src/richtext/richtextxml.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/richtext/richtextxml.cpp
   3 // Purpose:     XML and HTML I/O for wxRichTextCtrl
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     2005-09-30
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_RICHTEXT && wxUSE_XML
  20
  21 #include "wx/richtext/richtextxml.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/intl.h"
  25     #include "wx/module.h"
  26 #endif
  27
  28 #include "wx/filename.h"
  29 #include "wx/clipbrd.h"
  30 #include "wx/wfstream.h"
  31 #include "wx/sstream.h"
  32 #include "wx/txtstrm.h"
  33 #include "wx/tokenzr.h"
  34 #include "wx/xml/xml.h"
  35
  36 IMPLEMENT_DYNAMIC_CLASS(wxRichTextXMLHandler, wxRichTextFileHandler)
  37
  38 #if wxUSE_STREAMS
  39 bool wxRichTextXMLHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream)
  40 {
  41     if (!stream.IsOk())
  42         return false;
  43
  44     buffer->Clear();
  45
  46     wxXmlDocument* xmlDoc = new wxXmlDocument;
  47     bool success = true;
  48
  49     // This is the encoding to convert to (memory encoding rather than file encoding)
  50     wxString encoding(wxT("UTF-8"));
  51
  52 #if !wxUSE_UNICODE && wxUSE_INTL
  53     encoding = wxLocale::GetSystemEncodingName();
  54 #endif
  55
  56     if (!xmlDoc->Load(stream, encoding))
  57     {
  58         success = false;
  59     }
  60     else
  61     {
  62         if (xmlDoc->GetRoot() && xmlDoc->GetRoot()->GetType() == wxXML_ELEMENT_NODE && xmlDoc->GetRoot()->GetName() == wxT("richtext"))
  63         {
  64             wxXmlNode* child = xmlDoc->GetRoot()->GetChildren();
  65             while (child)
  66             {
  67                 if (child->GetType() == wxXML_ELEMENT_NODE)
  68                 {
  69                     wxString name = child->GetName();
  70                     if (name == wxT("richtext-version"))
  71                     {
  72                     }
  73                     else
  74                         ImportXML(buffer, child);
  75                 }
  76
  77                 child = child->GetNext();
  78             }
  79         }
  80         else
  81         {
  82             success = false;
  83         }
  84     }
  85
  86     delete xmlDoc;
  87
  88     buffer->UpdateRanges();
  89
  90     return success;
  91 }
  92
  93 /// Recursively import an object
  94 bool wxRichTextXMLHandler::ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node)
  95 {
  96     wxString name = node->GetName();
  97
  98     bool doneChildren = false;
  99
 100     if (name == wxT("paragraphlayout"))
 101     {
 102         wxString partial = node->GetPropVal(wxT("partialparagraph"), wxEmptyString);
 103         if (partial == wxT("true"))
 104             buffer->SetPartialParagraph(true);
 105     }
 106     else if (name == wxT("paragraph"))
 107     {
 108         wxRichTextParagraph* para = new wxRichTextParagraph(buffer);
 109         buffer->AppendChild(para);
 110
 111         GetStyle(para->GetAttributes(), node, true);
 112
 113         wxXmlNode* child = node->GetChildren();
 114         while (child)
 115         {
 116             wxString childName = child->GetName();
 117             if (childName == wxT("text"))
 118             {
 119                 wxString text;
 120                 wxXmlNode* textChild = child->GetChildren();
 121                 while (textChild)
 122                 {
 123                     if (textChild->GetType() == wxXML_TEXT_NODE ||
 124                         textChild->GetType() == wxXML_CDATA_SECTION_NODE)
 125                     {
 126                         wxString text2 = textChild->GetContent();
 127
 128                         // Strip whitespace from end
 129                         if (!text2.empty() && text2[text2.length()-1] == wxT('\n'))
 130                             text2 = text2.Mid(0, text2.length()-1);
 131
 132                         if (!text2.empty() && text2[0] == wxT('"'))
 133                             text2 = text2.Mid(1);
 134                         if (!text2.empty() && text2[text2.length()-1] == wxT('"'))
 135                             text2 = text2.Mid(0, text2.length() - 1);
 136
 137                         text += text2;
 138                     }
 139                     textChild = textChild->GetNext();
 140                 }
 141
 142                 wxRichTextPlainText* textObject = new wxRichTextPlainText(text, para);
 143                 GetStyle(textObject->GetAttributes(), child, false);
 144
 145                 para->AppendChild(textObject);
 146             }
 147             else if (childName == wxT("symbol"))
 148             {
 149                 // This is a symbol that XML can't read in the normal way
 150                 wxString text;
 151                 wxXmlNode* textChild = child->GetChildren();
 152                 while (textChild)
 153                 {
 154                     if (textChild->GetType() == wxXML_TEXT_NODE ||
 155                         textChild->GetType() == wxXML_CDATA_SECTION_NODE)
 156                     {
 157                         wxString text2 = textChild->GetContent();
 158                         text += text2;
 159                     }
 160                     textChild = textChild->GetNext();
 161                 }
 162
 163                 wxString actualText;
 164                 actualText << (wxChar) wxAtoi(text);
 165
 166                 wxRichTextPlainText* textObject = new wxRichTextPlainText(actualText, para);
 167                 GetStyle(textObject->GetAttributes(), child, false);
 168
 169                 para->AppendChild(textObject);
 170             }
 171             else if (childName == wxT("image"))
 172             {
 173                 int imageType = wxBITMAP_TYPE_PNG;
 174                 wxString value = node->GetPropVal(wxT("imagetype"), wxEmptyString);
 175                 if (!value.empty())
 176                     imageType = wxAtoi(value);
 177
 178                 wxString data;
 179
 180                 wxXmlNode* imageChild = child->GetChildren();
 181                 while (imageChild)
 182                 {
 183                     wxString childName = imageChild->GetName();
 184                     if (childName == wxT("data"))
 185                     {
 186                         wxXmlNode* dataChild = imageChild->GetChildren();
 187                         while (dataChild)
 188                         {
 189                             data = dataChild->GetContent();
 190                             // wxLogDebug(data);
 191                             dataChild = dataChild->GetNext();
 192                         }
 193
 194                     }
 195                     imageChild = imageChild->GetNext();
 196                 }
 197
 198                 if (!data.empty())
 199                 {
 200                     wxRichTextImage* imageObj = new wxRichTextImage(para);
 201                     para->AppendChild(imageObj);
 202
 203                     wxStringInputStream strStream(data);
 204
 205                     imageObj->GetImageBlock().ReadHex(strStream, data.length(), imageType);
 206                 }
 207             }
 208             child = child->GetNext();
 209         }
 210
 211         doneChildren = true;
 212     }
 213     else if (name == wxT("stylesheet"))
 214     {
 215         if (GetFlags() & wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET)
 216         {
 217             wxRichTextStyleSheet* sheet = new wxRichTextStyleSheet;
 218
 219             wxXmlNode* child = node->GetChildren();
 220             while (child)
 221             {
 222                 ImportStyleDefinition(sheet, child);
 223
 224                 child = child->GetNext();
 225             }
 226
 227             // Notify that styles have changed. If this is vetoed by the app,
 228             // the new sheet will be deleted. If it is not vetoed, the
 229             // old sheet will be deleted and replaced with the new one.
 230             buffer->SetStyleSheetAndNotify(sheet);
 231         }
 232         doneChildren = true;
 233     }
 234
 235     if (!doneChildren)
 236     {
 237         wxXmlNode* child = node->GetChildren();
 238         while (child)
 239         {
 240             ImportXML(buffer, child);
 241             child = child->GetNext();
 242         }
 243     }
 244
 245     return true;
 246 }
 247
 248 bool wxRichTextXMLHandler::ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node)
 249 {
 250     wxString styleType = node->GetName();
 251     wxString styleName = node->GetPropVal(wxT("name"), wxEmptyString);
 252     wxString baseStyleName = node->GetPropVal(wxT("basestyle"), wxEmptyString);
 253
 254     if (styleName.IsEmpty())
 255         return false;
 256
 257     if (styleType == wxT("characterstyle"))
 258     {
 259         wxRichTextCharacterStyleDefinition* def = new wxRichTextCharacterStyleDefinition(styleName);
 260         def->SetBaseStyle(baseStyleName);
 261
 262         wxXmlNode* child = node->GetChildren();
 263         while (child)
 264         {
 265             if (child->GetName() == wxT("style"))
 266             {
 267                 wxTextAttrEx attr;
 268                 GetStyle(attr, child, false);
 269                 def->SetStyle(attr);
 270             }
 271             child = child->GetNext();
 272         }
 273
 274         sheet->AddCharacterStyle(def);
 275     }
 276     else if (styleType == wxT("paragraphstyle"))
 277     {
 278         wxRichTextParagraphStyleDefinition* def = new wxRichTextParagraphStyleDefinition(styleName);
 279
 280         wxString nextStyleName = node->GetPropVal(wxT("nextstyle"), wxEmptyString);
 281         def->SetNextStyle(nextStyleName);
 282         def->SetBaseStyle(baseStyleName);
 283
 284         wxXmlNode* child = node->GetChildren();
 285         while (child)
 286         {
 287             if (child->GetName() == wxT("style"))
 288             {
 289                 wxTextAttrEx attr;
 290                 GetStyle(attr, child, false);
 291                 def->SetStyle(attr);
 292             }
 293             child = child->GetNext();
 294         }
 295
 296         sheet->AddParagraphStyle(def);
 297     }
 298     else if (styleType == wxT("liststyle"))
 299     {
 300         wxRichTextListStyleDefinition* def = new wxRichTextListStyleDefinition(styleName);
 301
 302         wxString nextStyleName = node->GetPropVal(wxT("nextstyle"), wxEmptyString);
 303         def->SetNextStyle(nextStyleName);
 304         def->SetBaseStyle(baseStyleName);
 305
 306         wxXmlNode* child = node->GetChildren();
 307         while (child)
 308         {
 309             if (child->GetName() == wxT("style"))
 310             {
 311                 wxTextAttrEx attr;
 312                 GetStyle(attr, child, false);
 313
 314                 wxString styleLevel = child->GetPropVal(wxT("level"), wxEmptyString);
 315                 if (styleLevel.IsEmpty())
 316                 {
 317                     def->SetStyle(attr);
 318                 }
 319                 else
 320                 {
 321                     int level = wxAtoi(styleLevel);
 322                     if (level > 0 && level <= 10)
 323                     {
 324                         def->SetLevelAttributes(level-1, attr);
 325                     }
 326                 }
 327             }
 328             child = child->GetNext();
 329         }
 330
 331         sheet->AddListStyle(def);
 332     }
 333
 334     return true;
 335 }
 336
 337 //-----------------------------------------------------------------------------
 338 //  xml support routines
 339 //-----------------------------------------------------------------------------
 340
 341 bool wxRichTextXMLHandler::HasParam(wxXmlNode* node, const wxString& param)
 342 {
 343     return (GetParamNode(node, param) != NULL);
 344 }
 345
 346 wxXmlNode *wxRichTextXMLHandler::GetParamNode(wxXmlNode* node, const wxString& param)
 347 {
 348     wxCHECK_MSG(node, NULL, wxT("You can't access node data before it was initialized!"));
 349
 350     wxXmlNode *n = node->GetChildren();
 351
 352     while (n)
 353     {
 354         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
 355             return n;
 356         n = n->GetNext();
 357     }
 358     return NULL;
 359 }
 360
 361
 362 wxString wxRichTextXMLHandler::GetNodeContent(wxXmlNode *node)
 363 {
 364     wxXmlNode *n = node;
 365     if (n == NULL) return wxEmptyString;
 366     n = n->GetChildren();
 367
 368     while (n)
 369     {
 370         if (n->GetType() == wxXML_TEXT_NODE ||
 371             n->GetType() == wxXML_CDATA_SECTION_NODE)
 372             return n->GetContent();
 373         n = n->GetNext();
 374     }
 375     return wxEmptyString;
 376 }
 377
 378
 379 wxString wxRichTextXMLHandler::GetParamValue(wxXmlNode *node, const wxString& param)
 380 {
 381     if (param.empty())
 382         return GetNodeContent(node);
 383     else
 384         return GetNodeContent(GetParamNode(node, param));
 385 }
 386
 387 wxString wxRichTextXMLHandler::GetText(wxXmlNode *node, const wxString& param, bool WXUNUSED(translate))
 388 {
 389     wxXmlNode *parNode = GetParamNode(node, param);
 390     if (!parNode)
 391         parNode = node;
 392     wxString str1(GetNodeContent(parNode));
 393     return str1;
 394 }
 395
 396 // For use with earlier versions of wxWidgets
 397 #ifndef WXUNUSED_IN_UNICODE
 398 #if wxUSE_UNICODE
 399 #define WXUNUSED_IN_UNICODE(x) WXUNUSED(x)
 400 #else
 401 #define WXUNUSED_IN_UNICODE(x) x
 402 #endif
 403 #endif
 404
 405 // write string to output:
 406 inline static void OutputString(wxOutputStream& stream, const wxString& str,
 407                                 wxMBConv *WXUNUSED_IN_UNICODE(convMem) = NULL, wxMBConv *convFile = NULL)
 408 {
 409     if (str.empty()) return;
 410 #if wxUSE_UNICODE
 411     if (convFile)
 412     {
 413         const wxWX2MBbuf buf(str.mb_str(*convFile));
 414         stream.Write((const char*)buf, strlen((const char*)buf));
 415     }
 416     else
 417     {
 418         const wxWX2MBbuf buf(str.mb_str(wxConvUTF8));
 419         stream.Write((const char*)buf, strlen((const char*)buf));
 420     }
 421 #else
 422     if ( convFile == NULL )
 423         stream.Write(str.mb_str(), str.Len());
 424     else
 425     {
 426         wxString str2(str.wc_str(*convMem), *convFile);
 427         stream.Write(str2.mb_str(), str2.Len());
 428     }
 429 #endif
 430 }
 431
 432 // Same as above, but create entities first.
 433 // Translates '<' to "&lt;", '>' to "&gt;" and '&' to "&amp;"
 434 static void OutputStringEnt(wxOutputStream& stream, const wxString& str,
 435                             wxMBConv *convMem = NULL, wxMBConv *convFile = NULL)
 436 {
 437     wxString buf;
 438     size_t i, last, len;
 439     wxChar c;
 440
 441     len = str.Len();
 442     last = 0;
 443     for (i = 0; i < len; i++)
 444     {
 445         c = str.GetChar(i);
 446
 447         // Original code excluded "&amp;" but we _do_ want to convert
 448         // the ampersand beginning &amp; because otherwise when read in,
 449         // the original "&amp;" becomes "&".
 450
 451         if (c == wxT('<') || c == wxT('>') || c == wxT('"') ||
 452             (c == wxT('&') /* && (str.Mid(i+1, 4) != wxT("amp;")) */ ))
 453         {
 454             OutputString(stream, str.Mid(last, i - last), convMem, convFile);
 455             switch (c)
 456             {
 457             case wxT('<'):
 458                 OutputString(stream, wxT("&lt;"), NULL, NULL);
 459                 break;
 460             case wxT('>'):
 461                 OutputString(stream, wxT("&gt;"), NULL, NULL);
 462                 break;
 463             case wxT('&'):
 464                 OutputString(stream, wxT("&amp;"), NULL, NULL);
 465                 break;
 466             case wxT('"'):
 467                 OutputString(stream, wxT("&quot;"), NULL, NULL);
 468                 break;
 469             default: break;
 470             }
 471             last = i + 1;
 472         }
 473         else if (wxUChar(c) > 127)
 474         {
 475             OutputString(stream, str.Mid(last, i - last), convMem, convFile);
 476
 477             wxString s(wxT("&#"));
 478             s << (int) c;
 479             s << wxT(";");
 480             OutputString(stream, s, NULL, NULL);
 481             last = i + 1;
 482         }
 483     }
 484     OutputString(stream, str.Mid(last, i - last), convMem, convFile);
 485 }
 486
 487 inline static void OutputIndentation(wxOutputStream& stream, int indent)
 488 {
 489     wxString str = wxT("\n");
 490     for (int i = 0; i < indent; i++)
 491         str << wxT(' ') << wxT(' ');
 492     OutputString(stream, str, NULL, NULL);
 493 }
 494
 495 // Convert a colour to a 6-digit hex string
 496 static wxString ColourToHexString(const wxColour& col)
 497 {
 498     wxString hex;
 499
 500     hex += wxDecToHex(col.Red());
 501     hex += wxDecToHex(col.Green());
 502     hex += wxDecToHex(col.Blue());
 503
 504     return hex;
 505 }
 506
 507 // Convert 6-digit hex string to a colour
 508 static wxColour HexStringToColour(const wxString& hex)
 509 {
 510     unsigned char r = (unsigned char)wxHexToDec(hex.Mid(0, 2));
 511     unsigned char g = (unsigned char)wxHexToDec(hex.Mid(2, 2));
 512     unsigned char b = (unsigned char)wxHexToDec(hex.Mid(4, 2));
 513
 514     return wxColour(r, g, b);
 515 }
 516
 517 bool wxRichTextXMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
 518 {
 519     if (!stream.IsOk())
 520         return false;
 521
 522     wxString version(wxT("1.0") ) ;
 523
 524     bool deleteConvFile = false;
 525     wxString fileEncoding;
 526     wxMBConv* convFile = NULL;
 527
 528 #if wxUSE_UNICODE
 529     fileEncoding = wxT("UTF-8");
 530     convFile = & wxConvUTF8;
 531 #else
 532     fileEncoding = wxT("ISO-8859-1");
 533     convFile = & wxConvISO8859_1;
 534 #endif
 535
 536     // If SetEncoding has been called, change the output encoding.
 537     if (!m_encoding.empty() && m_encoding.Lower() != fileEncoding.Lower())
 538     {
 539         if (m_encoding == wxT("<System>"))
 540         {
 541             fileEncoding = wxLocale::GetSystemEncodingName();
 542         }
 543         else
 544         {
 545             fileEncoding = m_encoding;
 546         }
 547
 548         // GetSystemEncodingName may not have returned a name
 549         if (fileEncoding.empty())
 550 #if wxUSE_UNICODE
 551             fileEncoding = wxT("UTF-8");
 552 #else
 553             fileEncoding = wxT("ISO-8859-1");
 554 #endif
 555         convFile = new wxCSConv(fileEncoding);
 556         deleteConvFile = true;
 557     }
 558
 559 #if !wxUSE_UNICODE
 560     wxMBConv* convMem = wxConvCurrent;
 561 #else
 562     wxMBConv* convMem = NULL;
 563 #endif
 564
 565     wxString s ;
 566     s.Printf(wxT("<?xml version=\"%s\" encoding=\"%s\"?>\n"),
 567         (const wxChar*) version, (const wxChar*) fileEncoding );
 568     OutputString(stream, s, NULL, NULL);
 569     OutputString(stream, wxT("<richtext version=\"1.0.0.0\" xmlns=\"http://www.wxwidgets.org\">") , NULL, NULL);
 570
 571     int level = 1;
 572
 573     if (buffer->GetStyleSheet() && (GetFlags() & wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET))
 574     {
 575         OutputIndentation(stream, level);
 576         OutputString(stream, wxT("<stylesheet>"), convMem, convFile);
 577
 578         int i;
 579
 580         for (i = 0; i < (int) buffer->GetStyleSheet()->GetCharacterStyleCount(); i++)
 581         {
 582             wxRichTextCharacterStyleDefinition* def = buffer->GetStyleSheet()->GetCharacterStyle(i);
 583             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 584         }
 585
 586         for (i = 0; i < (int) buffer->GetStyleSheet()->GetParagraphStyleCount(); i++)
 587         {
 588             wxRichTextParagraphStyleDefinition* def = buffer->GetStyleSheet()->GetParagraphStyle(i);
 589             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 590         }
 591
 592         for (i = 0; i < (int) buffer->GetStyleSheet()->GetListStyleCount(); i++)
 593         {
 594             wxRichTextListStyleDefinition* def = buffer->GetStyleSheet()->GetListStyle(i);
 595             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 596         }
 597
 598         OutputIndentation(stream, level);
 599         OutputString(stream, wxT("</stylesheet>"), convMem, convFile);
 600     }
 601
 602
 603     bool success = ExportXML(stream, convMem, convFile, *buffer, level);
 604
 605     OutputString(stream, wxT("\n</richtext>") , NULL, NULL);
 606     OutputString(stream, wxT("\n"), NULL, NULL);
 607
 608     if (deleteConvFile)
 609         delete convFile;
 610
 611     return success;
 612 }
 613
 614 /// Recursively export an object
 615 bool wxRichTextXMLHandler::ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextObject& obj, int indent)
 616 {
 617     wxString objectName;
 618     if (obj.IsKindOf(CLASSINFO(wxRichTextParagraphLayoutBox)))
 619         objectName = wxT("paragraphlayout");
 620     else if (obj.IsKindOf(CLASSINFO(wxRichTextParagraph)))
 621         objectName = wxT("paragraph");
 622     else if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
 623         objectName = wxT("text");
 624     else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
 625         objectName = wxT("image");
 626     else
 627         objectName = wxT("object");
 628
 629     bool terminateTag = true;
 630
 631     if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
 632     {
 633         wxRichTextPlainText& textObj = (wxRichTextPlainText&) obj;
 634
 635         wxString style = CreateStyle(obj.GetAttributes(), false);
 636
 637         int i;
 638         int last = 0;
 639         const wxString& text = textObj.GetText();
 640         int len = (int) text.Length();
 641         for (i = 0; i < len; i++)
 642         {
 643             int c = (int) text[i];
 644             if (c < 32 && c != 9 && c != 10 && c != 13)
 645             {
 646                 if (i > 0)
 647                 {
 648                     OutputIndentation(stream, indent);
 649                     OutputString(stream, wxT("<") + objectName, convMem, convFile);
 650
 651                     OutputString(stream, style + wxT(">"), convMem, convFile);
 652
 653                     wxString fragment(text.Mid(last, i-last));
 654                     if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
 655                     {
 656                         OutputString(stream, wxT("\""), convMem, convFile);
 657                         OutputStringEnt(stream, fragment, convMem, convFile);
 658                         OutputString(stream, wxT("\""), convMem, convFile);
 659                     }
 660                     else
 661                         OutputStringEnt(stream, fragment, convMem, convFile);
 662
 663                     OutputString(stream, wxT("</text>"), convMem, convFile);
 664                 }
 665
 666
 667                 // Output this character as a number in a separate tag, because XML can't cope
 668                 // with entities below 32 except for 9, 10 and 13
 669                 last = i + 1;
 670                 OutputIndentation(stream, indent);
 671                 OutputString(stream, wxT("<symbol"), convMem, convFile);
 672
 673                 OutputString(stream, style + wxT(">"), convMem, convFile);
 674                 OutputString(stream, wxString::Format(wxT("%d"), c), convMem, convFile);
 675
 676                 OutputString(stream, wxT("</symbol>"), convMem, convFile);
 677             }
 678         }
 679
 680         wxString fragment;
 681         if (last == 0)
 682             fragment = text;
 683         else
 684             fragment = text.Mid(last, i-last);
 685
 686         if (last < len)
 687         {
 688             OutputIndentation(stream, indent);
 689             OutputString(stream, wxT("<") + objectName, convMem, convFile);
 690
 691             OutputString(stream, style + wxT(">"), convMem, convFile);
 692
 693             if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
 694             {
 695                 OutputString(stream, wxT("\""), convMem, convFile);
 696                 OutputStringEnt(stream, fragment, convMem, convFile);
 697                 OutputString(stream, wxT("\""), convMem, convFile);
 698             }
 699             else
 700                 OutputStringEnt(stream, fragment, convMem, convFile);
 701         }
 702         else
 703             terminateTag = false;
 704     }
 705     else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
 706     {
 707         wxRichTextImage& imageObj = (wxRichTextImage&) obj;
 708
 709         if (imageObj.GetImage().Ok() && !imageObj.GetImageBlock().Ok())
 710             imageObj.MakeBlock();
 711
 712         OutputIndentation(stream, indent);
 713         OutputString(stream, wxT("<") + objectName, convMem, convFile);
 714         if (!imageObj.GetImageBlock().Ok())
 715         {
 716             // No data
 717             OutputString(stream, wxT(">"), convMem, convFile);
 718         }
 719         else
 720         {
 721             OutputString(stream, wxString::Format(wxT(" imagetype=\"%d\">"), (int) imageObj.GetImageBlock().GetImageType()));
 722         }
 723
 724         OutputIndentation(stream, indent+1);
 725         OutputString(stream, wxT("<data>"), convMem, convFile);
 726
 727         imageObj.GetImageBlock().WriteHex(stream);
 728
 729         OutputString(stream, wxT("</data>"), convMem, convFile);
 730     }
 731     else if (obj.IsKindOf(CLASSINFO(wxRichTextCompositeObject)))
 732     {
 733         OutputIndentation(stream, indent);
 734         OutputString(stream, wxT("<") + objectName, convMem, convFile);
 735
 736         bool isPara = false;
 737         if (objectName == wxT("paragraph") || objectName == wxT("paragraphlayout"))
 738             isPara = true;
 739
 740         wxString style = CreateStyle(obj.GetAttributes(), isPara);
 741
 742         if (objectName == wxT("paragraphlayout") && ((wxRichTextParagraphLayoutBox&) obj).GetPartialParagraph())
 743             style << wxT(" partialparagraph=\"true\"");
 744
 745         OutputString(stream, style + wxT(">"), convMem, convFile);
 746
 747         wxRichTextCompositeObject& composite = (wxRichTextCompositeObject&) obj;
 748         size_t i;
 749         for (i = 0; i < composite.GetChildCount(); i++)
 750         {
 751             wxRichTextObject* child = composite.GetChild(i);
 752             ExportXML(stream, convMem, convFile, *child, indent+1);
 753         }
 754     }
 755
 756     if (objectName != wxT("text"))
 757         OutputIndentation(stream, indent);
 758
 759     if (terminateTag)
 760         OutputString(stream, wxT("</") + objectName + wxT(">"), convMem, convFile);
 761
 762     return true;
 763 }
 764
 765 bool wxRichTextXMLHandler::ExportStyleDefinition(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextStyleDefinition* def, int level)
 766 {
 767     wxRichTextCharacterStyleDefinition* charDef = wxDynamicCast(def, wxRichTextCharacterStyleDefinition);
 768     wxRichTextParagraphStyleDefinition* paraDef = wxDynamicCast(def, wxRichTextParagraphStyleDefinition);
 769     wxRichTextListStyleDefinition* listDef = wxDynamicCast(def, wxRichTextListStyleDefinition);
 770
 771     wxString baseStyle = def->GetBaseStyle();
 772     wxString baseStyleProp;
 773     if (!baseStyle.IsEmpty())
 774         baseStyleProp = wxT(" basestyle=\"") + baseStyle + wxT("\"");
 775
 776     if (charDef)
 777     {
 778         OutputIndentation(stream, level);
 779         OutputString(stream, wxT("<characterstyle") + baseStyleProp + wxT(">"), convMem, convFile);
 780
 781         level ++;
 782
 783         wxString style = CreateStyle(def->GetStyle(), false);
 784
 785         OutputIndentation(stream, level);
 786         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 787
 788         OutputIndentation(stream, level);
 789         OutputString(stream, wxT("</style>"), convMem, convFile);
 790
 791         level --;
 792
 793         OutputIndentation(stream, level);
 794         OutputString(stream, wxT("</characterstyle>"), convMem, convFile);
 795     }
 796     else if (listDef)
 797     {
 798         OutputIndentation(stream, level);
 799
 800         if (!listDef->GetNextStyle().IsEmpty())
 801             baseStyleProp << wxT(" basestyle=\"") << listDef->GetNextStyle() << wxT("\"");
 802
 803         OutputString(stream, wxT("<liststyle") + baseStyleProp + wxT(">"), convMem, convFile);
 804
 805         level ++;
 806
 807         wxString style = CreateStyle(def->GetStyle(), false);
 808
 809         OutputIndentation(stream, level);
 810         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 811
 812         OutputIndentation(stream, level);
 813         OutputString(stream, wxT("</style>"), convMem, convFile);
 814
 815         int i;
 816         for (i = 0; i < 10; i ++)
 817         {
 818             wxRichTextAttr* levelAttr = listDef->GetLevelAttributes(i);
 819             if (levelAttr)
 820             {
 821                 wxString style = CreateStyle(def->GetStyle(), false);
 822                 wxString levelStr = wxString::Format(wxT(" level=\"%d\" "), (i+1));
 823
 824                 OutputIndentation(stream, level);
 825                 OutputString(stream, wxT("<style ") + levelStr + style + wxT(">"), convMem, convFile);
 826
 827                 OutputIndentation(stream, level);
 828                 OutputString(stream, wxT("</style>"), convMem, convFile);
 829             }
 830         }
 831
 832         level --;
 833
 834         OutputIndentation(stream, level);
 835         OutputString(stream, wxT("</liststyle>"), convMem, convFile);
 836     }
 837     else if (paraDef)
 838     {
 839         OutputIndentation(stream, level);
 840
 841         if (!listDef->GetNextStyle().IsEmpty())
 842             baseStyleProp << wxT(" basestyle=\"") << listDef->GetNextStyle() << wxT("\"");
 843
 844         OutputString(stream, wxT("<paragraphstyle") + baseStyleProp + wxT(">"), convMem, convFile);
 845
 846         level ++;
 847
 848         wxString style = CreateStyle(def->GetStyle(), false);
 849
 850         OutputIndentation(stream, level);
 851         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 852
 853         OutputIndentation(stream, level);
 854         OutputString(stream, wxT("</style>"), convMem, convFile);
 855
 856         level --;
 857
 858         OutputIndentation(stream, level);
 859         OutputString(stream, wxT("</paragraphstyle>"), convMem, convFile);
 860     }
 861
 862     return true;
 863 }
 864
 865 /// Create style parameters
 866 wxString wxRichTextXMLHandler::CreateStyle(const wxTextAttrEx& attr, bool isPara)
 867 {
 868     wxString str;
 869     if (attr.HasTextColour() && attr.GetTextColour().Ok())
 870     {
 871         str << wxT(" textcolor=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
 872     }
 873     if (attr.HasBackgroundColour() && attr.GetBackgroundColour().Ok())
 874     {
 875         str << wxT(" bgcolor=\"#") << ColourToHexString(attr.GetBackgroundColour()) << wxT("\"");
 876     }
 877
 878     if (attr.GetFont().Ok())
 879     {
 880         if (attr.HasSize())
 881             str << wxT(" fontsize=\"") << attr.GetFont().GetPointSize() << wxT("\"");
 882
 883         //if (attr.HasFamily())
 884         //    str << wxT(" fontfamily=\"") << attr.GetFont().GetFamily() << wxT("\"");
 885
 886         if (attr.HasItalic())
 887             str << wxT(" fontstyle=\"") << attr.GetFont().GetStyle() << wxT("\"");
 888
 889         if (attr.HasWeight())
 890             str << wxT(" fontweight=\"") << attr.GetFont().GetWeight() << wxT("\"");
 891
 892         if (attr.HasUnderlined())
 893             str << wxT(" fontunderlined=\"") << (int) attr.GetFont().GetUnderlined() << wxT("\"");
 894
 895         if (attr.HasFaceName())
 896             str << wxT(" fontface=\"") << attr.GetFont().GetFaceName() << wxT("\"");
 897     }
 898
 899     if (!attr.GetCharacterStyleName().empty())
 900         str << wxT(" characterstyle=\"") << wxString(attr.GetCharacterStyleName()) << wxT("\"");
 901
 902     if (isPara)
 903     {
 904         if (attr.HasAlignment())
 905             str << wxT(" alignment=\"") << (int) attr.GetAlignment() << wxT("\"");
 906
 907         if (attr.HasLeftIndent())
 908         {
 909             str << wxT(" leftindent=\"") << (int) attr.GetLeftIndent() << wxT("\"");
 910             str << wxT(" leftsubindent=\"") << (int) attr.GetLeftSubIndent() << wxT("\"");
 911         }
 912
 913         if (attr.HasRightIndent())
 914             str << wxT(" rightindent=\"") << (int) attr.GetRightIndent() << wxT("\"");
 915
 916         if (attr.HasParagraphSpacingAfter())
 917             str << wxT(" parspacingafter=\"") << (int) attr.GetParagraphSpacingAfter() << wxT("\"");
 918
 919         if (attr.HasParagraphSpacingBefore())
 920             str << wxT(" parspacingbefore=\"") << (int) attr.GetParagraphSpacingBefore() << wxT("\"");
 921
 922         if (attr.HasLineSpacing())
 923             str << wxT(" linespacing=\"") << (int) attr.GetLineSpacing() << wxT("\"");
 924
 925         if (attr.HasBulletStyle())
 926             str << wxT(" bulletstyle=\"") << (int) attr.GetBulletStyle() << wxT("\"");
 927
 928         if (attr.HasBulletNumber())
 929             str << wxT(" bulletnumber=\"") << (int) attr.GetBulletNumber() << wxT("\"");
 930
 931         if (attr.HasBulletText())
 932         {
 933             // If using a bullet symbol, convert to integer in case it's a non-XML-friendly character.
 934             // Otherwise, assume it's XML-friendly text such as outline numbering, e.g. 1.2.3.1
 935             if (!attr.GetBulletText().IsEmpty() && (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL))
 936                 str << wxT(" bulletsymbol=\"") << (int) (attr.GetBulletText()[0]) << wxT("\"");
 937             else
 938                 str << wxT(" bullettext=\"") << attr.GetBulletText() << wxT("\"");
 939
 940             str << wxT(" bulletfont=\"") << attr.GetBulletFont() << wxT("\"");
 941         }
 942
 943         if (attr.HasBulletName())
 944             str << wxT(" bulletname=\"") << attr.GetBulletName() << wxT("\"");
 945
 946         if (attr.HasURL())
 947             str << wxT(" url=\"") << attr.GetURL() << wxT("\"");
 948
 949         if (!attr.GetParagraphStyleName().empty())
 950             str << wxT(" parstyle=\"") << wxString(attr.GetParagraphStyleName()) << wxT("\"");
 951
 952         if (!attr.GetListStyleName().empty())
 953             str << wxT(" liststyle=\"") << wxString(attr.GetListStyleName()) << wxT("\"");
 954
 955         if (attr.HasTabs())
 956         {
 957             str << wxT(" tabs=\"");
 958             size_t i;
 959             for (i = 0; i < attr.GetTabs().GetCount(); i++)
 960             {
 961                 if (i > 0)
 962                     str << wxT(",");
 963                 str << attr.GetTabs()[i];
 964             }
 965             str << wxT("\"");
 966         }
 967     }
 968
 969     return str;
 970 }
 971
 972 /// Get style parameters
 973 bool wxRichTextXMLHandler::GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool isPara)
 974 {
 975     wxString fontFacename;
 976     int fontSize = 12;
 977     int fontFamily = wxDEFAULT;
 978     int fontWeight = wxNORMAL;
 979     int fontStyle = wxNORMAL;
 980     bool fontUnderlined = false;
 981
 982     int fontFlags = 0;
 983
 984     fontFacename = node->GetPropVal(wxT("fontface"), wxEmptyString);
 985     if (!fontFacename.IsEmpty())
 986         fontFlags |= wxTEXT_ATTR_FONT_FACE;
 987
 988     wxString value;
 989     //value = node->GetPropVal(wxT("fontfamily"), wxEmptyString);
 990     //if (!value.empty())
 991     //    fontFamily = wxAtoi(value);
 992
 993     value = node->GetPropVal(wxT("fontstyle"), wxEmptyString);
 994     if (!value.empty())
 995     {
 996         fontStyle = wxAtoi(value);
 997         fontFlags |= wxTEXT_ATTR_FONT_ITALIC;
 998     }
 999
1000     value = node->GetPropVal(wxT("fontsize"), wxEmptyString);
1001     if (!value.empty())
1002     {
1003         fontSize = wxAtoi(value);
1004         fontFlags |= wxTEXT_ATTR_FONT_SIZE;
1005     }
1006
1007     value = node->GetPropVal(wxT("fontweight"), wxEmptyString);
1008     if (!value.empty())
1009     {
1010         fontWeight = wxAtoi(value);
1011         fontFlags |= wxTEXT_ATTR_FONT_WEIGHT;
1012     }
1013
1014     value = node->GetPropVal(wxT("fontunderlined"), wxEmptyString);
1015     if (!value.empty())
1016     {
1017         fontUnderlined = wxAtoi(value) != 0;
1018         fontFlags |= wxTEXT_ATTR_FONT_UNDERLINE;
1019     }
1020
1021     attr.SetFlags(fontFlags);
1022
1023     if (attr.HasFlag(wxTEXT_ATTR_FONT))
1024         attr.SetFont(* wxTheFontList->FindOrCreateFont(fontSize, fontFamily, fontStyle, fontWeight, fontUnderlined, fontFacename));
1025
1026     // Restore correct font flags
1027     attr.SetFlags(fontFlags);
1028
1029     value = node->GetPropVal(wxT("textcolor"), wxEmptyString);
1030     if (!value.empty())
1031     {
1032         if (value[0] == wxT('#'))
1033             attr.SetTextColour(HexStringToColour(value.Mid(1)));
1034         else
1035             attr.SetTextColour(value);
1036     }
1037
1038     value = node->GetPropVal(wxT("backgroundcolor"), wxEmptyString);
1039     if (!value.empty())
1040     {
1041         if (value[0] == wxT('#'))
1042             attr.SetBackgroundColour(HexStringToColour(value.Mid(1)));
1043         else
1044             attr.SetBackgroundColour(value);
1045     }
1046
1047     value = node->GetPropVal(wxT("characterstyle"), wxEmptyString);
1048     if (!value.empty())
1049         attr.SetCharacterStyleName(value);
1050
1051     // Set paragraph attributes
1052     if (isPara)
1053     {
1054         value = node->GetPropVal(wxT("alignment"), wxEmptyString);
1055         if (!value.empty())
1056             attr.SetAlignment((wxTextAttrAlignment) wxAtoi(value));
1057
1058         int leftSubIndent = 0;
1059         int leftIndent = 0;
1060         bool hasLeftIndent = false;
1061
1062         value = node->GetPropVal(wxT("leftindent"), wxEmptyString);
1063         if (!value.empty())
1064         {
1065             leftIndent = wxAtoi(value);
1066             hasLeftIndent = true;
1067         }
1068
1069         value = node->GetPropVal(wxT("leftsubindent"), wxEmptyString);
1070         if (!value.empty())
1071         {
1072             leftSubIndent = wxAtoi(value);
1073             hasLeftIndent = true;
1074         }
1075
1076         if (hasLeftIndent)
1077             attr.SetLeftIndent(leftIndent, leftSubIndent);
1078
1079         value = node->GetPropVal(wxT("rightindent"), wxEmptyString);
1080         if (!value.empty())
1081             attr.SetRightIndent(wxAtoi(value));
1082
1083         value = node->GetPropVal(wxT("parspacingbefore"), wxEmptyString);
1084         if (!value.empty())
1085             attr.SetParagraphSpacingBefore(wxAtoi(value));
1086
1087         value = node->GetPropVal(wxT("parspacingafter"), wxEmptyString);
1088         if (!value.empty())
1089             attr.SetParagraphSpacingAfter(wxAtoi(value));
1090
1091         value = node->GetPropVal(wxT("linespacing"), wxEmptyString);
1092         if (!value.empty())
1093             attr.SetLineSpacing(wxAtoi(value));
1094
1095         value = node->GetPropVal(wxT("bulletstyle"), wxEmptyString);
1096         if (!value.empty())
1097             attr.SetBulletStyle(wxAtoi(value));
1098
1099         value = node->GetPropVal(wxT("bulletnumber"), wxEmptyString);
1100         if (!value.empty())
1101             attr.SetBulletNumber(wxAtoi(value));
1102
1103         value = node->GetPropVal(wxT("bulletsymbol"), wxEmptyString);
1104         if (!value.empty())
1105         {
1106             wxChar ch = wxAtoi(value);
1107             wxString s;
1108             s << ch;
1109             attr.SetBulletText(s);
1110         }
1111
1112         value = node->GetPropVal(wxT("bullettext"), wxEmptyString);
1113         if (!value.empty())
1114             attr.SetBulletText(value);
1115
1116         value = node->GetPropVal(wxT("bulletfont"), wxEmptyString);
1117         if (!value.empty())
1118             attr.SetBulletFont(value);
1119
1120         value = node->GetPropVal(wxT("bulletname"), wxEmptyString);
1121         if (!value.empty())
1122             attr.SetBulletName(value);
1123
1124         value = node->GetPropVal(wxT("url"), wxEmptyString);
1125         if (!value.empty())
1126             attr.SetURL(value);
1127
1128         value = node->GetPropVal(wxT("parstyle"), wxEmptyString);
1129         if (!value.empty())
1130             attr.SetParagraphStyleName(value);
1131
1132         value = node->GetPropVal(wxT("liststyle"), wxEmptyString);
1133         if (!value.empty())
1134             attr.SetListStyleName(value);
1135
1136         value = node->GetPropVal(wxT("tabs"), wxEmptyString);
1137         if (!value.empty())
1138         {
1139             wxArrayInt tabs;
1140             wxStringTokenizer tkz(value, wxT(","));
1141             while (tkz.HasMoreTokens())
1142             {
1143                 wxString token = tkz.GetNextToken();
1144                 tabs.Add(wxAtoi(token));
1145             }
1146             attr.SetTabs(tabs);
1147         }
1148     }
1149
1150     return true;
1151 }
1152
1153 #endif
1154     // wxUSE_STREAMS
1155
1156 #endif
1157     // wxUSE_RICHTEXT && wxUSE_XML
1158