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jscript: Fixed some math API assumption that cause test failures on Solaris.
[wine.git] / dlls / jscript / global.c
blob24698ac2e41c9f8c17f0973b2be2cb39f2e089ab
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(jsdisp_t *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 jsdisp_addref(constr);
116 var_set_jsdisp(retv, constr);
117 return S_OK;
118 }
119
120 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
121 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
122 {
123 TRACE("\n");
124
125 return constructor_call(ctx->array_constr, flags, dp, retv, ei, sp);
126 }
127
128 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
129 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
130 {
131 TRACE("\n");
132
133 return constructor_call(ctx->bool_constr, flags, dp, retv, ei, sp);
134 }
135
136 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
137 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
138 {
139 TRACE("\n");
140
141 return constructor_call(ctx->date_constr, flags, dp, retv, ei, sp);
142 }
143
144 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
145 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
146 {
147 TRACE("\n");
148
149 return constructor_call(ctx->error_constr, flags, dp, retv, ei, sp);
150 }
151
152 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
153 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
154 {
155 TRACE("\n");
156
157 return constructor_call(ctx->eval_error_constr, flags, dp, retv, ei, sp);
158 }
159
160 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
161 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
162 {
163 TRACE("\n");
164
165 return constructor_call(ctx->range_error_constr, flags, dp, retv, ei, sp);
166 }
167
168 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
169 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
170 {
171 TRACE("\n");
172
173 return constructor_call(ctx->reference_error_constr, flags, dp, retv, ei, sp);
174 }
175
176 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
177 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
178 {
179 TRACE("\n");
180
181 return constructor_call(ctx->syntax_error_constr, flags, dp, retv, ei, sp);
182 }
183
184 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
185 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
186 {
187 TRACE("\n");
188
189 return constructor_call(ctx->type_error_constr, flags, dp, retv, ei, sp);
190 }
191
192 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
193 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
194 {
195 TRACE("\n");
196
197 return constructor_call(ctx->uri_error_constr, flags, dp, retv, ei, sp);
198 }
199
200 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
201 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
202 {
203 TRACE("\n");
204
205 return constructor_call(ctx->function_constr, flags, dp, retv, ei, sp);
206 }
207
208 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
209 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
210 {
211 TRACE("\n");
212
213 return constructor_call(ctx->number_constr, flags, dp, retv, ei, sp);
214 }
215
216 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
217 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
218 {
219 TRACE("\n");
220
221 return constructor_call(ctx->object_constr, flags, dp, retv, ei, sp);
222 }
223
224 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
225 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
226 {
227 TRACE("\n");
228
229 return constructor_call(ctx->string_constr, flags, dp, retv, ei, sp);
230 }
231
232 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
233 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
234 {
235 TRACE("\n");
236
237 return constructor_call(ctx->regexp_constr, flags, dp, retv, ei, sp);
238 }
239
240 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
241 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
242 {
243 TRACE("\n");
244
245 return constructor_call(ctx->activex_constr, flags, dp, retv, ei, sp);
246 }
247
248 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
249 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
250 {
251 TRACE("\n");
252
253 return constructor_call(ctx->vbarray_constr, flags, dp, retv, ei, sp);
254 }
255
256 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
257 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
258 {
259 FIXME("\n");
260 return E_NOTIMPL;
261 }
262
263 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
264 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
265 {
266 BSTR ret, str;
267 const WCHAR *ptr;
268 DWORD len = 0;
269 HRESULT hres;
270
271 TRACE("\n");
272
273 if(!arg_cnt(dp)) {
274 if(retv) {
275 ret = SysAllocString(undefinedW);
276 if(!ret)
277 return E_OUTOFMEMORY;
278
279 V_VT(retv) = VT_BSTR;
280 V_BSTR(retv) = ret;
281 }
282
283 return S_OK;
284 }
285
286 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
287 if(FAILED(hres))
288 return hres;
289
290 for(ptr=str; *ptr; ptr++) {
291 if(*ptr > 0xff)
292 len += 6;
293 else if(isalnum((unsigned char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
294 || *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
295 len++;
296 else
297 len += 3;
298 }
299
300 ret = SysAllocStringLen(NULL, len);
301 if(!ret) {
302 SysFreeString(str);
303 return E_OUTOFMEMORY;
304 }
305
306 len = 0;
307 for(ptr=str; *ptr; ptr++) {
308 if(*ptr > 0xff) {
309 ret[len++] = '%';
310 ret[len++] = 'u';
311 ret[len++] = int_to_char(*ptr >> 12);
312 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
313 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
314 ret[len++] = int_to_char(*ptr & 0xf);
315 }
316 else if(isalnum((char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
317 || *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
318 ret[len++] = *ptr;
319 else {
320 ret[len++] = '%';
321 ret[len++] = int_to_char(*ptr >> 4);
322 ret[len++] = int_to_char(*ptr & 0xf);
323 }
324 }
325
326 SysFreeString(str);
327
328 if(retv) {
329 V_VT(retv) = VT_BSTR;
330 V_BSTR(retv) = ret;
331 }
332 else
333 SysFreeString(ret);
334
335 return S_OK;
336 }
337
338 /* ECMA-262 3rd Edition 15.1.2.1 */
339 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
340 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
341 {
342 parser_ctx_t *parser_ctx;
343 VARIANT *arg;
344 HRESULT hres;
345
346 TRACE("\n");
347
348 if(!arg_cnt(dp)) {
349 if(retv)
350 V_VT(retv) = VT_EMPTY;
351 return S_OK;
352 }
353
354 arg = get_arg(dp, 0);
355 if(V_VT(arg) != VT_BSTR) {
356 if(retv) {
357 V_VT(retv) = VT_EMPTY;
358 return VariantCopy(retv, arg);
359 }
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 TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
369 hres = script_parse(ctx, V_BSTR(arg), NULL, &parser_ctx);
370 if(FAILED(hres)) {
371 WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(arg)), hres);
372 return throw_syntax_error(ctx, ei, hres, NULL);
373 }
374
375 hres = exec_source(ctx->exec_ctx, parser_ctx, parser_ctx->source, TRUE, ei, retv);
376 parser_release(parser_ctx);
377
378 return hres;
379 }
380
381 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
382 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
383 {
384 VARIANT_BOOL ret = VARIANT_FALSE;
385 VARIANT num;
386 HRESULT hres;
387
388 TRACE("\n");
389
390 if(arg_cnt(dp)) {
391 hres = to_number(ctx, get_arg(dp,0), ei, &num);
392 if(FAILED(hres))
393 return hres;
394
395 if(V_VT(&num) == VT_R8 && isnan(V_R8(&num)))
396 ret = VARIANT_TRUE;
397 }else {
398 ret = VARIANT_TRUE;
399 }
400
401 if(retv) {
402 V_VT(retv) = VT_BOOL;
403 V_BOOL(retv) = ret;
404 }
405 return S_OK;
406 }
407
408 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
409 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
410 {
411 VARIANT_BOOL ret = VARIANT_FALSE;
412 HRESULT hres;
413
414 TRACE("\n");
415
416 if(arg_cnt(dp)) {
417 VARIANT num;
418
419 hres = to_number(ctx, get_arg(dp,0), ei, &num);
420 if(FAILED(hres))
421 return hres;
422
423 if(V_VT(&num) != VT_R8 || (!isinf(V_R8(&num)) && !isnan(V_R8(&num))))
424 ret = VARIANT_TRUE;
425 }
426
427 if(retv) {
428 V_VT(retv) = VT_BOOL;
429 V_BOOL(retv) = ret;
430 }
431 return S_OK;
432 }
433
434 static INT char_to_int(WCHAR c)
435 {
436 if('0' <= c && c <= '9')
437 return c - '0';
438 if('a' <= c && c <= 'z')
439 return c - 'a' + 10;
440 if('A' <= c && c <= 'Z')
441 return c - 'A' + 10;
442 return 100;
443 }
444
445 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
446 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
447 {
448 DOUBLE ret = 0.0;
449 INT radix=10, i;
450 WCHAR *ptr;
451 BOOL neg = FALSE;
452 BSTR str;
453 HRESULT hres;
454
455 if(!arg_cnt(dp)) {
456 if(retv) num_set_nan(retv);
457 return S_OK;
458 }
459
460 if(arg_cnt(dp) >= 2) {
461 hres = to_int32(ctx, get_arg(dp, 1), ei, &radix);
462 if(FAILED(hres))
463 return hres;
464
465 if(!radix) {
466 radix = 10;
467 }else if(radix < 2 || radix > 36) {
468 WARN("radix %d out of range\n", radix);
469 return E_FAIL;
470 }
471 }
472
473 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
474 if(FAILED(hres))
475 return hres;
476
477 for(ptr = str; isspaceW(*ptr); ptr++);
478
479 switch(*ptr) {
480 case '+':
481 ptr++;
482 break;
483 case '-':
484 neg = TRUE;
485 ptr++;
486 break;
487 case '0':
488 ptr++;
489 if(*ptr == 'x' || *ptr == 'X') {
490 radix = 16;
491 ptr++;
492 }
493 }
494
495 while(*ptr) {
496 i = char_to_int(*ptr++);
497 if(i > radix)
498 break;
499
500 ret = ret*radix + i;
501 }
502
503 SysFreeString(str);
504
505 if(neg)
506 ret = -ret;
507
508 if(retv)
509 num_set_val(retv, ret);
510 return S_OK;
511 }
512
513 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
514 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
515 {
516 LONGLONG d = 0, hlp;
517 int exp = 0;
518 VARIANT *arg;
519 WCHAR *str;
520 BSTR val_str = NULL;
521 BOOL ret_nan = TRUE, positive = TRUE;
522 HRESULT hres;
523
524 if(!arg_cnt(dp)) {
525 if(retv)
526 num_set_nan(retv);
527 return S_OK;
528 }
529
530 arg = get_arg(dp, 0);
531 hres = to_string(ctx, arg, ei, &val_str);
532 if(FAILED(hres))
533 return hres;
534
535 str = val_str;
536
537 while(isspaceW(*str)) str++;
538
539 if(*str == '+')
540 str++;
541 else if(*str == '-') {
542 positive = FALSE;
543 str++;
544 }
545
546 if(isdigitW(*str))
547 ret_nan = FALSE;
548
549 while(isdigitW(*str)) {
550 hlp = d*10 + *(str++) - '0';
551 if(d>LONGLONG_MAX/10 || hlp<0) {
552 exp++;
553 break;
554 }
555 else
556 d = hlp;
557 }
558 while(isdigitW(*str)) {
559 exp++;
560 str++;
561 }
562
563 if(*str == '.') str++;
564
565 if(isdigitW(*str))
566 ret_nan = FALSE;
567
568 while(isdigitW(*str)) {
569 hlp = d*10 + *(str++) - '0';
570 if(d>LONGLONG_MAX/10 || hlp<0)
571 break;
572
573 d = hlp;
574 exp--;
575 }
576 while(isdigitW(*str))
577 str++;
578
579 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
580 int sign = 1, e = 0;
581
582 str++;
583 if(*str == '+')
584 str++;
585 else if(*str == '-') {
586 sign = -1;
587 str++;
588 }
589
590 while(isdigitW(*str)) {
591 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
592 e = INT_MAX;
593 }
594 e *= sign;
595
596 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
597 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
598 else exp += e;
599 }
600
601 SysFreeString(val_str);
602
603 if(ret_nan) {
604 if(retv)
605 num_set_nan(retv);
606 return S_OK;
607 }
608
609 V_VT(retv) = VT_R8;
610 V_R8(retv) = (double)(positive?d:-d)*pow(10, exp);
611 return S_OK;
612 }
613
614 static inline int hex_to_int(const WCHAR wch) {
615 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
616 if(isdigitW(wch)) return wch-'0';
617 return -1;
618 }
619
620 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
621 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
622 {
623 BSTR ret, str;
624 const WCHAR *ptr;
625 DWORD len = 0;
626 HRESULT hres;
627
628 TRACE("\n");
629
630 if(!arg_cnt(dp)) {
631 if(retv) {
632 ret = SysAllocString(undefinedW);
633 if(!ret)
634 return E_OUTOFMEMORY;
635
636 V_VT(retv) = VT_BSTR;
637 V_BSTR(retv) = ret;
638 }
639
640 return S_OK;
641 }
642
643 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
644 if(FAILED(hres))
645 return hres;
646
647 for(ptr=str; *ptr; ptr++) {
648 if(*ptr == '%') {
649 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
650 ptr += 2;
651 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
652 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
653 ptr += 5;
654 }
655
656 len++;
657 }
658
659 ret = SysAllocStringLen(NULL, len);
660 if(!ret) {
661 SysFreeString(str);
662 return E_OUTOFMEMORY;
663 }
664
665 len = 0;
666 for(ptr=str; *ptr; ptr++) {
667 if(*ptr == '%') {
668 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
669 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
670 ptr += 2;
671 }
672 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
673 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
674 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
675 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
676 ptr += 5;
677 }
678 else
679 ret[len] = *ptr;
680 }
681 else
682 ret[len] = *ptr;
683
684 len++;
685 }
686
687 SysFreeString(str);
688
689 if(retv) {
690 V_VT(retv) = VT_BSTR;
691 V_BSTR(retv) = ret;
692 }
693 else
694 SysFreeString(ret);
695
696 return S_OK;
697 }
698
699 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
700 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
701 {
702 FIXME("\n");
703 return E_NOTIMPL;
704 }
705
706 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
707 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
708 {
709 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
710
711 TRACE("\n");
712
713 if(retv) {
714 BSTR ret;
715
716 ret = SysAllocString(JScriptW);
717 if(!ret)
718 return E_OUTOFMEMORY;
719
720 V_VT(retv) = VT_BSTR;
721 V_BSTR(retv) = ret;
722 }
723
724 return S_OK;
725 }
726
727 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
728 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
729 {
730 TRACE("\n");
731
732 if(retv) {
733 V_VT(retv) = VT_I4;
734 V_I4(retv) = JSCRIPT_MAJOR_VERSION;
735 }
736 return S_OK;
737 }
738
739 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
740 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
741 {
742 TRACE("\n");
743
744 if(retv) {
745 V_VT(retv) = VT_I4;
746 V_I4(retv) = JSCRIPT_MINOR_VERSION;
747 }
748 return S_OK;
749 }
750
751 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
752 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
753 {
754 TRACE("\n");
755
756 if(retv) {
757 V_VT(retv) = VT_I4;
758 V_I4(retv) = JSCRIPT_BUILD_VERSION;
759 }
760 return S_OK;
761 }
762
763 static HRESULT JSGlobal_CollectGarbage(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_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
771 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
772 {
773 const WCHAR *ptr;
774 DWORD len = 0, i;
775 char buf[4];
776 BSTR str, ret;
777 WCHAR *rptr;
778 HRESULT hres;
779
780 TRACE("\n");
781
782 if(!arg_cnt(dp)) {
783 if(retv) {
784 ret = SysAllocString(undefinedW);
785 if(!ret)
786 return E_OUTOFMEMORY;
787
788 V_VT(retv) = VT_BSTR;
789 V_BSTR(retv) = ret;
790 }
791
792 return S_OK;
793 }
794
795 hres = to_string(ctx, get_arg(dp,0), ei, &str);
796 if(FAILED(hres))
797 return hres;
798
799 for(ptr = str; *ptr; ptr++) {
800 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
801 len++;
802 }else {
803 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
804 if(!i) {
805 SysFreeString(str);
806 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
807 }
808
809 len += i;
810 }
811 }
812
813 rptr = ret = SysAllocStringLen(NULL, len);
814 if(!ret) {
815 SysFreeString(str);
816 return E_OUTOFMEMORY;
817 }
818
819 for(ptr = str; *ptr; ptr++) {
820 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
821 *rptr++ = *ptr;
822 }else {
823 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
824 for(i=0; i<len; i++) {
825 *rptr++ = '%';
826 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
827 *rptr++ = int_to_char(buf[i] & 0x0f);
828 }
829 }
830 }
831
832 SysFreeString(str);
833
834 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
835 if(retv) {
836 V_VT(retv) = VT_BSTR;
837 V_BSTR(retv) = ret;
838 }else {
839 SysFreeString(ret);
840 }
841 return S_OK;
842 }
843
844 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
845 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
846 {
847 FIXME("\n");
848 return E_NOTIMPL;
849 }
850
851 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
852 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
853 {
854 BSTR str, ret;
855 char buf[4];
856 const WCHAR *ptr;
857 DWORD len = 0, size, i;
858 HRESULT hres;
859
860 TRACE("\n");
861
862 if(!arg_cnt(dp)) {
863 if(retv) {
864 ret = SysAllocString(undefinedW);
865 if(!ret)
866 return E_OUTOFMEMORY;
867
868 V_VT(retv) = VT_BSTR;
869 V_BSTR(retv) = ret;
870 }
871
872 return S_OK;
873 }
874
875 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
876 if(FAILED(hres))
877 return hres;
878
879 for(ptr=str; *ptr; ptr++) {
880 if(is_uri_unescaped(*ptr))
881 len++;
882 else {
883 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
884 if(!size) {
885 SysFreeString(str);
886 FIXME("throw Error\n");
887 return E_FAIL;
888 }
889 len += size*3;
890 }
891 }
892
893 ret = SysAllocStringLen(NULL, len);
894 if(!ret) {
895 SysFreeString(str);
896 return E_OUTOFMEMORY;
897 }
898
899 len = 0;
900 for(ptr=str; *ptr; ptr++) {
901 if(is_uri_unescaped(*ptr))
902 ret[len++] = *ptr;
903 else {
904 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
905 for(i=0; i<size; i++) {
906 ret[len++] = '%';
907 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
908 ret[len++] = int_to_char(buf[i] & 0x0f);
909 }
910 }
911 }
912
913 SysFreeString(str);
914
915 if(retv) {
916 V_VT(retv) = VT_BSTR;
917 V_BSTR(retv) = ret;
918 } else {
919 SysFreeString(ret);
920 }
921
922 return S_OK;
923 }
924
925 /* ECMA-262 3rd Edition 15.1.3.2 */
926 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
927 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
928 {
929 BSTR str, ret;
930 const WCHAR *ptr;
931 WCHAR *out_ptr;
932 DWORD len = 0;
933 HRESULT hres;
934
935 TRACE("\n");
936
937 if(!arg_cnt(dp)) {
938 if(retv) {
939 ret = SysAllocString(undefinedW);
940 if(!ret)
941 return E_OUTOFMEMORY;
942
943 V_VT(retv) = VT_BSTR;
944 V_BSTR(retv) = ret;
945 }
946
947 return S_OK;
948 }
949
950 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
951 if(FAILED(hres))
952 return hres;
953
954 ptr = str;
955 while(*ptr) {
956 if(*ptr == '%') {
957 char octets[4];
958 unsigned char mask = 0x80;
959 int i, size, num_bytes = 0;
960 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
961 FIXME("Throw URIError: Invalid hex sequence\n");
962 SysFreeString(str);
963 return E_FAIL;
964 }
965 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
966 ptr += 3;
967 while(octets[0] & mask) {
968 mask = mask >> 1;
969 ++num_bytes;
970 }
971 if(num_bytes == 1 || num_bytes > 4) {
972 FIXME("Throw URIError: Invalid initial UTF character\n");
973 SysFreeString(str);
974 return E_FAIL;
975 }
976 for(i = 1; i < num_bytes; ++i) {
977 if(*ptr != '%'){
978 FIXME("Throw URIError: Incomplete UTF sequence\n");
979 SysFreeString(str);
980 return E_FAIL;
981 }
982 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
983 FIXME("Throw URIError: Invalid hex sequence\n");
984 SysFreeString(str);
985 return E_FAIL;
986 }
987 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
988 ptr += 3;
989 }
990 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
991 num_bytes ? num_bytes : 1, NULL, 0);
992 if(size == 0) {
993 FIXME("Throw URIError: Invalid UTF sequence\n");
994 SysFreeString(str);
995 return E_FAIL;
996 }
997 len += size;
998 }else {
999 ++ptr;
1000 ++len;
1001 }
1002 }
1003
1004 out_ptr = ret = SysAllocStringLen(NULL, len);
1005 if(!ret) {
1006 SysFreeString(str);
1007 return E_OUTOFMEMORY;
1008 }
1009
1010 ptr = str;
1011 while(*ptr) {
1012 if(*ptr == '%') {
1013 char octets[4];
1014 unsigned char mask = 0x80;
1015 int i, size, num_bytes = 0;
1016 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1017 ptr += 3;
1018 while(octets[0] & mask) {
1019 mask = mask >> 1;
1020 ++num_bytes;
1021 }
1022 for(i = 1; i < num_bytes; ++i) {
1023 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1024 ptr += 3;
1025 }
1026 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1027 num_bytes ? num_bytes : 1, out_ptr, len);
1028 len -= size;
1029 out_ptr += size;
1030 }else {
1031 *out_ptr++ = *ptr++;
1032 --len;
1033 }
1034 }
1035
1036 SysFreeString(str);
1037
1038 if(retv) {
1039 V_VT(retv) = VT_BSTR;
1040 V_BSTR(retv) = ret;
1041 }else {
1042 SysFreeString(ret);
1043 }
1044
1045 return S_OK;
1046 }
1047
1048 static const builtin_prop_t JSGlobal_props[] = {
1049 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1050 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1051 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1052 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1053 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1054 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1055 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1056 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1057 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1058 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1059 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1060 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1061 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1062 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1063 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1064 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1065 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1066 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1067 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1068 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1069 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1070 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1071 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1072 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1073 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1074 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1075 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1076 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1077 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1078 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1079 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1080 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1081 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1082 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1083 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1084 };
1085
1086 static const builtin_info_t JSGlobal_info = {
1087 JSCLASS_GLOBAL,
1088 {NULL, NULL, 0},
1089 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1090 JSGlobal_props,
1091 NULL,
1092 NULL
1093 };
1094
1095 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1096 {
1097 HRESULT hres;
1098
1099 hres = init_function_constr(ctx, object_prototype);
1100 if(FAILED(hres))
1101 return hres;
1102
1103 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1104 if(FAILED(hres))
1105 return hres;
1106
1107 hres = create_activex_constr(ctx, &ctx->activex_constr);
1108 if(FAILED(hres))
1109 return hres;
1110
1111 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1112 if(FAILED(hres))
1113 return hres;
1114
1115 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1116 if(FAILED(hres))
1117 return hres;
1118
1119 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1120 if(FAILED(hres))
1121 return hres;
1122
1123 hres = init_error_constr(ctx, object_prototype);
1124 if(FAILED(hres))
1125 return hres;
1126
1127 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1128 if(FAILED(hres))
1129 return hres;
1130
1131 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1132 if(FAILED(hres))
1133 return hres;
1134
1135 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1136 if(FAILED(hres))
1137 return hres;
1138
1139 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1140 if(FAILED(hres))
1141 return hres;
1142
1143 return S_OK;
1144 }
1145
1146 HRESULT init_global(script_ctx_t *ctx)
1147 {
1148 jsdisp_t *math, *object_prototype;
1149 VARIANT var;
1150 HRESULT hres;
1151
1152 if(ctx->global)
1153 return S_OK;
1154
1155 hres = create_object_prototype(ctx, &object_prototype);
1156 if(FAILED(hres))
1157 return hres;
1158
1159 hres = init_constructors(ctx, object_prototype);
1160 jsdisp_release(object_prototype);
1161 if(FAILED(hres))
1162 return hres;
1163
1164 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1165 if(FAILED(hres))
1166 return hres;
1167
1168 hres = create_math(ctx, &math);
1169 if(FAILED(hres))
1170 return hres;
1171
1172 var_set_jsdisp(&var, math);
1173 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1174 jsdisp_release(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 num_set_nan(&var);
1184 hres = jsdisp_propput_name(ctx->global, NaNW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1185 if(FAILED(hres))
1186 return hres;
1187
1188 num_set_inf(&var, TRUE);
1189 hres = jsdisp_propput_name(ctx->global, InfinityW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1190 return hres;
1191 }
Windows API implementation