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user32: Prefer loading color cursors in LoadImage.
[wine.git] / dlls / jscript / global.c
blob0668e860d5b9047bdea6c871407ac6bd30ad46c8
1 /*
2 * Copyright 2008 Jacek Caban for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <math.h>
23 #include <limits.h>
24
25 #include "jscript.h"
26 #include "engine.h"
27
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
31
32 #define LONGLONG_MAX (((LONGLONG)0x7fffffff<<32)|0xffffffff)
33
34 static const WCHAR NaNW[] = {'N','a','N',0};
35 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
36 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
37 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
38 static const WCHAR DateW[] = {'D','a','t','e',0};
39 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
40 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
41 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
42 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
43 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
44 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
45 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
46 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
47 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
48 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
49 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
50 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
51 static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
52 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
53 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
54 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
55 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
56 static const WCHAR evalW[] = {'e','v','a','l',0};
57 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
58 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
59 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
60 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
61 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
62 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
63 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
64 static const WCHAR ScriptEngineMajorVersionW[] =
65 {'S','c','r','i','p','t','E','n','g','i','n','e','M','a','j','o','r','V','e','r','s','i','o','n',0};
66 static const WCHAR ScriptEngineMinorVersionW[] =
67 {'S','c','r','i','p','t','E','n','g','i','n','e','M','i','n','o','r','V','e','r','s','i','o','n',0};
68 static const WCHAR ScriptEngineBuildVersionW[] =
69 {'S','c','r','i','p','t','E','n','g','i','n','e','B','u','i','l','d','V','e','r','s','i','o','n',0};
70 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
71 static const WCHAR MathW[] = {'M','a','t','h',0};
72 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
73 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
74 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
75 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
76
77 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
78
79 static int uri_char_table[] = {
80 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
81 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
82 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
83 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
84 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
85 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
86 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
87 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
88 };
89
90 /* 1 - reserved */
91 /* 2 - unescaped */
92
93 static inline BOOL is_uri_reserved(WCHAR c)
94 {
95 return c < 128 && uri_char_table[c] == 1;
96 }
97
98 static inline BOOL is_uri_unescaped(WCHAR c)
99 {
100 return c < 128 && uri_char_table[c] == 2;
101 }
102
103 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
104 static inline BOOL is_ecma_nonblank(const WCHAR c)
105 {
106 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
107 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
108 }
109
110 static WCHAR int_to_char(int i)
111 {
112 if(i < 10)
113 return '0'+i;
114 return 'A'+i-10;
115 }
116
117 static HRESULT constructor_call(jsdisp_t *constr, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
118 {
119 if(flags != DISPATCH_PROPERTYGET)
120 return jsdisp_call_value(constr, NULL, flags, argc, argv, r);
121
122 *r = jsval_obj(jsdisp_addref(constr));
123 return S_OK;
124 }
125
126 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
127 jsval_t *r)
128 {
129 TRACE("\n");
130
131 return constructor_call(ctx->array_constr, flags, argc, argv, r);
132 }
133
134 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
135 jsval_t *r)
136 {
137 TRACE("\n");
138
139 return constructor_call(ctx->bool_constr, flags, argc, argv, r);
140 }
141
142 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
143 jsval_t *r)
144 {
145 TRACE("\n");
146
147 return constructor_call(ctx->date_constr, flags, argc, argv, r);
148 }
149
150 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
151 jsval_t *r)
152 {
153 TRACE("\n");
154
155 return constructor_call(ctx->error_constr, flags, argc, argv, r);
156 }
157
158 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
159 jsval_t *r)
160 {
161 TRACE("\n");
162
163 return constructor_call(ctx->eval_error_constr, flags, argc, argv, r);
164 }
165
166 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
167 jsval_t *r)
168 {
169 TRACE("\n");
170
171 return constructor_call(ctx->range_error_constr, flags, argc, argv, r);
172 }
173
174 static HRESULT JSGlobal_RegExpError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
175 jsval_t *r)
176 {
177 TRACE("\n");
178
179 return constructor_call(ctx->regexp_error_constr, flags, argc, argv, r);
180 }
181
182 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
183 jsval_t *r)
184 {
185 TRACE("\n");
186
187 return constructor_call(ctx->reference_error_constr, flags, argc, argv, r);
188 }
189
190 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
191 jsval_t *r)
192 {
193 TRACE("\n");
194
195 return constructor_call(ctx->syntax_error_constr, flags, argc, argv, r);
196 }
197
198 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
199 jsval_t *r)
200 {
201 TRACE("\n");
202
203 return constructor_call(ctx->type_error_constr, flags, argc, argv, r);
204 }
205
206 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
207 jsval_t *r)
208 {
209 TRACE("\n");
210
211 return constructor_call(ctx->uri_error_constr, flags, argc, argv, r);
212 }
213
214 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
215 jsval_t *r)
216 {
217 TRACE("\n");
218
219 return constructor_call(ctx->function_constr, flags, argc, argv, r);
220 }
221
222 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
223 jsval_t *r)
224 {
225 TRACE("\n");
226
227 return constructor_call(ctx->number_constr, flags, argc, argv, r);
228 }
229
230 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
231 jsval_t *r)
232 {
233 TRACE("\n");
234
235 return constructor_call(ctx->object_constr, flags, argc, argv, r);
236 }
237
238 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
239 jsval_t *r)
240 {
241 TRACE("\n");
242
243 return constructor_call(ctx->string_constr, flags, argc, argv, r);
244 }
245
246 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
247 jsval_t *r)
248 {
249 TRACE("\n");
250
251 return constructor_call(ctx->regexp_constr, flags, argc, argv, r);
252 }
253
254 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
255 jsval_t *r)
256 {
257 TRACE("\n");
258
259 return constructor_call(ctx->activex_constr, flags, argc, argv, r);
260 }
261
262 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
263 jsval_t *r)
264 {
265 TRACE("\n");
266
267 return constructor_call(ctx->vbarray_constr, flags, argc, argv, r);
268 }
269
270 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
271 jsval_t *r)
272 {
273 FIXME("\n");
274 return E_NOTIMPL;
275 }
276
277 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
278 jsval_t *r)
279 {
280 jsstr_t *ret_str, *str;
281 const WCHAR *ptr;
282 DWORD len = 0;
283 WCHAR *ret;
284 HRESULT hres;
285
286 TRACE("\n");
287
288 if(!argc) {
289 if(r) {
290 ret_str = jsstr_alloc(undefinedW);
291 if(!ret_str)
292 return E_OUTOFMEMORY;
293
294 *r = jsval_string(ret_str);
295 }
296
297 return S_OK;
298 }
299
300 hres = to_string(ctx, argv[0], &str);
301 if(FAILED(hres))
302 return hres;
303
304 for(ptr = str->str; *ptr; ptr++) {
305 if(*ptr > 0xff)
306 len += 6;
307 else if(is_ecma_nonblank(*ptr))
308 len++;
309 else
310 len += 3;
311 }
312
313 ret_str = jsstr_alloc_buf(len);
314 if(!ret_str) {
315 jsstr_release(str);
316 return E_OUTOFMEMORY;
317 }
318
319 len = 0;
320 ret = ret_str->str;
321 for(ptr = str->str; *ptr; ptr++) {
322 if(*ptr > 0xff) {
323 ret[len++] = '%';
324 ret[len++] = 'u';
325 ret[len++] = int_to_char(*ptr >> 12);
326 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
327 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
328 ret[len++] = int_to_char(*ptr & 0xf);
329 }
330 else if(is_ecma_nonblank(*ptr))
331 ret[len++] = *ptr;
332 else {
333 ret[len++] = '%';
334 ret[len++] = int_to_char(*ptr >> 4);
335 ret[len++] = int_to_char(*ptr & 0xf);
336 }
337 }
338
339 jsstr_release(str);
340
341 if(r)
342 *r = jsval_string(ret_str);
343 else
344 jsstr_release(ret_str);
345 return S_OK;
346 }
347
348 /* ECMA-262 3rd Edition 15.1.2.1 */
349 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
350 jsval_t *r)
351 {
352 bytecode_t *code;
353 HRESULT hres;
354
355 TRACE("\n");
356
357 if(!argc) {
358 if(r)
359 *r = jsval_undefined();
360 return S_OK;
361 }
362
363 if(!is_string(argv[0])) {
364 if(r)
365 return jsval_copy(argv[0], r);
366 return S_OK;
367 }
368
369 if(!ctx->exec_ctx) {
370 FIXME("No active exec_ctx\n");
371 return E_UNEXPECTED;
372 }
373
374 TRACE("parsing %s\n", debugstr_jsval(argv[0]));
375 hres = compile_script(ctx, get_string(argv[0])->str, NULL, NULL, TRUE, FALSE, &code);
376 if(FAILED(hres)) {
377 WARN("parse (%s) failed: %08x\n", debugstr_jsval(argv[0]), hres);
378 return throw_syntax_error(ctx, hres, NULL);
379 }
380
381 hres = exec_source(ctx->exec_ctx, code, &code->global_code, TRUE, r);
382 release_bytecode(code);
383 return hres;
384 }
385
386 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
387 jsval_t *r)
388 {
389 BOOL ret = TRUE;
390 double n;
391 HRESULT hres;
392
393 TRACE("\n");
394
395 if(argc) {
396 hres = to_number(ctx, argv[0], &n);
397 if(FAILED(hres))
398 return hres;
399
400 if(!isnan(n))
401 ret = FALSE;
402 }
403
404 if(r)
405 *r = jsval_bool(ret);
406 return S_OK;
407 }
408
409 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
410 jsval_t *r)
411 {
412 BOOL ret = FALSE;
413 HRESULT hres;
414
415 TRACE("\n");
416
417 if(argc) {
418 double n;
419
420 hres = to_number(ctx, argv[0], &n);
421 if(FAILED(hres))
422 return hres;
423
424 if(!isinf(n) && !isnan(n))
425 ret = TRUE;
426 }
427
428 if(r)
429 *r = jsval_bool(ret);
430 return S_OK;
431 }
432
433 static INT char_to_int(WCHAR c)
434 {
435 if('0' <= c && c <= '9')
436 return c - '0';
437 if('a' <= c && c <= 'z')
438 return c - 'a' + 10;
439 if('A' <= c && c <= 'Z')
440 return c - 'A' + 10;
441 return 100;
442 }
443
444 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
445 jsval_t *r)
446 {
447 BOOL neg = FALSE, empty = TRUE;
448 DOUBLE ret = 0.0;
449 INT radix=0, i;
450 jsstr_t *str;
451 WCHAR *ptr;
452 HRESULT hres;
453
454 if(!argc) {
455 if(r)
456 *r = jsval_number(NAN);
457 return S_OK;
458 }
459
460 if(argc >= 2) {
461 hres = to_int32(ctx, argv[1], &radix);
462 if(FAILED(hres))
463 return hres;
464
465 if(radix && (radix < 2 || radix > 36)) {
466 WARN("radix %d out of range\n", radix);
467 if(r)
468 *r = jsval_number(NAN);
469 return S_OK;
470 }
471 }
472
473 hres = to_string(ctx, argv[0], &str);
474 if(FAILED(hres))
475 return hres;
476
477 for(ptr = str->str; isspaceW(*ptr); ptr++);
478
479 switch(*ptr) {
480 case '+':
481 ptr++;
482 break;
483 case '-':
484 neg = TRUE;
485 ptr++;
486 break;
487 }
488
489 if(!radix) {
490 if(*ptr == '0') {
491 if(ptr[1] == 'x' || ptr[1] == 'X') {
492 radix = 16;
493 ptr += 2;
494 }else {
495 radix = 8;
496 ptr++;
497 empty = FALSE;
498 }
499 }else {
500 radix = 10;
501 }
502 }
503
504 i = char_to_int(*ptr++);
505 if(i < radix) {
506 do {
507 ret = ret*radix + i;
508 i = char_to_int(*ptr++);
509 }while(i < radix);
510 }else if(empty) {
511 ret = NAN;
512 }
513
514 jsstr_release(str);
515
516 if(neg)
517 ret = -ret;
518
519 if(r)
520 *r = jsval_number(ret);
521 return S_OK;
522 }
523
524 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
525 jsval_t *r)
526 {
527 LONGLONG d = 0, hlp;
528 jsstr_t *val_str;
529 int exp = 0;
530 WCHAR *str;
531 BOOL ret_nan = TRUE, positive = TRUE;
532 HRESULT hres;
533
534 if(!argc) {
535 if(r)
536 *r = jsval_number(NAN);
537 return S_OK;
538 }
539
540 hres = to_string(ctx, argv[0], &val_str);
541 if(FAILED(hres))
542 return hres;
543
544 str = val_str->str;
545
546 while(isspaceW(*str)) str++;
547
548 if(*str == '+')
549 str++;
550 else if(*str == '-') {
551 positive = FALSE;
552 str++;
553 }
554
555 if(isdigitW(*str))
556 ret_nan = FALSE;
557
558 while(isdigitW(*str)) {
559 hlp = d*10 + *(str++) - '0';
560 if(d>LONGLONG_MAX/10 || hlp<0) {
561 exp++;
562 break;
563 }
564 else
565 d = hlp;
566 }
567 while(isdigitW(*str)) {
568 exp++;
569 str++;
570 }
571
572 if(*str == '.') str++;
573
574 if(isdigitW(*str))
575 ret_nan = FALSE;
576
577 while(isdigitW(*str)) {
578 hlp = d*10 + *(str++) - '0';
579 if(d>LONGLONG_MAX/10 || hlp<0)
580 break;
581
582 d = hlp;
583 exp--;
584 }
585 while(isdigitW(*str))
586 str++;
587
588 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
589 int sign = 1, e = 0;
590
591 str++;
592 if(*str == '+')
593 str++;
594 else if(*str == '-') {
595 sign = -1;
596 str++;
597 }
598
599 while(isdigitW(*str)) {
600 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
601 e = INT_MAX;
602 }
603 e *= sign;
604
605 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
606 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
607 else exp += e;
608 }
609
610 jsstr_release(val_str);
611
612 if(ret_nan) {
613 if(r)
614 *r = jsval_number(NAN);
615 return S_OK;
616 }
617
618 if(!positive)
619 d = -d;
620 if(r)
621 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
622 return S_OK;
623 }
624
625 static inline int hex_to_int(const WCHAR wch) {
626 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
627 if(isdigitW(wch)) return wch-'0';
628 return -1;
629 }
630
631 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
632 jsval_t *r)
633 {
634 jsstr_t *ret_str, *str;
635 const WCHAR *ptr;
636 DWORD len = 0;
637 WCHAR *ret;
638 HRESULT hres;
639
640 TRACE("\n");
641
642 if(!argc) {
643 if(r) {
644 ret_str = jsstr_alloc(undefinedW);
645 if(!ret_str)
646 return E_OUTOFMEMORY;
647 *r = jsval_string(ret_str);
648 }
649
650 return S_OK;
651 }
652
653 hres = to_string(ctx, argv[0], &str);
654 if(FAILED(hres))
655 return hres;
656
657 for(ptr = str->str; *ptr; ptr++) {
658 if(*ptr == '%') {
659 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
660 ptr += 2;
661 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
662 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
663 ptr += 5;
664 }
665
666 len++;
667 }
668
669 ret_str = jsstr_alloc_buf(len);
670 if(!ret_str) {
671 jsstr_release(str);
672 return E_OUTOFMEMORY;
673 }
674
675 ret = ret_str->str;
676 len = 0;
677 for(ptr = str->str; *ptr; ptr++) {
678 if(*ptr == '%') {
679 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
680 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
681 ptr += 2;
682 }
683 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
684 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
685 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
686 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
687 ptr += 5;
688 }
689 else
690 ret[len] = *ptr;
691 }
692 else
693 ret[len] = *ptr;
694
695 len++;
696 }
697
698 jsstr_release(str);
699
700 if(r)
701 *r = jsval_string(ret_str);
702 else
703 jsstr_release(ret_str);
704 return S_OK;
705 }
706
707 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
708 jsval_t *r)
709 {
710 FIXME("\n");
711 return E_NOTIMPL;
712 }
713
714 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
715 jsval_t *r)
716 {
717 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
718
719 TRACE("\n");
720
721 if(r) {
722 jsstr_t *ret;
723
724 ret = jsstr_alloc(JScriptW);
725 if(!ret)
726 return E_OUTOFMEMORY;
727
728 *r = jsval_string(ret);
729 }
730
731 return S_OK;
732 }
733
734 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
735 jsval_t *r)
736 {
737 TRACE("\n");
738
739 if(r)
740 *r = jsval_number(JSCRIPT_MAJOR_VERSION);
741 return S_OK;
742 }
743
744 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
745 jsval_t *r)
746 {
747 TRACE("\n");
748
749 if(r)
750 *r = jsval_number(JSCRIPT_MINOR_VERSION);
751 return S_OK;
752 }
753
754 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
755 jsval_t *r)
756 {
757 TRACE("\n");
758
759 if(r)
760 *r = jsval_number(JSCRIPT_BUILD_VERSION);
761 return S_OK;
762 }
763
764 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
765 jsval_t *r)
766 {
767 FIXME("\n");
768 return E_NOTIMPL;
769 }
770
771 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
772 jsval_t *r)
773 {
774 jsstr_t *str, *ret;
775 const WCHAR *ptr;
776 DWORD len = 0, i;
777 char buf[4];
778 WCHAR *rptr;
779 HRESULT hres;
780
781 TRACE("\n");
782
783 if(!argc) {
784 if(r) {
785 ret = jsstr_alloc(undefinedW);
786 if(!ret)
787 return E_OUTOFMEMORY;
788
789 *r = jsval_string(ret);
790 }
791
792 return S_OK;
793 }
794
795 hres = to_string(ctx, argv[0], &str);
796 if(FAILED(hres))
797 return hres;
798
799 for(ptr = str->str; *ptr; ptr++) {
800 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
801 len++;
802 }else {
803 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
804 if(!i) {
805 jsstr_release(str);
806 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
807 }
808
809 len += i;
810 }
811 }
812
813 ret = jsstr_alloc_buf(len);
814 if(!ret) {
815 jsstr_release(str);
816 return E_OUTOFMEMORY;
817 }
818 rptr = ret->str;
819
820 for(ptr = str->str; *ptr; ptr++) {
821 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
822 *rptr++ = *ptr;
823 }else {
824 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
825 for(i=0; i<len; i++) {
826 *rptr++ = '%';
827 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
828 *rptr++ = int_to_char(buf[i] & 0x0f);
829 }
830 }
831 }
832
833 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
834 jsstr_release(str);
835
836 if(r)
837 *r = jsval_string(ret);
838 else
839 jsstr_release(ret);
840 return S_OK;
841 }
842
843 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
844 jsval_t *r)
845 {
846 jsstr_t *str, *ret;
847 WCHAR *ptr;
848 int i, len = 0, val, res;
849 char buf[4];
850 WCHAR out;
851 HRESULT hres;
852
853 TRACE("\n");
854
855 if(!argc) {
856 if(r) {
857 ret = jsstr_alloc(undefinedW);
858 if(!ret)
859 return E_OUTOFMEMORY;
860
861 *r = jsval_string(ret);
862 }
863
864 return S_OK;
865 }
866
867 hres = to_string(ctx, argv[0], &str);
868 if(FAILED(hres))
869 return hres;
870
871 for(ptr = str->str; *ptr; ptr++) {
872 if(*ptr != '%') {
873 len++;
874 }else {
875 res = 0;
876 for(i=0; i<4; i++) {
877 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
878 break;
879 val += hex_to_int(ptr[i*3+1])<<4;
880 buf[i] = val;
881
882 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
883 if(res)
884 break;
885 }
886
887 if(!res) {
888 jsstr_release(str);
889 return throw_uri_error(ctx, JS_E_INVALID_URI_CODING, NULL);
890 }
891
892 ptr += i*3+2;
893 len++;
894 }
895 }
896
897 ret = jsstr_alloc_buf(len);
898 if(!ret) {
899 jsstr_release(str);
900 return E_OUTOFMEMORY;
901 }
902
903 len = 0;
904 for(ptr = str->str; *ptr; ptr++) {
905 if(*ptr != '%') {
906 ret->str[len] = *ptr;
907 len++;
908 }else {
909 for(i=0; i<4; i++) {
910 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
911 break;
912 val += hex_to_int(ptr[i*3+1])<<4;
913 buf[i] = val;
914
915 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret->str+len, 1);
916 if(res)
917 break;
918 }
919
920 ptr += i*3+2;
921 len++;
922 }
923 }
924
925 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
926 jsstr_release(str);
927
928 if(r)
929 *r = jsval_string(ret);
930 else
931 jsstr_release(ret);
932 return S_OK;
933 }
934
935 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
936 jsval_t *r)
937 {
938 jsstr_t *str, *ret;
939 char buf[4];
940 const WCHAR *ptr;
941 DWORD len = 0, size, i;
942 HRESULT hres;
943
944 TRACE("\n");
945
946 if(!argc) {
947 if(r) {
948 ret = jsstr_alloc(undefinedW);
949 if(!ret)
950 return E_OUTOFMEMORY;
951
952 *r = jsval_string(ret);
953 }
954
955 return S_OK;
956 }
957
958 hres = to_string(ctx, argv[0], &str);
959 if(FAILED(hres))
960 return hres;
961
962 for(ptr = str->str; *ptr; ptr++) {
963 if(is_uri_unescaped(*ptr))
964 len++;
965 else {
966 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
967 if(!size) {
968 jsstr_release(str);
969 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
970 }
971 len += size*3;
972 }
973 }
974
975 ret = jsstr_alloc_buf(len);
976 if(!ret) {
977 jsstr_release(str);
978 return E_OUTOFMEMORY;
979 }
980
981 len = 0;
982 for(ptr = str->str; *ptr; ptr++) {
983 if(is_uri_unescaped(*ptr)) {
984 ret->str[len++] = *ptr;
985 }else {
986 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
987 for(i=0; i<size; i++) {
988 ret->str[len++] = '%';
989 ret->str[len++] = int_to_char((BYTE)buf[i] >> 4);
990 ret->str[len++] = int_to_char(buf[i] & 0x0f);
991 }
992 }
993 }
994
995 jsstr_release(str);
996
997 if(r)
998 *r = jsval_string(ret);
999 else
1000 jsstr_release(ret);
1001 return S_OK;
1002 }
1003
1004 /* ECMA-262 3rd Edition 15.1.3.2 */
1005 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
1006 jsval_t *r)
1007 {
1008 jsstr_t *str, *ret;
1009 const WCHAR *ptr;
1010 WCHAR *out_ptr;
1011 DWORD len = 0;
1012 HRESULT hres;
1013
1014 TRACE("\n");
1015
1016 if(!argc) {
1017 if(r) {
1018 ret = jsstr_alloc(undefinedW);
1019 if(!ret)
1020 return E_OUTOFMEMORY;
1021
1022 *r = jsval_string(ret);
1023 }
1024
1025 return S_OK;
1026 }
1027
1028 hres = to_string(ctx, argv[0], &str);
1029 if(FAILED(hres))
1030 return hres;
1031
1032 ptr = str->str;
1033 while(*ptr) {
1034 if(*ptr == '%') {
1035 char octets[4];
1036 unsigned char mask = 0x80;
1037 int i, size, num_bytes = 0;
1038 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1039 FIXME("Throw URIError: Invalid hex sequence\n");
1040 jsstr_release(str);
1041 return E_FAIL;
1042 }
1043 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1044 ptr += 3;
1045 while(octets[0] & mask) {
1046 mask = mask >> 1;
1047 ++num_bytes;
1048 }
1049 if(num_bytes == 1 || num_bytes > 4) {
1050 FIXME("Throw URIError: Invalid initial UTF character\n");
1051 jsstr_release(str);
1052 return E_FAIL;
1053 }
1054 for(i = 1; i < num_bytes; ++i) {
1055 if(*ptr != '%'){
1056 FIXME("Throw URIError: Incomplete UTF sequence\n");
1057 jsstr_release(str);
1058 return E_FAIL;
1059 }
1060 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1061 FIXME("Throw URIError: Invalid hex sequence\n");
1062 jsstr_release(str);
1063 return E_FAIL;
1064 }
1065 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1066 ptr += 3;
1067 }
1068 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1069 num_bytes ? num_bytes : 1, NULL, 0);
1070 if(size == 0) {
1071 FIXME("Throw URIError: Invalid UTF sequence\n");
1072 jsstr_release(str);
1073 return E_FAIL;
1074 }
1075 len += size;
1076 }else {
1077 ++ptr;
1078 ++len;
1079 }
1080 }
1081
1082 ret = jsstr_alloc_buf(len);
1083 if(!ret) {
1084 jsstr_release(str);
1085 return E_OUTOFMEMORY;
1086 }
1087 out_ptr = ret->str;
1088
1089 ptr = str->str;
1090 while(*ptr) {
1091 if(*ptr == '%') {
1092 char octets[4];
1093 unsigned char mask = 0x80;
1094 int i, size, num_bytes = 0;
1095 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1096 ptr += 3;
1097 while(octets[0] & mask) {
1098 mask = mask >> 1;
1099 ++num_bytes;
1100 }
1101 for(i = 1; i < num_bytes; ++i) {
1102 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1103 ptr += 3;
1104 }
1105 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1106 num_bytes ? num_bytes : 1, out_ptr, len);
1107 len -= size;
1108 out_ptr += size;
1109 }else {
1110 *out_ptr++ = *ptr++;
1111 --len;
1112 }
1113 }
1114
1115 jsstr_release(str);
1116
1117 if(r)
1118 *r = jsval_string(ret);
1119 else
1120 jsstr_release(ret);
1121 return S_OK;
1122 }
1123
1124 static const builtin_prop_t JSGlobal_props[] = {
1125 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1126 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1127 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1128 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1129 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1130 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1131 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1132 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1133 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1134 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1135 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1136 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1137 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1138 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1139 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1140 {RegExpErrorW, JSGlobal_RegExpError, PROPF_CONSTR|1},
1141 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1142 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1143 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1144 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1145 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1146 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1147 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1148 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1149 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1150 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1151 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1152 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1153 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1154 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1155 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1156 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1157 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1158 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1159 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1160 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1161 };
1162
1163 static const builtin_info_t JSGlobal_info = {
1164 JSCLASS_GLOBAL,
1165 {NULL, NULL, 0},
1166 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1167 JSGlobal_props,
1168 NULL,
1169 NULL
1170 };
1171
1172 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1173 {
1174 HRESULT hres;
1175
1176 hres = init_function_constr(ctx, object_prototype);
1177 if(FAILED(hres))
1178 return hres;
1179
1180 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1181 if(FAILED(hres))
1182 return hres;
1183
1184 hres = create_activex_constr(ctx, &ctx->activex_constr);
1185 if(FAILED(hres))
1186 return hres;
1187
1188 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1189 if(FAILED(hres))
1190 return hres;
1191
1192 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1193 if(FAILED(hres))
1194 return hres;
1195
1196 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1197 if(FAILED(hres))
1198 return hres;
1199
1200 hres = init_error_constr(ctx, object_prototype);
1201 if(FAILED(hres))
1202 return hres;
1203
1204 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1205 if(FAILED(hres))
1206 return hres;
1207
1208 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1209 if(FAILED(hres))
1210 return hres;
1211
1212 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1213 if(FAILED(hres))
1214 return hres;
1215
1216 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1217 if(FAILED(hres))
1218 return hres;
1219
1220 return S_OK;
1221 }
1222
1223 HRESULT init_global(script_ctx_t *ctx)
1224 {
1225 jsdisp_t *math, *object_prototype;
1226 HRESULT hres;
1227
1228 if(ctx->global)
1229 return S_OK;
1230
1231 hres = create_object_prototype(ctx, &object_prototype);
1232 if(FAILED(hres))
1233 return hres;
1234
1235 hres = init_constructors(ctx, object_prototype);
1236 jsdisp_release(object_prototype);
1237 if(FAILED(hres))
1238 return hres;
1239
1240 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1241 if(FAILED(hres))
1242 return hres;
1243
1244 hres = create_math(ctx, &math);
1245 if(FAILED(hres))
1246 return hres;
1247
1248 hres = jsdisp_propput_dontenum(ctx->global, MathW, jsval_obj(math));
1249 jsdisp_release(math);
1250 if(FAILED(hres))
1251 return hres;
1252
1253 hres = jsdisp_propput_dontenum(ctx->global, undefinedW, jsval_undefined());
1254 if(FAILED(hres))
1255 return hres;
1256
1257 hres = jsdisp_propput_dontenum(ctx->global, NaNW, jsval_number(NAN));
1258 if(FAILED(hres))
1259 return hres;
1260
1261 hres = jsdisp_propput_dontenum(ctx->global, InfinityW, jsval_number(INFINITY));
1262 return hres;
1263 }
Windows API implementation