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winex11: Store the DC bounds rectangle as a pointer.
[wine/multimedia.git] / dlls / jscript / string.c
blobb629d57a9305a6d8236913bde0e5e28b9e6f20f4
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 "jscript.h"
20
21 #include "wine/debug.h"
22
23 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
24
25 typedef struct {
26 jsdisp_t dispex;
27
28 WCHAR *str;
29 DWORD length;
30 } StringInstance;
31
32 static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
33 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
34 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
35 static const WCHAR anchorW[] = {'a','n','c','h','o','r',0};
36 static const WCHAR bigW[] = {'b','i','g',0};
37 static const WCHAR blinkW[] = {'b','l','i','n','k',0};
38 static const WCHAR boldW[] = {'b','o','l','d',0};
39 static const WCHAR charAtW[] = {'c','h','a','r','A','t',0};
40 static const WCHAR charCodeAtW[] = {'c','h','a','r','C','o','d','e','A','t',0};
41 static const WCHAR concatW[] = {'c','o','n','c','a','t',0};
42 static const WCHAR fixedW[] = {'f','i','x','e','d',0};
43 static const WCHAR fontcolorW[] = {'f','o','n','t','c','o','l','o','r',0};
44 static const WCHAR fontsizeW[] = {'f','o','n','t','s','i','z','e',0};
45 static const WCHAR indexOfW[] = {'i','n','d','e','x','O','f',0};
46 static const WCHAR italicsW[] = {'i','t','a','l','i','c','s',0};
47 static const WCHAR lastIndexOfW[] = {'l','a','s','t','I','n','d','e','x','O','f',0};
48 static const WCHAR linkW[] = {'l','i','n','k',0};
49 static const WCHAR matchW[] = {'m','a','t','c','h',0};
50 static const WCHAR replaceW[] = {'r','e','p','l','a','c','e',0};
51 static const WCHAR searchW[] = {'s','e','a','r','c','h',0};
52 static const WCHAR sliceW[] = {'s','l','i','c','e',0};
53 static const WCHAR smallW[] = {'s','m','a','l','l',0};
54 static const WCHAR splitW[] = {'s','p','l','i','t',0};
55 static const WCHAR strikeW[] = {'s','t','r','i','k','e',0};
56 static const WCHAR subW[] = {'s','u','b',0};
57 static const WCHAR substringW[] = {'s','u','b','s','t','r','i','n','g',0};
58 static const WCHAR substrW[] = {'s','u','b','s','t','r',0};
59 static const WCHAR supW[] = {'s','u','p',0};
60 static const WCHAR toLowerCaseW[] = {'t','o','L','o','w','e','r','C','a','s','e',0};
61 static const WCHAR toUpperCaseW[] = {'t','o','U','p','p','e','r','C','a','s','e',0};
62 static const WCHAR toLocaleLowerCaseW[] = {'t','o','L','o','c','a','l','e','L','o','w','e','r','C','a','s','e',0};
63 static const WCHAR toLocaleUpperCaseW[] = {'t','o','L','o','c','a','l','e','U','p','p','e','r','C','a','s','e',0};
64 static const WCHAR localeCompareW[] = {'l','o','c','a','l','e','C','o','m','p','a','r','e',0};
65 static const WCHAR fromCharCodeW[] = {'f','r','o','m','C','h','a','r','C','o','d','e',0};
66
67 static inline StringInstance *string_from_vdisp(vdisp_t *vdisp)
68 {
69 return (StringInstance*)vdisp->u.jsdisp;
70 }
71
72 static inline StringInstance *string_this(vdisp_t *jsthis)
73 {
74 return is_vclass(jsthis, JSCLASS_STRING) ? string_from_vdisp(jsthis) : NULL;
75 }
76
77 static HRESULT get_string_val(script_ctx_t *ctx, vdisp_t *jsthis, jsexcept_t *ei,
78 const WCHAR **str, DWORD *len, BSTR *val_str)
79 {
80 StringInstance *string;
81 VARIANT this_var;
82 HRESULT hres;
83
84 if((string = string_this(jsthis))) {
85 *str = string->str;
86 *len = string->length;
87 *val_str = NULL;
88 return S_OK;
89 }
90
91 V_VT(&this_var) = VT_DISPATCH;
92 V_DISPATCH(&this_var) = jsthis->u.disp;
93 hres = to_string(ctx, &this_var, ei, val_str);
94 if(FAILED(hres))
95 return hres;
96
97 *str = *val_str;
98 *len = SysStringLen(*val_str);
99 return S_OK;
100 }
101
102 static HRESULT String_length(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
103 VARIANT *retv, jsexcept_t *ei)
104 {
105 TRACE("%p\n", jsthis);
106
107 switch(flags) {
108 case DISPATCH_PROPERTYGET: {
109 StringInstance *string = string_from_vdisp(jsthis);
110
111 V_VT(retv) = VT_I4;
112 V_I4(retv) = string->length;
113 break;
114 }
115 default:
116 FIXME("unimplemented flags %x\n", flags);
117 return E_NOTIMPL;
118 }
119
120 return S_OK;
121 }
122
123 static HRESULT stringobj_to_string(vdisp_t *jsthis, VARIANT *retv)
124 {
125 StringInstance *string;
126
127 if(!(string = string_this(jsthis))) {
128 WARN("this is not a string object\n");
129 return E_FAIL;
130 }
131
132 if(retv) {
133 BSTR str = SysAllocString(string->str);
134 if(!str)
135 return E_OUTOFMEMORY;
136
137 V_VT(retv) = VT_BSTR;
138 V_BSTR(retv) = str;
139 }
140 return S_OK;
141 }
142
143 /* ECMA-262 3rd Edition 15.5.4.2 */
144 static HRESULT String_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
145 VARIANT *retv, jsexcept_t *ei)
146 {
147 TRACE("\n");
148
149 return stringobj_to_string(jsthis, retv);
150 }
151
152 /* ECMA-262 3rd Edition 15.5.4.2 */
153 static HRESULT String_valueOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
154 VARIANT *retv, jsexcept_t *ei)
155 {
156 TRACE("\n");
157
158 return stringobj_to_string(jsthis, retv);
159 }
160
161 static HRESULT do_attributeless_tag_format(script_ctx_t *ctx, vdisp_t *jsthis, VARIANT *retv,
162 jsexcept_t *ei, const WCHAR *tagname)
163 {
164 const WCHAR *str;
165 DWORD length;
166 BSTR val_str = NULL;
167 HRESULT hres;
168
169 static const WCHAR tagfmt[] = {'<','%','s','>','%','s','<','/','%','s','>',0};
170
171 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
172 if(FAILED(hres))
173 return hres;
174
175 if(retv) {
176 BSTR ret = SysAllocStringLen(NULL, length + 2*strlenW(tagname) + 5);
177 if(!ret) {
178 SysFreeString(val_str);
179 return E_OUTOFMEMORY;
180 }
181
182 sprintfW(ret, tagfmt, tagname, str, tagname);
183
184 V_VT(retv) = VT_BSTR;
185 V_BSTR(retv) = ret;
186 }
187
188 SysFreeString(val_str);
189 return S_OK;
190 }
191
192 static HRESULT do_attribute_tag_format(script_ctx_t *ctx, vdisp_t *jsthis, DISPPARAMS *dp, VARIANT *retv,
193 jsexcept_t *ei, const WCHAR *tagname, const WCHAR *attr)
194 {
195 static const WCHAR tagfmtW[]
196 = {'<','%','s',' ','%','s','=','\"','%','s','\"','>','%','s','<','/','%','s','>',0};
197 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
198
199 StringInstance *string;
200 const WCHAR *str;
201 DWORD length;
202 BSTR attr_value, val_str = NULL;
203 HRESULT hres;
204
205 if(!(string = string_this(jsthis))) {
206 VARIANT this;
207
208 V_VT(&this) = VT_DISPATCH;
209 V_DISPATCH(&this) = jsthis->u.disp;
210
211 hres = to_string(ctx, &this, ei, &val_str);
212 if(FAILED(hres))
213 return hres;
214
215 str = val_str;
216 length = SysStringLen(val_str);
217 }
218 else {
219 str = string->str;
220 length = string->length;
221 }
222
223 if(arg_cnt(dp)) {
224 hres = to_string(ctx, get_arg(dp, 0), ei, &attr_value);
225 if(FAILED(hres)) {
226 SysFreeString(val_str);
227 return hres;
228 }
229 }
230 else {
231 attr_value = SysAllocString(undefinedW);
232 if(!attr_value) {
233 SysFreeString(val_str);
234 return E_OUTOFMEMORY;
235 }
236 }
237
238 if(retv) {
239 BSTR ret = SysAllocStringLen(NULL, length + 2*strlenW(tagname)
240 + strlenW(attr) + SysStringLen(attr_value) + 9);
241 if(!ret) {
242 SysFreeString(attr_value);
243 SysFreeString(val_str);
244 return E_OUTOFMEMORY;
245 }
246
247 sprintfW(ret, tagfmtW, tagname, attr, attr_value, str, tagname);
248
249 V_VT(retv) = VT_BSTR;
250 V_BSTR(retv) = ret;
251 }
252
253 SysFreeString(attr_value);
254 SysFreeString(val_str);
255 return S_OK;
256 }
257
258 static HRESULT String_anchor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
259 VARIANT *retv, jsexcept_t *ei)
260 {
261 static const WCHAR fontW[] = {'A',0};
262 static const WCHAR colorW[] = {'N','A','M','E',0};
263
264 return do_attribute_tag_format(ctx, jsthis, dp, retv, ei, fontW, colorW);
265 }
266
267 static HRESULT String_big(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
268 VARIANT *retv, jsexcept_t *ei)
269 {
270 static const WCHAR bigtagW[] = {'B','I','G',0};
271 return do_attributeless_tag_format(ctx, jsthis, retv, ei, bigtagW);
272 }
273
274 static HRESULT String_blink(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
275 VARIANT *retv, jsexcept_t *ei)
276 {
277 static const WCHAR blinktagW[] = {'B','L','I','N','K',0};
278 return do_attributeless_tag_format(ctx, jsthis, retv, ei, blinktagW);
279 }
280
281 static HRESULT String_bold(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
282 VARIANT *retv, jsexcept_t *ei)
283 {
284 static const WCHAR boldtagW[] = {'B',0};
285 return do_attributeless_tag_format(ctx, jsthis, retv, ei, boldtagW);
286 }
287
288 /* ECMA-262 3rd Edition 15.5.4.5 */
289 static HRESULT String_charAt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
290 VARIANT *retv, jsexcept_t *ei)
291 {
292 const WCHAR *str;
293 DWORD length;
294 BSTR ret, val_str;
295 INT pos = 0;
296 HRESULT hres;
297
298 TRACE("\n");
299
300 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
301 if(FAILED(hres))
302 return hres;
303
304 if(arg_cnt(dp)) {
305 VARIANT num;
306
307 hres = to_integer(ctx, get_arg(dp, 0), ei, &num);
308 if(FAILED(hres)) {
309 SysFreeString(val_str);
310 return hres;
311 }
312
313 if(V_VT(&num) == VT_I4) {
314 pos = V_I4(&num);
315 }else {
316 WARN("pos = %lf\n", V_R8(&num));
317 pos = -1;
318 }
319 }
320
321 if(!retv) {
322 SysFreeString(val_str);
323 return S_OK;
324 }
325
326 if(0 <= pos && pos < length)
327 ret = SysAllocStringLen(str+pos, 1);
328 else
329 ret = SysAllocStringLen(NULL, 0);
330 SysFreeString(val_str);
331 if(!ret) {
332 return E_OUTOFMEMORY;
333 }
334
335 V_VT(retv) = VT_BSTR;
336 V_BSTR(retv) = ret;
337 return S_OK;
338 }
339
340 /* ECMA-262 3rd Edition 15.5.4.5 */
341 static HRESULT String_charCodeAt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
342 VARIANT *retv, jsexcept_t *ei)
343 {
344 const WCHAR *str;
345 BSTR val_str;
346 DWORD length, idx = 0;
347 HRESULT hres;
348
349 TRACE("\n");
350
351 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
352 if(FAILED(hres))
353 return hres;
354
355 if(arg_cnt(dp) > 0) {
356 VARIANT v;
357
358 hres = to_integer(ctx, get_arg(dp, 0), ei, &v);
359 if(FAILED(hres)) {
360 SysFreeString(val_str);
361 return hres;
362 }
363
364 if(V_VT(&v) != VT_I4 || V_I4(&v) < 0 || V_I4(&v) >= length) {
365 if(retv) num_set_nan(&v);
366 SysFreeString(val_str);
367 return S_OK;
368 }
369
370 idx = V_I4(&v);
371 }
372
373 if(retv) {
374 V_VT(retv) = VT_I4;
375 V_I4(retv) = str[idx];
376 }
377
378 SysFreeString(val_str);
379 return S_OK;
380 }
381
382 /* ECMA-262 3rd Edition 15.5.4.6 */
383 static HRESULT String_concat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
384 VARIANT *retv, jsexcept_t *ei)
385 {
386 BSTR *strs = NULL, ret = NULL;
387 DWORD len = 0, i, l, str_cnt;
388 VARIANT var;
389 WCHAR *ptr;
390 HRESULT hres;
391
392 TRACE("\n");
393
394 str_cnt = arg_cnt(dp)+1;
395 strs = heap_alloc_zero(str_cnt * sizeof(BSTR));
396 if(!strs)
397 return E_OUTOFMEMORY;
398
399 V_VT(&var) = VT_DISPATCH;
400 V_DISPATCH(&var) = jsthis->u.disp;
401
402 hres = to_string(ctx, &var, ei, strs);
403 if(SUCCEEDED(hres)) {
404 for(i=0; i < arg_cnt(dp); i++) {
405 hres = to_string(ctx, get_arg(dp, i), ei, strs+i+1);
406 if(FAILED(hres))
407 break;
408 }
409 }
410
411 if(SUCCEEDED(hres)) {
412 for(i=0; i < str_cnt; i++)
413 len += SysStringLen(strs[i]);
414
415 ptr = ret = SysAllocStringLen(NULL, len);
416
417 for(i=0; i < str_cnt; i++) {
418 l = SysStringLen(strs[i]);
419 memcpy(ptr, strs[i], l*sizeof(WCHAR));
420 ptr += l;
421 }
422 }
423
424 for(i=0; i < str_cnt; i++)
425 SysFreeString(strs[i]);
426 heap_free(strs);
427
428 if(FAILED(hres))
429 return hres;
430
431 if(retv) {
432 V_VT(retv) = VT_BSTR;
433 V_BSTR(retv) = ret;
434 }else {
435 SysFreeString(ret);
436 }
437 return S_OK;
438 }
439
440 static HRESULT String_fixed(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
441 VARIANT *retv, jsexcept_t *ei)
442 {
443 static const WCHAR fixedtagW[] = {'T','T',0};
444 return do_attributeless_tag_format(ctx, jsthis, retv, ei, fixedtagW);
445 }
446
447 static HRESULT String_fontcolor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
448 VARIANT *retv, jsexcept_t *ei)
449 {
450 static const WCHAR fontW[] = {'F','O','N','T',0};
451 static const WCHAR colorW[] = {'C','O','L','O','R',0};
452
453 return do_attribute_tag_format(ctx, jsthis, dp, retv, ei, fontW, colorW);
454 }
455
456 static HRESULT String_fontsize(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
457 VARIANT *retv, jsexcept_t *ei)
458 {
459 static const WCHAR fontW[] = {'F','O','N','T',0};
460 static const WCHAR colorW[] = {'S','I','Z','E',0};
461
462 return do_attribute_tag_format(ctx, jsthis, dp, retv, ei, fontW, colorW);
463 }
464
465 static HRESULT String_indexOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
466 VARIANT *retv, jsexcept_t *ei)
467 {
468 DWORD length, pos = 0;
469 const WCHAR *str;
470 BSTR search_str, val_str;
471 INT ret = -1;
472 HRESULT hres;
473
474 TRACE("\n");
475
476 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
477 if(FAILED(hres))
478 return hres;
479
480 if(!arg_cnt(dp)) {
481 if(retv) {
482 V_VT(retv) = VT_I4;
483 V_I4(retv) = -1;
484 }
485 SysFreeString(val_str);
486 return S_OK;
487 }
488
489 hres = to_string(ctx, get_arg(dp,0), ei, &search_str);
490 if(FAILED(hres)) {
491 SysFreeString(val_str);
492 return hres;
493 }
494
495 if(arg_cnt(dp) >= 2) {
496 VARIANT ival;
497
498 hres = to_integer(ctx, get_arg(dp,1), ei, &ival);
499 if(SUCCEEDED(hres)) {
500 if(V_VT(&ival) == VT_I4)
501 pos = V_VT(&ival) > 0 ? V_I4(&ival) : 0;
502 else
503 pos = V_R8(&ival) > 0.0 ? length : 0;
504 if(pos > length)
505 pos = length;
506 }
507 }
508
509 if(SUCCEEDED(hres)) {
510 const WCHAR *ptr;
511
512 ptr = strstrW(str+pos, search_str);
513 if(ptr)
514 ret = ptr - str;
515 else
516 ret = -1;
517 }
518
519 SysFreeString(search_str);
520 SysFreeString(val_str);
521 if(FAILED(hres))
522 return hres;
523
524 if(retv) {
525 V_VT(retv) = VT_I4;
526 V_I4(retv) = ret;
527 }
528 return S_OK;
529 }
530
531 static HRESULT String_italics(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
532 VARIANT *retv, jsexcept_t *ei)
533 {
534 static const WCHAR italicstagW[] = {'I',0};
535 return do_attributeless_tag_format(ctx, jsthis, retv, ei, italicstagW);
536 }
537
538 /* ECMA-262 3rd Edition 15.5.4.8 */
539 static HRESULT String_lastIndexOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
540 VARIANT *retv, jsexcept_t *ei)
541 {
542 BSTR search_str, val_str;
543 DWORD length, pos, search_len;
544 const WCHAR *str;
545 INT ret = -1;
546 HRESULT hres;
547
548 TRACE("\n");
549
550 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
551 if(FAILED(hres))
552 return hres;
553
554 if(!arg_cnt(dp)) {
555 if(retv) {
556 V_VT(retv) = VT_I4;
557 V_I4(retv) = -1;
558 }
559 SysFreeString(val_str);
560 return S_OK;
561 }
562
563 hres = to_string(ctx, get_arg(dp,0), ei, &search_str);
564 if(FAILED(hres)) {
565 SysFreeString(val_str);
566 return hres;
567 }
568
569 search_len = SysStringLen(search_str);
570
571 if(arg_cnt(dp) >= 2) {
572 VARIANT ival;
573
574 hres = to_integer(ctx, get_arg(dp,1), ei, &ival);
575 if(SUCCEEDED(hres)) {
576 if(V_VT(&ival) == VT_I4)
577 pos = V_VT(&ival) > 0 ? V_I4(&ival) : 0;
578 else
579 pos = V_R8(&ival) > 0.0 ? length : 0;
580 if(pos > length)
581 pos = length;
582 }
583 }else {
584 pos = length;
585 }
586
587 if(SUCCEEDED(hres) && length >= search_len) {
588 const WCHAR *ptr;
589
590 for(ptr = str+min(pos, length-search_len); ptr >= str; ptr--) {
591 if(!memcmp(ptr, search_str, search_len*sizeof(WCHAR))) {
592 ret = ptr-str;
593 break;
594 }
595 }
596 }
597
598 SysFreeString(search_str);
599 SysFreeString(val_str);
600 if(FAILED(hres))
601 return hres;
602
603 if(retv) {
604 V_VT(retv) = VT_I4;
605 V_I4(retv) = ret;
606 }
607 return S_OK;
608 }
609
610 static HRESULT String_link(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
611 VARIANT *retv, jsexcept_t *ei)
612 {
613 static const WCHAR fontW[] = {'A',0};
614 static const WCHAR colorW[] = {'H','R','E','F',0};
615
616 return do_attribute_tag_format(ctx, jsthis, dp, retv, ei, fontW, colorW);
617 }
618
619 /* ECMA-262 3rd Edition 15.5.4.10 */
620 static HRESULT String_match(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
621 VARIANT *retv, jsexcept_t *ei)
622 {
623 const WCHAR *str;
624 jsdisp_t *regexp;
625 VARIANT *arg_var;
626 DWORD length;
627 BSTR val_str = NULL;
628 HRESULT hres = S_OK;
629
630 TRACE("\n");
631
632 if(!arg_cnt(dp)) {
633 if(retv) {
634 V_VT(retv) = VT_NULL;
635 }
636
637 return S_OK;
638 }
639
640 arg_var = get_arg(dp, 0);
641 switch(V_VT(arg_var)) {
642 case VT_DISPATCH:
643 regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg_var));
644 if(regexp) {
645 if(is_class(regexp, JSCLASS_REGEXP))
646 break;
647 jsdisp_release(regexp);
648 }
649 default: {
650 BSTR match_str;
651
652 hres = to_string(ctx, arg_var, ei, &match_str);
653 if(FAILED(hres))
654 return hres;
655
656 hres = create_regexp(ctx, match_str, SysStringLen(match_str), 0, &regexp);
657 SysFreeString(match_str);
658 if(FAILED(hres))
659 return hres;
660 }
661 }
662
663 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
664 if(SUCCEEDED(hres)) {
665 if(!val_str)
666 val_str = SysAllocStringLen(str, length);
667 if(val_str)
668 hres = regexp_string_match(ctx, regexp, val_str, retv, ei);
669 else
670 hres = E_OUTOFMEMORY;
671 }
672
673 jsdisp_release(regexp);
674 SysFreeString(val_str);
675 return hres;
676 }
677
678 typedef struct {
679 WCHAR *buf;
680 DWORD size;
681 DWORD len;
682 } strbuf_t;
683
684 static HRESULT strbuf_append(strbuf_t *buf, const WCHAR *str, DWORD len)
685 {
686 if(!len)
687 return S_OK;
688
689 if(len + buf->len > buf->size) {
690 WCHAR *new_buf;
691 DWORD new_size;
692
693 new_size = buf->size ? buf->size<<1 : 16;
694 if(new_size < buf->len+len)
695 new_size = buf->len+len;
696 if(buf->buf)
697 new_buf = heap_realloc(buf->buf, new_size*sizeof(WCHAR));
698 else
699 new_buf = heap_alloc(new_size*sizeof(WCHAR));
700 if(!new_buf)
701 return E_OUTOFMEMORY;
702
703 buf->buf = new_buf;
704 buf->size = new_size;
705 }
706
707 memcpy(buf->buf+buf->len, str, len*sizeof(WCHAR));
708 buf->len += len;
709 return S_OK;
710 }
711
712 static HRESULT rep_call(script_ctx_t *ctx, jsdisp_t *func, const WCHAR *str, match_result_t *match,
713 match_result_t *parens, DWORD parens_cnt, BSTR *ret, jsexcept_t *ei)
714 {
715 DISPPARAMS dp = {NULL, NULL, 0, 0};
716 VARIANTARG *args, *arg;
717 VARIANT var;
718 DWORD i;
719 HRESULT hres = S_OK;
720
721 dp.cArgs = parens_cnt+3;
722 dp.rgvarg = args = heap_alloc_zero(sizeof(VARIANT)*dp.cArgs);
723 if(!args)
724 return E_OUTOFMEMORY;
725
726 arg = get_arg(&dp,0);
727 V_VT(arg) = VT_BSTR;
728 V_BSTR(arg) = SysAllocStringLen(match->str, match->len);
729 if(!V_BSTR(arg))
730 hres = E_OUTOFMEMORY;
731
732 if(SUCCEEDED(hres)) {
733 for(i=0; i < parens_cnt; i++) {
734 arg = get_arg(&dp,i+1);
735 V_VT(arg) = VT_BSTR;
736 V_BSTR(arg) = SysAllocStringLen(parens[i].str, parens[i].len);
737 if(!V_BSTR(arg)) {
738 hres = E_OUTOFMEMORY;
739 break;
740 }
741 }
742 }
743
744 if(SUCCEEDED(hres)) {
745 arg = get_arg(&dp,parens_cnt+1);
746 V_VT(arg) = VT_I4;
747 V_I4(arg) = match->str - str;
748
749 arg = get_arg(&dp,parens_cnt+2);
750 V_VT(arg) = VT_BSTR;
751 V_BSTR(arg) = SysAllocString(str);
752 if(!V_BSTR(arg))
753 hres = E_OUTOFMEMORY;
754 }
755
756 if(SUCCEEDED(hres))
757 hres = jsdisp_call_value(func, DISPATCH_METHOD, &dp, &var, ei);
758
759 for(i=0; i < parens_cnt+3; i++) {
760 if(i != parens_cnt+1)
761 SysFreeString(V_BSTR(get_arg(&dp,i)));
762 }
763 heap_free(args);
764
765 if(FAILED(hres))
766 return hres;
767
768 hres = to_string(ctx, &var, ei, ret);
769 VariantClear(&var);
770 return hres;
771 }
772
773 /* ECMA-262 3rd Edition 15.5.4.11 */
774 static HRESULT String_replace(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
775 VARIANT *retv, jsexcept_t *ei)
776 {
777 const WCHAR *str;
778 DWORD parens_cnt = 0, parens_size=0, rep_len=0, length;
779 BSTR rep_str = NULL, match_str = NULL, ret_str, val_str;
780 jsdisp_t *rep_func = NULL, *regexp = NULL;
781 match_result_t *parens = NULL, match = {NULL,0}, **parens_ptr = &parens;
782 strbuf_t ret = {NULL,0,0};
783 DWORD re_flags = REM_NO_CTX_UPDATE;
784 VARIANT *arg_var;
785 HRESULT hres = S_OK;
786
787 TRACE("\n");
788
789 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
790 if(FAILED(hres))
791 return hres;
792
793 if(!arg_cnt(dp)) {
794 if(retv) {
795 if(!val_str) {
796 val_str = SysAllocStringLen(str, length);
797 if(!val_str)
798 return E_OUTOFMEMORY;
799 }
800
801 V_VT(retv) = VT_BSTR;
802 V_BSTR(retv) = val_str;
803 }
804 return S_OK;
805 }
806
807 arg_var = get_arg(dp, 0);
808 switch(V_VT(arg_var)) {
809 case VT_DISPATCH:
810 regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg_var));
811 if(regexp) {
812 if(is_class(regexp, JSCLASS_REGEXP)) {
813 break;
814 }else {
815 jsdisp_release(regexp);
816 regexp = NULL;
817 }
818 }
819
820 default:
821 hres = to_string(ctx, arg_var, ei, &match_str);
822 if(FAILED(hres)) {
823 SysFreeString(val_str);
824 return hres;
825 }
826 }
827
828 if(arg_cnt(dp) >= 2) {
829 arg_var = get_arg(dp,1);
830 switch(V_VT(arg_var)) {
831 case VT_DISPATCH:
832 rep_func = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg_var));
833 if(rep_func) {
834 if(is_class(rep_func, JSCLASS_FUNCTION)) {
835 break;
836 }else {
837 jsdisp_release(rep_func);
838 rep_func = NULL;
839 }
840 }
841
842 default:
843 hres = to_string(ctx, arg_var, ei, &rep_str);
844 if(FAILED(hres))
845 break;
846
847 rep_len = SysStringLen(rep_str);
848 if(!strchrW(rep_str, '$'))
849 parens_ptr = NULL;
850 }
851 }
852
853 if(SUCCEEDED(hres)) {
854 const WCHAR *cp, *ecp;
855
856 cp = ecp = str;
857
858 while(1) {
859 if(regexp) {
860 hres = regexp_match_next(ctx, regexp, re_flags, str, length, &cp, parens_ptr,
861 &parens_size, &parens_cnt, &match);
862 re_flags |= REM_CHECK_GLOBAL;
863
864 if(hres == S_FALSE) {
865 hres = S_OK;
866 break;
867 }
868 if(FAILED(hres))
869 break;
870
871 if(!match.len)
872 cp++;
873 }else {
874 match.str = strstrW(cp, match_str);
875 if(!match.str)
876 break;
877 match.len = SysStringLen(match_str);
878 cp = match.str+match.len;
879 }
880
881 hres = strbuf_append(&ret, ecp, match.str-ecp);
882 ecp = match.str+match.len;
883 if(FAILED(hres))
884 break;
885
886 if(rep_func) {
887 BSTR cstr;
888
889 hres = rep_call(ctx, rep_func, str, &match, parens, parens_cnt, &cstr, ei);
890 if(FAILED(hres))
891 break;
892
893 hres = strbuf_append(&ret, cstr, SysStringLen(cstr));
894 SysFreeString(cstr);
895 if(FAILED(hres))
896 break;
897 }else if(rep_str && regexp) {
898 const WCHAR *ptr = rep_str, *ptr2;
899
900 while((ptr2 = strchrW(ptr, '$'))) {
901 hres = strbuf_append(&ret, ptr, ptr2-ptr);
902 if(FAILED(hres))
903 break;
904
905 switch(ptr2[1]) {
906 case '$':
907 hres = strbuf_append(&ret, ptr2, 1);
908 ptr = ptr2+2;
909 break;
910 case '&':
911 hres = strbuf_append(&ret, match.str, match.len);
912 ptr = ptr2+2;
913 break;
914 case '`':
915 hres = strbuf_append(&ret, str, match.str-str);
916 ptr = ptr2+2;
917 break;
918 case '\'':
919 hres = strbuf_append(&ret, ecp, (str+length)-ecp);
920 ptr = ptr2+2;
921 break;
922 default: {
923 DWORD idx;
924
925 if(!isdigitW(ptr2[1])) {
926 hres = strbuf_append(&ret, ptr2, 1);
927 ptr = ptr2+1;
928 break;
929 }
930
931 idx = ptr2[1] - '0';
932 if(isdigitW(ptr2[2]) && idx*10 + (ptr2[2]-'0') <= parens_cnt) {
933 idx = idx*10 + (ptr[2]-'0');
934 ptr = ptr2+3;
935 }else if(idx && idx <= parens_cnt) {
936 ptr = ptr2+2;
937 }else {
938 hres = strbuf_append(&ret, ptr2, 1);
939 ptr = ptr2+1;
940 break;
941 }
942
943 hres = strbuf_append(&ret, parens[idx-1].str, parens[idx-1].len);
944 }
945 }
946
947 if(FAILED(hres))
948 break;
949 }
950
951 if(SUCCEEDED(hres))
952 hres = strbuf_append(&ret, ptr, (rep_str+rep_len)-ptr);
953 if(FAILED(hres))
954 break;
955 }else if(rep_str) {
956 hres = strbuf_append(&ret, rep_str, rep_len);
957 if(FAILED(hres))
958 break;
959 }else {
960 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d'};
961
962 hres = strbuf_append(&ret, undefinedW, sizeof(undefinedW)/sizeof(WCHAR));
963 if(FAILED(hres))
964 break;
965 }
966
967 if(!regexp)
968 break;
969 }
970
971 if(SUCCEEDED(hres))
972 hres = strbuf_append(&ret, ecp, (str+length)-ecp);
973 }
974
975 if(rep_func)
976 jsdisp_release(rep_func);
977 SysFreeString(rep_str);
978 SysFreeString(match_str);
979 heap_free(parens);
980
981 if(SUCCEEDED(hres) && match.str && regexp) {
982 if(!val_str)
983 val_str = SysAllocStringLen(str, length);
984 if(val_str) {
985 SysFreeString(ctx->last_match);
986 ctx->last_match = val_str;
987 val_str = NULL;
988 ctx->last_match_index = match.str-str;
989 ctx->last_match_length = match.len;
990 }else {
991 hres = E_OUTOFMEMORY;
992 }
993 }
994
995 if(regexp)
996 jsdisp_release(regexp);
997 SysFreeString(val_str);
998
999 if(SUCCEEDED(hres) && retv) {
1000 ret_str = SysAllocStringLen(ret.buf, ret.len);
1001 if(!ret_str)
1002 return E_OUTOFMEMORY;
1003
1004 V_VT(retv) = VT_BSTR;
1005 V_BSTR(retv) = ret_str;
1006 TRACE("= %s\n", debugstr_w(ret_str));
1007 }
1008
1009 heap_free(ret.buf);
1010 return hres;
1011 }
1012
1013 static HRESULT String_search(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1014 VARIANT *retv, jsexcept_t *ei)
1015 {
1016 jsdisp_t *regexp = NULL;
1017 const WCHAR *str, *cp;
1018 match_result_t match;
1019 VARIANT *arg;
1020 DWORD length;
1021 BSTR val_str;
1022 HRESULT hres;
1023
1024 TRACE("\n");
1025
1026 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
1027 if(FAILED(hres))
1028 return hres;
1029
1030 if(!arg_cnt(dp)) {
1031 if(retv)
1032 V_VT(retv) = VT_NULL;
1033 SysFreeString(val_str);
1034 return S_OK;
1035 }
1036
1037 arg = get_arg(dp,0);
1038 if(V_VT(arg) == VT_DISPATCH) {
1039 regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg));
1040 if(regexp) {
1041 if(!is_class(regexp, JSCLASS_REGEXP)) {
1042 jsdisp_release(regexp);
1043 regexp = NULL;
1044 }
1045 }
1046 }
1047
1048 if(!regexp) {
1049 hres = create_regexp_var(ctx, arg, NULL, &regexp);
1050 if(FAILED(hres)) {
1051 SysFreeString(val_str);
1052 return hres;
1053 }
1054 }
1055
1056 cp = str;
1057 hres = regexp_match_next(ctx, regexp, REM_RESET_INDEX, str, length, &cp, NULL, NULL, NULL, &match);
1058 SysFreeString(val_str);
1059 jsdisp_release(regexp);
1060 if(FAILED(hres))
1061 return hres;
1062
1063 if(retv) {
1064 V_VT(retv) = VT_I4;
1065 V_I4(retv) = hres == S_OK ? match.str-str : -1;
1066 }
1067 return S_OK;
1068 }
1069
1070 /* ECMA-262 3rd Edition 15.5.4.13 */
1071 static HRESULT String_slice(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1072 VARIANT *retv, jsexcept_t *ei)
1073 {
1074 const WCHAR *str;
1075 BSTR val_str;
1076 DWORD length;
1077 INT start=0, end;
1078 VARIANT v;
1079 HRESULT hres;
1080
1081 TRACE("\n");
1082
1083 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
1084 if(FAILED(hres))
1085 return hres;
1086
1087 if(arg_cnt(dp)) {
1088 hres = to_integer(ctx, get_arg(dp,0), ei, &v);
1089 if(FAILED(hres)) {
1090 SysFreeString(val_str);
1091 return hres;
1092 }
1093
1094 if(V_VT(&v) == VT_I4) {
1095 start = V_I4(&v);
1096 if(start < 0) {
1097 start = length + start;
1098 if(start < 0)
1099 start = 0;
1100 }else if(start > length) {
1101 start = length;
1102 }
1103 }else {
1104 start = V_R8(&v) < 0.0 ? 0 : length;
1105 }
1106 }else {
1107 start = 0;
1108 }
1109
1110 if(arg_cnt(dp) >= 2) {
1111 hres = to_integer(ctx, get_arg(dp,1), ei, &v);
1112 if(FAILED(hres)) {
1113 SysFreeString(val_str);
1114 return hres;
1115 }
1116
1117 if(V_VT(&v) == VT_I4) {
1118 end = V_I4(&v);
1119 if(end < 0) {
1120 end = length + end;
1121 if(end < 0)
1122 end = 0;
1123 }else if(end > length) {
1124 end = length;
1125 }
1126 }else {
1127 end = V_R8(&v) < 0.0 ? 0 : length;
1128 }
1129 }else {
1130 end = length;
1131 }
1132
1133 if(end < start)
1134 end = start;
1135
1136 if(retv) {
1137 BSTR retstr = SysAllocStringLen(str+start, end-start);
1138 if(!retstr) {
1139 SysFreeString(val_str);
1140 return E_OUTOFMEMORY;
1141 }
1142
1143 V_VT(retv) = VT_BSTR;
1144 V_BSTR(retv) = retstr;
1145 }
1146
1147 SysFreeString(val_str);
1148 return S_OK;
1149 }
1150
1151 static HRESULT String_small(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1152 VARIANT *retv, jsexcept_t *ei)
1153 {
1154 static const WCHAR smalltagW[] = {'S','M','A','L','L',0};
1155 return do_attributeless_tag_format(ctx, jsthis, retv, ei, smalltagW);
1156 }
1157
1158 static HRESULT String_split(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1159 VARIANT *retv, jsexcept_t *ei)
1160 {
1161 match_result_t *match_result = NULL;
1162 DWORD length, match_cnt, i, match_len = 0;
1163 const WCHAR *str, *ptr, *ptr2;
1164 BOOL use_regexp = FALSE;
1165 VARIANT *arg, var;
1166 jsdisp_t *array;
1167 BSTR val_str, match_str = NULL;
1168 HRESULT hres;
1169
1170 TRACE("\n");
1171
1172 if(arg_cnt(dp) != 1) {
1173 FIXME("unsupported args\n");
1174 return E_NOTIMPL;
1175 }
1176
1177 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
1178 if(FAILED(hres))
1179 return hres;
1180
1181 arg = get_arg(dp, 0);
1182 switch(V_VT(arg)) {
1183 case VT_DISPATCH: {
1184 jsdisp_t *regexp;
1185
1186 regexp = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg));
1187 if(regexp) {
1188 if(is_class(regexp, JSCLASS_REGEXP)) {
1189 use_regexp = TRUE;
1190 hres = regexp_match(ctx, regexp, str, length, TRUE, &match_result, &match_cnt);
1191 jsdisp_release(regexp);
1192 if(FAILED(hres)) {
1193 SysFreeString(val_str);
1194 return hres;
1195 }
1196 break;
1197 }
1198 jsdisp_release(regexp);
1199 }
1200 }
1201 default:
1202 hres = to_string(ctx, arg, ei, &match_str);
1203 if(FAILED(hres)) {
1204 SysFreeString(val_str);
1205 return hres;
1206 }
1207
1208 match_len = SysStringLen(match_str);
1209 if(!match_len) {
1210 SysFreeString(match_str);
1211 match_str = NULL;
1212 }
1213 }
1214
1215 hres = create_array(ctx, 0, &array);
1216
1217 if(SUCCEEDED(hres)) {
1218 ptr = str;
1219 for(i=0;; i++) {
1220 if(use_regexp) {
1221 if(i == match_cnt)
1222 break;
1223 ptr2 = match_result[i].str;
1224 }else if(match_str) {
1225 ptr2 = strstrW(ptr, match_str);
1226 if(!ptr2)
1227 break;
1228 }else {
1229 if(!*ptr)
1230 break;
1231 ptr2 = ptr+1;
1232 }
1233
1234 V_VT(&var) = VT_BSTR;
1235 V_BSTR(&var) = SysAllocStringLen(ptr, ptr2-ptr);
1236 if(!V_BSTR(&var)) {
1237 hres = E_OUTOFMEMORY;
1238 break;
1239 }
1240
1241 hres = jsdisp_propput_idx(array, i, &var, ei);
1242 SysFreeString(V_BSTR(&var));
1243 if(FAILED(hres))
1244 break;
1245
1246 if(use_regexp)
1247 ptr = match_result[i].str + match_result[i].len;
1248 else if(match_str)
1249 ptr = ptr2 + match_len;
1250 else
1251 ptr++;
1252 }
1253 }
1254
1255 if(SUCCEEDED(hres) && (match_str || use_regexp)) {
1256 DWORD len = (str+length) - ptr;
1257
1258 if(len || match_str) {
1259 V_VT(&var) = VT_BSTR;
1260 V_BSTR(&var) = SysAllocStringLen(ptr, len);
1261
1262 if(V_BSTR(&var)) {
1263 hres = jsdisp_propput_idx(array, i, &var, ei);
1264 SysFreeString(V_BSTR(&var));
1265 }else {
1266 hres = E_OUTOFMEMORY;
1267 }
1268 }
1269 }
1270
1271 SysFreeString(match_str);
1272 SysFreeString(val_str);
1273 heap_free(match_result);
1274
1275 if(SUCCEEDED(hres) && retv)
1276 var_set_jsdisp(retv, array);
1277 else
1278 jsdisp_release(array);
1279
1280 return hres;
1281 }
1282
1283 static HRESULT String_strike(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1284 VARIANT *retv, jsexcept_t *ei)
1285 {
1286 static const WCHAR striketagW[] = {'S','T','R','I','K','E',0};
1287 return do_attributeless_tag_format(ctx, jsthis, retv, ei, striketagW);
1288 }
1289
1290 static HRESULT String_sub(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1291 VARIANT *retv, jsexcept_t *ei)
1292 {
1293 static const WCHAR subtagW[] = {'S','U','B',0};
1294 return do_attributeless_tag_format(ctx, jsthis, retv, ei, subtagW);
1295 }
1296
1297 /* ECMA-262 3rd Edition 15.5.4.15 */
1298 static HRESULT String_substring(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1299 VARIANT *retv, jsexcept_t *ei)
1300 {
1301 const WCHAR *str;
1302 BSTR val_str;
1303 INT start=0, end;
1304 DWORD length;
1305 VARIANT v;
1306 HRESULT hres;
1307
1308 TRACE("\n");
1309
1310 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
1311 if(FAILED(hres))
1312 return hres;
1313
1314 if(arg_cnt(dp) >= 1) {
1315 hres = to_integer(ctx, get_arg(dp,0), ei, &v);
1316 if(FAILED(hres)) {
1317 SysFreeString(val_str);
1318 return hres;
1319 }
1320
1321 if(V_VT(&v) == VT_I4) {
1322 start = V_I4(&v);
1323 if(start < 0)
1324 start = 0;
1325 else if(start >= length)
1326 start = length;
1327 }else {
1328 start = V_R8(&v) < 0.0 ? 0 : length;
1329 }
1330 }
1331
1332 if(arg_cnt(dp) >= 2) {
1333 hres = to_integer(ctx, get_arg(dp,1), ei, &v);
1334 if(FAILED(hres)) {
1335 SysFreeString(val_str);
1336 return hres;
1337 }
1338
1339 if(V_VT(&v) == VT_I4) {
1340 end = V_I4(&v);
1341 if(end < 0)
1342 end = 0;
1343 else if(end > length)
1344 end = length;
1345 }else {
1346 end = V_R8(&v) < 0.0 ? 0 : length;
1347 }
1348 }else {
1349 end = length;
1350 }
1351
1352 if(start > end) {
1353 INT tmp = start;
1354 start = end;
1355 end = tmp;
1356 }
1357
1358 if(retv) {
1359 V_VT(retv) = VT_BSTR;
1360 V_BSTR(retv) = SysAllocStringLen(str+start, end-start);
1361 if(!V_BSTR(retv)) {
1362 SysFreeString(val_str);
1363 return E_OUTOFMEMORY;
1364 }
1365 }
1366 SysFreeString(val_str);
1367 return S_OK;
1368 }
1369
1370 /* ECMA-262 3rd Edition B.2.3 */
1371 static HRESULT String_substr(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1372 VARIANT *retv, jsexcept_t *ei)
1373 {
1374 BSTR val_str;
1375 const WCHAR *str;
1376 INT start=0, len;
1377 DWORD length;
1378 VARIANT v;
1379 HRESULT hres;
1380
1381 TRACE("\n");
1382
1383 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
1384 if(FAILED(hres))
1385 return hres;
1386
1387 if(arg_cnt(dp) >= 1) {
1388 hres = to_integer(ctx, get_arg(dp,0), ei, &v);
1389 if(FAILED(hres)) {
1390 SysFreeString(val_str);
1391 return hres;
1392 }
1393
1394 if(V_VT(&v) == VT_I4) {
1395 start = V_I4(&v);
1396 if(start < 0)
1397 start = 0;
1398 else if(start >= length)
1399 start = length;
1400 }else {
1401 start = V_R8(&v) < 0.0 ? 0 : length;
1402 }
1403 }
1404
1405 if(arg_cnt(dp) >= 2) {
1406 hres = to_integer(ctx, get_arg(dp,1), ei, &v);
1407 if(FAILED(hres)) {
1408 SysFreeString(val_str);
1409 return hres;
1410 }
1411
1412 if(V_VT(&v) == VT_I4) {
1413 len = V_I4(&v);
1414 if(len < 0)
1415 len = 0;
1416 else if(len > length-start)
1417 len = length-start;
1418 }else {
1419 len = V_R8(&v) < 0.0 ? 0 : length-start;
1420 }
1421 }else {
1422 len = length-start;
1423 }
1424
1425 hres = S_OK;
1426 if(retv) {
1427 V_VT(retv) = VT_BSTR;
1428 V_BSTR(retv) = SysAllocStringLen(str+start, len);
1429 if(!V_BSTR(retv))
1430 hres = E_OUTOFMEMORY;
1431 }
1432
1433 SysFreeString(val_str);
1434 return hres;
1435 }
1436
1437 static HRESULT String_sup(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1438 VARIANT *retv, jsexcept_t *ei)
1439 {
1440 static const WCHAR suptagW[] = {'S','U','P',0};
1441 return do_attributeless_tag_format(ctx, jsthis, retv, ei, suptagW);
1442 }
1443
1444 static HRESULT String_toLowerCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1445 VARIANT *retv, jsexcept_t *ei)
1446 {
1447 const WCHAR* str;
1448 DWORD length;
1449 BSTR val_str;
1450 HRESULT hres;
1451
1452 TRACE("\n");
1453
1454 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
1455 if(FAILED(hres))
1456 return hres;
1457
1458 if(retv) {
1459 if(!val_str) {
1460 val_str = SysAllocStringLen(str, length);
1461 if(!val_str)
1462 return E_OUTOFMEMORY;
1463 }
1464
1465 strlwrW(val_str);
1466
1467 V_VT(retv) = VT_BSTR;
1468 V_BSTR(retv) = val_str;
1469 }
1470 else SysFreeString(val_str);
1471 return S_OK;
1472 }
1473
1474 static HRESULT String_toUpperCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1475 VARIANT *retv, jsexcept_t *ei)
1476 {
1477 const WCHAR* str;
1478 DWORD length;
1479 BSTR val_str;
1480 HRESULT hres;
1481
1482 TRACE("\n");
1483
1484 hres = get_string_val(ctx, jsthis, ei, &str, &length, &val_str);
1485 if(FAILED(hres))
1486 return hres;
1487
1488 if(retv) {
1489 if(!val_str) {
1490 val_str = SysAllocStringLen(str, length);
1491 if(!val_str)
1492 return E_OUTOFMEMORY;
1493 }
1494
1495 struprW(val_str);
1496
1497 V_VT(retv) = VT_BSTR;
1498 V_BSTR(retv) = val_str;
1499 }
1500 else SysFreeString(val_str);
1501 return S_OK;
1502 }
1503
1504 static HRESULT String_toLocaleLowerCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1505 VARIANT *retv, jsexcept_t *ei)
1506 {
1507 FIXME("\n");
1508 return E_NOTIMPL;
1509 }
1510
1511 static HRESULT String_toLocaleUpperCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1512 VARIANT *retv, jsexcept_t *ei)
1513 {
1514 FIXME("\n");
1515 return E_NOTIMPL;
1516 }
1517
1518 static HRESULT String_localeCompare(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1519 VARIANT *retv, jsexcept_t *ei)
1520 {
1521 FIXME("\n");
1522 return E_NOTIMPL;
1523 }
1524
1525 static HRESULT String_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1526 VARIANT *retv, jsexcept_t *ei)
1527 {
1528 StringInstance *This = string_from_vdisp(jsthis);
1529
1530 TRACE("\n");
1531
1532 switch(flags) {
1533 case INVOKE_FUNC:
1534 return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
1535 case DISPATCH_PROPERTYGET: {
1536 BSTR str = SysAllocString(This->str);
1537 if(!str)
1538 return E_OUTOFMEMORY;
1539
1540 V_VT(retv) = VT_BSTR;
1541 V_BSTR(retv) = str;
1542 break;
1543 }
1544 default:
1545 FIXME("flags %x\n", flags);
1546 return E_NOTIMPL;
1547 }
1548
1549 return S_OK;
1550 }
1551
1552 static void String_destructor(jsdisp_t *dispex)
1553 {
1554 StringInstance *This = (StringInstance*)dispex;
1555
1556 heap_free(This->str);
1557 heap_free(This);
1558 }
1559
1560 static const builtin_prop_t String_props[] = {
1561 {anchorW, String_anchor, PROPF_METHOD|1},
1562 {bigW, String_big, PROPF_METHOD},
1563 {blinkW, String_blink, PROPF_METHOD},
1564 {boldW, String_bold, PROPF_METHOD},
1565 {charAtW, String_charAt, PROPF_METHOD|1},
1566 {charCodeAtW, String_charCodeAt, PROPF_METHOD|1},
1567 {concatW, String_concat, PROPF_METHOD|1},
1568 {fixedW, String_fixed, PROPF_METHOD},
1569 {fontcolorW, String_fontcolor, PROPF_METHOD|1},
1570 {fontsizeW, String_fontsize, PROPF_METHOD|1},
1571 {indexOfW, String_indexOf, PROPF_METHOD|2},
1572 {italicsW, String_italics, PROPF_METHOD},
1573 {lastIndexOfW, String_lastIndexOf, PROPF_METHOD|2},
1574 {lengthW, String_length, 0},
1575 {linkW, String_link, PROPF_METHOD|1},
1576 {localeCompareW, String_localeCompare, PROPF_METHOD|1},
1577 {matchW, String_match, PROPF_METHOD|1},
1578 {replaceW, String_replace, PROPF_METHOD|1},
1579 {searchW, String_search, PROPF_METHOD},
1580 {sliceW, String_slice, PROPF_METHOD},
1581 {smallW, String_small, PROPF_METHOD},
1582 {splitW, String_split, PROPF_METHOD|2},
1583 {strikeW, String_strike, PROPF_METHOD},
1584 {subW, String_sub, PROPF_METHOD},
1585 {substrW, String_substr, PROPF_METHOD|2},
1586 {substringW, String_substring, PROPF_METHOD|2},
1587 {supW, String_sup, PROPF_METHOD},
1588 {toLocaleLowerCaseW, String_toLocaleLowerCase, PROPF_METHOD},
1589 {toLocaleUpperCaseW, String_toLocaleUpperCase, PROPF_METHOD},
1590 {toLowerCaseW, String_toLowerCase, PROPF_METHOD},
1591 {toStringW, String_toString, PROPF_METHOD},
1592 {toUpperCaseW, String_toUpperCase, PROPF_METHOD},
1593 {valueOfW, String_valueOf, PROPF_METHOD}
1594 };
1595
1596 static const builtin_info_t String_info = {
1597 JSCLASS_STRING,
1598 {NULL, String_value, 0},
1599 sizeof(String_props)/sizeof(*String_props),
1600 String_props,
1601 String_destructor,
1602 NULL
1603 };
1604
1605 /* ECMA-262 3rd Edition 15.5.3.2 */
1606 static HRESULT StringConstr_fromCharCode(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
1607 DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
1608 {
1609 DWORD i, code;
1610 BSTR ret;
1611 HRESULT hres;
1612
1613 ret = SysAllocStringLen(NULL, arg_cnt(dp));
1614 if(!ret)
1615 return E_OUTOFMEMORY;
1616
1617 for(i=0; i<arg_cnt(dp); i++) {
1618 hres = to_uint32(ctx, get_arg(dp, i), ei, &code);
1619 if(FAILED(hres)) {
1620 SysFreeString(ret);
1621 return hres;
1622 }
1623
1624 ret[i] = code;
1625 }
1626
1627 if(retv) {
1628 V_VT(retv) = VT_BSTR;
1629 V_BSTR(retv) = ret;
1630 }
1631 else SysFreeString(ret);
1632
1633 return S_OK;
1634 }
1635
1636 static HRESULT StringConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1637 VARIANT *retv, jsexcept_t *ei)
1638 {
1639 HRESULT hres;
1640
1641 TRACE("\n");
1642
1643 switch(flags) {
1644 case INVOKE_FUNC: {
1645 BSTR str;
1646
1647 if(arg_cnt(dp)) {
1648 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
1649 if(FAILED(hres))
1650 return hres;
1651 }else {
1652 str = SysAllocStringLen(NULL, 0);
1653 if(!str)
1654 return E_OUTOFMEMORY;
1655 }
1656
1657 V_VT(retv) = VT_BSTR;
1658 V_BSTR(retv) = str;
1659 break;
1660 }
1661 case DISPATCH_CONSTRUCT: {
1662 jsdisp_t *ret;
1663
1664 if(arg_cnt(dp)) {
1665 BSTR str;
1666
1667 hres = to_string(ctx, get_arg(dp, 0), ei, &str);
1668 if(FAILED(hres))
1669 return hres;
1670
1671 hres = create_string(ctx, str, SysStringLen(str), &ret);
1672 SysFreeString(str);
1673 }else {
1674 hres = create_string(ctx, NULL, 0, &ret);
1675 }
1676
1677 if(FAILED(hres))
1678 return hres;
1679
1680 var_set_jsdisp(retv, ret);
1681 break;
1682 }
1683
1684 default:
1685 FIXME("unimplemented flags: %x\n", flags);
1686 return E_NOTIMPL;
1687 }
1688
1689 return S_OK;
1690 }
1691
1692 static HRESULT string_alloc(script_ctx_t *ctx, jsdisp_t *object_prototype, StringInstance **ret)
1693 {
1694 StringInstance *string;
1695 HRESULT hres;
1696
1697 string = heap_alloc_zero(sizeof(StringInstance));
1698 if(!string)
1699 return E_OUTOFMEMORY;
1700
1701 if(object_prototype)
1702 hres = init_dispex(&string->dispex, ctx, &String_info, object_prototype);
1703 else
1704 hres = init_dispex_from_constr(&string->dispex, ctx, &String_info, ctx->string_constr);
1705 if(FAILED(hres)) {
1706 heap_free(string);
1707 return hres;
1708 }
1709
1710 *ret = string;
1711 return S_OK;
1712 }
1713
1714 static const builtin_prop_t StringConstr_props[] = {
1715 {fromCharCodeW, StringConstr_fromCharCode, PROPF_METHOD},
1716 };
1717
1718 static const builtin_info_t StringConstr_info = {
1719 JSCLASS_FUNCTION,
1720 {NULL, Function_value, 0},
1721 sizeof(StringConstr_props)/sizeof(*StringConstr_props),
1722 StringConstr_props,
1723 NULL,
1724 NULL
1725 };
1726
1727 HRESULT create_string_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
1728 {
1729 StringInstance *string;
1730 HRESULT hres;
1731
1732 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
1733
1734 hres = string_alloc(ctx, object_prototype, &string);
1735 if(FAILED(hres))
1736 return hres;
1737
1738 hres = create_builtin_function(ctx, StringConstr_value, StringW, &StringConstr_info,
1739 PROPF_CONSTR|1, &string->dispex, ret);
1740
1741 jsdisp_release(&string->dispex);
1742 return hres;
1743 }
1744
1745 HRESULT create_string(script_ctx_t *ctx, const WCHAR *str, DWORD len, jsdisp_t **ret)
1746 {
1747 StringInstance *string;
1748 HRESULT hres;
1749
1750 hres = string_alloc(ctx, NULL, &string);
1751 if(FAILED(hres))
1752 return hres;
1753
1754 if(len == -1)
1755 len = strlenW(str);
1756
1757 string->length = len;
1758 string->str = heap_alloc((len+1)*sizeof(WCHAR));
1759 if(!string->str) {
1760 jsdisp_release(&string->dispex);
1761 return E_OUTOFMEMORY;
1762 }
1763
1764 memcpy(string->str, str, len*sizeof(WCHAR));
1765 string->str[len] = 0;
1766
1767 *ret = &string->dispex;
1768 return S_OK;
1769
1770 }
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