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Add AppDefaults app selection to control panel
[wine/gsoc-2012-control.git] / dlls / jscript / global.c
blob23a36eb98b0799e12c2eeecbffd3cd157029f74d
1 /*
2 * Copyright 2008 Jacek Caban for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <math.h>
23 #include <limits.h>
24
25 #include "jscript.h"
26 #include "engine.h"
27
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
31
32 #define LONGLONG_MAX (((LONGLONG)0x7fffffff<<32)|0xffffffff)
33
34 static const WCHAR NaNW[] = {'N','a','N',0};
35 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
36 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
37 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
38 static const WCHAR DateW[] = {'D','a','t','e',0};
39 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
40 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
41 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
42 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
43 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
44 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
45 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
46 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
47 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
48 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
49 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
50 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
51 static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
52 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
53 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
54 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
55 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
56 static const WCHAR evalW[] = {'e','v','a','l',0};
57 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
58 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
59 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
60 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
61 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
62 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
63 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
64 static const WCHAR ScriptEngineMajorVersionW[] =
65 {'S','c','r','i','p','t','E','n','g','i','n','e','M','a','j','o','r','V','e','r','s','i','o','n',0};
66 static const WCHAR ScriptEngineMinorVersionW[] =
67 {'S','c','r','i','p','t','E','n','g','i','n','e','M','i','n','o','r','V','e','r','s','i','o','n',0};
68 static const WCHAR ScriptEngineBuildVersionW[] =
69 {'S','c','r','i','p','t','E','n','g','i','n','e','B','u','i','l','d','V','e','r','s','i','o','n',0};
70 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
71 static const WCHAR MathW[] = {'M','a','t','h',0};
72 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
73 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
74 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
75 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
76
77 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
78
79 static int uri_char_table[] = {
80 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
81 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
82 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
83 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
84 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
85 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
86 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
87 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
88 };
89
90 /* 1 - reserved */
91 /* 2 - unescaped */
92
93 static inline BOOL is_uri_reserved(WCHAR c)
94 {
95 return c < 128 && uri_char_table[c] == 1;
96 }
97
98 static inline BOOL is_uri_unescaped(WCHAR c)
99 {
100 return c < 128 && uri_char_table[c] == 2;
101 }
102
103 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
104 static inline BOOL is_ecma_nonblank(const WCHAR c)
105 {
106 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
107 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
108 }
109
110 static WCHAR int_to_char(int i)
111 {
112 if(i < 10)
113 return '0'+i;
114 return 'A'+i-10;
115 }
116
117 static HRESULT constructor_call(jsdisp_t *constr, WORD flags, unsigned argc, VARIANT *argv,
118 VARIANT *retv, jsexcept_t *ei)
119 {
120 if(flags != DISPATCH_PROPERTYGET)
121 return jsdisp_call_value(constr, NULL, flags, argc, argv, retv, ei);
122
123 jsdisp_addref(constr);
124 var_set_jsdisp(retv, constr);
125 return S_OK;
126 }
127
128 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
129 VARIANT *retv, jsexcept_t *ei)
130 {
131 TRACE("\n");
132
133 return constructor_call(ctx->array_constr, flags, argc, argv, retv, ei);
134 }
135
136 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
137 VARIANT *retv, jsexcept_t *ei)
138 {
139 TRACE("\n");
140
141 return constructor_call(ctx->bool_constr, flags, argc, argv, retv, ei);
142 }
143
144 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
145 VARIANT *retv, jsexcept_t *ei)
146 {
147 TRACE("\n");
148
149 return constructor_call(ctx->date_constr, flags, argc, argv, retv, ei);
150 }
151
152 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
153 VARIANT *retv, jsexcept_t *ei)
154 {
155 TRACE("\n");
156
157 return constructor_call(ctx->error_constr, flags, argc, argv, retv, ei);
158 }
159
160 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
161 VARIANT *retv, jsexcept_t *ei)
162 {
163 TRACE("\n");
164
165 return constructor_call(ctx->eval_error_constr, flags, argc, argv, retv, ei);
166 }
167
168 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
169 VARIANT *retv, jsexcept_t *ei)
170 {
171 TRACE("\n");
172
173 return constructor_call(ctx->range_error_constr, flags, argc, argv, retv, ei);
174 }
175
176 static HRESULT JSGlobal_RegExpError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
177 VARIANT *retv, jsexcept_t *ei)
178 {
179 TRACE("\n");
180
181 return constructor_call(ctx->regexp_error_constr, flags, argc, argv, retv, ei);
182 }
183
184 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
185 VARIANT *retv, jsexcept_t *ei)
186 {
187 TRACE("\n");
188
189 return constructor_call(ctx->reference_error_constr, flags, argc, argv, retv, ei);
190 }
191
192 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
193 VARIANT *retv, jsexcept_t *ei)
194 {
195 TRACE("\n");
196
197 return constructor_call(ctx->syntax_error_constr, flags, argc, argv, retv, ei);
198 }
199
200 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
201 VARIANT *retv, jsexcept_t *ei)
202 {
203 TRACE("\n");
204
205 return constructor_call(ctx->type_error_constr, flags, argc, argv, retv, ei);
206 }
207
208 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
209 VARIANT *retv, jsexcept_t *ei)
210 {
211 TRACE("\n");
212
213 return constructor_call(ctx->uri_error_constr, flags, argc, argv, retv, ei);
214 }
215
216 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
217 VARIANT *retv, jsexcept_t *ei)
218 {
219 TRACE("\n");
220
221 return constructor_call(ctx->function_constr, flags, argc, argv, retv, ei);
222 }
223
224 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
225 VARIANT *retv, jsexcept_t *ei)
226 {
227 TRACE("\n");
228
229 return constructor_call(ctx->number_constr, flags, argc, argv, retv, ei);
230 }
231
232 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
233 VARIANT *retv, jsexcept_t *ei)
234 {
235 TRACE("\n");
236
237 return constructor_call(ctx->object_constr, flags, argc, argv, retv, ei);
238 }
239
240 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
241 VARIANT *retv, jsexcept_t *ei)
242 {
243 TRACE("\n");
244
245 return constructor_call(ctx->string_constr, flags, argc, argv, retv, ei);
246 }
247
248 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
249 VARIANT *retv, jsexcept_t *ei)
250 {
251 TRACE("\n");
252
253 return constructor_call(ctx->regexp_constr, flags, argc, argv, retv, ei);
254 }
255
256 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
257 VARIANT *retv, jsexcept_t *ei)
258 {
259 TRACE("\n");
260
261 return constructor_call(ctx->activex_constr, flags, argc, argv, retv, ei);
262 }
263
264 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
265 VARIANT *retv, jsexcept_t *ei)
266 {
267 TRACE("\n");
268
269 return constructor_call(ctx->vbarray_constr, flags, argc, argv, retv, ei);
270 }
271
272 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
273 VARIANT *retv, jsexcept_t *ei)
274 {
275 FIXME("\n");
276 return E_NOTIMPL;
277 }
278
279 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
280 VARIANT *retv, jsexcept_t *ei)
281 {
282 BSTR ret, str;
283 const WCHAR *ptr;
284 DWORD len = 0;
285 HRESULT hres;
286
287 TRACE("\n");
288
289 if(!argc) {
290 if(retv) {
291 ret = SysAllocString(undefinedW);
292 if(!ret)
293 return E_OUTOFMEMORY;
294
295 V_VT(retv) = VT_BSTR;
296 V_BSTR(retv) = ret;
297 }
298
299 return S_OK;
300 }
301
302 hres = to_string(ctx, argv, ei, &str);
303 if(FAILED(hres))
304 return hres;
305
306 for(ptr=str; *ptr; ptr++) {
307 if(*ptr > 0xff)
308 len += 6;
309 else if(is_ecma_nonblank(*ptr))
310 len++;
311 else
312 len += 3;
313 }
314
315 ret = SysAllocStringLen(NULL, len);
316 if(!ret) {
317 SysFreeString(str);
318 return E_OUTOFMEMORY;
319 }
320
321 len = 0;
322 for(ptr=str; *ptr; ptr++) {
323 if(*ptr > 0xff) {
324 ret[len++] = '%';
325 ret[len++] = 'u';
326 ret[len++] = int_to_char(*ptr >> 12);
327 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
328 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
329 ret[len++] = int_to_char(*ptr & 0xf);
330 }
331 else if(is_ecma_nonblank(*ptr))
332 ret[len++] = *ptr;
333 else {
334 ret[len++] = '%';
335 ret[len++] = int_to_char(*ptr >> 4);
336 ret[len++] = int_to_char(*ptr & 0xf);
337 }
338 }
339
340 SysFreeString(str);
341
342 if(retv) {
343 V_VT(retv) = VT_BSTR;
344 V_BSTR(retv) = ret;
345 }
346 else
347 SysFreeString(ret);
348
349 return S_OK;
350 }
351
352 /* ECMA-262 3rd Edition 15.1.2.1 */
353 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
354 VARIANT *retv, jsexcept_t *ei)
355 {
356 bytecode_t *code;
357 HRESULT hres;
358
359 TRACE("\n");
360
361 if(!argc) {
362 if(retv)
363 V_VT(retv) = VT_EMPTY;
364 return S_OK;
365 }
366
367 if(V_VT(argv) != VT_BSTR) {
368 if(retv) {
369 V_VT(retv) = VT_EMPTY;
370 return VariantCopy(retv, argv);
371 }
372 return S_OK;
373 }
374
375 if(!ctx->exec_ctx) {
376 FIXME("No active exec_ctx\n");
377 return E_UNEXPECTED;
378 }
379
380 TRACE("parsing %s\n", debugstr_w(V_BSTR(argv)));
381 hres = compile_script(ctx, V_BSTR(argv), NULL, TRUE, FALSE, &code);
382 if(FAILED(hres)) {
383 WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(argv)), hres);
384 return throw_syntax_error(ctx, ei, hres, NULL);
385 }
386
387 hres = exec_source(ctx->exec_ctx, code, &code->global_code, TRUE, ei, retv);
388
389 release_bytecode(code);
390 return hres;
391 }
392
393 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
394 VARIANT *retv, jsexcept_t *ei)
395 {
396 VARIANT_BOOL ret = VARIANT_TRUE;
397 double n;
398 HRESULT hres;
399
400 TRACE("\n");
401
402 if(argc) {
403 hres = to_number(ctx, argv, ei, &n);
404 if(FAILED(hres))
405 return hres;
406
407 if(!isnan(n))
408 ret = VARIANT_FALSE;
409 }
410
411 if(retv) {
412 V_VT(retv) = VT_BOOL;
413 V_BOOL(retv) = ret;
414 }
415 return S_OK;
416 }
417
418 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
419 VARIANT *retv, jsexcept_t *ei)
420 {
421 VARIANT_BOOL ret = VARIANT_FALSE;
422 HRESULT hres;
423
424 TRACE("\n");
425
426 if(argc) {
427 double n;
428
429 hres = to_number(ctx, argv, ei, &n);
430 if(FAILED(hres))
431 return hres;
432
433 if(!isinf(n) && !isnan(n))
434 ret = VARIANT_TRUE;
435 }
436
437 if(retv) {
438 V_VT(retv) = VT_BOOL;
439 V_BOOL(retv) = ret;
440 }
441 return S_OK;
442 }
443
444 static INT char_to_int(WCHAR c)
445 {
446 if('0' <= c && c <= '9')
447 return c - '0';
448 if('a' <= c && c <= 'z')
449 return c - 'a' + 10;
450 if('A' <= c && c <= 'Z')
451 return c - 'A' + 10;
452 return 100;
453 }
454
455 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
456 VARIANT *retv, jsexcept_t *ei)
457 {
458 BOOL neg = FALSE, empty = TRUE;
459 DOUBLE ret = 0.0;
460 INT radix=0, i;
461 WCHAR *ptr;
462 BSTR str;
463 HRESULT hres;
464
465 if(!argc) {
466 if(retv) num_set_val(retv, NAN);
467 return S_OK;
468 }
469
470 if(argc >= 2) {
471 hres = to_int32(ctx, argv+1, ei, &radix);
472 if(FAILED(hres))
473 return hres;
474
475 if(radix && (radix < 2 || radix > 36)) {
476 WARN("radix %d out of range\n", radix);
477 if(retv)
478 num_set_val(retv, NAN);
479 return S_OK;
480 }
481 }
482
483 hres = to_string(ctx, argv, ei, &str);
484 if(FAILED(hres))
485 return hres;
486
487 for(ptr = str; isspaceW(*ptr); ptr++);
488
489 switch(*ptr) {
490 case '+':
491 ptr++;
492 break;
493 case '-':
494 neg = TRUE;
495 ptr++;
496 break;
497 }
498
499 if(!radix) {
500 if(*ptr == '0') {
501 if(ptr[1] == 'x' || ptr[1] == 'X') {
502 radix = 16;
503 ptr += 2;
504 }else {
505 radix = 8;
506 ptr++;
507 empty = FALSE;
508 }
509 }else {
510 radix = 10;
511 }
512 }
513
514 i = char_to_int(*ptr++);
515 if(i < radix) {
516 do {
517 ret = ret*radix + i;
518 i = char_to_int(*ptr++);
519 }while(i < radix);
520 }else if(empty) {
521 ret = NAN;
522 }
523
524 SysFreeString(str);
525
526 if(neg)
527 ret = -ret;
528
529 if(retv)
530 num_set_val(retv, ret);
531 return S_OK;
532 }
533
534 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
535 VARIANT *retv, jsexcept_t *ei)
536 {
537 LONGLONG d = 0, hlp;
538 int exp = 0;
539 WCHAR *str;
540 BSTR val_str = NULL;
541 BOOL ret_nan = TRUE, positive = TRUE;
542 HRESULT hres;
543
544 if(!argc) {
545 if(retv)
546 num_set_val(retv, NAN);
547 return S_OK;
548 }
549
550 hres = to_string(ctx, argv, ei, &val_str);
551 if(FAILED(hres))
552 return hres;
553
554 str = val_str;
555
556 while(isspaceW(*str)) str++;
557
558 if(*str == '+')
559 str++;
560 else if(*str == '-') {
561 positive = FALSE;
562 str++;
563 }
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 exp++;
572 break;
573 }
574 else
575 d = hlp;
576 }
577 while(isdigitW(*str)) {
578 exp++;
579 str++;
580 }
581
582 if(*str == '.') str++;
583
584 if(isdigitW(*str))
585 ret_nan = FALSE;
586
587 while(isdigitW(*str)) {
588 hlp = d*10 + *(str++) - '0';
589 if(d>LONGLONG_MAX/10 || hlp<0)
590 break;
591
592 d = hlp;
593 exp--;
594 }
595 while(isdigitW(*str))
596 str++;
597
598 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
599 int sign = 1, e = 0;
600
601 str++;
602 if(*str == '+')
603 str++;
604 else if(*str == '-') {
605 sign = -1;
606 str++;
607 }
608
609 while(isdigitW(*str)) {
610 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
611 e = INT_MAX;
612 }
613 e *= sign;
614
615 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
616 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
617 else exp += e;
618 }
619
620 SysFreeString(val_str);
621
622 if(ret_nan) {
623 if(retv)
624 num_set_val(retv, NAN);
625 return S_OK;
626 }
627
628 V_VT(retv) = VT_R8;
629 if(!positive)
630 d = -d;
631 V_R8(retv) = (exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
632 return S_OK;
633 }
634
635 static inline int hex_to_int(const WCHAR wch) {
636 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
637 if(isdigitW(wch)) return wch-'0';
638 return -1;
639 }
640
641 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
642 VARIANT *retv, jsexcept_t *ei)
643 {
644 BSTR ret, str;
645 const WCHAR *ptr;
646 DWORD len = 0;
647 HRESULT hres;
648
649 TRACE("\n");
650
651 if(!argc) {
652 if(retv) {
653 ret = SysAllocString(undefinedW);
654 if(!ret)
655 return E_OUTOFMEMORY;
656
657 V_VT(retv) = VT_BSTR;
658 V_BSTR(retv) = ret;
659 }
660
661 return S_OK;
662 }
663
664 hres = to_string(ctx, argv, ei, &str);
665 if(FAILED(hres))
666 return hres;
667
668 for(ptr=str; *ptr; ptr++) {
669 if(*ptr == '%') {
670 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
671 ptr += 2;
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 ptr += 5;
675 }
676
677 len++;
678 }
679
680 ret = SysAllocStringLen(NULL, len);
681 if(!ret) {
682 SysFreeString(str);
683 return E_OUTOFMEMORY;
684 }
685
686 len = 0;
687 for(ptr=str; *ptr; ptr++) {
688 if(*ptr == '%') {
689 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
690 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
691 ptr += 2;
692 }
693 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
694 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
695 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
696 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
697 ptr += 5;
698 }
699 else
700 ret[len] = *ptr;
701 }
702 else
703 ret[len] = *ptr;
704
705 len++;
706 }
707
708 SysFreeString(str);
709
710 if(retv) {
711 V_VT(retv) = VT_BSTR;
712 V_BSTR(retv) = ret;
713 }
714 else
715 SysFreeString(ret);
716
717 return S_OK;
718 }
719
720 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
721 VARIANT *retv, jsexcept_t *ei)
722 {
723 FIXME("\n");
724 return E_NOTIMPL;
725 }
726
727 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
728 VARIANT *retv, jsexcept_t *ei)
729 {
730 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
731
732 TRACE("\n");
733
734 if(retv) {
735 BSTR ret;
736
737 ret = SysAllocString(JScriptW);
738 if(!ret)
739 return E_OUTOFMEMORY;
740
741 V_VT(retv) = VT_BSTR;
742 V_BSTR(retv) = ret;
743 }
744
745 return S_OK;
746 }
747
748 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
749 VARIANT *retv, jsexcept_t *ei)
750 {
751 TRACE("\n");
752
753 if(retv)
754 num_set_int(retv, JSCRIPT_MAJOR_VERSION);
755 return S_OK;
756 }
757
758 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
759 VARIANT *retv, jsexcept_t *ei)
760 {
761 TRACE("\n");
762
763 if(retv)
764 num_set_int(retv, JSCRIPT_MINOR_VERSION);
765 return S_OK;
766 }
767
768 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
769 VARIANT *retv, jsexcept_t *ei)
770 {
771 TRACE("\n");
772
773 if(retv)
774 num_set_int(retv, JSCRIPT_BUILD_VERSION);
775 return S_OK;
776 }
777
778 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
779 VARIANT *retv, jsexcept_t *ei)
780 {
781 FIXME("\n");
782 return E_NOTIMPL;
783 }
784
785 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
786 VARIANT *retv, jsexcept_t *ei)
787 {
788 const WCHAR *ptr;
789 DWORD len = 0, i;
790 char buf[4];
791 BSTR str, ret;
792 WCHAR *rptr;
793 HRESULT hres;
794
795 TRACE("\n");
796
797 if(!argc) {
798 if(retv) {
799 ret = SysAllocString(undefinedW);
800 if(!ret)
801 return E_OUTOFMEMORY;
802
803 V_VT(retv) = VT_BSTR;
804 V_BSTR(retv) = ret;
805 }
806
807 return S_OK;
808 }
809
810 hres = to_string(ctx, argv, ei, &str);
811 if(FAILED(hres))
812 return hres;
813
814 for(ptr = str; *ptr; ptr++) {
815 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
816 len++;
817 }else {
818 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
819 if(!i) {
820 SysFreeString(str);
821 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
822 }
823
824 len += i;
825 }
826 }
827
828 rptr = ret = SysAllocStringLen(NULL, len);
829 if(!ret) {
830 SysFreeString(str);
831 return E_OUTOFMEMORY;
832 }
833
834 for(ptr = str; *ptr; ptr++) {
835 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
836 *rptr++ = *ptr;
837 }else {
838 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
839 for(i=0; i<len; i++) {
840 *rptr++ = '%';
841 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
842 *rptr++ = int_to_char(buf[i] & 0x0f);
843 }
844 }
845 }
846
847 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
848 SysFreeString(str);
849
850 if(retv) {
851 V_VT(retv) = VT_BSTR;
852 V_BSTR(retv) = ret;
853 }else {
854 SysFreeString(ret);
855 }
856 return S_OK;
857 }
858
859 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
860 VARIANT *retv, jsexcept_t *ei)
861 {
862 BSTR str, ret;
863 WCHAR *ptr;
864 int i, len = 0, val, res;
865 char buf[4];
866 WCHAR out;
867 HRESULT hres;
868
869 TRACE("\n");
870
871 if(!argc) {
872 if(retv) {
873 ret = SysAllocString(undefinedW);
874 if(!ret)
875 return E_OUTOFMEMORY;
876
877 V_VT(retv) = VT_BSTR;
878 V_BSTR(retv) = ret;
879 }
880
881 return S_OK;
882 }
883
884 hres = to_string(ctx, argv, ei, &str);
885 if(FAILED(hres))
886 return hres;
887
888 for(ptr=str; *ptr; ptr++) {
889 if(*ptr != '%') {
890 len++;
891 }else {
892 res = 0;
893 for(i=0; i<4; i++) {
894 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
895 break;
896 val += hex_to_int(ptr[i*3+1])<<4;
897 buf[i] = val;
898
899 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
900 if(res)
901 break;
902 }
903
904 if(!res) {
905 SysFreeString(str);
906 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CODING, NULL);
907 }
908
909 ptr += i*3+2;
910 len++;
911 }
912 }
913
914 ret = SysAllocStringLen(NULL, len);
915 if(!ret) {
916 SysFreeString(str);
917 return E_OUTOFMEMORY;
918 }
919
920 len = 0;
921 for(ptr=str; *ptr; ptr++) {
922 if(*ptr != '%') {
923 ret[len] = *ptr;
924 len++;
925 }else {
926 for(i=0; i<4; i++) {
927 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
928 break;
929 val += hex_to_int(ptr[i*3+1])<<4;
930 buf[i] = val;
931
932 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret+len, 1);
933 if(res)
934 break;
935 }
936
937 ptr += i*3+2;
938 len++;
939 }
940 }
941
942 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
943 SysFreeString(str);
944
945 if(retv) {
946 V_VT(retv) = VT_BSTR;
947 V_BSTR(retv) = ret;
948 }else {
949 SysFreeString(ret);
950 }
951
952 return S_OK;
953 }
954
955 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
956 VARIANT *retv, jsexcept_t *ei)
957 {
958 BSTR str, ret;
959 char buf[4];
960 const WCHAR *ptr;
961 DWORD len = 0, size, i;
962 HRESULT hres;
963
964 TRACE("\n");
965
966 if(!argc) {
967 if(retv) {
968 ret = SysAllocString(undefinedW);
969 if(!ret)
970 return E_OUTOFMEMORY;
971
972 V_VT(retv) = VT_BSTR;
973 V_BSTR(retv) = ret;
974 }
975
976 return S_OK;
977 }
978
979 hres = to_string(ctx, argv, ei, &str);
980 if(FAILED(hres))
981 return hres;
982
983 for(ptr=str; *ptr; ptr++) {
984 if(is_uri_unescaped(*ptr))
985 len++;
986 else {
987 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
988 if(!size) {
989 SysFreeString(str);
990 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
991 }
992 len += size*3;
993 }
994 }
995
996 ret = SysAllocStringLen(NULL, len);
997 if(!ret) {
998 SysFreeString(str);
999 return E_OUTOFMEMORY;
1000 }
1001
1002 len = 0;
1003 for(ptr=str; *ptr; ptr++) {
1004 if(is_uri_unescaped(*ptr))
1005 ret[len++] = *ptr;
1006 else {
1007 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
1008 for(i=0; i<size; i++) {
1009 ret[len++] = '%';
1010 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
1011 ret[len++] = int_to_char(buf[i] & 0x0f);
1012 }
1013 }
1014 }
1015
1016 SysFreeString(str);
1017
1018 if(retv) {
1019 V_VT(retv) = VT_BSTR;
1020 V_BSTR(retv) = ret;
1021 } else {
1022 SysFreeString(ret);
1023 }
1024
1025 return S_OK;
1026 }
1027
1028 /* ECMA-262 3rd Edition 15.1.3.2 */
1029 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
1030 VARIANT *retv, jsexcept_t *ei)
1031 {
1032 BSTR str, ret;
1033 const WCHAR *ptr;
1034 WCHAR *out_ptr;
1035 DWORD len = 0;
1036 HRESULT hres;
1037
1038 TRACE("\n");
1039
1040 if(!argc) {
1041 if(retv) {
1042 ret = SysAllocString(undefinedW);
1043 if(!ret)
1044 return E_OUTOFMEMORY;
1045
1046 V_VT(retv) = VT_BSTR;
1047 V_BSTR(retv) = ret;
1048 }
1049
1050 return S_OK;
1051 }
1052
1053 hres = to_string(ctx, argv, ei, &str);
1054 if(FAILED(hres))
1055 return hres;
1056
1057 ptr = str;
1058 while(*ptr) {
1059 if(*ptr == '%') {
1060 char octets[4];
1061 unsigned char mask = 0x80;
1062 int i, size, num_bytes = 0;
1063 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1064 FIXME("Throw URIError: Invalid hex sequence\n");
1065 SysFreeString(str);
1066 return E_FAIL;
1067 }
1068 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1069 ptr += 3;
1070 while(octets[0] & mask) {
1071 mask = mask >> 1;
1072 ++num_bytes;
1073 }
1074 if(num_bytes == 1 || num_bytes > 4) {
1075 FIXME("Throw URIError: Invalid initial UTF character\n");
1076 SysFreeString(str);
1077 return E_FAIL;
1078 }
1079 for(i = 1; i < num_bytes; ++i) {
1080 if(*ptr != '%'){
1081 FIXME("Throw URIError: Incomplete UTF sequence\n");
1082 SysFreeString(str);
1083 return E_FAIL;
1084 }
1085 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1086 FIXME("Throw URIError: Invalid hex sequence\n");
1087 SysFreeString(str);
1088 return E_FAIL;
1089 }
1090 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1091 ptr += 3;
1092 }
1093 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1094 num_bytes ? num_bytes : 1, NULL, 0);
1095 if(size == 0) {
1096 FIXME("Throw URIError: Invalid UTF sequence\n");
1097 SysFreeString(str);
1098 return E_FAIL;
1099 }
1100 len += size;
1101 }else {
1102 ++ptr;
1103 ++len;
1104 }
1105 }
1106
1107 out_ptr = ret = SysAllocStringLen(NULL, len);
1108 if(!ret) {
1109 SysFreeString(str);
1110 return E_OUTOFMEMORY;
1111 }
1112
1113 ptr = str;
1114 while(*ptr) {
1115 if(*ptr == '%') {
1116 char octets[4];
1117 unsigned char mask = 0x80;
1118 int i, size, num_bytes = 0;
1119 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1120 ptr += 3;
1121 while(octets[0] & mask) {
1122 mask = mask >> 1;
1123 ++num_bytes;
1124 }
1125 for(i = 1; i < num_bytes; ++i) {
1126 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1127 ptr += 3;
1128 }
1129 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1130 num_bytes ? num_bytes : 1, out_ptr, len);
1131 len -= size;
1132 out_ptr += size;
1133 }else {
1134 *out_ptr++ = *ptr++;
1135 --len;
1136 }
1137 }
1138
1139 SysFreeString(str);
1140
1141 if(retv) {
1142 V_VT(retv) = VT_BSTR;
1143 V_BSTR(retv) = ret;
1144 }else {
1145 SysFreeString(ret);
1146 }
1147
1148 return S_OK;
1149 }
1150
1151 static const builtin_prop_t JSGlobal_props[] = {
1152 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1153 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1154 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1155 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1156 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1157 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1158 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1159 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1160 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1161 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1162 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1163 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1164 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1165 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1166 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1167 {RegExpErrorW, JSGlobal_RegExpError, PROPF_CONSTR|1},
1168 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1169 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1170 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1171 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1172 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1173 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1174 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1175 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1176 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1177 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1178 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1179 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1180 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1181 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1182 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1183 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1184 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1185 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1186 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1187 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1188 };
1189
1190 static const builtin_info_t JSGlobal_info = {
1191 JSCLASS_GLOBAL,
1192 {NULL, NULL, 0},
1193 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1194 JSGlobal_props,
1195 NULL,
1196 NULL
1197 };
1198
1199 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1200 {
1201 HRESULT hres;
1202
1203 hres = init_function_constr(ctx, object_prototype);
1204 if(FAILED(hres))
1205 return hres;
1206
1207 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1208 if(FAILED(hres))
1209 return hres;
1210
1211 hres = create_activex_constr(ctx, &ctx->activex_constr);
1212 if(FAILED(hres))
1213 return hres;
1214
1215 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1216 if(FAILED(hres))
1217 return hres;
1218
1219 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1220 if(FAILED(hres))
1221 return hres;
1222
1223 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1224 if(FAILED(hres))
1225 return hres;
1226
1227 hres = init_error_constr(ctx, object_prototype);
1228 if(FAILED(hres))
1229 return hres;
1230
1231 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1232 if(FAILED(hres))
1233 return hres;
1234
1235 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1236 if(FAILED(hres))
1237 return hres;
1238
1239 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1240 if(FAILED(hres))
1241 return hres;
1242
1243 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1244 if(FAILED(hres))
1245 return hres;
1246
1247 return S_OK;
1248 }
1249
1250 HRESULT init_global(script_ctx_t *ctx)
1251 {
1252 jsdisp_t *math, *object_prototype;
1253 VARIANT var;
1254 HRESULT hres;
1255
1256 if(ctx->global)
1257 return S_OK;
1258
1259 hres = create_object_prototype(ctx, &object_prototype);
1260 if(FAILED(hres))
1261 return hres;
1262
1263 hres = init_constructors(ctx, object_prototype);
1264 jsdisp_release(object_prototype);
1265 if(FAILED(hres))
1266 return hres;
1267
1268 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1269 if(FAILED(hres))
1270 return hres;
1271
1272 hres = create_math(ctx, &math);
1273 if(FAILED(hres))
1274 return hres;
1275
1276 var_set_jsdisp(&var, math);
1277 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/);
1278 jsdisp_release(math);
1279 if(FAILED(hres))
1280 return hres;
1281
1282 V_VT(&var) = VT_EMPTY;
1283 hres = jsdisp_propput_name(ctx->global, undefinedW, &var, NULL/*FIXME*/);
1284 if(FAILED(hres))
1285 return hres;
1286
1287 num_set_val(&var, NAN);
1288 hres = jsdisp_propput_name(ctx->global, NaNW, &var, NULL/*FIXME*/);
1289 if(FAILED(hres))
1290 return hres;
1291
1292 num_set_val(&var, INFINITY);
1293 hres = jsdisp_propput_name(ctx->global, InfinityW, &var, NULL/*FIXME*/);
1294 return hres;
1295 }
GSOC 2012 project to enhance the control panel