src/fcdbg.c

   1 /*
   2  * $XFree86: xc/lib/fontconfig/src/fcdbg.c,v 1.10 2002/08/22 18:53:22 keithp Exp $
   3  *
   4  * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
   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 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.
  15  *
  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.
  23  */
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include "fcint.h"
  28
  29 void
  30 FcValuePrint (const FcValue v)
  31 {
  32     FcStrBuf    buf;
  33     FcChar8     init_buf[1024];
  34
  35     switch (v.type) {
  36     case FcTypeVoid:
  37         printf (" <void>");
  38         break;
  39     case FcTypeInteger:
  40         printf (" %d(i)", v.u.i);
  41         break;
  42     case FcTypeDouble:
  43         printf (" %g(f)", v.u.d);
  44         break;
  45     case FcTypeString:
  46         printf (" \"%s\"", v.u.s);
  47         break;
  48     case FcTypeBool:
  49         printf (" %s", v.u.b ? "FcTrue" : "FcFalse");
  50         break;
  51     case FcTypeMatrix:
  52         printf (" (%f %f; %f %f)", v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy);
  53         break;
  54     case FcTypeCharSet: /* XXX */
  55         printf (" set");
  56         break;
  57     case FcTypeLangSet:
  58         FcStrBufInit (&buf, init_buf, sizeof (init_buf));
  59         if (FcNameUnparseLangSet (&buf, v.u.l) && FcStrBufChar (&buf,'\0'))
  60             printf (" %s", buf.buf);
  61         else
  62             printf ("langset (alloc error)");
  63         FcStrBufDestroy (&buf);
  64         break;
  65     case FcTypeFTFace:
  66         printf (" face");
  67         break;
  68     }
  69 }
  70
  71 void
  72 FcValueListPrint (const FcValueList *l)
  73 {
  74     for (; l; l = l->next)
  75     {
  76         FcValuePrint (l->value);
  77         switch (l->binding) {
  78         case FcValueBindingWeak:
  79             printf ("(w)");
  80             break;
  81         case FcValueBindingStrong:
  82             printf ("(s)");
  83             break;
  84         case FcValueBindingSame:
  85             printf ("(=)");
  86             break;
  87         }
  88     }
  89 }
  90
  91 void
  92 FcPatternPrint (const FcPattern *p)
  93 {
  94     int             i;
  95     FcPatternElt   *e;
  96
  97     if (!p)
  98     {
  99         printf ("Null pattern\n");
 100         return;
 101     }
 102     printf ("Pattern %d of %d\n", p->num, p->size);
 103     for (i = 0; i < p->num; i++)
 104     {
 105         e = &p->elts[i];
 106         printf ("\t%s:", e->object);
 107         FcValueListPrint (e->values);
 108         printf ("\n");
 109     }
 110     printf ("\n");
 111 }
 112
 113 void
 114 FcOpPrint (FcOp op)
 115 {
 116     switch (op) {
 117     case FcOpInteger: printf ("Integer"); break;
 118     case FcOpDouble: printf ("Double"); break;
 119     case FcOpString: printf ("String"); break;
 120     case FcOpMatrix: printf ("Matrix"); break;
 121     case FcOpBool: printf ("Bool"); break;
 122     case FcOpCharSet: printf ("CharSet"); break;
 123     case FcOpField: printf ("Field"); break;
 124     case FcOpConst: printf ("Const"); break;
 125     case FcOpAssign: printf ("Assign"); break;
 126     case FcOpAssignReplace: printf ("AssignReplace"); break;
 127     case FcOpPrepend: printf ("Prepend"); break;
 128     case FcOpPrependFirst: printf ("PrependFirst"); break;
 129     case FcOpAppend: printf ("Append"); break;
 130     case FcOpAppendLast: printf ("AppendLast"); break;
 131     case FcOpQuest: printf ("Quest"); break;
 132     case FcOpOr: printf ("Or"); break;
 133     case FcOpAnd: printf ("And"); break;
 134     case FcOpEqual: printf ("Equal"); break;
 135     case FcOpNotEqual: printf ("NotEqual"); break;
 136     case FcOpLess: printf ("Less"); break;
 137     case FcOpLessEqual: printf ("LessEqual"); break;
 138     case FcOpMore: printf ("More"); break;
 139     case FcOpMoreEqual: printf ("MoreEqual"); break;
 140     case FcOpContains: printf ("Contains"); break;
 141     case FcOpNotContains: printf ("NotContains"); break;
 142     case FcOpPlus: printf ("Plus"); break;
 143     case FcOpMinus: printf ("Minus"); break;
 144     case FcOpTimes: printf ("Times"); break;
 145     case FcOpDivide: printf ("Divide"); break;
 146     case FcOpNot: printf ("Not"); break;
 147     case FcOpNil: printf ("Nil"); break;
 148     case FcOpComma: printf ("Comma"); break;
 149     case FcOpInvalid: printf ("Invalid"); break;
 150     }
 151 }
 152
 153 void
 154 FcExprPrint (const FcExpr *expr)
 155 {
 156     switch (expr->op) {
 157     case FcOpInteger: printf ("%d", expr->u.ival); break;
 158     case FcOpDouble: printf ("%g", expr->u.dval); break;
 159     case FcOpString: printf ("\"%s\"", expr->u.sval); break;
 160     case FcOpMatrix: printf ("[%g %g %g %g]",
 161                               expr->u.mval->xx,
 162                               expr->u.mval->xy,
 163                               expr->u.mval->yx,
 164                               expr->u.mval->yy); break;
 165     case FcOpBool: printf ("%s", expr->u.bval ? "true" : "false"); break;
 166     case FcOpCharSet: printf ("charset\n"); break;
 167     case FcOpNil: printf ("nil\n"); break;
 168     case FcOpField: printf ("%s", expr->u.field); break;
 169     case FcOpConst: printf ("%s", expr->u.constant); break;
 170     case FcOpQuest:
 171         FcExprPrint (expr->u.tree.left);
 172         printf (" quest ");
 173         FcExprPrint (expr->u.tree.right->u.tree.left);
 174         printf (" colon ");
 175         FcExprPrint (expr->u.tree.right->u.tree.right);
 176         break;
 177     case FcOpAssign:
 178     case FcOpAssignReplace:
 179     case FcOpPrependFirst:
 180     case FcOpPrepend:
 181     case FcOpAppend:
 182     case FcOpAppendLast:
 183     case FcOpOr:
 184     case FcOpAnd:
 185     case FcOpEqual:
 186     case FcOpNotEqual:
 187     case FcOpLess:
 188     case FcOpLessEqual:
 189     case FcOpMore:
 190     case FcOpMoreEqual:
 191     case FcOpContains:
 192     case FcOpNotContains:
 193     case FcOpPlus:
 194     case FcOpMinus:
 195     case FcOpTimes:
 196     case FcOpDivide:
 197     case FcOpComma:
 198         FcExprPrint (expr->u.tree.left);
 199         printf (" ");
 200         switch (expr->op) {
 201         case FcOpAssign: printf ("Assign"); break;
 202         case FcOpAssignReplace: printf ("AssignReplace"); break;
 203         case FcOpPrependFirst: printf ("PrependFirst"); break;
 204         case FcOpPrepend: printf ("Prepend"); break;
 205         case FcOpAppend: printf ("Append"); break;
 206         case FcOpAppendLast: printf ("AppendLast"); break;
 207         case FcOpOr: printf ("Or"); break;
 208         case FcOpAnd: printf ("And"); break;
 209         case FcOpEqual: printf ("Equal"); break;
 210         case FcOpNotEqual: printf ("NotEqual"); break;
 211         case FcOpLess: printf ("Less"); break;
 212         case FcOpLessEqual: printf ("LessEqual"); break;
 213         case FcOpMore: printf ("More"); break;
 214         case FcOpMoreEqual: printf ("MoreEqual"); break;
 215         case FcOpContains: printf ("Contains"); break;
 216         case FcOpNotContains: printf ("NotContains"); break;
 217         case FcOpPlus: printf ("Plus"); break;
 218         case FcOpMinus: printf ("Minus"); break;
 219         case FcOpTimes: printf ("Times"); break;
 220         case FcOpDivide: printf ("Divide"); break;
 221         case FcOpComma: printf ("Comma"); break;
 222         default: break;
 223         }
 224         printf (" ");
 225         FcExprPrint (expr->u.tree.right);
 226         break;
 227     case FcOpNot:
 228         printf ("Not ");
 229         FcExprPrint (expr->u.tree.left);
 230         break;
 231     case FcOpInvalid: printf ("Invalid"); break;
 232     }
 233 }
 234
 235 void
 236 FcTestPrint (const FcTest *test)
 237 {
 238     switch (test->kind) {
 239     case FcMatchPattern:
 240         printf ("pattern ");
 241         break;
 242     case FcMatchFont:
 243         printf ("font ");
 244         break;
 245     }
 246     switch (test->qual) {
 247     case FcQualAny:
 248         printf ("any ");
 249         break;
 250     case FcQualAll:
 251         printf ("all ");
 252         break;
 253     case FcQualFirst:
 254         printf ("first ");
 255         break;
 256     case FcQualNotFirst:
 257         printf ("not_first ");
 258         break;
 259     }
 260     printf ("%s ", test->field);
 261     FcOpPrint (test->op);
 262     printf (" ");
 263     FcExprPrint (test->expr);
 264     printf ("\n");
 265 }
 266
 267 void
 268 FcEditPrint (const FcEdit *edit)
 269 {
 270     printf ("Edit %s ", edit->field);
 271     FcOpPrint (edit->op);
 272     printf (" ");
 273     FcExprPrint (edit->expr);
 274 }
 275
 276 void
 277 FcSubstPrint (const FcSubst *subst)
 278 {
 279     FcEdit      *e;
 280     FcTest      *t;
 281
 282     printf ("match\n");
 283     for (t = subst->test; t; t = t->next)
 284     {
 285         printf ("\t");
 286         FcTestPrint (t);
 287     }
 288     printf ("edit\n");
 289     for (e = subst->edit; e; e = e->next)
 290     {
 291         printf ("\t");
 292         FcEditPrint (e);
 293         printf (";\n");
 294     }
 295     printf ("\n");
 296 }
 297
 298 void
 299 FcFontSetPrint (const FcFontSet *s)
 300 {
 301     int     i;
 302
 303     printf ("FontSet %d of %d\n", s->nfont, s->sfont);
 304     for (i = 0; i < s->nfont; i++)
 305     {
 306         printf ("Font %d ", i);
 307         FcPatternPrint (s->fonts[i]);
 308     }
 309 }
 310
 311 int
 312 FcDebug (void)
 313 {
 314     static int  initialized;
 315     static int  debug;
 316
 317     if (!initialized)
 318     {
 319         char    *e;
 320
 321         initialized = 1;
 322         e = getenv ("FC_DEBUG");
 323         if (e)
 324         {
 325             printf ("FC_DEBUG=%s\n", e);
 326             debug = atoi (e);
 327             if (debug < 0)
 328                 debug = 0;
 329         }
 330     }
 331     return debug;
 332 }