src/fcdbg.c

   1 /*
   2  * fontconfig/src/fcdbg.c
   3  *
   4  * Copyright © 2000 Keith Packard
   5  *
   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 the author(s) not be used in
  11  * advertising or publicity pertaining to distribution of the software without
  12  * specific, written prior permission.  The authors make no
  13  * representations about the suitability of this software for any purpose.  It
  14  * is provided "as is" without express or implied warranty.
  15  *
  16  * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  18  * EVENT SHALL THE AUTHOR(S) 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.
  23  */
  24
  25 #include "fcint.h"
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28
  29 void
  30 FcValuePrint (const FcValue v)
  31 {
  32     switch (v.type) {
  33     case FcTypeVoid:
  34         printf (" <void>");
  35         break;
  36     case FcTypeInteger:
  37         printf (" %d(i)", v.u.i);
  38         break;
  39     case FcTypeDouble:
  40         printf (" %g(f)", v.u.d);
  41         break;
  42     case FcTypeString:
  43         printf (" \"%s\"", v.u.s);
  44         break;
  45     case FcTypeBool:
  46         printf (" %s", v.u.b ? "FcTrue" : "FcFalse");
  47         break;
  48     case FcTypeMatrix:
  49         printf (" (%f %f; %f %f)", v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy);
  50         break;
  51     case FcTypeCharSet: /* XXX */
  52         printf (" ");
  53         FcCharSetPrint (v.u.c);
  54         break;
  55     case FcTypeLangSet:
  56         printf (" ");
  57         FcLangSetPrint (v.u.l);
  58         break;
  59     case FcTypeFTFace:
  60         printf (" face");
  61         break;
  62     }
  63 }
  64
  65 void
  66 FcValueListPrint (FcValueListPtr l)
  67 {
  68     for (; l != NULL; l = FcValueListNext(l))
  69     {
  70         FcValuePrint (FcValueCanonicalize(&l->value));
  71         switch (l->binding) {
  72         case FcValueBindingWeak:
  73             printf ("(w)");
  74             break;
  75         case FcValueBindingStrong:
  76             printf ("(s)");
  77             break;
  78         case FcValueBindingSame:
  79             printf ("(=)");
  80             break;
  81         }
  82     }
  83 }
  84
  85 void
  86 FcLangSetPrint (const FcLangSet *ls)
  87 {
  88     FcStrBuf    buf;
  89     FcChar8     init_buf[1024];
  90
  91     FcStrBufInit (&buf, init_buf, sizeof (init_buf));
  92     if (FcNameUnparseLangSet (&buf, ls) && FcStrBufChar (&buf,'\0'))
  93        printf ("%s", buf.buf);
  94     else
  95        printf ("langset (alloc error)");
  96     FcStrBufDestroy (&buf);
  97 }
  98
  99 void
 100 FcCharSetPrint (const FcCharSet *c)
 101 {
 102     int i, j;
 103     intptr_t    *leaves = FcCharSetLeaves (c);
 104     FcChar16    *numbers = FcCharSetNumbers (c);
 105
 106 #if 0
 107     printf ("CharSet  0x%x\n", (intptr_t) c);
 108     printf ("Leaves:  +%d = 0x%x\n", c->leaves_offset, (intptr_t) leaves);
 109     printf ("Numbers: +%d = 0x%x\n", c->numbers_offset, (intptr_t) numbers);
 110
 111     for (i = 0; i < c->num; i++)
 112     {
 113         printf ("Page %d: %04x +%d = 0x%x\n",
 114                 i, numbers[i], leaves[i],
 115                 (intptr_t) FcOffsetToPtr (leaves, leaves[i], FcCharLeaf));
 116     }
 117 #endif
 118
 119     printf ("\n");
 120     for (i = 0; i < c->num; i++)
 121     {
 122         intptr_t        leaf_offset = leaves[i];
 123         FcCharLeaf      *leaf = FcOffsetToPtr (leaves, leaf_offset, FcCharLeaf);
 124
 125         printf ("\t");
 126         printf ("%04x:", numbers[i]);
 127         for (j = 0; j < 256/32; j++)
 128             printf (" %08x", leaf->map[j]);
 129         printf ("\n");
 130     }
 131 }
 132
 133 void
 134 FcPatternPrint (const FcPattern *p)
 135 {
 136     int             i;
 137     FcPatternElt   *e;
 138
 139     if (!p)
 140     {
 141         printf ("Null pattern\n");
 142         return;
 143     }
 144     printf ("Pattern has %d elts (size %d)\n", p->num, p->size);
 145     for (i = 0; i < p->num; i++)
 146     {
 147         e = &FcPatternElts(p)[i];
 148         printf ("\t%s:", FcObjectName(e->object));
 149         FcValueListPrint (FcPatternEltValues(e));
 150         printf ("\n");
 151     }
 152     printf ("\n");
 153 }
 154
 155 void
 156 FcOpPrint (FcOp op)
 157 {
 158     switch (op) {
 159     case FcOpInteger: printf ("Integer"); break;
 160     case FcOpDouble: printf ("Double"); break;
 161     case FcOpString: printf ("String"); break;
 162     case FcOpMatrix: printf ("Matrix"); break;
 163     case FcOpBool: printf ("Bool"); break;
 164     case FcOpCharSet: printf ("CharSet"); break;
 165     case FcOpField: printf ("Field"); break;
 166     case FcOpConst: printf ("Const"); break;
 167     case FcOpAssign: printf ("Assign"); break;
 168     case FcOpAssignReplace: printf ("AssignReplace"); break;
 169     case FcOpPrepend: printf ("Prepend"); break;
 170     case FcOpPrependFirst: printf ("PrependFirst"); break;
 171     case FcOpAppend: printf ("Append"); break;
 172     case FcOpAppendLast: printf ("AppendLast"); break;
 173     case FcOpQuest: printf ("Quest"); break;
 174     case FcOpOr: printf ("Or"); break;
 175     case FcOpAnd: printf ("And"); break;
 176     case FcOpEqual: printf ("Equal"); break;
 177     case FcOpNotEqual: printf ("NotEqual"); break;
 178     case FcOpLess: printf ("Less"); break;
 179     case FcOpLessEqual: printf ("LessEqual"); break;
 180     case FcOpMore: printf ("More"); break;
 181     case FcOpMoreEqual: printf ("MoreEqual"); break;
 182     case FcOpContains: printf ("Contains"); break;
 183     case FcOpNotContains: printf ("NotContains"); break;
 184     case FcOpPlus: printf ("Plus"); break;
 185     case FcOpMinus: printf ("Minus"); break;
 186     case FcOpTimes: printf ("Times"); break;
 187     case FcOpDivide: printf ("Divide"); break;
 188     case FcOpNot: printf ("Not"); break;
 189     case FcOpNil: printf ("Nil"); break;
 190     case FcOpComma: printf ("Comma"); break;
 191     case FcOpFloor: printf ("Floor"); break;
 192     case FcOpCeil: printf ("Ceil"); break;
 193     case FcOpRound: printf ("Round"); break;
 194     case FcOpTrunc: printf ("Trunc"); break;
 195     case FcOpListing: printf ("Listing"); break;
 196     case FcOpInvalid: printf ("Invalid"); break;
 197     }
 198 }
 199
 200 void
 201 FcExprPrint (const FcExpr *expr)
 202 {
 203     if (!expr) printf ("none");
 204     else switch (expr->op) {
 205     case FcOpInteger: printf ("%d", expr->u.ival); break;
 206     case FcOpDouble: printf ("%g", expr->u.dval); break;
 207     case FcOpString: printf ("\"%s\"", expr->u.sval); break;
 208     case FcOpMatrix: printf ("[%g %g %g %g]",
 209                               expr->u.mval->xx,
 210                               expr->u.mval->xy,
 211                               expr->u.mval->yx,
 212                               expr->u.mval->yy); break;
 213     case FcOpBool: printf ("%s", expr->u.bval ? "true" : "false"); break;
 214     case FcOpCharSet: printf ("charset\n"); break;
 215     case FcOpNil: printf ("nil\n"); break;
 216     case FcOpField: printf ("%s", FcObjectName(expr->u.object)); break;
 217     case FcOpConst: printf ("%s", expr->u.constant); break;
 218     case FcOpQuest:
 219         FcExprPrint (expr->u.tree.left);
 220         printf (" quest ");
 221         FcExprPrint (expr->u.tree.right->u.tree.left);
 222         printf (" colon ");
 223         FcExprPrint (expr->u.tree.right->u.tree.right);
 224         break;
 225     case FcOpAssign:
 226     case FcOpAssignReplace:
 227     case FcOpPrependFirst:
 228     case FcOpPrepend:
 229     case FcOpAppend:
 230     case FcOpAppendLast:
 231     case FcOpOr:
 232     case FcOpAnd:
 233     case FcOpEqual:
 234     case FcOpNotEqual:
 235     case FcOpLess:
 236     case FcOpLessEqual:
 237     case FcOpMore:
 238     case FcOpMoreEqual:
 239     case FcOpContains:
 240     case FcOpListing:
 241     case FcOpNotContains:
 242     case FcOpPlus:
 243     case FcOpMinus:
 244     case FcOpTimes:
 245     case FcOpDivide:
 246     case FcOpComma:
 247         FcExprPrint (expr->u.tree.left);
 248         printf (" ");
 249         switch (expr->op) {
 250         case FcOpAssign: printf ("Assign"); break;
 251         case FcOpAssignReplace: printf ("AssignReplace"); break;
 252         case FcOpPrependFirst: printf ("PrependFirst"); break;
 253         case FcOpPrepend: printf ("Prepend"); break;
 254         case FcOpAppend: printf ("Append"); break;
 255         case FcOpAppendLast: printf ("AppendLast"); break;
 256         case FcOpOr: printf ("Or"); break;
 257         case FcOpAnd: printf ("And"); break;
 258         case FcOpEqual: printf ("Equal"); break;
 259         case FcOpNotEqual: printf ("NotEqual"); break;
 260         case FcOpLess: printf ("Less"); break;
 261         case FcOpLessEqual: printf ("LessEqual"); break;
 262         case FcOpMore: printf ("More"); break;
 263         case FcOpMoreEqual: printf ("MoreEqual"); break;
 264         case FcOpContains: printf ("Contains"); break;
 265         case FcOpListing: printf ("Listing"); break;
 266         case FcOpNotContains: printf ("NotContains"); break;
 267         case FcOpPlus: printf ("Plus"); break;
 268         case FcOpMinus: printf ("Minus"); break;
 269         case FcOpTimes: printf ("Times"); break;
 270         case FcOpDivide: printf ("Divide"); break;
 271         case FcOpComma: printf ("Comma"); break;
 272         default: break;
 273         }
 274         printf (" ");
 275         FcExprPrint (expr->u.tree.right);
 276         break;
 277     case FcOpNot:
 278         printf ("Not ");
 279         FcExprPrint (expr->u.tree.left);
 280         break;
 281     case FcOpFloor:
 282         printf ("Floor ");
 283         FcExprPrint (expr->u.tree.left);
 284         break;
 285     case FcOpCeil:
 286         printf ("Ceil ");
 287         FcExprPrint (expr->u.tree.left);
 288         break;
 289     case FcOpRound:
 290         printf ("Round ");
 291         FcExprPrint (expr->u.tree.left);
 292         break;
 293     case FcOpTrunc:
 294         printf ("Trunc ");
 295         FcExprPrint (expr->u.tree.left);
 296         break;
 297     case FcOpInvalid: printf ("Invalid"); break;
 298     }
 299 }
 300
 301 void
 302 FcTestPrint (const FcTest *test)
 303 {
 304     switch (test->kind) {
 305     case FcMatchPattern:
 306         printf ("pattern ");
 307         break;
 308     case FcMatchFont:
 309         printf ("font ");
 310         break;
 311     case FcMatchScan:
 312         printf ("scan ");
 313         break;
 314     }
 315     switch (test->qual) {
 316     case FcQualAny:
 317         printf ("any ");
 318         break;
 319     case FcQualAll:
 320         printf ("all ");
 321         break;
 322     case FcQualFirst:
 323         printf ("first ");
 324         break;
 325     case FcQualNotFirst:
 326         printf ("not_first ");
 327         break;
 328     }
 329     printf ("%s ", FcObjectName (test->object));
 330     FcOpPrint (test->op);
 331     printf (" ");
 332     FcExprPrint (test->expr);
 333     printf ("\n");
 334 }
 335
 336 void
 337 FcEditPrint (const FcEdit *edit)
 338 {
 339     printf ("Edit %s ", FcObjectName (edit->object));
 340     FcOpPrint (edit->op);
 341     printf (" ");
 342     FcExprPrint (edit->expr);
 343 }
 344
 345 void
 346 FcSubstPrint (const FcSubst *subst)
 347 {
 348     FcEdit      *e;
 349     FcTest      *t;
 350
 351     printf ("match\n");
 352     for (t = subst->test; t; t = t->next)
 353     {
 354         printf ("\t");
 355         FcTestPrint (t);
 356     }
 357     printf ("edit\n");
 358     for (e = subst->edit; e; e = e->next)
 359     {
 360         printf ("\t");
 361         FcEditPrint (e);
 362         printf (";\n");
 363     }
 364     printf ("\n");
 365 }
 366
 367 void
 368 FcFontSetPrint (const FcFontSet *s)
 369 {
 370     int     i;
 371
 372     printf ("FontSet %d of %d\n", s->nfont, s->sfont);
 373     for (i = 0; i < s->nfont; i++)
 374     {
 375         printf ("Font %d ", i);
 376         FcPatternPrint (s->fonts[i]);
 377     }
 378 }
 379
 380 int FcDebugVal;
 381
 382 void
 383 FcInitDebug (void)
 384 {
 385     char    *e;
 386
 387     e = getenv ("FC_DEBUG");
 388     if (e)
 389     {
 390         printf ("FC_DEBUG=%s\n", e);
 391         FcDebugVal = atoi (e);
 392         if (FcDebugVal < 0)
 393             FcDebugVal = 0;
 394     }
 395 }
 396 #define __fcdbg__
 397 #include "fcaliastail.h"
 398 #undef __fcdbg__