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Sync with trunk r58687.
[reactos.git] / dll / win32 / jscript / global.c
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 *r = jsval_string(jsstr_undefined());
291 return S_OK;
292 }
293
294 hres = to_string(ctx, argv[0], &str);
295 if(FAILED(hres))
296 return hres;
297
298 for(ptr = str->str; *ptr; ptr++) {
299 if(*ptr > 0xff)
300 len += 6;
301 else if(is_ecma_nonblank(*ptr))
302 len++;
303 else
304 len += 3;
305 }
306
307 ret_str = jsstr_alloc_buf(len);
308 if(!ret_str) {
309 jsstr_release(str);
310 return E_OUTOFMEMORY;
311 }
312
313 len = 0;
314 ret = ret_str->str;
315 for(ptr = str->str; *ptr; ptr++) {
316 if(*ptr > 0xff) {
317 ret[len++] = '%';
318 ret[len++] = 'u';
319 ret[len++] = int_to_char(*ptr >> 12);
320 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
321 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
322 ret[len++] = int_to_char(*ptr & 0xf);
323 }
324 else if(is_ecma_nonblank(*ptr))
325 ret[len++] = *ptr;
326 else {
327 ret[len++] = '%';
328 ret[len++] = int_to_char(*ptr >> 4);
329 ret[len++] = int_to_char(*ptr & 0xf);
330 }
331 }
332
333 jsstr_release(str);
334
335 if(r)
336 *r = jsval_string(ret_str);
337 else
338 jsstr_release(ret_str);
339 return S_OK;
340 }
341
342 /* ECMA-262 3rd Edition 15.1.2.1 */
343 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
344 jsval_t *r)
345 {
346 bytecode_t *code;
347 HRESULT hres;
348
349 TRACE("\n");
350
351 if(!argc) {
352 if(r)
353 *r = jsval_undefined();
354 return S_OK;
355 }
356
357 if(!is_string(argv[0])) {
358 if(r)
359 return jsval_copy(argv[0], r);
360 return S_OK;
361 }
362
363 if(!ctx->exec_ctx) {
364 FIXME("No active exec_ctx\n");
365 return E_UNEXPECTED;
366 }
367
368 TRACE("parsing %s\n", debugstr_jsval(argv[0]));
369 hres = compile_script(ctx, get_string(argv[0])->str, NULL, NULL, TRUE, FALSE, &code);
370 if(FAILED(hres)) {
371 WARN("parse (%s) failed: %08x\n", debugstr_jsval(argv[0]), hres);
372 return throw_syntax_error(ctx, hres, NULL);
373 }
374
375 hres = exec_source(ctx->exec_ctx, code, &code->global_code, TRUE, r);
376 release_bytecode(code);
377 return hres;
378 }
379
380 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
381 jsval_t *r)
382 {
383 BOOL ret = TRUE;
384 double n;
385 HRESULT hres;
386
387 TRACE("\n");
388
389 if(argc) {
390 hres = to_number(ctx, argv[0], &n);
391 if(FAILED(hres))
392 return hres;
393
394 if(!isnan(n))
395 ret = FALSE;
396 }
397
398 if(r)
399 *r = jsval_bool(ret);
400 return S_OK;
401 }
402
403 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
404 jsval_t *r)
405 {
406 BOOL ret = FALSE;
407 HRESULT hres;
408
409 TRACE("\n");
410
411 if(argc) {
412 double n;
413
414 hres = to_number(ctx, argv[0], &n);
415 if(FAILED(hres))
416 return hres;
417
418 if(!isinf(n) && !isnan(n))
419 ret = TRUE;
420 }
421
422 if(r)
423 *r = jsval_bool(ret);
424 return S_OK;
425 }
426
427 static INT char_to_int(WCHAR c)
428 {
429 if('0' <= c && c <= '9')
430 return c - '0';
431 if('a' <= c && c <= 'z')
432 return c - 'a' + 10;
433 if('A' <= c && c <= 'Z')
434 return c - 'A' + 10;
435 return 100;
436 }
437
438 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
439 jsval_t *r)
440 {
441 BOOL neg = FALSE, empty = TRUE;
442 DOUBLE ret = 0.0;
443 INT radix=0, i;
444 jsstr_t *str;
445 WCHAR *ptr;
446 HRESULT hres;
447
448 if(!argc) {
449 if(r)
450 *r = jsval_number(NAN);
451 return S_OK;
452 }
453
454 if(argc >= 2) {
455 hres = to_int32(ctx, argv[1], &radix);
456 if(FAILED(hres))
457 return hres;
458
459 if(radix && (radix < 2 || radix > 36)) {
460 WARN("radix %d out of range\n", radix);
461 if(r)
462 *r = jsval_number(NAN);
463 return S_OK;
464 }
465 }
466
467 hres = to_string(ctx, argv[0], &str);
468 if(FAILED(hres))
469 return hres;
470
471 for(ptr = str->str; isspaceW(*ptr); ptr++);
472
473 switch(*ptr) {
474 case '+':
475 ptr++;
476 break;
477 case '-':
478 neg = TRUE;
479 ptr++;
480 break;
481 }
482
483 if(!radix) {
484 if(*ptr == '0') {
485 if(ptr[1] == 'x' || ptr[1] == 'X') {
486 radix = 16;
487 ptr += 2;
488 }else {
489 radix = 8;
490 ptr++;
491 empty = FALSE;
492 }
493 }else {
494 radix = 10;
495 }
496 }
497
498 i = char_to_int(*ptr++);
499 if(i < radix) {
500 do {
501 ret = ret*radix + i;
502 i = char_to_int(*ptr++);
503 }while(i < radix);
504 }else if(empty) {
505 ret = NAN;
506 }
507
508 jsstr_release(str);
509
510 if(neg)
511 ret = -ret;
512
513 if(r)
514 *r = jsval_number(ret);
515 return S_OK;
516 }
517
518 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
519 jsval_t *r)
520 {
521 LONGLONG d = 0, hlp;
522 jsstr_t *val_str;
523 int exp = 0;
524 WCHAR *str;
525 BOOL ret_nan = TRUE, positive = TRUE;
526 HRESULT hres;
527
528 if(!argc) {
529 if(r)
530 *r = jsval_number(NAN);
531 return S_OK;
532 }
533
534 hres = to_string(ctx, argv[0], &val_str);
535 if(FAILED(hres))
536 return hres;
537
538 str = val_str->str;
539
540 while(isspaceW(*str)) str++;
541
542 if(*str == '+')
543 str++;
544 else if(*str == '-') {
545 positive = FALSE;
546 str++;
547 }
548
549 if(isdigitW(*str))
550 ret_nan = FALSE;
551
552 while(isdigitW(*str)) {
553 hlp = d*10 + *(str++) - '0';
554 if(d>LONGLONG_MAX/10 || hlp<0) {
555 exp++;
556 break;
557 }
558 else
559 d = hlp;
560 }
561 while(isdigitW(*str)) {
562 exp++;
563 str++;
564 }
565
566 if(*str == '.') str++;
567
568 if(isdigitW(*str))
569 ret_nan = FALSE;
570
571 while(isdigitW(*str)) {
572 hlp = d*10 + *(str++) - '0';
573 if(d>LONGLONG_MAX/10 || hlp<0)
574 break;
575
576 d = hlp;
577 exp--;
578 }
579 while(isdigitW(*str))
580 str++;
581
582 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
583 int sign = 1, e = 0;
584
585 str++;
586 if(*str == '+')
587 str++;
588 else if(*str == '-') {
589 sign = -1;
590 str++;
591 }
592
593 while(isdigitW(*str)) {
594 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
595 e = INT_MAX;
596 }
597 e *= sign;
598
599 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
600 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
601 else exp += e;
602 }
603
604 jsstr_release(val_str);
605
606 if(ret_nan) {
607 if(r)
608 *r = jsval_number(NAN);
609 return S_OK;
610 }
611
612 if(!positive)
613 d = -d;
614 if(r)
615 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
616 return S_OK;
617 }
618
619 static inline int hex_to_int(const WCHAR wch) {
620 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
621 if(isdigitW(wch)) return wch-'0';
622 return -1;
623 }
624
625 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
626 jsval_t *r)
627 {
628 jsstr_t *ret_str, *str;
629 const WCHAR *ptr;
630 DWORD len = 0;
631 WCHAR *ret;
632 HRESULT hres;
633
634 TRACE("\n");
635
636 if(!argc) {
637 if(r)
638 *r = jsval_string(jsstr_undefined());
639 return S_OK;
640 }
641
642 hres = to_string(ctx, argv[0], &str);
643 if(FAILED(hres))
644 return hres;
645
646 for(ptr = str->str; *ptr; ptr++) {
647 if(*ptr == '%') {
648 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
649 ptr += 2;
650 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
651 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
652 ptr += 5;
653 }
654
655 len++;
656 }
657
658 ret_str = jsstr_alloc_buf(len);
659 if(!ret_str) {
660 jsstr_release(str);
661 return E_OUTOFMEMORY;
662 }
663
664 ret = ret_str->str;
665 len = 0;
666 for(ptr = str->str; *ptr; ptr++) {
667 if(*ptr == '%') {
668 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
669 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
670 ptr += 2;
671 }
672 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
673 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
674 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
675 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
676 ptr += 5;
677 }
678 else
679 ret[len] = *ptr;
680 }
681 else
682 ret[len] = *ptr;
683
684 len++;
685 }
686
687 jsstr_release(str);
688
689 if(r)
690 *r = jsval_string(ret_str);
691 else
692 jsstr_release(ret_str);
693 return S_OK;
694 }
695
696 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
697 jsval_t *r)
698 {
699 FIXME("\n");
700 return E_NOTIMPL;
701 }
702
703 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
704 jsval_t *r)
705 {
706 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
707
708 TRACE("\n");
709
710 if(r) {
711 jsstr_t *ret;
712
713 ret = jsstr_alloc(JScriptW);
714 if(!ret)
715 return E_OUTOFMEMORY;
716
717 *r = jsval_string(ret);
718 }
719
720 return S_OK;
721 }
722
723 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
724 jsval_t *r)
725 {
726 TRACE("\n");
727
728 if(r)
729 *r = jsval_number(JSCRIPT_MAJOR_VERSION);
730 return S_OK;
731 }
732
733 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
734 jsval_t *r)
735 {
736 TRACE("\n");
737
738 if(r)
739 *r = jsval_number(JSCRIPT_MINOR_VERSION);
740 return S_OK;
741 }
742
743 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
744 jsval_t *r)
745 {
746 TRACE("\n");
747
748 if(r)
749 *r = jsval_number(JSCRIPT_BUILD_VERSION);
750 return S_OK;
751 }
752
753 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
754 jsval_t *r)
755 {
756 FIXME("\n");
757 return E_NOTIMPL;
758 }
759
760 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
761 jsval_t *r)
762 {
763 jsstr_t *str, *ret;
764 const WCHAR *ptr;
765 DWORD len = 0, i;
766 char buf[4];
767 WCHAR *rptr;
768 HRESULT hres;
769
770 TRACE("\n");
771
772 if(!argc) {
773 if(r)
774 *r = jsval_string(jsstr_undefined());
775 return S_OK;
776 }
777
778 hres = to_string(ctx, argv[0], &str);
779 if(FAILED(hres))
780 return hres;
781
782 for(ptr = str->str; *ptr; ptr++) {
783 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
784 len++;
785 }else {
786 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
787 if(!i) {
788 jsstr_release(str);
789 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
790 }
791
792 len += i;
793 }
794 }
795
796 ret = jsstr_alloc_buf(len);
797 if(!ret) {
798 jsstr_release(str);
799 return E_OUTOFMEMORY;
800 }
801 rptr = ret->str;
802
803 for(ptr = str->str; *ptr; ptr++) {
804 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
805 *rptr++ = *ptr;
806 }else {
807 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
808 for(i=0; i<len; i++) {
809 *rptr++ = '%';
810 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
811 *rptr++ = int_to_char(buf[i] & 0x0f);
812 }
813 }
814 }
815
816 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
817 jsstr_release(str);
818
819 if(r)
820 *r = jsval_string(ret);
821 else
822 jsstr_release(ret);
823 return S_OK;
824 }
825
826 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
827 jsval_t *r)
828 {
829 jsstr_t *str, *ret;
830 WCHAR *ptr;
831 int i, len = 0, val, res;
832 char buf[4];
833 WCHAR out;
834 HRESULT hres;
835
836 TRACE("\n");
837
838 if(!argc) {
839 if(r)
840 *r = jsval_string(jsstr_undefined());
841 return S_OK;
842 }
843
844 hres = to_string(ctx, argv[0], &str);
845 if(FAILED(hres))
846 return hres;
847
848 for(ptr = str->str; *ptr; ptr++) {
849 if(*ptr != '%') {
850 len++;
851 }else {
852 res = 0;
853 for(i=0; i<4; i++) {
854 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
855 break;
856 val += hex_to_int(ptr[i*3+1])<<4;
857 buf[i] = val;
858
859 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
860 if(res)
861 break;
862 }
863
864 if(!res) {
865 jsstr_release(str);
866 return throw_uri_error(ctx, JS_E_INVALID_URI_CODING, NULL);
867 }
868
869 ptr += i*3+2;
870 len++;
871 }
872 }
873
874 ret = jsstr_alloc_buf(len);
875 if(!ret) {
876 jsstr_release(str);
877 return E_OUTOFMEMORY;
878 }
879
880 len = 0;
881 for(ptr = str->str; *ptr; ptr++) {
882 if(*ptr != '%') {
883 ret->str[len] = *ptr;
884 len++;
885 }else {
886 for(i=0; i<4; i++) {
887 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
888 break;
889 val += hex_to_int(ptr[i*3+1])<<4;
890 buf[i] = val;
891
892 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret->str+len, 1);
893 if(res)
894 break;
895 }
896
897 ptr += i*3+2;
898 len++;
899 }
900 }
901
902 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
903 jsstr_release(str);
904
905 if(r)
906 *r = jsval_string(ret);
907 else
908 jsstr_release(ret);
909 return S_OK;
910 }
911
912 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
913 jsval_t *r)
914 {
915 jsstr_t *str, *ret;
916 char buf[4];
917 const WCHAR *ptr;
918 DWORD len = 0, size, i;
919 HRESULT hres;
920
921 TRACE("\n");
922
923 if(!argc) {
924 if(r)
925 *r = jsval_string(jsstr_undefined());
926 return S_OK;
927 }
928
929 hres = to_string(ctx, argv[0], &str);
930 if(FAILED(hres))
931 return hres;
932
933 for(ptr = str->str; *ptr; ptr++) {
934 if(is_uri_unescaped(*ptr))
935 len++;
936 else {
937 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
938 if(!size) {
939 jsstr_release(str);
940 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
941 }
942 len += size*3;
943 }
944 }
945
946 ret = jsstr_alloc_buf(len);
947 if(!ret) {
948 jsstr_release(str);
949 return E_OUTOFMEMORY;
950 }
951
952 len = 0;
953 for(ptr = str->str; *ptr; ptr++) {
954 if(is_uri_unescaped(*ptr)) {
955 ret->str[len++] = *ptr;
956 }else {
957 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
958 for(i=0; i<size; i++) {
959 ret->str[len++] = '%';
960 ret->str[len++] = int_to_char((BYTE)buf[i] >> 4);
961 ret->str[len++] = int_to_char(buf[i] & 0x0f);
962 }
963 }
964 }
965
966 jsstr_release(str);
967
968 if(r)
969 *r = jsval_string(ret);
970 else
971 jsstr_release(ret);
972 return S_OK;
973 }
974
975 /* ECMA-262 3rd Edition 15.1.3.2 */
976 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
977 jsval_t *r)
978 {
979 jsstr_t *str, *ret;
980 const WCHAR *ptr;
981 WCHAR *out_ptr;
982 DWORD len = 0;
983 HRESULT hres;
984
985 TRACE("\n");
986
987 if(!argc) {
988 if(r)
989 *r = jsval_string(jsstr_undefined());
990 return S_OK;
991 }
992
993 hres = to_string(ctx, argv[0], &str);
994 if(FAILED(hres))
995 return hres;
996
997 ptr = str->str;
998 while(*ptr) {
999 if(*ptr == '%') {
1000 char octets[4];
1001 unsigned char mask = 0x80;
1002 int i, size, num_bytes = 0;
1003 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1004 FIXME("Throw URIError: Invalid hex sequence\n");
1005 jsstr_release(str);
1006 return E_FAIL;
1007 }
1008 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1009 ptr += 3;
1010 while(octets[0] & mask) {
1011 mask = mask >> 1;
1012 ++num_bytes;
1013 }
1014 if(num_bytes == 1 || num_bytes > 4) {
1015 FIXME("Throw URIError: Invalid initial UTF character\n");
1016 jsstr_release(str);
1017 return E_FAIL;
1018 }
1019 for(i = 1; i < num_bytes; ++i) {
1020 if(*ptr != '%'){
1021 FIXME("Throw URIError: Incomplete UTF sequence\n");
1022 jsstr_release(str);
1023 return E_FAIL;
1024 }
1025 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1026 FIXME("Throw URIError: Invalid hex sequence\n");
1027 jsstr_release(str);
1028 return E_FAIL;
1029 }
1030 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1031 ptr += 3;
1032 }
1033 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1034 num_bytes ? num_bytes : 1, NULL, 0);
1035 if(size == 0) {
1036 FIXME("Throw URIError: Invalid UTF sequence\n");
1037 jsstr_release(str);
1038 return E_FAIL;
1039 }
1040 len += size;
1041 }else {
1042 ++ptr;
1043 ++len;
1044 }
1045 }
1046
1047 ret = jsstr_alloc_buf(len);
1048 if(!ret) {
1049 jsstr_release(str);
1050 return E_OUTOFMEMORY;
1051 }
1052 out_ptr = ret->str;
1053
1054 ptr = str->str;
1055 while(*ptr) {
1056 if(*ptr == '%') {
1057 char octets[4];
1058 unsigned char mask = 0x80;
1059 int i, size, num_bytes = 0;
1060 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1061 ptr += 3;
1062 while(octets[0] & mask) {
1063 mask = mask >> 1;
1064 ++num_bytes;
1065 }
1066 for(i = 1; i < num_bytes; ++i) {
1067 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1068 ptr += 3;
1069 }
1070 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1071 num_bytes ? num_bytes : 1, out_ptr, len);
1072 len -= size;
1073 out_ptr += size;
1074 }else {
1075 *out_ptr++ = *ptr++;
1076 --len;
1077 }
1078 }
1079
1080 jsstr_release(str);
1081
1082 if(r)
1083 *r = jsval_string(ret);
1084 else
1085 jsstr_release(ret);
1086 return S_OK;
1087 }
1088
1089 static const builtin_prop_t JSGlobal_props[] = {
1090 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1091 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1092 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1093 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1094 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1095 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1096 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1097 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1098 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1099 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1100 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1101 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1102 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1103 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1104 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1105 {RegExpErrorW, JSGlobal_RegExpError, PROPF_CONSTR|1},
1106 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1107 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1108 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1109 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1110 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1111 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1112 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1113 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1114 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1115 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1116 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1117 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1118 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1119 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1120 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1121 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1122 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1123 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1124 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1125 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1126 };
1127
1128 static const builtin_info_t JSGlobal_info = {
1129 JSCLASS_GLOBAL,
1130 {NULL, NULL, 0},
1131 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1132 JSGlobal_props,
1133 NULL,
1134 NULL
1135 };
1136
1137 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1138 {
1139 HRESULT hres;
1140
1141 hres = init_function_constr(ctx, object_prototype);
1142 if(FAILED(hres))
1143 return hres;
1144
1145 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1146 if(FAILED(hres))
1147 return hres;
1148
1149 hres = create_activex_constr(ctx, &ctx->activex_constr);
1150 if(FAILED(hres))
1151 return hres;
1152
1153 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1154 if(FAILED(hres))
1155 return hres;
1156
1157 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1158 if(FAILED(hres))
1159 return hres;
1160
1161 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1162 if(FAILED(hres))
1163 return hres;
1164
1165 hres = init_error_constr(ctx, object_prototype);
1166 if(FAILED(hres))
1167 return hres;
1168
1169 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1170 if(FAILED(hres))
1171 return hres;
1172
1173 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1174 if(FAILED(hres))
1175 return hres;
1176
1177 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1178 if(FAILED(hres))
1179 return hres;
1180
1181 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1182 if(FAILED(hres))
1183 return hres;
1184
1185 return S_OK;
1186 }
1187
1188 HRESULT init_global(script_ctx_t *ctx)
1189 {
1190 jsdisp_t *math, *object_prototype;
1191 HRESULT hres;
1192
1193 if(ctx->global)
1194 return S_OK;
1195
1196 hres = create_object_prototype(ctx, &object_prototype);
1197 if(FAILED(hres))
1198 return hres;
1199
1200 hres = init_constructors(ctx, object_prototype);
1201 jsdisp_release(object_prototype);
1202 if(FAILED(hres))
1203 return hres;
1204
1205 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1206 if(FAILED(hres))
1207 return hres;
1208
1209 hres = create_math(ctx, &math);
1210 if(FAILED(hres))
1211 return hres;
1212
1213 hres = jsdisp_propput_dontenum(ctx->global, MathW, jsval_obj(math));
1214 jsdisp_release(math);
1215 if(FAILED(hres))
1216 return hres;
1217
1218 hres = jsdisp_propput_dontenum(ctx->global, undefinedW, jsval_undefined());
1219 if(FAILED(hres))
1220 return hres;
1221
1222 hres = jsdisp_propput_dontenum(ctx->global, NaNW, jsval_number(NAN));
1223 if(FAILED(hres))
1224 return hres;
1225
1226 hres = jsdisp_propput_dontenum(ctx->global, InfinityW, jsval_number(INFINITY));
1227 return hres;
1228 }
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