src/fcdbg.c

   1 /*
   2  * $XFree86: xc/lib/fontconfig/src/fcdbg.c,v 1.8 2002/08/19 19:32:05 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     switch (v.type) {
  33     case FcTypeVoid:
  34         printf (" <void>");
  35         break;
  36     case FcTypeInteger:
  37         printf (" %d", v.u.i);
  38         break;
  39     case FcTypeDouble:
  40         printf (" %g", 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 (" set");
  53         break;
  54     case FcTypeLangSet:
  55         printf (" langset");
  56         break;
  57     case FcTypeFTFace:
  58         printf (" face");
  59         break;
  60     }
  61 }
  62
  63 void
  64 FcValueListPrint (const FcValueList *l)
  65 {
  66     for (; l; l = l->next)
  67         FcValuePrint (l->value);
  68 }
  69
  70 void
  71 FcPatternPrint (const FcPattern *p)
  72 {
  73     int             i;
  74     FcPatternElt   *e;
  75
  76     if (!p)
  77     {
  78         printf ("Null pattern\n");
  79         return;
  80     }
  81     printf ("Pattern %d of %d\n", p->num, p->size);
  82     for (i = 0; i < p->num; i++)
  83     {
  84         e = &p->elts[i];
  85         printf ("\t%s:", e->object);
  86         FcValueListPrint (e->values);
  87         printf ("\n");
  88     }
  89     printf ("\n");
  90 }
  91
  92 void
  93 FcOpPrint (FcOp op)
  94 {
  95     switch (op) {
  96     case FcOpInteger: printf ("Integer"); break;
  97     case FcOpDouble: printf ("Double"); break;
  98     case FcOpString: printf ("String"); break;
  99     case FcOpMatrix: printf ("Matrix"); break;
 100     case FcOpBool: printf ("Bool"); break;
 101     case FcOpCharSet: printf ("CharSet"); break;
 102     case FcOpField: printf ("Field"); break;
 103     case FcOpConst: printf ("Const"); break;
 104     case FcOpAssign: printf ("Assign"); break;
 105     case FcOpAssignReplace: printf ("AssignReplace"); break;
 106     case FcOpPrepend: printf ("Prepend"); break;
 107     case FcOpPrependFirst: printf ("PrependFirst"); break;
 108     case FcOpAppend: printf ("Append"); break;
 109     case FcOpAppendLast: printf ("AppendLast"); break;
 110     case FcOpQuest: printf ("Quest"); break;
 111     case FcOpOr: printf ("Or"); break;
 112     case FcOpAnd: printf ("And"); break;
 113     case FcOpEqual: printf ("Equal"); break;
 114     case FcOpContains: printf ("Contains"); break;
 115     case FcOpNotEqual: printf ("NotEqual"); break;
 116     case FcOpLess: printf ("Less"); break;
 117     case FcOpLessEqual: printf ("LessEqual"); break;
 118     case FcOpMore: printf ("More"); break;
 119     case FcOpMoreEqual: printf ("MoreEqual"); break;
 120     case FcOpPlus: printf ("Plus"); break;
 121     case FcOpMinus: printf ("Minus"); break;
 122     case FcOpTimes: printf ("Times"); break;
 123     case FcOpDivide: printf ("Divide"); break;
 124     case FcOpNot: printf ("Not"); break;
 125     case FcOpNil: printf ("Nil"); break;
 126     case FcOpComma: printf ("Comma"); break;
 127     case FcOpInvalid: printf ("Invalid"); break;
 128     }
 129 }
 130
 131 void
 132 FcExprPrint (const FcExpr *expr)
 133 {
 134     switch (expr->op) {
 135     case FcOpInteger: printf ("%d", expr->u.ival); break;
 136     case FcOpDouble: printf ("%g", expr->u.dval); break;
 137     case FcOpString: printf ("\"%s\"", expr->u.sval); break;
 138     case FcOpMatrix: printf ("[%g %g %g %g]",
 139                               expr->u.mval->xx,
 140                               expr->u.mval->xy,
 141                               expr->u.mval->yx,
 142                               expr->u.mval->yy); break;
 143     case FcOpBool: printf ("%s", expr->u.bval ? "true" : "false"); break;
 144     case FcOpCharSet: printf ("charset\n"); break;
 145     case FcOpNil: printf ("nil\n"); break;
 146     case FcOpField: printf ("%s", expr->u.field); break;
 147     case FcOpConst: printf ("%s", expr->u.constant); break;
 148     case FcOpQuest:
 149         FcExprPrint (expr->u.tree.left);
 150         printf (" quest ");
 151         FcExprPrint (expr->u.tree.right->u.tree.left);
 152         printf (" colon ");
 153         FcExprPrint (expr->u.tree.right->u.tree.right);
 154         break;
 155     case FcOpAssign:
 156     case FcOpAssignReplace:
 157     case FcOpPrependFirst:
 158     case FcOpPrepend:
 159     case FcOpAppend:
 160     case FcOpAppendLast:
 161     case FcOpOr:
 162     case FcOpAnd:
 163     case FcOpEqual:
 164     case FcOpContains:
 165     case FcOpNotEqual:
 166     case FcOpLess:
 167     case FcOpLessEqual:
 168     case FcOpMore:
 169     case FcOpMoreEqual:
 170     case FcOpPlus:
 171     case FcOpMinus:
 172     case FcOpTimes:
 173     case FcOpDivide:
 174     case FcOpComma:
 175         FcExprPrint (expr->u.tree.left);
 176         printf (" ");
 177         switch (expr->op) {
 178         case FcOpAssign: printf ("Assign"); break;
 179         case FcOpAssignReplace: printf ("AssignReplace"); break;
 180         case FcOpPrependFirst: printf ("PrependFirst"); break;
 181         case FcOpPrepend: printf ("Prepend"); break;
 182         case FcOpAppend: printf ("Append"); break;
 183         case FcOpAppendLast: printf ("AppendLast"); break;
 184         case FcOpOr: printf ("Or"); break;
 185         case FcOpAnd: printf ("And"); break;
 186         case FcOpEqual: printf ("Equal"); break;
 187         case FcOpContains: printf ("Contains"); break;
 188         case FcOpNotEqual: printf ("NotEqual"); break;
 189         case FcOpLess: printf ("Less"); break;
 190         case FcOpLessEqual: printf ("LessEqual"); break;
 191         case FcOpMore: printf ("More"); break;
 192         case FcOpMoreEqual: printf ("MoreEqual"); break;
 193         case FcOpPlus: printf ("Plus"); break;
 194         case FcOpMinus: printf ("Minus"); break;
 195         case FcOpTimes: printf ("Times"); break;
 196         case FcOpDivide: printf ("Divide"); break;
 197         case FcOpComma: printf ("Comma"); break;
 198         default: break;
 199         }
 200         printf (" ");
 201         FcExprPrint (expr->u.tree.right);
 202         break;
 203     case FcOpNot:
 204         printf ("Not ");
 205         FcExprPrint (expr->u.tree.left);
 206         break;
 207     case FcOpInvalid: printf ("Invalid"); break;
 208     }
 209 }
 210
 211 void
 212 FcTestPrint (const FcTest *test)
 213 {
 214     switch (test->kind) {
 215     case FcMatchPattern:
 216         printf ("pattern ");
 217         break;
 218     case FcMatchFont:
 219         printf ("font ");
 220         break;
 221     }
 222     switch (test->qual) {
 223     case FcQualAny:
 224         printf ("any ");
 225         break;
 226     case FcQualAll:
 227         printf ("all ");
 228         break;
 229     case FcQualFirst:
 230         printf ("first ");
 231         break;
 232     case FcQualNotFirst:
 233         printf ("not_first ");
 234         break;
 235     }
 236     printf ("%s ", test->field);
 237     FcOpPrint (test->op);
 238     printf (" ");
 239     FcExprPrint (test->expr);
 240     printf ("\n");
 241 }
 242
 243 void
 244 FcEditPrint (const FcEdit *edit)
 245 {
 246     printf ("Edit %s ", edit->field);
 247     FcOpPrint (edit->op);
 248     printf (" ");
 249     FcExprPrint (edit->expr);
 250 }
 251
 252 void
 253 FcSubstPrint (const FcSubst *subst)
 254 {
 255     FcEdit      *e;
 256     FcTest      *t;
 257
 258     printf ("match\n");
 259     for (t = subst->test; t; t = t->next)
 260     {
 261         printf ("\t");
 262         FcTestPrint (t);
 263     }
 264     printf ("edit\n");
 265     for (e = subst->edit; e; e = e->next)
 266     {
 267         printf ("\t");
 268         FcEditPrint (e);
 269         printf (";\n");
 270     }
 271     printf ("\n");
 272 }
 273
 274 void
 275 FcFontSetPrint (const FcFontSet *s)
 276 {
 277     int     i;
 278
 279     printf ("FontSet %d of %d\n", s->nfont, s->sfont);
 280     for (i = 0; i < s->nfont; i++)
 281     {
 282         printf ("Font %d ", i);
 283         FcPatternPrint (s->fonts[i]);
 284     }
 285 }
 286
 287 int
 288 FcDebug (void)
 289 {
 290     static int  initialized;
 291     static int  debug;
 292
 293     if (!initialized)
 294     {
 295         char    *e;
 296
 297         initialized = 1;
 298         e = getenv ("FC_DEBUG");
 299         if (e)
 300         {
 301             printf ("FC_DEBUG=%s\n", e);
 302             debug = atoi (e);
 303             if (debug < 0)
 304                 debug = 0;
 305         }
 306     }
 307     return debug;
 308 }