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Release 1.1.37.
[wine/gsoc-2012-control.git] / dlls / jscript / global.c
blobaf142ed4db3ae02eda1d69ef9f3a179b55849b6c
1 /*
2 * Copyright 2008 Jacek Caban for CodeWeavers
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <math.h>
23 #include <limits.h>
24
25 #include "jscript.h"
26 #include "engine.h"
27
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
31
32 #define LONGLONG_MAX (((LONGLONG)0x7fffffff<<32)|0xffffffff)
33
34 static const WCHAR NaNW[] = {'N','a','N',0};
35 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
36 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
37 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
38 static const WCHAR DateW[] = {'D','a','t','e',0};
39 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
40 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
41 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
42 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
43 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
44 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
45 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
46 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
47 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
48 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
49 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
50 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
51 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
52 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
53 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
54 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
55 static const WCHAR evalW[] = {'e','v','a','l',0};
56 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
57 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
58 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
59 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
60 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
61 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
62 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
63 static const WCHAR ScriptEngineMajorVersionW[] =
64 {'S','c','r','i','p','t','E','n','g','i','n','e','M','a','j','o','r','V','e','r','s','i','o','n',0};
65 static const WCHAR ScriptEngineMinorVersionW[] =
66 {'S','c','r','i','p','t','E','n','g','i','n','e','M','i','n','o','r','V','e','r','s','i','o','n',0};
67 static const WCHAR ScriptEngineBuildVersionW[] =
68 {'S','c','r','i','p','t','E','n','g','i','n','e','B','u','i','l','d','V','e','r','s','i','o','n',0};
69 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
70 static const WCHAR MathW[] = {'M','a','t','h',0};
71 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
72 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
73 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
74 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
75
76 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
77
78 static int uri_char_table[] = {
79 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
80 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
81 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
82 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
83 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
84 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
85 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
86 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
87 };
88
89 /* 1 - reserved */
90 /* 2 - unescaped */
91
92 static inline BOOL is_uri_reserved(WCHAR c)
93 {
94 return c < 128 && uri_char_table[c] == 1;
95 }
96
97 static inline BOOL is_uri_unescaped(WCHAR c)
98 {
99 return c < 128 && uri_char_table[c] == 2;
100 }
101
102 static WCHAR int_to_char(int i)
103 {
104 if(i < 10)
105 return '0'+i;
106 return 'A'+i-10;
107 }
108
109 static HRESULT constructor_call(DispatchEx *constr, WORD flags, DISPPARAMS *dp,
110 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
111 {
112 if(flags != DISPATCH_PROPERTYGET)
113 return jsdisp_call_value(constr, flags, dp, retv, ei, sp);
114
115 V_VT(retv) = VT_DISPATCH;
116 V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(constr);
117 IDispatchEx_AddRef(_IDispatchEx_(constr));
118 return S_OK;
119 }
120
121 static HRESULT JSGlobal_NaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
122 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
123 {
124 TRACE("\n");
125
126 switch(flags) {
127 case DISPATCH_PROPERTYGET:
128 num_set_nan(retv);
129 break;
130
131 default:
132 FIXME("unimplemented flags %x\n", flags);
133 return E_NOTIMPL;
134 }
135
136 return S_OK;
137 }
138
139 static HRESULT JSGlobal_Infinity(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
140 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
141 {
142 TRACE("\n");
143
144 switch(flags) {
145 case DISPATCH_PROPERTYGET:
146 num_set_inf(retv, TRUE);
147 break;
148
149 default:
150 FIXME("unimplemented flags %x\n", flags);
151 return E_NOTIMPL;
152 }
153
154 return S_OK;
155 }
156
157 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
158 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
159 {
160 TRACE("\n");
161
162 return constructor_call(ctx->array_constr, flags, dp, retv, ei, sp);
163 }
164
165 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
166 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
167 {
168 TRACE("\n");
169
170 return constructor_call(ctx->bool_constr, flags, dp, retv, ei, sp);
171 }
172
173 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
174 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
175 {
176 TRACE("\n");
177
178 return constructor_call(ctx->date_constr, flags, dp, retv, ei, sp);
179 }
180
181 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
182 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
183 {
184 TRACE("\n");
185
186 return constructor_call(ctx->error_constr, flags, dp, retv, ei, sp);
187 }
188
189 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
190 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
191 {
192 TRACE("\n");
193
194 return constructor_call(ctx->eval_error_constr, flags, dp, retv, ei, sp);
195 }
196
197 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
198 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
199 {
200 TRACE("\n");
201
202 return constructor_call(ctx->range_error_constr, flags, dp, retv, ei, sp);
203 }
204
205 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
206 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
207 {
208 TRACE("\n");
209
210 return constructor_call(ctx->reference_error_constr, flags, dp, retv, ei, sp);
211 }
212
213 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
214 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
215 {
216 TRACE("\n");
217
218 return constructor_call(ctx->syntax_error_constr, flags, dp, retv, ei, sp);
219 }
220
221 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
222 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
223 {
224 TRACE("\n");
225
226 return constructor_call(ctx->type_error_constr, flags, dp, retv, ei, sp);
227 }
228
229 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
230 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
231 {
232 TRACE("\n");
233
234 return constructor_call(ctx->uri_error_constr, flags, dp, retv, ei, sp);
235 }
236
237 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
238 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
239 {
240 TRACE("\n");
241
242 return constructor_call(ctx->function_constr, flags, dp, retv, ei, sp);
243 }
244
245 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
246 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
247 {
248 TRACE("\n");
249
250 return constructor_call(ctx->number_constr, flags, dp, retv, ei, sp);
251 }
252
253 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
254 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
255 {
256 TRACE("\n");
257
258 return constructor_call(ctx->object_constr, flags, dp, retv, ei, sp);
259 }
260
261 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
262 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
263 {
264 TRACE("\n");
265
266 return constructor_call(ctx->string_constr, flags, dp, retv, ei, sp);
267 }
268
269 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
270 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
271 {
272 TRACE("\n");
273
274 return constructor_call(ctx->regexp_constr, flags, dp, retv, ei, sp);
275 }
276
277 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
278 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
279 {
280 TRACE("\n");
281
282 return constructor_call(ctx->activex_constr, flags, dp, retv, ei, sp);
283 }
284
285 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
286 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
287 {
288 FIXME("\n");
289 return E_NOTIMPL;
290 }
291
292 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
293 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
294 {
295 FIXME("\n");
296 return E_NOTIMPL;
297 }
298
299 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
300 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
301 {
302 BSTR ret, str;
303 const WCHAR *ptr;
304 DWORD len = 0;
305 HRESULT hres;
306
307 TRACE("\n");
308
309 if(!arg_cnt(dp)) {
310 if(retv) {
311 ret = SysAllocString(undefinedW);
312 if(!ret)
313 return E_OUTOFMEMORY;
314
315 V_VT(retv) = VT_BSTR;
316 V_BSTR(retv) = ret;
317 }
318
319 return S_OK;
320 }
321
322 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
323 if(FAILED(hres))
324 return hres;
325
326 for(ptr=str; *ptr; ptr++) {
327 if(*ptr > 0xff)
328 len += 6;
329 else if(isalnum((char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
330 || *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
331 len++;
332 else
333 len += 3;
334 }
335
336 ret = SysAllocStringLen(NULL, len);
337 if(!ret) {
338 SysFreeString(str);
339 return E_OUTOFMEMORY;
340 }
341
342 len = 0;
343 for(ptr=str; *ptr; ptr++) {
344 if(*ptr > 0xff) {
345 ret[len++] = '%';
346 ret[len++] = 'u';
347 ret[len++] = int_to_char(*ptr >> 12);
348 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
349 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
350 ret[len++] = int_to_char(*ptr & 0xf);
351 }
352 else if(isalnum((char)*ptr) || *ptr=='*' || *ptr=='@' || *ptr=='-'
353 || *ptr=='_' || *ptr=='+' || *ptr=='.' || *ptr=='/')
354 ret[len++] = *ptr;
355 else {
356 ret[len++] = '%';
357 ret[len++] = int_to_char(*ptr >> 4);
358 ret[len++] = int_to_char(*ptr & 0xf);
359 }
360 }
361
362 SysFreeString(str);
363
364 if(retv) {
365 V_VT(retv) = VT_BSTR;
366 V_BSTR(retv) = ret;
367 }
368 else
369 SysFreeString(ret);
370
371 return S_OK;
372 }
373
374 /* ECMA-262 3rd Edition 15.1.2.1 */
375 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
376 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
377 {
378 parser_ctx_t *parser_ctx;
379 VARIANT *arg;
380 HRESULT hres;
381
382 TRACE("\n");
383
384 if(!arg_cnt(dp)) {
385 if(retv)
386 V_VT(retv) = VT_EMPTY;
387 return S_OK;
388 }
389
390 arg = get_arg(dp, 0);
391 if(V_VT(arg) != VT_BSTR) {
392 if(retv) {
393 V_VT(retv) = VT_EMPTY;
394 return VariantCopy(retv, arg);
395 }
396 return S_OK;
397 }
398
399 if(!ctx->exec_ctx) {
400 FIXME("No active exec_ctx\n");
401 return E_UNEXPECTED;
402 }
403
404 TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
405 hres = script_parse(ctx, V_BSTR(arg), NULL, &parser_ctx);
406 if(FAILED(hres)) {
407 WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(arg)), hres);
408 return throw_syntax_error(ctx, ei, hres, NULL);
409 }
410
411 hres = exec_source(ctx->exec_ctx, parser_ctx, parser_ctx->source, EXECT_EVAL, ei, retv);
412 parser_release(parser_ctx);
413
414 return hres;
415 }
416
417 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
418 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
419 {
420 VARIANT_BOOL ret = VARIANT_FALSE;
421 VARIANT num;
422 HRESULT hres;
423
424 TRACE("\n");
425
426 if(arg_cnt(dp)) {
427 hres = to_number(ctx, get_arg(dp,0), ei, &num);
428 if(FAILED(hres))
429 return hres;
430
431 if(V_VT(&num) == VT_R8 && isnan(V_R8(&num)))
432 ret = VARIANT_TRUE;
433 }else {
434 ret = VARIANT_TRUE;
435 }
436
437 if(retv) {
438 V_VT(retv) = VT_BOOL;
439 V_BOOL(retv) = ret;
440 }
441 return S_OK;
442 }
443
444 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
445 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
446 {
447 VARIANT_BOOL ret = VARIANT_FALSE;
448 HRESULT hres;
449
450 TRACE("\n");
451
452 if(arg_cnt(dp)) {
453 VARIANT num;
454
455 hres = to_number(ctx, get_arg(dp,0), ei, &num);
456 if(FAILED(hres))
457 return hres;
458
459 if(V_VT(&num) != VT_R8 || (!isinf(V_R8(&num)) && !isnan(V_R8(&num))))
460 ret = VARIANT_TRUE;
461 }
462
463 if(retv) {
464 V_VT(retv) = VT_BOOL;
465 V_BOOL(retv) = ret;
466 }
467 return S_OK;
468 }
469
470 static INT char_to_int(WCHAR c)
471 {
472 if('0' <= c && c <= '9')
473 return c - '0';
474 if('a' <= c && c <= 'z')
475 return c - 'a' + 10;
476 if('A' <= c && c <= 'Z')
477 return c - 'A' + 10;
478 return 100;
479 }
480
481 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
482 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
483 {
484 DOUBLE ret = 0.0;
485 INT radix=10, i;
486 WCHAR *ptr;
487 BOOL neg = FALSE;
488 BSTR str;
489 HRESULT hres;
490
491 if(!arg_cnt(dp)) {
492 if(retv) num_set_nan(retv);
493 return S_OK;
494 }
495
496 if(arg_cnt(dp) >= 2) {
497 hres = to_int32(ctx, get_arg(dp, 1), ei, &radix);
498 if(FAILED(hres))
499 return hres;
500
501 if(!radix) {
502 radix = 10;
503 }else if(radix < 2 || radix > 36) {
504 WARN("radix %d out of range\n", radix);
505 return E_FAIL;
506 }
507 }
508
509 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
510 if(FAILED(hres))
511 return hres;
512
513 for(ptr = str; isspaceW(*ptr); ptr++);
514
515 switch(*ptr) {
516 case '+':
517 ptr++;
518 break;
519 case '-':
520 neg = TRUE;
521 ptr++;
522 break;
523 case '0':
524 ptr++;
525 if(*ptr == 'x' || *ptr == 'X') {
526 radix = 16;
527 ptr++;
528 }
529 }
530
531 while(*ptr) {
532 i = char_to_int(*ptr++);
533 if(i > radix)
534 break;
535
536 ret = ret*radix + i;
537 }
538
539 SysFreeString(str);
540
541 if(neg)
542 ret = -ret;
543
544 if(retv)
545 num_set_val(retv, ret);
546 return S_OK;
547 }
548
549 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
550 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
551 {
552 LONGLONG d = 0, hlp;
553 int exp = 0, length;
554 VARIANT *arg;
555 WCHAR *str;
556 BSTR val_str = NULL;
557 BOOL ret_nan = TRUE, positive = TRUE;
558 HRESULT hres;
559
560 if(!arg_cnt(dp)) {
561 if(retv)
562 num_set_nan(retv);
563 return S_OK;
564 }
565
566 arg = get_arg(dp, 0);
567 hres = to_string(ctx, arg, ei, &val_str);
568 if(FAILED(hres))
569 return hres;
570
571 str = val_str;
572 length = SysStringLen(val_str);
573
574 while(isspaceW(*str)) str++;
575
576 if(*str == '+')
577 str++;
578 else if(*str == '-') {
579 positive = FALSE;
580 str++;
581 }
582
583 if(isdigitW(*str))
584 ret_nan = FALSE;
585
586 while(isdigitW(*str)) {
587 hlp = d*10 + *(str++) - '0';
588 if(d>LONGLONG_MAX/10 || hlp<0) {
589 exp++;
590 break;
591 }
592 else
593 d = hlp;
594 }
595 while(isdigitW(*str)) {
596 exp++;
597 str++;
598 }
599
600 if(*str == '.') str++;
601
602 if(isdigitW(*str))
603 ret_nan = FALSE;
604
605 while(isdigitW(*str)) {
606 hlp = d*10 + *(str++) - '0';
607 if(d>LONGLONG_MAX/10 || hlp<0)
608 break;
609
610 d = hlp;
611 exp--;
612 }
613 while(isdigitW(*str))
614 str++;
615
616 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
617 int sign = 1, e = 0;
618
619 str++;
620 if(*str == '+')
621 str++;
622 else if(*str == '-') {
623 sign = -1;
624 str++;
625 }
626
627 while(isdigitW(*str)) {
628 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
629 e = INT_MAX;
630 }
631 e *= sign;
632
633 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
634 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
635 else exp += e;
636 }
637
638 SysFreeString(val_str);
639
640 if(ret_nan) {
641 if(retv)
642 num_set_nan(retv);
643 return S_OK;
644 }
645
646 V_VT(retv) = VT_R8;
647 V_R8(retv) = (double)(positive?d:-d)*pow(10, exp);
648 return S_OK;
649 }
650
651 static inline int hex_to_int(const WCHAR wch) {
652 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
653 if(isdigitW(wch)) return wch-'0';
654 return -1;
655 }
656
657 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
658 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
659 {
660 BSTR ret, str;
661 const WCHAR *ptr;
662 DWORD len = 0;
663 HRESULT hres;
664
665 TRACE("\n");
666
667 if(!arg_cnt(dp)) {
668 if(retv) {
669 ret = SysAllocString(undefinedW);
670 if(!ret)
671 return E_OUTOFMEMORY;
672
673 V_VT(retv) = VT_BSTR;
674 V_BSTR(retv) = ret;
675 }
676
677 return S_OK;
678 }
679
680 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
681 if(FAILED(hres))
682 return hres;
683
684 for(ptr=str; *ptr; ptr++) {
685 if(*ptr == '%') {
686 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
687 ptr += 2;
688 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
689 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
690 ptr += 5;
691 }
692
693 len++;
694 }
695
696 ret = SysAllocStringLen(NULL, len);
697 if(!ret) {
698 SysFreeString(str);
699 return E_OUTOFMEMORY;
700 }
701
702 len = 0;
703 for(ptr=str; *ptr; ptr++) {
704 if(*ptr == '%') {
705 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
706 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
707 ptr += 2;
708 }
709 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
710 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
711 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
712 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
713 ptr += 5;
714 }
715 else
716 ret[len] = *ptr;
717 }
718 else
719 ret[len] = *ptr;
720
721 len++;
722 }
723
724 SysFreeString(str);
725
726 if(retv) {
727 V_VT(retv) = VT_BSTR;
728 V_BSTR(retv) = ret;
729 }
730 else
731 SysFreeString(ret);
732
733 return S_OK;
734 }
735
736 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
737 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
738 {
739 FIXME("\n");
740 return E_NOTIMPL;
741 }
742
743 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
744 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
745 {
746 FIXME("\n");
747 return E_NOTIMPL;
748 }
749
750 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
751 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
752 {
753 FIXME("\n");
754 return E_NOTIMPL;
755 }
756
757 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
758 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
759 {
760 FIXME("\n");
761 return E_NOTIMPL;
762 }
763
764 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
765 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
766 {
767 FIXME("\n");
768 return E_NOTIMPL;
769 }
770
771 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
772 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
773 {
774 FIXME("\n");
775 return E_NOTIMPL;
776 }
777
778 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
779 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
780 {
781 const WCHAR *ptr;
782 DWORD len = 0, i;
783 char buf[4];
784 BSTR str, ret;
785 WCHAR *rptr;
786 HRESULT hres;
787
788 TRACE("\n");
789
790 if(!arg_cnt(dp)) {
791 if(retv) {
792 ret = SysAllocString(undefinedW);
793 if(!ret)
794 return E_OUTOFMEMORY;
795
796 V_VT(retv) = VT_BSTR;
797 V_BSTR(retv) = ret;
798 }
799
800 return S_OK;
801 }
802
803 hres = to_string(ctx, get_arg(dp,0), ei, &str);
804 if(FAILED(hres))
805 return hres;
806
807 for(ptr = str; *ptr; ptr++) {
808 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
809 len++;
810 }else {
811 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
812 if(!i) {
813 SysFreeString(str);
814 return throw_uri_error(ctx, ei, IDS_URI_INVALID_CHAR, NULL);
815 }
816
817 len += i;
818 }
819 }
820
821 rptr = ret = SysAllocStringLen(NULL, len);
822 if(!ret) {
823 SysFreeString(str);
824 return E_OUTOFMEMORY;
825 }
826
827 for(ptr = str; *ptr; ptr++) {
828 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
829 *rptr++ = *ptr;
830 }else {
831 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
832 for(i=0; i<len; i++) {
833 *rptr++ = '%';
834 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
835 *rptr++ = int_to_char(buf[i] & 0x0f);
836 }
837 }
838 }
839
840 SysFreeString(str);
841
842 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
843 if(retv) {
844 V_VT(retv) = VT_BSTR;
845 V_BSTR(retv) = ret;
846 }else {
847 SysFreeString(ret);
848 }
849 return S_OK;
850 }
851
852 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
853 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
854 {
855 FIXME("\n");
856 return E_NOTIMPL;
857 }
858
859 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
860 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
861 {
862 BSTR str, ret;
863 char buf[4];
864 const WCHAR *ptr;
865 DWORD len = 0, size, i;
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(is_uri_unescaped(*ptr))
889 len++;
890 else {
891 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
892 if(!size) {
893 SysFreeString(str);
894 FIXME("throw Error\n");
895 return E_FAIL;
896 }
897 len += size*3;
898 }
899 }
900
901 ret = SysAllocStringLen(NULL, len);
902 if(!ret) {
903 SysFreeString(str);
904 return E_OUTOFMEMORY;
905 }
906
907 len = 0;
908 for(ptr=str; *ptr; ptr++) {
909 if(is_uri_unescaped(*ptr))
910 ret[len++] = *ptr;
911 else {
912 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
913 for(i=0; i<size; i++) {
914 ret[len++] = '%';
915 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
916 ret[len++] = int_to_char(buf[i] & 0x0f);
917 }
918 }
919 }
920
921 SysFreeString(str);
922
923 if(retv) {
924 V_VT(retv) = VT_BSTR;
925 V_BSTR(retv) = ret;
926 } else {
927 SysFreeString(ret);
928 }
929
930 return S_OK;
931 }
932
933 /* ECMA-262 3rd Edition 15.1.3.2 */
934 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
935 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
936 {
937 BSTR str, ret;
938 const WCHAR *ptr;
939 WCHAR *out_ptr;
940 DWORD len = 0;
941 HRESULT hres;
942
943 TRACE("\n");
944
945 if(!arg_cnt(dp)) {
946 if(retv) {
947 ret = SysAllocString(undefinedW);
948 if(!ret)
949 return E_OUTOFMEMORY;
950
951 V_VT(retv) = VT_BSTR;
952 V_BSTR(retv) = ret;
953 }
954
955 return S_OK;
956 }
957
958 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
959 if(FAILED(hres))
960 return hres;
961
962 ptr = str;
963 while(*ptr) {
964 if(*ptr == '%') {
965 char octets[4];
966 unsigned char mask = 0x80;
967 int i, size, num_bytes = 0;
968 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
969 FIXME("Throw URIError: Invalid hex sequence\n");
970 SysFreeString(str);
971 return E_FAIL;
972 }
973 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
974 ptr += 3;
975 while(octets[0] & mask) {
976 mask = mask >> 1;
977 ++num_bytes;
978 }
979 if(num_bytes == 1 || num_bytes > 4) {
980 FIXME("Throw URIError: Invalid initial UTF character\n");
981 SysFreeString(str);
982 return E_FAIL;
983 }
984 for(i = 1; i < num_bytes; ++i) {
985 if(*ptr != '%'){
986 FIXME("Throw URIError: Incomplete UTF sequence\n");
987 SysFreeString(str);
988 return E_FAIL;
989 }
990 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
991 FIXME("Throw URIError: Invalid hex sequence\n");
992 SysFreeString(str);
993 return E_FAIL;
994 }
995 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
996 ptr += 3;
997 }
998 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
999 num_bytes ? num_bytes : 1, NULL, 0);
1000 if(size == 0) {
1001 FIXME("Throw URIError: Invalid UTF sequence\n");
1002 SysFreeString(str);
1003 return E_FAIL;
1004 }
1005 len += size;
1006 }else {
1007 ++ptr;
1008 ++len;
1009 }
1010 }
1011
1012 out_ptr = ret = SysAllocStringLen(NULL, len);
1013 if(!ret) {
1014 SysFreeString(str);
1015 return E_OUTOFMEMORY;
1016 }
1017
1018 ptr = str;
1019 while(*ptr) {
1020 if(*ptr == '%') {
1021 char octets[4];
1022 unsigned char mask = 0x80;
1023 int i, size, num_bytes = 0;
1024 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1025 ptr += 3;
1026 while(octets[0] & mask) {
1027 mask = mask >> 1;
1028 ++num_bytes;
1029 }
1030 for(i = 1; i < num_bytes; ++i) {
1031 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1032 ptr += 3;
1033 }
1034 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1035 num_bytes ? num_bytes : 1, out_ptr, len);
1036 len -= size;
1037 out_ptr += size;
1038 }else {
1039 *out_ptr++ = *ptr++;
1040 --len;
1041 }
1042 }
1043
1044 SysFreeString(str);
1045
1046 if(retv) {
1047 V_VT(retv) = VT_BSTR;
1048 V_BSTR(retv) = ret;
1049 }else {
1050 SysFreeString(ret);
1051 }
1052
1053 return S_OK;
1054 }
1055
1056 static const builtin_prop_t JSGlobal_props[] = {
1057 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1058 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1059 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1060 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1061 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1062 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1063 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1064 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1065 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1066 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1067 {InfinityW, JSGlobal_Infinity, 0},
1068 /* {MathW, JSGlobal_Math, 0}, */
1069 {NaNW, JSGlobal_NaN, 0},
1070 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1071 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1072 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1073 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1074 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1075 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1076 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1077 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1078 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1079 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1080 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1081 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1082 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1083 {VBArrayW, JSGlobal_VBArray, PROPF_METHOD|1},
1084 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1085 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1086 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1087 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1088 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1089 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1090 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1091 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1092 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1093 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1094 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1095 };
1096
1097 static const builtin_info_t JSGlobal_info = {
1098 JSCLASS_GLOBAL,
1099 {NULL, NULL, 0},
1100 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1101 JSGlobal_props,
1102 NULL,
1103 NULL
1104 };
1105
1106 static HRESULT init_constructors(script_ctx_t *ctx, DispatchEx *object_prototype)
1107 {
1108 HRESULT hres;
1109
1110 hres = init_function_constr(ctx, object_prototype);
1111 if(FAILED(hres))
1112 return hres;
1113
1114 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1115 if(FAILED(hres))
1116 return hres;
1117
1118 hres = create_activex_constr(ctx, &ctx->activex_constr);
1119 if(FAILED(hres))
1120 return hres;
1121
1122 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1123 if(FAILED(hres))
1124 return hres;
1125
1126 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1127 if(FAILED(hres))
1128 return hres;
1129
1130 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1131 if(FAILED(hres))
1132 return hres;
1133
1134 hres = init_error_constr(ctx, object_prototype);
1135 if(FAILED(hres))
1136 return hres;
1137
1138 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1139 if(FAILED(hres))
1140 return hres;
1141
1142 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1143 if(FAILED(hres))
1144 return hres;
1145
1146 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1147 if(FAILED(hres))
1148 return hres;
1149
1150 return S_OK;
1151 }
1152
1153 HRESULT init_global(script_ctx_t *ctx)
1154 {
1155 DispatchEx *math, *object_prototype;
1156 VARIANT var;
1157 HRESULT hres;
1158
1159 if(ctx->global)
1160 return S_OK;
1161
1162 hres = create_object_prototype(ctx, &object_prototype);
1163 if(FAILED(hres))
1164 return hres;
1165
1166 hres = init_constructors(ctx, object_prototype);
1167 jsdisp_release(object_prototype);
1168 if(FAILED(hres))
1169 return hres;
1170
1171 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1172 if(FAILED(hres))
1173 return hres;
1174
1175 hres = create_math(ctx, &math);
1176 if(FAILED(hres))
1177 return hres;
1178
1179 V_VT(&var) = VT_EMPTY;
1180 hres = jsdisp_propput_name(ctx->global, undefinedW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1181 if(FAILED(hres))
1182 return hres;
1183
1184 V_VT(&var) = VT_DISPATCH;
1185 V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(math);
1186 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1187 jsdisp_release(math);
1188
1189 return hres;
1190 }
GSOC 2012 project to enhance the control panel