dlls/riched20/writer.c

   1 /*
   2  * RichEdit - RTF writer module
   3  *
   4  * Copyright 2005 by Phil Krylov
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "editor.h"
  22 #include "rtf.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
  25
  26
  27 static BOOL
  28 ME_StreamOutRTFText(ME_TextEditor *editor, WCHAR *text, LONG nChars);
  29
  30
  31 static void
  32 ME_StreamOutInit(ME_TextEditor *editor, EDITSTREAM *stream)
  33 {
  34   editor->pStream = ALLOC_OBJ(ME_OutStream);
  35   editor->pStream->stream = stream;
  36   editor->pStream->pos = 0;
  37   editor->pStream->written = 0;
  38   editor->pStream->nFontTblLen = 0;
  39   editor->pStream->nColorTblLen = 1;
  40 }
  41
  42
  43 static BOOL
  44 ME_StreamOutFlush(ME_TextEditor *editor)
  45 {
  46   LONG nStart = 0;
  47   LONG nWritten = 0;
  48   EDITSTREAM *stream = editor->pStream->stream;
  49
  50   do {
  51     stream->dwError = stream->pfnCallback(stream->dwCookie, editor->pStream->buffer + nStart,
  52                                           editor->pStream->pos - nStart, &nWritten);
  53     if (nWritten == 0 || stream->dwError)
  54       return FALSE;
  55     editor->pStream->written += nWritten;
  56     nStart += nWritten;
  57   } while (nStart < editor->pStream->pos);
  58   editor->pStream->pos = 0;
  59   return TRUE;
  60 }
  61
  62
  63 static LONG
  64 ME_StreamOutFree(ME_TextEditor *editor)
  65 {
  66   LONG written = editor->pStream->written;
  67
  68   FREE_OBJ(editor->pStream);
  69   editor->pStream = NULL;
  70   return written;
  71 }
  72
  73
  74 static BOOL
  75 ME_StreamOutMove(ME_TextEditor *editor, BYTE *buffer, int len)
  76 {
  77   ME_OutStream *pStream = editor->pStream;
  78
  79   while (len) {
  80     int space = STREAMOUT_BUFFER_SIZE - pStream->pos;
  81     int fit = min(space, len);
  82
  83     TRACE("%u:%u:%.*s\n", pStream->pos, fit, fit, buffer);
  84     memmove(pStream->buffer + pStream->pos, buffer, fit);
  85     len -= fit;
  86     buffer += fit;
  87     pStream->pos += fit;
  88     if (pStream->pos == STREAMOUT_BUFFER_SIZE) {
  89       if (!ME_StreamOutFlush(editor))
  90         return FALSE;
  91     }
  92   }
  93   return TRUE;
  94 }
  95
  96
  97 static BOOL
  98 ME_StreamOutPrint(ME_TextEditor *editor, char *format, ...)
  99 {
 100   char string[STREAMOUT_BUFFER_SIZE]; /* This is going to be enough */
 101   int len;
 102   va_list valist;
 103
 104   va_start(valist, format);
 105   len = vsnprintf(string, sizeof(string), format, valist);
 106   va_end(valist);
 107
 108   return ME_StreamOutMove(editor, string, len);
 109 }
 110
 111
 112 static BOOL
 113 ME_StreamOutRTFHeader(ME_TextEditor *editor, int dwFormat)
 114 {
 115   char *cCharSet = NULL;
 116   UINT nCodePage;
 117   LANGID language;
 118   BOOL success;
 119
 120   if (dwFormat & SF_USECODEPAGE) {
 121     CPINFOEXW info;
 122
 123     switch (HIWORD(dwFormat)) {
 124       case CP_ACP:
 125         cCharSet = "ansi";
 126         nCodePage = GetACP();
 127         break;
 128       case CP_OEMCP:
 129         nCodePage = GetOEMCP();
 130         if (nCodePage == 437)
 131           cCharSet = "pc";
 132         else if (nCodePage == 850)
 133           cCharSet = "pca";
 134         else
 135           cCharSet = "ansi";
 136         break;
 137       case CP_UTF8:
 138         nCodePage = CP_UTF8;
 139         break;
 140       default:
 141         if (HIWORD(dwFormat) == CP_MACCP) {
 142           cCharSet = "mac";
 143           nCodePage = 10000; /* MacRoman */
 144         } else {
 145           cCharSet = "ansi";
 146           nCodePage = 1252; /* Latin-1 */
 147         }
 148         if (GetCPInfoExW(HIWORD(dwFormat), 0, &info))
 149           nCodePage = info.CodePage;
 150     }
 151   } else {
 152     cCharSet = "ansi";
 153     /* TODO: If the original document contained an \ansicpg value, retain it.
 154      * Otherwise, M$ richedit emits a codepage number determined from the
 155      * charset of the default font here. Anyway, this value is not used by
 156      * the reader... */
 157     nCodePage = GetACP();
 158   }
 159   if (nCodePage == CP_UTF8)
 160     success = ME_StreamOutPrint(editor, "{\\urtf");
 161   else
 162     success = ME_StreamOutPrint(editor, "{\\rtf1\\%s\\ansicpg%u\\uc1", cCharSet, nCodePage);
 163
 164   if (!success)
 165     return FALSE;
 166
 167   editor->pStream->nDefaultCodePage = nCodePage;
 168
 169   /* FIXME: This should be a document property */
 170   /* TODO: handle SFF_PLAINRTF */
 171   language = GetUserDefaultLangID();
 172   if (!ME_StreamOutPrint(editor, "\\deff0\\deflang%u\\deflangfe%u", language, language))
 173     return FALSE;
 174
 175   /* FIXME: This should be a document property */
 176   editor->pStream->nDefaultFont = 0;
 177
 178   return TRUE;
 179 }
 180
 181
 182 static BOOL
 183 ME_StreamOutRTFFontAndColorTbl(ME_TextEditor *editor, ME_DisplayItem *pFirstRun, ME_DisplayItem *pLastRun)
 184 {
 185   ME_DisplayItem *item = pFirstRun;
 186   ME_FontTableItem *table = editor->pStream->fonttbl;
 187   int i;
 188
 189   do {
 190     CHARFORMAT2W *fmt = &item->member.run.style->fmt;
 191     COLORREF crColor;
 192
 193     if (fmt->dwMask & CFM_FACE) {
 194       WCHAR *face = fmt->szFaceName;
 195       BYTE bCharSet = (fmt->dwMask & CFM_CHARSET) ? fmt->bCharSet : DEFAULT_CHARSET;
 196
 197       for (i = 0; i < editor->pStream->nFontTblLen; i++)
 198         if (table[i].bCharSet == bCharSet
 199             && (table[i].szFaceName == face || !lstrcmpW(table[i].szFaceName, face)))
 200           break;
 201       if (i == editor->pStream->nFontTblLen) {
 202         table[i].bCharSet = bCharSet;
 203         table[i].szFaceName = face;
 204         editor->pStream->nFontTblLen++;
 205       }
 206     }
 207
 208     if (fmt->dwMask & CFM_COLOR && !(fmt->dwEffects & CFE_AUTOCOLOR)) {
 209       crColor = fmt->crTextColor;
 210       for (i = 1; i < editor->pStream->nColorTblLen; i++)
 211         if (editor->pStream->colortbl[i] == crColor)
 212           break;
 213       if (i == editor->pStream->nColorTblLen) {
 214         editor->pStream->colortbl[i] = crColor;
 215         editor->pStream->nColorTblLen++;
 216       }
 217     }
 218     if (fmt->dwMask & CFM_BACKCOLOR && !(fmt->dwEffects & CFE_AUTOBACKCOLOR)) {
 219       crColor = fmt->crBackColor;
 220       for (i = 1; i < editor->pStream->nColorTblLen; i++)
 221         if (editor->pStream->colortbl[i] == crColor)
 222           break;
 223       if (i == editor->pStream->nColorTblLen) {
 224         editor->pStream->colortbl[i] = crColor;
 225         editor->pStream->nColorTblLen++;
 226       }
 227     }
 228
 229     if (item == pLastRun)
 230       break;
 231     item = ME_FindItemFwd(item, diRun);
 232   } while (item);
 233
 234   if (!ME_StreamOutPrint(editor, "{\\fonttbl"))
 235     return FALSE;
 236
 237   for (i = 0; i < editor->pStream->nFontTblLen; i++) {
 238     if (table[i].bCharSet != DEFAULT_CHARSET) {
 239       if (!ME_StreamOutPrint(editor, "{\\f%u\\fcharset%u ", i, table[i].bCharSet))
 240         return FALSE;
 241     } else {
 242       if (!ME_StreamOutPrint(editor, "{\\f%u ", i))
 243         return FALSE;
 244     }
 245     if (!ME_StreamOutRTFText(editor, table[i].szFaceName, -1))
 246       return FALSE;
 247     if (!ME_StreamOutPrint(editor, ";}\r\n"))
 248       return FALSE;
 249   }
 250   if (!ME_StreamOutPrint(editor, "}"))
 251     return FALSE;
 252
 253   /* Output colors table if not empty */
 254   if (editor->pStream->nColorTblLen > 1) {
 255     if (!ME_StreamOutPrint(editor, "{\\colortbl;"))
 256       return FALSE;
 257     for (i = 1; i < editor->pStream->nColorTblLen; i++) {
 258       if (!ME_StreamOutPrint(editor, "\\red%u\\green%u\\blue%u;",
 259                              editor->pStream->colortbl[i] & 0xFF,
 260                              (editor->pStream->colortbl[i] >> 8) & 0xFF,
 261                              (editor->pStream->colortbl[i] >> 16) & 0xFF))
 262         return FALSE;
 263     }
 264     if (!ME_StreamOutPrint(editor, "}"))
 265       return FALSE;
 266   }
 267
 268   return TRUE;
 269 }
 270
 271
 272 static BOOL
 273 ME_StreamOutRTFParaProps(ME_TextEditor *editor, ME_DisplayItem *para)
 274 {
 275   PARAFORMAT2 *fmt = para->member.para.pFmt;
 276   char props[STREAMOUT_BUFFER_SIZE] = "";
 277   int i;
 278
 279   /* TODO: Don't emit anything if the last PARAFORMAT2 is inherited */
 280   if (!ME_StreamOutPrint(editor, "\\pard"))
 281     return FALSE;
 282
 283   /* TODO: PFM_BORDER. M$ does not emit any keywords for these properties, and
 284    * when streaming border keywords in, PFM_BORDER is set, but wBorder field is
 285    * set very different from the documentation.
 286    * (Tested with RichEdit 5.50.25.0601) */
 287
 288   if (fmt->dwMask & PFM_ALIGNMENT) {
 289     switch (fmt->wAlignment) {
 290       case PFA_LEFT:
 291         /* Default alignment: not emitted */
 292         break;
 293       case PFA_RIGHT:
 294         strcat(props, "\\qr");
 295         break;
 296       case PFA_CENTER:
 297         strcat(props, "\\qc");
 298         break;
 299       case PFA_JUSTIFY:
 300         strcat(props, "\\qj");
 301         break;
 302     }
 303   }
 304
 305   if (fmt->dwMask & PFM_LINESPACING) {
 306     /* FIXME: MSDN says that the bLineSpacingRule field is controlled by the
 307      * PFM_SPACEAFTER flag. Is that true? I don't believe so. */
 308     switch (fmt->bLineSpacingRule) {
 309       case 0: /* Single spacing */
 310         strcat(props, "\\sl-240\\slmult1");
 311         break;
 312       case 1: /* 1.5 spacing */
 313         strcat(props, "\\sl-360\\slmult1");
 314         break;
 315       case 2: /* Double spacing */
 316         strcat(props, "\\sl-480\\slmult1");
 317         break;
 318       case 3:
 319         sprintf(props + strlen(props), "\\sl%ld\\slmult0", fmt->dyLineSpacing);
 320         break;
 321       case 4:
 322         sprintf(props + strlen(props), "\\sl-%ld\\slmult0", fmt->dyLineSpacing);
 323         break;
 324       case 5:
 325         sprintf(props + strlen(props), "\\sl-%ld\\slmult1", fmt->dyLineSpacing * 240 / 20);
 326         break;
 327     }
 328   }
 329
 330   if (fmt->dwMask & PFM_DONOTHYPHEN && fmt->wEffects & PFE_DONOTHYPHEN)
 331     strcat(props, "\\hyph0");
 332   if (fmt->dwMask & PFM_KEEP && fmt->wEffects & PFE_KEEP)
 333     strcat(props, "\\keep");
 334   if (fmt->dwMask & PFM_KEEPNEXT && fmt->wEffects & PFE_KEEPNEXT)
 335     strcat(props, "\\keepn");
 336   if (fmt->dwMask & PFM_NOLINENUMBER && fmt->wEffects & PFE_NOLINENUMBER)
 337     strcat(props, "\\noline");
 338   if (fmt->dwMask & PFM_NOWIDOWCONTROL && fmt->wEffects & PFE_NOWIDOWCONTROL)
 339     strcat(props, "\\nowidctlpar");
 340   if (fmt->dwMask & PFM_PAGEBREAKBEFORE && fmt->wEffects & PFE_PAGEBREAKBEFORE)
 341     strcat(props, "\\pagebb");
 342   if (fmt->dwMask & PFM_RTLPARA && fmt->wEffects & PFE_RTLPARA)
 343     strcat(props, "\\rtlpar");
 344   if (fmt->dwMask & PFM_SIDEBYSIDE && fmt->wEffects & PFE_SIDEBYSIDE)
 345     strcat(props, "\\sbys");
 346   if (fmt->dwMask & PFM_TABLE && fmt->dwMask & PFE_TABLE)
 347     strcat(props, "\\intbl");
 348
 349   if (fmt->dwMask & PFM_OFFSET)
 350     sprintf(props + strlen(props), "\\li%ld", fmt->dxOffset);
 351   if (fmt->dwMask & PFM_OFFSETINDENT || fmt->dwMask & PFM_STARTINDENT)
 352     sprintf(props + strlen(props), "\\fi%ld", fmt->dxStartIndent);
 353   if (fmt->dwMask & PFM_RIGHTINDENT)
 354     sprintf(props + strlen(props), "\\ri%ld", fmt->dxRightIndent);
 355   if (fmt->dwMask & PFM_SPACEAFTER)
 356     sprintf(props + strlen(props), "\\sa%ld", fmt->dySpaceAfter);
 357   if (fmt->dwMask & PFM_SPACEBEFORE)
 358     sprintf(props + strlen(props), "\\sb%ld", fmt->dySpaceBefore);
 359   if (fmt->dwMask & PFM_STYLE)
 360     sprintf(props + strlen(props), "\\s%d", fmt->sStyle);
 361
 362   if (fmt->dwMask & PFM_TABSTOPS) {
 363     static const char *leader[6] = { "", "\\tldot", "\\tlhyph", "\\tlul", "\\tlth", "\\tleq" };
 364
 365     for (i = 0; i < fmt->cTabCount; i++) {
 366       switch ((fmt->rgxTabs[i] >> 24) & 0xF) {
 367         case 1:
 368           strcat(props, "\\tqc");
 369           break;
 370         case 2:
 371           strcat(props, "\\tqr");
 372           break;
 373         case 3:
 374           strcat(props, "\\tqdec");
 375           break;
 376         case 4:
 377           /* Word bar tab (vertical bar). Handled below */
 378           break;
 379       }
 380       if (fmt->rgxTabs[i] >> 28 <= 5)
 381         strcat(props, leader[fmt->rgxTabs[i] >> 28]);
 382     }
 383   }
 384
 385
 386   if (fmt->dwMask & PFM_SHADING) {
 387     static const char *style[16] = { "", "\\bgdkhoriz", "\\bgdkvert", "\\bgdkfdiag",
 388                                      "\\bgdkbdiag", "\\bgdkcross", "\\bgdkdcross",
 389                                      "\\bghoriz", "\\bgvert", "\\bgfdiag",
 390                                      "\\bgbdiag", "\\bgcross", "\\bgdcross",
 391                                      "", "", "" };
 392     if (fmt->wShadingWeight)
 393       sprintf(props + strlen(props), "\\shading%d", fmt->wShadingWeight);
 394     if (fmt->wShadingStyle & 0xF)
 395       strcat(props, style[fmt->wShadingStyle & 0xF]);
 396     sprintf(props + strlen(props), "\\cfpat%d\\cbpat%d",
 397             (fmt->wShadingStyle >> 4) & 0xF, (fmt->wShadingStyle >> 8) & 0xF);
 398   }
 399
 400   if (*props && !ME_StreamOutPrint(editor, props))
 401     return FALSE;
 402
 403   return TRUE;
 404 }
 405
 406
 407 static BOOL
 408 ME_StreamOutRTFCharProps(ME_TextEditor *editor, CHARFORMAT2W *fmt)
 409 {
 410   char props[STREAMOUT_BUFFER_SIZE] = "";
 411   int i;
 412
 413   if (fmt->dwMask & CFM_ALLCAPS && fmt->dwEffects & CFE_ALLCAPS)
 414     strcat(props, "\\caps");
 415   if (fmt->dwMask & CFM_ANIMATION)
 416     sprintf(props + strlen(props), "\\animtext%u", fmt->bAnimation);
 417   if (fmt->dwMask & CFM_BACKCOLOR) {
 418     if (!(fmt->dwEffects & CFE_AUTOBACKCOLOR)) {
 419       for (i = 1; i < editor->pStream->nColorTblLen; i++)
 420         if (editor->pStream->colortbl[i] == fmt->crBackColor) {
 421           sprintf(props + strlen(props), "\\cb%u", i);
 422           break;
 423         }
 424     }
 425   }
 426   if (fmt->dwMask & CFM_BOLD && fmt->dwEffects & CFE_BOLD)
 427     strcat(props, "\\b");
 428   if (fmt->dwMask & CFM_COLOR) {
 429     if (!(fmt->dwEffects & CFE_AUTOCOLOR)) {
 430       for (i = 1; i < editor->pStream->nColorTblLen; i++)
 431         if (editor->pStream->colortbl[i] == fmt->crTextColor) {
 432           sprintf(props + strlen(props), "\\cf%u", i);
 433           break;
 434         }
 435     }
 436   }
 437   /* TODO: CFM_DISABLED */
 438   if (fmt->dwMask & CFM_EMBOSS && fmt->dwEffects & CFE_EMBOSS)
 439     strcat(props, "\\embo");
 440   if (fmt->dwMask & CFM_HIDDEN && fmt->dwEffects & CFE_HIDDEN)
 441     strcat(props, "\\v");
 442   if (fmt->dwMask & CFM_IMPRINT && fmt->dwEffects & CFE_IMPRINT)
 443     strcat(props, "\\impr");
 444   if (fmt->dwMask & CFM_ITALIC && fmt->dwEffects & CFE_ITALIC)
 445     strcat(props, "\\i");
 446   if (fmt->dwMask & CFM_KERNING)
 447     sprintf(props + strlen(props), "\\kerning%u", fmt->wKerning);
 448   if (fmt->dwMask & CFM_LCID) {
 449     /* TODO: handle SFF_PLAINRTF */
 450     if (LOWORD(fmt->lcid) == 1024)
 451       strcat(props, "\\noproof\\lang1024\\langnp1024\\langfe1024\\langfenp1024");
 452     else
 453       sprintf(props + strlen(props), "\\lang%u", LOWORD(fmt->lcid));
 454   }
 455   /* CFM_LINK is not streamed out by M$ */
 456   if (fmt->dwMask & CFM_OFFSET) {
 457     if (fmt->yOffset >= 0)
 458       sprintf(props + strlen(props), "\\up%ld", fmt->yOffset);
 459     else
 460       sprintf(props + strlen(props), "\\dn%ld", -fmt->yOffset);
 461   }
 462   if (fmt->dwMask & CFM_OUTLINE && fmt->dwEffects & CFE_OUTLINE)
 463     strcat(props, "\\outl");
 464   if (fmt->dwMask & CFM_PROTECTED && fmt->dwEffects & CFE_PROTECTED)
 465     strcat(props, "\\protect");
 466   /* TODO: CFM_REVISED CFM_REVAUTHOR - probably using rsidtbl? */
 467   if (fmt->dwMask & CFM_SHADOW && fmt->dwEffects & CFE_SHADOW)
 468     strcat(props, "\\shad");
 469   if (fmt->dwMask & CFM_SIZE)
 470     sprintf(props + strlen(props), "\\fs%ld", fmt->yHeight / 10);
 471   if (fmt->dwMask & CFM_SMALLCAPS && fmt->dwEffects & CFE_SMALLCAPS)
 472     strcat(props, "\\scaps");
 473   if (fmt->dwMask & CFM_SPACING)
 474     sprintf(props + strlen(props), "\\expnd%u\\expndtw%u", fmt->sSpacing / 5, fmt->sSpacing);
 475   if (fmt->dwMask & CFM_STRIKEOUT && fmt->dwEffects & CFE_STRIKEOUT)
 476     strcat(props, "\\strike");
 477   if (fmt->dwMask & CFM_STYLE) {
 478     sprintf(props + strlen(props), "\\cs%u", fmt->sStyle);
 479     /* TODO: emit style contents here */
 480   }
 481   if (fmt->dwMask & (CFM_SUBSCRIPT | CFM_SUPERSCRIPT)) {
 482     if (fmt->dwEffects & CFE_SUBSCRIPT)
 483       strcat(props, "\\sub");
 484     else if (fmt->dwEffects & CFE_SUPERSCRIPT)
 485       strcat(props, "\\super");
 486   }
 487   if (fmt->dwMask & CFM_UNDERLINE || fmt->dwMask & CFM_UNDERLINETYPE) {
 488     if (fmt->dwMask & CFM_UNDERLINETYPE)
 489       switch (fmt->bUnderlineType) {
 490         case CFU_CF1UNDERLINE:
 491         case CFU_UNDERLINE:
 492           strcat(props, "\\ul");
 493           break;
 494         case CFU_UNDERLINEDOTTED:
 495           strcat(props, "\\uld");
 496           break;
 497         case CFU_UNDERLINEDOUBLE:
 498           strcat(props, "\\uldb");
 499           break;
 500         case CFU_UNDERLINEWORD:
 501           strcat(props, "\\ulw");
 502           break;
 503         case CFU_UNDERLINENONE:
 504         default:
 505           strcat(props, "\\ul0");
 506           break;
 507       }
 508     else if (fmt->dwEffects & CFE_UNDERLINE)
 509       strcat(props, "\\ul");
 510   }
 511   /* FIXME: How to emit CFM_WEIGHT? */
 512
 513   if (fmt->dwMask & CFM_FACE || fmt->dwMask & CFM_CHARSET) {
 514     WCHAR *szFaceName;
 515
 516     if (fmt->dwMask & CFM_FACE)
 517       szFaceName = fmt->szFaceName;
 518     else
 519       szFaceName = editor->pStream->fonttbl[0].szFaceName;
 520     for (i = 0; i < editor->pStream->nFontTblLen; i++) {
 521       if (szFaceName == editor->pStream->fonttbl[i].szFaceName
 522           || !lstrcmpW(szFaceName, editor->pStream->fonttbl[i].szFaceName))
 523         if (!(fmt->dwMask & CFM_CHARSET)
 524             || fmt->bCharSet == editor->pStream->fonttbl[i].bCharSet)
 525           break;
 526     }
 527     if (i < editor->pStream->nFontTblLen && i != editor->pStream->nDefaultFont)
 528     {
 529       sprintf(props + strlen(props), "\\f%u", i);
 530
 531       /* In UTF-8 mode, charsets/codepages are not used */
 532       if (editor->pStream->nDefaultCodePage != CP_UTF8)
 533       {
 534         if (editor->pStream->fonttbl[i].bCharSet == DEFAULT_CHARSET)
 535           editor->pStream->nCodePage = editor->pStream->nDefaultCodePage;
 536         else
 537           editor->pStream->nCodePage = RTFCharSetToCodePage(NULL,
 538                                                             editor->pStream->fonttbl[i].bCharSet);
 539       }
 540     }
 541   }
 542   if (*props)
 543     strcat(props, " ");
 544   if (!ME_StreamOutPrint(editor, props))
 545     return FALSE;
 546   return TRUE;
 547 }
 548
 549
 550 static BOOL
 551 ME_StreamOutRTFText(ME_TextEditor *editor, WCHAR *text, LONG nChars)
 552 {
 553   char buffer[STREAMOUT_BUFFER_SIZE];
 554   int pos = 0;
 555   int fit, i;
 556
 557   if (nChars == -1)
 558     nChars = lstrlenW(text);
 559
 560   while (nChars) {
 561     /* In UTF-8 mode, font charsets are not used. */
 562     if (editor->pStream->nDefaultCodePage == CP_UTF8) {
 563       /* 6 is the maximum character length in UTF-8 */
 564       fit = min(nChars, STREAMOUT_BUFFER_SIZE / 6);
 565       WideCharToMultiByte(CP_UTF8, 0, text, fit, buffer, STREAMOUT_BUFFER_SIZE,
 566                           NULL, NULL);
 567       nChars -= fit;
 568       text += fit;
 569       for (i = 0; buffer[i]; i++)
 570         if (buffer[i] == '{' || buffer[i] == '}' || buffer[i] == '\\') {
 571           if (!ME_StreamOutPrint(editor, "%.*s\\", i - pos, buffer + pos))
 572             return FALSE;
 573           pos = i;
 574         }
 575       if (!pos)
 576         if (!ME_StreamOutPrint(editor, "%s", buffer + pos))
 577           return FALSE;
 578       pos = 0;
 579     } else if (*text < 128) {
 580       if (*text == '{' || *text == '}' || *text == '\\')
 581         buffer[pos++] = '\\';
 582       buffer[pos++] = (char)(*text++);
 583       nChars--;
 584     } else {
 585       BOOL unknown;
 586       BYTE letter[3];
 587       int nBytes, i;
 588
 589       nBytes = WideCharToMultiByte(editor->pStream->nCodePage, 0, text, 1,
 590                                    letter, 3, NULL, &unknown);
 591       if (unknown)
 592         pos += sprintf(buffer + pos, "\\u%d?", (int)*text);
 593       else if (*letter < 128) {
 594         if (*letter == '{' || *letter == '}' || *letter == '\\')
 595           buffer[pos++] = '\\';
 596         buffer[pos++] = *letter;
 597       } else {
 598          for (i = 0; i < nBytes; i++)
 599            pos += sprintf(buffer + pos, "\\'%02x", letter[i]);
 600       }
 601       text++;
 602       nChars--;
 603     }
 604     if (pos >= STREAMOUT_BUFFER_SIZE - 11) {
 605       if (!ME_StreamOutMove(editor, buffer, pos))
 606         return FALSE;
 607       pos = 0;
 608     }
 609   }
 610   return ME_StreamOutMove(editor, buffer, pos);
 611 }
 612
 613
 614 static BOOL
 615 ME_StreamOutRTF(ME_TextEditor *editor, int nStart, int nChars, int dwFormat)
 616 {
 617   ME_DisplayItem *p, *pEnd;
 618   int nOffset, nEndLen;
 619   ME_RunOfsFromCharOfs(editor, nStart, &p, &nOffset);
 620   ME_RunOfsFromCharOfs(editor, nStart+nChars, &pEnd, &nEndLen);
 621
 622   if (!ME_StreamOutRTFHeader(editor, dwFormat))
 623     return FALSE;
 624
 625   if (!ME_StreamOutRTFFontAndColorTbl(editor, p, pEnd))
 626     return FALSE;
 627
 628   /* TODO: stylesheet table */
 629
 630   /* FIXME: maybe emit something smarter for the generator? */
 631   if (!ME_StreamOutPrint(editor, "{\\*\\generator Wine Riched20 2.0.????;}"))
 632     return FALSE;
 633
 634   /* TODO: information group */
 635
 636   /* TODO: document formatting properties */
 637
 638   /* FIXME: We have only one document section */
 639
 640   /* TODO: section formatting properties */
 641
 642   if (!ME_StreamOutRTFParaProps(editor, ME_GetParagraph(p)))
 643     return FALSE;
 644
 645   while(1)
 646   {
 647     switch(p->type)
 648     {
 649       case diParagraph:
 650         if (!ME_StreamOutRTFParaProps(editor, p))
 651           return FALSE;
 652         break;
 653       case diRun:
 654         if (p == pEnd && !nEndLen)
 655           break;
 656         TRACE("flags %xh\n", p->member.run.nFlags);
 657         /* TODO: emit embedded objects */
 658         if (p->member.run.nFlags & MERF_GRAPHICS)
 659           FIXME("embedded objects are not handled\n");
 660         if (p->member.run.nFlags & MERF_ENDPARA) {
 661           if (!ME_StreamOutPrint(editor, "\r\n\\par"))
 662             return FALSE;
 663           nChars--;
 664         } else {
 665           int nEnd;
 666
 667           if (!ME_StreamOutPrint(editor, "{"))
 668             return FALSE;
 669           TRACE("style %p\n", p->member.run.style);
 670           if (!ME_StreamOutRTFCharProps(editor, &p->member.run.style->fmt))
 671             return FALSE;
 672
 673           nEnd = (p == pEnd) ? nEndLen : ME_StrLen(p->member.run.strText);
 674           if (!ME_StreamOutRTFText(editor, p->member.run.strText->szData + nOffset, nEnd - nOffset))
 675             return FALSE;
 676           nOffset = 0;
 677           if (!ME_StreamOutPrint(editor, "}"))
 678             return FALSE;
 679         }
 680         break;
 681       default: /* we missed the last item */
 682         assert(0);
 683     }
 684     if (p == pEnd)
 685       break;
 686     p = ME_FindItemFwd(p, diRunOrParagraphOrEnd);
 687   }
 688   if (!ME_StreamOutPrint(editor, "}"))
 689     return FALSE;
 690   return TRUE;
 691 }
 692
 693
 694 static BOOL
 695 ME_StreamOutText(ME_TextEditor *editor, int nStart, int nChars, DWORD dwFormat)
 696 {
 697   /* FIXME: use ME_RunOfsFromCharOfs */
 698   ME_DisplayItem *item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart);
 699   int nLen;
 700   UINT nCodePage = CP_ACP;
 701   BYTE *buffer = NULL;
 702   int nBufLen = 0;
 703   BOOL success = TRUE;
 704
 705   if (!item)
 706     return FALSE;
 707
 708   if (dwFormat & SF_USECODEPAGE)
 709     nCodePage = HIWORD(dwFormat);
 710
 711   /* TODO: Handle SF_TEXTIZED */
 712
 713   while (success && nChars && item) {
 714     nLen = ME_StrLen(item->member.run.strText) - nStart;
 715     if (nLen > nChars)
 716       nLen = nChars;
 717
 718     if (item->member.run.nFlags & MERF_ENDPARA) {
 719       WCHAR szEOL[] = { '\r', '\n' };
 720
 721       if (dwFormat & SF_UNICODE)
 722         success = ME_StreamOutMove(editor, (BYTE *)szEOL, 4);
 723       else
 724         success = ME_StreamOutMove(editor, "\r\n", 2);
 725     } else {
 726       if (dwFormat & SF_UNICODE)
 727         success = ME_StreamOutMove(editor, (BYTE *)(item->member.run.strText->szData + nStart),
 728                                    sizeof(WCHAR) * nLen);
 729       else {
 730         int nSize;
 731
 732         nSize = WideCharToMultiByte(nCodePage, 0, item->member.run.strText->szData + nStart,
 733                                     nLen, NULL, 0, NULL, NULL);
 734         if (nSize > nBufLen) {
 735           if (buffer)
 736             FREE_OBJ(buffer);
 737           buffer = ALLOC_N_OBJ(BYTE, nSize);
 738           nBufLen = nSize;
 739         }
 740         WideCharToMultiByte(nCodePage, 0, item->member.run.strText->szData + nStart,
 741                             nLen, buffer, nSize, NULL, NULL);
 742         success = ME_StreamOutMove(editor, buffer, nSize - 1);
 743       }
 744     }
 745
 746     nChars -= nLen;
 747     nStart = 0;
 748     item = ME_FindItemFwd(item, diRun);
 749   }
 750
 751   if (buffer)
 752     FREE_OBJ(buffer);
 753   return success;
 754 }
 755
 756
 757 LRESULT
 758 ME_StreamOut(ME_TextEditor *editor, DWORD dwFormat, EDITSTREAM *stream)
 759 {
 760   int nStart, nTo;
 761
 762   ME_StreamOutInit(editor, stream);
 763
 764   if (dwFormat & SFF_SELECTION)
 765     ME_GetSelection(editor, &nStart, &nTo);
 766   else {
 767     nStart = 0;
 768     nTo = -1;
 769   }
 770   if (nTo == -1)
 771     nTo = ME_GetTextLength(editor);
 772   TRACE("from %d to %d\n", nStart, nTo);
 773
 774   if (dwFormat & SF_RTF || dwFormat & SF_RTFNOOBJS)
 775     ME_StreamOutRTF(editor, nStart, nTo - nStart, dwFormat);
 776   else if (dwFormat & SF_TEXT || dwFormat & SF_TEXTIZED)
 777     ME_StreamOutText(editor, nStart, nTo - nStart, dwFormat);
 778
 779   ME_StreamOutFlush(editor);
 780   return ME_StreamOutFree(editor);
 781 }