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makedep: Add more helpers for file output and error handling.
[wine.git] / dlls / jscript / global.c
blob0c0aa2946f9fc98933e95b97221fe86155726b47
1 /*
2 * Copyright 2008 Jacek Caban for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <math.h>
23 #include <limits.h>
24
25 #include "jscript.h"
26 #include "engine.h"
27
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
31
32 #define LONGLONG_MAX (((LONGLONG)0x7fffffff<<32)|0xffffffff)
33
34 static const WCHAR NaNW[] = {'N','a','N',0};
35 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
36 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
37 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
38 static const WCHAR DateW[] = {'D','a','t','e',0};
39 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
40 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
41 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
42 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
43 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
44 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
45 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
46 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
47 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
48 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
49 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
50 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
51 static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
52 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
53 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
54 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
55 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
56 static const WCHAR evalW[] = {'e','v','a','l',0};
57 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
58 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
59 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
60 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
61 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
62 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
63 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
64 static const WCHAR ScriptEngineMajorVersionW[] =
65 {'S','c','r','i','p','t','E','n','g','i','n','e','M','a','j','o','r','V','e','r','s','i','o','n',0};
66 static const WCHAR ScriptEngineMinorVersionW[] =
67 {'S','c','r','i','p','t','E','n','g','i','n','e','M','i','n','o','r','V','e','r','s','i','o','n',0};
68 static const WCHAR ScriptEngineBuildVersionW[] =
69 {'S','c','r','i','p','t','E','n','g','i','n','e','B','u','i','l','d','V','e','r','s','i','o','n',0};
70 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
71 static const WCHAR MathW[] = {'M','a','t','h',0};
72 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
73 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
74 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
75 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
76
77 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
78
79 static int uri_char_table[] = {
80 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
81 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
82 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
83 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
84 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
85 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
86 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
87 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
88 };
89
90 /* 1 - reserved */
91 /* 2 - unescaped */
92
93 static inline BOOL is_uri_reserved(WCHAR c)
94 {
95 return c < 128 && uri_char_table[c] == 1;
96 }
97
98 static inline BOOL is_uri_unescaped(WCHAR c)
99 {
100 return c < 128 && uri_char_table[c] == 2;
101 }
102
103 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
104 static inline BOOL is_ecma_nonblank(const WCHAR c)
105 {
106 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
107 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
108 }
109
110 static WCHAR int_to_char(int i)
111 {
112 if(i < 10)
113 return '0'+i;
114 return 'A'+i-10;
115 }
116
117 static HRESULT constructor_call(jsdisp_t *constr, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
118 {
119 if(flags != DISPATCH_PROPERTYGET)
120 return jsdisp_call_value(constr, NULL, flags, argc, argv, r);
121
122 *r = jsval_obj(jsdisp_addref(constr));
123 return S_OK;
124 }
125
126 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
127 jsval_t *r)
128 {
129 TRACE("\n");
130
131 return constructor_call(ctx->array_constr, flags, argc, argv, r);
132 }
133
134 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
135 jsval_t *r)
136 {
137 TRACE("\n");
138
139 return constructor_call(ctx->bool_constr, flags, argc, argv, r);
140 }
141
142 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
143 jsval_t *r)
144 {
145 TRACE("\n");
146
147 return constructor_call(ctx->date_constr, flags, argc, argv, r);
148 }
149
150 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
151 jsval_t *r)
152 {
153 TRACE("\n");
154
155 return constructor_call(ctx->error_constr, flags, argc, argv, r);
156 }
157
158 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
159 jsval_t *r)
160 {
161 TRACE("\n");
162
163 return constructor_call(ctx->eval_error_constr, flags, argc, argv, r);
164 }
165
166 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
167 jsval_t *r)
168 {
169 TRACE("\n");
170
171 return constructor_call(ctx->range_error_constr, flags, argc, argv, r);
172 }
173
174 static HRESULT JSGlobal_RegExpError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
175 jsval_t *r)
176 {
177 TRACE("\n");
178
179 return constructor_call(ctx->regexp_error_constr, flags, argc, argv, r);
180 }
181
182 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
183 jsval_t *r)
184 {
185 TRACE("\n");
186
187 return constructor_call(ctx->reference_error_constr, flags, argc, argv, r);
188 }
189
190 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
191 jsval_t *r)
192 {
193 TRACE("\n");
194
195 return constructor_call(ctx->syntax_error_constr, flags, argc, argv, r);
196 }
197
198 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
199 jsval_t *r)
200 {
201 TRACE("\n");
202
203 return constructor_call(ctx->type_error_constr, flags, argc, argv, r);
204 }
205
206 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
207 jsval_t *r)
208 {
209 TRACE("\n");
210
211 return constructor_call(ctx->uri_error_constr, flags, argc, argv, r);
212 }
213
214 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
215 jsval_t *r)
216 {
217 TRACE("\n");
218
219 return constructor_call(ctx->function_constr, flags, argc, argv, r);
220 }
221
222 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
223 jsval_t *r)
224 {
225 TRACE("\n");
226
227 return constructor_call(ctx->number_constr, flags, argc, argv, r);
228 }
229
230 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
231 jsval_t *r)
232 {
233 TRACE("\n");
234
235 return constructor_call(ctx->object_constr, flags, argc, argv, r);
236 }
237
238 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
239 jsval_t *r)
240 {
241 TRACE("\n");
242
243 return constructor_call(ctx->string_constr, flags, argc, argv, r);
244 }
245
246 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
247 jsval_t *r)
248 {
249 TRACE("\n");
250
251 return constructor_call(ctx->regexp_constr, flags, argc, argv, r);
252 }
253
254 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
255 jsval_t *r)
256 {
257 TRACE("\n");
258
259 return constructor_call(ctx->activex_constr, flags, argc, argv, r);
260 }
261
262 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
263 jsval_t *r)
264 {
265 TRACE("\n");
266
267 return constructor_call(ctx->vbarray_constr, flags, argc, argv, r);
268 }
269
270 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
271 jsval_t *r)
272 {
273 FIXME("\n");
274 return E_NOTIMPL;
275 }
276
277 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
278 jsval_t *r)
279 {
280 jsstr_t *ret_str, *str;
281 const WCHAR *ptr, *buf;
282 DWORD len = 0;
283 WCHAR *ret;
284 HRESULT hres;
285
286 TRACE("\n");
287
288 if(!argc) {
289 if(r)
290 *r = jsval_string(jsstr_undefined());
291 return S_OK;
292 }
293
294 hres = to_flat_string(ctx, argv[0], &str, &buf);
295 if(FAILED(hres))
296 return hres;
297
298 for(ptr = buf; *ptr; ptr++) {
299 if(*ptr > 0xff)
300 len += 6;
301 else if(is_ecma_nonblank(*ptr))
302 len++;
303 else
304 len += 3;
305 }
306
307 ret = jsstr_alloc_buf(len, &ret_str);
308 if(!ret) {
309 jsstr_release(str);
310 return E_OUTOFMEMORY;
311 }
312
313 len = 0;
314 for(ptr = buf; *ptr; ptr++) {
315 if(*ptr > 0xff) {
316 ret[len++] = '%';
317 ret[len++] = 'u';
318 ret[len++] = int_to_char(*ptr >> 12);
319 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
320 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
321 ret[len++] = int_to_char(*ptr & 0xf);
322 }
323 else if(is_ecma_nonblank(*ptr))
324 ret[len++] = *ptr;
325 else {
326 ret[len++] = '%';
327 ret[len++] = int_to_char(*ptr >> 4);
328 ret[len++] = int_to_char(*ptr & 0xf);
329 }
330 }
331
332 jsstr_release(str);
333
334 if(r)
335 *r = jsval_string(ret_str);
336 else
337 jsstr_release(ret_str);
338 return S_OK;
339 }
340
341 /* ECMA-262 3rd Edition 15.1.2.1 */
342 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
343 jsval_t *r)
344 {
345 bytecode_t *code;
346 const WCHAR *src;
347 HRESULT hres;
348
349 TRACE("\n");
350
351 if(!argc) {
352 if(r)
353 *r = jsval_undefined();
354 return S_OK;
355 }
356
357 if(!is_string(argv[0])) {
358 if(r)
359 return jsval_copy(argv[0], r);
360 return S_OK;
361 }
362
363 if(!ctx->exec_ctx) {
364 FIXME("No active exec_ctx\n");
365 return E_UNEXPECTED;
366 }
367
368 src = jsstr_flatten(get_string(argv[0]));
369 if(!src)
370 return E_OUTOFMEMORY;
371
372 TRACE("parsing %s\n", debugstr_jsval(argv[0]));
373 hres = compile_script(ctx, src, NULL, NULL, TRUE, FALSE, &code);
374 if(FAILED(hres)) {
375 WARN("parse (%s) failed: %08x\n", debugstr_jsval(argv[0]), hres);
376 return throw_syntax_error(ctx, hres, NULL);
377 }
378
379 hres = exec_source(ctx->exec_ctx, code, &code->global_code, TRUE, r);
380 release_bytecode(code);
381 return hres;
382 }
383
384 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
385 jsval_t *r)
386 {
387 BOOL ret = TRUE;
388 double n;
389 HRESULT hres;
390
391 TRACE("\n");
392
393 if(argc) {
394 hres = to_number(ctx, argv[0], &n);
395 if(FAILED(hres))
396 return hres;
397
398 if(!isnan(n))
399 ret = FALSE;
400 }
401
402 if(r)
403 *r = jsval_bool(ret);
404 return S_OK;
405 }
406
407 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
408 jsval_t *r)
409 {
410 BOOL ret = FALSE;
411 HRESULT hres;
412
413 TRACE("\n");
414
415 if(argc) {
416 double n;
417
418 hres = to_number(ctx, argv[0], &n);
419 if(FAILED(hres))
420 return hres;
421
422 if(!isinf(n) && !isnan(n))
423 ret = TRUE;
424 }
425
426 if(r)
427 *r = jsval_bool(ret);
428 return S_OK;
429 }
430
431 static INT char_to_int(WCHAR c)
432 {
433 if('0' <= c && c <= '9')
434 return c - '0';
435 if('a' <= c && c <= 'z')
436 return c - 'a' + 10;
437 if('A' <= c && c <= 'Z')
438 return c - 'A' + 10;
439 return 100;
440 }
441
442 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
443 jsval_t *r)
444 {
445 BOOL neg = FALSE, empty = TRUE;
446 const WCHAR *ptr;
447 DOUBLE ret = 0.0;
448 INT radix=0, i;
449 jsstr_t *str;
450 HRESULT hres;
451
452 if(!argc) {
453 if(r)
454 *r = jsval_number(NAN);
455 return S_OK;
456 }
457
458 if(argc >= 2) {
459 hres = to_int32(ctx, argv[1], &radix);
460 if(FAILED(hres))
461 return hres;
462
463 if(radix && (radix < 2 || radix > 36)) {
464 WARN("radix %d out of range\n", radix);
465 if(r)
466 *r = jsval_number(NAN);
467 return S_OK;
468 }
469 }
470
471 hres = to_flat_string(ctx, argv[0], &str, &ptr);
472 if(FAILED(hres))
473 return hres;
474
475 while(isspaceW(*ptr))
476 ptr++;
477
478 switch(*ptr) {
479 case '+':
480 ptr++;
481 break;
482 case '-':
483 neg = TRUE;
484 ptr++;
485 break;
486 }
487
488 if(!radix) {
489 if(*ptr == '0') {
490 if(ptr[1] == 'x' || ptr[1] == 'X') {
491 radix = 16;
492 ptr += 2;
493 }else {
494 radix = 8;
495 ptr++;
496 empty = FALSE;
497 }
498 }else {
499 radix = 10;
500 }
501 }
502
503 i = char_to_int(*ptr++);
504 if(i < radix) {
505 do {
506 ret = ret*radix + i;
507 i = char_to_int(*ptr++);
508 }while(i < radix);
509 }else if(empty) {
510 ret = NAN;
511 }
512
513 jsstr_release(str);
514
515 if(neg)
516 ret = -ret;
517
518 if(r)
519 *r = jsval_number(ret);
520 return S_OK;
521 }
522
523 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
524 jsval_t *r)
525 {
526 LONGLONG d = 0, hlp;
527 jsstr_t *val_str;
528 int exp = 0;
529 const WCHAR *str;
530 BOOL ret_nan = TRUE, positive = TRUE;
531 HRESULT hres;
532
533 if(!argc) {
534 if(r)
535 *r = jsval_number(NAN);
536 return S_OK;
537 }
538
539 hres = to_flat_string(ctx, argv[0], &val_str, &str);
540 if(FAILED(hres))
541 return hres;
542
543 while(isspaceW(*str)) str++;
544
545 if(*str == '+')
546 str++;
547 else if(*str == '-') {
548 positive = FALSE;
549 str++;
550 }
551
552 if(isdigitW(*str))
553 ret_nan = FALSE;
554
555 while(isdigitW(*str)) {
556 hlp = d*10 + *(str++) - '0';
557 if(d>LONGLONG_MAX/10 || hlp<0) {
558 exp++;
559 break;
560 }
561 else
562 d = hlp;
563 }
564 while(isdigitW(*str)) {
565 exp++;
566 str++;
567 }
568
569 if(*str == '.') str++;
570
571 if(isdigitW(*str))
572 ret_nan = FALSE;
573
574 while(isdigitW(*str)) {
575 hlp = d*10 + *(str++) - '0';
576 if(d>LONGLONG_MAX/10 || hlp<0)
577 break;
578
579 d = hlp;
580 exp--;
581 }
582 while(isdigitW(*str))
583 str++;
584
585 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
586 int sign = 1, e = 0;
587
588 str++;
589 if(*str == '+')
590 str++;
591 else if(*str == '-') {
592 sign = -1;
593 str++;
594 }
595
596 while(isdigitW(*str)) {
597 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
598 e = INT_MAX;
599 }
600 e *= sign;
601
602 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
603 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
604 else exp += e;
605 }
606
607 jsstr_release(val_str);
608
609 if(ret_nan) {
610 if(r)
611 *r = jsval_number(NAN);
612 return S_OK;
613 }
614
615 if(!positive)
616 d = -d;
617 if(r)
618 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
619 return S_OK;
620 }
621
622 static inline int hex_to_int(const WCHAR wch) {
623 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
624 if(isdigitW(wch)) return wch-'0';
625 return -1;
626 }
627
628 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
629 jsval_t *r)
630 {
631 jsstr_t *ret_str, *str;
632 const WCHAR *ptr, *buf;
633 DWORD len = 0;
634 WCHAR *ret;
635 HRESULT hres;
636
637 TRACE("\n");
638
639 if(!argc) {
640 if(r)
641 *r = jsval_string(jsstr_undefined());
642 return S_OK;
643 }
644
645 hres = to_flat_string(ctx, argv[0], &str, &buf);
646 if(FAILED(hres))
647 return hres;
648
649 for(ptr = buf; *ptr; ptr++) {
650 if(*ptr == '%') {
651 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
652 ptr += 2;
653 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
654 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
655 ptr += 5;
656 }
657
658 len++;
659 }
660
661 ret = jsstr_alloc_buf(len, &ret_str);
662 if(!ret) {
663 jsstr_release(str);
664 return E_OUTOFMEMORY;
665 }
666
667 len = 0;
668 for(ptr = buf; *ptr; ptr++) {
669 if(*ptr == '%') {
670 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
671 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
672 ptr += 2;
673 }
674 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
675 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
676 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
677 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
678 ptr += 5;
679 }
680 else
681 ret[len] = *ptr;
682 }
683 else
684 ret[len] = *ptr;
685
686 len++;
687 }
688
689 jsstr_release(str);
690
691 if(r)
692 *r = jsval_string(ret_str);
693 else
694 jsstr_release(ret_str);
695 return S_OK;
696 }
697
698 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
699 jsval_t *r)
700 {
701 FIXME("\n");
702 return E_NOTIMPL;
703 }
704
705 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
706 jsval_t *r)
707 {
708 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
709
710 TRACE("\n");
711
712 if(r) {
713 jsstr_t *ret;
714
715 ret = jsstr_alloc(JScriptW);
716 if(!ret)
717 return E_OUTOFMEMORY;
718
719 *r = jsval_string(ret);
720 }
721
722 return S_OK;
723 }
724
725 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
726 jsval_t *r)
727 {
728 TRACE("\n");
729
730 if(r)
731 *r = jsval_number(JSCRIPT_MAJOR_VERSION);
732 return S_OK;
733 }
734
735 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
736 jsval_t *r)
737 {
738 TRACE("\n");
739
740 if(r)
741 *r = jsval_number(JSCRIPT_MINOR_VERSION);
742 return S_OK;
743 }
744
745 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
746 jsval_t *r)
747 {
748 TRACE("\n");
749
750 if(r)
751 *r = jsval_number(JSCRIPT_BUILD_VERSION);
752 return S_OK;
753 }
754
755 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
756 jsval_t *r)
757 {
758 FIXME("\n");
759 return E_NOTIMPL;
760 }
761
762 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
763 jsval_t *r)
764 {
765 const WCHAR *ptr, *uri;
766 jsstr_t *str, *ret;
767 DWORD len = 0, i;
768 char buf[4];
769 WCHAR *rptr;
770 HRESULT hres;
771
772 TRACE("\n");
773
774 if(!argc) {
775 if(r)
776 *r = jsval_string(jsstr_undefined());
777 return S_OK;
778 }
779
780 hres = to_flat_string(ctx, argv[0], &str, &uri);
781 if(FAILED(hres))
782 return hres;
783
784 for(ptr = uri; *ptr; ptr++) {
785 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
786 len++;
787 }else {
788 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
789 if(!i) {
790 jsstr_release(str);
791 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
792 }
793
794 len += i;
795 }
796 }
797
798 rptr = jsstr_alloc_buf(len, &ret);
799 if(!rptr) {
800 jsstr_release(str);
801 return E_OUTOFMEMORY;
802 }
803
804 for(ptr = uri; *ptr; ptr++) {
805 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
806 *rptr++ = *ptr;
807 }else {
808 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
809 for(i=0; i<len; i++) {
810 *rptr++ = '%';
811 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
812 *rptr++ = int_to_char(buf[i] & 0x0f);
813 }
814 }
815 }
816
817 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
818 jsstr_release(str);
819
820 if(r)
821 *r = jsval_string(ret);
822 else
823 jsstr_release(ret);
824 return S_OK;
825 }
826
827 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
828 jsval_t *r)
829 {
830 const WCHAR *ptr, *uri;
831 jsstr_t *str, *ret_str;
832 unsigned len = 0;
833 int i, val, res;
834 WCHAR *ret;
835 char buf[4];
836 WCHAR out;
837 HRESULT hres;
838
839 TRACE("\n");
840
841 if(!argc) {
842 if(r)
843 *r = jsval_string(jsstr_undefined());
844 return S_OK;
845 }
846
847 hres = to_flat_string(ctx, argv[0], &str, &uri);
848 if(FAILED(hres))
849 return hres;
850
851 for(ptr = uri; *ptr; ptr++) {
852 if(*ptr != '%') {
853 len++;
854 }else {
855 res = 0;
856 for(i=0; i<4; i++) {
857 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
858 break;
859 val += hex_to_int(ptr[i*3+1])<<4;
860 buf[i] = val;
861
862 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
863 if(res)
864 break;
865 }
866
867 if(!res) {
868 jsstr_release(str);
869 return throw_uri_error(ctx, JS_E_INVALID_URI_CODING, NULL);
870 }
871
872 ptr += i*3+2;
873 len++;
874 }
875 }
876
877 ret = jsstr_alloc_buf(len, &ret_str);
878 if(!ret) {
879 jsstr_release(str);
880 return E_OUTOFMEMORY;
881 }
882
883 for(ptr = uri; *ptr; ptr++) {
884 if(*ptr != '%') {
885 *ret++ = *ptr;
886 }else {
887 for(i=0; i<4; i++) {
888 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
889 break;
890 val += hex_to_int(ptr[i*3+1])<<4;
891 buf[i] = val;
892
893 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret, 1);
894 if(res)
895 break;
896 }
897
898 ptr += i*3+2;
899 ret++;
900 }
901 }
902
903 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret_str));
904 jsstr_release(str);
905
906 if(r)
907 *r = jsval_string(ret_str);
908 else
909 jsstr_release(ret_str);
910 return S_OK;
911 }
912
913 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
914 jsval_t *r)
915 {
916 jsstr_t *str, *ret_str;
917 char buf[4];
918 const WCHAR *ptr, *uri;
919 DWORD len = 0, size, i;
920 WCHAR *ret;
921 HRESULT hres;
922
923 TRACE("\n");
924
925 if(!argc) {
926 if(r)
927 *r = jsval_string(jsstr_undefined());
928 return S_OK;
929 }
930
931 hres = to_flat_string(ctx, argv[0], &str, &uri);
932 if(FAILED(hres))
933 return hres;
934
935 for(ptr = uri; *ptr; ptr++) {
936 if(is_uri_unescaped(*ptr))
937 len++;
938 else {
939 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
940 if(!size) {
941 jsstr_release(str);
942 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
943 }
944 len += size*3;
945 }
946 }
947
948 ret = jsstr_alloc_buf(len, &ret_str);
949 if(!ret) {
950 jsstr_release(str);
951 return E_OUTOFMEMORY;
952 }
953
954 for(ptr = uri; *ptr; ptr++) {
955 if(is_uri_unescaped(*ptr)) {
956 *ret++ = *ptr;
957 }else {
958 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
959 for(i=0; i<size; i++) {
960 *ret++ = '%';
961 *ret++ = int_to_char((BYTE)buf[i] >> 4);
962 *ret++ = int_to_char(buf[i] & 0x0f);
963 }
964 }
965 }
966
967 jsstr_release(str);
968
969 if(r)
970 *r = jsval_string(ret_str);
971 else
972 jsstr_release(ret_str);
973 return S_OK;
974 }
975
976 /* ECMA-262 3rd Edition 15.1.3.2 */
977 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
978 jsval_t *r)
979 {
980 const WCHAR *ptr, *uri;
981 jsstr_t *str, *ret;
982 WCHAR *out_ptr;
983 DWORD len = 0;
984 HRESULT hres;
985
986 TRACE("\n");
987
988 if(!argc) {
989 if(r)
990 *r = jsval_string(jsstr_undefined());
991 return S_OK;
992 }
993
994 hres = to_flat_string(ctx, argv[0], &str, &uri);
995 if(FAILED(hres))
996 return hres;
997
998 ptr = uri;
999 while(*ptr) {
1000 if(*ptr == '%') {
1001 char octets[4];
1002 unsigned char mask = 0x80;
1003 int i, size, num_bytes = 0;
1004 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1005 FIXME("Throw URIError: Invalid hex sequence\n");
1006 jsstr_release(str);
1007 return E_FAIL;
1008 }
1009 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1010 ptr += 3;
1011 while(octets[0] & mask) {
1012 mask = mask >> 1;
1013 ++num_bytes;
1014 }
1015 if(num_bytes == 1 || num_bytes > 4) {
1016 FIXME("Throw URIError: Invalid initial UTF character\n");
1017 jsstr_release(str);
1018 return E_FAIL;
1019 }
1020 for(i = 1; i < num_bytes; ++i) {
1021 if(*ptr != '%'){
1022 FIXME("Throw URIError: Incomplete UTF sequence\n");
1023 jsstr_release(str);
1024 return E_FAIL;
1025 }
1026 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1027 FIXME("Throw URIError: Invalid hex sequence\n");
1028 jsstr_release(str);
1029 return E_FAIL;
1030 }
1031 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1032 ptr += 3;
1033 }
1034 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1035 num_bytes ? num_bytes : 1, NULL, 0);
1036 if(size == 0) {
1037 FIXME("Throw URIError: Invalid UTF sequence\n");
1038 jsstr_release(str);
1039 return E_FAIL;
1040 }
1041 len += size;
1042 }else {
1043 ++ptr;
1044 ++len;
1045 }
1046 }
1047
1048 out_ptr = jsstr_alloc_buf(len, &ret);
1049 if(!ret) {
1050 jsstr_release(str);
1051 return E_OUTOFMEMORY;
1052 }
1053
1054 ptr = uri;
1055 while(*ptr) {
1056 if(*ptr == '%') {
1057 char octets[4];
1058 unsigned char mask = 0x80;
1059 int i, size, num_bytes = 0;
1060 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1061 ptr += 3;
1062 while(octets[0] & mask) {
1063 mask = mask >> 1;
1064 ++num_bytes;
1065 }
1066 for(i = 1; i < num_bytes; ++i) {
1067 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1068 ptr += 3;
1069 }
1070 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1071 num_bytes ? num_bytes : 1, out_ptr, len);
1072 len -= size;
1073 out_ptr += size;
1074 }else {
1075 *out_ptr++ = *ptr++;
1076 --len;
1077 }
1078 }
1079
1080 jsstr_release(str);
1081
1082 if(r)
1083 *r = jsval_string(ret);
1084 else
1085 jsstr_release(ret);
1086 return S_OK;
1087 }
1088
1089 static const builtin_prop_t JSGlobal_props[] = {
1090 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1091 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1092 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1093 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1094 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1095 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1096 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1097 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1098 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1099 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1100 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1101 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1102 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1103 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1104 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1105 {RegExpErrorW, JSGlobal_RegExpError, PROPF_CONSTR|1},
1106 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1107 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1108 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1109 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1110 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1111 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1112 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1113 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1114 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1115 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1116 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1117 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1118 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1119 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1120 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1121 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1122 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1123 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1124 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1125 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1126 };
1127
1128 static const builtin_info_t JSGlobal_info = {
1129 JSCLASS_GLOBAL,
1130 {NULL, NULL, 0},
1131 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1132 JSGlobal_props,
1133 NULL,
1134 NULL
1135 };
1136
1137 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1138 {
1139 HRESULT hres;
1140
1141 hres = init_function_constr(ctx, object_prototype);
1142 if(FAILED(hres))
1143 return hres;
1144
1145 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1146 if(FAILED(hres))
1147 return hres;
1148
1149 hres = create_activex_constr(ctx, &ctx->activex_constr);
1150 if(FAILED(hres))
1151 return hres;
1152
1153 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1154 if(FAILED(hres))
1155 return hres;
1156
1157 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1158 if(FAILED(hres))
1159 return hres;
1160
1161 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1162 if(FAILED(hres))
1163 return hres;
1164
1165 hres = init_error_constr(ctx, object_prototype);
1166 if(FAILED(hres))
1167 return hres;
1168
1169 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1170 if(FAILED(hres))
1171 return hres;
1172
1173 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1174 if(FAILED(hres))
1175 return hres;
1176
1177 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1178 if(FAILED(hres))
1179 return hres;
1180
1181 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1182 if(FAILED(hres))
1183 return hres;
1184
1185 return S_OK;
1186 }
1187
1188 HRESULT init_global(script_ctx_t *ctx)
1189 {
1190 jsdisp_t *math, *object_prototype;
1191 HRESULT hres;
1192
1193 if(ctx->global)
1194 return S_OK;
1195
1196 hres = create_object_prototype(ctx, &object_prototype);
1197 if(FAILED(hres))
1198 return hres;
1199
1200 hres = init_constructors(ctx, object_prototype);
1201 jsdisp_release(object_prototype);
1202 if(FAILED(hres))
1203 return hres;
1204
1205 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1206 if(FAILED(hres))
1207 return hres;
1208
1209 hres = create_math(ctx, &math);
1210 if(FAILED(hres))
1211 return hres;
1212
1213 hres = jsdisp_propput_dontenum(ctx->global, MathW, jsval_obj(math));
1214 jsdisp_release(math);
1215 if(FAILED(hres))
1216 return hres;
1217
1218 hres = jsdisp_propput_dontenum(ctx->global, undefinedW, jsval_undefined());
1219 if(FAILED(hres))
1220 return hres;
1221
1222 hres = jsdisp_propput_dontenum(ctx->global, NaNW, jsval_number(NAN));
1223 if(FAILED(hres))
1224 return hres;
1225
1226 hres = jsdisp_propput_dontenum(ctx->global, InfinityW, jsval_number(INFINITY));
1227 return hres;
1228 }
Windows API implementation