dlls/mshtml/range.c

   1 /*
   2  * Copyright 2006-2007 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 <stdarg.h>
  20 #include <assert.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "ole2.h"
  28 #include "mshtmcid.h"
  29
  30 #include "wine/debug.h"
  31
  32 #include "mshtml_private.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  35
  36 typedef struct {
  37     DispatchEx dispex;
  38     IHTMLTxtRange     IHTMLTxtRange_iface;
  39     IOleCommandTarget IOleCommandTarget_iface;
  40
  41     LONG ref;
  42
  43     nsIDOMRange *nsrange;
  44     HTMLDocumentNode *doc;
  45
  46     struct list entry;
  47 } HTMLTxtRange;
  48
  49 typedef struct {
  50     DispatchEx dispex;
  51     IHTMLDOMRange IHTMLDOMRange_iface;
  52
  53     LONG ref;
  54
  55     nsIDOMRange *nsrange;
  56 } HTMLDOMRange;
  57
  58 typedef struct {
  59     WCHAR *buf;
  60     DWORD len;
  61     DWORD size;
  62 } wstrbuf_t;
  63
  64 typedef struct {
  65     UINT16 type;
  66     nsIDOMNode *node;
  67     UINT32 off;
  68 } rangepoint_t;
  69
  70 typedef enum {
  71     RU_UNKNOWN,
  72     RU_CHAR,
  73     RU_WORD,
  74     RU_SENTENCE,
  75     RU_TEXTEDIT
  76 } range_unit_t;
  77
  78 static HTMLTxtRange *get_range_object(HTMLDocumentNode *doc, IHTMLTxtRange *iface)
  79 {
  80     HTMLTxtRange *iter;
  81
  82     LIST_FOR_EACH_ENTRY(iter, &doc->range_list, HTMLTxtRange, entry) {
  83         if(&iter->IHTMLTxtRange_iface == iface)
  84             return iter;
  85     }
  86
  87     ERR("Could not find range in document\n");
  88     return NULL;
  89 }
  90
  91 static range_unit_t string_to_unit(LPCWSTR str)
  92 {
  93     if(!wcsicmp(str, L"character"))  return RU_CHAR;
  94     if(!wcsicmp(str, L"word"))       return RU_WORD;
  95     if(!wcsicmp(str, L"sentence"))   return RU_SENTENCE;
  96     if(!wcsicmp(str, L"textedit"))   return RU_TEXTEDIT;
  97
  98     return RU_UNKNOWN;
  99 }
 100
 101 static int string_to_nscmptype(LPCWSTR str)
 102 {
 103     if(!wcsicmp(str, L"StartToEnd"))  return NS_START_TO_END;
 104     if(!wcsicmp(str, L"StartToStart"))  return NS_START_TO_START;
 105     if(!wcsicmp(str, L"EndToStart"))  return NS_END_TO_START;
 106     if(!wcsicmp(str, L"EndToEnd"))  return NS_END_TO_END;
 107
 108     return -1;
 109 }
 110
 111 static UINT16 get_node_type(nsIDOMNode *node)
 112 {
 113     UINT16 type = 0;
 114
 115     if(node)
 116         nsIDOMNode_GetNodeType(node, &type);
 117
 118     return type;
 119 }
 120
 121 static void get_text_node_data(nsIDOMNode *node, nsAString *nsstr, const PRUnichar **str)
 122 {
 123     nsIDOMText *nstext;
 124     nsresult nsres;
 125
 126     nsres = nsIDOMNode_QueryInterface(node, &IID_nsIDOMText, (void**)&nstext);
 127     assert(nsres == NS_OK);
 128
 129     nsAString_Init(nsstr, NULL);
 130     nsres = nsIDOMText_GetData(nstext, nsstr);
 131     nsIDOMText_Release(nstext);
 132     if(NS_FAILED(nsres))
 133         ERR("GetData failed: %08x\n", nsres);
 134
 135     nsAString_GetData(nsstr, str);
 136 }
 137
 138 static nsIDOMNode *get_child_node(nsIDOMNode *node, UINT32 off)
 139 {
 140     nsIDOMNodeList *node_list;
 141     nsIDOMNode *ret = NULL;
 142
 143     nsIDOMNode_GetChildNodes(node, &node_list);
 144     nsIDOMNodeList_Item(node_list, off, &ret);
 145     nsIDOMNodeList_Release(node_list);
 146
 147     return ret;
 148 }
 149
 150 /* This is very inefficient, but there is no faster way to compute index in
 151  * child node list using public API. Gecko has internal nsINode::IndexOf
 152  * function that we could consider exporting and use instead. */
 153 static int get_child_index(nsIDOMNode *parent, nsIDOMNode *child)
 154 {
 155     nsIDOMNodeList *node_list;
 156     nsIDOMNode *node;
 157     int ret = 0;
 158     nsresult nsres;
 159
 160     nsres = nsIDOMNode_GetChildNodes(parent, &node_list);
 161     assert(nsres == NS_OK);
 162
 163     while(1) {
 164         nsres = nsIDOMNodeList_Item(node_list, ret, &node);
 165         assert(nsres == NS_OK && node);
 166         if(node == child) {
 167             nsIDOMNode_Release(node);
 168             break;
 169         }
 170         nsIDOMNode_Release(node);
 171         ret++;
 172     }
 173
 174     nsIDOMNodeList_Release(node_list);
 175     return ret;
 176 }
 177
 178 static void init_rangepoint(rangepoint_t *rangepoint, nsIDOMNode *node, UINT32 off)
 179 {
 180     nsIDOMNode_AddRef(node);
 181
 182     rangepoint->type = get_node_type(node);
 183     rangepoint->node = node;
 184     rangepoint->off = off;
 185 }
 186
 187 static inline void free_rangepoint(rangepoint_t *rangepoint)
 188 {
 189     nsIDOMNode_Release(rangepoint->node);
 190 }
 191
 192 static inline BOOL rangepoint_cmp(const rangepoint_t *point1, const rangepoint_t *point2)
 193 {
 194     return point1->node == point2->node && point1->off == point2->off;
 195 }
 196
 197 static BOOL rangepoint_next_node(rangepoint_t *iter)
 198 {
 199     nsIDOMNode *node;
 200     UINT32 off;
 201     nsresult nsres;
 202
 203     /* Try to move to the child node. */
 204     node = get_child_node(iter->node, iter->off);
 205     if(node) {
 206         free_rangepoint(iter);
 207         init_rangepoint(iter, node, 0);
 208         nsIDOMNode_Release(node);
 209         return TRUE;
 210     }
 211
 212     /* There are no more children in the node. Move to parent. */
 213     nsres = nsIDOMNode_GetParentNode(iter->node, &node);
 214     assert(nsres == NS_OK);
 215     if(!node)
 216         return FALSE;
 217
 218     off = get_child_index(node, iter->node)+1;
 219     free_rangepoint(iter);
 220     init_rangepoint(iter, node, off);
 221     nsIDOMNode_Release(node);
 222     return TRUE;
 223 }
 224
 225 static UINT32 get_child_count(nsIDOMNode *node)
 226 {
 227     nsIDOMNodeList *node_list;
 228     UINT32 ret;
 229     nsresult nsres;
 230
 231     nsres = nsIDOMNode_GetChildNodes(node, &node_list);
 232     assert(nsres == NS_OK);
 233
 234     nsres = nsIDOMNodeList_GetLength(node_list, &ret);
 235     nsIDOMNodeList_Release(node_list);
 236     assert(nsres == NS_OK);
 237
 238     return ret;
 239 }
 240
 241 static UINT32 get_text_length(nsIDOMNode *node)
 242 {
 243     nsIDOMText *nstext;
 244     UINT32 ret;
 245     nsresult nsres;
 246
 247     nsres = nsIDOMNode_QueryInterface(node, &IID_nsIDOMText, (void**)&nstext);
 248     assert(nsres == NS_OK);
 249
 250     nsres = nsIDOMText_GetLength(nstext, &ret);
 251     nsIDOMText_Release(nstext);
 252     assert(nsres == NS_OK);
 253
 254     return ret;
 255 }
 256
 257 static BOOL rangepoint_prev_node(rangepoint_t *iter)
 258 {
 259     nsIDOMNode *node;
 260     UINT32 off;
 261     nsresult nsres;
 262
 263     /* Try to move to the child node. */
 264     if(iter->off) {
 265         node = get_child_node(iter->node, iter->off-1);
 266         assert(node != NULL);
 267
 268         off = get_node_type(node) == TEXT_NODE ? get_text_length(node) : get_child_count(node);
 269         free_rangepoint(iter);
 270         init_rangepoint(iter, node, off);
 271         nsIDOMNode_Release(node);
 272         return TRUE;
 273     }
 274
 275     /* There are no more children in the node. Move to parent. */
 276     nsres = nsIDOMNode_GetParentNode(iter->node, &node);
 277     assert(nsres == NS_OK);
 278     if(!node)
 279         return FALSE;
 280
 281     off = get_child_index(node, iter->node);
 282     free_rangepoint(iter);
 283     init_rangepoint(iter, node, off);
 284     return TRUE;
 285 }
 286
 287 static void get_start_point(HTMLTxtRange *This, rangepoint_t *ret)
 288 {
 289     nsIDOMNode *node;
 290     LONG off;
 291
 292     nsIDOMRange_GetStartContainer(This->nsrange, &node);
 293     nsIDOMRange_GetStartOffset(This->nsrange, &off);
 294
 295     init_rangepoint(ret, node, off);
 296
 297     nsIDOMNode_Release(node);
 298 }
 299
 300 static void get_end_point(HTMLTxtRange *This, rangepoint_t *ret)
 301 {
 302     nsIDOMNode *node;
 303     LONG off;
 304
 305     nsIDOMRange_GetEndContainer(This->nsrange, &node);
 306     nsIDOMRange_GetEndOffset(This->nsrange, &off);
 307
 308     init_rangepoint(ret, node, off);
 309
 310     nsIDOMNode_Release(node);
 311 }
 312
 313 static void set_start_point(HTMLTxtRange *This, const rangepoint_t *start)
 314 {
 315     nsresult nsres = nsIDOMRange_SetStart(This->nsrange, start->node, start->off);
 316     if(NS_FAILED(nsres))
 317         ERR("failed: %08x\n", nsres);
 318 }
 319
 320 static void set_end_point(HTMLTxtRange *This, const rangepoint_t *end)
 321 {
 322     nsresult nsres = nsIDOMRange_SetEnd(This->nsrange, end->node, end->off);
 323     if(NS_FAILED(nsres))
 324         ERR("failed: %08x\n", nsres);
 325 }
 326
 327 static BOOL is_elem_tag(nsIDOMNode *node, LPCWSTR istag)
 328 {
 329     nsIDOMElement *elem;
 330     nsAString tag_str;
 331     const PRUnichar *tag;
 332     BOOL ret = FALSE;
 333     nsresult nsres;
 334
 335     nsres = nsIDOMNode_QueryInterface(node, &IID_nsIDOMElement, (void**)&elem);
 336     if(NS_FAILED(nsres))
 337         return FALSE;
 338
 339     nsAString_Init(&tag_str, NULL);
 340     nsIDOMElement_GetTagName(elem, &tag_str);
 341     nsIDOMElement_Release(elem);
 342     nsAString_GetData(&tag_str, &tag);
 343
 344     ret = !wcsicmp(tag, istag);
 345
 346     nsAString_Finish(&tag_str);
 347
 348     return ret;
 349 }
 350
 351 static inline BOOL wstrbuf_init(wstrbuf_t *buf)
 352 {
 353     buf->len = 0;
 354     buf->size = 16;
 355     buf->buf = heap_alloc(buf->size * sizeof(WCHAR));
 356     if (!buf->buf) return FALSE;
 357     *buf->buf = 0;
 358     return TRUE;
 359 }
 360
 361 static inline void wstrbuf_finish(wstrbuf_t *buf)
 362 {
 363     heap_free(buf->buf);
 364 }
 365
 366 static void wstrbuf_append_len(wstrbuf_t *buf, LPCWSTR str, int len)
 367 {
 368     if(buf->len+len >= buf->size) {
 369         buf->size = 2*buf->size+len;
 370         buf->buf = heap_realloc(buf->buf, buf->size * sizeof(WCHAR));
 371     }
 372
 373     memcpy(buf->buf+buf->len, str, len*sizeof(WCHAR));
 374     buf->len += len;
 375     buf->buf[buf->len] = 0;
 376 }
 377
 378 static void wstrbuf_append_nodetxt(wstrbuf_t *buf, LPCWSTR str, int len)
 379 {
 380     const WCHAR *s = str;
 381     WCHAR *d;
 382
 383     TRACE("%s\n", debugstr_wn(str, len));
 384
 385     if(buf->len+len >= buf->size) {
 386         buf->size = 2*buf->size+len;
 387         buf->buf = heap_realloc(buf->buf, buf->size * sizeof(WCHAR));
 388     }
 389
 390     if(buf->len && iswspace(buf->buf[buf->len-1])) {
 391         while(s < str+len && iswspace(*s))
 392             s++;
 393     }
 394
 395     d = buf->buf+buf->len;
 396     while(s < str+len) {
 397         if(iswspace(*s)) {
 398             *d++ = ' ';
 399             s++;
 400             while(s < str+len && iswspace(*s))
 401                 s++;
 402         }else {
 403             *d++ = *s++;
 404         }
 405     }
 406
 407     buf->len = d - buf->buf;
 408     *d = 0;
 409 }
 410
 411 static void wstrbuf_append_node(wstrbuf_t *buf, nsIDOMNode *node, BOOL ignore_text)
 412 {
 413
 414     switch(get_node_type(node)) {
 415     case TEXT_NODE: {
 416         nsIDOMText *nstext;
 417         nsAString data_str;
 418         const PRUnichar *data;
 419
 420         if(ignore_text)
 421             break;
 422
 423         nsIDOMNode_QueryInterface(node, &IID_nsIDOMText, (void**)&nstext);
 424
 425         nsAString_Init(&data_str, NULL);
 426         nsIDOMText_GetData(nstext, &data_str);
 427         nsAString_GetData(&data_str, &data);
 428         wstrbuf_append_nodetxt(buf, data, lstrlenW(data));
 429         nsAString_Finish(&data_str);
 430
 431         nsIDOMText_Release(nstext);
 432
 433         break;
 434     }
 435     case ELEMENT_NODE:
 436         if(is_elem_tag(node, L"br")) {
 437             static const WCHAR endlW[] = {'\r','\n'};
 438             wstrbuf_append_len(buf, endlW, 2);
 439         }else if(is_elem_tag(node, L"hr")) {
 440             static const WCHAR endl2W[] = {'\r','\n','\r','\n'};
 441             wstrbuf_append_len(buf, endl2W, 4);
 442         }
 443     }
 444 }
 445
 446 static void wstrbuf_append_node_rec(wstrbuf_t *buf, nsIDOMNode *node)
 447 {
 448     nsIDOMNode *iter, *tmp;
 449
 450     wstrbuf_append_node(buf, node, FALSE);
 451
 452     nsIDOMNode_GetFirstChild(node, &iter);
 453     while(iter) {
 454         wstrbuf_append_node_rec(buf, iter);
 455         nsIDOMNode_GetNextSibling(iter, &tmp);
 456         nsIDOMNode_Release(iter);
 457         iter = tmp;
 458     }
 459 }
 460
 461 static void range_to_string(HTMLTxtRange *This, wstrbuf_t *buf)
 462 {
 463     rangepoint_t end_pos, iter;
 464     cpp_bool collapsed;
 465
 466     nsIDOMRange_GetCollapsed(This->nsrange, &collapsed);
 467     if(collapsed) {
 468         wstrbuf_finish(buf);
 469         buf->buf = NULL;
 470         buf->size = 0;
 471         return;
 472     }
 473
 474     get_end_point(This, &end_pos);
 475     get_start_point(This, &iter);
 476
 477     do {
 478         if(iter.type == TEXT_NODE) {
 479             const PRUnichar *str;
 480             nsAString nsstr;
 481
 482             get_text_node_data(iter.node, &nsstr, &str);
 483
 484             if(iter.node == end_pos.node) {
 485                 wstrbuf_append_nodetxt(buf, str+iter.off, end_pos.off-iter.off);
 486                 nsAString_Finish(&nsstr);
 487                 break;
 488             }
 489
 490             wstrbuf_append_nodetxt(buf, str+iter.off, lstrlenW(str+iter.off));
 491             nsAString_Finish(&nsstr);
 492         }else {
 493             nsIDOMNode *node;
 494
 495             node = get_child_node(iter.node, iter.off);
 496             if(node) {
 497                 wstrbuf_append_node(buf, node, TRUE);
 498                 nsIDOMNode_Release(node);
 499             }
 500         }
 501
 502         if(!rangepoint_next_node(&iter)) {
 503             ERR("End of document?\n");
 504             break;
 505         }
 506     }while(!rangepoint_cmp(&iter, &end_pos));
 507
 508     free_rangepoint(&iter);
 509     free_rangepoint(&end_pos);
 510
 511     if(buf->len) {
 512         WCHAR *p;
 513
 514         for(p = buf->buf+buf->len-1; p >= buf->buf && iswspace(*p); p--);
 515
 516         p = wcschr(p, '\r');
 517         if(p)
 518             *p = 0;
 519     }
 520 }
 521
 522 HRESULT get_node_text(HTMLDOMNode *node, BSTR *ret)
 523 {
 524     wstrbuf_t buf;
 525     HRESULT hres = S_OK;
 526
 527     if (!wstrbuf_init(&buf))
 528         return E_OUTOFMEMORY;
 529     wstrbuf_append_node_rec(&buf, node->nsnode);
 530     if(buf.buf && *buf.buf) {
 531         *ret = SysAllocString(buf.buf);
 532         if(!*ret)
 533             hres = E_OUTOFMEMORY;
 534     } else {
 535         *ret = NULL;
 536     }
 537     wstrbuf_finish(&buf);
 538
 539     if(SUCCEEDED(hres))
 540         TRACE("ret %s\n", debugstr_w(*ret));
 541     return hres;
 542 }
 543
 544 static WCHAR move_next_char(rangepoint_t *iter)
 545 {
 546     rangepoint_t last_space;
 547     nsIDOMNode *node;
 548     WCHAR cspace = 0;
 549     const WCHAR *p;
 550
 551     do {
 552         switch(iter->type) {
 553         case TEXT_NODE: {
 554             const PRUnichar *str;
 555             nsAString nsstr;
 556             WCHAR c;
 557
 558             get_text_node_data(iter->node, &nsstr, &str);
 559             p = str+iter->off;
 560             if(!*p) {
 561                 nsAString_Finish(&nsstr);
 562                 break;
 563             }
 564
 565             c = *p;
 566             if(iswspace(c)) {
 567                 while(iswspace(*p))
 568                     p++;
 569
 570                 if(cspace)
 571                     free_rangepoint(&last_space);
 572                 else
 573                     cspace = ' ';
 574
 575                 iter->off = p-str;
 576                 c = *p;
 577                 nsAString_Finish(&nsstr);
 578                 if(!c) { /* continue to skip spaces */
 579                     init_rangepoint(&last_space, iter->node, iter->off);
 580                     break;
 581                 }
 582
 583                 return cspace;
 584             }else {
 585                 nsAString_Finish(&nsstr);
 586             }
 587
 588             /* If we have a non-space char and we're skipping spaces, stop and return the last found space. */
 589             if(cspace) {
 590                 free_rangepoint(iter);
 591                 *iter = last_space;
 592                 return cspace;
 593             }
 594
 595             iter->off++;
 596             return c;
 597         }
 598         case ELEMENT_NODE:
 599             node = get_child_node(iter->node, iter->off);
 600             if(!node)
 601                 break;
 602
 603             if(is_elem_tag(node, L"br")) {
 604                 if(cspace) {
 605                     nsIDOMNode_Release(node);
 606                     free_rangepoint(iter);
 607                     *iter = last_space;
 608                     return cspace;
 609                 }
 610
 611                 cspace = '\n';
 612                 init_rangepoint(&last_space, iter->node, iter->off+1);
 613             }else if(is_elem_tag(node, L"hr")) {
 614                 nsIDOMNode_Release(node);
 615                 if(cspace) {
 616                     free_rangepoint(iter);
 617                     *iter = last_space;
 618                     return cspace;
 619                 }
 620
 621                 iter->off++;
 622                 return '\n';
 623             }
 624
 625             nsIDOMNode_Release(node);
 626         }
 627     }while(rangepoint_next_node(iter));
 628
 629     return cspace;
 630 }
 631
 632 static WCHAR move_prev_char(rangepoint_t *iter)
 633 {
 634     rangepoint_t last_space;
 635     nsIDOMNode *node;
 636     WCHAR cspace = 0;
 637     const WCHAR *p;
 638
 639     do {
 640         switch(iter->type) {
 641         case TEXT_NODE: {
 642             const PRUnichar *str;
 643             nsAString nsstr;
 644             WCHAR c;
 645
 646             if(!iter->off)
 647                 break;
 648
 649             get_text_node_data(iter->node, &nsstr, &str);
 650
 651             p = str+iter->off-1;
 652             c = *p;
 653
 654             if(iswspace(c)) {
 655                 while(p > str && iswspace(*(p-1)))
 656                     p--;
 657
 658                 if(cspace)
 659                     free_rangepoint(&last_space);
 660                 else
 661                     cspace = ' ';
 662
 663                 iter->off = p-str;
 664                 nsAString_Finish(&nsstr);
 665                 if(p == str) { /* continue to skip spaces */
 666                     init_rangepoint(&last_space, iter->node, iter->off);
 667                     break;
 668                 }
 669
 670                 return cspace;
 671             }else {
 672                 nsAString_Finish(&nsstr);
 673             }
 674
 675             /* If we have a non-space char and we're skipping spaces, stop and return the last found space. */
 676             if(cspace) {
 677                 free_rangepoint(iter);
 678                 *iter = last_space;
 679                 return cspace;
 680             }
 681
 682             iter->off--;
 683             return c;
 684         }
 685         case ELEMENT_NODE:
 686             if(!iter->off)
 687                 break;
 688
 689             node = get_child_node(iter->node, iter->off-1);
 690             if(!node)
 691                 break;
 692
 693             if(is_elem_tag(node, L"br")) {
 694                 if(cspace)
 695                     free_rangepoint(&last_space);
 696                 cspace = '\n';
 697                 init_rangepoint(&last_space, iter->node, iter->off-1);
 698             }else if(is_elem_tag(node, L"hr")) {
 699                 nsIDOMNode_Release(node);
 700                 if(cspace) {
 701                     free_rangepoint(iter);
 702                     *iter = last_space;
 703                     return cspace;
 704                 }
 705
 706                 iter->off--;
 707                 return '\n';
 708             }
 709
 710             nsIDOMNode_Release(node);
 711         }
 712     }while(rangepoint_prev_node(iter));
 713
 714     if(cspace) {
 715         free_rangepoint(iter);
 716         *iter = last_space;
 717         return cspace;
 718     }
 719
 720     return 0;
 721 }
 722
 723 static LONG move_by_chars(rangepoint_t *iter, LONG cnt)
 724 {
 725     LONG ret = 0;
 726
 727     if(cnt >= 0) {
 728         while(ret < cnt && move_next_char(iter))
 729             ret++;
 730     }else {
 731         while(ret > cnt && move_prev_char(iter))
 732             ret--;
 733     }
 734
 735     return ret;
 736 }
 737
 738 static LONG find_prev_space(rangepoint_t *iter, BOOL first_space)
 739 {
 740     rangepoint_t prev;
 741     WCHAR c;
 742
 743     init_rangepoint(&prev, iter->node, iter->off);
 744     c = move_prev_char(&prev);
 745     if(!c || (first_space && iswspace(c)))
 746         return FALSE;
 747
 748     do {
 749         free_rangepoint(iter);
 750         init_rangepoint(iter, prev.node, prev.off);
 751         c = move_prev_char(&prev);
 752     }while(c && !iswspace(c));
 753
 754     free_rangepoint(&prev);
 755     return TRUE;
 756 }
 757
 758 static BOOL find_word_end(rangepoint_t *iter, BOOL is_collapsed)
 759 {
 760     rangepoint_t prev_iter;
 761     WCHAR c;
 762     BOOL ret = FALSE;
 763
 764     if(!is_collapsed) {
 765         init_rangepoint(&prev_iter, iter->node, iter->off);
 766         c = move_prev_char(&prev_iter);
 767         free_rangepoint(&prev_iter);
 768         if(iswspace(c))
 769             return FALSE;
 770     }
 771
 772     do {
 773         init_rangepoint(&prev_iter, iter->node, iter->off);
 774         c = move_next_char(iter);
 775         if(c == '\n') {
 776             free_rangepoint(iter);
 777             *iter = prev_iter;
 778             return ret;
 779         }
 780         if(!c) {
 781             if(!ret)
 782                 ret = !rangepoint_cmp(iter, &prev_iter);
 783         }else {
 784             ret = TRUE;
 785         }
 786         free_rangepoint(&prev_iter);
 787     }while(c && !iswspace(c));
 788
 789     return ret;
 790 }
 791
 792 static LONG move_by_words(rangepoint_t *iter, LONG cnt)
 793 {
 794     LONG ret = 0;
 795
 796     if(cnt >= 0) {
 797         WCHAR c;
 798
 799         while(ret < cnt && (c = move_next_char(iter))) {
 800             if(iswspace(c))
 801                 ret++;
 802         }
 803     }else {
 804         while(ret > cnt && find_prev_space(iter, FALSE))
 805             ret--;
 806     }
 807
 808     return ret;
 809 }
 810
 811 static inline HTMLTxtRange *impl_from_IHTMLTxtRange(IHTMLTxtRange *iface)
 812 {
 813     return CONTAINING_RECORD(iface, HTMLTxtRange, IHTMLTxtRange_iface);
 814 }
 815
 816 static HRESULT WINAPI HTMLTxtRange_QueryInterface(IHTMLTxtRange *iface, REFIID riid, void **ppv)
 817 {
 818     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 819
 820     TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
 821
 822     if(IsEqualGUID(&IID_IUnknown, riid)) {
 823         *ppv = &This->IHTMLTxtRange_iface;
 824     }else if(IsEqualGUID(&IID_IHTMLTxtRange, riid)) {
 825         *ppv = &This->IHTMLTxtRange_iface;
 826     }else if(IsEqualGUID(&IID_IOleCommandTarget, riid)) {
 827         *ppv = &This->IOleCommandTarget_iface;
 828     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 829         return *ppv ? S_OK : E_NOINTERFACE;
 830     }else {
 831         *ppv = NULL;
 832         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 833         return E_NOINTERFACE;
 834     }
 835
 836     IUnknown_AddRef((IUnknown*)*ppv);
 837     return S_OK;
 838 }
 839
 840 static ULONG WINAPI HTMLTxtRange_AddRef(IHTMLTxtRange *iface)
 841 {
 842     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 843     LONG ref = InterlockedIncrement(&This->ref);
 844
 845     TRACE("(%p) ref=%d\n", This, ref);
 846
 847     return ref;
 848 }
 849
 850 static ULONG WINAPI HTMLTxtRange_Release(IHTMLTxtRange *iface)
 851 {
 852     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 853     LONG ref = InterlockedDecrement(&This->ref);
 854
 855     TRACE("(%p) ref=%d\n", This, ref);
 856
 857     if(!ref) {
 858         if(This->nsrange)
 859             nsIDOMRange_Release(This->nsrange);
 860         if(This->doc)
 861             list_remove(&This->entry);
 862         release_dispex(&This->dispex);
 863         heap_free(This);
 864     }
 865
 866     return ref;
 867 }
 868
 869 static HRESULT WINAPI HTMLTxtRange_GetTypeInfoCount(IHTMLTxtRange *iface, UINT *pctinfo)
 870 {
 871     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 872
 873     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
 874 }
 875
 876 static HRESULT WINAPI HTMLTxtRange_GetTypeInfo(IHTMLTxtRange *iface, UINT iTInfo,
 877                                                LCID lcid, ITypeInfo **ppTInfo)
 878 {
 879     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 880
 881     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
 882 }
 883
 884 static HRESULT WINAPI HTMLTxtRange_GetIDsOfNames(IHTMLTxtRange *iface, REFIID riid,
 885                                                  LPOLESTR *rgszNames, UINT cNames,
 886                                                  LCID lcid, DISPID *rgDispId)
 887 {
 888     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 889
 890     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames,
 891             cNames, lcid, rgDispId);
 892 }
 893
 894 static HRESULT WINAPI HTMLTxtRange_Invoke(IHTMLTxtRange *iface, DISPID dispIdMember,
 895                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 896                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 897 {
 898     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 899
 900     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid,
 901             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 902 }
 903
 904 static HRESULT WINAPI HTMLTxtRange_get_htmlText(IHTMLTxtRange *iface, BSTR *p)
 905 {
 906     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 907
 908     TRACE("(%p)->(%p)\n", This, p);
 909
 910     *p = NULL;
 911
 912     if(This->nsrange) {
 913         nsIDOMDocumentFragment *fragment;
 914         nsresult nsres;
 915
 916         nsres = nsIDOMRange_CloneContents(This->nsrange, &fragment);
 917         if(NS_SUCCEEDED(nsres)) {
 918             const PRUnichar *nstext;
 919             nsAString nsstr;
 920
 921             nsAString_Init(&nsstr, NULL);
 922             nsnode_to_nsstring((nsIDOMNode*)fragment, &nsstr);
 923             nsIDOMDocumentFragment_Release(fragment);
 924
 925             nsAString_GetData(&nsstr, &nstext);
 926             *p = SysAllocString(nstext);
 927
 928             nsAString_Finish(&nsstr);
 929         }
 930     }
 931
 932     if(!*p) {
 933         *p = SysAllocString(L"");
 934     }
 935
 936     TRACE("return %s\n", debugstr_w(*p));
 937     return S_OK;
 938 }
 939
 940 static HRESULT WINAPI HTMLTxtRange_put_text(IHTMLTxtRange *iface, BSTR v)
 941 {
 942     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 943     nsIDOMText *text_node;
 944     nsAString text_str;
 945     nsresult nsres;
 946
 947     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 948
 949     if(!This->doc)
 950         return MSHTML_E_NODOC;
 951
 952     nsAString_InitDepend(&text_str, v);
 953     nsres = nsIDOMHTMLDocument_CreateTextNode(This->doc->nsdoc, &text_str, &text_node);
 954     nsAString_Finish(&text_str);
 955     if(NS_FAILED(nsres)) {
 956         ERR("CreateTextNode failed: %08x\n", nsres);
 957         return S_OK;
 958     }
 959     nsres = nsIDOMRange_DeleteContents(This->nsrange);
 960     if(NS_FAILED(nsres))
 961         ERR("DeleteContents failed: %08x\n", nsres);
 962
 963     nsres = nsIDOMRange_InsertNode(This->nsrange, (nsIDOMNode*)text_node);
 964     if(NS_FAILED(nsres))
 965         ERR("InsertNode failed: %08x\n", nsres);
 966
 967     nsres = nsIDOMRange_SetEndAfter(This->nsrange, (nsIDOMNode*)text_node);
 968     if(NS_FAILED(nsres))
 969         ERR("SetEndAfter failed: %08x\n", nsres);
 970
 971     return IHTMLTxtRange_collapse(&This->IHTMLTxtRange_iface, VARIANT_FALSE);
 972 }
 973
 974 static HRESULT WINAPI HTMLTxtRange_get_text(IHTMLTxtRange *iface, BSTR *p)
 975 {
 976     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 977     wstrbuf_t buf;
 978
 979     TRACE("(%p)->(%p)\n", This, p);
 980
 981     *p = NULL;
 982     if(!This->nsrange)
 983         return S_OK;
 984
 985     if (!wstrbuf_init(&buf))
 986         return E_OUTOFMEMORY;
 987     range_to_string(This, &buf);
 988     if (buf.buf)
 989         *p = SysAllocString(buf.buf);
 990     wstrbuf_finish(&buf);
 991
 992     TRACE("ret %s\n", debugstr_w(*p));
 993     return S_OK;
 994 }
 995
 996 static HRESULT WINAPI HTMLTxtRange_parentElement(IHTMLTxtRange *iface, IHTMLElement **parent)
 997 {
 998     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
 999     nsIDOMNode *nsnode, *tmp;
1000     HTMLDOMNode *node;
1001     HRESULT hres;
1002
1003     TRACE("(%p)->(%p)\n", This, parent);
1004
1005     nsIDOMRange_GetCommonAncestorContainer(This->nsrange, &nsnode);
1006     while(nsnode && get_node_type(nsnode) != ELEMENT_NODE) {
1007         nsIDOMNode_GetParentNode(nsnode, &tmp);
1008         nsIDOMNode_Release(nsnode);
1009         nsnode = tmp;
1010     }
1011
1012     if(!nsnode) {
1013         *parent = NULL;
1014         return S_OK;
1015     }
1016
1017     hres = get_node(nsnode, TRUE, &node);
1018     nsIDOMNode_Release(nsnode);
1019     if(FAILED(hres))
1020         return hres;
1021
1022     hres = IHTMLDOMNode_QueryInterface(&node->IHTMLDOMNode_iface, &IID_IHTMLElement, (void**)parent);
1023     node_release(node);
1024     return hres;
1025 }
1026
1027 static HRESULT WINAPI HTMLTxtRange_duplicate(IHTMLTxtRange *iface, IHTMLTxtRange **Duplicate)
1028 {
1029     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1030     nsIDOMRange *nsrange = NULL;
1031     HRESULT hres;
1032
1033     TRACE("(%p)->(%p)\n", This, Duplicate);
1034
1035     nsIDOMRange_CloneRange(This->nsrange, &nsrange);
1036     hres = HTMLTxtRange_Create(This->doc, nsrange, Duplicate);
1037     nsIDOMRange_Release(nsrange);
1038
1039     return hres;
1040 }
1041
1042 static HRESULT WINAPI HTMLTxtRange_inRange(IHTMLTxtRange *iface, IHTMLTxtRange *Range,
1043         VARIANT_BOOL *InRange)
1044 {
1045     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1046     HTMLTxtRange *src_range;
1047     short nsret = 0;
1048     nsresult nsres;
1049
1050     TRACE("(%p)->(%p %p)\n", This, Range, InRange);
1051
1052     *InRange = VARIANT_FALSE;
1053
1054     src_range = get_range_object(This->doc, Range);
1055     if(!src_range)
1056         return E_FAIL;
1057
1058     nsres = nsIDOMRange_CompareBoundaryPoints(This->nsrange, NS_START_TO_START,
1059             src_range->nsrange, &nsret);
1060     if(NS_SUCCEEDED(nsres) && nsret <= 0) {
1061         nsres = nsIDOMRange_CompareBoundaryPoints(This->nsrange, NS_END_TO_END,
1062                 src_range->nsrange, &nsret);
1063         if(NS_SUCCEEDED(nsres) && nsret >= 0)
1064             *InRange = VARIANT_TRUE;
1065     }
1066
1067     if(NS_FAILED(nsres))
1068         ERR("CompareBoundaryPoints failed: %08x\n", nsres);
1069
1070     return S_OK;
1071 }
1072
1073 static HRESULT WINAPI HTMLTxtRange_isEqual(IHTMLTxtRange *iface, IHTMLTxtRange *Range,
1074         VARIANT_BOOL *IsEqual)
1075 {
1076     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1077     HTMLTxtRange *src_range;
1078     short nsret = 0;
1079     nsresult nsres;
1080
1081     TRACE("(%p)->(%p %p)\n", This, Range, IsEqual);
1082
1083     *IsEqual = VARIANT_FALSE;
1084
1085     src_range = get_range_object(This->doc, Range);
1086     if(!src_range)
1087         return E_FAIL;
1088
1089     nsres = nsIDOMRange_CompareBoundaryPoints(This->nsrange, NS_START_TO_START,
1090             src_range->nsrange, &nsret);
1091     if(NS_SUCCEEDED(nsres) && !nsret) {
1092         nsres = nsIDOMRange_CompareBoundaryPoints(This->nsrange, NS_END_TO_END,
1093                 src_range->nsrange, &nsret);
1094         if(NS_SUCCEEDED(nsres) && !nsret)
1095             *IsEqual = VARIANT_TRUE;
1096     }
1097
1098     if(NS_FAILED(nsres))
1099         ERR("CompareBoundaryPoints failed: %08x\n", nsres);
1100
1101     return S_OK;
1102 }
1103
1104 static HRESULT WINAPI HTMLTxtRange_scrollIntoView(IHTMLTxtRange *iface, VARIANT_BOOL fStart)
1105 {
1106     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1107     FIXME("(%p)->(%x)\n", This, fStart);
1108     return E_NOTIMPL;
1109 }
1110
1111 static HRESULT WINAPI HTMLTxtRange_collapse(IHTMLTxtRange *iface, VARIANT_BOOL Start)
1112 {
1113     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1114
1115     TRACE("(%p)->(%x)\n", This, Start);
1116
1117     nsIDOMRange_Collapse(This->nsrange, Start != VARIANT_FALSE);
1118     return S_OK;
1119 }
1120
1121 static HRESULT WINAPI HTMLTxtRange_expand(IHTMLTxtRange *iface, BSTR Unit, VARIANT_BOOL *Success)
1122 {
1123     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1124     range_unit_t unit;
1125
1126     TRACE("(%p)->(%s %p)\n", This, debugstr_w(Unit), Success);
1127
1128     unit = string_to_unit(Unit);
1129     if(unit == RU_UNKNOWN)
1130         return E_INVALIDARG;
1131
1132     *Success = VARIANT_FALSE;
1133
1134     switch(unit) {
1135     case RU_WORD: {
1136         rangepoint_t end, start;
1137         cpp_bool is_collapsed;
1138
1139         get_start_point(This, &start);
1140         get_end_point(This, &end);
1141
1142         nsIDOMRange_GetCollapsed(This->nsrange, &is_collapsed);
1143
1144         if(find_word_end(&end, is_collapsed)) {
1145             set_end_point(This, &end);
1146             *Success = VARIANT_TRUE;
1147         }
1148
1149         if(find_prev_space(&start, TRUE)) {
1150             set_start_point(This, &start);
1151             *Success = VARIANT_TRUE;
1152         }
1153
1154         free_rangepoint(&end);
1155         free_rangepoint(&start);
1156         break;
1157     }
1158
1159     case RU_TEXTEDIT: {
1160         nsIDOMHTMLElement *nsbody = NULL;
1161         nsresult nsres;
1162
1163         nsres = nsIDOMHTMLDocument_GetBody(This->doc->nsdoc, &nsbody);
1164         if(NS_FAILED(nsres) || !nsbody) {
1165             ERR("Could not get body: %08x\n", nsres);
1166             break;
1167         }
1168
1169         nsres = nsIDOMRange_SelectNodeContents(This->nsrange, (nsIDOMNode*)nsbody);
1170         nsIDOMHTMLElement_Release(nsbody);
1171         if(NS_FAILED(nsres)) {
1172             ERR("Collapse failed: %08x\n", nsres);
1173             break;
1174         }
1175
1176         *Success = VARIANT_TRUE;
1177         break;
1178     }
1179
1180     default:
1181         FIXME("Unimplemented unit %s\n", debugstr_w(Unit));
1182     }
1183
1184     return S_OK;
1185 }
1186
1187 static HRESULT WINAPI HTMLTxtRange_move(IHTMLTxtRange *iface, BSTR Unit,
1188         LONG Count, LONG *ActualCount)
1189 {
1190     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1191     range_unit_t unit;
1192
1193     TRACE("(%p)->(%s %d %p)\n", This, debugstr_w(Unit), Count, ActualCount);
1194
1195     unit = string_to_unit(Unit);
1196     if(unit == RU_UNKNOWN)
1197         return E_INVALIDARG;
1198
1199     if(!Count) {
1200         *ActualCount = 0;
1201         return IHTMLTxtRange_collapse(&This->IHTMLTxtRange_iface, VARIANT_TRUE);
1202     }
1203
1204     switch(unit) {
1205     case RU_CHAR: {
1206         rangepoint_t start;
1207
1208         get_start_point(This, &start);
1209
1210         *ActualCount = move_by_chars(&start, Count);
1211
1212         set_start_point(This, &start);
1213         IHTMLTxtRange_collapse(&This->IHTMLTxtRange_iface, VARIANT_TRUE);
1214         free_rangepoint(&start);
1215         break;
1216     }
1217
1218     case RU_WORD: {
1219         rangepoint_t start;
1220
1221         get_start_point(This, &start);
1222
1223         *ActualCount = move_by_words(&start, Count);
1224
1225         set_start_point(This, &start);
1226         IHTMLTxtRange_collapse(&This->IHTMLTxtRange_iface, VARIANT_TRUE);
1227         free_rangepoint(&start);
1228         break;
1229     }
1230
1231     default:
1232         FIXME("unimplemented unit %s\n", debugstr_w(Unit));
1233     }
1234
1235     TRACE("ret %d\n", *ActualCount);
1236     return S_OK;
1237 }
1238
1239 static HRESULT WINAPI HTMLTxtRange_moveStart(IHTMLTxtRange *iface, BSTR Unit,
1240         LONG Count, LONG *ActualCount)
1241 {
1242     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1243     range_unit_t unit;
1244
1245     TRACE("(%p)->(%s %d %p)\n", This, debugstr_w(Unit), Count, ActualCount);
1246
1247     unit = string_to_unit(Unit);
1248     if(unit == RU_UNKNOWN)
1249         return E_INVALIDARG;
1250
1251     if(!Count) {
1252         *ActualCount = 0;
1253         return S_OK;
1254     }
1255
1256     switch(unit) {
1257     case RU_CHAR: {
1258         rangepoint_t start;
1259
1260         get_start_point(This, &start);
1261
1262         *ActualCount = move_by_chars(&start, Count);
1263
1264         set_start_point(This, &start);
1265         free_rangepoint(&start);
1266         break;
1267     }
1268
1269     default:
1270         FIXME("unimplemented unit %s\n", debugstr_w(Unit));
1271         return E_NOTIMPL;
1272     }
1273
1274     return S_OK;
1275 }
1276
1277 static HRESULT WINAPI HTMLTxtRange_moveEnd(IHTMLTxtRange *iface, BSTR Unit,
1278         LONG Count, LONG *ActualCount)
1279 {
1280     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1281     range_unit_t unit;
1282
1283     TRACE("(%p)->(%s %d %p)\n", This, debugstr_w(Unit), Count, ActualCount);
1284
1285     unit = string_to_unit(Unit);
1286     if(unit == RU_UNKNOWN)
1287         return E_INVALIDARG;
1288
1289     if(!Count) {
1290         *ActualCount = 0;
1291         return S_OK;
1292     }
1293
1294     switch(unit) {
1295     case RU_CHAR: {
1296         rangepoint_t end;
1297
1298         get_end_point(This, &end);
1299
1300         *ActualCount = move_by_chars(&end, Count);
1301
1302         set_end_point(This, &end);
1303         free_rangepoint(&end);
1304         break;
1305     }
1306
1307     default:
1308         FIXME("unimplemented unit %s\n", debugstr_w(Unit));
1309     }
1310
1311     return S_OK;
1312 }
1313
1314 static HRESULT WINAPI HTMLTxtRange_select(IHTMLTxtRange *iface)
1315 {
1316     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1317     nsISelection *nsselection;
1318     nsresult nsres;
1319
1320     TRACE("(%p)\n", This);
1321
1322     nsres = nsIDOMWindow_GetSelection(This->doc->basedoc.window->nswindow, &nsselection);
1323     if(NS_FAILED(nsres)) {
1324         ERR("GetSelection failed: %08x\n", nsres);
1325         return E_FAIL;
1326     }
1327
1328     nsISelection_RemoveAllRanges(nsselection);
1329     nsISelection_AddRange(nsselection, This->nsrange);
1330     nsISelection_Release(nsselection);
1331     return S_OK;
1332 }
1333
1334 static HRESULT WINAPI HTMLTxtRange_pasteHTML(IHTMLTxtRange *iface, BSTR html)
1335 {
1336     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1337     nsIDOMDocumentFragment *doc_frag;
1338     nsAString nsstr;
1339     nsresult nsres;
1340
1341     TRACE("(%p)->(%s)\n", This, debugstr_w(html));
1342
1343     nsres = nsIDOMRange_Collapse(This->nsrange, TRUE);
1344     assert(nsres == NS_OK);
1345
1346     nsAString_InitDepend(&nsstr, html);
1347     nsres = nsIDOMRange_CreateContextualFragment(This->nsrange, &nsstr, &doc_frag);
1348     nsAString_Finish(&nsstr);
1349     if(NS_FAILED(nsres)) {
1350         ERR("CreateContextualFragment failed: %08x\n", nsres);
1351         return E_FAIL;
1352     }
1353
1354     nsres = nsIDOMRange_InsertNode(This->nsrange, (nsIDOMNode*)doc_frag);
1355     nsIDOMDocumentFragment_Release(doc_frag);
1356     if(NS_FAILED(nsres)) {
1357         ERR("InsertNode failed: %08x\n", nsres);
1358         return E_FAIL;
1359     }
1360
1361     nsres = nsIDOMRange_Collapse(This->nsrange, FALSE);
1362     assert(nsres == NS_OK);
1363     return S_OK;
1364 }
1365
1366 static HRESULT WINAPI HTMLTxtRange_moveToElementText(IHTMLTxtRange *iface, IHTMLElement *element)
1367 {
1368     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1369     HTMLElement *elem;
1370     nsresult nsres;
1371
1372     TRACE("(%p)->(%p)\n", This, element);
1373
1374     elem = unsafe_impl_from_IHTMLElement(element);
1375     if(!elem)
1376         return E_INVALIDARG;
1377
1378     nsres = nsIDOMRange_SelectNodeContents(This->nsrange, elem->node.nsnode);
1379     if(NS_FAILED(nsres)) {
1380         ERR("SelectNodeContents failed: %08x\n", nsres);
1381         return E_FAIL;
1382     }
1383
1384     return S_OK;
1385 }
1386
1387 static HRESULT WINAPI HTMLTxtRange_setEndPoint(IHTMLTxtRange *iface, BSTR how,
1388         IHTMLTxtRange *SourceRange)
1389 {
1390     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1391     HTMLTxtRange *src_range;
1392     nsIDOMNode *ref_node;
1393     INT32 ref_offset;
1394     BOOL set_start;
1395     int how_type;
1396     INT16 cmp;
1397     nsresult nsres;
1398
1399     TRACE("(%p)->(%s %p)\n", This, debugstr_w(how), SourceRange);
1400
1401     how_type = string_to_nscmptype(how);
1402     if(how_type == -1)
1403         return E_INVALIDARG;
1404
1405     src_range = get_range_object(This->doc, SourceRange);
1406     if(!src_range)
1407         return E_FAIL;
1408
1409     switch(how_type) {
1410     case NS_START_TO_START:
1411     case NS_END_TO_START:
1412         nsres = nsIDOMRange_GetStartContainer(src_range->nsrange, &ref_node);
1413         assert(nsres == NS_OK);
1414
1415         nsres = nsIDOMRange_GetStartOffset(src_range->nsrange, &ref_offset);
1416         assert(nsres == NS_OK);
1417
1418         set_start = how_type == NS_START_TO_START;
1419         break;
1420     case NS_END_TO_END:
1421     case NS_START_TO_END:
1422         nsres = nsIDOMRange_GetEndContainer(src_range->nsrange, &ref_node);
1423         assert(nsres == NS_OK);
1424
1425         nsres = nsIDOMRange_GetEndOffset(src_range->nsrange, &ref_offset);
1426         assert(nsres == NS_OK);
1427
1428         set_start = how_type == NS_START_TO_END;
1429         break;
1430     DEFAULT_UNREACHABLE;
1431     }
1432
1433     nsres = nsIDOMRange_ComparePoint(This->nsrange, ref_node, ref_offset, &cmp);
1434     assert(nsres == NS_OK);
1435
1436     if(set_start) {
1437         if(cmp <= 0) {
1438             nsres = nsIDOMRange_SetStart(This->nsrange, ref_node, ref_offset);
1439         }else {
1440             nsres = nsIDOMRange_Collapse(This->nsrange, FALSE);
1441             assert(nsres == NS_OK);
1442
1443             nsres = nsIDOMRange_SetEnd(This->nsrange, ref_node, ref_offset);
1444         }
1445     }else {
1446         if(cmp >= 0) {
1447             nsres = nsIDOMRange_SetEnd(This->nsrange, ref_node, ref_offset);
1448         }else {
1449             nsres = nsIDOMRange_Collapse(This->nsrange, TRUE);
1450             assert(nsres == NS_OK);
1451
1452             nsres = nsIDOMRange_SetStart(This->nsrange, ref_node, ref_offset);
1453         }
1454     }
1455     assert(nsres == NS_OK);
1456
1457     nsIDOMNode_Release(ref_node);
1458     return S_OK;
1459 }
1460
1461 static HRESULT WINAPI HTMLTxtRange_compareEndPoints(IHTMLTxtRange *iface, BSTR how,
1462         IHTMLTxtRange *SourceRange, LONG *ret)
1463 {
1464     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1465     HTMLTxtRange *src_range;
1466     short nsret = 0;
1467     int nscmpt;
1468     nsresult nsres;
1469
1470     TRACE("(%p)->(%s %p %p)\n", This, debugstr_w(how), SourceRange, ret);
1471
1472     nscmpt = string_to_nscmptype(how);
1473     if(nscmpt == -1)
1474         return E_INVALIDARG;
1475
1476     src_range = get_range_object(This->doc, SourceRange);
1477     if(!src_range)
1478         return E_FAIL;
1479
1480     nsres = nsIDOMRange_CompareBoundaryPoints(This->nsrange, nscmpt, src_range->nsrange, &nsret);
1481     if(NS_FAILED(nsres))
1482         ERR("CompareBoundaryPoints failed: %08x\n", nsres);
1483
1484     *ret = nsret;
1485     return S_OK;
1486 }
1487
1488 static HRESULT WINAPI HTMLTxtRange_findText(IHTMLTxtRange *iface, BSTR String,
1489         LONG count, LONG Flags, VARIANT_BOOL *Success)
1490 {
1491     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1492     FIXME("(%p)->(%s %d %08x %p)\n", This, debugstr_w(String), count, Flags, Success);
1493     return E_NOTIMPL;
1494 }
1495
1496 static HRESULT WINAPI HTMLTxtRange_moveToPoint(IHTMLTxtRange *iface, LONG x, LONG y)
1497 {
1498     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1499     FIXME("(%p)->(%d %d)\n", This, x, y);
1500     return E_NOTIMPL;
1501 }
1502
1503 static HRESULT WINAPI HTMLTxtRange_getBookmark(IHTMLTxtRange *iface, BSTR *Bookmark)
1504 {
1505     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1506     FIXME("(%p)->(%p)\n", This, Bookmark);
1507     return E_NOTIMPL;
1508 }
1509
1510 static HRESULT WINAPI HTMLTxtRange_moveToBookmark(IHTMLTxtRange *iface, BSTR Bookmark,
1511         VARIANT_BOOL *Success)
1512 {
1513     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1514     FIXME("(%p)->(%s %p)\n", This, debugstr_w(Bookmark), Success);
1515     return E_NOTIMPL;
1516 }
1517
1518 static HRESULT WINAPI HTMLTxtRange_queryCommandSupported(IHTMLTxtRange *iface, BSTR cmdID,
1519         VARIANT_BOOL *pfRet)
1520 {
1521     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1522     FIXME("(%p)->(%s %p)\n", This, debugstr_w(cmdID), pfRet);
1523     return E_NOTIMPL;
1524 }
1525
1526 static HRESULT WINAPI HTMLTxtRange_queryCommandEnabled(IHTMLTxtRange *iface, BSTR cmdID,
1527         VARIANT_BOOL *pfRet)
1528 {
1529     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1530     FIXME("(%p)->(%s %p)\n", This, debugstr_w(cmdID), pfRet);
1531     return E_NOTIMPL;
1532 }
1533
1534 static HRESULT WINAPI HTMLTxtRange_queryCommandState(IHTMLTxtRange *iface, BSTR cmdID,
1535         VARIANT_BOOL *pfRet)
1536 {
1537     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1538     FIXME("(%p)->(%s %p)\n", This, debugstr_w(cmdID), pfRet);
1539     return E_NOTIMPL;
1540 }
1541
1542 static HRESULT WINAPI HTMLTxtRange_queryCommandIndeterm(IHTMLTxtRange *iface, BSTR cmdID,
1543         VARIANT_BOOL *pfRet)
1544 {
1545     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1546     FIXME("(%p)->(%s %p)\n", This, debugstr_w(cmdID), pfRet);
1547     return E_NOTIMPL;
1548 }
1549
1550 static HRESULT WINAPI HTMLTxtRange_queryCommandText(IHTMLTxtRange *iface, BSTR cmdID,
1551         BSTR *pcmdText)
1552 {
1553     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1554     FIXME("(%p)->(%s %p)\n", This, debugstr_w(cmdID), pcmdText);
1555     return E_NOTIMPL;
1556 }
1557
1558 static HRESULT WINAPI HTMLTxtRange_queryCommandValue(IHTMLTxtRange *iface, BSTR cmdID,
1559         VARIANT *pcmdValue)
1560 {
1561     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1562     FIXME("(%p)->(%s %p)\n", This, debugstr_w(cmdID), pcmdValue);
1563     return E_NOTIMPL;
1564 }
1565
1566 static HRESULT WINAPI HTMLTxtRange_execCommand(IHTMLTxtRange *iface, BSTR cmdID,
1567         VARIANT_BOOL showUI, VARIANT value, VARIANT_BOOL *pfRet)
1568 {
1569     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1570     FIXME("(%p)->(%s %x v %p)\n", This, debugstr_w(cmdID), showUI, pfRet);
1571     return E_NOTIMPL;
1572 }
1573
1574 static HRESULT WINAPI HTMLTxtRange_execCommandShowHelp(IHTMLTxtRange *iface, BSTR cmdID,
1575         VARIANT_BOOL *pfRet)
1576 {
1577     HTMLTxtRange *This = impl_from_IHTMLTxtRange(iface);
1578     FIXME("(%p)->(%s %p)\n", This, debugstr_w(cmdID), pfRet);
1579     return E_NOTIMPL;
1580 }
1581
1582 static const IHTMLTxtRangeVtbl HTMLTxtRangeVtbl = {
1583     HTMLTxtRange_QueryInterface,
1584     HTMLTxtRange_AddRef,
1585     HTMLTxtRange_Release,
1586     HTMLTxtRange_GetTypeInfoCount,
1587     HTMLTxtRange_GetTypeInfo,
1588     HTMLTxtRange_GetIDsOfNames,
1589     HTMLTxtRange_Invoke,
1590     HTMLTxtRange_get_htmlText,
1591     HTMLTxtRange_put_text,
1592     HTMLTxtRange_get_text,
1593     HTMLTxtRange_parentElement,
1594     HTMLTxtRange_duplicate,
1595     HTMLTxtRange_inRange,
1596     HTMLTxtRange_isEqual,
1597     HTMLTxtRange_scrollIntoView,
1598     HTMLTxtRange_collapse,
1599     HTMLTxtRange_expand,
1600     HTMLTxtRange_move,
1601     HTMLTxtRange_moveStart,
1602     HTMLTxtRange_moveEnd,
1603     HTMLTxtRange_select,
1604     HTMLTxtRange_pasteHTML,
1605     HTMLTxtRange_moveToElementText,
1606     HTMLTxtRange_setEndPoint,
1607     HTMLTxtRange_compareEndPoints,
1608     HTMLTxtRange_findText,
1609     HTMLTxtRange_moveToPoint,
1610     HTMLTxtRange_getBookmark,
1611     HTMLTxtRange_moveToBookmark,
1612     HTMLTxtRange_queryCommandSupported,
1613     HTMLTxtRange_queryCommandEnabled,
1614     HTMLTxtRange_queryCommandState,
1615     HTMLTxtRange_queryCommandIndeterm,
1616     HTMLTxtRange_queryCommandText,
1617     HTMLTxtRange_queryCommandValue,
1618     HTMLTxtRange_execCommand,
1619     HTMLTxtRange_execCommandShowHelp
1620 };
1621
1622 static inline HTMLTxtRange *impl_from_IOleCommandTarget(IOleCommandTarget *iface)
1623 {
1624     return CONTAINING_RECORD(iface, HTMLTxtRange, IOleCommandTarget_iface);
1625 }
1626
1627 static HRESULT WINAPI RangeCommandTarget_QueryInterface(IOleCommandTarget *iface, REFIID riid, void **ppv)
1628 {
1629     HTMLTxtRange *This = impl_from_IOleCommandTarget(iface);
1630     return IHTMLTxtRange_QueryInterface(&This->IHTMLTxtRange_iface, riid, ppv);
1631 }
1632
1633 static ULONG WINAPI RangeCommandTarget_AddRef(IOleCommandTarget *iface)
1634 {
1635     HTMLTxtRange *This = impl_from_IOleCommandTarget(iface);
1636     return IHTMLTxtRange_AddRef(&This->IHTMLTxtRange_iface);
1637 }
1638
1639 static ULONG WINAPI RangeCommandTarget_Release(IOleCommandTarget *iface)
1640 {
1641     HTMLTxtRange *This = impl_from_IOleCommandTarget(iface);
1642     return IHTMLTxtRange_Release(&This->IHTMLTxtRange_iface);
1643 }
1644
1645 static HRESULT WINAPI RangeCommandTarget_QueryStatus(IOleCommandTarget *iface, const GUID *pguidCmdGroup,
1646         ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT *pCmdText)
1647 {
1648     HTMLTxtRange *This = impl_from_IOleCommandTarget(iface);
1649     FIXME("(%p)->(%s %d %p %p)\n", This, debugstr_guid(pguidCmdGroup), cCmds, prgCmds, pCmdText);
1650     return E_NOTIMPL;
1651 }
1652
1653 static HRESULT exec_indent(HTMLTxtRange *This, VARIANT *in, VARIANT *out)
1654 {
1655     nsIDOMElement *blockquote_elem, *p_elem;
1656     nsIDOMDocumentFragment *fragment;
1657     nsIDOMNode *tmp;
1658
1659     TRACE("(%p)->(%p %p)\n", This, in, out);
1660
1661     if(!This->doc->nsdoc) {
1662         WARN("NULL nsdoc\n");
1663         return E_NOTIMPL;
1664     }
1665
1666     create_nselem(This->doc, L"BLOCKQUOTE", &blockquote_elem);
1667     create_nselem(This->doc, L"P", &p_elem);
1668
1669     nsIDOMRange_ExtractContents(This->nsrange, &fragment);
1670     nsIDOMElement_AppendChild(p_elem, (nsIDOMNode*)fragment, &tmp);
1671     nsIDOMDocumentFragment_Release(fragment);
1672     nsIDOMNode_Release(tmp);
1673
1674     nsIDOMElement_AppendChild(blockquote_elem, (nsIDOMNode*)p_elem, &tmp);
1675     nsIDOMElement_Release(p_elem);
1676     nsIDOMNode_Release(tmp);
1677
1678     nsIDOMRange_InsertNode(This->nsrange, (nsIDOMNode*)blockquote_elem);
1679     nsIDOMElement_Release(blockquote_elem);
1680
1681     return S_OK;
1682 }
1683
1684 static HRESULT WINAPI RangeCommandTarget_Exec(IOleCommandTarget *iface, const GUID *pguidCmdGroup,
1685         DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut)
1686 {
1687     HTMLTxtRange *This = impl_from_IOleCommandTarget(iface);
1688
1689     TRACE("(%p)->(%s %d %x %p %p)\n", This, debugstr_guid(pguidCmdGroup), nCmdID,
1690           nCmdexecopt, pvaIn, pvaOut);
1691
1692     if(pguidCmdGroup && IsEqualGUID(&CGID_MSHTML, pguidCmdGroup)) {
1693         switch(nCmdID) {
1694         case IDM_INDENT:
1695             return exec_indent(This, pvaIn, pvaOut);
1696         default:
1697             FIXME("Unsupported cmdid %d of CGID_MSHTML\n", nCmdID);
1698         }
1699     }else {
1700         FIXME("Unsupported cmd %d of group %s\n", nCmdID, debugstr_guid(pguidCmdGroup));
1701     }
1702
1703     return E_NOTIMPL;
1704 }
1705
1706 static const IOleCommandTargetVtbl OleCommandTargetVtbl = {
1707     RangeCommandTarget_QueryInterface,
1708     RangeCommandTarget_AddRef,
1709     RangeCommandTarget_Release,
1710     RangeCommandTarget_QueryStatus,
1711     RangeCommandTarget_Exec
1712 };
1713
1714 static const tid_t HTMLTxtRange_iface_tids[] = {
1715     IHTMLTxtRange_tid,
1716     0
1717 };
1718 static dispex_static_data_t HTMLTxtRange_dispex = {
1719     NULL,
1720     IHTMLTxtRange_tid,
1721     HTMLTxtRange_iface_tids
1722 };
1723
1724 HRESULT HTMLTxtRange_Create(HTMLDocumentNode *doc, nsIDOMRange *nsrange, IHTMLTxtRange **p)
1725 {
1726     HTMLTxtRange *ret;
1727
1728     ret = heap_alloc(sizeof(HTMLTxtRange));
1729     if(!ret)
1730         return E_OUTOFMEMORY;
1731
1732     init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLTxtRange_iface, &HTMLTxtRange_dispex);
1733
1734     ret->IHTMLTxtRange_iface.lpVtbl = &HTMLTxtRangeVtbl;
1735     ret->IOleCommandTarget_iface.lpVtbl = &OleCommandTargetVtbl;
1736     ret->ref = 1;
1737
1738     if(nsrange)
1739         nsIDOMRange_AddRef(nsrange);
1740     ret->nsrange = nsrange;
1741
1742     ret->doc = doc;
1743     list_add_head(&doc->range_list, &ret->entry);
1744
1745     *p = &ret->IHTMLTxtRange_iface;
1746     return S_OK;
1747 }
1748
1749 static inline HTMLDOMRange *impl_from_IHTMLDOMRange(IHTMLDOMRange *iface)
1750 {
1751     return CONTAINING_RECORD(iface, HTMLDOMRange, IHTMLDOMRange_iface);
1752 }
1753
1754 static HRESULT WINAPI HTMLDOMRange_QueryInterface(IHTMLDOMRange *iface, REFIID riid, void **ppv)
1755 {
1756     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1757
1758     TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
1759
1760     if(IsEqualGUID(&IID_IUnknown, riid)) {
1761         *ppv = &This->IHTMLDOMRange_iface;
1762     }else if(IsEqualGUID(&IID_IHTMLDOMRange, riid)) {
1763         *ppv = &This->IHTMLDOMRange_iface;
1764     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
1765         return *ppv ? S_OK : E_NOINTERFACE;
1766     }else {
1767         *ppv = NULL;
1768         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
1769         return E_NOINTERFACE;
1770     }
1771
1772     IUnknown_AddRef((IUnknown*)*ppv);
1773     return S_OK;
1774 }
1775
1776 static ULONG WINAPI HTMLDOMRange_AddRef(IHTMLDOMRange *iface)
1777 {
1778     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1779     LONG ref = InterlockedIncrement(&This->ref);
1780
1781     TRACE("(%p) ref=%d\n", This, ref);
1782
1783     return ref;
1784 }
1785
1786 static ULONG WINAPI HTMLDOMRange_Release(IHTMLDOMRange *iface)
1787 {
1788     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1789     LONG ref = InterlockedDecrement(&This->ref);
1790
1791     TRACE("(%p) ref=%d\n", This, ref);
1792
1793     if(!ref) {
1794         if(This->nsrange)
1795             nsIDOMRange_Release(This->nsrange);
1796         release_dispex(&This->dispex);
1797         heap_free(This);
1798     }
1799
1800     return ref;
1801 }
1802
1803 static HRESULT WINAPI HTMLDOMRange_GetTypeInfoCount(IHTMLDOMRange *iface, UINT *pctinfo)
1804 {
1805     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1806
1807     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
1808 }
1809
1810 static HRESULT WINAPI HTMLDOMRange_GetTypeInfo(IHTMLDOMRange *iface, UINT iTInfo,
1811                                                LCID lcid, ITypeInfo **ppTInfo)
1812 {
1813     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1814
1815     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
1816 }
1817
1818 static HRESULT WINAPI HTMLDOMRange_GetIDsOfNames(IHTMLDOMRange *iface, REFIID riid,
1819                                                  LPOLESTR *rgszNames, UINT cNames,
1820                                                  LCID lcid, DISPID *rgDispId)
1821 {
1822     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1823
1824     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames,
1825             cNames, lcid, rgDispId);
1826 }
1827
1828 static HRESULT WINAPI HTMLDOMRange_Invoke(IHTMLDOMRange *iface, DISPID dispIdMember,
1829                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
1830                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1831 {
1832     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1833
1834     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid,
1835             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1836 }
1837
1838 static HRESULT WINAPI HTMLDOMRange_get_startContainer(IHTMLDOMRange *iface, IHTMLDOMNode **p)
1839 {
1840     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1841     FIXME("(%p)->(%p)\n", This, p);
1842     return E_NOTIMPL;
1843 }
1844
1845 static HRESULT WINAPI HTMLDOMRange_get_startOffset(IHTMLDOMRange *iface, LONG *p)
1846 {
1847     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1848     FIXME("(%p)->(%p)\n", This, p);
1849     return E_NOTIMPL;
1850 }
1851
1852 static HRESULT WINAPI HTMLDOMRange_get_endContainer(IHTMLDOMRange *iface, IHTMLDOMNode **p)
1853 {
1854     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1855     FIXME("(%p)->(%p)\n", This, p);
1856     return E_NOTIMPL;
1857 }
1858
1859 static HRESULT WINAPI HTMLDOMRange_get_endOffset(IHTMLDOMRange *iface, LONG *p)
1860 {
1861     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1862     FIXME("(%p)->(%p)\n", This, p);
1863     return E_NOTIMPL;
1864 }
1865
1866 static HRESULT WINAPI HTMLDOMRange_get_collapsed(IHTMLDOMRange *iface, VARIANT_BOOL *p)
1867 {
1868     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1869     FIXME("(%p)->(%p)\n", This, p);
1870     return E_NOTIMPL;
1871 }
1872
1873 static HRESULT WINAPI HTMLDOMRange_get_commonAncestorContainer(IHTMLDOMRange *iface, IHTMLDOMNode **p)
1874 {
1875     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1876     FIXME("(%p)->(%p)\n", This, p);
1877     return E_NOTIMPL;
1878 }
1879
1880 static HRESULT WINAPI HTMLDOMRange_setStart(IHTMLDOMRange *iface, IDispatch *node, LONG offset)
1881 {
1882     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1883     FIXME("(%p)->(%p, %d)\n", This, node, offset);
1884     return E_NOTIMPL;
1885 }
1886
1887 static HRESULT WINAPI HTMLDOMRange_setEnd(IHTMLDOMRange *iface, IDispatch *node, LONG offset)
1888 {
1889     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1890     FIXME("(%p)->(%p, %d)\n", This, node, offset);
1891     return E_NOTIMPL;
1892 }
1893
1894 static HRESULT WINAPI HTMLDOMRange_setStartBefore(IHTMLDOMRange *iface, IDispatch *node)
1895 {
1896     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1897     FIXME("(%p)->(%p)\n", This, node);
1898     return E_NOTIMPL;
1899 }
1900
1901 static HRESULT WINAPI HTMLDOMRange_setStartAfter(IHTMLDOMRange *iface, IDispatch *node)
1902 {
1903     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1904     FIXME("(%p)->(%p)\n", This, node);
1905     return E_NOTIMPL;
1906 }
1907
1908 static HRESULT WINAPI HTMLDOMRange_setEndBefore(IHTMLDOMRange *iface, IDispatch *node)
1909 {
1910     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1911     FIXME("(%p)->(%p)\n", This, node);
1912     return E_NOTIMPL;
1913 }
1914
1915 static HRESULT WINAPI HTMLDOMRange_setEndAfter(IHTMLDOMRange *iface, IDispatch *node)
1916 {
1917     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1918     FIXME("(%p)->(%p)\n", This, node);
1919     return E_NOTIMPL;
1920 }
1921
1922 static HRESULT WINAPI HTMLDOMRange_collapse(IHTMLDOMRange *iface, VARIANT_BOOL tostart)
1923 {
1924     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1925     FIXME("(%p)->(%x)\n", This, tostart);
1926     return E_NOTIMPL;
1927 }
1928
1929 static HRESULT WINAPI HTMLDOMRange_selectNode(IHTMLDOMRange *iface, IDispatch *node)
1930 {
1931     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1932     FIXME("(%p)->(%p)\n", This, node);
1933     return E_NOTIMPL;
1934 }
1935
1936 static HRESULT WINAPI HTMLDOMRange_selectNodeContents(IHTMLDOMRange *iface, IDispatch *node)
1937 {
1938     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1939     FIXME("(%p)->(%p)\n", This, node);
1940     return E_NOTIMPL;
1941 }
1942
1943 static HRESULT WINAPI HTMLDOMRange_compareBoundaryPoints(IHTMLDOMRange *iface, short how,
1944     IDispatch *src_range, LONG *result)
1945 {
1946     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1947     FIXME("(%p)->(%x, %p, %p)\n", This, how, src_range, result);
1948     return E_NOTIMPL;
1949 }
1950
1951 static HRESULT WINAPI HTMLDOMRange_deleteContents(IHTMLDOMRange *iface)
1952 {
1953     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1954     FIXME("(%p)\n", This);
1955     return E_NOTIMPL;
1956 }
1957
1958 static HRESULT WINAPI HTMLDOMRange_extractContents(IHTMLDOMRange *iface, IDispatch **p)
1959 {
1960     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1961     FIXME("(%p)->(%p)\n", This, p);
1962     return E_NOTIMPL;
1963 }
1964
1965 static HRESULT WINAPI HTMLDOMRange_cloneContents(IHTMLDOMRange *iface, IDispatch **p)
1966 {
1967     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1968     FIXME("(%p)->(%p)\n", This, p);
1969     return E_NOTIMPL;
1970 }
1971
1972 static HRESULT WINAPI HTMLDOMRange_insertNode(IHTMLDOMRange *iface, IDispatch *node)
1973 {
1974     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1975     FIXME("(%p)->(%p)\n", This, node);
1976     return E_NOTIMPL;
1977 }
1978
1979 static HRESULT WINAPI HTMLDOMRange_surroundContents(IHTMLDOMRange *iface, IDispatch *parent)
1980 {
1981     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1982     FIXME("(%p)->(%p)\n", This, parent);
1983     return E_NOTIMPL;
1984 }
1985
1986 static HRESULT WINAPI HTMLDOMRange_cloneRange(IHTMLDOMRange *iface, IHTMLDOMRange **p)
1987 {
1988     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1989     FIXME("(%p)->(%p)\n", This, p);
1990     return E_NOTIMPL;
1991 }
1992
1993 static HRESULT WINAPI HTMLDOMRange_toString(IHTMLDOMRange *iface, BSTR *p)
1994 {
1995     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
1996     FIXME("(%p)->(%p)\n", This, p);
1997     return E_NOTIMPL;
1998 }
1999
2000 static HRESULT WINAPI HTMLDOMRange_detach(IHTMLDOMRange *iface)
2001 {
2002     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
2003     FIXME("(%p)\n", This);
2004     return E_NOTIMPL;
2005 }
2006
2007 static HRESULT WINAPI HTMLDOMRange_getClientRects(IHTMLDOMRange *iface, IHTMLRectCollection **p)
2008 {
2009     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
2010     FIXME("(%p)->(%p)\n", This, p);
2011     return E_NOTIMPL;
2012 }
2013
2014 static HRESULT WINAPI HTMLDOMRange_getBoundingClientRect(IHTMLDOMRange *iface, IHTMLRect **p)
2015 {
2016     HTMLDOMRange *This = impl_from_IHTMLDOMRange(iface);
2017     FIXME("(%p)->(%p)\n", This, p);
2018     return E_NOTIMPL;
2019 }
2020
2021 static const IHTMLDOMRangeVtbl HTMLDOMRangeVtbl = {
2022     HTMLDOMRange_QueryInterface,
2023     HTMLDOMRange_AddRef,
2024     HTMLDOMRange_Release,
2025     HTMLDOMRange_GetTypeInfoCount,
2026     HTMLDOMRange_GetTypeInfo,
2027     HTMLDOMRange_GetIDsOfNames,
2028     HTMLDOMRange_Invoke,
2029     HTMLDOMRange_get_startContainer,
2030     HTMLDOMRange_get_startOffset,
2031     HTMLDOMRange_get_endContainer,
2032     HTMLDOMRange_get_endOffset,
2033     HTMLDOMRange_get_collapsed,
2034     HTMLDOMRange_get_commonAncestorContainer,
2035     HTMLDOMRange_setStart,
2036     HTMLDOMRange_setEnd,
2037     HTMLDOMRange_setStartBefore,
2038     HTMLDOMRange_setStartAfter,
2039     HTMLDOMRange_setEndBefore,
2040     HTMLDOMRange_setEndAfter,
2041     HTMLDOMRange_collapse,
2042     HTMLDOMRange_selectNode,
2043     HTMLDOMRange_selectNodeContents,
2044     HTMLDOMRange_compareBoundaryPoints,
2045     HTMLDOMRange_deleteContents,
2046     HTMLDOMRange_extractContents,
2047     HTMLDOMRange_cloneContents,
2048     HTMLDOMRange_insertNode,
2049     HTMLDOMRange_surroundContents,
2050     HTMLDOMRange_cloneRange,
2051     HTMLDOMRange_toString,
2052     HTMLDOMRange_detach,
2053     HTMLDOMRange_getClientRects,
2054     HTMLDOMRange_getBoundingClientRect,
2055 };
2056
2057 static const tid_t HTMLDOMRange_iface_tids[] = {
2058     IHTMLDOMRange_tid,
2059     0
2060 };
2061
2062 static dispex_static_data_t HTMLDOMRange_dispex = {
2063     NULL,
2064     DispHTMLDOMRange_tid,
2065     HTMLDOMRange_iface_tids
2066 };
2067
2068 HRESULT HTMLDOMRange_Create(nsIDOMRange *nsrange, IHTMLDOMRange **p)
2069 {
2070     HTMLDOMRange *ret;
2071
2072     ret = heap_alloc(sizeof(*ret));
2073     if(!ret)
2074         return E_OUTOFMEMORY;
2075
2076     init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLDOMRange_iface, &HTMLDOMRange_dispex);
2077
2078     ret->IHTMLDOMRange_iface.lpVtbl = &HTMLDOMRangeVtbl;
2079     ret->ref = 1;
2080
2081     if(nsrange)
2082         nsIDOMRange_AddRef(nsrange);
2083     ret->nsrange = nsrange;
2084
2085     *p = &ret->IHTMLDOMRange_iface;
2086     return S_OK;
2087 }
2088
2089 void detach_ranges(HTMLDocumentNode *This)
2090 {
2091     HTMLTxtRange *iter, *next;
2092
2093     LIST_FOR_EACH_ENTRY_SAFE(iter, next, &This->range_list, HTMLTxtRange, entry) {
2094         iter->doc = NULL;
2095         list_remove(&iter->entry);
2096     }
2097 }
2098
2099 typedef struct {
2100     IMarkupPointer2 IMarkupPointer2_iface;
2101     LONG ref;
2102 } MarkupPointer;
2103
2104 static inline MarkupPointer *impl_from_IMarkupPointer2(IMarkupPointer2 *iface)
2105 {
2106     return CONTAINING_RECORD(iface, MarkupPointer, IMarkupPointer2_iface);
2107 }
2108
2109 static HRESULT WINAPI MarkupPointer2_QueryInterface(IMarkupPointer2 *iface, REFIID riid, void **ppv)
2110 {
2111     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2112
2113     TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
2114
2115     if(IsEqualGUID(&IID_IUnknown, riid)) {
2116         *ppv = &This->IMarkupPointer2_iface;
2117     }else if(IsEqualGUID(&IID_IMarkupPointer, riid)) {
2118         *ppv = &This->IMarkupPointer2_iface;
2119     }else if(IsEqualGUID(&IID_IMarkupPointer2, riid)) {
2120         *ppv = &This->IMarkupPointer2_iface;
2121     }else {
2122         *ppv = NULL;
2123         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
2124         return E_NOINTERFACE;
2125     }
2126
2127     IUnknown_AddRef((IUnknown*)*ppv);
2128     return S_OK;
2129 }
2130
2131 static ULONG WINAPI MarkupPointer2_AddRef(IMarkupPointer2 *iface)
2132 {
2133     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2134     LONG ref = InterlockedIncrement(&This->ref);
2135
2136     TRACE("(%p) ref=%d\n", This, ref);
2137
2138     return ref;
2139 }
2140
2141 static ULONG WINAPI MarkupPointer2_Release(IMarkupPointer2 *iface)
2142 {
2143     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2144     LONG ref = InterlockedDecrement(&This->ref);
2145
2146     TRACE("(%p) ref=%d\n", This, ref);
2147
2148     if(!ref)
2149         heap_free(This);
2150
2151     return ref;
2152 }
2153
2154 static HRESULT WINAPI MarkupPointer2_OwningDoc(IMarkupPointer2 *iface, IHTMLDocument2 **p)
2155 {
2156     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2157     FIXME("(%p)->(%p)\n", This, p);
2158     return E_NOTIMPL;
2159 }
2160
2161 static HRESULT WINAPI MarkupPointer2_Gravity(IMarkupPointer2 *iface, POINTER_GRAVITY *p)
2162 {
2163     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2164     FIXME("(%p)->(%p)\n", This, p);
2165     return E_NOTIMPL;
2166 }
2167
2168 static HRESULT WINAPI MarkupPointer2_SetGravity(IMarkupPointer2 *iface, POINTER_GRAVITY gravity)
2169 {
2170     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2171     FIXME("(%p)->(%u)\n", This, gravity);
2172     return E_NOTIMPL;
2173 }
2174
2175 static HRESULT WINAPI MarkupPointer2_Cling(IMarkupPointer2 *iface, BOOL *p)
2176 {
2177     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2178     FIXME("(%p)->(%p)\n", This, p);
2179     return E_NOTIMPL;
2180 }
2181
2182 static HRESULT WINAPI MarkupPointer2_SetCling(IMarkupPointer2 *iface, BOOL cling)
2183 {
2184     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2185     FIXME("(%p)->(%x)\n", This, cling);
2186     return E_NOTIMPL;
2187 }
2188
2189 static HRESULT WINAPI MarkupPointer2_Unposition(IMarkupPointer2 *iface)
2190 {
2191     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2192     FIXME("(%p)\n", This);
2193     return E_NOTIMPL;
2194 }
2195
2196 static HRESULT WINAPI MarkupPointer2_IsPositioned(IMarkupPointer2 *iface, BOOL *p)
2197 {
2198     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2199     FIXME("(%p)->(%p)\n", This, p);
2200     return E_NOTIMPL;
2201 }
2202
2203 static HRESULT WINAPI MarkupPointer2_GetContainer(IMarkupPointer2 *iface, IMarkupContainer **p)
2204 {
2205     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2206     FIXME("(%p)->(%p)\n", This, p);
2207     return E_NOTIMPL;
2208 }
2209
2210 static HRESULT WINAPI MarkupPointer2_MoveAdjacentToElement(IMarkupPointer2 *iface, IHTMLElement *element, ELEMENT_ADJACENCY adj)
2211 {
2212     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2213     FIXME("(%p)->(%p %u)\n", This, element, adj);
2214     return E_NOTIMPL;
2215 }
2216
2217 static HRESULT WINAPI MarkupPointer2_MoveToPointer(IMarkupPointer2 *iface, IMarkupPointer *pointer)
2218 {
2219     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2220     FIXME("(%p)->(%p)\n", This, pointer);
2221     return E_NOTIMPL;
2222 }
2223
2224 static HRESULT WINAPI MarkupPointer2_MoveToContainer(IMarkupPointer2 *iface, IMarkupContainer *container, BOOL at_start)
2225 {
2226     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2227     FIXME("(%p)->(%p %x)\n", This, container, at_start);
2228     return E_NOTIMPL;
2229 }
2230
2231 static HRESULT WINAPI MarkupPointer2_Left(IMarkupPointer2 *iface, BOOL move, MARKUP_CONTEXT_TYPE *context,
2232                                           IHTMLElement **element, LONG *len, OLECHAR *text)
2233 {
2234     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2235     FIXME("(%p)->(%x %p %p %p %p)\n", This, move, context, element, len, text);
2236     return E_NOTIMPL;
2237 }
2238
2239 static HRESULT WINAPI MarkupPointer2_Right(IMarkupPointer2 *iface, BOOL move, MARKUP_CONTEXT_TYPE *context,
2240                                            IHTMLElement **element, LONG *len, OLECHAR *text)
2241 {
2242     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2243     FIXME("(%p)->(%x %p %p %p %p)\n", This, move, context, element, len, text);
2244     return E_NOTIMPL;
2245 }
2246
2247 static HRESULT WINAPI MarkupPointer2_CurrentScope(IMarkupPointer2 *iface, IHTMLElement **p)
2248 {
2249     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2250     FIXME("(%p)->(%p)\n", This, p);
2251     return E_NOTIMPL;
2252 }
2253
2254 static HRESULT WINAPI MarkupPointer2_IsLeftOf(IMarkupPointer2 *iface, IMarkupPointer *that_pointer, BOOL *p)
2255 {
2256     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2257     FIXME("(%p)->(%p %p)\n", This, that_pointer, p);
2258     return E_NOTIMPL;
2259 }
2260
2261 static HRESULT WINAPI MarkupPointer2_IsLeftOfOrEqualTo(IMarkupPointer2 *iface, IMarkupPointer *that_pointer, BOOL *p)
2262 {
2263     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2264     FIXME("(%p)->(%p %p)\n", This, that_pointer, p);
2265     return E_NOTIMPL;
2266 }
2267
2268 static HRESULT WINAPI MarkupPointer2_IsRightOf(IMarkupPointer2 *iface, IMarkupPointer *that_pointer, BOOL *p)
2269 {
2270     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2271     FIXME("(%p)->(%p %p)\n", This, that_pointer, p);
2272     return E_NOTIMPL;
2273 }
2274
2275 static HRESULT WINAPI MarkupPointer2_IsRightOfOrEqualTo(IMarkupPointer2 *iface, IMarkupPointer *that_pointer, BOOL *p)
2276 {
2277     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2278     FIXME("(%p)->(%p %p)\n", This, that_pointer, p);
2279     return E_NOTIMPL;
2280 }
2281
2282 static HRESULT WINAPI MarkupPointer2_IsEqualTo(IMarkupPointer2 *iface, IMarkupPointer *that_pointer, BOOL *p)
2283 {
2284     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2285     FIXME("(%p)->(%p %p)\n", This, that_pointer, p);
2286     return E_NOTIMPL;
2287 }
2288
2289 static HRESULT WINAPI MarkupPointer2_MoveUnit(IMarkupPointer2 *iface, MOVEUNIT_ACTION action)
2290 {
2291     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2292     FIXME("(%p)->(%u)\n", This, action);
2293     return E_NOTIMPL;
2294 }
2295
2296 static HRESULT WINAPI MarkupPointer2_FindText(IMarkupPointer2 *iface, OLECHAR *text, DWORD flags,
2297                                               IMarkupPointer *end_match, IMarkupPointer *end_search)
2298 {
2299     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2300     FIXME("(%p)->(%s %x %p %p)\n", This, debugstr_w(text), flags, end_match, end_search);
2301     return E_NOTIMPL;
2302 }
2303
2304 static HRESULT WINAPI MarkupPointer2_IsAtWordBreak(IMarkupPointer2 *iface, BOOL *p)
2305 {
2306     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2307     FIXME("(%p)->(%p)\n", This, p);
2308     return E_NOTIMPL;
2309 }
2310
2311 static HRESULT WINAPI MarkupPointer2_GetMarkupPosition(IMarkupPointer2 *iface, LONG *p)
2312 {
2313     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2314     FIXME("(%p)->(%p)\n", This, p);
2315     return E_NOTIMPL;
2316 }
2317
2318 static HRESULT WINAPI MarkupPointer2_MoveToMarkupPosition(IMarkupPointer2 *iface, IMarkupContainer *container, LONG mp)
2319 {
2320     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2321     FIXME("(%p)->(%p %d)\n", This, container, mp);
2322     return E_NOTIMPL;
2323 }
2324
2325 static HRESULT WINAPI MarkupPointer2_MoveUnitBounded(IMarkupPointer2 *iface, MOVEUNIT_ACTION action, IMarkupPointer *boundary)
2326 {
2327     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2328     FIXME("(%p)->(%u %p)\n", This, action, boundary);
2329     return E_NOTIMPL;
2330 }
2331
2332 static HRESULT WINAPI MarkupPointer2_IsInsideURL(IMarkupPointer2 *iface, IMarkupPointer *right, BOOL *p)
2333 {
2334     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2335     FIXME("(%p)->(%p %p)\n", This, right, p);
2336     return E_NOTIMPL;
2337 }
2338
2339 static HRESULT WINAPI MarkupPointer2_MoveToContent(IMarkupPointer2 *iface, IHTMLElement *element, BOOL at_start)
2340 {
2341     MarkupPointer *This = impl_from_IMarkupPointer2(iface);
2342     FIXME("(%p)->(%p %x)\n", This, element, at_start);
2343     return E_NOTIMPL;
2344 }
2345
2346 static const IMarkupPointer2Vtbl MarkupPointer2Vtbl = {
2347     MarkupPointer2_QueryInterface,
2348     MarkupPointer2_AddRef,
2349     MarkupPointer2_Release,
2350     MarkupPointer2_OwningDoc,
2351     MarkupPointer2_Gravity,
2352     MarkupPointer2_SetGravity,
2353     MarkupPointer2_Cling,
2354     MarkupPointer2_SetCling,
2355     MarkupPointer2_Unposition,
2356     MarkupPointer2_IsPositioned,
2357     MarkupPointer2_GetContainer,
2358     MarkupPointer2_MoveAdjacentToElement,
2359     MarkupPointer2_MoveToPointer,
2360     MarkupPointer2_MoveToContainer,
2361     MarkupPointer2_Left,
2362     MarkupPointer2_Right,
2363     MarkupPointer2_CurrentScope,
2364     MarkupPointer2_IsLeftOf,
2365     MarkupPointer2_IsLeftOfOrEqualTo,
2366     MarkupPointer2_IsRightOf,
2367     MarkupPointer2_IsRightOfOrEqualTo,
2368     MarkupPointer2_IsEqualTo,
2369     MarkupPointer2_MoveUnit,
2370     MarkupPointer2_FindText,
2371     MarkupPointer2_IsAtWordBreak,
2372     MarkupPointer2_GetMarkupPosition,
2373     MarkupPointer2_MoveToMarkupPosition,
2374     MarkupPointer2_MoveUnitBounded,
2375     MarkupPointer2_IsInsideURL,
2376     MarkupPointer2_MoveToContent
2377 };
2378
2379 HRESULT create_markup_pointer(IMarkupPointer **ret)
2380 {
2381     MarkupPointer *markup_pointer;
2382
2383     if(!(markup_pointer = heap_alloc(sizeof(*markup_pointer))))
2384         return E_OUTOFMEMORY;
2385
2386     markup_pointer->IMarkupPointer2_iface.lpVtbl = &MarkupPointer2Vtbl;
2387     markup_pointer->ref = 1;
2388
2389     *ret = (IMarkupPointer*)&markup_pointer->IMarkupPointer2_iface;
2390     return S_OK;
2391 }