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kernel32: Consolidate some duplicate variable declarations.
[wine/multimedia.git] / dlls / jscript / global.c
blob64546bdf3db1d0e7c5c82d8183067dd6d9e91a8f
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 static const WCHAR NaNW[] = {'N','a','N',0};
33 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
34 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
35 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
36 static const WCHAR DateW[] = {'D','a','t','e',0};
37 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
38 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
39 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
40 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
41 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
42 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
43 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
44 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
45 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
46 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
47 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
48 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
49 static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
50 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
51 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
52 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
53 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
54 static const WCHAR evalW[] = {'e','v','a','l',0};
55 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
56 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
57 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
58 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
59 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
60 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
61 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
62 static const WCHAR ScriptEngineMajorVersionW[] =
63 {'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};
64 static const WCHAR ScriptEngineMinorVersionW[] =
65 {'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};
66 static const WCHAR ScriptEngineBuildVersionW[] =
67 {'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};
68 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
69 static const WCHAR MathW[] = {'M','a','t','h',0};
70 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
71 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
72 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
73 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
74
75 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
76
77 static int uri_char_table[] = {
78 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
79 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
80 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
81 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
82 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
83 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
84 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
85 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
86 };
87
88 /* 1 - reserved */
89 /* 2 - unescaped */
90
91 static inline BOOL is_uri_reserved(WCHAR c)
92 {
93 return c < 128 && uri_char_table[c] == 1;
94 }
95
96 static inline BOOL is_uri_unescaped(WCHAR c)
97 {
98 return c < 128 && uri_char_table[c] == 2;
99 }
100
101 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
102 static inline BOOL is_ecma_nonblank(const WCHAR c)
103 {
104 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
105 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
106 }
107
108 static WCHAR int_to_char(int i)
109 {
110 if(i < 10)
111 return '0'+i;
112 return 'A'+i-10;
113 }
114
115 static HRESULT constructor_call(jsdisp_t *constr, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
116 {
117 if(flags != DISPATCH_PROPERTYGET)
118 return jsdisp_call_value(constr, NULL, flags, argc, argv, r);
119
120 *r = jsval_obj(jsdisp_addref(constr));
121 return S_OK;
122 }
123
124 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
125 jsval_t *r)
126 {
127 TRACE("\n");
128
129 return constructor_call(ctx->array_constr, flags, argc, argv, r);
130 }
131
132 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
133 jsval_t *r)
134 {
135 TRACE("\n");
136
137 return constructor_call(ctx->bool_constr, flags, argc, argv, r);
138 }
139
140 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
141 jsval_t *r)
142 {
143 TRACE("\n");
144
145 return constructor_call(ctx->date_constr, flags, argc, argv, r);
146 }
147
148 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
149 jsval_t *r)
150 {
151 TRACE("\n");
152
153 return constructor_call(ctx->error_constr, flags, argc, argv, r);
154 }
155
156 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
157 jsval_t *r)
158 {
159 TRACE("\n");
160
161 return constructor_call(ctx->eval_error_constr, flags, argc, argv, r);
162 }
163
164 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
165 jsval_t *r)
166 {
167 TRACE("\n");
168
169 return constructor_call(ctx->range_error_constr, flags, argc, argv, r);
170 }
171
172 static HRESULT JSGlobal_RegExpError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
173 jsval_t *r)
174 {
175 TRACE("\n");
176
177 return constructor_call(ctx->regexp_error_constr, flags, argc, argv, r);
178 }
179
180 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
181 jsval_t *r)
182 {
183 TRACE("\n");
184
185 return constructor_call(ctx->reference_error_constr, flags, argc, argv, r);
186 }
187
188 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
189 jsval_t *r)
190 {
191 TRACE("\n");
192
193 return constructor_call(ctx->syntax_error_constr, flags, argc, argv, r);
194 }
195
196 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
197 jsval_t *r)
198 {
199 TRACE("\n");
200
201 return constructor_call(ctx->type_error_constr, flags, argc, argv, r);
202 }
203
204 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
205 jsval_t *r)
206 {
207 TRACE("\n");
208
209 return constructor_call(ctx->uri_error_constr, flags, argc, argv, r);
210 }
211
212 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
213 jsval_t *r)
214 {
215 TRACE("\n");
216
217 return constructor_call(ctx->function_constr, flags, argc, argv, r);
218 }
219
220 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
221 jsval_t *r)
222 {
223 TRACE("\n");
224
225 return constructor_call(ctx->number_constr, flags, argc, argv, r);
226 }
227
228 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
229 jsval_t *r)
230 {
231 TRACE("\n");
232
233 return constructor_call(ctx->object_constr, flags, argc, argv, r);
234 }
235
236 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
237 jsval_t *r)
238 {
239 TRACE("\n");
240
241 return constructor_call(ctx->string_constr, flags, argc, argv, r);
242 }
243
244 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
245 jsval_t *r)
246 {
247 TRACE("\n");
248
249 return constructor_call(ctx->regexp_constr, flags, argc, argv, r);
250 }
251
252 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
253 jsval_t *r)
254 {
255 TRACE("\n");
256
257 return constructor_call(ctx->activex_constr, flags, argc, argv, r);
258 }
259
260 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
261 jsval_t *r)
262 {
263 TRACE("\n");
264
265 return constructor_call(ctx->vbarray_constr, flags, argc, argv, r);
266 }
267
268 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
269 jsval_t *r)
270 {
271 FIXME("\n");
272 return E_NOTIMPL;
273 }
274
275 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
276 jsval_t *r)
277 {
278 jsstr_t *ret_str, *str;
279 const WCHAR *ptr, *buf;
280 DWORD len = 0;
281 WCHAR *ret;
282 HRESULT hres;
283
284 TRACE("\n");
285
286 if(!argc) {
287 if(r)
288 *r = jsval_string(jsstr_undefined());
289 return S_OK;
290 }
291
292 hres = to_flat_string(ctx, argv[0], &str, &buf);
293 if(FAILED(hres))
294 return hres;
295
296 for(ptr = buf; *ptr; ptr++) {
297 if(*ptr > 0xff)
298 len += 6;
299 else if(is_ecma_nonblank(*ptr))
300 len++;
301 else
302 len += 3;
303 }
304
305 ret = jsstr_alloc_buf(len, &ret_str);
306 if(!ret) {
307 jsstr_release(str);
308 return E_OUTOFMEMORY;
309 }
310
311 len = 0;
312 for(ptr = buf; *ptr; ptr++) {
313 if(*ptr > 0xff) {
314 ret[len++] = '%';
315 ret[len++] = 'u';
316 ret[len++] = int_to_char(*ptr >> 12);
317 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
318 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
319 ret[len++] = int_to_char(*ptr & 0xf);
320 }
321 else if(is_ecma_nonblank(*ptr))
322 ret[len++] = *ptr;
323 else {
324 ret[len++] = '%';
325 ret[len++] = int_to_char(*ptr >> 4);
326 ret[len++] = int_to_char(*ptr & 0xf);
327 }
328 }
329
330 jsstr_release(str);
331
332 if(r)
333 *r = jsval_string(ret_str);
334 else
335 jsstr_release(ret_str);
336 return S_OK;
337 }
338
339 /* ECMA-262 3rd Edition 15.1.2.1 */
340 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
341 jsval_t *r)
342 {
343 bytecode_t *code;
344 const WCHAR *src;
345 HRESULT hres;
346
347 TRACE("\n");
348
349 if(!argc) {
350 if(r)
351 *r = jsval_undefined();
352 return S_OK;
353 }
354
355 if(!is_string(argv[0])) {
356 if(r)
357 return jsval_copy(argv[0], r);
358 return S_OK;
359 }
360
361 if(!ctx->exec_ctx) {
362 FIXME("No active exec_ctx\n");
363 return E_UNEXPECTED;
364 }
365
366 src = jsstr_flatten(get_string(argv[0]));
367 if(!src)
368 return E_OUTOFMEMORY;
369
370 TRACE("parsing %s\n", debugstr_jsval(argv[0]));
371 hres = compile_script(ctx, src, NULL, NULL, TRUE, FALSE, &code);
372 if(FAILED(hres)) {
373 WARN("parse (%s) failed: %08x\n", debugstr_jsval(argv[0]), hres);
374 return throw_syntax_error(ctx, hres, NULL);
375 }
376
377 hres = exec_source(ctx->exec_ctx, code, &code->global_code, TRUE, r);
378 release_bytecode(code);
379 return hres;
380 }
381
382 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
383 jsval_t *r)
384 {
385 BOOL ret = TRUE;
386 double n;
387 HRESULT hres;
388
389 TRACE("\n");
390
391 if(argc) {
392 hres = to_number(ctx, argv[0], &n);
393 if(FAILED(hres))
394 return hres;
395
396 if(!isnan(n))
397 ret = FALSE;
398 }
399
400 if(r)
401 *r = jsval_bool(ret);
402 return S_OK;
403 }
404
405 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
406 jsval_t *r)
407 {
408 BOOL ret = FALSE;
409 HRESULT hres;
410
411 TRACE("\n");
412
413 if(argc) {
414 double n;
415
416 hres = to_number(ctx, argv[0], &n);
417 if(FAILED(hres))
418 return hres;
419
420 if(!isinf(n) && !isnan(n))
421 ret = TRUE;
422 }
423
424 if(r)
425 *r = jsval_bool(ret);
426 return S_OK;
427 }
428
429 static INT char_to_int(WCHAR c)
430 {
431 if('0' <= c && c <= '9')
432 return c - '0';
433 if('a' <= c && c <= 'z')
434 return c - 'a' + 10;
435 if('A' <= c && c <= 'Z')
436 return c - 'A' + 10;
437 return 100;
438 }
439
440 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
441 jsval_t *r)
442 {
443 BOOL neg = FALSE, empty = TRUE;
444 const WCHAR *ptr;
445 DOUBLE ret = 0.0;
446 INT radix=0, i;
447 jsstr_t *str;
448 HRESULT hres;
449
450 if(!argc) {
451 if(r)
452 *r = jsval_number(NAN);
453 return S_OK;
454 }
455
456 if(argc >= 2) {
457 hres = to_int32(ctx, argv[1], &radix);
458 if(FAILED(hres))
459 return hres;
460
461 if(radix && (radix < 2 || radix > 36)) {
462 WARN("radix %d out of range\n", radix);
463 if(r)
464 *r = jsval_number(NAN);
465 return S_OK;
466 }
467 }
468
469 hres = to_flat_string(ctx, argv[0], &str, &ptr);
470 if(FAILED(hres))
471 return hres;
472
473 while(isspaceW(*ptr))
474 ptr++;
475
476 switch(*ptr) {
477 case '+':
478 ptr++;
479 break;
480 case '-':
481 neg = TRUE;
482 ptr++;
483 break;
484 }
485
486 if(!radix) {
487 if(*ptr == '0') {
488 if(ptr[1] == 'x' || ptr[1] == 'X') {
489 radix = 16;
490 ptr += 2;
491 }else {
492 radix = 8;
493 ptr++;
494 empty = FALSE;
495 }
496 }else {
497 radix = 10;
498 }
499 }
500
501 i = char_to_int(*ptr++);
502 if(i < radix) {
503 do {
504 ret = ret*radix + i;
505 i = char_to_int(*ptr++);
506 }while(i < radix);
507 }else if(empty) {
508 ret = NAN;
509 }
510
511 jsstr_release(str);
512
513 if(neg)
514 ret = -ret;
515
516 if(r)
517 *r = jsval_number(ret);
518 return S_OK;
519 }
520
521 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
522 jsval_t *r)
523 {
524 LONGLONG d = 0, hlp;
525 jsstr_t *val_str;
526 int exp = 0;
527 const WCHAR *str;
528 BOOL ret_nan = TRUE, positive = TRUE;
529 HRESULT hres;
530
531 if(!argc) {
532 if(r)
533 *r = jsval_number(NAN);
534 return S_OK;
535 }
536
537 hres = to_flat_string(ctx, argv[0], &val_str, &str);
538 if(FAILED(hres))
539 return hres;
540
541 while(isspaceW(*str)) str++;
542
543 if(*str == '+')
544 str++;
545 else if(*str == '-') {
546 positive = FALSE;
547 str++;
548 }
549
550 if(isdigitW(*str))
551 ret_nan = FALSE;
552
553 while(isdigitW(*str)) {
554 hlp = d*10 + *(str++) - '0';
555 if(d>MAXLONGLONG/10 || hlp<0) {
556 exp++;
557 break;
558 }
559 else
560 d = hlp;
561 }
562 while(isdigitW(*str)) {
563 exp++;
564 str++;
565 }
566
567 if(*str == '.') str++;
568
569 if(isdigitW(*str))
570 ret_nan = FALSE;
571
572 while(isdigitW(*str)) {
573 hlp = d*10 + *(str++) - '0';
574 if(d>MAXLONGLONG/10 || hlp<0)
575 break;
576
577 d = hlp;
578 exp--;
579 }
580 while(isdigitW(*str))
581 str++;
582
583 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
584 int sign = 1, e = 0;
585
586 str++;
587 if(*str == '+')
588 str++;
589 else if(*str == '-') {
590 sign = -1;
591 str++;
592 }
593
594 while(isdigitW(*str)) {
595 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
596 e = INT_MAX;
597 }
598 e *= sign;
599
600 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
601 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
602 else exp += e;
603 }
604
605 jsstr_release(val_str);
606
607 if(ret_nan) {
608 if(r)
609 *r = jsval_number(NAN);
610 return S_OK;
611 }
612
613 if(!positive)
614 d = -d;
615 if(r)
616 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
617 return S_OK;
618 }
619
620 static inline int hex_to_int(const WCHAR wch) {
621 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
622 if(isdigitW(wch)) return wch-'0';
623 return -1;
624 }
625
626 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
627 jsval_t *r)
628 {
629 jsstr_t *ret_str, *str;
630 const WCHAR *ptr, *buf;
631 DWORD len = 0;
632 WCHAR *ret;
633 HRESULT hres;
634
635 TRACE("\n");
636
637 if(!argc) {
638 if(r)
639 *r = jsval_string(jsstr_undefined());
640 return S_OK;
641 }
642
643 hres = to_flat_string(ctx, argv[0], &str, &buf);
644 if(FAILED(hres))
645 return hres;
646
647 for(ptr = buf; *ptr; ptr++) {
648 if(*ptr == '%') {
649 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
650 ptr += 2;
651 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
652 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
653 ptr += 5;
654 }
655
656 len++;
657 }
658
659 ret = jsstr_alloc_buf(len, &ret_str);
660 if(!ret) {
661 jsstr_release(str);
662 return E_OUTOFMEMORY;
663 }
664
665 len = 0;
666 for(ptr = buf; *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 const WCHAR *ptr, *uri;
764 jsstr_t *str, *ret;
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_flat_string(ctx, argv[0], &str, &uri);
779 if(FAILED(hres))
780 return hres;
781
782 for(ptr = uri; *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 rptr = jsstr_alloc_buf(len, &ret);
797 if(!rptr) {
798 jsstr_release(str);
799 return E_OUTOFMEMORY;
800 }
801
802 for(ptr = uri; *ptr; ptr++) {
803 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
804 *rptr++ = *ptr;
805 }else {
806 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
807 for(i=0; i<len; i++) {
808 *rptr++ = '%';
809 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
810 *rptr++ = int_to_char(buf[i] & 0x0f);
811 }
812 }
813 }
814
815 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
816 jsstr_release(str);
817
818 if(r)
819 *r = jsval_string(ret);
820 else
821 jsstr_release(ret);
822 return S_OK;
823 }
824
825 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
826 jsval_t *r)
827 {
828 const WCHAR *ptr, *uri;
829 jsstr_t *str, *ret_str;
830 unsigned len = 0;
831 int i, val, res;
832 WCHAR *ret;
833 char buf[4];
834 WCHAR out;
835 HRESULT hres;
836
837 TRACE("\n");
838
839 if(!argc) {
840 if(r)
841 *r = jsval_string(jsstr_undefined());
842 return S_OK;
843 }
844
845 hres = to_flat_string(ctx, argv[0], &str, &uri);
846 if(FAILED(hres))
847 return hres;
848
849 for(ptr = uri; *ptr; ptr++) {
850 if(*ptr != '%') {
851 len++;
852 }else {
853 res = 0;
854 for(i=0; i<4; i++) {
855 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
856 break;
857 val += hex_to_int(ptr[i*3+1])<<4;
858 buf[i] = val;
859
860 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
861 if(res)
862 break;
863 }
864
865 if(!res) {
866 jsstr_release(str);
867 return throw_uri_error(ctx, JS_E_INVALID_URI_CODING, NULL);
868 }
869
870 ptr += i*3+2;
871 len++;
872 }
873 }
874
875 ret = jsstr_alloc_buf(len, &ret_str);
876 if(!ret) {
877 jsstr_release(str);
878 return E_OUTOFMEMORY;
879 }
880
881 for(ptr = uri; *ptr; ptr++) {
882 if(*ptr != '%') {
883 *ret++ = *ptr;
884 }else {
885 for(i=0; i<4; i++) {
886 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
887 break;
888 val += hex_to_int(ptr[i*3+1])<<4;
889 buf[i] = val;
890
891 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret, 1);
892 if(res)
893 break;
894 }
895
896 ptr += i*3+2;
897 ret++;
898 }
899 }
900
901 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret_str));
902 jsstr_release(str);
903
904 if(r)
905 *r = jsval_string(ret_str);
906 else
907 jsstr_release(ret_str);
908 return S_OK;
909 }
910
911 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
912 jsval_t *r)
913 {
914 jsstr_t *str, *ret_str;
915 char buf[4];
916 const WCHAR *ptr, *uri;
917 DWORD len = 0, size, i;
918 WCHAR *ret;
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_flat_string(ctx, argv[0], &str, &uri);
930 if(FAILED(hres))
931 return hres;
932
933 for(ptr = uri; *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, &ret_str);
947 if(!ret) {
948 jsstr_release(str);
949 return E_OUTOFMEMORY;
950 }
951
952 for(ptr = uri; *ptr; ptr++) {
953 if(is_uri_unescaped(*ptr)) {
954 *ret++ = *ptr;
955 }else {
956 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
957 for(i=0; i<size; i++) {
958 *ret++ = '%';
959 *ret++ = int_to_char((BYTE)buf[i] >> 4);
960 *ret++ = int_to_char(buf[i] & 0x0f);
961 }
962 }
963 }
964
965 jsstr_release(str);
966
967 if(r)
968 *r = jsval_string(ret_str);
969 else
970 jsstr_release(ret_str);
971 return S_OK;
972 }
973
974 /* ECMA-262 3rd Edition 15.1.3.2 */
975 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
976 jsval_t *r)
977 {
978 const WCHAR *ptr, *uri;
979 jsstr_t *str, *ret;
980 WCHAR *out_ptr;
981 DWORD len = 0;
982 HRESULT hres;
983
984 TRACE("\n");
985
986 if(!argc) {
987 if(r)
988 *r = jsval_string(jsstr_undefined());
989 return S_OK;
990 }
991
992 hres = to_flat_string(ctx, argv[0], &str, &uri);
993 if(FAILED(hres))
994 return hres;
995
996 ptr = uri;
997 while(*ptr) {
998 if(*ptr == '%') {
999 char octets[4];
1000 unsigned char mask = 0x80;
1001 int i, size, num_bytes = 0;
1002 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1003 FIXME("Throw URIError: Invalid hex sequence\n");
1004 jsstr_release(str);
1005 return E_FAIL;
1006 }
1007 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1008 ptr += 3;
1009 while(octets[0] & mask) {
1010 mask = mask >> 1;
1011 ++num_bytes;
1012 }
1013 if(num_bytes == 1 || num_bytes > 4) {
1014 FIXME("Throw URIError: Invalid initial UTF character\n");
1015 jsstr_release(str);
1016 return E_FAIL;
1017 }
1018 for(i = 1; i < num_bytes; ++i) {
1019 if(*ptr != '%'){
1020 FIXME("Throw URIError: Incomplete UTF sequence\n");
1021 jsstr_release(str);
1022 return E_FAIL;
1023 }
1024 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1025 FIXME("Throw URIError: Invalid hex sequence\n");
1026 jsstr_release(str);
1027 return E_FAIL;
1028 }
1029 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1030 ptr += 3;
1031 }
1032 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1033 num_bytes ? num_bytes : 1, NULL, 0);
1034 if(size == 0) {
1035 FIXME("Throw URIError: Invalid UTF sequence\n");
1036 jsstr_release(str);
1037 return E_FAIL;
1038 }
1039 len += size;
1040 }else {
1041 ++ptr;
1042 ++len;
1043 }
1044 }
1045
1046 out_ptr = jsstr_alloc_buf(len, &ret);
1047 if(!ret) {
1048 jsstr_release(str);
1049 return E_OUTOFMEMORY;
1050 }
1051
1052 ptr = uri;
1053 while(*ptr) {
1054 if(*ptr == '%') {
1055 char octets[4];
1056 unsigned char mask = 0x80;
1057 int i, size, num_bytes = 0;
1058 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1059 ptr += 3;
1060 while(octets[0] & mask) {
1061 mask = mask >> 1;
1062 ++num_bytes;
1063 }
1064 for(i = 1; i < num_bytes; ++i) {
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, out_ptr, len);
1070 len -= size;
1071 out_ptr += size;
1072 }else {
1073 *out_ptr++ = *ptr++;
1074 --len;
1075 }
1076 }
1077
1078 jsstr_release(str);
1079
1080 if(r)
1081 *r = jsval_string(ret);
1082 else
1083 jsstr_release(ret);
1084 return S_OK;
1085 }
1086
1087 static const builtin_prop_t JSGlobal_props[] = {
1088 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1089 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1090 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1091 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1092 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1093 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1094 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1095 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1096 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1097 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1098 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1099 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1100 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1101 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1102 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1103 {RegExpErrorW, JSGlobal_RegExpError, PROPF_CONSTR|1},
1104 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1105 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1106 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1107 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1108 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1109 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1110 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1111 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1112 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1113 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1114 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1115 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1116 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1117 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1118 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1119 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1120 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1121 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1122 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1123 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1124 };
1125
1126 static const builtin_info_t JSGlobal_info = {
1127 JSCLASS_GLOBAL,
1128 {NULL, NULL, 0},
1129 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1130 JSGlobal_props,
1131 NULL,
1132 NULL
1133 };
1134
1135 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1136 {
1137 HRESULT hres;
1138
1139 hres = init_function_constr(ctx, object_prototype);
1140 if(FAILED(hres))
1141 return hres;
1142
1143 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1144 if(FAILED(hres))
1145 return hres;
1146
1147 hres = create_activex_constr(ctx, &ctx->activex_constr);
1148 if(FAILED(hres))
1149 return hres;
1150
1151 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1152 if(FAILED(hres))
1153 return hres;
1154
1155 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1156 if(FAILED(hres))
1157 return hres;
1158
1159 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1160 if(FAILED(hres))
1161 return hres;
1162
1163 hres = init_error_constr(ctx, object_prototype);
1164 if(FAILED(hres))
1165 return hres;
1166
1167 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1168 if(FAILED(hres))
1169 return hres;
1170
1171 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1172 if(FAILED(hres))
1173 return hres;
1174
1175 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1176 if(FAILED(hres))
1177 return hres;
1178
1179 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1180 if(FAILED(hres))
1181 return hres;
1182
1183 return S_OK;
1184 }
1185
1186 HRESULT init_global(script_ctx_t *ctx)
1187 {
1188 jsdisp_t *math, *object_prototype;
1189 HRESULT hres;
1190
1191 if(ctx->global)
1192 return S_OK;
1193
1194 hres = create_object_prototype(ctx, &object_prototype);
1195 if(FAILED(hres))
1196 return hres;
1197
1198 hres = init_constructors(ctx, object_prototype);
1199 jsdisp_release(object_prototype);
1200 if(FAILED(hres))
1201 return hres;
1202
1203 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1204 if(FAILED(hres))
1205 return hres;
1206
1207 hres = create_math(ctx, &math);
1208 if(FAILED(hres))
1209 return hres;
1210
1211 hres = jsdisp_propput_dontenum(ctx->global, MathW, jsval_obj(math));
1212 jsdisp_release(math);
1213 if(FAILED(hres))
1214 return hres;
1215
1216 hres = jsdisp_propput_dontenum(ctx->global, undefinedW, jsval_undefined());
1217 if(FAILED(hres))
1218 return hres;
1219
1220 hres = jsdisp_propput_dontenum(ctx->global, NaNW, jsval_number(NAN));
1221 if(FAILED(hres))
1222 return hres;
1223
1224 hres = jsdisp_propput_dontenum(ctx->global, InfinityW, jsval_number(INFINITY));
1225 return hres;
1226 }
Maarten's multimedia branch