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msvcrt: ungetc must create a buffer, even if _IONBF has been set with setvbuf.
[wine/multimedia.git] / dlls / jscript / global.c
blobedc8350e3331549aa623c5fde5f8d349a31eab30
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, IServiceProvider *sp)
118 {
119 if(flags != DISPATCH_PROPERTYGET)
120 return jsdisp_call_value(constr, flags, dp, retv, ei, sp);
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, IServiceProvider *sp)
129 {
130 TRACE("\n");
131
132 return constructor_call(ctx->array_constr, flags, dp, retv, ei, sp);
133 }
134
135 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
136 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
137 {
138 TRACE("\n");
139
140 return constructor_call(ctx->bool_constr, flags, dp, retv, ei, sp);
141 }
142
143 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
144 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
145 {
146 TRACE("\n");
147
148 return constructor_call(ctx->date_constr, flags, dp, retv, ei, sp);
149 }
150
151 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
152 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
153 {
154 TRACE("\n");
155
156 return constructor_call(ctx->error_constr, flags, dp, retv, ei, sp);
157 }
158
159 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
160 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
161 {
162 TRACE("\n");
163
164 return constructor_call(ctx->eval_error_constr, flags, dp, retv, ei, sp);
165 }
166
167 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
168 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
169 {
170 TRACE("\n");
171
172 return constructor_call(ctx->range_error_constr, flags, dp, retv, ei, sp);
173 }
174
175 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
176 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
177 {
178 TRACE("\n");
179
180 return constructor_call(ctx->reference_error_constr, flags, dp, retv, ei, sp);
181 }
182
183 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
184 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
185 {
186 TRACE("\n");
187
188 return constructor_call(ctx->syntax_error_constr, flags, dp, retv, ei, sp);
189 }
190
191 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
192 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
193 {
194 TRACE("\n");
195
196 return constructor_call(ctx->type_error_constr, flags, dp, retv, ei, sp);
197 }
198
199 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
200 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
201 {
202 TRACE("\n");
203
204 return constructor_call(ctx->uri_error_constr, flags, dp, retv, ei, sp);
205 }
206
207 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
208 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
209 {
210 TRACE("\n");
211
212 return constructor_call(ctx->function_constr, flags, dp, retv, ei, sp);
213 }
214
215 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
216 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
217 {
218 TRACE("\n");
219
220 return constructor_call(ctx->number_constr, flags, dp, retv, ei, sp);
221 }
222
223 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
224 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
225 {
226 TRACE("\n");
227
228 return constructor_call(ctx->object_constr, flags, dp, retv, ei, sp);
229 }
230
231 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
232 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
233 {
234 TRACE("\n");
235
236 return constructor_call(ctx->string_constr, flags, dp, retv, ei, sp);
237 }
238
239 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
240 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
241 {
242 TRACE("\n");
243
244 return constructor_call(ctx->regexp_constr, flags, dp, retv, ei, sp);
245 }
246
247 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
248 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
249 {
250 TRACE("\n");
251
252 return constructor_call(ctx->activex_constr, flags, dp, retv, ei, sp);
253 }
254
255 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
256 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
257 {
258 TRACE("\n");
259
260 return constructor_call(ctx->vbarray_constr, flags, dp, retv, ei, sp);
261 }
262
263 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
264 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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, IServiceProvider *sp)
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, IServiceProvider *sp)
346 {
347 parser_ctx_t *parser_ctx;
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 = script_parse(ctx, V_BSTR(arg), NULL, &parser_ctx);
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, parser_ctx, parser_ctx->source, TRUE, ei, retv);
381 parser_release(parser_ctx);
382
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, IServiceProvider *sp)
388 {
389 VARIANT_BOOL ret = VARIANT_FALSE;
390 VARIANT num;
391 HRESULT hres;
392
393 TRACE("\n");
394
395 if(arg_cnt(dp)) {
396 hres = to_number(ctx, get_arg(dp,0), ei, &num);
397 if(FAILED(hres))
398 return hres;
399
400 if(V_VT(&num) == VT_R8 && isnan(V_R8(&num)))
401 ret = VARIANT_TRUE;
402 }else {
403 ret = VARIANT_TRUE;
404 }
405
406 if(retv) {
407 V_VT(retv) = VT_BOOL;
408 V_BOOL(retv) = ret;
409 }
410 return S_OK;
411 }
412
413 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
414 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
415 {
416 VARIANT_BOOL ret = VARIANT_FALSE;
417 HRESULT hres;
418
419 TRACE("\n");
420
421 if(arg_cnt(dp)) {
422 VARIANT num;
423
424 hres = to_number(ctx, get_arg(dp,0), ei, &num);
425 if(FAILED(hres))
426 return hres;
427
428 if(V_VT(&num) != VT_R8 || (!isinf(V_R8(&num)) && !isnan(V_R8(&num))))
429 ret = VARIANT_TRUE;
430 }
431
432 if(retv) {
433 V_VT(retv) = VT_BOOL;
434 V_BOOL(retv) = ret;
435 }
436 return S_OK;
437 }
438
439 static INT char_to_int(WCHAR c)
440 {
441 if('0' <= c && c <= '9')
442 return c - '0';
443 if('a' <= c && c <= 'z')
444 return c - 'a' + 10;
445 if('A' <= c && c <= 'Z')
446 return c - 'A' + 10;
447 return 100;
448 }
449
450 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
451 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
452 {
453 BOOL neg = FALSE, empty = TRUE;
454 DOUBLE ret = 0.0;
455 INT radix=0, i;
456 WCHAR *ptr;
457 BSTR str;
458 HRESULT hres;
459
460 if(!arg_cnt(dp)) {
461 if(retv) num_set_nan(retv);
462 return S_OK;
463 }
464
465 if(arg_cnt(dp) >= 2) {
466 hres = to_int32(ctx, get_arg(dp, 1), ei, &radix);
467 if(FAILED(hres))
468 return hres;
469
470 if(radix && (radix < 2 || radix > 36)) {
471 WARN("radix %d out of range\n", radix);
472 if(retv)
473 num_set_nan(retv);
474 return S_OK;
475 }
476 }
477
478 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
479 if(FAILED(hres))
480 return hres;
481
482 for(ptr = str; isspaceW(*ptr); ptr++);
483
484 switch(*ptr) {
485 case '+':
486 ptr++;
487 break;
488 case '-':
489 neg = TRUE;
490 ptr++;
491 break;
492 }
493
494 if(!radix) {
495 if(*ptr == '0') {
496 if(ptr[1] == 'x' || ptr[1] == 'X') {
497 radix = 16;
498 ptr += 2;
499 }else {
500 radix = 8;
501 ptr++;
502 empty = FALSE;
503 }
504 }else {
505 radix = 10;
506 }
507 }
508
509 i = char_to_int(*ptr++);
510 if(i < radix) {
511 do {
512 ret = ret*radix + i;
513 i = char_to_int(*ptr++);
514 }while(i < radix);
515 }else if(empty) {
516 ret = ret_nan();
517 }
518
519 SysFreeString(str);
520
521 if(neg)
522 ret = -ret;
523
524 if(retv)
525 num_set_val(retv, ret);
526 return S_OK;
527 }
528
529 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
530 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
531 {
532 LONGLONG d = 0, hlp;
533 int exp = 0;
534 VARIANT *arg;
535 WCHAR *str;
536 BSTR val_str = NULL;
537 BOOL ret_nan = TRUE, positive = TRUE;
538 HRESULT hres;
539
540 if(!arg_cnt(dp)) {
541 if(retv)
542 num_set_nan(retv);
543 return S_OK;
544 }
545
546 arg = get_arg(dp, 0);
547 hres = to_string(ctx, arg, ei, &val_str);
548 if(FAILED(hres))
549 return hres;
550
551 str = val_str;
552
553 while(isspaceW(*str)) str++;
554
555 if(*str == '+')
556 str++;
557 else if(*str == '-') {
558 positive = FALSE;
559 str++;
560 }
561
562 if(isdigitW(*str))
563 ret_nan = FALSE;
564
565 while(isdigitW(*str)) {
566 hlp = d*10 + *(str++) - '0';
567 if(d>LONGLONG_MAX/10 || hlp<0) {
568 exp++;
569 break;
570 }
571 else
572 d = hlp;
573 }
574 while(isdigitW(*str)) {
575 exp++;
576 str++;
577 }
578
579 if(*str == '.') str++;
580
581 if(isdigitW(*str))
582 ret_nan = FALSE;
583
584 while(isdigitW(*str)) {
585 hlp = d*10 + *(str++) - '0';
586 if(d>LONGLONG_MAX/10 || hlp<0)
587 break;
588
589 d = hlp;
590 exp--;
591 }
592 while(isdigitW(*str))
593 str++;
594
595 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
596 int sign = 1, e = 0;
597
598 str++;
599 if(*str == '+')
600 str++;
601 else if(*str == '-') {
602 sign = -1;
603 str++;
604 }
605
606 while(isdigitW(*str)) {
607 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
608 e = INT_MAX;
609 }
610 e *= sign;
611
612 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
613 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
614 else exp += e;
615 }
616
617 SysFreeString(val_str);
618
619 if(ret_nan) {
620 if(retv)
621 num_set_nan(retv);
622 return S_OK;
623 }
624
625 V_VT(retv) = VT_R8;
626 V_R8(retv) = (double)(positive?d:-d)*pow(10, exp);
627 return S_OK;
628 }
629
630 static inline int hex_to_int(const WCHAR wch) {
631 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
632 if(isdigitW(wch)) return wch-'0';
633 return -1;
634 }
635
636 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
637 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
638 {
639 BSTR ret, str;
640 const WCHAR *ptr;
641 DWORD len = 0;
642 HRESULT hres;
643
644 TRACE("\n");
645
646 if(!arg_cnt(dp)) {
647 if(retv) {
648 ret = SysAllocString(undefinedW);
649 if(!ret)
650 return E_OUTOFMEMORY;
651
652 V_VT(retv) = VT_BSTR;
653 V_BSTR(retv) = ret;
654 }
655
656 return S_OK;
657 }
658
659 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
660 if(FAILED(hres))
661 return hres;
662
663 for(ptr=str; *ptr; ptr++) {
664 if(*ptr == '%') {
665 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
666 ptr += 2;
667 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
668 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
669 ptr += 5;
670 }
671
672 len++;
673 }
674
675 ret = SysAllocStringLen(NULL, len);
676 if(!ret) {
677 SysFreeString(str);
678 return E_OUTOFMEMORY;
679 }
680
681 len = 0;
682 for(ptr=str; *ptr; ptr++) {
683 if(*ptr == '%') {
684 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
685 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
686 ptr += 2;
687 }
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 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
691 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
692 ptr += 5;
693 }
694 else
695 ret[len] = *ptr;
696 }
697 else
698 ret[len] = *ptr;
699
700 len++;
701 }
702
703 SysFreeString(str);
704
705 if(retv) {
706 V_VT(retv) = VT_BSTR;
707 V_BSTR(retv) = ret;
708 }
709 else
710 SysFreeString(ret);
711
712 return S_OK;
713 }
714
715 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
716 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
717 {
718 FIXME("\n");
719 return E_NOTIMPL;
720 }
721
722 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
723 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
724 {
725 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
726
727 TRACE("\n");
728
729 if(retv) {
730 BSTR ret;
731
732 ret = SysAllocString(JScriptW);
733 if(!ret)
734 return E_OUTOFMEMORY;
735
736 V_VT(retv) = VT_BSTR;
737 V_BSTR(retv) = ret;
738 }
739
740 return S_OK;
741 }
742
743 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
744 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
745 {
746 TRACE("\n");
747
748 if(retv) {
749 V_VT(retv) = VT_I4;
750 V_I4(retv) = JSCRIPT_MAJOR_VERSION;
751 }
752 return S_OK;
753 }
754
755 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
756 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
757 {
758 TRACE("\n");
759
760 if(retv) {
761 V_VT(retv) = VT_I4;
762 V_I4(retv) = JSCRIPT_MINOR_VERSION;
763 }
764 return S_OK;
765 }
766
767 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
768 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
769 {
770 TRACE("\n");
771
772 if(retv) {
773 V_VT(retv) = VT_I4;
774 V_I4(retv) = JSCRIPT_BUILD_VERSION;
775 }
776 return S_OK;
777 }
778
779 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
780 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
781 {
782 FIXME("\n");
783 return E_NOTIMPL;
784 }
785
786 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
787 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
788 {
789 const WCHAR *ptr;
790 DWORD len = 0, i;
791 char buf[4];
792 BSTR str, ret;
793 WCHAR *rptr;
794 HRESULT hres;
795
796 TRACE("\n");
797
798 if(!arg_cnt(dp)) {
799 if(retv) {
800 ret = SysAllocString(undefinedW);
801 if(!ret)
802 return E_OUTOFMEMORY;
803
804 V_VT(retv) = VT_BSTR;
805 V_BSTR(retv) = ret;
806 }
807
808 return S_OK;
809 }
810
811 hres = to_string(ctx, get_arg(dp,0), ei, &str);
812 if(FAILED(hres))
813 return hres;
814
815 for(ptr = str; *ptr; ptr++) {
816 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
817 len++;
818 }else {
819 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
820 if(!i) {
821 SysFreeString(str);
822 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
823 }
824
825 len += i;
826 }
827 }
828
829 rptr = ret = SysAllocStringLen(NULL, len);
830 if(!ret) {
831 SysFreeString(str);
832 return E_OUTOFMEMORY;
833 }
834
835 for(ptr = str; *ptr; ptr++) {
836 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
837 *rptr++ = *ptr;
838 }else {
839 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
840 for(i=0; i<len; i++) {
841 *rptr++ = '%';
842 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
843 *rptr++ = int_to_char(buf[i] & 0x0f);
844 }
845 }
846 }
847
848 SysFreeString(str);
849
850 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
851 if(retv) {
852 V_VT(retv) = VT_BSTR;
853 V_BSTR(retv) = ret;
854 }else {
855 SysFreeString(ret);
856 }
857 return S_OK;
858 }
859
860 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
861 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
862 {
863 FIXME("\n");
864 return E_NOTIMPL;
865 }
866
867 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
868 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
869 {
870 BSTR str, ret;
871 char buf[4];
872 const WCHAR *ptr;
873 DWORD len = 0, size, i;
874 HRESULT hres;
875
876 TRACE("\n");
877
878 if(!arg_cnt(dp)) {
879 if(retv) {
880 ret = SysAllocString(undefinedW);
881 if(!ret)
882 return E_OUTOFMEMORY;
883
884 V_VT(retv) = VT_BSTR;
885 V_BSTR(retv) = ret;
886 }
887
888 return S_OK;
889 }
890
891 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
892 if(FAILED(hres))
893 return hres;
894
895 for(ptr=str; *ptr; ptr++) {
896 if(is_uri_unescaped(*ptr))
897 len++;
898 else {
899 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
900 if(!size) {
901 SysFreeString(str);
902 FIXME("throw Error\n");
903 return E_FAIL;
904 }
905 len += size*3;
906 }
907 }
908
909 ret = SysAllocStringLen(NULL, len);
910 if(!ret) {
911 SysFreeString(str);
912 return E_OUTOFMEMORY;
913 }
914
915 len = 0;
916 for(ptr=str; *ptr; ptr++) {
917 if(is_uri_unescaped(*ptr))
918 ret[len++] = *ptr;
919 else {
920 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
921 for(i=0; i<size; i++) {
922 ret[len++] = '%';
923 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
924 ret[len++] = int_to_char(buf[i] & 0x0f);
925 }
926 }
927 }
928
929 SysFreeString(str);
930
931 if(retv) {
932 V_VT(retv) = VT_BSTR;
933 V_BSTR(retv) = ret;
934 } else {
935 SysFreeString(ret);
936 }
937
938 return S_OK;
939 }
940
941 /* ECMA-262 3rd Edition 15.1.3.2 */
942 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
943 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
944 {
945 BSTR str, ret;
946 const WCHAR *ptr;
947 WCHAR *out_ptr;
948 DWORD len = 0;
949 HRESULT hres;
950
951 TRACE("\n");
952
953 if(!arg_cnt(dp)) {
954 if(retv) {
955 ret = SysAllocString(undefinedW);
956 if(!ret)
957 return E_OUTOFMEMORY;
958
959 V_VT(retv) = VT_BSTR;
960 V_BSTR(retv) = ret;
961 }
962
963 return S_OK;
964 }
965
966 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
967 if(FAILED(hres))
968 return hres;
969
970 ptr = str;
971 while(*ptr) {
972 if(*ptr == '%') {
973 char octets[4];
974 unsigned char mask = 0x80;
975 int i, size, num_bytes = 0;
976 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
977 FIXME("Throw URIError: Invalid hex sequence\n");
978 SysFreeString(str);
979 return E_FAIL;
980 }
981 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
982 ptr += 3;
983 while(octets[0] & mask) {
984 mask = mask >> 1;
985 ++num_bytes;
986 }
987 if(num_bytes == 1 || num_bytes > 4) {
988 FIXME("Throw URIError: Invalid initial UTF character\n");
989 SysFreeString(str);
990 return E_FAIL;
991 }
992 for(i = 1; i < num_bytes; ++i) {
993 if(*ptr != '%'){
994 FIXME("Throw URIError: Incomplete UTF sequence\n");
995 SysFreeString(str);
996 return E_FAIL;
997 }
998 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
999 FIXME("Throw URIError: Invalid hex sequence\n");
1000 SysFreeString(str);
1001 return E_FAIL;
1002 }
1003 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1004 ptr += 3;
1005 }
1006 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1007 num_bytes ? num_bytes : 1, NULL, 0);
1008 if(size == 0) {
1009 FIXME("Throw URIError: Invalid UTF sequence\n");
1010 SysFreeString(str);
1011 return E_FAIL;
1012 }
1013 len += size;
1014 }else {
1015 ++ptr;
1016 ++len;
1017 }
1018 }
1019
1020 out_ptr = ret = SysAllocStringLen(NULL, len);
1021 if(!ret) {
1022 SysFreeString(str);
1023 return E_OUTOFMEMORY;
1024 }
1025
1026 ptr = str;
1027 while(*ptr) {
1028 if(*ptr == '%') {
1029 char octets[4];
1030 unsigned char mask = 0x80;
1031 int i, size, num_bytes = 0;
1032 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1033 ptr += 3;
1034 while(octets[0] & mask) {
1035 mask = mask >> 1;
1036 ++num_bytes;
1037 }
1038 for(i = 1; i < num_bytes; ++i) {
1039 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1040 ptr += 3;
1041 }
1042 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1043 num_bytes ? num_bytes : 1, out_ptr, len);
1044 len -= size;
1045 out_ptr += size;
1046 }else {
1047 *out_ptr++ = *ptr++;
1048 --len;
1049 }
1050 }
1051
1052 SysFreeString(str);
1053
1054 if(retv) {
1055 V_VT(retv) = VT_BSTR;
1056 V_BSTR(retv) = ret;
1057 }else {
1058 SysFreeString(ret);
1059 }
1060
1061 return S_OK;
1062 }
1063
1064 static const builtin_prop_t JSGlobal_props[] = {
1065 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1066 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1067 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1068 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1069 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1070 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1071 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1072 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1073 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1074 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1075 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1076 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1077 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1078 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1079 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1080 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1081 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1082 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1083 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1084 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1085 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1086 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1087 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1088 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1089 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1090 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1091 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1092 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1093 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1094 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1095 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1096 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1097 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1098 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1099 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1100 };
1101
1102 static const builtin_info_t JSGlobal_info = {
1103 JSCLASS_GLOBAL,
1104 {NULL, NULL, 0},
1105 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1106 JSGlobal_props,
1107 NULL,
1108 NULL
1109 };
1110
1111 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1112 {
1113 HRESULT hres;
1114
1115 hres = init_function_constr(ctx, object_prototype);
1116 if(FAILED(hres))
1117 return hres;
1118
1119 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1120 if(FAILED(hres))
1121 return hres;
1122
1123 hres = create_activex_constr(ctx, &ctx->activex_constr);
1124 if(FAILED(hres))
1125 return hres;
1126
1127 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1128 if(FAILED(hres))
1129 return hres;
1130
1131 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1132 if(FAILED(hres))
1133 return hres;
1134
1135 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1136 if(FAILED(hres))
1137 return hres;
1138
1139 hres = init_error_constr(ctx, object_prototype);
1140 if(FAILED(hres))
1141 return hres;
1142
1143 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1144 if(FAILED(hres))
1145 return hres;
1146
1147 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1148 if(FAILED(hres))
1149 return hres;
1150
1151 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1152 if(FAILED(hres))
1153 return hres;
1154
1155 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1156 if(FAILED(hres))
1157 return hres;
1158
1159 return S_OK;
1160 }
1161
1162 HRESULT init_global(script_ctx_t *ctx)
1163 {
1164 jsdisp_t *math, *object_prototype;
1165 VARIANT var;
1166 HRESULT hres;
1167
1168 if(ctx->global)
1169 return S_OK;
1170
1171 hres = create_object_prototype(ctx, &object_prototype);
1172 if(FAILED(hres))
1173 return hres;
1174
1175 hres = init_constructors(ctx, object_prototype);
1176 jsdisp_release(object_prototype);
1177 if(FAILED(hres))
1178 return hres;
1179
1180 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1181 if(FAILED(hres))
1182 return hres;
1183
1184 hres = create_math(ctx, &math);
1185 if(FAILED(hres))
1186 return hres;
1187
1188 var_set_jsdisp(&var, math);
1189 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1190 jsdisp_release(math);
1191 if(FAILED(hres))
1192 return hres;
1193
1194 V_VT(&var) = VT_EMPTY;
1195 hres = jsdisp_propput_name(ctx->global, undefinedW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1196 if(FAILED(hres))
1197 return hres;
1198
1199 num_set_nan(&var);
1200 hres = jsdisp_propput_name(ctx->global, NaNW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1201 if(FAILED(hres))
1202 return hres;
1203
1204 num_set_inf(&var, TRUE);
1205 hres = jsdisp_propput_name(ctx->global, InfinityW, &var, NULL/*FIXME*/, NULL/*FIXME*/);
1206 return hres;
1207 }
Maarten's multimedia branch