fcxml.c 37.6 KB
Newer Older
Keith Packard's avatar
Keith Packard committed
1
/*
2
 * $XFree86: xc/lib/fontconfig/src/fcxml.c,v 1.17 2002/07/31 01:36:37 keithp Exp $
Keith Packard's avatar
Keith Packard committed
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
 *
 * Copyright  2002 Keith Packard, member of The XFree86 Project, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Keith Packard not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Keith Packard makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#include <stdarg.h>
#include "fcint.h"
27

28 29 30 31 32 33 34 35
#ifndef HAVE_EXPAT
#define HAVE_EXPAT 1
#endif

#ifndef HAVE_XML2
#define HAVE_XML2 0
#endif

36
#if HAVE_EXPAT
37 38 39
#ifndef HAVE_XMLPARSE_H
#define HAVE_XMLPARSE_H 0
#endif
40 41 42 43 44
#if HAVE_XMLPARSE_H
#include <xmlparse.h>
#else
#include <expat.h>
#endif
45 46 47 48 49
#endif

#if HAVE_XML2
#include "fclibxml2.h"
#endif
Keith Packard's avatar
Keith Packard committed
50 51

FcTest *
52 53 54 55 56
FcTestCreate (FcMatchKind   kind, 
	      FcQual	    qual,
	      const FcChar8 *field,
	      FcOp	    compare,
	      FcExpr	    *expr)
Keith Packard's avatar
Keith Packard committed
57
{
58
    FcTest	*test = (FcTest *) malloc (sizeof (FcTest));
Keith Packard's avatar
Keith Packard committed
59 60 61 62

    if (test)
    {
	test->next = 0;
63
	test->kind = kind;
Keith Packard's avatar
Keith Packard committed
64
	test->qual = qual;
65
	test->field = (char *) FcStrCopy (field);
Keith Packard's avatar
Keith Packard committed
66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
	test->op = compare;
	test->expr = expr;
    }
    return test;
}

void
FcTestDestroy (FcTest *test)
{
    if (test->next)
	FcTestDestroy (test->next);
    FcExprDestroy (test->expr);
    FcStrFree ((FcChar8 *) test->field);
    free (test);
}

FcExpr *
FcExprCreateInteger (int i)
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpInteger;
	e->u.ival = i;
    }
    return e;
}

FcExpr *
FcExprCreateDouble (double d)
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpDouble;
	e->u.dval = d;
    }
    return e;
}

FcExpr *
109
FcExprCreateString (const FcChar8 *s)
Keith Packard's avatar
Keith Packard committed
110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpString;
	e->u.sval = FcStrCopy (s);
    }
    return e;
}

FcExpr *
FcExprCreateMatrix (const FcMatrix *m)
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpMatrix;
	e->u.mval = FcMatrixCopy (m);
    }
    return e;
}

FcExpr *
FcExprCreateBool (FcBool b)
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpBool;
	e->u.bval = b;
    }
    return e;
}

FcExpr *
FcExprCreateNil (void)
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpNil;
    }
    return e;
}

FcExpr *
FcExprCreateField (const char *field)
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpField;
167
	e->u.field = (char *) FcStrCopy ((FcChar8 *) field);
Keith Packard's avatar
Keith Packard committed
168 169 170 171 172
    }
    return e;
}

FcExpr *
173
FcExprCreateConst (const FcChar8 *constant)
Keith Packard's avatar
Keith Packard committed
174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = FcOpConst;
	e->u.constant = FcStrCopy (constant);
    }
    return e;
}

FcExpr *
FcExprCreateOp (FcExpr *left, FcOp op, FcExpr *right)
{
    FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr));

    if (e)
    {
	e->op = op;
	e->u.tree.left = left;
	e->u.tree.right = right;
    }
    return e;
}

void
FcExprDestroy (FcExpr *e)
{
    switch (e->op) {
    case FcOpInteger:
	break;
    case FcOpDouble:
	break;
    case FcOpString:
	FcStrFree (e->u.sval);
	break;
    case FcOpMatrix:
	FcMatrixFree (e->u.mval);
	break;
    case FcOpCharSet:
	FcCharSetDestroy (e->u.cval);
	break;
    case FcOpBool:
	break;
    case FcOpField:
219
	FcStrFree ((FcChar8 *) e->u.field);
Keith Packard's avatar
Keith Packard committed
220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258
	break;
    case FcOpConst:
	FcStrFree (e->u.constant);
	break;
    case FcOpAssign:
    case FcOpAssignReplace:
    case FcOpPrepend:
    case FcOpPrependFirst:
    case FcOpAppend:
    case FcOpAppendLast:
	break;
    case FcOpOr:
    case FcOpAnd:
    case FcOpEqual:
    case FcOpContains:
    case FcOpNotEqual:
    case FcOpLess:
    case FcOpLessEqual:
    case FcOpMore:
    case FcOpMoreEqual:
    case FcOpPlus:
    case FcOpMinus:
    case FcOpTimes:
    case FcOpDivide:
    case FcOpQuest:
    case FcOpComma:
	FcExprDestroy (e->u.tree.right);
	/* fall through */
    case FcOpNot:
	FcExprDestroy (e->u.tree.left);
	break;
    case FcOpNil:
    case FcOpInvalid:
	break;
    }
    free (e);
}

FcEdit *
259
FcEditCreate (const char *field, FcOp op, FcExpr *expr, FcValueBinding binding)
Keith Packard's avatar
Keith Packard committed
260 261 262 263 264 265 266 267 268
{
    FcEdit *e = (FcEdit *) malloc (sizeof (FcEdit));

    if (e)
    {
	e->next = 0;
	e->field = field;   /* already saved in grammar */
	e->op = op;
	e->expr = expr;
269
	e->binding = binding;
Keith Packard's avatar
Keith Packard committed
270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286
    }
    return e;
}

void
FcEditDestroy (FcEdit *e)
{
    if (e->next)
	FcEditDestroy (e->next);
    FcStrFree ((FcChar8 *) e->field);
    if (e->expr)
	FcExprDestroy (e->expr);
}

char *
FcConfigSaveField (const char *field)
{
287
    return (char *) FcStrCopy ((FcChar8 *) field);
Keith Packard's avatar
Keith Packard committed
288 289
}

290 291 292 293 294 295 296 297 298 299 300
typedef enum _FcElement {
    FcElementNone,
    FcElementFontconfig,
    FcElementDir,
    FcElementCache,
    FcElementInclude,
    FcElementConfig,
    FcElementMatch,
    FcElementAlias,
	
    FcElementBlank,
301
    FcElementRescan,
302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350

    FcElementPrefer,
    FcElementAccept,
    FcElementDefault,
    FcElementFamily,

    FcElementTest,
    FcElementEdit,
    FcElementInt,
    FcElementDouble,
    FcElementString,
    FcElementMatrix,
    FcElementBool,
    FcElementCharset,
    FcElementName,
    FcElementConst,
    FcElementOr,
    FcElementAnd,
    FcElementEq,
    FcElementNotEq,
    FcElementLess,
    FcElementLessEq,
    FcElementMore,
    FcElementMoreEq,
    FcElementPlus,
    FcElementMinus,
    FcElementTimes,
    FcElementDivide,
    FcElementNot,
    FcElementIf,
    FcElementUnknown
} FcElement;

static FcElement
FcElementMap (const XML_Char *name)
{
    static struct {
	char	    *name;
	FcElement   element;
    } fcElementMap[] = {
	{ "fontconfig",	FcElementFontconfig },
	{ "dir",	FcElementDir },
	{ "cache",	FcElementCache },
	{ "include",	FcElementInclude },
	{ "config",	FcElementConfig },
	{ "match",	FcElementMatch },
	{ "alias",	FcElementAlias },
	
	{ "blank",	FcElementBlank },
351
	{ "rescan",	FcElementRescan },
352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450

	{ "prefer",	FcElementPrefer },
	{ "accept",	FcElementAccept },
	{ "default",	FcElementDefault },
	{ "family",	FcElementFamily },

	{ "test",	FcElementTest },
	{ "edit",	FcElementEdit },
	{ "int",	FcElementInt },
	{ "double",	FcElementDouble },
	{ "string",	FcElementString },
	{ "matrix",	FcElementMatrix },
	{ "bool",	FcElementBool },
	{ "charset",	FcElementCharset },
	{ "name",	FcElementName },
	{ "const",	FcElementConst },
	{ "or",		FcElementOr },
	{ "and",	FcElementAnd },
	{ "eq",		FcElementEq },
	{ "not_eq",	FcElementNotEq },
	{ "less",	FcElementLess },
	{ "less_eq",	FcElementLessEq },
	{ "more",	FcElementMore },
	{ "more_eq",	FcElementMoreEq },
	{ "plus",	FcElementPlus },
	{ "minus",	FcElementMinus },
	{ "times",	FcElementTimes },
	{ "divide",	FcElementDivide },
	{ "not",	FcElementNot },
	{ "if",		FcElementIf },
	
	{ 0,		0 }
    };

    int	    i;
    for (i = 0; fcElementMap[i].name; i++)
	if (!strcmp ((char *) name, fcElementMap[i].name))
	    return fcElementMap[i].element;
    return FcElementUnknown;
}

typedef struct _FcPStack {
    struct _FcPStack   *prev;
    FcElement		element;
    FcChar8		**attr;
    FcStrBuf		str;
} FcPStack;
    
typedef enum _FcVStackTag {
    FcVStackNone,

    FcVStackString,
    FcVStackFamily,
    FcVStackField,
    FcVStackConstant,
    
    FcVStackPrefer,
    FcVStackAccept,
    FcVStackDefault,
    
    FcVStackInteger,
    FcVStackDouble,
    FcVStackMatrix,
    FcVStackBool,
    
    FcVStackTest,
    FcVStackExpr,
    FcVStackEdit
} FcVStackTag;

typedef struct _FcVStack {
    struct _FcVStack	*prev;
    FcPStack		*pstack;	/* related parse element */
    FcVStackTag		tag;
    union {
	FcChar8		*string;

	int		integer;
	double		_double;
	FcMatrix	*matrix;
	FcBool		bool;

	FcTest		*test;
	FcQual		qual;
	FcOp		op;
	FcExpr		*expr;
	FcEdit		*edit;
    } u;
} FcVStack;

typedef struct _FcConfigParse {
    FcPStack	    *pstack;
    FcVStack	    *vstack;
    FcBool	    error;
    const FcChar8   *name;
    FcConfig	    *config;
    XML_Parser	    parser;
} FcConfigParse;

451 452 453 454
typedef enum _FcConfigSeverity {
    FcSevereInfo, FcSevereWarning, FcSevereError
} FcConfigSeverity;

Keith Packard's avatar
Keith Packard committed
455
static void
456
FcConfigMessage (FcConfigParse *parse, FcConfigSeverity severe, char *fmt, ...)
Keith Packard's avatar
Keith Packard committed
457
{
458
    char	*s = "unknown";
Keith Packard's avatar
Keith Packard committed
459 460 461
    va_list	args;

    va_start (args, fmt);
462 463 464 465 466 467

    switch (severe) {
    case FcSevereInfo: s = "info"; break;
    case FcSevereWarning: s = "warning"; break;
    case FcSevereError: s = "error"; break;
    }
468 469 470
    if (parse)
    {
	if (parse->name)
471
	    fprintf (stderr, "Fontconfig %s: \"%s\", line %d: ", s,
472 473
		     parse->name, XML_GetCurrentLineNumber (parse->parser));
	else
474
	    fprintf (stderr, "Fontconfig %s: line %d: ", s,
475
		     XML_GetCurrentLineNumber (parse->parser));
476 477
	if (severe >= FcSevereError)
	    parse->error = FcTrue;
478 479
    }
    else
480
	fprintf (stderr, "Fontconfig %s: ", s);
Keith Packard's avatar
Keith Packard committed
481 482 483 484 485
    vfprintf (stderr, fmt, args);
    fprintf (stderr, "\n");
    va_end (args);
}

486 487
static void
FcVStackPush (FcConfigParse *parse, FcVStack *vstack)
Keith Packard's avatar
Keith Packard committed
488
{
489 490 491
    vstack->prev = parse->vstack;
    vstack->pstack = parse->pstack ? parse->pstack->prev : 0;
    parse->vstack = vstack;
Keith Packard's avatar
Keith Packard committed
492 493
}

494 495
static FcVStack *
FcVStackCreate (void)
Keith Packard's avatar
Keith Packard committed
496
{
497
    FcVStack    *new;
Keith Packard's avatar
Keith Packard committed
498

499 500 501 502 503 504 505
    new = malloc (sizeof (FcVStack));
    if (!new)
	return 0;
    new->tag = FcVStackNone;
    new->prev = 0;
    return new;
}
Keith Packard's avatar
Keith Packard committed
506

507 508
static void
FcVStackDestroy (FcVStack *vstack)
Keith Packard's avatar
Keith Packard committed
509
{
510
    FcVStack    *prev;
Keith Packard's avatar
Keith Packard committed
511

512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546
    for (; vstack; vstack = prev)
    {
	prev = vstack->prev;
	switch (vstack->tag) {
	case FcVStackNone:
	    break;
	case FcVStackString:
	case FcVStackFamily:
	case FcVStackField:
	case FcVStackConstant:
	    FcStrFree (vstack->u.string);
	    break;
	case FcVStackInteger:
	case FcVStackDouble:
	    break;
	case FcVStackMatrix:
	    FcMatrixFree (vstack->u.matrix);
	    break;
	case FcVStackBool:
	    break;
	case FcVStackTest:
	    FcTestDestroy (vstack->u.test);
	    break;
	case FcVStackExpr:
	case FcVStackPrefer:
	case FcVStackAccept:
	case FcVStackDefault:
	    FcExprDestroy (vstack->u.expr);
	    break;
	case FcVStackEdit:
	    FcEditDestroy (vstack->u.edit);
	    break;
	}
	free (vstack);
    }
Keith Packard's avatar
Keith Packard committed
547 548 549
}

static FcBool
550
FcVStackPushString (FcConfigParse *parse, FcVStackTag tag, FcChar8 *string)
Keith Packard's avatar
Keith Packard committed
551
{
552 553 554 555 556 557 558
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
	return FcFalse;
    vstack->u.string = string;
    vstack->tag = tag;
    FcVStackPush (parse, vstack);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
559 560 561
}

static FcBool
562
FcVStackPushInteger (FcConfigParse *parse, int integer)
Keith Packard's avatar
Keith Packard committed
563
{
564 565
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
566
	return FcFalse;
567 568 569 570
    vstack->u.integer = integer;
    vstack->tag = FcVStackInteger;
    FcVStackPush (parse, vstack);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
571 572 573
}

static FcBool
574
FcVStackPushDouble (FcConfigParse *parse, double _double)
Keith Packard's avatar
Keith Packard committed
575
{
576 577
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
578
	return FcFalse;
579 580 581 582
    vstack->u._double = _double;
    vstack->tag = FcVStackDouble;
    FcVStackPush (parse, vstack);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
583 584 585
}

static FcBool
586
FcVStackPushMatrix (FcConfigParse *parse, FcMatrix *matrix)
Keith Packard's avatar
Keith Packard committed
587
{
588 589
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
590
	return FcFalse;
591 592
    matrix = FcMatrixCopy (matrix);
    if (!matrix)
Keith Packard's avatar
Keith Packard committed
593
    {
594 595
	FcVStackDestroy (vstack);
	return FcFalse;
Keith Packard's avatar
Keith Packard committed
596
    }
597 598 599 600
    vstack->u.matrix = matrix;
    vstack->tag = FcVStackMatrix;
    FcVStackPush (parse, vstack);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
601 602 603
}

static FcBool
604
FcVStackPushBool (FcConfigParse *parse, FcBool bool)
Keith Packard's avatar
Keith Packard committed
605
{
606 607 608 609 610 611 612 613
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
	return FcFalse;
    vstack->u.bool = bool;
    vstack->tag = FcVStackBool;
    FcVStackPush (parse, vstack);
    return FcTrue;
}
Keith Packard's avatar
Keith Packard committed
614

615 616 617 618 619
static FcBool
FcVStackPushTest (FcConfigParse *parse, FcTest *test)
{
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
620
	return FcFalse;
621 622 623
    vstack->u.test = test;
    vstack->tag = FcVStackTest;
    FcVStackPush (parse, vstack);
Keith Packard's avatar
Keith Packard committed
624 625 626 627
    return FcTrue;
}

static FcBool
628
FcVStackPushExpr (FcConfigParse *parse, FcVStackTag tag, FcExpr *expr)
Keith Packard's avatar
Keith Packard committed
629
{
630 631 632 633 634 635 636 637
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
	return FcFalse;
    vstack->u.expr = expr;
    vstack->tag = tag;
    FcVStackPush (parse, vstack);
    return FcTrue;
}
Keith Packard's avatar
Keith Packard committed
638

639 640 641 642 643
static FcBool
FcVStackPushEdit (FcConfigParse *parse, FcEdit *edit)
{
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
644
	return FcFalse;
645 646 647
    vstack->u.edit = edit;
    vstack->tag = FcVStackEdit;
    FcVStackPush (parse, vstack);
Keith Packard's avatar
Keith Packard committed
648 649 650
    return FcTrue;
}

651 652
static FcVStack *
FcVStackFetch (FcConfigParse *parse, int off)
Keith Packard's avatar
Keith Packard committed
653
{
654
    FcVStack    *vstack;
Keith Packard's avatar
Keith Packard committed
655

656 657 658 659 660 661 662 663
    for (vstack = parse->vstack; vstack && off-- > 0; vstack = vstack->prev);
    return vstack;
}

static void
FcVStackClear (FcConfigParse *parse)
{
    while (parse->vstack && parse->vstack->pstack == parse->pstack)
Keith Packard's avatar
Keith Packard committed
664
    {
665 666 667 668
	FcVStack    *vstack = parse->vstack;
	parse->vstack = vstack->prev;
	vstack->prev = 0;
	FcVStackDestroy (vstack);
Keith Packard's avatar
Keith Packard committed
669 670 671
    }
}

672 673
static FcVStack *
FcVStackPop (FcConfigParse *parse)
Keith Packard's avatar
Keith Packard committed
674
{
675
    FcVStack	*vstack = parse->vstack;
Keith Packard's avatar
Keith Packard committed
676
    
677
    if (!vstack || vstack->pstack != parse->pstack)
Keith Packard's avatar
Keith Packard committed
678
	return 0;
679 680 681 682 683 684 685 686 687 688 689 690 691 692
    parse->vstack = vstack->prev;
    vstack->prev = 0;
    return vstack;
}

static int
FcVStackElements (FcConfigParse *parse)
{
    int		h = 0;
    FcVStack	*vstack = parse->vstack;
    while (vstack && vstack->pstack == parse->pstack)
    {
	h++;
	vstack = vstack->prev;
Keith Packard's avatar
Keith Packard committed
693
    }
694
    return h;
Keith Packard's avatar
Keith Packard committed
695 696
}

697 698
static FcChar8 **
FcConfigSaveAttr (const XML_Char **attr)
Keith Packard's avatar
Keith Packard committed
699
{
700 701 702 703 704
    int		n;
    int		slen;
    int		i;
    FcChar8	**new;
    FcChar8	*s;
Keith Packard's avatar
Keith Packard committed
705

706 707 708 709 710 711 712 713 714 715 716
    if (!attr)
	return 0;
    slen = 0;
    for (i = 0; attr[i]; i++)
	slen += strlen (attr[i]) + 1;
    n = i;
    new = malloc ((i + 1) * sizeof (FcChar8 *) + slen);
    if (!new)
	return 0;
    s = (FcChar8 *) (new + (i + 1));
    for (i = 0; attr[i]; i++)
Keith Packard's avatar
Keith Packard committed
717
    {
718 719 720
	new[i] = s;
	strcpy ((char *) s, (char *) attr[i]);
	s += strlen ((char *) s) + 1;
Keith Packard's avatar
Keith Packard committed
721
    }
722 723 724
    new[i] = 0;
    return new;
}
Keith Packard's avatar
Keith Packard committed
725

726 727 728 729 730 731 732 733 734 735
static FcBool
FcPStackPush (FcConfigParse *parse, FcElement element, const XML_Char **attr)
{
    FcPStack   *new = malloc (sizeof (FcPStack));

    if (!new)
	return FcFalse;
    new->prev = parse->pstack;
    new->element = element;
    if (attr)
Keith Packard's avatar
Keith Packard committed
736
    {
737 738
	new->attr = FcConfigSaveAttr (attr);
	if (!new->attr)
739
	    FcConfigMessage (parse, FcSevereError, "out of memory");
Keith Packard's avatar
Keith Packard committed
740
    }
741 742 743 744 745 746
    else
	new->attr = 0;
    FcStrBufInit (&new->str, 0, 0);
    parse->pstack = new;
    return FcTrue;
}
Keith Packard's avatar
Keith Packard committed
747

748 749 750 751 752 753
static FcBool
FcPStackPop (FcConfigParse *parse)
{
    FcPStack   *old;
    
    if (!parse->pstack) 
Keith Packard's avatar
Keith Packard committed
754
    {
755
	FcConfigMessage (parse, FcSevereError, "mismatching element");
756
	return FcFalse;
Keith Packard's avatar
Keith Packard committed
757
    }
758 759 760 761 762 763 764 765
    FcVStackClear (parse);
    old = parse->pstack;
    parse->pstack = old->prev;
    FcStrBufDestroy (&old->str);
    if (old->attr)
	free (old->attr);
    free (old);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
766 767
}

768 769
static FcBool
FcConfigInit (FcConfigParse *parse, const FcChar8 *name, FcConfig *config, XML_Parser parser)
Keith Packard's avatar
Keith Packard committed
770
{
771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791
    parse->pstack = 0;
    parse->vstack = 0;
    parse->error = FcFalse;
    parse->name = name;
    parse->config = config;
    parse->parser = parser;
    return FcTrue;
}

static void
FcConfigCleanup (FcConfigParse	*parse)
{
    while (parse->pstack)
	FcPStackPop (parse);
}

static const FcChar8 *
FcConfigGetAttribute (FcConfigParse *parse, char *attr)
{
    FcChar8 **attrs;
    if (!parse->pstack)
Keith Packard's avatar
Keith Packard committed
792 793
	return 0;

794 795
    attrs = parse->pstack->attr;
    while (*attrs)
Keith Packard's avatar
Keith Packard committed
796
    {
797 798 799
	if (!strcmp ((char *) *attrs, attr))
	    return attrs[1];
	attrs += 2;
Keith Packard's avatar
Keith Packard committed
800 801 802 803
    }
    return 0;
}

804 805
static void
FcStartElement(void *userData, const XML_Char *name, const XML_Char **attr)
Keith Packard's avatar
Keith Packard committed
806
{
807 808 809 810 811
    FcConfigParse   *parse = userData;
    FcElement	    element;
    
    element = FcElementMap (name);
    if (element == FcElementUnknown)
812
	FcConfigMessage (parse, FcSevereWarning, "unknown element \"%s\"", name);
813 814
    
    if (!FcPStackPush (parse, element, attr))
Keith Packard's avatar
Keith Packard committed
815
    {
816
	FcConfigMessage (parse, FcSevereError, "out of memory");
817
	return;
Keith Packard's avatar
Keith Packard committed
818
    }
819 820
    return;
}
Keith Packard's avatar
Keith Packard committed
821

822 823 824 825 826
static void
FcParseBlank (FcConfigParse *parse)
{
    int	    n = FcVStackElements (parse);
    while (n-- > 0)
Keith Packard's avatar
Keith Packard committed
827
    {
828 829
	FcVStack    *v = FcVStackFetch (parse, n);
	if (v->tag != FcVStackInteger)
830
	    FcConfigMessage (parse, FcSevereError, "non-integer blank");
831
	else
Keith Packard's avatar
Keith Packard committed
832
	{
833
	    if (!parse->config->blanks)
Keith Packard's avatar
Keith Packard committed
834
	    {
835 836 837
		parse->config->blanks = FcBlanksCreate ();
		if (!parse->config->blanks)
		{
838
		    FcConfigMessage (parse, FcSevereError, "out of memory");
839 840
		    break;
		}
Keith Packard's avatar
Keith Packard committed
841
	    }
842
	    if (!FcBlanksAdd (parse->config->blanks, v->u.integer))
Keith Packard's avatar
Keith Packard committed
843
	    {
844
		FcConfigMessage (parse, FcSevereError, "out of memory");
845
		break;
Keith Packard's avatar
Keith Packard committed
846 847 848
	    }
	}
    }
849
}
Keith Packard's avatar
Keith Packard committed
850

851 852 853 854 855 856 857 858 859 860 861 862 863 864
static void
FcParseRescan (FcConfigParse *parse)
{
    int	    n = FcVStackElements (parse);
    while (n-- > 0)
    {
	FcVStack    *v = FcVStackFetch (parse, n);
	if (v->tag != FcVStackInteger)
	    FcConfigMessage (parse, FcSevereWarning, "non-integer rescan");
	else
	    parse->config->rescanInterval = v->u.integer;
    }
}

865 866 867 868 869 870 871 872 873 874
static void
FcParseInt (FcConfigParse *parse)
{
    FcChar8 *s, *end;
    int	    l;
    
    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
Keith Packard's avatar
Keith Packard committed
875
    {
876
	FcConfigMessage (parse, FcSevereError, "out of memory");
877
	return;
Keith Packard's avatar
Keith Packard committed
878
    }
879 880 881
    end = 0;
    l = (int) strtol ((char *) s, (char **)&end, 0);
    if (end != s + strlen ((char *) s))
882
	FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid integer", s);
883 884 885
    else
	FcVStackPushInteger (parse, l);
    FcStrFree (s);
Keith Packard's avatar
Keith Packard committed
886 887
}

888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942
/*
 * idea copied from glib g_ascii_strtod with 
 * permission of the author (Alexander Larsson) 
 */

#include <locale.h>

static double 
FcStrtod (char *s, char **end)
{
    struct lconv    *locale_data;
    char	    *dot;
    double	    v;

    /*
     * Have to swap the decimal point to match the current locale
     * if that locale doesn't use 0x2e
     */
    if ((dot = strchr (s, 0x2e)) &&
	(locale_data = localeconv ()) &&
	(locale_data->decimal_point[0] != 0x2e ||
	 locale_data->decimal_point[1] != 0))
    {
	char	buf[128];
	int	slen = strlen (s);
	int	dlen = strlen (locale_data->decimal_point);
	
	if (slen + dlen > sizeof (buf))
	{
	    if (end)
		*end = s;
	    v = 0;
	}
	else
	{
	    char	*buf_end;
	    /* mantissa */
	    strncpy (buf, s, dot - s);
	    /* decimal point */
	    strcpy (buf + (dot - s), locale_data->decimal_point);
	    /* rest of number */
	    strcpy (buf + (dot - s) + dlen, dot + 1);
	    buf_end = 0;
	    v = strtod (buf, &buf_end);
	    if (buf_end)
		buf_end = s + (buf_end - buf);
	    if (end)
		*end = buf_end;
	}
    }
    else
	v = strtod (s, end);
    return v;
}

943 944
static void
FcParseDouble (FcConfigParse *parse)
Keith Packard's avatar
Keith Packard committed
945
{
946 947
    FcChar8 *s, *end;
    double  d;
Keith Packard's avatar
Keith Packard committed
948
    
949 950 951 952
    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
Keith Packard's avatar
Keith Packard committed
953
    {
954
	FcConfigMessage (parse, FcSevereError, "out of memory");
955
	return;
Keith Packard's avatar
Keith Packard committed
956
    }
957
    end = 0;
958
    d = FcStrtod ((char *) s, (char **)&end);
959
    if (end != s + strlen ((char *) s))
960
	FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid double", s);
Keith Packard's avatar
Keith Packard committed
961
    else
962 963 964
	FcVStackPushDouble (parse, d);
    FcStrFree (s);
}
Keith Packard's avatar
Keith Packard committed
965

966 967 968 969 970 971 972 973 974 975
static void
FcParseString (FcConfigParse *parse, FcVStackTag tag)
{
    FcChar8 *s;
    
    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
    {
976
	FcConfigMessage (parse, FcSevereError, "out of memory");
977 978 979 980 981 982 983 984 985 986 987 988 989 990 991
	return;
    }
    if (!FcVStackPushString (parse, tag, s))
	FcStrFree (s);
}

static void
FcParseMatrix (FcConfigParse *parse)
{
    FcVStack	*vstack;
    enum { m_done, m_xx, m_xy, m_yx, m_yy } matrix_state = m_yy;
    FcMatrix	m;
    
    while ((vstack = FcVStackPop (parse)))
    {
992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010
	double	v;
	switch (vstack->tag) {
	case FcVStackInteger:
	    v = vstack->u.integer;
	    break;
	case FcVStackDouble:
	    v = vstack->u._double;
	    break;
	default:
	    FcConfigMessage (parse, FcSevereError, "non-double matrix element");
	    v = 1.0;
	    break;
	}
	switch (matrix_state) {
	case m_xx: m.xx = v; break;
	case m_xy: m.xy = v; break;
	case m_yx: m.yx = v; break;
	case m_yy: m.yy = v; break;
	default: break;
1011
	}
1012
	matrix_state--;
1013 1014
    }
    if (matrix_state != m_done)
1015
	FcConfigMessage (parse, FcSevereError, "wrong number of matrix elements");
1016 1017
    else
	FcVStackPushMatrix (parse, &m);
Keith Packard's avatar
Keith Packard committed
1018 1019 1020
}

static FcBool
1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041
FcConfigLexBool (const FcChar8 *bool)
{
    if (*bool == 't' || *bool == 'T')
	return FcTrue;
    if (*bool == 'y' || *bool == 'Y')
	return FcTrue;
    if (*bool == '1')
	return FcTrue;
    return FcFalse;
}

static void
FcParseBool (FcConfigParse *parse)
{
    FcChar8 *s;

    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
    {
1042
	FcConfigMessage (parse, FcSevereError, "out of memory");
1043 1044 1045 1046 1047 1048 1049 1050
	return;
    }
    FcVStackPushBool (parse, FcConfigLexBool (s));
    FcStrFree (s);
}

static void
FcParseFamilies (FcConfigParse *parse, FcVStackTag tag)
Keith Packard's avatar
Keith Packard committed
1051
{
1052 1053 1054 1055 1056 1057 1058
    FcVStack	*vstack;
    FcExpr	*left, *expr = 0, *new;

    while ((vstack = FcVStackPop (parse)))
    {
	if (vstack->tag != FcVStackFamily)
	{
1059 1060 1061
	    FcConfigMessage (parse, FcSevereWarning, "non-family");
	    FcVStackDestroy (vstack);
	    continue;
1062 1063 1064 1065 1066 1067 1068 1069 1070
	}
	left = vstack->u.expr;
	vstack->tag = FcVStackNone;
	FcVStackDestroy (vstack);
	if (expr)
	{
	    new = FcExprCreateOp (left, FcOpComma, expr);
	    if (!new)
	    {
1071
		FcConfigMessage (parse, FcSevereError, "out of memory");
1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084
		FcExprDestroy (left);
		FcExprDestroy (expr);
		break;
	    }
	    expr = new;
	}
	else
	    expr = left;
    }
    if (expr)
    {
	if (!FcVStackPushExpr (parse, tag, expr))
	{
1085
	    FcConfigMessage (parse, FcSevereError, "out of memory");
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102
	    if (expr)
		FcExprDestroy (expr);
	}
    }
}

static void
FcParseFamily (FcConfigParse *parse)
{
    FcChar8 *s;
    FcExpr  *expr;

    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
    {
1103
	FcConfigMessage (parse, FcSevereError, "out of memory");
1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114
	return;
    }
    expr = FcExprCreateString (s);
    FcStrFree (s);
    if (expr)
	FcVStackPushExpr (parse, FcVStackFamily, expr);
}

static void
FcParseAlias (FcConfigParse *parse)
{
1115
    FcExpr	*family = 0, *accept = 0, *prefer = 0, *def = 0, *new = 0;
Keith Packard's avatar
Keith Packard committed
1116
    FcEdit	*edit = 0, *next;
1117
    FcVStack	*vstack;
Keith Packard's avatar
Keith Packard committed
1118 1119
    FcTest	*test;

1120
    while ((vstack = FcVStackPop (parse))) 
Keith Packard's avatar
Keith Packard committed
1121
    {
1122 1123 1124
	switch (vstack->tag) {
	case FcVStackFamily:
	    if (family)
1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
	    {
		new = FcExprCreateOp (vstack->u.expr, FcOpComma, family);
		if (!new)
		    FcConfigMessage (parse, FcSevereError, "out of memory");
		else
		    family = new;
	    }
	    else
		new = vstack->u.expr;
	    if (new)
	    {
		family = new;
		vstack->tag = FcVStackNone;
	    }
1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158
	    break;
	case FcVStackPrefer:
	    if (prefer)
		FcExprDestroy (prefer);
	    prefer = vstack->u.expr;
	    vstack->tag = FcVStackNone;
	    break;
	case FcVStackAccept:
	    if (accept)
		FcExprDestroy (accept);
	    accept = vstack->u.expr;
	    vstack->tag = FcVStackNone;
	    break;
	case FcVStackDefault:
	    if (def)
		FcExprDestroy (def);
	    def = vstack->u.expr;
	    vstack->tag = FcVStackNone;
	    break;
	default:
1159
	    FcConfigMessage (parse, FcSevereWarning, "bad alias");
1160 1161 1162
	    break;
	}
	FcVStackDestroy (vstack);
Keith Packard's avatar
Keith Packard committed
1163
    }
1164
    if (!family)
1165
    {
1166 1167 1168 1169 1170 1171 1172
	FcConfigMessage (parse, FcSevereError, "missing family in alias");
	if (prefer)
	    FcExprDestroy (prefer);
	if (accept)
	    FcExprDestroy (accept);
	if (def)
	    FcExprDestroy (def);
1173 1174
	return;
    }
Keith Packard's avatar
Keith Packard committed
1175 1176 1177 1178
    if (prefer)
    {
	edit = FcEditCreate (FcConfigSaveField ("family"),
			     FcOpPrepend,
1179 1180
			     prefer,
			     FcValueBindingWeak);
Keith Packard's avatar
Keith Packard committed
1181 1182
	if (edit)
	    edit->next = 0;
1183 1184
	else
	    FcExprDestroy (prefer);
Keith Packard's avatar
Keith Packard committed
1185 1186 1187 1188 1189 1190
    }
    if (accept)
    {
	next = edit;
	edit = FcEditCreate (FcConfigSaveField ("family"),
			     FcOpAppend,
1191 1192
			     accept,
			     FcValueBindingWeak);
Keith Packard's avatar
Keith Packard committed
1193 1194
	if (edit)
	    edit->next = next;
1195 1196
	else
	    FcExprDestroy (accept);
Keith Packard's avatar
Keith Packard committed
1197 1198 1199 1200 1201
    }
    if (def)
    {
	next = edit;
	edit = FcEditCreate (FcConfigSaveField ("family"),
1202 1203 1204
			     FcOpAppendLast,
			     def,
			     FcValueBindingWeak);
Keith Packard's avatar
Keith Packard committed
1205 1206
	if (edit)
	    edit->next = next;
1207 1208
	else
	    FcExprDestroy (def);
Keith Packard's avatar
Keith Packard committed
1209 1210 1211
    }
    if (edit)
    {
1212 1213
	test = FcTestCreate (FcMatchPattern,
			     FcQualAny,
Keith Packard's avatar
Keith Packard committed
1214
			     (FcChar8 *) FC_FAMILY,
Keith Packard's avatar
Keith Packard committed
1215 1216 1217
			     FcOpEqual,
			     family);
	if (test)
1218 1219
	    if (!FcConfigAddEdit (parse->config, test, edit, FcMatchPattern))
		FcTestDestroy (test);
Keith Packard's avatar
Keith Packard committed
1220
    }
1221 1222
    else
	FcExprDestroy (family);
Keith Packard's avatar
Keith Packard committed
1223 1224
}

1225 1226
static FcExpr *
FcPopExpr (FcConfigParse *parse)
Keith Packard's avatar
Keith Packard committed
1227
{
1228 1229 1230 1231 1232 1233 1234 1235 1236
    FcVStack	*vstack = FcVStackPop (parse);
    FcExpr	*expr = 0;
    if (!vstack)
	return 0;
    switch (vstack->tag) {
    case FcVStackNone:
	break;
    case FcVStackString:
    case FcVStackFamily:
1237 1238
	expr = FcExprCreateString (vstack->u.string);
	break;
1239
    case FcVStackField:
1240 1241
	expr = FcExprCreateField ((char *) vstack->u.string);
	break;
1242
    case FcVStackConstant:
1243
	expr = FcExprCreateConst (vstack->u.string);
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266
	break;
    case FcVStackPrefer:
    case FcVStackAccept:
    case FcVStackDefault:
	expr = vstack->u.expr;
	vstack->tag = FcVStackNone;
	break;
    case FcVStackInteger:
	expr = FcExprCreateInteger (vstack->u.integer);
	break;
    case FcVStackDouble:
	expr = FcExprCreateDouble (vstack->u._double);
	break;
    case FcVStackMatrix:
	expr = FcExprCreateMatrix (vstack->u.matrix);
	break;
    case FcVStackBool:
	expr = FcExprCreateBool (vstack->u.bool);
	break;
    case FcVStackTest:
	break;
    case FcVStackExpr:
	expr = vstack->u.expr;
1267
	vstack->tag = FcVStackNone;
1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
	break;
    case FcVStackEdit:
	break;
    }
    FcVStackDestroy (vstack);
    return expr;
}

static FcExpr *
FcPopExprs (FcConfigParse *parse, FcOp op)
{
    FcExpr  *left, *expr = 0, *new;
Keith Packard's avatar
Keith Packard committed
1280

1281
    while ((left = FcPopExpr (parse)))
Keith Packard's avatar
Keith Packard committed
1282
    {
1283
	if (expr)
Keith Packard's avatar
Keith Packard committed
1284
	{
1285 1286 1287
	    new = FcExprCreateOp (left, op, expr);
	    if (!new)
	    {
1288
		FcConfigMessage (parse, FcSevereError, "out of memory");
1289 1290
		FcExprDestroy (left);
		FcExprDestroy (expr);
Keith Packard's avatar
Keith Packard committed
1291
		break;
1292 1293
	    }
	    expr = new;
Keith Packard's avatar
Keith Packard committed
1294
	}
1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318
	else
	    expr = left;
    }
    return expr;
}

static void
FcParseExpr (FcConfigParse *parse, FcOp op)
{
    FcExpr  *expr = FcPopExprs (parse, op);
    if (expr)
	FcVStackPushExpr (parse, FcVStackExpr, expr);
}

static void
FcParseInclude (FcConfigParse *parse)
{
    FcChar8	    *s;
    const FcChar8   *i;
    FcBool	    ignore_missing = FcFalse;
    
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
    {
1319
	FcConfigMessage (parse, FcSevereError, "out of memory");
1320 1321 1322 1323 1324
	return;
    }
    i = FcConfigGetAttribute (parse, "ignore_missing");
    if (i && FcConfigLexBool ((FcChar8 *) i) == FcTrue)
	ignore_missing = FcTrue;
1325
    if (!FcConfigParseAndLoad (parse->config, s, !ignore_missing))
1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
	parse->error = FcTrue;
    free (s);
}

typedef struct _FcOpMap {
    char    *name;
    FcOp    op;
} FcOpMap;

static FcOp
FcConfigLexOp (const FcChar8 *op, const FcOpMap	*map, int nmap)
{
    int	i;

    for (i = 0; i < nmap; i++)
	if (!strcmp ((char *) op, map[i].name)) 
	    return map[i].op;
    return FcOpInvalid;
}

static const FcOpMap fcCompareOps[] = {
    { "eq",		FcOpEqual	    },
    { "not_eq",		FcOpNotEqual	    },
    { "less",		FcOpLess	    },
    { "less_eq",	FcOpLessEqual	    },
    { "more",		FcOpMore	    },
    { "more_eq",	FcOpMoreEqual	    }
};

#define NUM_COMPARE_OPS (sizeof fcCompareOps / sizeof fcCompareOps[0])

static FcOp
FcConfigLexCompare (const FcChar8 *compare)
{
    return FcConfigLexOp (compare, fcCompareOps, NUM_COMPARE_OPS);
}


static void
FcParseTest (FcConfigParse *parse)
{
1367 1368
    const FcChar8   *kind_string;
    FcMatchKind	    kind;
1369 1370 1371 1372 1373 1374 1375 1376
    const FcChar8   *qual_string;
    FcQual	    qual;
    const FcChar8   *name;
    const FcChar8   *compare_string;
    FcOp	    compare;
    FcExpr	    *expr;
    FcTest	    *test;

1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393
    kind_string = FcConfigGetAttribute (parse, "target");
    if (!kind_string)
	kind = FcMatchDefault;
    else
    {
	if (!strcmp ((char *) kind_string, "pattern"))
	    kind = FcMatchPattern;
	else if (!strcmp ((char *) kind_string, "font"))
	    kind = FcMatchFont;
	else if (!strcmp ((char *) kind_string, "default"))
	    kind = FcMatchDefault;
	else
	{
	    FcConfigMessage (parse, FcSevereWarning, "invalid test target \"%s\"", kind_string);
	    return;
	}
    }
1394 1395 1396 1397 1398 1399 1400 1401 1402
    qual_string = FcConfigGetAttribute (parse, "qual");
    if (!qual_string)
	qual = FcQualAny;
    else
    {
	if (!strcmp ((char *) qual_string, "any"))
	    qual = FcQualAny;
	else if (!strcmp ((char *) qual_string, "all"))
	    qual = FcQualAll;
1403 1404 1405 1406
	else if (!strcmp ((char *) qual_string, "first"))
	    qual = FcQualFirst;
	else if (!strcmp ((char *) qual_string, "not_first"))
	    qual = FcQualNotFirst;
1407
	else
Keith Packard's avatar
Keith Packard committed
1408
	{
1409
	    FcConfigMessage (parse, FcSevereWarning, "invalid test qual \"%s\"", qual_string);
1410
	    return;
Keith Packard's avatar
Keith Packard committed
1411
	}
1412 1413 1414 1415
    }
    name = FcConfigGetAttribute (parse, "name");
    if (!name)
    {
1416
	FcConfigMessage (parse, FcSevereWarning, "missing test name");
1417
	return;
1418 1419 1420 1421 1422 1423 1424 1425
    }
    compare_string = FcConfigGetAttribute (parse, "compare");
    if (!compare_string)
	compare = FcOpEqual;
    else
    {
	compare = FcConfigLexCompare (compare_string);
	if (compare == FcOpInvalid)
Keith Packard's avatar
Keith Packard committed
1426
	{
1427
	    FcConfigMessage (parse, FcSevereWarning, "invalid test compare \"%s\"", compare_string);
1428
	    return;
Keith Packard's avatar
Keith Packard committed
1429
	}
1430
    }
1431
    expr = FcPopExprs (parse, FcOpComma);
1432 1433
    if (!expr)
    {
1434
	FcConfigMessage (parse, FcSevereWarning, "missing test expression");
1435 1436
	return;
    }
1437
    test = FcTestCreate (kind, qual, name, compare, expr);
1438 1439
    if (!test)
    {
1440
	FcConfigMessage (parse, FcSevereError, "out of memory");
1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455