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->GetAttribute(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->GetAttribute(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->GetAttribute(wxT("name"), wxEmptyString);
 221             wxString sheetDescription = node->GetAttribute(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->GetAttribute(wxT("name"), wxEmptyString);
 258     wxString baseStyleName = node->GetAttribute(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->GetAttribute(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->GetAttribute(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->GetAttribute(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 #if wxUSE_INTL
 548             fileEncoding = wxLocale::GetSystemEncodingName();
 549             // if !wxUSE_INTL, we fall back to UTF-8 or ISO-8859-1 below
 550 #endif
 551         }
 552         else
 553         {
 554             fileEncoding = m_encoding;
 555         }
 556
 557         // GetSystemEncodingName may not have returned a name
 558         if (fileEncoding.empty())
 559 #if wxUSE_UNICODE
 560             fileEncoding = wxT("UTF-8");
 561 #else
 562             fileEncoding = wxT("ISO-8859-1");
 563 #endif
 564         convFile = new wxCSConv(fileEncoding);
 565         deleteConvFile = true;
 566     }
 567
 568 #if !wxUSE_UNICODE
 569     wxMBConv* convMem = wxConvCurrent;
 570 #else
 571     wxMBConv* convMem = NULL;
 572 #endif
 573
 574     wxString s ;
 575     s.Printf(wxT("<?xml version=\"%s\" encoding=\"%s\"?>\n"),
 576              version, fileEncoding);
 577     OutputString(stream, s, NULL, NULL);
 578     OutputString(stream, wxT("<richtext version=\"1.0.0.0\" xmlns=\"http://www.wxwidgets.org\">") , NULL, NULL);
 579
 580     int level = 1;
 581
 582     if (buffer->GetStyleSheet() && (GetFlags() & wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET))
 583     {
 584         OutputIndentation(stream, level);
 585         wxString nameAndDescr;
 586         if (!buffer->GetStyleSheet()->GetName().IsEmpty())
 587             nameAndDescr << wxT(" name=\"") << buffer->GetStyleSheet()->GetName() << wxT("\"");
 588         if (!buffer->GetStyleSheet()->GetDescription().IsEmpty())
 589             nameAndDescr << wxT(" description=\"") << buffer->GetStyleSheet()->GetDescription() << wxT("\"");
 590         OutputString(stream, wxString(wxT("<stylesheet")) + nameAndDescr + wxT(">"), convMem, convFile);
 591
 592         int i;
 593
 594         for (i = 0; i < (int) buffer->GetStyleSheet()->GetCharacterStyleCount(); i++)
 595         {
 596             wxRichTextCharacterStyleDefinition* def = buffer->GetStyleSheet()->GetCharacterStyle(i);
 597             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 598         }
 599
 600         for (i = 0; i < (int) buffer->GetStyleSheet()->GetParagraphStyleCount(); i++)
 601         {
 602             wxRichTextParagraphStyleDefinition* def = buffer->GetStyleSheet()->GetParagraphStyle(i);
 603             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 604         }
 605
 606         for (i = 0; i < (int) buffer->GetStyleSheet()->GetListStyleCount(); i++)
 607         {
 608             wxRichTextListStyleDefinition* def = buffer->GetStyleSheet()->GetListStyle(i);
 609             ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
 610         }
 611
 612         OutputIndentation(stream, level);
 613         OutputString(stream, wxT("</stylesheet>"), convMem, convFile);
 614     }
 615
 616
 617     bool success = ExportXML(stream, convMem, convFile, *buffer, level);
 618
 619     OutputString(stream, wxT("\n</richtext>") , NULL, NULL);
 620     OutputString(stream, wxT("\n"), NULL, NULL);
 621
 622     if (deleteConvFile)
 623         delete convFile;
 624
 625     return success;
 626 }
 627
 628 /// Recursively export an object
 629 bool wxRichTextXMLHandler::ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextObject& obj, int indent)
 630 {
 631     wxString objectName;
 632     if (obj.IsKindOf(CLASSINFO(wxRichTextParagraphLayoutBox)))
 633         objectName = wxT("paragraphlayout");
 634     else if (obj.IsKindOf(CLASSINFO(wxRichTextParagraph)))
 635         objectName = wxT("paragraph");
 636     else if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
 637         objectName = wxT("text");
 638     else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
 639         objectName = wxT("image");
 640     else
 641         objectName = wxT("object");
 642
 643     bool terminateTag = true;
 644
 645     if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
 646     {
 647         wxRichTextPlainText& textObj = (wxRichTextPlainText&) obj;
 648
 649         wxString style = CreateStyle(obj.GetAttributes(), false);
 650
 651         int i;
 652         int last = 0;
 653         const wxString& text = textObj.GetText();
 654         int len = (int) text.Length();
 655         for (i = 0; i < len; i++)
 656         {
 657             int c = (int) text[i];
 658             if (c < 32 && c != 9 && c != 10 && c != 13)
 659             {
 660                 if (i > 0)
 661                 {
 662                     OutputIndentation(stream, indent);
 663                     OutputString(stream, wxT("<") + objectName, convMem, convFile);
 664
 665                     OutputString(stream, style + wxT(">"), convMem, convFile);
 666
 667                     wxString fragment(text.Mid(last, i-last));
 668                     if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
 669                     {
 670                         OutputString(stream, wxT("\""), convMem, convFile);
 671                         OutputStringEnt(stream, fragment, convMem, convFile);
 672                         OutputString(stream, wxT("\""), convMem, convFile);
 673                     }
 674                     else
 675                         OutputStringEnt(stream, fragment, convMem, convFile);
 676
 677                     OutputString(stream, wxT("</text>"), convMem, convFile);
 678                 }
 679
 680
 681                 // Output this character as a number in a separate tag, because XML can't cope
 682                 // with entities below 32 except for 9, 10 and 13
 683                 last = i + 1;
 684                 OutputIndentation(stream, indent);
 685                 OutputString(stream, wxT("<symbol"), convMem, convFile);
 686
 687                 OutputString(stream, style + wxT(">"), convMem, convFile);
 688                 OutputString(stream, wxString::Format(wxT("%d"), c), convMem, convFile);
 689
 690                 OutputString(stream, wxT("</symbol>"), convMem, convFile);
 691             }
 692         }
 693
 694         wxString fragment;
 695         if (last == 0)
 696             fragment = text;
 697         else
 698             fragment = text.Mid(last, i-last);
 699
 700         if (last < len)
 701         {
 702             OutputIndentation(stream, indent);
 703             OutputString(stream, wxT("<") + objectName, convMem, convFile);
 704
 705             OutputString(stream, style + wxT(">"), convMem, convFile);
 706
 707             if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
 708             {
 709                 OutputString(stream, wxT("\""), convMem, convFile);
 710                 OutputStringEnt(stream, fragment, convMem, convFile);
 711                 OutputString(stream, wxT("\""), convMem, convFile);
 712             }
 713             else
 714                 OutputStringEnt(stream, fragment, convMem, convFile);
 715         }
 716         else
 717             terminateTag = false;
 718     }
 719     else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
 720     {
 721         wxRichTextImage& imageObj = (wxRichTextImage&) obj;
 722
 723         if (imageObj.GetImage().Ok() && !imageObj.GetImageBlock().Ok())
 724             imageObj.MakeBlock();
 725
 726         OutputIndentation(stream, indent);
 727         OutputString(stream, wxT("<") + objectName, convMem, convFile);
 728         if (!imageObj.GetImageBlock().Ok())
 729         {
 730             // No data
 731             OutputString(stream, wxT(">"), convMem, convFile);
 732         }
 733         else
 734         {
 735             OutputString(stream, wxString::Format(wxT(" imagetype=\"%d\">"), (int) imageObj.GetImageBlock().GetImageType()));
 736         }
 737
 738         OutputIndentation(stream, indent+1);
 739         OutputString(stream, wxT("<data>"), convMem, convFile);
 740
 741         imageObj.GetImageBlock().WriteHex(stream);
 742
 743         OutputString(stream, wxT("</data>"), convMem, convFile);
 744     }
 745     else if (obj.IsKindOf(CLASSINFO(wxRichTextCompositeObject)))
 746     {
 747         OutputIndentation(stream, indent);
 748         OutputString(stream, wxT("<") + objectName, convMem, convFile);
 749
 750         bool isPara = false;
 751         if (objectName == wxT("paragraph") || objectName == wxT("paragraphlayout"))
 752             isPara = true;
 753
 754         wxString style = CreateStyle(obj.GetAttributes(), isPara);
 755
 756         if (objectName == wxT("paragraphlayout") && ((wxRichTextParagraphLayoutBox&) obj).GetPartialParagraph())
 757             style << wxT(" partialparagraph=\"true\"");
 758
 759         OutputString(stream, style + wxT(">"), convMem, convFile);
 760
 761         wxRichTextCompositeObject& composite = (wxRichTextCompositeObject&) obj;
 762         size_t i;
 763         for (i = 0; i < composite.GetChildCount(); i++)
 764         {
 765             wxRichTextObject* child = composite.GetChild(i);
 766             ExportXML(stream, convMem, convFile, *child, indent+1);
 767         }
 768     }
 769
 770     if (objectName != wxT("text"))
 771         OutputIndentation(stream, indent);
 772
 773     if (terminateTag)
 774         OutputString(stream, wxT("</") + objectName + wxT(">"), convMem, convFile);
 775
 776     return true;
 777 }
 778
 779 bool wxRichTextXMLHandler::ExportStyleDefinition(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextStyleDefinition* def, int level)
 780 {
 781     wxRichTextCharacterStyleDefinition* charDef = wxDynamicCast(def, wxRichTextCharacterStyleDefinition);
 782     wxRichTextParagraphStyleDefinition* paraDef = wxDynamicCast(def, wxRichTextParagraphStyleDefinition);
 783     wxRichTextListStyleDefinition* listDef = wxDynamicCast(def, wxRichTextListStyleDefinition);
 784
 785     wxString baseStyle = def->GetBaseStyle();
 786     wxString baseStyleProp;
 787     if (!baseStyle.IsEmpty())
 788         baseStyleProp = wxT(" basestyle=\"") + baseStyle + wxT("\"");
 789
 790     wxString descr = def->GetDescription();
 791     wxString descrProp;
 792     if (!descr.IsEmpty())
 793         descrProp = wxT(" description=\"") + descr + wxT("\"");
 794
 795     if (charDef)
 796     {
 797         OutputIndentation(stream, level);
 798         OutputString(stream, wxT("<characterstyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
 799
 800         level ++;
 801
 802         wxString style = CreateStyle(def->GetStyle(), false);
 803
 804         OutputIndentation(stream, level);
 805         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 806
 807         OutputIndentation(stream, level);
 808         OutputString(stream, wxT("</style>"), convMem, convFile);
 809
 810         level --;
 811
 812         OutputIndentation(stream, level);
 813         OutputString(stream, wxT("</characterstyle>"), convMem, convFile);
 814     }
 815     else if (listDef)
 816     {
 817         OutputIndentation(stream, level);
 818
 819         if (!listDef->GetNextStyle().IsEmpty())
 820             baseStyleProp << wxT(" basestyle=\"") << listDef->GetNextStyle() << wxT("\"");
 821
 822         OutputString(stream, wxT("<liststyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
 823
 824         level ++;
 825
 826         wxString style = CreateStyle(def->GetStyle(), false);
 827
 828         OutputIndentation(stream, level);
 829         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 830
 831         OutputIndentation(stream, level);
 832         OutputString(stream, wxT("</style>"), convMem, convFile);
 833
 834         int i;
 835         for (i = 0; i < 10; i ++)
 836         {
 837             wxRichTextAttr* levelAttr = listDef->GetLevelAttributes(i);
 838             if (levelAttr)
 839             {
 840                 wxString style = CreateStyle(def->GetStyle(), false);
 841                 wxString levelStr = wxString::Format(wxT(" level=\"%d\" "), (i+1));
 842
 843                 OutputIndentation(stream, level);
 844                 OutputString(stream, wxT("<style ") + levelStr + style + wxT(">"), convMem, convFile);
 845
 846                 OutputIndentation(stream, level);
 847                 OutputString(stream, wxT("</style>"), convMem, convFile);
 848             }
 849         }
 850
 851         level --;
 852
 853         OutputIndentation(stream, level);
 854         OutputString(stream, wxT("</liststyle>"), convMem, convFile);
 855     }
 856     else if (paraDef)
 857     {
 858         OutputIndentation(stream, level);
 859
 860         if (!paraDef->GetNextStyle().IsEmpty())
 861             baseStyleProp << wxT(" basestyle=\"") << paraDef->GetNextStyle() << wxT("\"");
 862
 863         OutputString(stream, wxT("<paragraphstyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
 864
 865         level ++;
 866
 867         wxString style = CreateStyle(def->GetStyle(), false);
 868
 869         OutputIndentation(stream, level);
 870         OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
 871
 872         OutputIndentation(stream, level);
 873         OutputString(stream, wxT("</style>"), convMem, convFile);
 874
 875         level --;
 876
 877         OutputIndentation(stream, level);
 878         OutputString(stream, wxT("</paragraphstyle>"), convMem, convFile);
 879     }
 880
 881     return true;
 882 }
 883
 884 /// Create style parameters
 885 wxString wxRichTextXMLHandler::CreateStyle(const wxTextAttrEx& attr, bool isPara)
 886 {
 887     wxString str;
 888     if (attr.HasTextColour() && attr.GetTextColour().Ok())
 889     {
 890         str << wxT(" textcolor=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
 891     }
 892     if (attr.HasBackgroundColour() && attr.GetBackgroundColour().Ok())
 893     {
 894         str << wxT(" bgcolor=\"#") << ColourToHexString(attr.GetBackgroundColour()) << wxT("\"");
 895     }
 896
 897     if (attr.GetFont().Ok())
 898     {
 899         if (attr.HasFontSize())
 900             str << wxT(" fontsize=\"") << attr.GetFont().GetPointSize() << wxT("\"");
 901
 902         //if (attr.HasFontFamily())
 903         //    str << wxT(" fontfamily=\"") << attr.GetFont().GetFamily() << wxT("\"");
 904
 905         if (attr.HasFontItalic())
 906             str << wxT(" fontstyle=\"") << attr.GetFont().GetStyle() << wxT("\"");
 907
 908         if (attr.HasFontWeight())
 909             str << wxT(" fontweight=\"") << attr.GetFont().GetWeight() << wxT("\"");
 910
 911         if (attr.HasFontUnderlined())
 912             str << wxT(" fontunderlined=\"") << (int) attr.GetFont().GetUnderlined() << wxT("\"");
 913
 914         if (attr.HasFontFaceName())
 915             str << wxT(" fontface=\"") << attr.GetFont().GetFaceName() << wxT("\"");
 916     }
 917
 918     if (attr.HasTextEffects())
 919     {
 920         str << wxT(" texteffects=\"");
 921         str << attr.GetTextEffects();
 922         str << wxT("\"");
 923
 924         str << wxT(" texteffectflags=\"");
 925         str << attr.GetTextEffectFlags();
 926         str << wxT("\"");
 927     }
 928
 929     if (!attr.GetCharacterStyleName().empty())
 930         str << wxT(" characterstyle=\"") << wxString(attr.GetCharacterStyleName()) << wxT("\"");
 931
 932     if (attr.HasURL())
 933         str << wxT(" url=\"") << attr.GetURL() << wxT("\"");
 934
 935     if (isPara)
 936     {
 937         if (attr.HasAlignment())
 938             str << wxT(" alignment=\"") << (int) attr.GetAlignment() << wxT("\"");
 939
 940         if (attr.HasLeftIndent())
 941         {
 942             str << wxT(" leftindent=\"") << (int) attr.GetLeftIndent() << wxT("\"");
 943             str << wxT(" leftsubindent=\"") << (int) attr.GetLeftSubIndent() << wxT("\"");
 944         }
 945
 946         if (attr.HasRightIndent())
 947             str << wxT(" rightindent=\"") << (int) attr.GetRightIndent() << wxT("\"");
 948
 949         if (attr.HasParagraphSpacingAfter())
 950             str << wxT(" parspacingafter=\"") << (int) attr.GetParagraphSpacingAfter() << wxT("\"");
 951
 952         if (attr.HasParagraphSpacingBefore())
 953             str << wxT(" parspacingbefore=\"") << (int) attr.GetParagraphSpacingBefore() << wxT("\"");
 954
 955         if (attr.HasLineSpacing())
 956             str << wxT(" linespacing=\"") << (int) attr.GetLineSpacing() << wxT("\"");
 957
 958         if (attr.HasBulletStyle())
 959             str << wxT(" bulletstyle=\"") << (int) attr.GetBulletStyle() << wxT("\"");
 960
 961         if (attr.HasBulletNumber())
 962             str << wxT(" bulletnumber=\"") << (int) attr.GetBulletNumber() << wxT("\"");
 963
 964         if (attr.HasBulletText())
 965         {
 966             // If using a bullet symbol, convert to integer in case it's a non-XML-friendly character.
 967             // Otherwise, assume it's XML-friendly text such as outline numbering, e.g. 1.2.3.1
 968             if (!attr.GetBulletText().IsEmpty() && (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL))
 969                 str << wxT(" bulletsymbol=\"") << (int) (attr.GetBulletText()[0]) << wxT("\"");
 970             else
 971                 str << wxT(" bullettext=\"") << attr.GetBulletText() << wxT("\"");
 972
 973             str << wxT(" bulletfont=\"") << attr.GetBulletFont() << wxT("\"");
 974         }
 975
 976         if (attr.HasBulletName())
 977             str << wxT(" bulletname=\"") << attr.GetBulletName() << wxT("\"");
 978
 979         if (!attr.GetParagraphStyleName().empty())
 980             str << wxT(" parstyle=\"") << wxString(attr.GetParagraphStyleName()) << wxT("\"");
 981
 982         if (!attr.GetListStyleName().empty())
 983             str << wxT(" liststyle=\"") << wxString(attr.GetListStyleName()) << wxT("\"");
 984
 985         if (attr.HasTabs())
 986         {
 987             str << wxT(" tabs=\"");
 988             size_t i;
 989             for (i = 0; i < attr.GetTabs().GetCount(); i++)
 990             {
 991                 if (i > 0)
 992                     str << wxT(",");
 993                 str << attr.GetTabs()[i];
 994             }
 995             str << wxT("\"");
 996         }
 997
 998         if (attr.HasPageBreak())
 999         {
1000             str << wxT(" pagebreak=\"1\"");
1001         }
1002
1003         if (attr.HasOutlineLevel())
1004             str << wxT(" outlinelevel=\"") << (int) attr.GetOutlineLevel() << wxT("\"");
1005
1006     }
1007
1008     return str;
1009 }
1010
1011 /// Get style parameters
1012 bool wxRichTextXMLHandler::GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool isPara)
1013 {
1014     wxString fontFacename;
1015     int fontSize = 12;
1016     int fontFamily = wxDEFAULT;
1017     int fontWeight = wxNORMAL;
1018     int fontStyle = wxNORMAL;
1019     bool fontUnderlined = false;
1020
1021     int fontFlags = 0;
1022
1023     fontFacename = node->GetAttribute(wxT("fontface"), wxEmptyString);
1024     if (!fontFacename.IsEmpty())
1025         fontFlags |= wxTEXT_ATTR_FONT_FACE;
1026
1027     wxString value;
1028     //value = node->GetAttribute(wxT("fontfamily"), wxEmptyString);
1029     //if (!value.empty())
1030     //    fontFamily = wxAtoi(value);
1031
1032     value = node->GetAttribute(wxT("fontstyle"), wxEmptyString);
1033     if (!value.empty())
1034     {
1035         fontStyle = wxAtoi(value);
1036         fontFlags |= wxTEXT_ATTR_FONT_ITALIC;
1037     }
1038
1039     value = node->GetAttribute(wxT("fontsize"), wxEmptyString);
1040     if (!value.empty())
1041     {
1042         fontSize = wxAtoi(value);
1043         fontFlags |= wxTEXT_ATTR_FONT_SIZE;
1044     }
1045
1046     value = node->GetAttribute(wxT("fontweight"), wxEmptyString);
1047     if (!value.empty())
1048     {
1049         fontWeight = wxAtoi(value);
1050         fontFlags |= wxTEXT_ATTR_FONT_WEIGHT;
1051     }
1052
1053     value = node->GetAttribute(wxT("fontunderlined"), wxEmptyString);
1054     if (!value.empty())
1055     {
1056         fontUnderlined = wxAtoi(value) != 0;
1057         fontFlags |= wxTEXT_ATTR_FONT_UNDERLINE;
1058     }
1059
1060     attr.SetFlags(fontFlags);
1061
1062     if (attr.HasFlag(wxTEXT_ATTR_FONT))
1063         attr.SetFont(* wxTheFontList->FindOrCreateFont(fontSize, fontFamily, fontStyle, fontWeight, fontUnderlined, fontFacename));
1064
1065     // Restore correct font flags
1066     attr.SetFlags(fontFlags);
1067
1068     value = node->GetAttribute(wxT("textcolor"), wxEmptyString);
1069     if (!value.empty())
1070     {
1071         if (value[0] == wxT('#'))
1072             attr.SetTextColour(HexStringToColour(value.Mid(1)));
1073         else
1074             attr.SetTextColour(value);
1075     }
1076
1077     value = node->GetAttribute(wxT("backgroundcolor"), wxEmptyString);
1078     if (!value.empty())
1079     {
1080         if (value[0] == wxT('#'))
1081             attr.SetBackgroundColour(HexStringToColour(value.Mid(1)));
1082         else
1083             attr.SetBackgroundColour(value);
1084     }
1085
1086     value = node->GetAttribute(wxT("characterstyle"), wxEmptyString);
1087     if (!value.empty())
1088         attr.SetCharacterStyleName(value);
1089
1090     value = node->GetAttribute(wxT("texteffects"), wxEmptyString);
1091     if (!value.IsEmpty())
1092     {
1093         attr.SetTextEffects(wxAtoi(value));
1094     }
1095
1096     value = node->GetAttribute(wxT("texteffectflags"), wxEmptyString);
1097     if (!value.IsEmpty())
1098     {
1099         attr.SetTextEffectFlags(wxAtoi(value));
1100     }
1101
1102     value = node->GetAttribute(wxT("url"), wxEmptyString);
1103     if (!value.empty())
1104         attr.SetURL(value);
1105
1106     // Set paragraph attributes
1107     if (isPara)
1108     {
1109         value = node->GetAttribute(wxT("alignment"), wxEmptyString);
1110         if (!value.empty())
1111             attr.SetAlignment((wxTextAttrAlignment) wxAtoi(value));
1112
1113         int leftSubIndent = 0;
1114         int leftIndent = 0;
1115         bool hasLeftIndent = false;
1116
1117         value = node->GetAttribute(wxT("leftindent"), wxEmptyString);
1118         if (!value.empty())
1119         {
1120             leftIndent = wxAtoi(value);
1121             hasLeftIndent = true;
1122         }
1123
1124         value = node->GetAttribute(wxT("leftsubindent"), wxEmptyString);
1125         if (!value.empty())
1126         {
1127             leftSubIndent = wxAtoi(value);
1128             hasLeftIndent = true;
1129         }
1130
1131         if (hasLeftIndent)
1132             attr.SetLeftIndent(leftIndent, leftSubIndent);
1133
1134         value = node->GetAttribute(wxT("rightindent"), wxEmptyString);
1135         if (!value.empty())
1136             attr.SetRightIndent(wxAtoi(value));
1137
1138         value = node->GetAttribute(wxT("parspacingbefore"), wxEmptyString);
1139         if (!value.empty())
1140             attr.SetParagraphSpacingBefore(wxAtoi(value));
1141
1142         value = node->GetAttribute(wxT("parspacingafter"), wxEmptyString);
1143         if (!value.empty())
1144             attr.SetParagraphSpacingAfter(wxAtoi(value));
1145
1146         value = node->GetAttribute(wxT("linespacing"), wxEmptyString);
1147         if (!value.empty())
1148             attr.SetLineSpacing(wxAtoi(value));
1149
1150         value = node->GetAttribute(wxT("bulletstyle"), wxEmptyString);
1151         if (!value.empty())
1152             attr.SetBulletStyle(wxAtoi(value));
1153
1154         value = node->GetAttribute(wxT("bulletnumber"), wxEmptyString);
1155         if (!value.empty())
1156             attr.SetBulletNumber(wxAtoi(value));
1157
1158         value = node->GetAttribute(wxT("bulletsymbol"), wxEmptyString);
1159         if (!value.empty())
1160         {
1161             wxChar ch = wxAtoi(value);
1162             wxString s;
1163             s << ch;
1164             attr.SetBulletText(s);
1165         }
1166
1167         value = node->GetAttribute(wxT("bullettext"), wxEmptyString);
1168         if (!value.empty())
1169             attr.SetBulletText(value);
1170
1171         value = node->GetAttribute(wxT("bulletfont"), wxEmptyString);
1172         if (!value.empty())
1173             attr.SetBulletFont(value);
1174
1175         value = node->GetAttribute(wxT("bulletname"), wxEmptyString);
1176         if (!value.empty())
1177             attr.SetBulletName(value);
1178
1179         value = node->GetAttribute(wxT("parstyle"), wxEmptyString);
1180         if (!value.empty())
1181             attr.SetParagraphStyleName(value);
1182
1183         value = node->GetAttribute(wxT("liststyle"), wxEmptyString);
1184         if (!value.empty())
1185             attr.SetListStyleName(value);
1186
1187         value = node->GetAttribute(wxT("tabs"), wxEmptyString);
1188         if (!value.empty())
1189         {
1190             wxArrayInt tabs;
1191             wxStringTokenizer tkz(value, wxT(","));
1192             while (tkz.HasMoreTokens())
1193             {
1194                 wxString token = tkz.GetNextToken();
1195                 tabs.Add(wxAtoi(token));
1196             }
1197             attr.SetTabs(tabs);
1198         }
1199
1200         value = node->GetAttribute(wxT("pagebreak"), wxEmptyString);
1201         if (!value.IsEmpty())
1202         {
1203             attr.SetPageBreak(wxAtoi(value) != 0);
1204         }
1205
1206         value = node->GetAttribute(wxT("outlinelevel"), wxEmptyString);
1207         if (!value.IsEmpty())
1208         {
1209             attr.SetOutlineLevel(wxAtoi(value) != 0);
1210         }
1211     }
1212
1213     return true;
1214 }
1215
1216 #endif
1217     // wxUSE_STREAMS
1218
1219 #endif
1220     // wxUSE_RICHTEXT && wxUSE_XML
1221