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[JSCRIPT]
[reactos.git] / reactos / dll / win32 / jscript / global.c
1 /*
2 * Copyright 2008 Jacek Caban for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <math.h>
23 #include <limits.h>
24
25 #include "jscript.h"
26 #include "engine.h"
27
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
31
32 #define LONGLONG_MAX (((LONGLONG)0x7fffffff<<32)|0xffffffff)
33
34 static const WCHAR NaNW[] = {'N','a','N',0};
35 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
36 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
37 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
38 static const WCHAR DateW[] = {'D','a','t','e',0};
39 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
40 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
41 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
42 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
43 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
44 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
45 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
46 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
47 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
48 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
49 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
50 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
51 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
52 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
53 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
54 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
55 static const WCHAR evalW[] = {'e','v','a','l',0};
56 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
57 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
58 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
59 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
60 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
61 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
62 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
63 static const WCHAR ScriptEngineMajorVersionW[] =
64 {'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};
65 static const WCHAR ScriptEngineMinorVersionW[] =
66 {'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};
67 static const WCHAR ScriptEngineBuildVersionW[] =
68 {'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};
69 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
70 static const WCHAR MathW[] = {'M','a','t','h',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 static WCHAR int_to_char(int i)
103 {
104 if(i < 10)
105 return '0'+i;
106 return 'A'+i-10;
107 }
108
109 static HRESULT constructor_call(DispatchEx *constr, WORD flags, DISPPARAMS *dp,
110 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
111 {
112 if(flags != DISPATCH_PROPERTYGET)
113 return jsdisp_call_value(constr, flags, dp, retv, ei, sp);
114
115 V_VT(retv) = VT_DISPATCH;
116 V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(constr);
117 IDispatchEx_AddRef(_IDispatchEx_(constr));
118 return S_OK;
119 }
120
121 static HRESULT JSGlobal_NaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
122 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
123 {
124 TRACE("\n");
125
126 switch(flags) {
127 case DISPATCH_PROPERTYGET:
128 num_set_nan(retv);
129 break;
130
131 default:
132 FIXME("unimplemented flags %x\n", flags);
133 return E_NOTIMPL;
134 }
135
136 return S_OK;
137 }
138
139 static HRESULT JSGlobal_Infinity(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
140 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
141 {
142 TRACE("\n");
143
144 switch(flags) {
145 case DISPATCH_PROPERTYGET:
146 num_set_inf(retv, TRUE);
147 break;
148
149 default:
150 FIXME("unimplemented flags %x\n", flags);
151 return E_NOTIMPL;
152 }
153
154 return S_OK;
155 }
156
157 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
158 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
159 {
160 TRACE("\n");
161
162 return constructor_call(ctx->array_constr, flags, dp, retv, ei, sp);
163 }
164
165 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
166 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
167 {
168 TRACE("\n");
169
170 return constructor_call(ctx->bool_constr, flags, dp, retv, ei, sp);
171 }
172
173 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
174 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
175 {
176 TRACE("\n");
177
178 return constructor_call(ctx->date_constr, flags, dp, retv, ei, sp);
179 }
180
181 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
182 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
183 {
184 TRACE("\n");
185
186 return constructor_call(ctx->error_constr, flags, dp, retv, ei, sp);
187 }
188
189 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
190 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
191 {
192 TRACE("\n");
193
194 return constructor_call(ctx->eval_error_constr, flags, dp, retv, ei, sp);
195 }
196
197 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
198 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
199 {
200 TRACE("\n");
201
202 return constructor_call(ctx->range_error_constr, flags, dp, retv, ei, sp);
203 }
204
205 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
206 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
207 {
208 TRACE("\n");
209
210 return constructor_call(ctx->reference_error_constr, flags, dp, retv, ei, sp);
211 }
212
213 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
214 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
215 {
216 TRACE("\n");
217
218 return constructor_call(ctx->syntax_error_constr, flags, dp, retv, ei, sp);
219 }
220
221 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
222 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
223 {
224 TRACE("\n");
225
226 return constructor_call(ctx->type_error_constr, flags, dp, retv, ei, sp);
227 }
228
229 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
230 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
231 {
232 TRACE("\n");
233
234 return constructor_call(ctx->uri_error_constr, flags, dp, retv, ei, sp);
235 }
236
237 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
238 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
239 {
240 TRACE("\n");
241
242 return constructor_call(ctx->function_constr, flags, dp, retv, ei, sp);
243 }
244
245 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
246 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
247 {
248 TRACE("\n");
249
250 return constructor_call(ctx->number_constr, flags, dp, retv, ei, sp);
251 }
252
253 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
254 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
255 {
256 TRACE("\n");
257
258 return constructor_call(ctx->object_constr, flags, dp, retv, ei, sp);
259 }
260
261 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
262 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
263 {
264 TRACE("\n");
265
266 return constructor_call(ctx->string_constr, flags, dp, retv, ei, sp);
267 }
268
269 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
270 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
271 {
272 TRACE("\n");
273
274 return constructor_call(ctx->regexp_constr, flags, dp, retv, ei, sp);
275 }
276
277 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
278 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
279 {
280 TRACE("\n");
281
282 return constructor_call(ctx->activex_constr, flags, dp, retv, ei, sp);
283 }
284
285 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
286 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
287 {
288 FIXME("\n");
289 return E_NOTIMPL;
290 }
291
292 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
293 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
294 {
295 FIXME("\n");
296 return E_NOTIMPL;
297 }
298
299 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
300 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
301 {
302 BSTR ret, str;
303 const WCHAR *ptr;
304 DWORD len = 0;
305 HRESULT hres;
306
307 TRACE("\n");
308
309 if(!arg_cnt(dp)) {
310 if(retv) {
311 ret = SysAllocString(undefinedW);
312 if(!ret)
313 return E_OUTOFMEMORY;
314
315 V_VT(retv) = VT_BSTR;
316 V_BSTR(retv) = ret;
317 }
318
319 return S_OK;
320 }
321
322 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
323 if(FAILED(hres))
324 return hres;
325
326 for(ptr=str; *ptr; ptr++) {
327 if(*ptr > 0xff)
328 len += 6;
329 else if(isalnum((char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
330 || *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
331 len++;
332 else
333 len += 3;
334 }
335
336 ret = SysAllocStringLen(NULL, len);
337 if(!ret) {
338 SysFreeString(str);
339 return E_OUTOFMEMORY;
340 }
341
342 len = 0;
343 for(ptr=str; *ptr; ptr++) {
344 if(*ptr > 0xff) {
345 ret[len++] = '%';
346 ret[len++] = 'u';
347 ret[len++] = int_to_char(*ptr >> 12);
348 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
349 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
350 ret[len++] = int_to_char(*ptr & 0xf);
351 }
352 else if(isalnum((char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
353 || *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
354 ret[len++] = *ptr;
355 else {
356 ret[len++] = '%';
357 ret[len++] = int_to_char(*ptr >> 4);
358 ret[len++] = int_to_char(*ptr & 0xf);
359 }
360 }
361
362 SysFreeString(str);
363
364 if(retv) {
365 V_VT(retv) = VT_BSTR;
366 V_BSTR(retv) = ret;
367 }
368 else
369 SysFreeString(ret);
370
371 return S_OK;
372 }
373
374 /* ECMA-262 3rd Edition 15.1.2.1 */
375 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
376 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
377 {
378 parser_ctx_t *parser_ctx;
379 VARIANT *arg;
380 HRESULT hres;
381
382 TRACE("\n");
383
384 if(!arg_cnt(dp)) {
385 if(retv)
386 V_VT(retv) = VT_EMPTY;
387 return S_OK;
388 }
389
390 arg = get_arg(dp, 0);
391 if(V_VT(arg) != VT_BSTR) {
392 if(retv) {
393 V_VT(retv) = VT_EMPTY;
394 return VariantCopy(retv, arg);
395 }
396 return S_OK;
397 }
398
399 if(!ctx->exec_ctx) {
400 FIXME("No active exec_ctx\n");
401 return E_UNEXPECTED;
402 }
403
404 TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
405 hres = script_parse(ctx, V_BSTR(arg), NULL, &parser_ctx);
406 if(FAILED(hres)) {
407 WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(arg)), hres);
408 return throw_syntax_error(ctx, ei, hres, NULL);
409 }
410
411 hres = exec_source(ctx->exec_ctx, parser_ctx, parser_ctx->source, EXECT_EVAL, ei, retv);
412 parser_release(parser_ctx);
413
414 return hres;
415 }
416
417 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
418 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
419 {
420 VARIANT_BOOL ret = VARIANT_FALSE;
421 VARIANT num;
422 HRESULT hres;
423
424 TRACE("\n");
425
426 if(arg_cnt(dp)) {
427 hres = to_number(ctx, get_arg(dp,0), ei, &num);
428 if(FAILED(hres))
429 return hres;
430
431 if(V_VT(&num) == VT_R8 && isnan(V_R8(&num)))
432 ret = VARIANT_TRUE;
433 }else {
434 ret = VARIANT_TRUE;
435 }
436
437 if(retv) {
438 V_VT(retv) = VT_BOOL;
439 V_BOOL(retv) = ret;
440 }
441 return S_OK;
442 }
443
444 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
445 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
446 {
447 VARIANT_BOOL ret = VARIANT_FALSE;
448 HRESULT hres;
449
450 TRACE("\n");
451
452 if(arg_cnt(dp)) {
453 VARIANT num;
454
455 hres = to_number(ctx, get_arg(dp,0), ei, &num);
456 if(FAILED(hres))
457 return hres;
458
459 if(V_VT(&num) != VT_R8 || (!isinf(V_R8(&num)) && !isnan(V_R8(&num))))
460 ret = VARIANT_TRUE;
461 }
462
463 if(retv) {
464 V_VT(retv) = VT_BOOL;
465 V_BOOL(retv) = ret;
466 }
467 return S_OK;
468 }
469
470 static INT char_to_int(WCHAR c)
471 {
472 if('0' <= c && c <= '9')
473 return c - '0';
474 if('a' <= c && c <= 'z')
475 return c - 'a' + 10;
476 if('A' <= c && c <= 'Z')
477 return c - 'A' + 10;
478 return 100;
479 }
480
481 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
482 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
483 {
484 DOUBLE ret = 0.0;
485 INT radix=10, i;
486 WCHAR *ptr;
487 BOOL neg = FALSE;
488 BSTR str;
489 HRESULT hres;
490
491 if(!arg_cnt(dp)) {
492 if(retv) num_set_nan(retv);
493 return S_OK;
494 }
495
496 if(arg_cnt(dp) >= 2) {
497 hres = to_int32(ctx, get_arg(dp, 1), ei, &radix);
498 if(FAILED(hres))
499 return hres;
500
501 if(!radix) {
502 radix = 10;
503 }else if(radix < 2 || radix > 36) {
504 WARN("radix %d out of range\n", radix);
505 return E_FAIL;
506 }
507 }
508
509 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
510 if(FAILED(hres))
511 return hres;
512
513 for(ptr = str; isspaceW(*ptr); ptr++);
514
515 switch(*ptr) {
516 case '+':
517 ptr++;
518 break;
519 case '-':
520 neg = TRUE;
521 ptr++;
522 break;
523 case '0':
524 ptr++;
525 if(*ptr == 'x' || *ptr == 'X') {
526 radix = 16;
527 ptr++;
528 }
529 }
530
531 while(*ptr) {
532 i = char_to_int(*ptr++);
533 if(i > radix)
534 break;
535
536 ret = ret*radix + i;
537 }
538
539 SysFreeString(str);
540
541 if(neg)
542 ret = -ret;
543
544 if(retv)
545 num_set_val(retv, ret);
546 return S_OK;
547 }
548
549 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
550 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
551 {
552 LONGLONG d = 0, hlp;
553 int exp = 0;
554 VARIANT *arg;
555 WCHAR *str;
556 BSTR val_str = NULL;
557 BOOL ret_nan = TRUE, positive = TRUE;
558 HRESULT hres;
559
560 if(!arg_cnt(dp)) {
561 if(retv)
562 num_set_nan(retv);
563 return S_OK;
564 }
565
566 arg = get_arg(dp, 0);
567 hres = to_string(ctx, arg, ei, &val_str);
568 if(FAILED(hres))
569 return hres;
570
571 str = val_str;
572
573 while(isspaceW(*str)) str++;
574
575 if(*str == '+')
576 str++;
577 else if(*str == '-') {
578 positive = FALSE;
579 str++;
580 }
581
582 if(isdigitW(*str))
583 ret_nan = FALSE;
584
585 while(isdigitW(*str)) {
586 hlp = d*10 + *(str++) - '0';
587 if(d>LONGLONG_MAX/10 || hlp<0) {
588 exp++;
589 break;
590 }
591 else
592 d = hlp;
593 }
594 while(isdigitW(*str)) {
595 exp++;
596 str++;
597 }
598
599 if(*str == '.') str++;
600
601 if(isdigitW(*str))
602 ret_nan = FALSE;
603
604 while(isdigitW(*str)) {
605 hlp = d*10 + *(str++) - '0';
606 if(d>LONGLONG_MAX/10 || hlp<0)
607 break;
608
609 d = hlp;
610 exp--;
611 }
612 while(isdigitW(*str))
613 str++;
614
615 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
616 int sign = 1, e = 0;
617
618 str++;
619 if(*str == '+')
620 str++;
621 else if(*str == '-') {
622 sign = -1;
623 str++;
624 }
625
626 while(isdigitW(*str)) {
627 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
628 e = INT_MAX;
629 }
630 e *= sign;
631
632 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
633 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
634 else exp += e;
635 }
636
637 SysFreeString(val_str);
638
639 if(ret_nan) {
640 if(retv)
641 num_set_nan(retv);
642 return S_OK;
643 }
644
645 V_VT(retv) = VT_R8;
646 V_R8(retv) = (double)(positive?d:-d)*pow(10, exp);
647 return S_OK;
648 }
649
650 static inline int hex_to_int(const WCHAR wch) {
651 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
652 if(isdigitW(wch)) return wch-'0';
653 return -1;
654 }
655
656 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
657 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
658 {
659 BSTR ret, str;
660 const WCHAR *ptr;
661 DWORD len = 0;
662 HRESULT hres;
663
664 TRACE("\n");
665
666 if(!arg_cnt(dp)) {
667 if(retv) {
668 ret = SysAllocString(undefinedW);
669 if(!ret)
670 return E_OUTOFMEMORY;
671
672 V_VT(retv) = VT_BSTR;
673 V_BSTR(retv) = ret;
674 }
675
676 return S_OK;
677 }
678
679 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
680 if(FAILED(hres))
681 return hres;
682
683 for(ptr=str; *ptr; ptr++) {
684 if(*ptr == '%') {
685 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
686 ptr += 2;
687 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
688 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
689 ptr += 5;
690 }
691
692 len++;
693 }
694
695 ret = SysAllocStringLen(NULL, len);
696 if(!ret) {
697 SysFreeString(str);
698 return E_OUTOFMEMORY;
699 }
700
701 len = 0;
702 for(ptr=str; *ptr; ptr++) {
703 if(*ptr == '%') {
704 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
705 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
706 ptr += 2;
707 }
708 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
709 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
710 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
711 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
712 ptr += 5;
713 }
714 else
715 ret[len] = *ptr;
716 }
717 else
718 ret[len] = *ptr;
719
720 len++;
721 }
722
723 SysFreeString(str);
724
725 if(retv) {
726 V_VT(retv) = VT_BSTR;
727 V_BSTR(retv) = ret;
728 }
729 else
730 SysFreeString(ret);
731
732 return S_OK;
733 }
734
735 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
736 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
737 {
738 FIXME("\n");
739 return E_NOTIMPL;
740 }
741
742 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
743 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
744 {
745 FIXME("\n");
746 return E_NOTIMPL;
747 }
748
749 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
750 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
751 {
752 FIXME("\n");
753 return E_NOTIMPL;
754 }
755
756 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
757 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
758 {
759 FIXME("\n");
760 return E_NOTIMPL;
761 }
762
763 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
764 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
765 {
766 FIXME("\n");
767 return E_NOTIMPL;
768 }
769
770 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
771 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
772 {
773 FIXME("\n");
774 return E_NOTIMPL;
775 }
776
777 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
778 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
779 {
780 const WCHAR *ptr;
781 DWORD len = 0, i;
782 char buf[4];
783 BSTR str, ret;
784 WCHAR *rptr;
785 HRESULT hres;
786
787 TRACE("\n");
788
789 if(!arg_cnt(dp)) {
790 if(retv) {
791 ret = SysAllocString(undefinedW);
792 if(!ret)
793 return E_OUTOFMEMORY;
794
795 V_VT(retv) = VT_BSTR;
796 V_BSTR(retv) = ret;
797 }
798
799 return S_OK;
800 }
801
802 hres = to_string(ctx, get_arg(dp,0), ei, &str);
803 if(FAILED(hres))
804 return hres;
805
806 for(ptr = str; *ptr; ptr++) {
807 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
808 len++;
809 }else {
810 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
811 if(!i) {
812 SysFreeString(str);
813 return throw_uri_error(ctx, ei, IDS_URI_INVALID_CHAR, NULL);
814 }
815
816 len += i;
817 }
818 }
819
820 rptr = ret = SysAllocStringLen(NULL, len);
821 if(!ret) {
822 SysFreeString(str);
823 return E_OUTOFMEMORY;
824 }
825
826 for(ptr = str; *ptr; ptr++) {
827 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
828 *rptr++ = *ptr;
829 }else {
830 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
831 for(i=0; i<len; i++) {
832 *rptr++ = '%';
833 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
834 *rptr++ = int_to_char(buf[i] & 0x0f);
835 }
836 }
837 }
838
839 SysFreeString(str);
840
841 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
842 if(retv) {
843 V_VT(retv) = VT_BSTR;
844 V_BSTR(retv) = ret;
845 }else {
846 SysFreeString(ret);
847 }
848 return S_OK;
849 }
850
851 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
852 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
853 {
854 FIXME("\n");
855 return E_NOTIMPL;
856 }
857
858 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
859 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
860 {
861 BSTR str, ret;
862 char buf[4];
863 const WCHAR *ptr;
864 DWORD len = 0, size, i;
865 HRESULT hres;
866
867 TRACE("\n");
868
869 if(!arg_cnt(dp)) {
870 if(retv) {
871 ret = SysAllocString(undefinedW);
872 if(!ret)
873 return E_OUTOFMEMORY;
874
875 V_VT(retv) = VT_BSTR;
876 V_BSTR(retv) = ret;
877 }
878
879 return S_OK;
880 }
881
882 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
883 if(FAILED(hres))
884 return hres;
885
886 for(ptr=str; *ptr; ptr++) {
887 if(is_uri_unescaped(*ptr))
888 len++;
889 else {
890 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
891 if(!size) {
892 SysFreeString(str);
893 FIXME("throw Error\n");
894 return E_FAIL;
895 }
896 len += size*3;
897 }
898 }
899
900 ret = SysAllocStringLen(NULL, len);
901 if(!ret) {
902 SysFreeString(str);
903 return E_OUTOFMEMORY;
904 }
905
906 len = 0;
907 for(ptr=str; *ptr; ptr++) {
908 if(is_uri_unescaped(*ptr))
909 ret[len++] = *ptr;
910 else {
911 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
912 for(i=0; i<size; i++) {
913 ret[len++] = '%';
914 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
915 ret[len++] = int_to_char(buf[i] & 0x0f);
916 }
917 }
918 }
919
920 SysFreeString(str);
921
922 if(retv) {
923 V_VT(retv) = VT_BSTR;
924 V_BSTR(retv) = ret;
925 } else {
926 SysFreeString(ret);
927 }
928
929 return S_OK;
930 }
931
932 /* ECMA-262 3rd Edition 15.1.3.2 */
933 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
934 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
935 {
936 BSTR str, ret;
937 const WCHAR *ptr;
938 WCHAR *out_ptr;
939 DWORD len = 0;
940 HRESULT hres;
941
942 TRACE("\n");
943
944 if(!arg_cnt(dp)) {
945 if(retv) {
946 ret = SysAllocString(undefinedW);
947 if(!ret)
948 return E_OUTOFMEMORY;
949
950 V_VT(retv) = VT_BSTR;
951 V_BSTR(retv) = ret;
952 }
953
954 return S_OK;
955 }
956
957 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
958 if(FAILED(hres))
959 return hres;
960
961 ptr = str;
962 while(*ptr) {
963 if(*ptr == '%') {
964 char octets[4];
965 unsigned char mask = 0x80;
966 int i, size, num_bytes = 0;
967 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
968 FIXME("Throw URIError: Invalid hex sequence\n");
969 SysFreeString(str);
970 return E_FAIL;
971 }
972 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
973 ptr += 3;
974 while(octets[0] & mask) {
975 mask = mask >> 1;
976 ++num_bytes;
977 }
978 if(num_bytes == 1 || num_bytes > 4) {
979 FIXME("Throw URIError: Invalid initial UTF character\n");
980 SysFreeString(str);
981 return E_FAIL;
982 }
983 for(i = 1; i < num_bytes; ++i) {
984 if(*ptr != '%'){
985 FIXME("Throw URIError: Incomplete UTF sequence\n");
986 SysFreeString(str);
987 return E_FAIL;
988 }
989 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
990 FIXME("Throw URIError: Invalid hex sequence\n");
991 SysFreeString(str);
992 return E_FAIL;
993 }
994 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
995 ptr += 3;
996 }
997 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
998 num_bytes ? num_bytes : 1, NULL, 0);
999 if(size == 0) {
1000 FIXME("Throw URIError: Invalid UTF sequence\n");
1001 SysFreeString(str);
1002 return E_FAIL;
1003 }
1004 len += size;
1005 }else {
1006 ++ptr;
1007 ++len;
1008 }
1009 }
1010
1011 out_ptr = ret = SysAllocStringLen(NULL, len);
1012 if(!ret) {
1013 SysFreeString(str);
1014 return E_OUTOFMEMORY;
1015 }
1016
1017 ptr = str;
1018 while(*ptr) {
1019 if(*ptr == '%') {
1020 char octets[4];
1021 unsigned char mask = 0x80;
1022 int i, size, num_bytes = 0;
1023 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1024 ptr += 3;
1025 while(octets[0] & mask) {
1026 mask = mask >> 1;
1027 ++num_bytes;
1028 }
1029 for(i = 1; i < num_bytes; ++i) {
1030 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1031 ptr += 3;
1032 }
1033 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1034 num_bytes ? num_bytes : 1, out_ptr, len);
1035 len -= size;
1036 out_ptr += size;
1037 }else {
1038 *out_ptr++ = *ptr++;
1039 --len;
1040 }
1041 }
1042
1043 SysFreeString(str);
1044
1045 if(retv) {
1046 V_VT(retv) = VT_BSTR;
1047 V_BSTR(retv) = ret;
1048 }else {
1049 SysFreeString(ret);
1050 }
1051
1052 return S_OK;
1053 }
1054
1055 static const builtin_prop_t JSGlobal_props[] = {
1056 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1057 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1058 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1059 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1060 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1061 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1062 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1063 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1064 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1065 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1066 {InfinityW, JSGlobal_Infinity, 0},
1067 /* {MathW, JSGlobal_Math, 0}, */
1068 {NaNW, JSGlobal_NaN, 0},
1069 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1070 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1071 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1072 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1073 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1074 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1075 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1076 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1077 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1078 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1079 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1080 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1081 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1082 {VBArrayW, JSGlobal_VBArray, PROPF_METHOD|1},
1083 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1084 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1085 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1086 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1087 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1088 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1089 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1090 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1091 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1092 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1093 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1094 };
1095
1096 static const builtin_info_t JSGlobal_info = {
1097 JSCLASS_GLOBAL,
1098 {NULL, NULL, 0},
1099 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1100 JSGlobal_props,
1101 NULL,
1102 NULL
1103 };
1104
1105 static HRESULT init_constructors(script_ctx_t *ctx, DispatchEx *object_prototype)
1106 {
1107 HRESULT hres;
1108
1109 hres = init_function_constr(ctx, object_prototype);
1110 if(FAILED(hres))
1111 return hres;
1112
1113 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1114 if(FAILED(hres))
1115 return hres;
1116
1117 hres = create_activex_constr(ctx, &ctx->activex_constr);
1118 if(FAILED(hres))
1119 return hres;
1120
1121 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1122 if(FAILED(hres))
1123 return hres;
1124
1125 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1126 if(FAILED(hres))
1127 return hres;
1128
1129 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1130 if(FAILED(hres))
1131 return hres;
1132
1133 hres = init_error_constr(ctx, object_prototype);
1134 if(FAILED(hres))
1135 return hres;
1136
1137 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1138 if(FAILED(hres))
1139 return hres;
1140
1141 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1142 if(FAILED(hres))
1143 return hres;
1144
1145 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1146 if(FAILED(hres))
1147 return hres;
1148
1149 return S_OK;
1150 }
1151
1152 HRESULT init_global(script_ctx_t *ctx)
1153 {
1154 DispatchEx *math, *object_prototype;
1155 VARIANT var;
1156 HRESULT hres;
1157
1158 if(ctx->global)
1159 return S_OK;
1160
1161 hres = create_object_prototype(ctx, &object_prototype);
1162 if(FAILED(hres))
1163 return hres;
1164
1165 hres = init_constructors(ctx, object_prototype);
1166 jsdisp_release(object_prototype);
1167 if(FAILED(hres))
1168 return hres;
1169
1170 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1171 if(FAILED(hres))
1172 return hres;
1173
1174 hres = create_math(ctx, &math);
1175 if(FAILED(hres))
1176 return hres;
1177
1178 V_VT(&var) = VT_EMPTY;
1179 hres = jsdisp_propput_name(ctx->global, undefinedW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1180 if(FAILED(hres))
1181 return hres;
1182
1183 V_VT(&var) = VT_DISPATCH;
1184 V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(math);
1185 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1186 jsdisp_release(math);
1187
1188 return hres;
1189 }
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