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->ResetAndClearCommands();
  45     buffer->Clear();
  46
  47     wxXmlDocument* xmlDoc = new wxXmlDocument;
  48     bool success = true;
  49
  50     // This is the encoding to convert to (memory encoding rather than file encoding)
  51     wxString encoding(wxT("UTF-8"));
  52
  53 #if !wxUSE_UNICODE && wxUSE_INTL
  54     encoding = wxLocale::GetSystemEncodingName();
  55 #endif
  56
  57     if (!xmlDoc->Load(stream, encoding))
  58     {
  59         buffer->ResetAndClearCommands();
  60         success = false;
  61     }
  62     else
  63     {
  64         if (xmlDoc->GetRoot() && xmlDoc->GetRoot()->GetType() == wxXML_ELEMENT_NODE && xmlDoc->GetRoot()->GetName() == wxT("richtext"))
  65         {
  66             wxXmlNode* child = xmlDoc->GetRoot()->GetChildren();
  67             while (child)
  68             {
  69                 if (child->GetType() == wxXML_ELEMENT_NODE)
  70                 {
  71                     wxString name = child->GetName();
  72                     if (name == wxT("richtext-version"))
  73                     {
  74                     }
  75                     else
  76                         ImportXML(buffer, child);
  77                 }
  78
  79                 child = child->GetNext();
  80             }
  81         }
  82         else
  83         {
  84             success = false;
  85         }
  86     }
  87
  88     delete xmlDoc;
  89
  90     buffer->UpdateRanges();
  91
  92     return success;
  93 }
  94
  95 /// Recursively import an object
  96 bool wxRichTextXMLHandler::ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node)
  97 {
  98     wxString name = node->GetName();
  99
 100     bool doneChildren = false;
 101
 102     if (name == wxT("paragraphlayout"))
 103     {
 104         wxString partial = node->GetPropVal(wxT("partialparagraph"), wxEmptyString);
 105         if (partial == wxT("true"))
 106             buffer->SetPartialParagraph(true);
 107     }
 108     else if (name == wxT("paragraph"))
 109     {
 110         wxRichTextParagraph* para = new wxRichTextParagraph(buffer);
 111         buffer->AppendChild(para);
 112
 113         GetStyle(para->GetAttributes(), node, true);
 114
 115         wxXmlNode* child = node->GetChildren();
 116         while (child)
 117         {
 118             wxString childName = child->GetName();
 119             if (childName == wxT("text"))
 120             {
 121                 wxString text;
 122                 wxXmlNode* textChild = child->GetChildren();
 123                 while (textChild)
 124                 {
 125                     if (textChild->GetType() == wxXML_TEXT_NODE ||
 126                         textChild->GetType() == wxXML_CDATA_SECTION_NODE)
 127                     {
 128                         wxString text2 = textChild->GetContent();
 129
 130                         // Strip whitespace from end
 131                         if (!text2.empty() && text2[text2.length()-1] == wxT('\n'))
 132                             text2 = text2.Mid(0, text2.length()-1);
 133
 134                         if (!text2.empty() && text2[0] == wxT('"'))
 135                             text2 = text2.Mid(1);
 136                         if (!text2.empty() && text2[text2.length()-1] == wxT('"'))
 137                             text2 = text2.Mid(0, text2.length() - 1);
 138
 139                         text += text2;
 140                     }
 141                     textChild = textChild->GetNext();
 142                 }
 143
 144                 wxRichTextPlainText* textObject = new wxRichTextPlainText(text, para);
 145                 GetStyle(textObject->GetAttributes(), child, false);
 146
 147                 para->AppendChild(textObject);
 148             }
 149             else if (childName == wxT("symbol"))
 150             {
 151                 // This is a symbol that XML can't read in the normal way
 152                 wxString text;
 153                 wxXmlNode* textChild = child->GetChildren();
 154                 while (textChild)
 155                 {
 156                     if (textChild->GetType() == wxXML_TEXT_NODE ||
 157                         textChild->GetType() == wxXML_CDATA_SECTION_NODE)
 158                     {
 159                         wxString text2 = textChild->GetContent();
 160                         text += text2;
 161                     }
 162                     textChild = textChild->GetNext();
 163                 }
 164
 165                 wxString actualText;
 166                 actualText << (wxChar) wxAtoi(text);
 167
 168                 wxRichTextPlainText* textObject = new wxRichTextPlainText(actualText, para);
 169                 GetStyle(textObject->GetAttributes(), child, false);
 170
 171                 para->AppendChild(textObject);
 172             }
 173             else if (childName == wxT("image"))
 174             {
 175                 int imageType = wxBITMAP_TYPE_PNG;
 176                 wxString value = node->GetPropVal(wxT("imagetype"), wxEmptyString);
 177                 if (!value.empty())
 178                     imageType = wxAtoi(value);
 179
 180                 wxString data;
 181
 182                 wxXmlNode* imageChild = child->GetChildren();
 183                 while (imageChild)
 184                 {
 185                     wxString childName = imageChild->GetName();
 186                     if (childName == wxT("data"))
 187                     {
 188                         wxXmlNode* dataChild = imageChild->GetChildren();
 189                         while (dataChild)
 190                         {
 191                             data = dataChild->GetContent();
 192                             // wxLogDebug(data);
 193                             dataChild = dataChild->GetNext();
 194                         }
 195
 196                     }
 197                     imageChild = imageChild->GetNext();
 198                 }
 199
 200                 if (!data.empty())
 201                 {
 202                     wxRichTextImage* imageObj = new wxRichTextImage(para);
 203                     para->AppendChild(imageObj);
 204
 205                     wxStringInputStream strStream(data);
 206
 207                     imageObj->GetImageBlock().ReadHex(strStream, data.length(), imageType);
 208                 }
 209             }
 210             child = child->GetNext();
 211         }
 212
 213         doneChildren = true;
 214     }
 215     else if (name == wxT("stylesheet"))
 216     {
 217         if (GetFlags() & wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET)
 218         {
 219             wxRichTextStyleSheet* sheet = new wxRichTextStyleSheet;
 220             wxString sheetName = node->GetPropVal(wxT("name"), wxEmptyString);
 221             wxString sheetDescription = node->GetPropVal(wxT("description"), wxEmptyString);
 222             sheet->SetName(sheetName);
 223             sheet->SetDescription(sheetDescription);
 224
 225             wxXmlNode* child = node->GetChildren();
 226             while (child)
 227             {
 228                 ImportStyleDefinition(sheet, child);
 229
 230                 child = child->GetNext();
 231             }
 232
 233             // Notify that styles have changed. If this is vetoed by the app,
 234             // the new sheet will be deleted. If it is not vetoed, the
 235             // old sheet will be deleted and replaced with the new one.
 236             buffer->SetStyleSheetAndNotify(sheet);
 237         }
 238         doneChildren = true;
 239     }
 240
 241     if (!doneChildren)
 242     {
 243         wxXmlNode* child = node->GetChildren();
 244         while (child)
 245         {
 246             ImportXML(buffer, child);
 247             child = child->GetNext();
 248         }
 249     }
 250
 251     return true;
 252 }
 253
 254 bool wxRichTextXMLHandler::ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node)
 255 {
 256     wxString styleType = node->GetName();
 257     wxString styleName = node->GetPropVal(wxT("name"), wxEmptyString);
 258     wxString baseStyleName = node->GetPropVal(wxT("basestyle"), wxEmptyString);
 259
 260     if (styleName.IsEmpty())
 261         return false;
 262
 263     if (styleType == wxT("characterstyle"))
 264     {
 265         wxRichTextCharacterStyleDefinition* def = new wxRichTextCharacterStyleDefinition(styleName);
 266         def->SetBaseStyle(baseStyleName);
 267
 268         wxXmlNode* child = node->GetChildren();
 269         while (child)
 270         {
 271             if (child->GetName() == wxT("style"))
 272             {
 273                 wxTextAttrEx attr;
 274                 GetStyle(attr, child, false);
 275                 def->SetStyle(attr);
 276             }
 277             child = child->GetNext();
 278         }
 279
 280         sheet->AddCharacterStyle(def);
 281     }
 282     else if (styleType == wxT("paragraphstyle"))
 283     {
 284         wxRichTextParagraphStyleDefinition* def = new wxRichTextParagraphStyleDefinition(styleName);
 285
 286         wxString nextStyleName = node->GetPropVal(wxT("nextstyle"), wxEmptyString);
 287         def->SetNextStyle(nextStyleName);
 288         def->SetBaseStyle(baseStyleName);
 289
 290         wxXmlNode* child = node->GetChildren();
 291         while (child)
 292         {
 293             if (child->GetName() == wxT("style"))
 294             {
 295                 wxTextAttrEx attr;
 296                 GetStyle(attr, child, false);
 297                 def->SetStyle(attr);
 298             }
 299             child = child->GetNext();
 300         }
 301
 302         sheet->AddParagraphStyle(def);
 303     }
 304     else if (styleType == wxT("liststyle"))
 305     {
 306         wxRichTextListStyleDefinition* def = new wxRichTextListStyleDefinition(styleName);
 307
 308         wxString nextStyleName = node->GetPropVal(wxT("nextstyle"), wxEmptyString);
 309         def->SetNextStyle(nextStyleName);
 310         def->SetBaseStyle(baseStyleName);
 311
 312         wxXmlNode* child = node->GetChildren();
 313         while (child)
 314         {
 315             if (child->GetName() == wxT("style"))
 316             {
 317                 wxTextAttrEx attr;
 318                 GetStyle(attr, child, false);
 319
 320                 wxString styleLevel = child->GetPropVal(wxT("level"), wxEmptyString);
 321                 if (styleLevel.IsEmpty())
 322                 {
 323                     def->SetStyle(attr);
 324                 }
 325                 else
 326                 {
 327                     int level = wxAtoi(styleLevel);
 328                     if (level > 0 && level <= 10)
 329                     {
 330                         def->SetLevelAttributes(level-1, attr);
 331                     }
 332                 }
 333             }
 334             child = child->GetNext();
 335         }
 336
 337         sheet->AddListStyle(def);
 338     }
 339
 340     return true;
 341 }
 342
 343 //-----------------------------------------------------------------------------
 344 //  xml support routines
 345 //-----------------------------------------------------------------------------
 346
 347 bool wxRichTextXMLHandler::HasParam(wxXmlNode* node, const wxString& param)
 348 {
 349     return (GetParamNode(node, param) != NULL);
 350 }
 351
 352 wxXmlNode *wxRichTextXMLHandler::GetParamNode(wxXmlNode* node, const wxString& param)
 353 {
 354     wxCHECK_MSG(node, NULL, wxT("You can't access node data before it was initialized!"));
 355
 356     wxXmlNode *n = node->GetChildren();
 357
 358     while (n)
 359     {
 360         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
 361             return n;
 362         n = n->GetNext();
 363     }
 364     return NULL;
 365 }
 366
 367
 368 wxString wxRichTextXMLHandler::GetNodeContent(wxXmlNode *node)
 369 {
 370     wxXmlNode *n = node;
 371     if (n == NULL) return wxEmptyString;
 372     n = n->GetChildren();
 373
 374     while (n)
 375     {
 376         if (n->GetType() == wxXML_TEXT_NODE ||
 377             n->GetType() == wxXML_CDATA_SECTION_NODE)
 378             return n->GetContent();
 379         n = n->GetNext();
 380     }
 381     return wxEmptyString;
 382 }
 383
 384
 385 wxString wxRichTextXMLHandler::GetParamValue(wxXmlNode *node, const wxString& param)
 386 {
 387     if (param.empty())
 388         return GetNodeContent(node);
 389     else
 390         return GetNodeContent(GetParamNode(node, param));
 391 }
 392
 393 wxString wxRichTextXMLHandler::GetText(wxXmlNode *node, const wxString& param, bool WXUNUSED(translate))
 394 {
 395     wxXmlNode *parNode = GetParamNode(node, param);
 396     if (!parNode)
 397         parNode = node;
 398     wxString str1(GetNodeContent(parNode));
 399     return str1;
 400 }
 401
 402 // For use with earlier versions of wxWidgets
 403 #ifndef WXUNUSED_IN_UNICODE
 404 #if wxUSE_UNICODE
 405 #define WXUNUSED_IN_UNICODE(x) WXUNUSED(x)
 406 #else
 407 #define WXUNUSED_IN_UNICODE(x) x
 408 #endif
 409 #endif
 410
 411 // write string to output:
 412 inline static void OutputString(wxOutputStream& stream, const wxString& str,
 413                                 wxMBConv *WXUNUSED_IN_UNICODE(convMem) = NULL, wxMBConv *convFile = NULL)
 414 {
 415     if (str.empty()) return;
 416 #if wxUSE_UNICODE
 417     if (convFile)
 418     {
 419         const wxWX2MBbuf buf(str.mb_str(*convFile));
 420         stream.Write((const char*)buf, strlen((const char*)buf));
 421     }
 422     else
 423     {
 424         const wxWX2MBbuf buf(str.mb_str(wxConvUTF8));
 425         stream.Write((const char*)buf, strlen((const char*)buf));
 426     }
 427 #else
 428     if ( convFile == NULL )
 429         stream.Write(str.mb_str(), str.Len());
 430     else
 431     {
 432         wxString str2(str.wc_str(*convMem), *convFile);
 433         stream.Write(str2.mb_str(), str2.Len());
 434     }
 435 #endif
 436 }
 437
 438 // Same as above, but create entities first.
 439 // Translates '<' to "&lt;", '>' to "&gt;" and '&' to "&amp;"
 440 static void OutputStringEnt(wxOutputStream& stream, const wxString& str,
 441                             wxMBConv *convMem = NULL, wxMBConv *convFile = NULL)
 442 {
 443     wxString buf;
 444     size_t i, last, len;
 445     wxChar c;
 446
 447     len = str.Len();
 448     last = 0;
 449     for (i = 0; i < len; i++)
 450     {
 451         c = str.GetChar(i);
 452
 453         // Original code excluded "&amp;" but we _do_ want to convert
 454         // the ampersand beginning &amp; because otherwise when read in,
 455         // the original "&amp;" becomes "&".
 456
 457         if (c == wxT('<') || c == wxT('>') || c == wxT('"') ||
 458             (c == wxT('&') /* && (str.Mid(i+1, 4) != wxT("amp;")) */ ))
 459         {
 460             OutputString(stream, str.Mid(last, i - last), convMem, convFile);
 461             switch (c)
 462             {
 463             case wxT('<'):
 464                 OutputString(stream, wxT("&lt;"), NULL, NULL);
 465                 break;
 466             case wxT('>'):
 467                 OutputString(stream, wxT("&gt;"), NULL, NULL);
 468                 break;
 469             case wxT('&'):
 470                 OutputString(stream, wxT("&amp;"), NULL, NULL);
 471                 break;
 472             case wxT('"'):
 473                 OutputString(stream, wxT("&quot;"), NULL, NULL);
 474                 break;
 475             default: break;
 476             }
 477             last = i + 1;
 478         }
 479         else if (wxUChar(c) > 127)
 480         {
 481             OutputString(stream, str.Mid(last, i - last), convMem, convFile);
 482
 483             wxString s(wxT("&#"));
 484             s << (int) c;
 485             s << wxT(";");
 486             OutputString(stream, s, NULL, NULL);
 487             last = i + 1;
 488         }
 489     }
 490     OutputString(stream, str.Mid(last, i - last), convMem, convFile);
 491 }
 492
 493 inline static void OutputIndentation(wxOutputStream& stream, int indent)
 494 {
 495     wxString str = wxT("\n");
 496     for (int i = 0; i < indent; i++)
 497         str << wxT(' ') << wxT(' ');
 498     OutputString(stream, str, NULL, NULL);
 499 }
 500
 501 // Convert a colour to a 6-digit hex string
 502 static wxString ColourToHexString(const wxColour& col)
 503 {
 504     wxString hex;
 505
 506     hex += wxDecToHex(col.Red());
 507     hex += wxDecToHex(col.Green());
 508     hex += wxDecToHex(col.Blue());
 509
 510     return hex;
 511 }
 512
 513 // Convert 6-digit hex string to a colour
 514 static wxColour HexStringToColour(const wxString& hex)
 515 {
 516     unsigned char r = (unsigned char)wxHexToDec(hex.Mid(0, 2));
 517     unsigned char g = (unsigned char)wxHexToDec(hex.Mid(2, 2));
 518     unsigned char b = (unsigned char)wxHexToDec(hex.Mid(4, 2));
 519
 520     return wxColour(r, g, b);
 521 }
 522
 523 bool wxRichTextXMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
 524 {
 525     if (!stream.IsOk())
 526         return false;
 527
 528     wxString version(wxT("1.0") ) ;
 529
 530     bool deleteConvFile = false;
 531     wxString fileEncoding;
 532     wxMBConv* convFile = NULL;
 533
 534 #if wxUSE_UNICODE
 535     fileEncoding = wxT("UTF-8");
 536     convFile = & wxConvUTF8;
 537 #else
 538     fileEncoding = wxT("ISO-8859-1");
 539     convFile = & wxConvISO8859_1;
 540 #endif
 541
 542     // If SetEncoding has been called, change the output encoding.
 543     if (!m_encoding.empty() && m_encoding.Lower() != fileEncoding.Lower())
 544     {
 545         if (m_encoding == wxT("<System>"))
 546         {
 547             fileEncoding = wxLocale::GetSystemEncodingName();
 548         }
 549         else
 550         {
 551             fileEncoding = m_encoding;
 552         }
 553
 554         // GetSystemEncodingName may not have returned a name
 555         if (fileEncoding.empty())
 556 #if wxUSE_UNICODE
 557             fileEncoding = wxT("UTF-8");
 558 #else
 559             fileEncoding = wxT("ISO-8859-1");
 560 #endif
 561         convFile = new wxCSConv(fileEncoding);
 562         deleteConvFile = true;
 563     }
 564
 565 #if !wxUSE_UNICODE
 566     wxMBConv* convMem = wxConvCurrent;
 567 #else
 568     wxMBConv* convMem = NULL;
 569 #endif
 570
 571     wxString s ;
 572     s.Printf(wxT("<?xml version=\"%s\" encoding=\"%s\"?>\n"),
 573         (const wxChar*) version, (const wxChar*) fileEncoding );
 574     OutputString(stream, s, NULL, NULL);
 575     OutputString(stream, wxT("<richtext version=\"1.0.0.0\" xmlns=\"http://www.wxwidgets.org\">") , NULL, NULL);
 576
 577     int level = 1;
 578
 579     if (buffer->GetStyleSheet() && (GetFlags() & wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET))
 580     {
 581         OutputIndentation(stream, level);
 582         wxString nameAndDescr;
 583         if (!buffer->GetStyleSheet()->GetName().IsEmpty())
 584             nameAndDescr << wxT(" name=\"") << buffer->GetStyleSheet()->GetName() << wxT("\"");
 585         if (!buffer->GetStyleSheet()->GetDescription().IsEmpty())
 586             nameAndDescr << wxT(" description=\"") << buffer->GetStyleSheet()->GetDescription() << wxT("\"");
 587         OutputString(stream, wxString(wxT("<stylesheet")) + nameAndDescr + wxT(">"), convMem, convFile);
 588
 589         int i;
 590
 591         for (i = 0; i < (int) buffer->GetStyleSheet()->GetCharacterStyleCount(); i++)
 592         {
 593             wxRichTextCharacterStyleDefinition* def = buffer->GetStyleSheet()->GetCharacterStyle(i);
 594             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 595         }
 596
 597         for (i = 0; i < (int) buffer->GetStyleSheet()->GetParagraphStyleCount(); i++)
 598         {
 599             wxRichTextParagraphStyleDefinition* def = buffer->GetStyleSheet()->GetParagraphStyle(i);
 600             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 601         }
 602
 603         for (i = 0; i < (int) buffer->GetStyleSheet()->GetListStyleCount(); i++)
 604         {
 605             wxRichTextListStyleDefinition* def = buffer->GetStyleSheet()->GetListStyle(i);
 606             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 607         }
 608
 609         OutputIndentation(stream, level);
 610         OutputString(stream, wxT("</stylesheet>"), convMem, convFile);
 611     }
 612
 613
 614     bool success = ExportXML(stream, convMem, convFile, *buffer, level);
 615
 616     OutputString(stream, wxT("\n</richtext>") , NULL, NULL);
 617     OutputString(stream, wxT("\n"), NULL, NULL);
 618
 619     if (deleteConvFile)
 620         delete convFile;
 621
 622     return success;
 623 }
 624
 625 /// Recursively export an object
 626 bool wxRichTextXMLHandler::ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextObject& obj, int indent)
 627 {
 628     wxString objectName;
 629     if (obj.IsKindOf(CLASSINFO(wxRichTextParagraphLayoutBox)))
 630         objectName = wxT("paragraphlayout");
 631     else if (obj.IsKindOf(CLASSINFO(wxRichTextParagraph)))
 632         objectName = wxT("paragraph");
 633     else if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
 634         objectName = wxT("text");
 635     else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
 636         objectName = wxT("image");
 637     else
 638         objectName = wxT("object");
 639
 640     bool terminateTag = true;
 641
 642     if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
 643     {
 644         wxRichTextPlainText& textObj = (wxRichTextPlainText&) obj;
 645
 646         wxString style = CreateStyle(obj.GetAttributes(), false);
 647
 648         int i;
 649         int last = 0;
 650         const wxString& text = textObj.GetText();
 651         int len = (int) text.Length();
 652         for (i = 0; i < len; i++)
 653         {
 654             int c = (int) text[i];
 655             if (c < 32 && c != 9 && c != 10 && c != 13)
 656             {
 657                 if (i > 0)
 658                 {
 659                     OutputIndentation(stream, indent);
 660                     OutputString(stream, wxT("<") + objectName, convMem, convFile);
 661
 662                     OutputString(stream, style + wxT(">"), convMem, convFile);
 663
 664                     wxString fragment(text.Mid(last, i-last));
 665                     if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
 666                     {
 667                         OutputString(stream, wxT("\""), convMem, convFile);
 668                         OutputStringEnt(stream, fragment, convMem, convFile);
 669                         OutputString(stream, wxT("\""), convMem, convFile);
 670                     }
 671                     else
 672                         OutputStringEnt(stream, fragment, convMem, convFile);
 673
 674                     OutputString(stream, wxT("</text>"), convMem, convFile);
 675                 }
 676
 677
 678                 // Output this character as a number in a separate tag, because XML can't cope
 679                 // with entities below 32 except for 9, 10 and 13
 680                 last = i + 1;
 681                 OutputIndentation(stream, indent);
 682                 OutputString(stream, wxT("<symbol"), convMem, convFile);
 683
 684                 OutputString(stream, style + wxT(">"), convMem, convFile);
 685                 OutputString(stream, wxString::Format(wxT("%d"), c), convMem, convFile);
 686
 687                 OutputString(stream, wxT("</symbol>"), convMem, convFile);
 688             }
 689         }
 690
 691         wxString fragment;
 692         if (last == 0)
 693             fragment = text;
 694         else
 695             fragment = text.Mid(last, i-last);
 696
 697         if (last < len)
 698         {
 699             OutputIndentation(stream, indent);
 700             OutputString(stream, wxT("<") + objectName, convMem, convFile);
 701
 702             OutputString(stream, style + wxT(">"), convMem, convFile);
 703
 704             if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
 705             {
 706                 OutputString(stream, wxT("\""), convMem, convFile);
 707                 OutputStringEnt(stream, fragment, convMem, convFile);
 708                 OutputString(stream, wxT("\""), convMem, convFile);
 709             }
 710             else
 711                 OutputStringEnt(stream, fragment, convMem, convFile);
 712         }
 713         else
 714             terminateTag = false;
 715     }
 716     else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
 717     {
 718         wxRichTextImage& imageObj = (wxRichTextImage&) obj;
 719
 720         if (imageObj.GetImage().Ok() && !imageObj.GetImageBlock().Ok())
 721             imageObj.MakeBlock();
 722
 723         OutputIndentation(stream, indent);
 724         OutputString(stream, wxT("<") + objectName, convMem, convFile);
 725         if (!imageObj.GetImageBlock().Ok())
 726         {
 727             // No data
 728             OutputString(stream, wxT(">"), convMem, convFile);
 729         }
 730         else
 731         {
 732             OutputString(stream, wxString::Format(wxT(" imagetype=\"%d\">"), (int) imageObj.GetImageBlock().GetImageType()));
 733         }
 734
 735         OutputIndentation(stream, indent+1);
 736         OutputString(stream, wxT("<data>"), convMem, convFile);
 737
 738         imageObj.GetImageBlock().WriteHex(stream);
 739
 740         OutputString(stream, wxT("</data>"), convMem, convFile);
 741     }
 742     else if (obj.IsKindOf(CLASSINFO(wxRichTextCompositeObject)))
 743     {
 744         OutputIndentation(stream, indent);
 745         OutputString(stream, wxT("<") + objectName, convMem, convFile);
 746
 747         bool isPara = false;
 748         if (objectName == wxT("paragraph") || objectName == wxT("paragraphlayout"))
 749             isPara = true;
 750
 751         wxString style = CreateStyle(obj.GetAttributes(), isPara);
 752
 753         if (objectName == wxT("paragraphlayout") && ((wxRichTextParagraphLayoutBox&) obj).GetPartialParagraph())
 754             style << wxT(" partialparagraph=\"true\"");
 755
 756         OutputString(stream, style + wxT(">"), convMem, convFile);
 757
 758         wxRichTextCompositeObject& composite = (wxRichTextCompositeObject&) obj;
 759         size_t i;
 760         for (i = 0; i < composite.GetChildCount(); i++)
 761         {
 762             wxRichTextObject* child = composite.GetChild(i);
 763             ExportXML(stream, convMem, convFile, *child, indent+1);
 764         }
 765     }
 766
 767     if (objectName != wxT("text"))
 768         OutputIndentation(stream, indent);
 769
 770     if (terminateTag)
 771         OutputString(stream, wxT("</") + objectName + wxT(">"), convMem, convFile);
 772
 773     return true;
 774 }
 775
 776 bool wxRichTextXMLHandler::ExportStyleDefinition(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextStyleDefinition* def, int level)
 777 {
 778     wxRichTextCharacterStyleDefinition* charDef = wxDynamicCast(def, wxRichTextCharacterStyleDefinition);
 779     wxRichTextParagraphStyleDefinition* paraDef = wxDynamicCast(def, wxRichTextParagraphStyleDefinition);
 780     wxRichTextListStyleDefinition* listDef = wxDynamicCast(def, wxRichTextListStyleDefinition);
 781
 782     wxString baseStyle = def->GetBaseStyle();
 783     wxString baseStyleProp;
 784     if (!baseStyle.IsEmpty())
 785         baseStyleProp = wxT(" basestyle=\"") + baseStyle + wxT("\"");
 786
 787     wxString descr = def->GetDescription();
 788     wxString descrProp;
 789     if (!descr.IsEmpty())
 790         descrProp = wxT(" description=\"") + descr + wxT("\"");
 791
 792     if (charDef)
 793     {
 794         OutputIndentation(stream, level);
 795         OutputString(stream, wxT("<characterstyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
 796
 797         level ++;
 798
 799         wxString style = CreateStyle(def->GetStyle(), false);
 800
 801         OutputIndentation(stream, level);
 802         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 803
 804         OutputIndentation(stream, level);
 805         OutputString(stream, wxT("</style>"), convMem, convFile);
 806
 807         level --;
 808
 809         OutputIndentation(stream, level);
 810         OutputString(stream, wxT("</characterstyle>"), convMem, convFile);
 811     }
 812     else if (listDef)
 813     {
 814         OutputIndentation(stream, level);
 815
 816         if (!listDef->GetNextStyle().IsEmpty())
 817             baseStyleProp << wxT(" basestyle=\"") << listDef->GetNextStyle() << wxT("\"");
 818
 819         OutputString(stream, wxT("<liststyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
 820
 821         level ++;
 822
 823         wxString style = CreateStyle(def->GetStyle(), false);
 824
 825         OutputIndentation(stream, level);
 826         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 827
 828         OutputIndentation(stream, level);
 829         OutputString(stream, wxT("</style>"), convMem, convFile);
 830
 831         int i;
 832         for (i = 0; i < 10; i ++)
 833         {
 834             wxRichTextAttr* levelAttr = listDef->GetLevelAttributes(i);
 835             if (levelAttr)
 836             {
 837                 wxString style = CreateStyle(def->GetStyle(), false);
 838                 wxString levelStr = wxString::Format(wxT(" level=\"%d\" "), (i+1));
 839
 840                 OutputIndentation(stream, level);
 841                 OutputString(stream, wxT("<style ") + levelStr + style + wxT(">"), convMem, convFile);
 842
 843                 OutputIndentation(stream, level);
 844                 OutputString(stream, wxT("</style>"), convMem, convFile);
 845             }
 846         }
 847
 848         level --;
 849
 850         OutputIndentation(stream, level);
 851         OutputString(stream, wxT("</liststyle>"), convMem, convFile);
 852     }
 853     else if (paraDef)
 854     {
 855         OutputIndentation(stream, level);
 856
 857         if (!listDef->GetNextStyle().IsEmpty())
 858             baseStyleProp << wxT(" basestyle=\"") << listDef->GetNextStyle() << wxT("\"");
 859
 860         OutputString(stream, wxT("<paragraphstyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
 861
 862         level ++;
 863
 864         wxString style = CreateStyle(def->GetStyle(), false);
 865
 866         OutputIndentation(stream, level);
 867         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 868
 869         OutputIndentation(stream, level);
 870         OutputString(stream, wxT("</style>"), convMem, convFile);
 871
 872         level --;
 873
 874         OutputIndentation(stream, level);
 875         OutputString(stream, wxT("</paragraphstyle>"), convMem, convFile);
 876     }
 877
 878     return true;
 879 }
 880
 881 /// Create style parameters
 882 wxString wxRichTextXMLHandler::CreateStyle(const wxTextAttrEx& attr, bool isPara)
 883 {
 884     wxString str;
 885     if (attr.HasTextColour() && attr.GetTextColour().Ok())
 886     {
 887         str << wxT(" textcolor=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
 888     }
 889     if (attr.HasBackgroundColour() && attr.GetBackgroundColour().Ok())
 890     {
 891         str << wxT(" bgcolor=\"#") << ColourToHexString(attr.GetBackgroundColour()) << wxT("\"");
 892     }
 893
 894     if (attr.GetFont().Ok())
 895     {
 896         if (attr.HasSize())
 897             str << wxT(" fontsize=\"") << attr.GetFont().GetPointSize() << wxT("\"");
 898
 899         //if (attr.HasFamily())
 900         //    str << wxT(" fontfamily=\"") << attr.GetFont().GetFamily() << wxT("\"");
 901
 902         if (attr.HasItalic())
 903             str << wxT(" fontstyle=\"") << attr.GetFont().GetStyle() << wxT("\"");
 904
 905         if (attr.HasWeight())
 906             str << wxT(" fontweight=\"") << attr.GetFont().GetWeight() << wxT("\"");
 907
 908         if (attr.HasUnderlined())
 909             str << wxT(" fontunderlined=\"") << (int) attr.GetFont().GetUnderlined() << wxT("\"");
 910
 911         if (attr.HasFaceName())
 912             str << wxT(" fontface=\"") << attr.GetFont().GetFaceName() << wxT("\"");
 913     }
 914
 915     if (attr.HasTextEffects())
 916     {
 917         str << wxT(" texteffects=\"");
 918         str << attr.GetTextEffects();
 919         str << wxT("\"");
 920
 921         str << wxT(" texteffectflags=\"");
 922         str << attr.GetTextEffectFlags();
 923         str << wxT("\"");
 924     }
 925
 926     if (!attr.GetCharacterStyleName().empty())
 927         str << wxT(" characterstyle=\"") << wxString(attr.GetCharacterStyleName()) << wxT("\"");
 928
 929     if (isPara)
 930     {
 931         if (attr.HasAlignment())
 932             str << wxT(" alignment=\"") << (int) attr.GetAlignment() << wxT("\"");
 933
 934         if (attr.HasLeftIndent())
 935         {
 936             str << wxT(" leftindent=\"") << (int) attr.GetLeftIndent() << wxT("\"");
 937             str << wxT(" leftsubindent=\"") << (int) attr.GetLeftSubIndent() << wxT("\"");
 938         }
 939
 940         if (attr.HasRightIndent())
 941             str << wxT(" rightindent=\"") << (int) attr.GetRightIndent() << wxT("\"");
 942
 943         if (attr.HasParagraphSpacingAfter())
 944             str << wxT(" parspacingafter=\"") << (int) attr.GetParagraphSpacingAfter() << wxT("\"");
 945
 946         if (attr.HasParagraphSpacingBefore())
 947             str << wxT(" parspacingbefore=\"") << (int) attr.GetParagraphSpacingBefore() << wxT("\"");
 948
 949         if (attr.HasLineSpacing())
 950             str << wxT(" linespacing=\"") << (int) attr.GetLineSpacing() << wxT("\"");
 951
 952         if (attr.HasBulletStyle())
 953             str << wxT(" bulletstyle=\"") << (int) attr.GetBulletStyle() << wxT("\"");
 954
 955         if (attr.HasBulletNumber())
 956             str << wxT(" bulletnumber=\"") << (int) attr.GetBulletNumber() << wxT("\"");
 957
 958         if (attr.HasBulletText())
 959         {
 960             // If using a bullet symbol, convert to integer in case it's a non-XML-friendly character.
 961             // Otherwise, assume it's XML-friendly text such as outline numbering, e.g. 1.2.3.1
 962             if (!attr.GetBulletText().IsEmpty() && (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL))
 963                 str << wxT(" bulletsymbol=\"") << (int) (attr.GetBulletText()[0]) << wxT("\"");
 964             else
 965                 str << wxT(" bullettext=\"") << attr.GetBulletText() << wxT("\"");
 966
 967             str << wxT(" bulletfont=\"") << attr.GetBulletFont() << wxT("\"");
 968         }
 969
 970         if (attr.HasBulletName())
 971             str << wxT(" bulletname=\"") << attr.GetBulletName() << wxT("\"");
 972
 973         if (attr.HasURL())
 974             str << wxT(" url=\"") << attr.GetURL() << wxT("\"");
 975
 976         if (!attr.GetParagraphStyleName().empty())
 977             str << wxT(" parstyle=\"") << wxString(attr.GetParagraphStyleName()) << wxT("\"");
 978
 979         if (!attr.GetListStyleName().empty())
 980             str << wxT(" liststyle=\"") << wxString(attr.GetListStyleName()) << wxT("\"");
 981
 982         if (attr.HasTabs())
 983         {
 984             str << wxT(" tabs=\"");
 985             size_t i;
 986             for (i = 0; i < attr.GetTabs().GetCount(); i++)
 987             {
 988                 if (i > 0)
 989                     str << wxT(",");
 990                 str << attr.GetTabs()[i];
 991             }
 992             str << wxT("\"");
 993         }
 994
 995         if (attr.HasPageBreak())
 996         {
 997             str << wxT(" pagebreak=\"1\"");
 998         }
 999
1000         if (attr.HasOutlineLevel())
1001             str << wxT(" outlinelevel=\"") << (int) attr.GetOutlineLevel() << wxT("\"");
1002
1003     }
1004
1005     return str;
1006 }
1007
1008 /// Get style parameters
1009 bool wxRichTextXMLHandler::GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool isPara)
1010 {
1011     wxString fontFacename;
1012     int fontSize = 12;
1013     int fontFamily = wxDEFAULT;
1014     int fontWeight = wxNORMAL;
1015     int fontStyle = wxNORMAL;
1016     bool fontUnderlined = false;
1017
1018     int fontFlags = 0;
1019
1020     fontFacename = node->GetPropVal(wxT("fontface"), wxEmptyString);
1021     if (!fontFacename.IsEmpty())
1022         fontFlags |= wxTEXT_ATTR_FONT_FACE;
1023
1024     wxString value;
1025     //value = node->GetPropVal(wxT("fontfamily"), wxEmptyString);
1026     //if (!value.empty())
1027     //    fontFamily = wxAtoi(value);
1028
1029     value = node->GetPropVal(wxT("fontstyle"), wxEmptyString);
1030     if (!value.empty())
1031     {
1032         fontStyle = wxAtoi(value);
1033         fontFlags |= wxTEXT_ATTR_FONT_ITALIC;
1034     }
1035
1036     value = node->GetPropVal(wxT("fontsize"), wxEmptyString);
1037     if (!value.empty())
1038     {
1039         fontSize = wxAtoi(value);
1040         fontFlags |= wxTEXT_ATTR_FONT_SIZE;
1041     }
1042
1043     value = node->GetPropVal(wxT("fontweight"), wxEmptyString);
1044     if (!value.empty())
1045     {
1046         fontWeight = wxAtoi(value);
1047         fontFlags |= wxTEXT_ATTR_FONT_WEIGHT;
1048     }
1049
1050     value = node->GetPropVal(wxT("fontunderlined"), wxEmptyString);
1051     if (!value.empty())
1052     {
1053         fontUnderlined = wxAtoi(value) != 0;
1054         fontFlags |= wxTEXT_ATTR_FONT_UNDERLINE;
1055     }
1056
1057     attr.SetFlags(fontFlags);
1058
1059     if (attr.HasFlag(wxTEXT_ATTR_FONT))
1060         attr.SetFont(* wxTheFontList->FindOrCreateFont(fontSize, fontFamily, fontStyle, fontWeight, fontUnderlined, fontFacename));
1061
1062     // Restore correct font flags
1063     attr.SetFlags(fontFlags);
1064
1065     value = node->GetPropVal(wxT("textcolor"), wxEmptyString);
1066     if (!value.empty())
1067     {
1068         if (value[0] == wxT('#'))
1069             attr.SetTextColour(HexStringToColour(value.Mid(1)));
1070         else
1071             attr.SetTextColour(value);
1072     }
1073
1074     value = node->GetPropVal(wxT("backgroundcolor"), wxEmptyString);
1075     if (!value.empty())
1076     {
1077         if (value[0] == wxT('#'))
1078             attr.SetBackgroundColour(HexStringToColour(value.Mid(1)));
1079         else
1080             attr.SetBackgroundColour(value);
1081     }
1082
1083     value = node->GetPropVal(wxT("characterstyle"), wxEmptyString);
1084     if (!value.empty())
1085         attr.SetCharacterStyleName(value);
1086
1087     value = node->GetPropVal(wxT("texteffects"), wxEmptyString);
1088     if (!value.IsEmpty())
1089     {
1090         attr.SetTextEffects(wxAtoi(value));
1091     }
1092
1093     value = node->GetPropVal(wxT("texteffectflags"), wxEmptyString);
1094     if (!value.IsEmpty())
1095     {
1096         attr.SetTextEffectFlags(wxAtoi(value));
1097     }
1098
1099     // Set paragraph attributes
1100     if (isPara)
1101     {
1102         value = node->GetPropVal(wxT("alignment"), wxEmptyString);
1103         if (!value.empty())
1104             attr.SetAlignment((wxTextAttrAlignment) wxAtoi(value));
1105
1106         int leftSubIndent = 0;
1107         int leftIndent = 0;
1108         bool hasLeftIndent = false;
1109
1110         value = node->GetPropVal(wxT("leftindent"), wxEmptyString);
1111         if (!value.empty())
1112         {
1113             leftIndent = wxAtoi(value);
1114             hasLeftIndent = true;
1115         }
1116
1117         value = node->GetPropVal(wxT("leftsubindent"), wxEmptyString);
1118         if (!value.empty())
1119         {
1120             leftSubIndent = wxAtoi(value);
1121             hasLeftIndent = true;
1122         }
1123
1124         if (hasLeftIndent)
1125             attr.SetLeftIndent(leftIndent, leftSubIndent);
1126
1127         value = node->GetPropVal(wxT("rightindent"), wxEmptyString);
1128         if (!value.empty())
1129             attr.SetRightIndent(wxAtoi(value));
1130
1131         value = node->GetPropVal(wxT("parspacingbefore"), wxEmptyString);
1132         if (!value.empty())
1133             attr.SetParagraphSpacingBefore(wxAtoi(value));
1134
1135         value = node->GetPropVal(wxT("parspacingafter"), wxEmptyString);
1136         if (!value.empty())
1137             attr.SetParagraphSpacingAfter(wxAtoi(value));
1138
1139         value = node->GetPropVal(wxT("linespacing"), wxEmptyString);
1140         if (!value.empty())
1141             attr.SetLineSpacing(wxAtoi(value));
1142
1143         value = node->GetPropVal(wxT("bulletstyle"), wxEmptyString);
1144         if (!value.empty())
1145             attr.SetBulletStyle(wxAtoi(value));
1146
1147         value = node->GetPropVal(wxT("bulletnumber"), wxEmptyString);
1148         if (!value.empty())
1149             attr.SetBulletNumber(wxAtoi(value));
1150
1151         value = node->GetPropVal(wxT("bulletsymbol"), wxEmptyString);
1152         if (!value.empty())
1153         {
1154             wxChar ch = wxAtoi(value);
1155             wxString s;
1156             s << ch;
1157             attr.SetBulletText(s);
1158         }
1159
1160         value = node->GetPropVal(wxT("bullettext"), wxEmptyString);
1161         if (!value.empty())
1162             attr.SetBulletText(value);
1163
1164         value = node->GetPropVal(wxT("bulletfont"), wxEmptyString);
1165         if (!value.empty())
1166             attr.SetBulletFont(value);
1167
1168         value = node->GetPropVal(wxT("bulletname"), wxEmptyString);
1169         if (!value.empty())
1170             attr.SetBulletName(value);
1171
1172         value = node->GetPropVal(wxT("url"), wxEmptyString);
1173         if (!value.empty())
1174             attr.SetURL(value);
1175
1176         value = node->GetPropVal(wxT("parstyle"), wxEmptyString);
1177         if (!value.empty())
1178             attr.SetParagraphStyleName(value);
1179
1180         value = node->GetPropVal(wxT("liststyle"), wxEmptyString);
1181         if (!value.empty())
1182             attr.SetListStyleName(value);
1183
1184         value = node->GetPropVal(wxT("tabs"), wxEmptyString);
1185         if (!value.empty())
1186         {
1187             wxArrayInt tabs;
1188             wxStringTokenizer tkz(value, wxT(","));
1189             while (tkz.HasMoreTokens())
1190             {
1191                 wxString token = tkz.GetNextToken();
1192                 tabs.Add(wxAtoi(token));
1193             }
1194             attr.SetTabs(tabs);
1195         }
1196
1197         value = node->GetPropVal(wxT("pagebreak"), wxEmptyString);
1198         if (!value.IsEmpty())
1199         {
1200             attr.SetPageBreak(wxAtoi(value) != 0);
1201         }
1202
1203         value = node->GetPropVal(wxT("outlinelevel"), wxEmptyString);
1204         if (!value.IsEmpty())
1205         {
1206             attr.SetOutlineLevel(wxAtoi(value) != 0);
1207         }
1208     }
1209
1210     return true;
1211 }
1212
1213 #endif
1214     // wxUSE_STREAMS
1215
1216 #endif
1217     // wxUSE_RICHTEXT && wxUSE_XML
1218