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usp10/tests: A spelling fix in an ok() message.
[wine.git] / dlls / jscript / global.c
blob33e641530eb835ef4eaf0237a823428bc0b80698
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
20 #include <math.h>
21 #include <limits.h>
22
23 #include "jscript.h"
24 #include "engine.h"
25
26 #include "wine/debug.h"
27
28 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
29
30 static const WCHAR NaNW[] = {'N','a','N',0};
31 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
32 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
33 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
34 static const WCHAR DateW[] = {'D','a','t','e',0};
35 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
36 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
37 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
38 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
39 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
40 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
41 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
42 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
43 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
44 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
45 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
46 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
47 static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
48 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
49 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
50 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
51 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
52 static const WCHAR evalW[] = {'e','v','a','l',0};
53 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
54 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
55 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
56 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
57 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
58 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
59 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
60 static const WCHAR ScriptEngineMajorVersionW[] =
61 {'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};
62 static const WCHAR ScriptEngineMinorVersionW[] =
63 {'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};
64 static const WCHAR ScriptEngineBuildVersionW[] =
65 {'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};
66 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
67 static const WCHAR MathW[] = {'M','a','t','h',0};
68 static const WCHAR JSONW[] = {'J','S','O','N',0};
69 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
70 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
71 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
72 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
73
74 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
75
76 static int uri_char_table[] = {
77 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
78 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
79 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
80 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
81 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
82 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
83 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
84 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
85 };
86
87 /* 1 - reserved */
88 /* 2 - unescaped */
89
90 static inline BOOL is_uri_reserved(WCHAR c)
91 {
92 return c < 128 && uri_char_table[c] == 1;
93 }
94
95 static inline BOOL is_uri_unescaped(WCHAR c)
96 {
97 return c < 128 && uri_char_table[c] == 2;
98 }
99
100 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
101 static inline BOOL is_ecma_nonblank(const WCHAR c)
102 {
103 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
104 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
105 }
106
107 static WCHAR int_to_char(int i)
108 {
109 if(i < 10)
110 return '0'+i;
111 return 'A'+i-10;
112 }
113
114 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
115 jsval_t *r)
116 {
117 jsstr_t *ret_str, *str;
118 const WCHAR *ptr, *buf;
119 DWORD len = 0;
120 WCHAR *ret;
121 HRESULT hres;
122
123 TRACE("\n");
124
125 if(!argc) {
126 if(r)
127 *r = jsval_string(jsstr_undefined());
128 return S_OK;
129 }
130
131 hres = to_flat_string(ctx, argv[0], &str, &buf);
132 if(FAILED(hres))
133 return hres;
134
135 for(ptr = buf; *ptr; ptr++) {
136 if(*ptr > 0xff)
137 len += 6;
138 else if(is_ecma_nonblank(*ptr))
139 len++;
140 else
141 len += 3;
142 }
143
144 ret_str = jsstr_alloc_buf(len, &ret);
145 if(!ret_str) {
146 jsstr_release(str);
147 return E_OUTOFMEMORY;
148 }
149
150 len = 0;
151 for(ptr = buf; *ptr; ptr++) {
152 if(*ptr > 0xff) {
153 ret[len++] = '%';
154 ret[len++] = 'u';
155 ret[len++] = int_to_char(*ptr >> 12);
156 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
157 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
158 ret[len++] = int_to_char(*ptr & 0xf);
159 }
160 else if(is_ecma_nonblank(*ptr))
161 ret[len++] = *ptr;
162 else {
163 ret[len++] = '%';
164 ret[len++] = int_to_char(*ptr >> 4);
165 ret[len++] = int_to_char(*ptr & 0xf);
166 }
167 }
168
169 jsstr_release(str);
170
171 if(r)
172 *r = jsval_string(ret_str);
173 else
174 jsstr_release(ret_str);
175 return S_OK;
176 }
177
178 /* ECMA-262 3rd Edition 15.1.2.1 */
179 HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
180 jsval_t *r)
181 {
182 call_frame_t *frame = ctx->call_ctx;
183 DWORD exec_flags = EXEC_EVAL;
184 bytecode_t *code;
185 const WCHAR *src;
186 HRESULT hres;
187
188 TRACE("\n");
189
190 if(!argc) {
191 if(r)
192 *r = jsval_undefined();
193 return S_OK;
194 }
195
196 if(!is_string(argv[0])) {
197 if(r)
198 return jsval_copy(argv[0], r);
199 return S_OK;
200 }
201
202 src = jsstr_flatten(get_string(argv[0]));
203 if(!src)
204 return E_OUTOFMEMORY;
205
206 TRACE("parsing %s\n", debugstr_jsval(argv[0]));
207 hres = compile_script(ctx, src, NULL, NULL, TRUE, FALSE, &code);
208 if(FAILED(hres)) {
209 WARN("parse (%s) failed: %08x\n", debugstr_jsval(argv[0]), hres);
210 return throw_syntax_error(ctx, hres, NULL);
211 }
212
213 if(!frame || (frame->flags & EXEC_GLOBAL))
214 exec_flags |= EXEC_GLOBAL;
215 if(flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE)
216 exec_flags |= EXEC_RETURN_TO_INTERP;
217 hres = exec_source(ctx, exec_flags, code, &code->global_code, frame ? frame->scope : NULL,
218 frame ? frame->this_obj : NULL, NULL, frame ? frame->variable_obj : ctx->global, 0, NULL, r);
219 release_bytecode(code);
220 return hres;
221 }
222
223 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
224 jsval_t *r)
225 {
226 BOOL ret = TRUE;
227 double n;
228 HRESULT hres;
229
230 TRACE("\n");
231
232 if(argc) {
233 hres = to_number(ctx, argv[0], &n);
234 if(FAILED(hres))
235 return hres;
236
237 if(!isnan(n))
238 ret = FALSE;
239 }
240
241 if(r)
242 *r = jsval_bool(ret);
243 return S_OK;
244 }
245
246 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
247 jsval_t *r)
248 {
249 BOOL ret = FALSE;
250 HRESULT hres;
251
252 TRACE("\n");
253
254 if(argc) {
255 double n;
256
257 hres = to_number(ctx, argv[0], &n);
258 if(FAILED(hres))
259 return hres;
260
261 ret = is_finite(n);
262 }
263
264 if(r)
265 *r = jsval_bool(ret);
266 return S_OK;
267 }
268
269 static INT char_to_int(WCHAR c)
270 {
271 if('0' <= c && c <= '9')
272 return c - '0';
273 if('a' <= c && c <= 'z')
274 return c - 'a' + 10;
275 if('A' <= c && c <= 'Z')
276 return c - 'A' + 10;
277 return 100;
278 }
279
280 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
281 jsval_t *r)
282 {
283 BOOL neg = FALSE, empty = TRUE;
284 const WCHAR *ptr;
285 DOUBLE ret = 0.0;
286 INT radix=0, i;
287 jsstr_t *str;
288 HRESULT hres;
289
290 if(!argc) {
291 if(r)
292 *r = jsval_number(NAN);
293 return S_OK;
294 }
295
296 if(argc >= 2) {
297 hres = to_int32(ctx, argv[1], &radix);
298 if(FAILED(hres))
299 return hres;
300
301 if(radix && (radix < 2 || radix > 36)) {
302 WARN("radix %d out of range\n", radix);
303 if(r)
304 *r = jsval_number(NAN);
305 return S_OK;
306 }
307 }
308
309 hres = to_flat_string(ctx, argv[0], &str, &ptr);
310 if(FAILED(hres))
311 return hres;
312
313 while(iswspace(*ptr))
314 ptr++;
315
316 switch(*ptr) {
317 case '+':
318 ptr++;
319 break;
320 case '-':
321 neg = TRUE;
322 ptr++;
323 break;
324 }
325
326 if(!radix) {
327 if(*ptr == '0') {
328 if(ptr[1] == 'x' || ptr[1] == 'X') {
329 radix = 16;
330 ptr += 2;
331 }else {
332 radix = 8;
333 ptr++;
334 empty = FALSE;
335 }
336 }else {
337 radix = 10;
338 }
339 }else if(radix == 16 && *ptr == '0' && (ptr[1] == 'x' || ptr[1] == 'X')) {
340 ptr += 2;
341 }
342
343 i = char_to_int(*ptr++);
344 if(i < radix) {
345 do {
346 ret = ret*radix + i;
347 i = char_to_int(*ptr++);
348 }while(i < radix);
349 }else if(empty) {
350 ret = NAN;
351 }
352
353 jsstr_release(str);
354
355 if(neg)
356 ret = -ret;
357
358 if(r)
359 *r = jsval_number(ret);
360 return S_OK;
361 }
362
363 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
364 jsval_t *r)
365 {
366 LONGLONG d = 0, hlp;
367 jsstr_t *val_str;
368 int exp = 0;
369 const WCHAR *str;
370 BOOL ret_nan = TRUE, positive = TRUE;
371 HRESULT hres;
372
373 if(!argc) {
374 if(r)
375 *r = jsval_number(NAN);
376 return S_OK;
377 }
378
379 hres = to_flat_string(ctx, argv[0], &val_str, &str);
380 if(FAILED(hres))
381 return hres;
382
383 while(iswspace(*str)) str++;
384
385 if(*str == '+')
386 str++;
387 else if(*str == '-') {
388 positive = FALSE;
389 str++;
390 }
391
392 if(iswdigit(*str))
393 ret_nan = FALSE;
394
395 while(iswdigit(*str)) {
396 hlp = d*10 + *(str++) - '0';
397 if(d>MAXLONGLONG/10 || hlp<0) {
398 exp++;
399 break;
400 }
401 else
402 d = hlp;
403 }
404 while(iswdigit(*str)) {
405 exp++;
406 str++;
407 }
408
409 if(*str == '.') str++;
410
411 if(iswdigit(*str))
412 ret_nan = FALSE;
413
414 while(iswdigit(*str)) {
415 hlp = d*10 + *(str++) - '0';
416 if(d>MAXLONGLONG/10 || hlp<0)
417 break;
418
419 d = hlp;
420 exp--;
421 }
422 while(iswdigit(*str))
423 str++;
424
425 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
426 int sign = 1, e = 0;
427
428 str++;
429 if(*str == '+')
430 str++;
431 else if(*str == '-') {
432 sign = -1;
433 str++;
434 }
435
436 while(iswdigit(*str)) {
437 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
438 e = INT_MAX;
439 }
440 e *= sign;
441
442 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
443 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
444 else exp += e;
445 }
446
447 jsstr_release(val_str);
448
449 if(ret_nan) {
450 if(r)
451 *r = jsval_number(NAN);
452 return S_OK;
453 }
454
455 if(!positive)
456 d = -d;
457 if(r)
458 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
459 return S_OK;
460 }
461
462 static inline int hex_to_int(const WCHAR wch) {
463 if(towupper(wch)>='A' && towupper(wch)<='F') return towupper(wch)-'A'+10;
464 if(iswdigit(wch)) return wch-'0';
465 return -1;
466 }
467
468 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
469 jsval_t *r)
470 {
471 jsstr_t *ret_str, *str;
472 const WCHAR *ptr, *buf;
473 DWORD len = 0;
474 WCHAR *ret;
475 HRESULT hres;
476
477 TRACE("\n");
478
479 if(!argc) {
480 if(r)
481 *r = jsval_string(jsstr_undefined());
482 return S_OK;
483 }
484
485 hres = to_flat_string(ctx, argv[0], &str, &buf);
486 if(FAILED(hres))
487 return hres;
488
489 for(ptr = buf; *ptr; ptr++) {
490 if(*ptr == '%') {
491 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
492 ptr += 2;
493 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
494 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
495 ptr += 5;
496 }
497
498 len++;
499 }
500
501 ret_str = jsstr_alloc_buf(len, &ret);
502 if(!ret_str) {
503 jsstr_release(str);
504 return E_OUTOFMEMORY;
505 }
506
507 len = 0;
508 for(ptr = buf; *ptr; ptr++) {
509 if(*ptr == '%') {
510 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
511 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
512 ptr += 2;
513 }
514 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
515 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
516 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
517 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
518 ptr += 5;
519 }
520 else
521 ret[len] = *ptr;
522 }
523 else
524 ret[len] = *ptr;
525
526 len++;
527 }
528
529 jsstr_release(str);
530
531 if(r)
532 *r = jsval_string(ret_str);
533 else
534 jsstr_release(ret_str);
535 return S_OK;
536 }
537
538 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
539 jsval_t *r)
540 {
541 FIXME("\n");
542 return E_NOTIMPL;
543 }
544
545 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
546 jsval_t *r)
547 {
548 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
549
550 TRACE("\n");
551
552 if(r) {
553 jsstr_t *ret;
554
555 ret = jsstr_alloc(JScriptW);
556 if(!ret)
557 return E_OUTOFMEMORY;
558
559 *r = jsval_string(ret);
560 }
561
562 return S_OK;
563 }
564
565 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
566 jsval_t *r)
567 {
568 TRACE("\n");
569
570 if(r)
571 *r = jsval_number(JSCRIPT_MAJOR_VERSION);
572 return S_OK;
573 }
574
575 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
576 jsval_t *r)
577 {
578 TRACE("\n");
579
580 if(r)
581 *r = jsval_number(JSCRIPT_MINOR_VERSION);
582 return S_OK;
583 }
584
585 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
586 jsval_t *r)
587 {
588 TRACE("\n");
589
590 if(r)
591 *r = jsval_number(JSCRIPT_BUILD_VERSION);
592 return S_OK;
593 }
594
595 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
596 jsval_t *r)
597 {
598 static int once = 0;
599 if (!once++)
600 FIXME(": stub\n");
601 return S_OK;
602 }
603
604 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
605 jsval_t *r)
606 {
607 const WCHAR *ptr, *uri;
608 jsstr_t *str, *ret;
609 DWORD len = 0, i;
610 char buf[4];
611 WCHAR *rptr;
612 HRESULT hres;
613
614 TRACE("\n");
615
616 if(!argc) {
617 if(r)
618 *r = jsval_string(jsstr_undefined());
619 return S_OK;
620 }
621
622 hres = to_flat_string(ctx, argv[0], &str, &uri);
623 if(FAILED(hres))
624 return hres;
625
626 for(ptr = uri; *ptr; ptr++) {
627 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
628 len++;
629 }else {
630 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
631 if(!i) {
632 jsstr_release(str);
633 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
634 }
635
636 len += i;
637 }
638 }
639
640 ret = jsstr_alloc_buf(len, &rptr);
641 if(!ret) {
642 jsstr_release(str);
643 return E_OUTOFMEMORY;
644 }
645
646 for(ptr = uri; *ptr; ptr++) {
647 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
648 *rptr++ = *ptr;
649 }else {
650 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
651 for(i=0; i<len; i++) {
652 *rptr++ = '%';
653 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
654 *rptr++ = int_to_char(buf[i] & 0x0f);
655 }
656 }
657 }
658
659 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
660 jsstr_release(str);
661
662 if(r)
663 *r = jsval_string(ret);
664 else
665 jsstr_release(ret);
666 return S_OK;
667 }
668
669 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
670 jsval_t *r)
671 {
672 const WCHAR *ptr, *uri;
673 jsstr_t *str, *ret_str;
674 unsigned len = 0;
675 int i, val, res;
676 WCHAR *ret;
677 char buf[4];
678 WCHAR out;
679 HRESULT hres;
680
681 TRACE("\n");
682
683 if(!argc) {
684 if(r)
685 *r = jsval_string(jsstr_undefined());
686 return S_OK;
687 }
688
689 hres = to_flat_string(ctx, argv[0], &str, &uri);
690 if(FAILED(hres))
691 return hres;
692
693 for(ptr = uri; *ptr; ptr++) {
694 if(*ptr != '%') {
695 len++;
696 }else {
697 res = 0;
698 for(i=0; i<4; i++) {
699 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
700 break;
701 val += hex_to_int(ptr[i*3+1])<<4;
702 buf[i] = val;
703
704 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
705 if(res)
706 break;
707 }
708
709 if(!res) {
710 jsstr_release(str);
711 return throw_uri_error(ctx, JS_E_INVALID_URI_CODING, NULL);
712 }
713
714 ptr += i*3+2;
715 len++;
716 }
717 }
718
719 ret_str = jsstr_alloc_buf(len, &ret);
720 if(!ret_str) {
721 jsstr_release(str);
722 return E_OUTOFMEMORY;
723 }
724
725 for(ptr = uri; *ptr; ptr++) {
726 if(*ptr != '%') {
727 *ret++ = *ptr;
728 }else {
729 for(i=0; i<4; i++) {
730 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
731 break;
732 val += hex_to_int(ptr[i*3+1])<<4;
733 buf[i] = val;
734
735 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret, 1);
736 if(res)
737 break;
738 }
739
740 ptr += i*3+2;
741 ret++;
742 }
743 }
744
745 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret_str));
746 jsstr_release(str);
747
748 if(r)
749 *r = jsval_string(ret_str);
750 else
751 jsstr_release(ret_str);
752 return S_OK;
753 }
754
755 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
756 jsval_t *r)
757 {
758 jsstr_t *str, *ret_str;
759 char buf[4];
760 const WCHAR *ptr, *uri;
761 DWORD len = 0, size, i;
762 WCHAR *ret;
763 HRESULT hres;
764
765 TRACE("\n");
766
767 if(!argc) {
768 if(r)
769 *r = jsval_string(jsstr_undefined());
770 return S_OK;
771 }
772
773 hres = to_flat_string(ctx, argv[0], &str, &uri);
774 if(FAILED(hres))
775 return hres;
776
777 for(ptr = uri; *ptr; ptr++) {
778 if(is_uri_unescaped(*ptr))
779 len++;
780 else {
781 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
782 if(!size) {
783 jsstr_release(str);
784 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
785 }
786 len += size*3;
787 }
788 }
789
790 ret_str = jsstr_alloc_buf(len, &ret);
791 if(!ret_str) {
792 jsstr_release(str);
793 return E_OUTOFMEMORY;
794 }
795
796 for(ptr = uri; *ptr; ptr++) {
797 if(is_uri_unescaped(*ptr)) {
798 *ret++ = *ptr;
799 }else {
800 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
801 for(i=0; i<size; i++) {
802 *ret++ = '%';
803 *ret++ = int_to_char((BYTE)buf[i] >> 4);
804 *ret++ = int_to_char(buf[i] & 0x0f);
805 }
806 }
807 }
808
809 jsstr_release(str);
810
811 if(r)
812 *r = jsval_string(ret_str);
813 else
814 jsstr_release(ret_str);
815 return S_OK;
816 }
817
818 /* ECMA-262 3rd Edition 15.1.3.2 */
819 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
820 jsval_t *r)
821 {
822 const WCHAR *ptr, *uri;
823 jsstr_t *str, *ret;
824 WCHAR *out_ptr;
825 DWORD len = 0;
826 HRESULT hres;
827
828 TRACE("\n");
829
830 if(!argc) {
831 if(r)
832 *r = jsval_string(jsstr_undefined());
833 return S_OK;
834 }
835
836 hres = to_flat_string(ctx, argv[0], &str, &uri);
837 if(FAILED(hres))
838 return hres;
839
840 ptr = uri;
841 while(*ptr) {
842 if(*ptr == '%') {
843 char octets[4];
844 unsigned char mask = 0x80;
845 int i, size, num_bytes = 0;
846 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
847 FIXME("Throw URIError: Invalid hex sequence\n");
848 jsstr_release(str);
849 return E_FAIL;
850 }
851 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
852 ptr += 3;
853 while(octets[0] & mask) {
854 mask = mask >> 1;
855 ++num_bytes;
856 }
857 if(num_bytes == 1 || num_bytes > 4) {
858 FIXME("Throw URIError: Invalid initial UTF character\n");
859 jsstr_release(str);
860 return E_FAIL;
861 }
862 for(i = 1; i < num_bytes; ++i) {
863 if(*ptr != '%'){
864 FIXME("Throw URIError: Incomplete UTF sequence\n");
865 jsstr_release(str);
866 return E_FAIL;
867 }
868 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
869 FIXME("Throw URIError: Invalid hex sequence\n");
870 jsstr_release(str);
871 return E_FAIL;
872 }
873 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
874 ptr += 3;
875 }
876 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
877 num_bytes ? num_bytes : 1, NULL, 0);
878 if(size == 0) {
879 FIXME("Throw URIError: Invalid UTF sequence\n");
880 jsstr_release(str);
881 return E_FAIL;
882 }
883 len += size;
884 }else {
885 ++ptr;
886 ++len;
887 }
888 }
889
890 ret = jsstr_alloc_buf(len, &out_ptr);
891 if(!ret) {
892 jsstr_release(str);
893 return E_OUTOFMEMORY;
894 }
895
896 ptr = uri;
897 while(*ptr) {
898 if(*ptr == '%') {
899 char octets[4];
900 unsigned char mask = 0x80;
901 int i, size, num_bytes = 0;
902 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
903 ptr += 3;
904 while(octets[0] & mask) {
905 mask = mask >> 1;
906 ++num_bytes;
907 }
908 for(i = 1; i < num_bytes; ++i) {
909 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
910 ptr += 3;
911 }
912 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
913 num_bytes ? num_bytes : 1, out_ptr, len);
914 len -= size;
915 out_ptr += size;
916 }else {
917 *out_ptr++ = *ptr++;
918 --len;
919 }
920 }
921
922 jsstr_release(str);
923
924 if(r)
925 *r = jsval_string(ret);
926 else
927 jsstr_release(ret);
928 return S_OK;
929 }
930
931 static const builtin_prop_t JSGlobal_props[] = {
932 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
933 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
934 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
935 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
936 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
937 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
938 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
939 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
940 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
941 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
942 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
943 {evalW, JSGlobal_eval, PROPF_METHOD|1},
944 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
945 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
946 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
947 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
948 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
949 };
950
951 static const builtin_info_t JSGlobal_info = {
952 JSCLASS_GLOBAL,
953 {NULL, NULL, 0},
954 ARRAY_SIZE(JSGlobal_props),
955 JSGlobal_props,
956 NULL,
957 NULL
958 };
959
960 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
961 {
962 HRESULT hres;
963
964 hres = init_function_constr(ctx, object_prototype);
965 if(FAILED(hres))
966 return hres;
967
968 hres = jsdisp_define_data_property(ctx->global, FunctionW, PROPF_WRITABLE,
969 jsval_obj(ctx->function_constr));
970 if(FAILED(hres))
971 return hres;
972
973 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
974 if(FAILED(hres))
975 return hres;
976
977 hres = jsdisp_define_data_property(ctx->global, ObjectW, PROPF_WRITABLE,
978 jsval_obj(ctx->object_constr));
979 if(FAILED(hres))
980 return hres;
981
982 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
983 if(FAILED(hres))
984 return hres;
985
986 hres = jsdisp_define_data_property(ctx->global, ArrayW, PROPF_WRITABLE,
987 jsval_obj(ctx->array_constr));
988 if(FAILED(hres))
989 return hres;
990
991 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
992 if(FAILED(hres))
993 return hres;
994
995 hres = jsdisp_define_data_property(ctx->global, BooleanW, PROPF_WRITABLE,
996 jsval_obj(ctx->bool_constr));
997 if(FAILED(hres))
998 return hres;
999
1000 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1001 if(FAILED(hres))
1002 return hres;
1003
1004 hres = jsdisp_define_data_property(ctx->global, DateW, PROPF_WRITABLE,
1005 jsval_obj(ctx->date_constr));
1006 if(FAILED(hres))
1007 return hres;
1008
1009 hres = create_enumerator_constr(ctx, object_prototype, &ctx->enumerator_constr);
1010 if(FAILED(hres))
1011 return hres;
1012
1013 hres = jsdisp_define_data_property(ctx->global, EnumeratorW, PROPF_WRITABLE,
1014 jsval_obj(ctx->enumerator_constr));
1015 if(FAILED(hres))
1016 return hres;
1017
1018 hres = init_error_constr(ctx, object_prototype);
1019 if(FAILED(hres))
1020 return hres;
1021
1022 hres = jsdisp_define_data_property(ctx->global, ErrorW, PROPF_WRITABLE,
1023 jsval_obj(ctx->error_constr));
1024 if(FAILED(hres))
1025 return hres;
1026
1027 hres = jsdisp_define_data_property(ctx->global, EvalErrorW, PROPF_WRITABLE,
1028 jsval_obj(ctx->eval_error_constr));
1029 if(FAILED(hres))
1030 return hres;
1031
1032 hres = jsdisp_define_data_property(ctx->global, RangeErrorW, PROPF_WRITABLE,
1033 jsval_obj(ctx->range_error_constr));
1034 if(FAILED(hres))
1035 return hres;
1036
1037 hres = jsdisp_define_data_property(ctx->global, ReferenceErrorW, PROPF_WRITABLE,
1038 jsval_obj(ctx->reference_error_constr));
1039 if(FAILED(hres))
1040 return hres;
1041
1042 hres = jsdisp_define_data_property(ctx->global, RegExpErrorW, PROPF_WRITABLE,
1043 jsval_obj(ctx->regexp_error_constr));
1044 if(FAILED(hres))
1045 return hres;
1046
1047 hres = jsdisp_define_data_property(ctx->global, SyntaxErrorW, PROPF_WRITABLE,
1048 jsval_obj(ctx->syntax_error_constr));
1049 if(FAILED(hres))
1050 return hres;
1051
1052 hres = jsdisp_define_data_property(ctx->global, TypeErrorW, PROPF_WRITABLE,
1053 jsval_obj(ctx->type_error_constr));
1054 if(FAILED(hres))
1055 return hres;
1056
1057 hres = jsdisp_define_data_property(ctx->global, URIErrorW, PROPF_WRITABLE,
1058 jsval_obj(ctx->uri_error_constr));
1059 if(FAILED(hres))
1060 return hres;
1061
1062 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1063 if(FAILED(hres))
1064 return hres;
1065
1066 hres = jsdisp_define_data_property(ctx->global, NumberW, PROPF_WRITABLE,
1067 jsval_obj(ctx->number_constr));
1068 if(FAILED(hres))
1069 return hres;
1070
1071 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1072 if(FAILED(hres))
1073 return hres;
1074
1075 hres = jsdisp_define_data_property(ctx->global, RegExpW, PROPF_WRITABLE,
1076 jsval_obj(ctx->regexp_constr));
1077 if(FAILED(hres))
1078 return hres;
1079
1080 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1081 if(FAILED(hres))
1082 return hres;
1083
1084 hres = jsdisp_define_data_property(ctx->global, StringW, PROPF_WRITABLE,
1085 jsval_obj(ctx->string_constr));
1086 if(FAILED(hres))
1087 return hres;
1088
1089 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1090 if(FAILED(hres))
1091 return hres;
1092
1093 hres = jsdisp_define_data_property(ctx->global, VBArrayW, PROPF_WRITABLE,
1094 jsval_obj(ctx->vbarray_constr));
1095 if(FAILED(hres))
1096 return hres;
1097
1098 return S_OK;
1099 }
1100
1101 HRESULT init_global(script_ctx_t *ctx)
1102 {
1103 unsigned const_flags = ctx->version >= SCRIPTLANGUAGEVERSION_ES5 ? 0 : PROPF_WRITABLE;
1104 jsdisp_t *math, *object_prototype, *constr;
1105 HRESULT hres;
1106
1107 if(ctx->global)
1108 return S_OK;
1109
1110 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1111 if(FAILED(hres))
1112 return hres;
1113
1114 hres = create_object_prototype(ctx, &object_prototype);
1115 if(FAILED(hres))
1116 return hres;
1117
1118 hres = init_constructors(ctx, object_prototype);
1119 jsdisp_release(object_prototype);
1120 if(FAILED(hres))
1121 return hres;
1122
1123 hres = create_math(ctx, &math);
1124 if(FAILED(hres))
1125 return hres;
1126
1127 hres = jsdisp_define_data_property(ctx->global, MathW, PROPF_WRITABLE, jsval_obj(math));
1128 jsdisp_release(math);
1129 if(FAILED(hres))
1130 return hres;
1131
1132 if(ctx->version >= 2) {
1133 jsdisp_t *json;
1134
1135 hres = create_json(ctx, &json);
1136 if(FAILED(hres))
1137 return hres;
1138
1139 hres = jsdisp_define_data_property(ctx->global, JSONW, PROPF_WRITABLE, jsval_obj(json));
1140 jsdisp_release(json);
1141 if(FAILED(hres))
1142 return hres;
1143 }
1144
1145 hres = create_activex_constr(ctx, &constr);
1146 if(FAILED(hres))
1147 return hres;
1148
1149 hres = jsdisp_define_data_property(ctx->global, ActiveXObjectW, PROPF_WRITABLE,
1150 jsval_obj(constr));
1151 jsdisp_release(constr);
1152 if(FAILED(hres))
1153 return hres;
1154
1155 hres = jsdisp_define_data_property(ctx->global, undefinedW, const_flags, jsval_undefined());
1156 if(FAILED(hres))
1157 return hres;
1158
1159 hres = jsdisp_define_data_property(ctx->global, NaNW, const_flags, jsval_number(NAN));
1160 if(FAILED(hres))
1161 return hres;
1162
1163 hres = jsdisp_define_data_property(ctx->global, InfinityW, const_flags, jsval_number(INFINITY));
1164 return hres;
1165 }
Windows API implementation