 == 't' || c0 == 'y' || c0 == '1')
563 if (c0 == 'f' || c0 == 'n' || c0 == '0')
587 FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m)
594 if (!FcNameConstant (string, &v.u.i))
595 v.u.i = atoi ((char *) string);
598 v.u.s = FcStrStaticName(string);
601 if (!FcNameBool (string, &v.u.b))
605 v.u.d = strtod ((char *) string, 0);
609 sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy);
612 v.u.c = FcNameParseCharSet (string);
615 v.u.l = FcNameParseLangSet (string);
623 static const FcChar8 *
624 FcNameFindNext (const FcChar8 *cur, const char *delim, FcChar8 *save, FcChar8 *last)
636 else if (strchr (delim, c))
649 FcNameParse (const FcChar8 *name)
658 const FcObjectType *t;
662 save = malloc (strlen ((char *) name) + 1);
665 pat = FcPatternCreate ();
671 name = FcNameFindNext (name, "-,:", save, &delim);
674 if (!FcPatternAddString (pat, FC_FAMILY, save))
684 name = FcNameFindNext (name, "-,:", save, &delim);
685 d = strtod ((char *) save, (char **) &e);
688 if (!FcPatternAddDouble (pat, FC_SIZE, d))
697 name = FcNameFindNext (name, "=_:", save, &delim);
700 if (delim == '=' || delim == '_')
702 t = FcNameGetObjectType ((char *) save);
705 name = FcNameFindNext (name, ":,", save, &delim);
708 v = FcNameConvert (t->type, save, &m);
709 if (!FcPatternAdd (pat, t->object, v, FcTrue))
713 FcCharSetDestroy ((FcCharSet *) v.u.c);
716 FcLangSetDestroy ((FcLangSet *) v.u.l);
725 FcCharSetDestroy ((FcCharSet *) v.u.c);
728 FcLangSetDestroy ((FcLangSet *) v.u.l);
740 if ((c = FcNameGetConstant (save)))
742 if (!FcPatternAddInteger (pat, c->object, c->value))
753 FcPatternDestroy (pat);
760 FcNameUnparseString (FcStrBuf *buf,
761 const FcChar8 *string,
762 const FcChar8 *escape)
765 while ((c = *string++))
767 if (escape && strchr ((char *) escape, (char) c))
769 if (!FcStrBufChar (buf, escape[0]))
772 if (!FcStrBufChar (buf, c))
779 FcNameUnparseValue (FcStrBuf *buf,
784 FcValue v = FcValueCanonicalize(v0);
790 sprintf ((char *) temp, "%d", v.u.i);
791 return FcNameUnparseString (buf, temp, 0);
793 sprintf ((char *) temp, "%g", v.u.d);
794 return FcNameUnparseString (buf, temp, 0);
796 return FcNameUnparseString (buf, v.u.s, escape);
798 return FcNameUnparseString (buf, v.u.b ? (FcChar8 *) "True" : (FcChar8 *) "False", 0);
800 sprintf ((char *) temp, "%g %g %g %g",
801 v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy);
802 return FcNameUnparseString (buf, temp, 0);
804 return FcNameUnparseCharSet (buf, v.u.c);
806 return FcNameUnparseLangSet (buf, v.u.l);
814 FcNameUnparseValueList (FcStrBuf *buf,
818 while (FcValueListPtrU(v))
820 if (!FcNameUnparseValue (buf, &FcValueListPtrU(v)->value, escape))
822 if (FcValueListPtrU(v = FcValueListPtrU(v)->next))
823 if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0))
829 #define FC_ESCAPE_FIXED "\\-:,"
830 #define FC_ESCAPE_VARIABLE "\\=_:,"
833 FcNameUnparse (FcPattern *pat)
835 return FcNameUnparseEscaped (pat, FcTrue);
839 FcNameUnparseEscaped (FcPattern *pat, FcBool escape)
842 FcChar8 buf_static[8192];
845 const FcObjectTypeList *l;
846 const FcObjectType *o;
848 FcStrBufInit (&buf, buf_static, sizeof (buf_static));
849 e = FcPatternFindElt (pat, FC_FAMILY);
852 if (!FcNameUnparseValueList (&buf, e->values, escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0))
855 e = FcPatternFindElt (pat, FC_SIZE);
858 if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0))
860 if (!FcNameUnparseValueList (&buf, e->values, escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0))
863 for (l = _FcObjectTypes; l; l = l->next)
865 for (i = 0; i < l->ntypes; i++)
868 if (!strcmp (o->object, FC_FAMILY) ||
869 !strcmp (o->object, FC_SIZE) ||
870 !strcmp (o->object, FC_FILE))
873 e = FcPatternFindElt (pat, o->object);
876 if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0))
878 if (!FcNameUnparseString (&buf, (FcChar8 *) o->object, escape ? (FcChar8 *) FC_ESCAPE_VARIABLE : 0))
880 if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0))
882 if (!FcNameUnparseValueList (&buf, e->values, escape ?
883 (FcChar8 *) FC_ESCAPE_VARIABLE : 0))
888 return FcStrBufDone (&buf);
890 FcStrBufDestroy (&buf);