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Release 3.8.
[wine.git] / dlls / jscript / global.c
blobcc2c3c1ef46e801aae4866b73a69df472c519bdf
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 JSONW[] = {'J','S','O','N',0};
71 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
72 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
73 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
74 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
75
76 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
77
78 static int uri_char_table[] = {
79 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
80 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
81 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
82 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
83 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
84 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
85 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
86 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
87 };
88
89 /* 1 - reserved */
90 /* 2 - unescaped */
91
92 static inline BOOL is_uri_reserved(WCHAR c)
93 {
94 return c < 128 && uri_char_table[c] == 1;
95 }
96
97 static inline BOOL is_uri_unescaped(WCHAR c)
98 {
99 return c < 128 && uri_char_table[c] == 2;
100 }
101
102 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
103 static inline BOOL is_ecma_nonblank(const WCHAR c)
104 {
105 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
106 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
107 }
108
109 static WCHAR int_to_char(int i)
110 {
111 if(i < 10)
112 return '0'+i;
113 return 'A'+i-10;
114 }
115
116 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
117 jsval_t *r)
118 {
119 FIXME("\n");
120 return E_NOTIMPL;
121 }
122
123 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
124 jsval_t *r)
125 {
126 jsstr_t *ret_str, *str;
127 const WCHAR *ptr, *buf;
128 DWORD len = 0;
129 WCHAR *ret;
130 HRESULT hres;
131
132 TRACE("\n");
133
134 if(!argc) {
135 if(r)
136 *r = jsval_string(jsstr_undefined());
137 return S_OK;
138 }
139
140 hres = to_flat_string(ctx, argv[0], &str, &buf);
141 if(FAILED(hres))
142 return hres;
143
144 for(ptr = buf; *ptr; ptr++) {
145 if(*ptr > 0xff)
146 len += 6;
147 else if(is_ecma_nonblank(*ptr))
148 len++;
149 else
150 len += 3;
151 }
152
153 ret_str = jsstr_alloc_buf(len, &ret);
154 if(!ret_str) {
155 jsstr_release(str);
156 return E_OUTOFMEMORY;
157 }
158
159 len = 0;
160 for(ptr = buf; *ptr; ptr++) {
161 if(*ptr > 0xff) {
162 ret[len++] = '%';
163 ret[len++] = 'u';
164 ret[len++] = int_to_char(*ptr >> 12);
165 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
166 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
167 ret[len++] = int_to_char(*ptr & 0xf);
168 }
169 else if(is_ecma_nonblank(*ptr))
170 ret[len++] = *ptr;
171 else {
172 ret[len++] = '%';
173 ret[len++] = int_to_char(*ptr >> 4);
174 ret[len++] = int_to_char(*ptr & 0xf);
175 }
176 }
177
178 jsstr_release(str);
179
180 if(r)
181 *r = jsval_string(ret_str);
182 else
183 jsstr_release(ret_str);
184 return S_OK;
185 }
186
187 /* ECMA-262 3rd Edition 15.1.2.1 */
188 HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
189 jsval_t *r)
190 {
191 call_frame_t *frame;
192 DWORD exec_flags = EXEC_EVAL;
193 bytecode_t *code;
194 const WCHAR *src;
195 HRESULT hres;
196
197 TRACE("\n");
198
199 if(!argc) {
200 if(r)
201 *r = jsval_undefined();
202 return S_OK;
203 }
204
205 if(!is_string(argv[0])) {
206 if(r)
207 return jsval_copy(argv[0], r);
208 return S_OK;
209 }
210
211 if(!(frame = ctx->call_ctx)) {
212 FIXME("No active exec_ctx\n");
213 return E_UNEXPECTED;
214 }
215
216 src = jsstr_flatten(get_string(argv[0]));
217 if(!src)
218 return E_OUTOFMEMORY;
219
220 TRACE("parsing %s\n", debugstr_jsval(argv[0]));
221 hres = compile_script(ctx, src, NULL, NULL, TRUE, FALSE, &code);
222 if(FAILED(hres)) {
223 WARN("parse (%s) failed: %08x\n", debugstr_jsval(argv[0]), hres);
224 return throw_syntax_error(ctx, hres, NULL);
225 }
226
227 if(frame->flags & EXEC_GLOBAL)
228 exec_flags |= EXEC_GLOBAL;
229 if(flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE)
230 exec_flags |= EXEC_RETURN_TO_INTERP;
231 hres = exec_source(ctx, exec_flags, code, &code->global_code, frame->scope,
232 frame->this_obj, NULL, frame->variable_obj, 0, NULL, r);
233 release_bytecode(code);
234 return hres;
235 }
236
237 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
238 jsval_t *r)
239 {
240 BOOL ret = TRUE;
241 double n;
242 HRESULT hres;
243
244 TRACE("\n");
245
246 if(argc) {
247 hres = to_number(ctx, argv[0], &n);
248 if(FAILED(hres))
249 return hres;
250
251 if(!isnan(n))
252 ret = FALSE;
253 }
254
255 if(r)
256 *r = jsval_bool(ret);
257 return S_OK;
258 }
259
260 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
261 jsval_t *r)
262 {
263 BOOL ret = FALSE;
264 HRESULT hres;
265
266 TRACE("\n");
267
268 if(argc) {
269 double n;
270
271 hres = to_number(ctx, argv[0], &n);
272 if(FAILED(hres))
273 return hres;
274
275 ret = is_finite(n);
276 }
277
278 if(r)
279 *r = jsval_bool(ret);
280 return S_OK;
281 }
282
283 static INT char_to_int(WCHAR c)
284 {
285 if('0' <= c && c <= '9')
286 return c - '0';
287 if('a' <= c && c <= 'z')
288 return c - 'a' + 10;
289 if('A' <= c && c <= 'Z')
290 return c - 'A' + 10;
291 return 100;
292 }
293
294 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
295 jsval_t *r)
296 {
297 BOOL neg = FALSE, empty = TRUE;
298 const WCHAR *ptr;
299 DOUBLE ret = 0.0;
300 INT radix=0, i;
301 jsstr_t *str;
302 HRESULT hres;
303
304 if(!argc) {
305 if(r)
306 *r = jsval_number(NAN);
307 return S_OK;
308 }
309
310 if(argc >= 2) {
311 hres = to_int32(ctx, argv[1], &radix);
312 if(FAILED(hres))
313 return hres;
314
315 if(radix && (radix < 2 || radix > 36)) {
316 WARN("radix %d out of range\n", radix);
317 if(r)
318 *r = jsval_number(NAN);
319 return S_OK;
320 }
321 }
322
323 hres = to_flat_string(ctx, argv[0], &str, &ptr);
324 if(FAILED(hres))
325 return hres;
326
327 while(isspaceW(*ptr))
328 ptr++;
329
330 switch(*ptr) {
331 case '+':
332 ptr++;
333 break;
334 case '-':
335 neg = TRUE;
336 ptr++;
337 break;
338 }
339
340 if(!radix) {
341 if(*ptr == '0') {
342 if(ptr[1] == 'x' || ptr[1] == 'X') {
343 radix = 16;
344 ptr += 2;
345 }else {
346 radix = 8;
347 ptr++;
348 empty = FALSE;
349 }
350 }else {
351 radix = 10;
352 }
353 }
354
355 i = char_to_int(*ptr++);
356 if(i < radix) {
357 do {
358 ret = ret*radix + i;
359 i = char_to_int(*ptr++);
360 }while(i < radix);
361 }else if(empty) {
362 ret = NAN;
363 }
364
365 jsstr_release(str);
366
367 if(neg)
368 ret = -ret;
369
370 if(r)
371 *r = jsval_number(ret);
372 return S_OK;
373 }
374
375 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
376 jsval_t *r)
377 {
378 LONGLONG d = 0, hlp;
379 jsstr_t *val_str;
380 int exp = 0;
381 const WCHAR *str;
382 BOOL ret_nan = TRUE, positive = TRUE;
383 HRESULT hres;
384
385 if(!argc) {
386 if(r)
387 *r = jsval_number(NAN);
388 return S_OK;
389 }
390
391 hres = to_flat_string(ctx, argv[0], &val_str, &str);
392 if(FAILED(hres))
393 return hres;
394
395 while(isspaceW(*str)) str++;
396
397 if(*str == '+')
398 str++;
399 else if(*str == '-') {
400 positive = FALSE;
401 str++;
402 }
403
404 if(isdigitW(*str))
405 ret_nan = FALSE;
406
407 while(isdigitW(*str)) {
408 hlp = d*10 + *(str++) - '0';
409 if(d>MAXLONGLONG/10 || hlp<0) {
410 exp++;
411 break;
412 }
413 else
414 d = hlp;
415 }
416 while(isdigitW(*str)) {
417 exp++;
418 str++;
419 }
420
421 if(*str == '.') str++;
422
423 if(isdigitW(*str))
424 ret_nan = FALSE;
425
426 while(isdigitW(*str)) {
427 hlp = d*10 + *(str++) - '0';
428 if(d>MAXLONGLONG/10 || hlp<0)
429 break;
430
431 d = hlp;
432 exp--;
433 }
434 while(isdigitW(*str))
435 str++;
436
437 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
438 int sign = 1, e = 0;
439
440 str++;
441 if(*str == '+')
442 str++;
443 else if(*str == '-') {
444 sign = -1;
445 str++;
446 }
447
448 while(isdigitW(*str)) {
449 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
450 e = INT_MAX;
451 }
452 e *= sign;
453
454 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
455 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
456 else exp += e;
457 }
458
459 jsstr_release(val_str);
460
461 if(ret_nan) {
462 if(r)
463 *r = jsval_number(NAN);
464 return S_OK;
465 }
466
467 if(!positive)
468 d = -d;
469 if(r)
470 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
471 return S_OK;
472 }
473
474 static inline int hex_to_int(const WCHAR wch) {
475 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
476 if(isdigitW(wch)) return wch-'0';
477 return -1;
478 }
479
480 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
481 jsval_t *r)
482 {
483 jsstr_t *ret_str, *str;
484 const WCHAR *ptr, *buf;
485 DWORD len = 0;
486 WCHAR *ret;
487 HRESULT hres;
488
489 TRACE("\n");
490
491 if(!argc) {
492 if(r)
493 *r = jsval_string(jsstr_undefined());
494 return S_OK;
495 }
496
497 hres = to_flat_string(ctx, argv[0], &str, &buf);
498 if(FAILED(hres))
499 return hres;
500
501 for(ptr = buf; *ptr; ptr++) {
502 if(*ptr == '%') {
503 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
504 ptr += 2;
505 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
506 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
507 ptr += 5;
508 }
509
510 len++;
511 }
512
513 ret_str = jsstr_alloc_buf(len, &ret);
514 if(!ret_str) {
515 jsstr_release(str);
516 return E_OUTOFMEMORY;
517 }
518
519 len = 0;
520 for(ptr = buf; *ptr; ptr++) {
521 if(*ptr == '%') {
522 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
523 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
524 ptr += 2;
525 }
526 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
527 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
528 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
529 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
530 ptr += 5;
531 }
532 else
533 ret[len] = *ptr;
534 }
535 else
536 ret[len] = *ptr;
537
538 len++;
539 }
540
541 jsstr_release(str);
542
543 if(r)
544 *r = jsval_string(ret_str);
545 else
546 jsstr_release(ret_str);
547 return S_OK;
548 }
549
550 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
551 jsval_t *r)
552 {
553 FIXME("\n");
554 return E_NOTIMPL;
555 }
556
557 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
558 jsval_t *r)
559 {
560 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
561
562 TRACE("\n");
563
564 if(r) {
565 jsstr_t *ret;
566
567 ret = jsstr_alloc(JScriptW);
568 if(!ret)
569 return E_OUTOFMEMORY;
570
571 *r = jsval_string(ret);
572 }
573
574 return S_OK;
575 }
576
577 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
578 jsval_t *r)
579 {
580 TRACE("\n");
581
582 if(r)
583 *r = jsval_number(JSCRIPT_MAJOR_VERSION);
584 return S_OK;
585 }
586
587 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
588 jsval_t *r)
589 {
590 TRACE("\n");
591
592 if(r)
593 *r = jsval_number(JSCRIPT_MINOR_VERSION);
594 return S_OK;
595 }
596
597 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
598 jsval_t *r)
599 {
600 TRACE("\n");
601
602 if(r)
603 *r = jsval_number(JSCRIPT_BUILD_VERSION);
604 return S_OK;
605 }
606
607 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
608 jsval_t *r)
609 {
610 static int once = 0;
611 if (!once++)
612 FIXME(": stub\n");
613 return S_OK;
614 }
615
616 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
617 jsval_t *r)
618 {
619 const WCHAR *ptr, *uri;
620 jsstr_t *str, *ret;
621 DWORD len = 0, i;
622 char buf[4];
623 WCHAR *rptr;
624 HRESULT hres;
625
626 TRACE("\n");
627
628 if(!argc) {
629 if(r)
630 *r = jsval_string(jsstr_undefined());
631 return S_OK;
632 }
633
634 hres = to_flat_string(ctx, argv[0], &str, &uri);
635 if(FAILED(hres))
636 return hres;
637
638 for(ptr = uri; *ptr; ptr++) {
639 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
640 len++;
641 }else {
642 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
643 if(!i) {
644 jsstr_release(str);
645 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
646 }
647
648 len += i;
649 }
650 }
651
652 ret = jsstr_alloc_buf(len, &rptr);
653 if(!ret) {
654 jsstr_release(str);
655 return E_OUTOFMEMORY;
656 }
657
658 for(ptr = uri; *ptr; ptr++) {
659 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
660 *rptr++ = *ptr;
661 }else {
662 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
663 for(i=0; i<len; i++) {
664 *rptr++ = '%';
665 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
666 *rptr++ = int_to_char(buf[i] & 0x0f);
667 }
668 }
669 }
670
671 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
672 jsstr_release(str);
673
674 if(r)
675 *r = jsval_string(ret);
676 else
677 jsstr_release(ret);
678 return S_OK;
679 }
680
681 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
682 jsval_t *r)
683 {
684 const WCHAR *ptr, *uri;
685 jsstr_t *str, *ret_str;
686 unsigned len = 0;
687 int i, val, res;
688 WCHAR *ret;
689 char buf[4];
690 WCHAR out;
691 HRESULT hres;
692
693 TRACE("\n");
694
695 if(!argc) {
696 if(r)
697 *r = jsval_string(jsstr_undefined());
698 return S_OK;
699 }
700
701 hres = to_flat_string(ctx, argv[0], &str, &uri);
702 if(FAILED(hres))
703 return hres;
704
705 for(ptr = uri; *ptr; ptr++) {
706 if(*ptr != '%') {
707 len++;
708 }else {
709 res = 0;
710 for(i=0; i<4; i++) {
711 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
712 break;
713 val += hex_to_int(ptr[i*3+1])<<4;
714 buf[i] = val;
715
716 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
717 if(res)
718 break;
719 }
720
721 if(!res) {
722 jsstr_release(str);
723 return throw_uri_error(ctx, JS_E_INVALID_URI_CODING, NULL);
724 }
725
726 ptr += i*3+2;
727 len++;
728 }
729 }
730
731 ret_str = jsstr_alloc_buf(len, &ret);
732 if(!ret_str) {
733 jsstr_release(str);
734 return E_OUTOFMEMORY;
735 }
736
737 for(ptr = uri; *ptr; ptr++) {
738 if(*ptr != '%') {
739 *ret++ = *ptr;
740 }else {
741 for(i=0; i<4; i++) {
742 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
743 break;
744 val += hex_to_int(ptr[i*3+1])<<4;
745 buf[i] = val;
746
747 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret, 1);
748 if(res)
749 break;
750 }
751
752 ptr += i*3+2;
753 ret++;
754 }
755 }
756
757 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret_str));
758 jsstr_release(str);
759
760 if(r)
761 *r = jsval_string(ret_str);
762 else
763 jsstr_release(ret_str);
764 return S_OK;
765 }
766
767 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
768 jsval_t *r)
769 {
770 jsstr_t *str, *ret_str;
771 char buf[4];
772 const WCHAR *ptr, *uri;
773 DWORD len = 0, size, i;
774 WCHAR *ret;
775 HRESULT hres;
776
777 TRACE("\n");
778
779 if(!argc) {
780 if(r)
781 *r = jsval_string(jsstr_undefined());
782 return S_OK;
783 }
784
785 hres = to_flat_string(ctx, argv[0], &str, &uri);
786 if(FAILED(hres))
787 return hres;
788
789 for(ptr = uri; *ptr; ptr++) {
790 if(is_uri_unescaped(*ptr))
791 len++;
792 else {
793 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
794 if(!size) {
795 jsstr_release(str);
796 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
797 }
798 len += size*3;
799 }
800 }
801
802 ret_str = jsstr_alloc_buf(len, &ret);
803 if(!ret_str) {
804 jsstr_release(str);
805 return E_OUTOFMEMORY;
806 }
807
808 for(ptr = uri; *ptr; ptr++) {
809 if(is_uri_unescaped(*ptr)) {
810 *ret++ = *ptr;
811 }else {
812 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
813 for(i=0; i<size; i++) {
814 *ret++ = '%';
815 *ret++ = int_to_char((BYTE)buf[i] >> 4);
816 *ret++ = int_to_char(buf[i] & 0x0f);
817 }
818 }
819 }
820
821 jsstr_release(str);
822
823 if(r)
824 *r = jsval_string(ret_str);
825 else
826 jsstr_release(ret_str);
827 return S_OK;
828 }
829
830 /* ECMA-262 3rd Edition 15.1.3.2 */
831 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
832 jsval_t *r)
833 {
834 const WCHAR *ptr, *uri;
835 jsstr_t *str, *ret;
836 WCHAR *out_ptr;
837 DWORD len = 0;
838 HRESULT hres;
839
840 TRACE("\n");
841
842 if(!argc) {
843 if(r)
844 *r = jsval_string(jsstr_undefined());
845 return S_OK;
846 }
847
848 hres = to_flat_string(ctx, argv[0], &str, &uri);
849 if(FAILED(hres))
850 return hres;
851
852 ptr = uri;
853 while(*ptr) {
854 if(*ptr == '%') {
855 char octets[4];
856 unsigned char mask = 0x80;
857 int i, size, num_bytes = 0;
858 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
859 FIXME("Throw URIError: Invalid hex sequence\n");
860 jsstr_release(str);
861 return E_FAIL;
862 }
863 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
864 ptr += 3;
865 while(octets[0] & mask) {
866 mask = mask >> 1;
867 ++num_bytes;
868 }
869 if(num_bytes == 1 || num_bytes > 4) {
870 FIXME("Throw URIError: Invalid initial UTF character\n");
871 jsstr_release(str);
872 return E_FAIL;
873 }
874 for(i = 1; i < num_bytes; ++i) {
875 if(*ptr != '%'){
876 FIXME("Throw URIError: Incomplete UTF sequence\n");
877 jsstr_release(str);
878 return E_FAIL;
879 }
880 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
881 FIXME("Throw URIError: Invalid hex sequence\n");
882 jsstr_release(str);
883 return E_FAIL;
884 }
885 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
886 ptr += 3;
887 }
888 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
889 num_bytes ? num_bytes : 1, NULL, 0);
890 if(size == 0) {
891 FIXME("Throw URIError: Invalid UTF sequence\n");
892 jsstr_release(str);
893 return E_FAIL;
894 }
895 len += size;
896 }else {
897 ++ptr;
898 ++len;
899 }
900 }
901
902 ret = jsstr_alloc_buf(len, &out_ptr);
903 if(!ret) {
904 jsstr_release(str);
905 return E_OUTOFMEMORY;
906 }
907
908 ptr = uri;
909 while(*ptr) {
910 if(*ptr == '%') {
911 char octets[4];
912 unsigned char mask = 0x80;
913 int i, size, num_bytes = 0;
914 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
915 ptr += 3;
916 while(octets[0] & mask) {
917 mask = mask >> 1;
918 ++num_bytes;
919 }
920 for(i = 1; i < num_bytes; ++i) {
921 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
922 ptr += 3;
923 }
924 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
925 num_bytes ? num_bytes : 1, out_ptr, len);
926 len -= size;
927 out_ptr += size;
928 }else {
929 *out_ptr++ = *ptr++;
930 --len;
931 }
932 }
933
934 jsstr_release(str);
935
936 if(r)
937 *r = jsval_string(ret);
938 else
939 jsstr_release(ret);
940 return S_OK;
941 }
942
943 static const builtin_prop_t JSGlobal_props[] = {
944 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
945 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
946 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
947 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
948 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
949 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
950 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
951 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
952 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
953 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
954 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
955 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
956 {evalW, JSGlobal_eval, PROPF_METHOD|1},
957 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
958 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
959 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
960 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
961 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
962 };
963
964 static const builtin_info_t JSGlobal_info = {
965 JSCLASS_GLOBAL,
966 {NULL, NULL, 0},
967 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
968 JSGlobal_props,
969 NULL,
970 NULL
971 };
972
973 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
974 {
975 HRESULT hres;
976
977 hres = init_function_constr(ctx, object_prototype);
978 if(FAILED(hres))
979 return hres;
980
981 hres = jsdisp_define_data_property(ctx->global, FunctionW, PROPF_WRITABLE,
982 jsval_obj(ctx->function_constr));
983 if(FAILED(hres))
984 return hres;
985
986 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
987 if(FAILED(hres))
988 return hres;
989
990 hres = jsdisp_define_data_property(ctx->global, ObjectW, PROPF_WRITABLE,
991 jsval_obj(ctx->object_constr));
992 if(FAILED(hres))
993 return hres;
994
995 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
996 if(FAILED(hres))
997 return hres;
998
999 hres = jsdisp_define_data_property(ctx->global, ArrayW, PROPF_WRITABLE,
1000 jsval_obj(ctx->array_constr));
1001 if(FAILED(hres))
1002 return hres;
1003
1004 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1005 if(FAILED(hres))
1006 return hres;
1007
1008 hres = jsdisp_define_data_property(ctx->global, BooleanW, PROPF_WRITABLE,
1009 jsval_obj(ctx->bool_constr));
1010 if(FAILED(hres))
1011 return hres;
1012
1013 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1014 if(FAILED(hres))
1015 return hres;
1016
1017 hres = jsdisp_define_data_property(ctx->global, DateW, PROPF_WRITABLE,
1018 jsval_obj(ctx->date_constr));
1019 if(FAILED(hres))
1020 return hres;
1021
1022 hres = init_error_constr(ctx, object_prototype);
1023 if(FAILED(hres))
1024 return hres;
1025
1026 hres = jsdisp_define_data_property(ctx->global, ErrorW, PROPF_WRITABLE,
1027 jsval_obj(ctx->error_constr));
1028 if(FAILED(hres))
1029 return hres;
1030
1031 hres = jsdisp_define_data_property(ctx->global, EvalErrorW, PROPF_WRITABLE,
1032 jsval_obj(ctx->eval_error_constr));
1033 if(FAILED(hres))
1034 return hres;
1035
1036 hres = jsdisp_define_data_property(ctx->global, RangeErrorW, PROPF_WRITABLE,
1037 jsval_obj(ctx->range_error_constr));
1038 if(FAILED(hres))
1039 return hres;
1040
1041 hres = jsdisp_define_data_property(ctx->global, ReferenceErrorW, PROPF_WRITABLE,
1042 jsval_obj(ctx->reference_error_constr));
1043 if(FAILED(hres))
1044 return hres;
1045
1046 hres = jsdisp_define_data_property(ctx->global, RegExpErrorW, PROPF_WRITABLE,
1047 jsval_obj(ctx->regexp_error_constr));
1048 if(FAILED(hres))
1049 return hres;
1050
1051 hres = jsdisp_define_data_property(ctx->global, SyntaxErrorW, PROPF_WRITABLE,
1052 jsval_obj(ctx->syntax_error_constr));
1053 if(FAILED(hres))
1054 return hres;
1055
1056 hres = jsdisp_define_data_property(ctx->global, TypeErrorW, PROPF_WRITABLE,
1057 jsval_obj(ctx->type_error_constr));
1058 if(FAILED(hres))
1059 return hres;
1060
1061 hres = jsdisp_define_data_property(ctx->global, URIErrorW, PROPF_WRITABLE,
1062 jsval_obj(ctx->uri_error_constr));
1063 if(FAILED(hres))
1064 return hres;
1065
1066 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1067 if(FAILED(hres))
1068 return hres;
1069
1070 hres = jsdisp_define_data_property(ctx->global, NumberW, PROPF_WRITABLE,
1071 jsval_obj(ctx->number_constr));
1072 if(FAILED(hres))
1073 return hres;
1074
1075 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1076 if(FAILED(hres))
1077 return hres;
1078
1079 hres = jsdisp_define_data_property(ctx->global, RegExpW, PROPF_WRITABLE,
1080 jsval_obj(ctx->regexp_constr));
1081 if(FAILED(hres))
1082 return hres;
1083
1084 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1085 if(FAILED(hres))
1086 return hres;
1087
1088 hres = jsdisp_define_data_property(ctx->global, StringW, PROPF_WRITABLE,
1089 jsval_obj(ctx->string_constr));
1090 if(FAILED(hres))
1091 return hres;
1092
1093 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1094 if(FAILED(hres))
1095 return hres;
1096
1097 hres = jsdisp_define_data_property(ctx->global, VBArrayW, PROPF_WRITABLE,
1098 jsval_obj(ctx->vbarray_constr));
1099 if(FAILED(hres))
1100 return hres;
1101
1102 return S_OK;
1103 }
1104
1105 HRESULT init_global(script_ctx_t *ctx)
1106 {
1107 unsigned const_flags = ctx->version >= SCRIPTLANGUAGEVERSION_ES5 ? 0 : PROPF_WRITABLE;
1108 jsdisp_t *math, *object_prototype, *constr;
1109 HRESULT hres;
1110
1111 if(ctx->global)
1112 return S_OK;
1113
1114 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1115 if(FAILED(hres))
1116 return hres;
1117
1118 hres = create_object_prototype(ctx, &object_prototype);
1119 if(FAILED(hres))
1120 return hres;
1121
1122 hres = init_constructors(ctx, object_prototype);
1123 jsdisp_release(object_prototype);
1124 if(FAILED(hres))
1125 return hres;
1126
1127 hres = create_math(ctx, &math);
1128 if(FAILED(hres))
1129 return hres;
1130
1131 hres = jsdisp_define_data_property(ctx->global, MathW, PROPF_WRITABLE, jsval_obj(math));
1132 jsdisp_release(math);
1133 if(FAILED(hres))
1134 return hres;
1135
1136 if(ctx->version >= 2) {
1137 jsdisp_t *json;
1138
1139 hres = create_json(ctx, &json);
1140 if(FAILED(hres))
1141 return hres;
1142
1143 hres = jsdisp_define_data_property(ctx->global, JSONW, PROPF_WRITABLE, jsval_obj(json));
1144 jsdisp_release(json);
1145 if(FAILED(hres))
1146 return hres;
1147 }
1148
1149 hres = create_activex_constr(ctx, &constr);
1150 if(FAILED(hres))
1151 return hres;
1152
1153 hres = jsdisp_define_data_property(ctx->global, ActiveXObjectW, PROPF_WRITABLE,
1154 jsval_obj(constr));
1155 jsdisp_release(constr);
1156 if(FAILED(hres))
1157 return hres;
1158
1159 hres = jsdisp_define_data_property(ctx->global, undefinedW, const_flags, jsval_undefined());
1160 if(FAILED(hres))
1161 return hres;
1162
1163 hres = jsdisp_define_data_property(ctx->global, NaNW, const_flags, jsval_number(NAN));
1164 if(FAILED(hres))
1165 return hres;
1166
1167 hres = jsdisp_define_data_property(ctx->global, InfinityW, const_flags, jsval_number(INFINITY));
1168 return hres;
1169 }
Windows API implementation