fcxml.c 37.4 KB
Newer Older
Keith Packard's avatar
Keith Packard committed
1
/*
2
 * $XFree86: xc/lib/fontconfig/src/fcxml.c,v 1.19 2002/08/19 19:32:05 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
#ifndef HAVE_XMLPARSE_H
#define HAVE_XMLPARSE_H 0
#endif
31

32 33 34 35 36
#if HAVE_XMLPARSE_H
#include <xmlparse.h>
#else
#include <expat.h>
#endif
Keith Packard's avatar
Keith Packard committed
37 38

FcTest *
39 40 41 42 43
FcTestCreate (FcMatchKind   kind, 
	      FcQual	    qual,
	      const FcChar8 *field,
	      FcOp	    compare,
	      FcExpr	    *expr)
Keith Packard's avatar
Keith Packard committed
44
{
45
    FcTest	*test = (FcTest *) malloc (sizeof (FcTest));
Keith Packard's avatar
Keith Packard committed
46 47 48 49

    if (test)
    {
	test->next = 0;
50
	test->kind = kind;
Keith Packard's avatar
Keith Packard committed
51
	test->qual = qual;
52
	test->field = (char *) FcStrCopy (field);
Keith Packard's avatar
Keith Packard committed
53 54 55 56 57 58 59 60 61 62 63 64 65 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
	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 *
96
FcExprCreateString (const FcChar8 *s)
Keith Packard's avatar
Keith Packard committed
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153
{
    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;
154
	e->u.field = (char *) FcStrCopy ((FcChar8 *) field);
Keith Packard's avatar
Keith Packard committed
155 156 157 158 159
    }
    return e;
}

FcExpr *
160
FcExprCreateConst (const FcChar8 *constant)
Keith Packard's avatar
Keith Packard committed
161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205
{
    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:
206
	FcStrFree ((FcChar8 *) e->u.field);
Keith Packard's avatar
Keith Packard committed
207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245
	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 *
246
FcEditCreate (const char *field, FcOp op, FcExpr *expr, FcValueBinding binding)
Keith Packard's avatar
Keith Packard committed
247 248 249 250 251 252 253 254 255
{
    FcEdit *e = (FcEdit *) malloc (sizeof (FcEdit));

    if (e)
    {
	e->next = 0;
	e->field = field;   /* already saved in grammar */
	e->op = op;
	e->expr = expr;
256
	e->binding = binding;
Keith Packard's avatar
Keith Packard committed
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273
    }
    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)
{
274
    return (char *) FcStrCopy ((FcChar8 *) field);
Keith Packard's avatar
Keith Packard committed
275 276
}

277 278 279 280 281 282 283 284 285 286 287
typedef enum _FcElement {
    FcElementNone,
    FcElementFontconfig,
    FcElementDir,
    FcElementCache,
    FcElementInclude,
    FcElementConfig,
    FcElementMatch,
    FcElementAlias,
	
    FcElementBlank,
288
    FcElementRescan,
289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337

    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 },
338
	{ "rescan",	FcElementRescan },
339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437

	{ "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;

438 439 440 441
typedef enum _FcConfigSeverity {
    FcSevereInfo, FcSevereWarning, FcSevereError
} FcConfigSeverity;

Keith Packard's avatar
Keith Packard committed
442
static void
443
FcConfigMessage (FcConfigParse *parse, FcConfigSeverity severe, char *fmt, ...)
Keith Packard's avatar
Keith Packard committed
444
{
445
    char	*s = "unknown";
Keith Packard's avatar
Keith Packard committed
446 447 448
    va_list	args;

    va_start (args, fmt);
449 450 451 452 453 454

    switch (severe) {
    case FcSevereInfo: s = "info"; break;
    case FcSevereWarning: s = "warning"; break;
    case FcSevereError: s = "error"; break;
    }
455 456 457
    if (parse)
    {
	if (parse->name)
458
	    fprintf (stderr, "Fontconfig %s: \"%s\", line %d: ", s,
459 460
		     parse->name, XML_GetCurrentLineNumber (parse->parser));
	else
461
	    fprintf (stderr, "Fontconfig %s: line %d: ", s,
462
		     XML_GetCurrentLineNumber (parse->parser));
463 464
	if (severe >= FcSevereError)
	    parse->error = FcTrue;
465 466
    }
    else
467
	fprintf (stderr, "Fontconfig %s: ", s);
Keith Packard's avatar
Keith Packard committed
468 469 470 471 472
    vfprintf (stderr, fmt, args);
    fprintf (stderr, "\n");
    va_end (args);
}

473 474
static void
FcVStackPush (FcConfigParse *parse, FcVStack *vstack)
Keith Packard's avatar
Keith Packard committed
475
{
476 477 478
    vstack->prev = parse->vstack;
    vstack->pstack = parse->pstack ? parse->pstack->prev : 0;
    parse->vstack = vstack;
Keith Packard's avatar
Keith Packard committed
479 480
}

481 482
static FcVStack *
FcVStackCreate (void)
Keith Packard's avatar
Keith Packard committed
483
{
484
    FcVStack    *new;
Keith Packard's avatar
Keith Packard committed
485

486 487 488 489 490 491 492
    new = malloc (sizeof (FcVStack));
    if (!new)
	return 0;
    new->tag = FcVStackNone;
    new->prev = 0;
    return new;
}
Keith Packard's avatar
Keith Packard committed
493

494 495
static void
FcVStackDestroy (FcVStack *vstack)
Keith Packard's avatar
Keith Packard committed
496
{
497
    FcVStack    *prev;
Keith Packard's avatar
Keith Packard committed
498

499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533
    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
534 535 536
}

static FcBool
537
FcVStackPushString (FcConfigParse *parse, FcVStackTag tag, FcChar8 *string)
Keith Packard's avatar
Keith Packard committed
538
{
539 540 541 542 543 544 545
    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
546 547 548
}

static FcBool
549
FcVStackPushInteger (FcConfigParse *parse, int integer)
Keith Packard's avatar
Keith Packard committed
550
{
551 552
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
553
	return FcFalse;
554 555 556 557
    vstack->u.integer = integer;
    vstack->tag = FcVStackInteger;
    FcVStackPush (parse, vstack);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
558 559 560
}

static FcBool
561
FcVStackPushDouble (FcConfigParse *parse, double _double)
Keith Packard's avatar
Keith Packard committed
562
{
563 564
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
565
	return FcFalse;
566 567 568 569
    vstack->u._double = _double;
    vstack->tag = FcVStackDouble;
    FcVStackPush (parse, vstack);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
570 571 572
}

static FcBool
573
FcVStackPushMatrix (FcConfigParse *parse, FcMatrix *matrix)
Keith Packard's avatar
Keith Packard committed
574
{
575 576
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
577
	return FcFalse;
578 579
    matrix = FcMatrixCopy (matrix);
    if (!matrix)
Keith Packard's avatar
Keith Packard committed
580
    {
581 582
	FcVStackDestroy (vstack);
	return FcFalse;
Keith Packard's avatar
Keith Packard committed
583
    }
584 585 586 587
    vstack->u.matrix = matrix;
    vstack->tag = FcVStackMatrix;
    FcVStackPush (parse, vstack);
    return FcTrue;
Keith Packard's avatar
Keith Packard committed
588 589 590
}

static FcBool
591
FcVStackPushBool (FcConfigParse *parse, FcBool bool)
Keith Packard's avatar
Keith Packard committed
592
{
593 594 595 596 597 598 599 600
    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
601

602 603 604 605 606
static FcBool
FcVStackPushTest (FcConfigParse *parse, FcTest *test)
{
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
607
	return FcFalse;
608 609 610
    vstack->u.test = test;
    vstack->tag = FcVStackTest;
    FcVStackPush (parse, vstack);
Keith Packard's avatar
Keith Packard committed
611 612 613 614
    return FcTrue;
}

static FcBool
615
FcVStackPushExpr (FcConfigParse *parse, FcVStackTag tag, FcExpr *expr)
Keith Packard's avatar
Keith Packard committed
616
{
617 618 619 620 621 622 623 624
    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
625

626 627 628 629 630
static FcBool
FcVStackPushEdit (FcConfigParse *parse, FcEdit *edit)
{
    FcVStack    *vstack = FcVStackCreate ();
    if (!vstack)
Keith Packard's avatar
Keith Packard committed
631
	return FcFalse;
632 633 634
    vstack->u.edit = edit;
    vstack->tag = FcVStackEdit;
    FcVStackPush (parse, vstack);
Keith Packard's avatar
Keith Packard committed
635 636 637
    return FcTrue;
}

638 639
static FcVStack *
FcVStackFetch (FcConfigParse *parse, int off)
Keith Packard's avatar
Keith Packard committed
640
{
641
    FcVStack    *vstack;
Keith Packard's avatar
Keith Packard committed
642

643 644 645 646 647 648 649 650
    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
651
    {
652 653 654 655
	FcVStack    *vstack = parse->vstack;
	parse->vstack = vstack->prev;
	vstack->prev = 0;
	FcVStackDestroy (vstack);
Keith Packard's avatar
Keith Packard committed
656 657 658
    }
}

659 660
static FcVStack *
FcVStackPop (FcConfigParse *parse)
Keith Packard's avatar
Keith Packard committed
661
{
662
    FcVStack	*vstack = parse->vstack;
Keith Packard's avatar
Keith Packard committed
663
    
664
    if (!vstack || vstack->pstack != parse->pstack)
Keith Packard's avatar
Keith Packard committed
665
	return 0;
666 667 668 669 670 671 672 673 674 675 676 677 678 679
    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
680
    }
681
    return h;
Keith Packard's avatar
Keith Packard committed
682 683
}

684 685
static FcChar8 **
FcConfigSaveAttr (const XML_Char **attr)
Keith Packard's avatar
Keith Packard committed
686
{
687 688 689 690 691
    int		n;
    int		slen;
    int		i;
    FcChar8	**new;
    FcChar8	*s;
Keith Packard's avatar
Keith Packard committed
692

693 694 695 696 697 698 699 700 701 702 703
    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
704
    {
705 706 707
	new[i] = s;
	strcpy ((char *) s, (char *) attr[i]);
	s += strlen ((char *) s) + 1;
Keith Packard's avatar
Keith Packard committed
708
    }
709 710 711
    new[i] = 0;
    return new;
}
Keith Packard's avatar
Keith Packard committed
712

713 714 715 716 717 718 719 720 721 722
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
723
    {
724 725
	new->attr = FcConfigSaveAttr (attr);
	if (!new->attr)
726
	    FcConfigMessage (parse, FcSevereError, "out of memory");
Keith Packard's avatar
Keith Packard committed
727
    }
728 729 730 731 732 733
    else
	new->attr = 0;
    FcStrBufInit (&new->str, 0, 0);
    parse->pstack = new;
    return FcTrue;
}
Keith Packard's avatar
Keith Packard committed
734

735 736 737 738 739 740
static FcBool
FcPStackPop (FcConfigParse *parse)
{
    FcPStack   *old;
    
    if (!parse->pstack) 
Keith Packard's avatar
Keith Packard committed
741
    {
742
	FcConfigMessage (parse, FcSevereError, "mismatching element");
743
	return FcFalse;
Keith Packard's avatar
Keith Packard committed
744
    }
745 746 747 748 749 750 751 752
    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
753 754
}

755 756
static FcBool
FcConfigInit (FcConfigParse *parse, const FcChar8 *name, FcConfig *config, XML_Parser parser)
Keith Packard's avatar
Keith Packard committed
757
{
758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778
    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
779 780
	return 0;

781 782
    attrs = parse->pstack->attr;
    while (*attrs)
Keith Packard's avatar
Keith Packard committed
783
    {
784 785 786
	if (!strcmp ((char *) *attrs, attr))
	    return attrs[1];
	attrs += 2;
Keith Packard's avatar
Keith Packard committed
787 788 789 790
    }
    return 0;
}

791 792
static void
FcStartElement(void *userData, const XML_Char *name, const XML_Char **attr)
Keith Packard's avatar
Keith Packard committed
793
{
794 795 796 797 798
    FcConfigParse   *parse = userData;
    FcElement	    element;
    
    element = FcElementMap (name);
    if (element == FcElementUnknown)
799
	FcConfigMessage (parse, FcSevereWarning, "unknown element \"%s\"", name);
800 801
    
    if (!FcPStackPush (parse, element, attr))
Keith Packard's avatar
Keith Packard committed
802
    {
803
	FcConfigMessage (parse, FcSevereError, "out of memory");
804
	return;
Keith Packard's avatar
Keith Packard committed
805
    }
806 807
    return;
}
Keith Packard's avatar
Keith Packard committed
808

809 810 811 812 813
static void
FcParseBlank (FcConfigParse *parse)
{
    int	    n = FcVStackElements (parse);
    while (n-- > 0)
Keith Packard's avatar
Keith Packard committed
814
    {
815 816
	FcVStack    *v = FcVStackFetch (parse, n);
	if (v->tag != FcVStackInteger)
817
	    FcConfigMessage (parse, FcSevereError, "non-integer blank");
818
	else
Keith Packard's avatar
Keith Packard committed
819
	{
820
	    if (!parse->config->blanks)
Keith Packard's avatar
Keith Packard committed
821
	    {
822 823 824
		parse->config->blanks = FcBlanksCreate ();
		if (!parse->config->blanks)
		{
825
		    FcConfigMessage (parse, FcSevereError, "out of memory");
826 827
		    break;
		}
Keith Packard's avatar
Keith Packard committed
828
	    }
829
	    if (!FcBlanksAdd (parse->config->blanks, v->u.integer))
Keith Packard's avatar
Keith Packard committed
830
	    {
831
		FcConfigMessage (parse, FcSevereError, "out of memory");
832
		break;
Keith Packard's avatar
Keith Packard committed
833 834 835
	    }
	}
    }
836
}
Keith Packard's avatar
Keith Packard committed
837

838 839 840 841 842 843 844 845 846 847 848 849 850 851
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;
    }
}

852 853 854 855 856 857 858 859 860 861
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
862
    {
863
	FcConfigMessage (parse, FcSevereError, "out of memory");
864
	return;
Keith Packard's avatar
Keith Packard committed
865
    }
866 867 868
    end = 0;
    l = (int) strtol ((char *) s, (char **)&end, 0);
    if (end != s + strlen ((char *) s))
869
	FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid integer", s);
870 871 872
    else
	FcVStackPushInteger (parse, l);
    FcStrFree (s);
Keith Packard's avatar
Keith Packard committed
873 874
}

875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929
/*
 * 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;
}

930 931
static void
FcParseDouble (FcConfigParse *parse)
Keith Packard's avatar
Keith Packard committed
932
{
933 934
    FcChar8 *s, *end;
    double  d;
Keith Packard's avatar
Keith Packard committed
935
    
936 937 938 939
    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
Keith Packard's avatar
Keith Packard committed
940
    {
941
	FcConfigMessage (parse, FcSevereError, "out of memory");
942
	return;
Keith Packard's avatar
Keith Packard committed
943
    }
944
    end = 0;
945
    d = FcStrtod ((char *) s, (char **)&end);
946
    if (end != s + strlen ((char *) s))
947
	FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid double", s);
Keith Packard's avatar
Keith Packard committed
948
    else
949 950 951
	FcVStackPushDouble (parse, d);
    FcStrFree (s);
}
Keith Packard's avatar
Keith Packard committed
952

953 954 955 956 957 958 959 960 961 962
static void
FcParseString (FcConfigParse *parse, FcVStackTag tag)
{
    FcChar8 *s;
    
    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
    {
963
	FcConfigMessage (parse, FcSevereError, "out of memory");
964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
	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)))
    {
979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997
	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;
998
	}
999
	FcVStackDestroy (vstack);
1000
	matrix_state--;
1001 1002
    }
    if (matrix_state != m_done)
1003
	FcConfigMessage (parse, FcSevereError, "wrong number of matrix elements");
1004 1005
    else
	FcVStackPushMatrix (parse, &m);
Keith Packard's avatar
Keith Packard committed
1006 1007 1008
}

static FcBool
1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
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)
    {
1030
	FcConfigMessage (parse, FcSevereError, "out of memory");
1031 1032 1033 1034 1035 1036 1037 1038
	return;
    }
    FcVStackPushBool (parse, FcConfigLexBool (s));
    FcStrFree (s);
}

static void
FcParseFamilies (FcConfigParse *parse, FcVStackTag tag)
Keith Packard's avatar
Keith Packard committed
1039
{
1040 1041 1042 1043 1044 1045 1046
    FcVStack	*vstack;
    FcExpr	*left, *expr = 0, *new;

    while ((vstack = FcVStackPop (parse)))
    {
	if (vstack->tag != FcVStackFamily)
	{
1047 1048 1049
	    FcConfigMessage (parse, FcSevereWarning, "non-family");
	    FcVStackDestroy (vstack);
	    continue;
1050 1051 1052 1053 1054 1055 1056 1057 1058
	}
	left = vstack->u.expr;
	vstack->tag = FcVStackNone;
	FcVStackDestroy (vstack);
	if (expr)
	{
	    new = FcExprCreateOp (left, FcOpComma, expr);
	    if (!new)
	    {
1059
		FcConfigMessage (parse, FcSevereError, "out of memory");
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
		FcExprDestroy (left);
		FcExprDestroy (expr);
		break;
	    }
	    expr = new;
	}
	else
	    expr = left;
    }
    if (expr)
    {
	if (!FcVStackPushExpr (parse, tag, expr))
	{
1073
	    FcConfigMessage (parse, FcSevereError, "out of memory");
1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090
	    if (expr)
		FcExprDestroy (expr);
	}
    }
}

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

    if (!parse->pstack)
	return;
    s = FcStrBufDone (&parse->pstack->str);
    if (!s)
    {
1091
	FcConfigMessage (parse, FcSevereError, "out of memory");
1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102
	return;
    }
    expr = FcExprCreateString (s);
    FcStrFree (s);
    if (expr)
	FcVStackPushExpr (parse, FcVStackFamily, expr);
}

static void
FcParseAlias (FcConfigParse *parse)
{
1103
    FcExpr	*family = 0, *accept = 0, *prefer = 0, *def = 0, *new = 0;
Keith Packard's avatar
Keith Packard committed
1104
    FcEdit	*edit = 0, *next;
1105
    FcVStack	*vstack;
Keith Packard's avatar
Keith Packard committed
1106 1107
    FcTest	*test;

1108
    while ((vstack = FcVStackPop (parse))) 
Keith Packard's avatar
Keith Packard committed
1109
    {
1110 1111 1112
	switch (vstack->tag) {
	case FcVStackFamily:
	    if (family)
1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126
	    {
		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;
	    }
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146
	    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:
1147
	    FcConfigMessage (parse, FcSevereWarning, "bad alias");
1148 1149 1150
	    break;
	}
	FcVStackDestroy (vstack);
Keith Packard's avatar
Keith Packard committed
1151
    }
1152
    if (!family)
1153
    {
1154 1155 1156 1157 1158 1159 1160
	FcConfigMessage (parse, FcSevereError, "missing family in alias");
	if (prefer)
	    FcExprDestroy (prefer);
	if (accept)
	    FcExprDestroy (accept);
	if (def)
	    FcExprDestroy (def);
1161 1162
	return;
    }
Keith Packard's avatar
Keith Packard committed
1163 1164 1165 1166
    if (prefer)
    {
	edit = FcEditCreate (FcConfigSaveField ("family"),
			     FcOpPrepend,
1167 1168
			     prefer,
			     FcValueBindingWeak);
Keith Packard's avatar
Keith Packard committed
1169 1170
	if (edit)
	    edit->next = 0;
1171 1172
	else
	    FcExprDestroy (prefer);
Keith Packard's avatar
Keith Packard committed
1173 1174 1175 1176 1177 1178
    }
    if (accept)
    {
	next = edit;
	edit = FcEditCreate (FcConfigSaveField ("family"),
			     FcOpAppend,
1179 1180
			     accept,
			     FcValueBindingWeak);
Keith Packard's avatar
Keith Packard committed
1181 1182
	if (edit)
	    edit->next = next;
1183 1184
	else
	    FcExprDestroy (accept);
Keith Packard's avatar
Keith Packard committed
1185 1186 1187 1188 1189
    }
    if (def)
    {
	next = edit;
	edit = FcEditCreate (FcConfigSaveField ("family"),
1190 1191 1192
			     FcOpAppendLast,
			     def,
			     FcValueBindingWeak);
Keith Packard's avatar
Keith Packard committed
1193 1194
	if (edit)
	    edit->next = next;
1195 1196
	else
	    FcExprDestroy (def);
Keith Packard's avatar
Keith Packard committed
1197 1198 1199
    }
    if (edit)
    {
1200 1201
	test = FcTestCreate (FcMatchPattern,
			     FcQualAny,
Keith Packard's avatar
Keith Packard committed
1202
			     (FcChar8 *) FC_FAMILY,
Keith Packard's avatar
Keith Packard committed
1203 1204 1205
			     FcOpEqual,
			     family);
	if (test)
1206 1207
	    if (!FcConfigAddEdit (parse->config, test, edit, FcMatchPattern))
		FcTestDestroy (test);
Keith Packard's avatar
Keith Packard committed
1208
    }
1209 1210
    else
	FcExprDestroy (family);
Keith Packard's avatar
Keith Packard committed
1211 1212
}

1213 1214
static FcExpr *
FcPopExpr (FcConfigParse *parse)
Keith Packard's avatar
Keith Packard committed
1215
{
1216 1217 1218 1219 1220 1221 1222 1223 1224
    FcVStack	*vstack = FcVStackPop (parse);
    FcExpr	*expr = 0;
    if (!vstack)
	return 0;
    switch (vstack->tag) {
    case FcVStackNone:
	break;
    case FcVStackString:
    case FcVStackFamily:
1225 1226
	expr = FcExprCreateString (vstack->u.string);
	break;
1227
    case FcVStackField:
1228 1229
	expr = FcExprCreateField ((char *) vstack->u.string);
	break;
1230
    case FcVStackConstant:
1231
	expr = FcExprCreateConst (vstack->u.string);
1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254
	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;
1255
	vstack->tag = FcVStackNone;
1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
	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
1268

1269
    while ((left = FcPopExpr (parse)))
Keith Packard's avatar
Keith Packard committed
1270
    {
1271
	if (expr)
Keith Packard's avatar
Keith Packard committed
1272
	{
1273 1274 1275
	    new = FcExprCreateOp (left, op, expr);
	    if (!new)
	    {
1276
		FcConfigMessage (parse, FcSevereError, "out of memory");
1277 1278
		FcExprDestroy (left);
		FcExprDestroy (expr);
Keith Packard's avatar
Keith Packard committed
1279
		break;
1280 1281
	    }
	    expr = new;
Keith Packard's avatar
Keith Packard committed
1282
	}
1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306
	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)
    {
1307
	FcConfigMessage (parse, FcSevereError, "out of memory");
1308 1309 1310 1311 1312
	return;
    }
    i = FcConfigGetAttribute (parse, "ignore_missing");
    if (i && FcConfigLexBool ((FcChar8 *) i) == FcTrue)
	ignore_missing = FcTrue;
1313
    if (!FcConfigParseAndLoad (parse->config, s, !ignore_missing))
1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 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
	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)
{
1355 1356
    const FcChar8   *kind_string;
    FcMatchKind	    kind;
1357 1358 1359 1360 1361 1362 1363 1364
    const FcChar8   *qual_string;
    FcQual	    qual;
    const FcChar8   *name;
    const FcChar8   *compare_string;
    FcOp	    compare;
    FcExpr	    *expr;
    FcTest	    *test;

1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381
    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;
	}
    }
1382 1383 1384 1385 1386 1387 1388 1389 1390
    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;
1391 1392 1393 1394
	else if (!strcmp ((char *) qual_string, "first"))
	    qual = FcQualFirst;
	else if (!strcmp ((char *) qual_string, "not_first"))
	    qual = FcQualNotFirst;
1395
	else
Keith Packard's avatar
Keith Packard committed
1396
	{
1397
	    FcConfigMessage (parse, FcSevereWarning, "invalid test qual \"%s\"", qual_string);
1398
	    return;
Keith Packard's avatar
Keith Packard committed
1399
	}
1400 1401 1402 1403
    }
    name = FcConfigGetAttribute (parse, "name");
    if (!name)
    {
1404
	FcConfigMessage (parse, FcSevereWarning, "missing test name");
1405
	return;
1406 1407 1408 1409 1410 1411 1412 1413
    }
    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
1414
	{
1415
	    FcConfigMessage (parse, FcSevereWarning, "invalid test compare \"%s\"", compare_string);
1416
	    return;
Keith Packard's avatar
Keith Packard committed
1417
	}
1418
    }
1419
    expr = FcPopExprs (parse, FcOpComma);
1420 1421
    if (!expr)
    {
1422
	FcConfigMessage (parse, FcSevereWarning, "missing test expression");
1423 1424
	return;
    }
1425
    test = FcTestCreate (kind, qual, name, compare, expr);
1426 1427
    if (!test)
    {
1428
	FcConfigMessage (parse, FcSevereError, "out of memory");
1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455
	return;
    }
    FcVStackPushTest (parse, test);
}

static const FcOpMap fcModeOps[] = {
    { "assign",		FcOpAssign	    },
    { "assign_replace",	FcOpAssignReplace   },
    { "prepend",	FcOpPrepend	    },
    { "prepend_first",	FcOpPrependFirst    },
    { "append",		FcOpAppend	    },
    { "append_last",	FcOpAppendLast	    },
};

#define NUM_MODE_OPS (sizeof fcModeOps / sizeof fcModeOps[0])

static FcOp
FcConfigLexMode