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quartz: COM cleanup for IAMFilterMiscFlags in VideoRenderer.
[wine/multimedia.git] / dlls / jscript / global.c
blobf50debf63a116181d0ac980f7b8b0c6121fee94c
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 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
103 static inline BOOL is_ecma_nonblank(const WCHAR c)
104 {
105 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
106 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
107 }
108
109 static WCHAR int_to_char(int i)
110 {
111 if(i < 10)
112 return '0'+i;
113 return 'A'+i-10;
114 }
115
116 static HRESULT constructor_call(jsdisp_t *constr, WORD flags, unsigned argc, VARIANT *argv,
117 VARIANT *retv, jsexcept_t *ei)
118 {
119 if(flags != DISPATCH_PROPERTYGET)
120 return jsdisp_call_value(constr, NULL, flags, argc, argv, retv, ei);
121
122 jsdisp_addref(constr);
123 var_set_jsdisp(retv, constr);
124 return S_OK;
125 }
126
127 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
128 VARIANT *retv, jsexcept_t *ei)
129 {
130 TRACE("\n");
131
132 return constructor_call(ctx->array_constr, flags, argc, argv, retv, ei);
133 }
134
135 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
136 VARIANT *retv, jsexcept_t *ei)
137 {
138 TRACE("\n");
139
140 return constructor_call(ctx->bool_constr, flags, argc, argv, retv, ei);
141 }
142
143 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
144 VARIANT *retv, jsexcept_t *ei)
145 {
146 TRACE("\n");
147
148 return constructor_call(ctx->date_constr, flags, argc, argv, retv, ei);
149 }
150
151 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
152 VARIANT *retv, jsexcept_t *ei)
153 {
154 TRACE("\n");
155
156 return constructor_call(ctx->error_constr, flags, argc, argv, retv, ei);
157 }
158
159 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
160 VARIANT *retv, jsexcept_t *ei)
161 {
162 TRACE("\n");
163
164 return constructor_call(ctx->eval_error_constr, flags, argc, argv, retv, ei);
165 }
166
167 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
168 VARIANT *retv, jsexcept_t *ei)
169 {
170 TRACE("\n");
171
172 return constructor_call(ctx->range_error_constr, flags, argc, argv, retv, ei);
173 }
174
175 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
176 VARIANT *retv, jsexcept_t *ei)
177 {
178 TRACE("\n");
179
180 return constructor_call(ctx->reference_error_constr, flags, argc, argv, retv, ei);
181 }
182
183 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
184 VARIANT *retv, jsexcept_t *ei)
185 {
186 TRACE("\n");
187
188 return constructor_call(ctx->syntax_error_constr, flags, argc, argv, retv, ei);
189 }
190
191 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
192 VARIANT *retv, jsexcept_t *ei)
193 {
194 TRACE("\n");
195
196 return constructor_call(ctx->type_error_constr, flags, argc, argv, retv, ei);
197 }
198
199 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
200 VARIANT *retv, jsexcept_t *ei)
201 {
202 TRACE("\n");
203
204 return constructor_call(ctx->uri_error_constr, flags, argc, argv, retv, ei);
205 }
206
207 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
208 VARIANT *retv, jsexcept_t *ei)
209 {
210 TRACE("\n");
211
212 return constructor_call(ctx->function_constr, flags, argc, argv, retv, ei);
213 }
214
215 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
216 VARIANT *retv, jsexcept_t *ei)
217 {
218 TRACE("\n");
219
220 return constructor_call(ctx->number_constr, flags, argc, argv, retv, ei);
221 }
222
223 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
224 VARIANT *retv, jsexcept_t *ei)
225 {
226 TRACE("\n");
227
228 return constructor_call(ctx->object_constr, flags, argc, argv, retv, ei);
229 }
230
231 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
232 VARIANT *retv, jsexcept_t *ei)
233 {
234 TRACE("\n");
235
236 return constructor_call(ctx->string_constr, flags, argc, argv, retv, ei);
237 }
238
239 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
240 VARIANT *retv, jsexcept_t *ei)
241 {
242 TRACE("\n");
243
244 return constructor_call(ctx->regexp_constr, flags, argc, argv, retv, ei);
245 }
246
247 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
248 VARIANT *retv, jsexcept_t *ei)
249 {
250 TRACE("\n");
251
252 return constructor_call(ctx->activex_constr, flags, argc, argv, retv, ei);
253 }
254
255 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
256 VARIANT *retv, jsexcept_t *ei)
257 {
258 TRACE("\n");
259
260 return constructor_call(ctx->vbarray_constr, flags, argc, argv, retv, ei);
261 }
262
263 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
264 VARIANT *retv, jsexcept_t *ei)
265 {
266 FIXME("\n");
267 return E_NOTIMPL;
268 }
269
270 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
271 VARIANT *retv, jsexcept_t *ei)
272 {
273 BSTR ret, str;
274 const WCHAR *ptr;
275 DWORD len = 0;
276 HRESULT hres;
277
278 TRACE("\n");
279
280 if(!argc) {
281 if(retv) {
282 ret = SysAllocString(undefinedW);
283 if(!ret)
284 return E_OUTOFMEMORY;
285
286 V_VT(retv) = VT_BSTR;
287 V_BSTR(retv) = ret;
288 }
289
290 return S_OK;
291 }
292
293 hres = to_string(ctx, argv, ei, &str);
294 if(FAILED(hres))
295 return hres;
296
297 for(ptr=str; *ptr; ptr++) {
298 if(*ptr > 0xff)
299 len += 6;
300 else if(is_ecma_nonblank(*ptr))
301 len++;
302 else
303 len += 3;
304 }
305
306 ret = SysAllocStringLen(NULL, len);
307 if(!ret) {
308 SysFreeString(str);
309 return E_OUTOFMEMORY;
310 }
311
312 len = 0;
313 for(ptr=str; *ptr; ptr++) {
314 if(*ptr > 0xff) {
315 ret[len++] = '%';
316 ret[len++] = 'u';
317 ret[len++] = int_to_char(*ptr >> 12);
318 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
319 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
320 ret[len++] = int_to_char(*ptr & 0xf);
321 }
322 else if(is_ecma_nonblank(*ptr))
323 ret[len++] = *ptr;
324 else {
325 ret[len++] = '%';
326 ret[len++] = int_to_char(*ptr >> 4);
327 ret[len++] = int_to_char(*ptr & 0xf);
328 }
329 }
330
331 SysFreeString(str);
332
333 if(retv) {
334 V_VT(retv) = VT_BSTR;
335 V_BSTR(retv) = ret;
336 }
337 else
338 SysFreeString(ret);
339
340 return S_OK;
341 }
342
343 /* ECMA-262 3rd Edition 15.1.2.1 */
344 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
345 VARIANT *retv, jsexcept_t *ei)
346 {
347 bytecode_t *code;
348 HRESULT hres;
349
350 TRACE("\n");
351
352 if(!argc) {
353 if(retv)
354 V_VT(retv) = VT_EMPTY;
355 return S_OK;
356 }
357
358 if(V_VT(argv) != VT_BSTR) {
359 if(retv) {
360 V_VT(retv) = VT_EMPTY;
361 return VariantCopy(retv, argv);
362 }
363 return S_OK;
364 }
365
366 if(!ctx->exec_ctx) {
367 FIXME("No active exec_ctx\n");
368 return E_UNEXPECTED;
369 }
370
371 TRACE("parsing %s\n", debugstr_w(V_BSTR(argv)));
372 hres = compile_script(ctx, V_BSTR(argv), NULL, TRUE, FALSE, &code);
373 if(FAILED(hres)) {
374 WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(argv)), hres);
375 return throw_syntax_error(ctx, ei, hres, NULL);
376 }
377
378 hres = exec_source(ctx->exec_ctx, code, &code->global_code, TRUE, ei, retv);
379
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, VARIANT *argv,
385 VARIANT *retv, jsexcept_t *ei)
386 {
387 VARIANT_BOOL ret = VARIANT_TRUE;
388 double n;
389 HRESULT hres;
390
391 TRACE("\n");
392
393 if(argc) {
394 hres = to_number(ctx, argv, ei, &n);
395 if(FAILED(hres))
396 return hres;
397
398 if(!isnan(n))
399 ret = VARIANT_FALSE;
400 }
401
402 if(retv) {
403 V_VT(retv) = VT_BOOL;
404 V_BOOL(retv) = ret;
405 }
406 return S_OK;
407 }
408
409 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
410 VARIANT *retv, jsexcept_t *ei)
411 {
412 VARIANT_BOOL ret = VARIANT_FALSE;
413 HRESULT hres;
414
415 TRACE("\n");
416
417 if(argc) {
418 double n;
419
420 hres = to_number(ctx, argv, ei, &n);
421 if(FAILED(hres))
422 return hres;
423
424 if(!isinf(n) && !isnan(n))
425 ret = VARIANT_TRUE;
426 }
427
428 if(retv) {
429 V_VT(retv) = VT_BOOL;
430 V_BOOL(retv) = ret;
431 }
432 return S_OK;
433 }
434
435 static INT char_to_int(WCHAR c)
436 {
437 if('0' <= c && c <= '9')
438 return c - '0';
439 if('a' <= c && c <= 'z')
440 return c - 'a' + 10;
441 if('A' <= c && c <= 'Z')
442 return c - 'A' + 10;
443 return 100;
444 }
445
446 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
447 VARIANT *retv, jsexcept_t *ei)
448 {
449 BOOL neg = FALSE, empty = TRUE;
450 DOUBLE ret = 0.0;
451 INT radix=0, i;
452 WCHAR *ptr;
453 BSTR str;
454 HRESULT hres;
455
456 if(!argc) {
457 if(retv) num_set_val(retv, NAN);
458 return S_OK;
459 }
460
461 if(argc >= 2) {
462 hres = to_int32(ctx, argv+1, ei, &radix);
463 if(FAILED(hres))
464 return hres;
465
466 if(radix && (radix < 2 || radix > 36)) {
467 WARN("radix %d out of range\n", radix);
468 if(retv)
469 num_set_val(retv, NAN);
470 return S_OK;
471 }
472 }
473
474 hres = to_string(ctx, argv, ei, &str);
475 if(FAILED(hres))
476 return hres;
477
478 for(ptr = str; isspaceW(*ptr); ptr++);
479
480 switch(*ptr) {
481 case '+':
482 ptr++;
483 break;
484 case '-':
485 neg = TRUE;
486 ptr++;
487 break;
488 }
489
490 if(!radix) {
491 if(*ptr == '0') {
492 if(ptr[1] == 'x' || ptr[1] == 'X') {
493 radix = 16;
494 ptr += 2;
495 }else {
496 radix = 8;
497 ptr++;
498 empty = FALSE;
499 }
500 }else {
501 radix = 10;
502 }
503 }
504
505 i = char_to_int(*ptr++);
506 if(i < radix) {
507 do {
508 ret = ret*radix + i;
509 i = char_to_int(*ptr++);
510 }while(i < radix);
511 }else if(empty) {
512 ret = NAN;
513 }
514
515 SysFreeString(str);
516
517 if(neg)
518 ret = -ret;
519
520 if(retv)
521 num_set_val(retv, ret);
522 return S_OK;
523 }
524
525 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
526 VARIANT *retv, jsexcept_t *ei)
527 {
528 LONGLONG d = 0, hlp;
529 int exp = 0;
530 WCHAR *str;
531 BSTR val_str = NULL;
532 BOOL ret_nan = TRUE, positive = TRUE;
533 HRESULT hres;
534
535 if(!argc) {
536 if(retv)
537 num_set_val(retv, NAN);
538 return S_OK;
539 }
540
541 hres = to_string(ctx, argv, ei, &val_str);
542 if(FAILED(hres))
543 return hres;
544
545 str = val_str;
546
547 while(isspaceW(*str)) str++;
548
549 if(*str == '+')
550 str++;
551 else if(*str == '-') {
552 positive = FALSE;
553 str++;
554 }
555
556 if(isdigitW(*str))
557 ret_nan = FALSE;
558
559 while(isdigitW(*str)) {
560 hlp = d*10 + *(str++) - '0';
561 if(d>LONGLONG_MAX/10 || hlp<0) {
562 exp++;
563 break;
564 }
565 else
566 d = hlp;
567 }
568 while(isdigitW(*str)) {
569 exp++;
570 str++;
571 }
572
573 if(*str == '.') str++;
574
575 if(isdigitW(*str))
576 ret_nan = FALSE;
577
578 while(isdigitW(*str)) {
579 hlp = d*10 + *(str++) - '0';
580 if(d>LONGLONG_MAX/10 || hlp<0)
581 break;
582
583 d = hlp;
584 exp--;
585 }
586 while(isdigitW(*str))
587 str++;
588
589 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
590 int sign = 1, e = 0;
591
592 str++;
593 if(*str == '+')
594 str++;
595 else if(*str == '-') {
596 sign = -1;
597 str++;
598 }
599
600 while(isdigitW(*str)) {
601 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
602 e = INT_MAX;
603 }
604 e *= sign;
605
606 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
607 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
608 else exp += e;
609 }
610
611 SysFreeString(val_str);
612
613 if(ret_nan) {
614 if(retv)
615 num_set_val(retv, NAN);
616 return S_OK;
617 }
618
619 V_VT(retv) = VT_R8;
620 if(!positive)
621 d = -d;
622 V_R8(retv) = (exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
623 return S_OK;
624 }
625
626 static inline int hex_to_int(const WCHAR wch) {
627 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
628 if(isdigitW(wch)) return wch-'0';
629 return -1;
630 }
631
632 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
633 VARIANT *retv, jsexcept_t *ei)
634 {
635 BSTR ret, str;
636 const WCHAR *ptr;
637 DWORD len = 0;
638 HRESULT hres;
639
640 TRACE("\n");
641
642 if(!argc) {
643 if(retv) {
644 ret = SysAllocString(undefinedW);
645 if(!ret)
646 return E_OUTOFMEMORY;
647
648 V_VT(retv) = VT_BSTR;
649 V_BSTR(retv) = ret;
650 }
651
652 return S_OK;
653 }
654
655 hres = to_string(ctx, argv, ei, &str);
656 if(FAILED(hres))
657 return hres;
658
659 for(ptr=str; *ptr; ptr++) {
660 if(*ptr == '%') {
661 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
662 ptr += 2;
663 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
664 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
665 ptr += 5;
666 }
667
668 len++;
669 }
670
671 ret = SysAllocStringLen(NULL, len);
672 if(!ret) {
673 SysFreeString(str);
674 return E_OUTOFMEMORY;
675 }
676
677 len = 0;
678 for(ptr=str; *ptr; ptr++) {
679 if(*ptr == '%') {
680 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
681 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
682 ptr += 2;
683 }
684 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
685 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
686 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
687 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
688 ptr += 5;
689 }
690 else
691 ret[len] = *ptr;
692 }
693 else
694 ret[len] = *ptr;
695
696 len++;
697 }
698
699 SysFreeString(str);
700
701 if(retv) {
702 V_VT(retv) = VT_BSTR;
703 V_BSTR(retv) = ret;
704 }
705 else
706 SysFreeString(ret);
707
708 return S_OK;
709 }
710
711 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
712 VARIANT *retv, jsexcept_t *ei)
713 {
714 FIXME("\n");
715 return E_NOTIMPL;
716 }
717
718 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
719 VARIANT *retv, jsexcept_t *ei)
720 {
721 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
722
723 TRACE("\n");
724
725 if(retv) {
726 BSTR ret;
727
728 ret = SysAllocString(JScriptW);
729 if(!ret)
730 return E_OUTOFMEMORY;
731
732 V_VT(retv) = VT_BSTR;
733 V_BSTR(retv) = ret;
734 }
735
736 return S_OK;
737 }
738
739 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
740 VARIANT *retv, jsexcept_t *ei)
741 {
742 TRACE("\n");
743
744 if(retv)
745 num_set_int(retv, JSCRIPT_MAJOR_VERSION);
746 return S_OK;
747 }
748
749 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
750 VARIANT *retv, jsexcept_t *ei)
751 {
752 TRACE("\n");
753
754 if(retv)
755 num_set_int(retv, JSCRIPT_MINOR_VERSION);
756 return S_OK;
757 }
758
759 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
760 VARIANT *retv, jsexcept_t *ei)
761 {
762 TRACE("\n");
763
764 if(retv)
765 num_set_int(retv, JSCRIPT_BUILD_VERSION);
766 return S_OK;
767 }
768
769 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
770 VARIANT *retv, jsexcept_t *ei)
771 {
772 FIXME("\n");
773 return E_NOTIMPL;
774 }
775
776 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
777 VARIANT *retv, jsexcept_t *ei)
778 {
779 const WCHAR *ptr;
780 DWORD len = 0, i;
781 char buf[4];
782 BSTR str, ret;
783 WCHAR *rptr;
784 HRESULT hres;
785
786 TRACE("\n");
787
788 if(!argc) {
789 if(retv) {
790 ret = SysAllocString(undefinedW);
791 if(!ret)
792 return E_OUTOFMEMORY;
793
794 V_VT(retv) = VT_BSTR;
795 V_BSTR(retv) = ret;
796 }
797
798 return S_OK;
799 }
800
801 hres = to_string(ctx, argv, ei, &str);
802 if(FAILED(hres))
803 return hres;
804
805 for(ptr = str; *ptr; ptr++) {
806 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
807 len++;
808 }else {
809 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
810 if(!i) {
811 SysFreeString(str);
812 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
813 }
814
815 len += i;
816 }
817 }
818
819 rptr = ret = SysAllocStringLen(NULL, len);
820 if(!ret) {
821 SysFreeString(str);
822 return E_OUTOFMEMORY;
823 }
824
825 for(ptr = str; *ptr; ptr++) {
826 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
827 *rptr++ = *ptr;
828 }else {
829 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
830 for(i=0; i<len; i++) {
831 *rptr++ = '%';
832 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
833 *rptr++ = int_to_char(buf[i] & 0x0f);
834 }
835 }
836 }
837
838 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
839 SysFreeString(str);
840
841 if(retv) {
842 V_VT(retv) = VT_BSTR;
843 V_BSTR(retv) = ret;
844 }else {
845 SysFreeString(ret);
846 }
847 return S_OK;
848 }
849
850 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
851 VARIANT *retv, jsexcept_t *ei)
852 {
853 BSTR str, ret;
854 WCHAR *ptr;
855 int i, len = 0, val, res;
856 char buf[4];
857 WCHAR out;
858 HRESULT hres;
859
860 TRACE("\n");
861
862 if(!argc) {
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, argv, ei, &str);
876 if(FAILED(hres))
877 return hres;
878
879 for(ptr=str; *ptr; ptr++) {
880 if(*ptr != '%') {
881 len++;
882 }else {
883 res = 0;
884 for(i=0; i<4; i++) {
885 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
886 break;
887 val += hex_to_int(ptr[i*3+1])<<4;
888 buf[i] = val;
889
890 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
891 if(res)
892 break;
893 }
894
895 if(!res) {
896 SysFreeString(str);
897 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CODING, NULL);
898 }
899
900 ptr += i*3+2;
901 len++;
902 }
903 }
904
905 ret = SysAllocStringLen(NULL, len);
906 if(!ret) {
907 SysFreeString(str);
908 return E_OUTOFMEMORY;
909 }
910
911 len = 0;
912 for(ptr=str; *ptr; ptr++) {
913 if(*ptr != '%') {
914 ret[len] = *ptr;
915 len++;
916 }else {
917 for(i=0; i<4; i++) {
918 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
919 break;
920 val += hex_to_int(ptr[i*3+1])<<4;
921 buf[i] = val;
922
923 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret+len, 1);
924 if(res)
925 break;
926 }
927
928 ptr += i*3+2;
929 len++;
930 }
931 }
932
933 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
934 SysFreeString(str);
935
936 if(retv) {
937 V_VT(retv) = VT_BSTR;
938 V_BSTR(retv) = ret;
939 }else {
940 SysFreeString(ret);
941 }
942
943 return S_OK;
944 }
945
946 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
947 VARIANT *retv, jsexcept_t *ei)
948 {
949 BSTR str, ret;
950 char buf[4];
951 const WCHAR *ptr;
952 DWORD len = 0, size, i;
953 HRESULT hres;
954
955 TRACE("\n");
956
957 if(!argc) {
958 if(retv) {
959 ret = SysAllocString(undefinedW);
960 if(!ret)
961 return E_OUTOFMEMORY;
962
963 V_VT(retv) = VT_BSTR;
964 V_BSTR(retv) = ret;
965 }
966
967 return S_OK;
968 }
969
970 hres = to_string(ctx, argv, ei, &str);
971 if(FAILED(hres))
972 return hres;
973
974 for(ptr=str; *ptr; ptr++) {
975 if(is_uri_unescaped(*ptr))
976 len++;
977 else {
978 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
979 if(!size) {
980 SysFreeString(str);
981 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
982 }
983 len += size*3;
984 }
985 }
986
987 ret = SysAllocStringLen(NULL, len);
988 if(!ret) {
989 SysFreeString(str);
990 return E_OUTOFMEMORY;
991 }
992
993 len = 0;
994 for(ptr=str; *ptr; ptr++) {
995 if(is_uri_unescaped(*ptr))
996 ret[len++] = *ptr;
997 else {
998 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
999 for(i=0; i<size; i++) {
1000 ret[len++] = '%';
1001 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
1002 ret[len++] = int_to_char(buf[i] & 0x0f);
1003 }
1004 }
1005 }
1006
1007 SysFreeString(str);
1008
1009 if(retv) {
1010 V_VT(retv) = VT_BSTR;
1011 V_BSTR(retv) = ret;
1012 } else {
1013 SysFreeString(ret);
1014 }
1015
1016 return S_OK;
1017 }
1018
1019 /* ECMA-262 3rd Edition 15.1.3.2 */
1020 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
1021 VARIANT *retv, jsexcept_t *ei)
1022 {
1023 BSTR str, ret;
1024 const WCHAR *ptr;
1025 WCHAR *out_ptr;
1026 DWORD len = 0;
1027 HRESULT hres;
1028
1029 TRACE("\n");
1030
1031 if(!argc) {
1032 if(retv) {
1033 ret = SysAllocString(undefinedW);
1034 if(!ret)
1035 return E_OUTOFMEMORY;
1036
1037 V_VT(retv) = VT_BSTR;
1038 V_BSTR(retv) = ret;
1039 }
1040
1041 return S_OK;
1042 }
1043
1044 hres = to_string(ctx, argv, ei, &str);
1045 if(FAILED(hres))
1046 return hres;
1047
1048 ptr = str;
1049 while(*ptr) {
1050 if(*ptr == '%') {
1051 char octets[4];
1052 unsigned char mask = 0x80;
1053 int i, size, num_bytes = 0;
1054 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1055 FIXME("Throw URIError: Invalid hex sequence\n");
1056 SysFreeString(str);
1057 return E_FAIL;
1058 }
1059 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1060 ptr += 3;
1061 while(octets[0] & mask) {
1062 mask = mask >> 1;
1063 ++num_bytes;
1064 }
1065 if(num_bytes == 1 || num_bytes > 4) {
1066 FIXME("Throw URIError: Invalid initial UTF character\n");
1067 SysFreeString(str);
1068 return E_FAIL;
1069 }
1070 for(i = 1; i < num_bytes; ++i) {
1071 if(*ptr != '%'){
1072 FIXME("Throw URIError: Incomplete UTF sequence\n");
1073 SysFreeString(str);
1074 return E_FAIL;
1075 }
1076 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1077 FIXME("Throw URIError: Invalid hex sequence\n");
1078 SysFreeString(str);
1079 return E_FAIL;
1080 }
1081 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1082 ptr += 3;
1083 }
1084 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1085 num_bytes ? num_bytes : 1, NULL, 0);
1086 if(size == 0) {
1087 FIXME("Throw URIError: Invalid UTF sequence\n");
1088 SysFreeString(str);
1089 return E_FAIL;
1090 }
1091 len += size;
1092 }else {
1093 ++ptr;
1094 ++len;
1095 }
1096 }
1097
1098 out_ptr = ret = SysAllocStringLen(NULL, len);
1099 if(!ret) {
1100 SysFreeString(str);
1101 return E_OUTOFMEMORY;
1102 }
1103
1104 ptr = str;
1105 while(*ptr) {
1106 if(*ptr == '%') {
1107 char octets[4];
1108 unsigned char mask = 0x80;
1109 int i, size, num_bytes = 0;
1110 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1111 ptr += 3;
1112 while(octets[0] & mask) {
1113 mask = mask >> 1;
1114 ++num_bytes;
1115 }
1116 for(i = 1; i < num_bytes; ++i) {
1117 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1118 ptr += 3;
1119 }
1120 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1121 num_bytes ? num_bytes : 1, out_ptr, len);
1122 len -= size;
1123 out_ptr += size;
1124 }else {
1125 *out_ptr++ = *ptr++;
1126 --len;
1127 }
1128 }
1129
1130 SysFreeString(str);
1131
1132 if(retv) {
1133 V_VT(retv) = VT_BSTR;
1134 V_BSTR(retv) = ret;
1135 }else {
1136 SysFreeString(ret);
1137 }
1138
1139 return S_OK;
1140 }
1141
1142 static const builtin_prop_t JSGlobal_props[] = {
1143 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1144 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1145 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1146 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1147 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1148 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1149 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1150 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1151 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1152 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1153 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1154 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1155 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1156 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1157 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1158 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1159 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1160 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1161 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1162 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1163 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1164 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1165 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1166 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1167 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1168 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1169 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1170 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1171 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1172 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1173 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1174 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1175 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1176 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1177 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1178 };
1179
1180 static const builtin_info_t JSGlobal_info = {
1181 JSCLASS_GLOBAL,
1182 {NULL, NULL, 0},
1183 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1184 JSGlobal_props,
1185 NULL,
1186 NULL
1187 };
1188
1189 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1190 {
1191 HRESULT hres;
1192
1193 hres = init_function_constr(ctx, object_prototype);
1194 if(FAILED(hres))
1195 return hres;
1196
1197 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1198 if(FAILED(hres))
1199 return hres;
1200
1201 hres = create_activex_constr(ctx, &ctx->activex_constr);
1202 if(FAILED(hres))
1203 return hres;
1204
1205 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1206 if(FAILED(hres))
1207 return hres;
1208
1209 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1210 if(FAILED(hres))
1211 return hres;
1212
1213 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1214 if(FAILED(hres))
1215 return hres;
1216
1217 hres = init_error_constr(ctx, object_prototype);
1218 if(FAILED(hres))
1219 return hres;
1220
1221 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1222 if(FAILED(hres))
1223 return hres;
1224
1225 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1226 if(FAILED(hres))
1227 return hres;
1228
1229 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1230 if(FAILED(hres))
1231 return hres;
1232
1233 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1234 if(FAILED(hres))
1235 return hres;
1236
1237 return S_OK;
1238 }
1239
1240 HRESULT init_global(script_ctx_t *ctx)
1241 {
1242 jsdisp_t *math, *object_prototype;
1243 VARIANT var;
1244 HRESULT hres;
1245
1246 if(ctx->global)
1247 return S_OK;
1248
1249 hres = create_object_prototype(ctx, &object_prototype);
1250 if(FAILED(hres))
1251 return hres;
1252
1253 hres = init_constructors(ctx, object_prototype);
1254 jsdisp_release(object_prototype);
1255 if(FAILED(hres))
1256 return hres;
1257
1258 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1259 if(FAILED(hres))
1260 return hres;
1261
1262 hres = create_math(ctx, &math);
1263 if(FAILED(hres))
1264 return hres;
1265
1266 var_set_jsdisp(&var, math);
1267 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/);
1268 jsdisp_release(math);
1269 if(FAILED(hres))
1270 return hres;
1271
1272 V_VT(&var) = VT_EMPTY;
1273 hres = jsdisp_propput_name(ctx->global, undefinedW, &var, NULL/*FIXME*/);
1274 if(FAILED(hres))
1275 return hres;
1276
1277 num_set_val(&var, NAN);
1278 hres = jsdisp_propput_name(ctx->global, NaNW, &var, NULL/*FIXME*/);
1279 if(FAILED(hres))
1280 return hres;
1281
1282 num_set_val(&var, INFINITY);
1283 hres = jsdisp_propput_name(ctx->global, InfinityW, &var, NULL/*FIXME*/);
1284 return hres;
1285 }
Maarten's multimedia branch