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mshtml.idl: Added IHTMLTableCell declaration.
[wine/multimedia.git] / dlls / jscript / global.c
blobd0b7a9bb10bd2c22447970c5594e763f577c76cb
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 nonblank 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, DISPPARAMS *dp,
117 VARIANT *retv, jsexcept_t *ei)
118 {
119 if(flags != DISPATCH_PROPERTYGET)
120 return jsdisp_call_value(constr, flags, dp, 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, DISPPARAMS *dp,
128 VARIANT *retv, jsexcept_t *ei)
129 {
130 TRACE("\n");
131
132 return constructor_call(ctx->array_constr, flags, dp, retv, ei);
133 }
134
135 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
136 VARIANT *retv, jsexcept_t *ei)
137 {
138 TRACE("\n");
139
140 return constructor_call(ctx->bool_constr, flags, dp, retv, ei);
141 }
142
143 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
144 VARIANT *retv, jsexcept_t *ei)
145 {
146 TRACE("\n");
147
148 return constructor_call(ctx->date_constr, flags, dp, retv, ei);
149 }
150
151 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
152 VARIANT *retv, jsexcept_t *ei)
153 {
154 TRACE("\n");
155
156 return constructor_call(ctx->error_constr, flags, dp, retv, ei);
157 }
158
159 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
160 VARIANT *retv, jsexcept_t *ei)
161 {
162 TRACE("\n");
163
164 return constructor_call(ctx->eval_error_constr, flags, dp, retv, ei);
165 }
166
167 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
168 VARIANT *retv, jsexcept_t *ei)
169 {
170 TRACE("\n");
171
172 return constructor_call(ctx->range_error_constr, flags, dp, retv, ei);
173 }
174
175 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
176 VARIANT *retv, jsexcept_t *ei)
177 {
178 TRACE("\n");
179
180 return constructor_call(ctx->reference_error_constr, flags, dp, retv, ei);
181 }
182
183 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
184 VARIANT *retv, jsexcept_t *ei)
185 {
186 TRACE("\n");
187
188 return constructor_call(ctx->syntax_error_constr, flags, dp, retv, ei);
189 }
190
191 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
192 VARIANT *retv, jsexcept_t *ei)
193 {
194 TRACE("\n");
195
196 return constructor_call(ctx->type_error_constr, flags, dp, retv, ei);
197 }
198
199 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
200 VARIANT *retv, jsexcept_t *ei)
201 {
202 TRACE("\n");
203
204 return constructor_call(ctx->uri_error_constr, flags, dp, retv, ei);
205 }
206
207 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
208 VARIANT *retv, jsexcept_t *ei)
209 {
210 TRACE("\n");
211
212 return constructor_call(ctx->function_constr, flags, dp, retv, ei);
213 }
214
215 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
216 VARIANT *retv, jsexcept_t *ei)
217 {
218 TRACE("\n");
219
220 return constructor_call(ctx->number_constr, flags, dp, retv, ei);
221 }
222
223 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
224 VARIANT *retv, jsexcept_t *ei)
225 {
226 TRACE("\n");
227
228 return constructor_call(ctx->object_constr, flags, dp, retv, ei);
229 }
230
231 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
232 VARIANT *retv, jsexcept_t *ei)
233 {
234 TRACE("\n");
235
236 return constructor_call(ctx->string_constr, flags, dp, retv, ei);
237 }
238
239 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
240 VARIANT *retv, jsexcept_t *ei)
241 {
242 TRACE("\n");
243
244 return constructor_call(ctx->regexp_constr, flags, dp, retv, ei);
245 }
246
247 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
248 VARIANT *retv, jsexcept_t *ei)
249 {
250 TRACE("\n");
251
252 return constructor_call(ctx->activex_constr, flags, dp, retv, ei);
253 }
254
255 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
256 VARIANT *retv, jsexcept_t *ei)
257 {
258 TRACE("\n");
259
260 return constructor_call(ctx->vbarray_constr, flags, dp, retv, ei);
261 }
262
263 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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, DISPPARAMS *dp,
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(!arg_cnt(dp)) {
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, get_arg(dp, 0), 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, DISPPARAMS *dp,
345 VARIANT *retv, jsexcept_t *ei)
346 {
347 bytecode_t *code;
348 VARIANT *arg;
349 HRESULT hres;
350
351 TRACE("\n");
352
353 if(!arg_cnt(dp)) {
354 if(retv)
355 V_VT(retv) = VT_EMPTY;
356 return S_OK;
357 }
358
359 arg = get_arg(dp, 0);
360 if(V_VT(arg) != VT_BSTR) {
361 if(retv) {
362 V_VT(retv) = VT_EMPTY;
363 return VariantCopy(retv, arg);
364 }
365 return S_OK;
366 }
367
368 if(!ctx->exec_ctx) {
369 FIXME("No active exec_ctx\n");
370 return E_UNEXPECTED;
371 }
372
373 TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
374 hres = compile_script(ctx, V_BSTR(arg), NULL, TRUE, FALSE, &code);
375 if(FAILED(hres)) {
376 WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(arg)), hres);
377 return throw_syntax_error(ctx, ei, hres, NULL);
378 }
379
380 hres = exec_source(ctx->exec_ctx, code, code->parser->source, TRUE, ei, retv);
381
382 release_bytecode(code);
383 return hres;
384 }
385
386 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
387 VARIANT *retv, jsexcept_t *ei)
388 {
389 VARIANT_BOOL ret = VARIANT_TRUE;
390 double n;
391 HRESULT hres;
392
393 TRACE("\n");
394
395 if(arg_cnt(dp)) {
396 hres = to_number(ctx, get_arg(dp,0), ei, &n);
397 if(FAILED(hres))
398 return hres;
399
400 if(!isnan(n))
401 ret = VARIANT_FALSE;
402 }
403
404 if(retv) {
405 V_VT(retv) = VT_BOOL;
406 V_BOOL(retv) = ret;
407 }
408 return S_OK;
409 }
410
411 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
412 VARIANT *retv, jsexcept_t *ei)
413 {
414 VARIANT_BOOL ret = VARIANT_FALSE;
415 HRESULT hres;
416
417 TRACE("\n");
418
419 if(arg_cnt(dp)) {
420 double n;
421
422 hres = to_number(ctx, get_arg(dp,0), ei, &n);
423 if(FAILED(hres))
424 return hres;
425
426 if(!isinf(n) && !isnan(n))
427 ret = VARIANT_TRUE;
428 }
429
430 if(retv) {
431 V_VT(retv) = VT_BOOL;
432 V_BOOL(retv) = ret;
433 }
434 return S_OK;
435 }
436
437 static INT char_to_int(WCHAR c)
438 {
439 if('0' <= c && c <= '9')
440 return c - '0';
441 if('a' <= c && c <= 'z')
442 return c - 'a' + 10;
443 if('A' <= c && c <= 'Z')
444 return c - 'A' + 10;
445 return 100;
446 }
447
448 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
449 VARIANT *retv, jsexcept_t *ei)
450 {
451 BOOL neg = FALSE, empty = TRUE;
452 DOUBLE ret = 0.0;
453 INT radix=0, i;
454 WCHAR *ptr;
455 BSTR str;
456 HRESULT hres;
457
458 if(!arg_cnt(dp)) {
459 if(retv) num_set_nan(retv);
460 return S_OK;
461 }
462
463 if(arg_cnt(dp) >= 2) {
464 hres = to_int32(ctx, get_arg(dp, 1), ei, &radix);
465 if(FAILED(hres))
466 return hres;
467
468 if(radix && (radix < 2 || radix > 36)) {
469 WARN("radix %d out of range\n", radix);
470 if(retv)
471 num_set_nan(retv);
472 return S_OK;
473 }
474 }
475
476 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
477 if(FAILED(hres))
478 return hres;
479
480 for(ptr = str; isspaceW(*ptr); ptr++);
481
482 switch(*ptr) {
483 case '+':
484 ptr++;
485 break;
486 case '-':
487 neg = TRUE;
488 ptr++;
489 break;
490 }
491
492 if(!radix) {
493 if(*ptr == '0') {
494 if(ptr[1] == 'x' || ptr[1] == 'X') {
495 radix = 16;
496 ptr += 2;
497 }else {
498 radix = 8;
499 ptr++;
500 empty = FALSE;
501 }
502 }else {
503 radix = 10;
504 }
505 }
506
507 i = char_to_int(*ptr++);
508 if(i < radix) {
509 do {
510 ret = ret*radix + i;
511 i = char_to_int(*ptr++);
512 }while(i < radix);
513 }else if(empty) {
514 ret = ret_nan();
515 }
516
517 SysFreeString(str);
518
519 if(neg)
520 ret = -ret;
521
522 if(retv)
523 num_set_val(retv, ret);
524 return S_OK;
525 }
526
527 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
528 VARIANT *retv, jsexcept_t *ei)
529 {
530 LONGLONG d = 0, hlp;
531 int exp = 0;
532 VARIANT *arg;
533 WCHAR *str;
534 BSTR val_str = NULL;
535 BOOL ret_nan = TRUE, positive = TRUE;
536 HRESULT hres;
537
538 if(!arg_cnt(dp)) {
539 if(retv)
540 num_set_nan(retv);
541 return S_OK;
542 }
543
544 arg = get_arg(dp, 0);
545 hres = to_string(ctx, arg, ei, &val_str);
546 if(FAILED(hres))
547 return hres;
548
549 str = val_str;
550
551 while(isspaceW(*str)) str++;
552
553 if(*str == '+')
554 str++;
555 else if(*str == '-') {
556 positive = FALSE;
557 str++;
558 }
559
560 if(isdigitW(*str))
561 ret_nan = FALSE;
562
563 while(isdigitW(*str)) {
564 hlp = d*10 + *(str++) - '0';
565 if(d>LONGLONG_MAX/10 || hlp<0) {
566 exp++;
567 break;
568 }
569 else
570 d = hlp;
571 }
572 while(isdigitW(*str)) {
573 exp++;
574 str++;
575 }
576
577 if(*str == '.') str++;
578
579 if(isdigitW(*str))
580 ret_nan = FALSE;
581
582 while(isdigitW(*str)) {
583 hlp = d*10 + *(str++) - '0';
584 if(d>LONGLONG_MAX/10 || hlp<0)
585 break;
586
587 d = hlp;
588 exp--;
589 }
590 while(isdigitW(*str))
591 str++;
592
593 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
594 int sign = 1, e = 0;
595
596 str++;
597 if(*str == '+')
598 str++;
599 else if(*str == '-') {
600 sign = -1;
601 str++;
602 }
603
604 while(isdigitW(*str)) {
605 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
606 e = INT_MAX;
607 }
608 e *= sign;
609
610 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
611 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
612 else exp += e;
613 }
614
615 SysFreeString(val_str);
616
617 if(ret_nan) {
618 if(retv)
619 num_set_nan(retv);
620 return S_OK;
621 }
622
623 V_VT(retv) = VT_R8;
624 V_R8(retv) = (double)(positive?d:-d)*pow(10, exp);
625 return S_OK;
626 }
627
628 static inline int hex_to_int(const WCHAR wch) {
629 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
630 if(isdigitW(wch)) return wch-'0';
631 return -1;
632 }
633
634 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
635 VARIANT *retv, jsexcept_t *ei)
636 {
637 BSTR ret, str;
638 const WCHAR *ptr;
639 DWORD len = 0;
640 HRESULT hres;
641
642 TRACE("\n");
643
644 if(!arg_cnt(dp)) {
645 if(retv) {
646 ret = SysAllocString(undefinedW);
647 if(!ret)
648 return E_OUTOFMEMORY;
649
650 V_VT(retv) = VT_BSTR;
651 V_BSTR(retv) = ret;
652 }
653
654 return S_OK;
655 }
656
657 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
658 if(FAILED(hres))
659 return hres;
660
661 for(ptr=str; *ptr; ptr++) {
662 if(*ptr == '%') {
663 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
664 ptr += 2;
665 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
666 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
667 ptr += 5;
668 }
669
670 len++;
671 }
672
673 ret = SysAllocStringLen(NULL, len);
674 if(!ret) {
675 SysFreeString(str);
676 return E_OUTOFMEMORY;
677 }
678
679 len = 0;
680 for(ptr=str; *ptr; ptr++) {
681 if(*ptr == '%') {
682 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
683 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
684 ptr += 2;
685 }
686 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
687 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
688 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
689 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
690 ptr += 5;
691 }
692 else
693 ret[len] = *ptr;
694 }
695 else
696 ret[len] = *ptr;
697
698 len++;
699 }
700
701 SysFreeString(str);
702
703 if(retv) {
704 V_VT(retv) = VT_BSTR;
705 V_BSTR(retv) = ret;
706 }
707 else
708 SysFreeString(ret);
709
710 return S_OK;
711 }
712
713 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
714 VARIANT *retv, jsexcept_t *ei)
715 {
716 FIXME("\n");
717 return E_NOTIMPL;
718 }
719
720 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
721 VARIANT *retv, jsexcept_t *ei)
722 {
723 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
724
725 TRACE("\n");
726
727 if(retv) {
728 BSTR ret;
729
730 ret = SysAllocString(JScriptW);
731 if(!ret)
732 return E_OUTOFMEMORY;
733
734 V_VT(retv) = VT_BSTR;
735 V_BSTR(retv) = ret;
736 }
737
738 return S_OK;
739 }
740
741 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
742 VARIANT *retv, jsexcept_t *ei)
743 {
744 TRACE("\n");
745
746 if(retv) {
747 V_VT(retv) = VT_I4;
748 V_I4(retv) = JSCRIPT_MAJOR_VERSION;
749 }
750 return S_OK;
751 }
752
753 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
754 VARIANT *retv, jsexcept_t *ei)
755 {
756 TRACE("\n");
757
758 if(retv) {
759 V_VT(retv) = VT_I4;
760 V_I4(retv) = JSCRIPT_MINOR_VERSION;
761 }
762 return S_OK;
763 }
764
765 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
766 VARIANT *retv, jsexcept_t *ei)
767 {
768 TRACE("\n");
769
770 if(retv) {
771 V_VT(retv) = VT_I4;
772 V_I4(retv) = JSCRIPT_BUILD_VERSION;
773 }
774 return S_OK;
775 }
776
777 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
778 VARIANT *retv, jsexcept_t *ei)
779 {
780 FIXME("\n");
781 return E_NOTIMPL;
782 }
783
784 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
785 VARIANT *retv, jsexcept_t *ei)
786 {
787 const WCHAR *ptr;
788 DWORD len = 0, i;
789 char buf[4];
790 BSTR str, ret;
791 WCHAR *rptr;
792 HRESULT hres;
793
794 TRACE("\n");
795
796 if(!arg_cnt(dp)) {
797 if(retv) {
798 ret = SysAllocString(undefinedW);
799 if(!ret)
800 return E_OUTOFMEMORY;
801
802 V_VT(retv) = VT_BSTR;
803 V_BSTR(retv) = ret;
804 }
805
806 return S_OK;
807 }
808
809 hres = to_string(ctx, get_arg(dp,0), ei, &str);
810 if(FAILED(hres))
811 return hres;
812
813 for(ptr = str; *ptr; ptr++) {
814 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
815 len++;
816 }else {
817 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
818 if(!i) {
819 SysFreeString(str);
820 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
821 }
822
823 len += i;
824 }
825 }
826
827 rptr = ret = SysAllocStringLen(NULL, len);
828 if(!ret) {
829 SysFreeString(str);
830 return E_OUTOFMEMORY;
831 }
832
833 for(ptr = str; *ptr; ptr++) {
834 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
835 *rptr++ = *ptr;
836 }else {
837 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
838 for(i=0; i<len; i++) {
839 *rptr++ = '%';
840 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
841 *rptr++ = int_to_char(buf[i] & 0x0f);
842 }
843 }
844 }
845
846 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
847 SysFreeString(str);
848
849 if(retv) {
850 V_VT(retv) = VT_BSTR;
851 V_BSTR(retv) = ret;
852 }else {
853 SysFreeString(ret);
854 }
855 return S_OK;
856 }
857
858 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
859 VARIANT *retv, jsexcept_t *ei)
860 {
861 BSTR str, ret;
862 WCHAR *ptr;
863 int i, len = 0, val, res;
864 char buf[4];
865 WCHAR out;
866 HRESULT hres;
867
868 TRACE("\n");
869
870 if(!arg_cnt(dp)) {
871 if(retv) {
872 ret = SysAllocString(undefinedW);
873 if(!ret)
874 return E_OUTOFMEMORY;
875
876 V_VT(retv) = VT_BSTR;
877 V_BSTR(retv) = ret;
878 }
879
880 return S_OK;
881 }
882
883 hres = to_string(ctx, get_arg(dp,0), ei, &str);
884 if(FAILED(hres))
885 return hres;
886
887 for(ptr=str; *ptr; ptr++) {
888 if(*ptr != '%') {
889 len++;
890 }else {
891 res = 0;
892 for(i=0; i<4; i++) {
893 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
894 break;
895 val += hex_to_int(ptr[i*3+1])<<4;
896 buf[i] = val;
897
898 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
899 if(res)
900 break;
901 }
902
903 if(!res) {
904 SysFreeString(str);
905 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CODING, NULL);
906 }
907
908 ptr += i*3+2;
909 len++;
910 }
911 }
912
913 ret = SysAllocStringLen(NULL, len);
914 if(!ret) {
915 SysFreeString(str);
916 return E_OUTOFMEMORY;
917 }
918
919 len = 0;
920 for(ptr=str; *ptr; ptr++) {
921 if(*ptr != '%') {
922 ret[len] = *ptr;
923 len++;
924 }else {
925 for(i=0; i<4; i++) {
926 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
927 break;
928 val += hex_to_int(ptr[i*3+1])<<4;
929 buf[i] = val;
930
931 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret+len, 1);
932 if(res)
933 break;
934 }
935
936 ptr += i*3+2;
937 len++;
938 }
939 }
940
941 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
942 SysFreeString(str);
943
944 if(retv) {
945 V_VT(retv) = VT_BSTR;
946 V_BSTR(retv) = ret;
947 }else {
948 SysFreeString(ret);
949 }
950
951 return S_OK;
952 }
953
954 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
955 VARIANT *retv, jsexcept_t *ei)
956 {
957 BSTR str, ret;
958 char buf[4];
959 const WCHAR *ptr;
960 DWORD len = 0, size, i;
961 HRESULT hres;
962
963 TRACE("\n");
964
965 if(!arg_cnt(dp)) {
966 if(retv) {
967 ret = SysAllocString(undefinedW);
968 if(!ret)
969 return E_OUTOFMEMORY;
970
971 V_VT(retv) = VT_BSTR;
972 V_BSTR(retv) = ret;
973 }
974
975 return S_OK;
976 }
977
978 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
979 if(FAILED(hres))
980 return hres;
981
982 for(ptr=str; *ptr; ptr++) {
983 if(is_uri_unescaped(*ptr))
984 len++;
985 else {
986 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
987 if(!size) {
988 SysFreeString(str);
989 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
990 }
991 len += size*3;
992 }
993 }
994
995 ret = SysAllocStringLen(NULL, len);
996 if(!ret) {
997 SysFreeString(str);
998 return E_OUTOFMEMORY;
999 }
1000
1001 len = 0;
1002 for(ptr=str; *ptr; ptr++) {
1003 if(is_uri_unescaped(*ptr))
1004 ret[len++] = *ptr;
1005 else {
1006 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
1007 for(i=0; i<size; i++) {
1008 ret[len++] = '%';
1009 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
1010 ret[len++] = int_to_char(buf[i] & 0x0f);
1011 }
1012 }
1013 }
1014
1015 SysFreeString(str);
1016
1017 if(retv) {
1018 V_VT(retv) = VT_BSTR;
1019 V_BSTR(retv) = ret;
1020 } else {
1021 SysFreeString(ret);
1022 }
1023
1024 return S_OK;
1025 }
1026
1027 /* ECMA-262 3rd Edition 15.1.3.2 */
1028 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1029 VARIANT *retv, jsexcept_t *ei)
1030 {
1031 BSTR str, ret;
1032 const WCHAR *ptr;
1033 WCHAR *out_ptr;
1034 DWORD len = 0;
1035 HRESULT hres;
1036
1037 TRACE("\n");
1038
1039 if(!arg_cnt(dp)) {
1040 if(retv) {
1041 ret = SysAllocString(undefinedW);
1042 if(!ret)
1043 return E_OUTOFMEMORY;
1044
1045 V_VT(retv) = VT_BSTR;
1046 V_BSTR(retv) = ret;
1047 }
1048
1049 return S_OK;
1050 }
1051
1052 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
1053 if(FAILED(hres))
1054 return hres;
1055
1056 ptr = str;
1057 while(*ptr) {
1058 if(*ptr == '%') {
1059 char octets[4];
1060 unsigned char mask = 0x80;
1061 int i, size, num_bytes = 0;
1062 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1063 FIXME("Throw URIError: Invalid hex sequence\n");
1064 SysFreeString(str);
1065 return E_FAIL;
1066 }
1067 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1068 ptr += 3;
1069 while(octets[0] & mask) {
1070 mask = mask >> 1;
1071 ++num_bytes;
1072 }
1073 if(num_bytes == 1 || num_bytes > 4) {
1074 FIXME("Throw URIError: Invalid initial UTF character\n");
1075 SysFreeString(str);
1076 return E_FAIL;
1077 }
1078 for(i = 1; i < num_bytes; ++i) {
1079 if(*ptr != '%'){
1080 FIXME("Throw URIError: Incomplete UTF sequence\n");
1081 SysFreeString(str);
1082 return E_FAIL;
1083 }
1084 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1085 FIXME("Throw URIError: Invalid hex sequence\n");
1086 SysFreeString(str);
1087 return E_FAIL;
1088 }
1089 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1090 ptr += 3;
1091 }
1092 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1093 num_bytes ? num_bytes : 1, NULL, 0);
1094 if(size == 0) {
1095 FIXME("Throw URIError: Invalid UTF sequence\n");
1096 SysFreeString(str);
1097 return E_FAIL;
1098 }
1099 len += size;
1100 }else {
1101 ++ptr;
1102 ++len;
1103 }
1104 }
1105
1106 out_ptr = ret = SysAllocStringLen(NULL, len);
1107 if(!ret) {
1108 SysFreeString(str);
1109 return E_OUTOFMEMORY;
1110 }
1111
1112 ptr = str;
1113 while(*ptr) {
1114 if(*ptr == '%') {
1115 char octets[4];
1116 unsigned char mask = 0x80;
1117 int i, size, num_bytes = 0;
1118 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1119 ptr += 3;
1120 while(octets[0] & mask) {
1121 mask = mask >> 1;
1122 ++num_bytes;
1123 }
1124 for(i = 1; i < num_bytes; ++i) {
1125 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1126 ptr += 3;
1127 }
1128 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1129 num_bytes ? num_bytes : 1, out_ptr, len);
1130 len -= size;
1131 out_ptr += size;
1132 }else {
1133 *out_ptr++ = *ptr++;
1134 --len;
1135 }
1136 }
1137
1138 SysFreeString(str);
1139
1140 if(retv) {
1141 V_VT(retv) = VT_BSTR;
1142 V_BSTR(retv) = ret;
1143 }else {
1144 SysFreeString(ret);
1145 }
1146
1147 return S_OK;
1148 }
1149
1150 static const builtin_prop_t JSGlobal_props[] = {
1151 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1152 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1153 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1154 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1155 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1156 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1157 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1158 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1159 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1160 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1161 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1162 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1163 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1164 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1165 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1166 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1167 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1168 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1169 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1170 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1171 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1172 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1173 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1174 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1175 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1176 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1177 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1178 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1179 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1180 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1181 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1182 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1183 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1184 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1185 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1186 };
1187
1188 static const builtin_info_t JSGlobal_info = {
1189 JSCLASS_GLOBAL,
1190 {NULL, NULL, 0},
1191 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1192 JSGlobal_props,
1193 NULL,
1194 NULL
1195 };
1196
1197 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1198 {
1199 HRESULT hres;
1200
1201 hres = init_function_constr(ctx, object_prototype);
1202 if(FAILED(hres))
1203 return hres;
1204
1205 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1206 if(FAILED(hres))
1207 return hres;
1208
1209 hres = create_activex_constr(ctx, &ctx->activex_constr);
1210 if(FAILED(hres))
1211 return hres;
1212
1213 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1214 if(FAILED(hres))
1215 return hres;
1216
1217 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1218 if(FAILED(hres))
1219 return hres;
1220
1221 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1222 if(FAILED(hres))
1223 return hres;
1224
1225 hres = init_error_constr(ctx, object_prototype);
1226 if(FAILED(hres))
1227 return hres;
1228
1229 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1230 if(FAILED(hres))
1231 return hres;
1232
1233 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1234 if(FAILED(hres))
1235 return hres;
1236
1237 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1238 if(FAILED(hres))
1239 return hres;
1240
1241 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1242 if(FAILED(hres))
1243 return hres;
1244
1245 return S_OK;
1246 }
1247
1248 HRESULT init_global(script_ctx_t *ctx)
1249 {
1250 jsdisp_t *math, *object_prototype;
1251 VARIANT var;
1252 HRESULT hres;
1253
1254 if(ctx->global)
1255 return S_OK;
1256
1257 hres = create_object_prototype(ctx, &object_prototype);
1258 if(FAILED(hres))
1259 return hres;
1260
1261 hres = init_constructors(ctx, object_prototype);
1262 jsdisp_release(object_prototype);
1263 if(FAILED(hres))
1264 return hres;
1265
1266 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1267 if(FAILED(hres))
1268 return hres;
1269
1270 hres = create_math(ctx, &math);
1271 if(FAILED(hres))
1272 return hres;
1273
1274 var_set_jsdisp(&var, math);
1275 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/);
1276 jsdisp_release(math);
1277 if(FAILED(hres))
1278 return hres;
1279
1280 V_VT(&var) = VT_EMPTY;
1281 hres = jsdisp_propput_name(ctx->global, undefinedW, &var, NULL/*FIXME*/);
1282 if(FAILED(hres))
1283 return hres;
1284
1285 num_set_nan(&var);
1286 hres = jsdisp_propput_name(ctx->global, NaNW, &var, NULL/*FIXME*/);
1287 if(FAILED(hres))
1288 return hres;
1289
1290 num_set_inf(&var, TRUE);
1291 hres = jsdisp_propput_name(ctx->global, InfinityW, &var, NULL/*FIXME*/);
1292 return hres;
1293 }
Maarten's multimedia branch