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GetStyleMergedWithBase no longer hangs if there's a loop implied by based-on styles.
[wxWidgets.git] / 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 #include "wx/log.h"
27 #endif
28
29 #include "wx/filename.h"
30 #include "wx/clipbrd.h"
31 #include "wx/wfstream.h"
32 #include "wx/sstream.h"
33 #include "wx/txtstrm.h"
34 #include "wx/tokenzr.h"
35 #include "wx/xml/xml.h"
36
37 IMPLEMENT_DYNAMIC_CLASS(wxRichTextXMLHandler, wxRichTextFileHandler)
38
39 #if wxUSE_STREAMS
40 bool wxRichTextXMLHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream)
41 {
42 if (!stream.IsOk())
43 return false;
44
45 buffer->ResetAndClearCommands();
46 buffer->Clear();
47
48 wxXmlDocument* xmlDoc = new wxXmlDocument;
49 bool success = true;
50
51 // This is the encoding to convert to (memory encoding rather than file encoding)
52 wxString encoding(wxT("UTF-8"));
53
54 #if !wxUSE_UNICODE && wxUSE_INTL
55 encoding = wxLocale::GetSystemEncodingName();
56 #endif
57
58 if (!xmlDoc->Load(stream, encoding))
59 {
60 buffer->ResetAndClearCommands();
61 success = false;
62 }
63 else
64 {
65 if (xmlDoc->GetRoot() && xmlDoc->GetRoot()->GetType() == wxXML_ELEMENT_NODE && xmlDoc->GetRoot()->GetName() == wxT("richtext"))
66 {
67 wxXmlNode* child = xmlDoc->GetRoot()->GetChildren();
68 while (child)
69 {
70 if (child->GetType() == wxXML_ELEMENT_NODE)
71 {
72 wxString name = child->GetName();
73 if (name == wxT("richtext-version"))
74 {
75 }
76 else
77 ImportXML(buffer, child);
78 }
79
80 child = child->GetNext();
81 }
82 }
83 else
84 {
85 success = false;
86 }
87 }
88
89 delete xmlDoc;
90
91 buffer->UpdateRanges();
92
93 return success;
94 }
95
96 /// Recursively import an object
97 bool wxRichTextXMLHandler::ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node)
98 {
99 wxString name = node->GetName();
100
101 bool doneChildren = false;
102
103 if (name == wxT("paragraphlayout"))
104 {
105 wxString partial = node->GetAttribute(wxT("partialparagraph"), wxEmptyString);
106 if (partial == wxT("true"))
107 buffer->SetPartialParagraph(true);
108 }
109 else if (name == wxT("paragraph"))
110 {
111 wxRichTextParagraph* para = new wxRichTextParagraph(buffer);
112 buffer->AppendChild(para);
113
114 GetStyle(para->GetAttributes(), node, true);
115
116 wxXmlNode* child = node->GetChildren();
117 while (child)
118 {
119 wxString childName = child->GetName();
120 if (childName == wxT("text"))
121 {
122 wxString text;
123 wxXmlNode* textChild = child->GetChildren();
124 while (textChild)
125 {
126 if (textChild->GetType() == wxXML_TEXT_NODE ||
127 textChild->GetType() == wxXML_CDATA_SECTION_NODE)
128 {
129 wxString text2 = textChild->GetContent();
130
131 // Strip whitespace from end
132 if (!text2.empty() && text2[text2.length()-1] == wxT('\n'))
133 text2 = text2.Mid(0, text2.length()-1);
134
135 if (!text2.empty() && text2[0] == wxT('"'))
136 text2 = text2.Mid(1);
137 if (!text2.empty() && text2[text2.length()-1] == wxT('"'))
138 text2 = text2.Mid(0, text2.length() - 1);
139
140 text += text2;
141 }
142 textChild = textChild->GetNext();
143 }
144
145 wxRichTextPlainText* textObject = new wxRichTextPlainText(text, para);
146 GetStyle(textObject->GetAttributes(), child, false);
147
148 para->AppendChild(textObject);
149 }
150 else if (childName == wxT("symbol"))
151 {
152 // This is a symbol that XML can't read in the normal way
153 wxString text;
154 wxXmlNode* textChild = child->GetChildren();
155 while (textChild)
156 {
157 if (textChild->GetType() == wxXML_TEXT_NODE ||
158 textChild->GetType() == wxXML_CDATA_SECTION_NODE)
159 {
160 wxString text2 = textChild->GetContent();
161 text += text2;
162 }
163 textChild = textChild->GetNext();
164 }
165
166 wxString actualText;
167 actualText << (wxChar) wxAtoi(text);
168
169 wxRichTextPlainText* textObject = new wxRichTextPlainText(actualText, para);
170 GetStyle(textObject->GetAttributes(), child, false);
171
172 para->AppendChild(textObject);
173 }
174 else if (childName == wxT("image"))
175 {
176 wxBitmapType imageType = wxBITMAP_TYPE_PNG;
177 wxString value = child->GetAttribute(wxT("imagetype"), wxEmptyString);
178 if (!value.empty())
179 {
180 int type = wxAtoi(value);
181
182 // note: 0 == wxBITMAP_TYPE_INVALID
183 if (type <= 0 || type >= wxBITMAP_TYPE_MAX)
184 {
185 wxLogWarning("Invalid bitmap type specified for <image> tag: %d", type);
186 }
187 else
188 {
189 imageType = (wxBitmapType)type;
190 }
191 }
192
193 wxString data;
194
195 wxXmlNode* imageChild = child->GetChildren();
196 while (imageChild)
197 {
198 wxString childName = imageChild->GetName();
199 if (childName == wxT("data"))
200 {
201 wxXmlNode* dataChild = imageChild->GetChildren();
202 while (dataChild)
203 {
204 data = dataChild->GetContent();
205 // wxLogDebug(data);
206 dataChild = dataChild->GetNext();
207 }
208
209 }
210 imageChild = imageChild->GetNext();
211 }
212
213 if (!data.empty())
214 {
215 wxRichTextImage* imageObj = new wxRichTextImage(para);
216 GetStyle(imageObj->GetAttributes(), child, false);
217 para->AppendChild(imageObj);
218
219 wxStringInputStream strStream(data);
220
221 imageObj->GetImageBlock().ReadHex(strStream, data.length(), imageType);
222 }
223 }
224 child = child->GetNext();
225 }
226
227 doneChildren = true;
228 }
229 else if (name == wxT("stylesheet"))
230 {
231 if (GetFlags() & wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET)
232 {
233 wxRichTextStyleSheet* sheet = new wxRichTextStyleSheet;
234 wxString sheetName = node->GetAttribute(wxT("name"), wxEmptyString);
235 wxString sheetDescription = node->GetAttribute(wxT("description"), wxEmptyString);
236 sheet->SetName(sheetName);
237 sheet->SetDescription(sheetDescription);
238
239 wxXmlNode* child = node->GetChildren();
240 while (child)
241 {
242 ImportStyleDefinition(sheet, child);
243
244 child = child->GetNext();
245 }
246
247 // Notify that styles have changed. If this is vetoed by the app,
248 // the new sheet will be deleted. If it is not vetoed, the
249 // old sheet will be deleted and replaced with the new one.
250 buffer->SetStyleSheetAndNotify(sheet);
251 }
252 doneChildren = true;
253 }
254
255 if (!doneChildren)
256 {
257 wxXmlNode* child = node->GetChildren();
258 while (child)
259 {
260 ImportXML(buffer, child);
261 child = child->GetNext();
262 }
263 }
264
265 return true;
266 }
267
268 bool wxRichTextXMLHandler::ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node)
269 {
270 wxString styleType = node->GetName();
271 wxString styleName = node->GetAttribute(wxT("name"), wxEmptyString);
272 wxString baseStyleName = node->GetAttribute(wxT("basestyle"), wxEmptyString);
273
274 if (styleName.IsEmpty())
275 return false;
276
277 if (styleType == wxT("characterstyle"))
278 {
279 wxRichTextCharacterStyleDefinition* def = new wxRichTextCharacterStyleDefinition(styleName);
280 def->SetBaseStyle(baseStyleName);
281
282 wxXmlNode* child = node->GetChildren();
283 while (child)
284 {
285 if (child->GetName() == wxT("style"))
286 {
287 wxTextAttr attr;
288 GetStyle(attr, child, false);
289 def->SetStyle(attr);
290 }
291 child = child->GetNext();
292 }
293
294 sheet->AddCharacterStyle(def);
295 }
296 else if (styleType == wxT("paragraphstyle"))
297 {
298 wxRichTextParagraphStyleDefinition* def = new wxRichTextParagraphStyleDefinition(styleName);
299
300 wxString nextStyleName = node->GetAttribute(wxT("nextstyle"), wxEmptyString);
301 def->SetNextStyle(nextStyleName);
302 def->SetBaseStyle(baseStyleName);
303
304 wxXmlNode* child = node->GetChildren();
305 while (child)
306 {
307 if (child->GetName() == wxT("style"))
308 {
309 wxTextAttr attr;
310 GetStyle(attr, child, false);
311 def->SetStyle(attr);
312 }
313 child = child->GetNext();
314 }
315
316 sheet->AddParagraphStyle(def);
317 }
318 else if (styleType == wxT("liststyle"))
319 {
320 wxRichTextListStyleDefinition* def = new wxRichTextListStyleDefinition(styleName);
321
322 wxString nextStyleName = node->GetAttribute(wxT("nextstyle"), wxEmptyString);
323 def->SetNextStyle(nextStyleName);
324 def->SetBaseStyle(baseStyleName);
325
326 wxXmlNode* child = node->GetChildren();
327 while (child)
328 {
329 if (child->GetName() == wxT("style"))
330 {
331 wxTextAttr attr;
332 GetStyle(attr, child, false);
333
334 wxString styleLevel = child->GetAttribute(wxT("level"), wxEmptyString);
335 if (styleLevel.IsEmpty())
336 {
337 def->SetStyle(attr);
338 }
339 else
340 {
341 int level = wxAtoi(styleLevel);
342 if (level > 0 && level <= 10)
343 {
344 def->SetLevelAttributes(level-1, attr);
345 }
346 }
347 }
348 child = child->GetNext();
349 }
350
351 sheet->AddListStyle(def);
352 }
353
354 return true;
355 }
356
357 //-----------------------------------------------------------------------------
358 // xml support routines
359 //-----------------------------------------------------------------------------
360
361 bool wxRichTextXMLHandler::HasParam(wxXmlNode* node, const wxString& param)
362 {
363 return (GetParamNode(node, param) != NULL);
364 }
365
366 wxXmlNode *wxRichTextXMLHandler::GetParamNode(wxXmlNode* node, const wxString& param)
367 {
368 wxCHECK_MSG(node, NULL, wxT("You can't access node data before it was initialized!"));
369
370 wxXmlNode *n = node->GetChildren();
371
372 while (n)
373 {
374 if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
375 return n;
376 n = n->GetNext();
377 }
378 return NULL;
379 }
380
381
382 wxString wxRichTextXMLHandler::GetNodeContent(wxXmlNode *node)
383 {
384 wxXmlNode *n = node;
385 if (n == NULL) return wxEmptyString;
386 n = n->GetChildren();
387
388 while (n)
389 {
390 if (n->GetType() == wxXML_TEXT_NODE ||
391 n->GetType() == wxXML_CDATA_SECTION_NODE)
392 return n->GetContent();
393 n = n->GetNext();
394 }
395 return wxEmptyString;
396 }
397
398
399 wxString wxRichTextXMLHandler::GetParamValue(wxXmlNode *node, const wxString& param)
400 {
401 if (param.empty())
402 return GetNodeContent(node);
403 else
404 return GetNodeContent(GetParamNode(node, param));
405 }
406
407 wxString wxRichTextXMLHandler::GetText(wxXmlNode *node, const wxString& param, bool WXUNUSED(translate))
408 {
409 wxXmlNode *parNode = GetParamNode(node, param);
410 if (!parNode)
411 parNode = node;
412 wxString str1(GetNodeContent(parNode));
413 return str1;
414 }
415
416 // For use with earlier versions of wxWidgets
417 #ifndef WXUNUSED_IN_UNICODE
418 #if wxUSE_UNICODE
419 #define WXUNUSED_IN_UNICODE(x) WXUNUSED(x)
420 #else
421 #define WXUNUSED_IN_UNICODE(x) x
422 #endif
423 #endif
424
425 // write string to output:
426 inline static void OutputString(wxOutputStream& stream, const wxString& str,
427 wxMBConv *WXUNUSED_IN_UNICODE(convMem) = NULL, wxMBConv *convFile = NULL)
428 {
429 if (str.empty()) return;
430 #if wxUSE_UNICODE
431 if (convFile)
432 {
433 const wxWX2MBbuf buf(str.mb_str(*convFile));
434 stream.Write((const char*)buf, strlen((const char*)buf));
435 }
436 else
437 {
438 const wxWX2MBbuf buf(str.mb_str(wxConvUTF8));
439 stream.Write((const char*)buf, strlen((const char*)buf));
440 }
441 #else
442 if ( convFile == NULL )
443 stream.Write(str.mb_str(), str.Len());
444 else
445 {
446 wxString str2(str.wc_str(*convMem), *convFile);
447 stream.Write(str2.mb_str(), str2.Len());
448 }
449 #endif
450 }
451
452 // Same as above, but create entities first.
453 // Translates '<' to "&lt;", '>' to "&gt;" and '&' to "&amp;"
454 static void OutputStringEnt(wxOutputStream& stream, const wxString& str,
455 wxMBConv *convMem = NULL, wxMBConv *convFile = NULL)
456 {
457 wxString buf;
458 size_t i, last, len;
459 wxChar c;
460
461 len = str.Len();
462 last = 0;
463 for (i = 0; i < len; i++)
464 {
465 c = str.GetChar(i);
466
467 // Original code excluded "&amp;" but we _do_ want to convert
468 // the ampersand beginning &amp; because otherwise when read in,
469 // the original "&amp;" becomes "&".
470
471 if (c == wxT('<') || c == wxT('>') || c == wxT('"') ||
472 (c == wxT('&') /* && (str.Mid(i+1, 4) != wxT("amp;")) */ ))
473 {
474 OutputString(stream, str.Mid(last, i - last), convMem, convFile);
475 switch (c)
476 {
477 case wxT('<'):
478 OutputString(stream, wxT("&lt;"), NULL, NULL);
479 break;
480 case wxT('>'):
481 OutputString(stream, wxT("&gt;"), NULL, NULL);
482 break;
483 case wxT('&'):
484 OutputString(stream, wxT("&amp;"), NULL, NULL);
485 break;
486 case wxT('"'):
487 OutputString(stream, wxT("&quot;"), NULL, NULL);
488 break;
489 default: break;
490 }
491 last = i + 1;
492 }
493 else if (wxUChar(c) > 127)
494 {
495 OutputString(stream, str.Mid(last, i - last), convMem, convFile);
496
497 wxString s(wxT("&#"));
498 #if wxUSE_UNICODE
499 s << (int) c;
500 #else
501 s << (int) wxUChar(c);
502 #endif
503 s << wxT(";");
504 OutputString(stream, s, NULL, NULL);
505 last = i + 1;
506 }
507 }
508 OutputString(stream, str.Mid(last, i - last), convMem, convFile);
509 }
510
511 static wxString AttributeToXML(const wxString& str)
512 {
513 wxString str1;
514 size_t i, last, len;
515 wxChar c;
516
517 len = str.Len();
518 last = 0;
519 for (i = 0; i < len; i++)
520 {
521 c = str.GetChar(i);
522
523 // Original code excluded "&amp;" but we _do_ want to convert
524 // the ampersand beginning &amp; because otherwise when read in,
525 // the original "&amp;" becomes "&".
526
527 if (c == wxT('<') || c == wxT('>') || c == wxT('"') ||
528 (c == wxT('&') /* && (str.Mid(i+1, 4) != wxT("amp;")) */ ))
529 {
530 str1 += str.Mid(last, i - last);
531 switch (c)
532 {
533 case wxT('<'):
534 str1 += wxT("&lt;");
535 break;
536 case wxT('>'):
537 str1 += wxT("&gt;");
538 break;
539 case wxT('&'):
540 str1 += wxT("&amp;");
541 break;
542 case wxT('"'):
543 str1 += wxT("&quot;");
544 break;
545 default: break;
546 }
547 last = i + 1;
548 }
549 else if (wxUChar(c) > 127)
550 {
551 str1 += str.Mid(last, i - last);
552
553 wxString s(wxT("&#"));
554 #if wxUSE_UNICODE
555 s << (int) c;
556 #else
557 s << (int) wxUChar(c);
558 #endif
559 s << wxT(";");
560 str1 += s;
561 last = i + 1;
562 }
563 }
564 str1 += str.Mid(last, i - last);
565 return str1;
566 }
567
568 inline static void OutputIndentation(wxOutputStream& stream, int indent)
569 {
570 wxString str = wxT("\n");
571 for (int i = 0; i < indent; i++)
572 str << wxT(' ') << wxT(' ');
573 OutputString(stream, str, NULL, NULL);
574 }
575
576 // Convert a colour to a 6-digit hex string
577 static wxString ColourToHexString(const wxColour& col)
578 {
579 wxString hex;
580
581 hex += wxDecToHex(col.Red());
582 hex += wxDecToHex(col.Green());
583 hex += wxDecToHex(col.Blue());
584
585 return hex;
586 }
587
588 // Convert 6-digit hex string to a colour
589 static wxColour HexStringToColour(const wxString& hex)
590 {
591 unsigned char r = (unsigned char)wxHexToDec(hex.Mid(0, 2));
592 unsigned char g = (unsigned char)wxHexToDec(hex.Mid(2, 2));
593 unsigned char b = (unsigned char)wxHexToDec(hex.Mid(4, 2));
594
595 return wxColour(r, g, b);
596 }
597
598 bool wxRichTextXMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
599 {
600 if (!stream.IsOk())
601 return false;
602
603 wxString version(wxT("1.0") ) ;
604
605 bool deleteConvFile = false;
606 wxString fileEncoding;
607 wxMBConv* convFile = NULL;
608
609 #if wxUSE_UNICODE
610 fileEncoding = wxT("UTF-8");
611 convFile = & wxConvUTF8;
612 #else
613 fileEncoding = wxT("ISO-8859-1");
614 convFile = & wxConvISO8859_1;
615 #endif
616
617 // If SetEncoding has been called, change the output encoding.
618 if (!m_encoding.empty() && m_encoding.Lower() != fileEncoding.Lower())
619 {
620 if (m_encoding == wxT("<System>"))
621 {
622 #if wxUSE_INTL
623 fileEncoding = wxLocale::GetSystemEncodingName();
624 // if !wxUSE_INTL, we fall back to UTF-8 or ISO-8859-1 below
625 #endif
626 }
627 else
628 {
629 fileEncoding = m_encoding;
630 }
631
632 // GetSystemEncodingName may not have returned a name
633 if (fileEncoding.empty())
634 #if wxUSE_UNICODE
635 fileEncoding = wxT("UTF-8");
636 #else
637 fileEncoding = wxT("ISO-8859-1");
638 #endif
639 convFile = new wxCSConv(fileEncoding);
640 deleteConvFile = true;
641 }
642
643 #if !wxUSE_UNICODE
644 wxMBConv* convMem = wxConvCurrent;
645 #else
646 wxMBConv* convMem = NULL;
647 #endif
648
649 wxString s ;
650 s.Printf(wxT("<?xml version=\"%s\" encoding=\"%s\"?>\n"),
651 version, fileEncoding);
652 OutputString(stream, s, NULL, NULL);
653 OutputString(stream, wxT("<richtext version=\"1.0.0.0\" xmlns=\"http://www.wxwidgets.org\">") , NULL, NULL);
654
655 int level = 1;
656
657 if (buffer->GetStyleSheet() && (GetFlags() & wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET))
658 {
659 OutputIndentation(stream, level);
660 wxString nameAndDescr;
661 if (!buffer->GetStyleSheet()->GetName().IsEmpty())
662 nameAndDescr << wxT(" name=\"") << buffer->GetStyleSheet()->GetName() << wxT("\"");
663 if (!buffer->GetStyleSheet()->GetDescription().IsEmpty())
664 nameAndDescr << wxT(" description=\"") << buffer->GetStyleSheet()->GetDescription() << wxT("\"");
665 OutputString(stream, wxString(wxT("<stylesheet")) + nameAndDescr + wxT(">"), convMem, convFile);
666
667 int i;
668
669 for (i = 0; i < (int) buffer->GetStyleSheet()->GetCharacterStyleCount(); i++)
670 {
671 wxRichTextCharacterStyleDefinition* def = buffer->GetStyleSheet()->GetCharacterStyle(i);
672 ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
673 }
674
675 for (i = 0; i < (int) buffer->GetStyleSheet()->GetParagraphStyleCount(); i++)
676 {
677 wxRichTextParagraphStyleDefinition* def = buffer->GetStyleSheet()->GetParagraphStyle(i);
678 ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
679 }
680
681 for (i = 0; i < (int) buffer->GetStyleSheet()->GetListStyleCount(); i++)
682 {
683 wxRichTextListStyleDefinition* def = buffer->GetStyleSheet()->GetListStyle(i);
684 ExportStyleDefinition(stream, convMem, convFile, def, level + 1);
685 }
686
687 OutputIndentation(stream, level);
688 OutputString(stream, wxT("</stylesheet>"), convMem, convFile);
689 }
690
691
692 bool success = ExportXML(stream, convMem, convFile, *buffer, level);
693
694 OutputString(stream, wxT("\n</richtext>") , NULL, NULL);
695 OutputString(stream, wxT("\n"), NULL, NULL);
696
697 if (deleteConvFile)
698 delete convFile;
699
700 return success;
701 }
702
703 /// Recursively export an object
704 bool wxRichTextXMLHandler::ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextObject& obj, int indent)
705 {
706 wxString objectName;
707 if (obj.IsKindOf(CLASSINFO(wxRichTextParagraphLayoutBox)))
708 objectName = wxT("paragraphlayout");
709 else if (obj.IsKindOf(CLASSINFO(wxRichTextParagraph)))
710 objectName = wxT("paragraph");
711 else if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
712 objectName = wxT("text");
713 else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
714 objectName = wxT("image");
715 else
716 objectName = wxT("object");
717
718 bool terminateTag = true;
719
720 if (obj.IsKindOf(CLASSINFO(wxRichTextPlainText)))
721 {
722 wxRichTextPlainText& textObj = (wxRichTextPlainText&) obj;
723
724 wxString style = CreateStyle(obj.GetAttributes(), false);
725
726 int i;
727 int last = 0;
728 const wxString& text = textObj.GetText();
729 int len = (int) text.Length();
730
731 if (len == 0)
732 {
733 i = 0;
734 OutputIndentation(stream, indent);
735 OutputString(stream, wxT("<") + objectName, convMem, convFile);
736 OutputString(stream, style + wxT(">"), convMem, convFile);
737 OutputString(stream, wxT("</text>"), convMem, convFile);
738 }
739 else for (i = 0; i < len; i++)
740 {
741 #if wxUSE_UNICODE
742 int c = (int) text[i];
743 #else
744 int c = (int) wxUChar(text[i]);
745 #endif
746 if ((c < 32 || c == 34) && /* c != 9 && */ c != 10 && c != 13)
747 {
748 if (i > 0)
749 {
750 wxString fragment(text.Mid(last, i-last));
751 if (!fragment.IsEmpty())
752 {
753 OutputIndentation(stream, indent);
754 OutputString(stream, wxT("<") + objectName, convMem, convFile);
755
756 OutputString(stream, style + wxT(">"), convMem, convFile);
757
758 if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
759 {
760 OutputString(stream, wxT("\""), convMem, convFile);
761 OutputStringEnt(stream, fragment, convMem, convFile);
762 OutputString(stream, wxT("\""), convMem, convFile);
763 }
764 else
765 OutputStringEnt(stream, fragment, convMem, convFile);
766
767 OutputString(stream, wxT("</text>"), convMem, convFile);
768 }
769 }
770
771
772 // Output this character as a number in a separate tag, because XML can't cope
773 // with entities below 32 except for 10 and 13
774 last = i + 1;
775 OutputIndentation(stream, indent);
776 OutputString(stream, wxT("<symbol"), convMem, convFile);
777
778 OutputString(stream, style + wxT(">"), convMem, convFile);
779 OutputString(stream, wxString::Format(wxT("%d"), c), convMem, convFile);
780
781 OutputString(stream, wxT("</symbol>"), convMem, convFile);
782 }
783 }
784
785 wxString fragment;
786 if (last == 0)
787 fragment = text;
788 else
789 fragment = text.Mid(last, i-last);
790
791 if (last < len)
792 {
793 OutputIndentation(stream, indent);
794 OutputString(stream, wxT("<") + objectName, convMem, convFile);
795
796 OutputString(stream, style + wxT(">"), convMem, convFile);
797
798 if (!fragment.empty() && (fragment[0] == wxT(' ') || fragment[fragment.length()-1] == wxT(' ')))
799 {
800 OutputString(stream, wxT("\""), convMem, convFile);
801 OutputStringEnt(stream, fragment, convMem, convFile);
802 OutputString(stream, wxT("\""), convMem, convFile);
803 }
804 else
805 OutputStringEnt(stream, fragment, convMem, convFile);
806 }
807 else
808 terminateTag = false;
809 }
810 else if (obj.IsKindOf(CLASSINFO(wxRichTextImage)))
811 {
812 wxRichTextImage& imageObj = (wxRichTextImage&) obj;
813
814 wxString style = CreateStyle(obj.GetAttributes(), false);
815
816 if (imageObj.GetImage().Ok() && !imageObj.GetImageBlock().Ok())
817 imageObj.MakeBlock();
818
819 OutputIndentation(stream, indent);
820 OutputString(stream, wxT("<") + objectName, convMem, convFile);
821 if (!imageObj.GetImageBlock().Ok())
822 {
823 // No data
824 OutputString(stream, style + wxT(">"), convMem, convFile);
825 }
826 else
827 {
828 OutputString(stream, wxString::Format(wxT(" imagetype=\"%d\"") + style + wxT(">"), (int) imageObj.GetImageBlock().GetImageType()));
829 }
830
831 OutputIndentation(stream, indent+1);
832 OutputString(stream, wxT("<data>"), convMem, convFile);
833
834 imageObj.GetImageBlock().WriteHex(stream);
835
836 OutputString(stream, wxT("</data>"), convMem, convFile);
837 }
838 else if (obj.IsKindOf(CLASSINFO(wxRichTextCompositeObject)))
839 {
840 OutputIndentation(stream, indent);
841 OutputString(stream, wxT("<") + objectName, convMem, convFile);
842
843 bool isPara = false;
844 if (objectName == wxT("paragraph") || objectName == wxT("paragraphlayout"))
845 isPara = true;
846
847 wxString style = CreateStyle(obj.GetAttributes(), isPara);
848
849 if (objectName == wxT("paragraphlayout") && ((wxRichTextParagraphLayoutBox&) obj).GetPartialParagraph())
850 style << wxT(" partialparagraph=\"true\"");
851
852 OutputString(stream, style + wxT(">"), convMem, convFile);
853
854 wxRichTextCompositeObject& composite = (wxRichTextCompositeObject&) obj;
855 size_t i;
856 for (i = 0; i < composite.GetChildCount(); i++)
857 {
858 wxRichTextObject* child = composite.GetChild(i);
859 ExportXML(stream, convMem, convFile, *child, indent+1);
860 }
861 }
862
863 if (objectName != wxT("text"))
864 OutputIndentation(stream, indent);
865
866 if (terminateTag)
867 OutputString(stream, wxT("</") + objectName + wxT(">"), convMem, convFile);
868
869 return true;
870 }
871
872 bool wxRichTextXMLHandler::ExportStyleDefinition(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextStyleDefinition* def, int level)
873 {
874 wxRichTextCharacterStyleDefinition* charDef = wxDynamicCast(def, wxRichTextCharacterStyleDefinition);
875 wxRichTextParagraphStyleDefinition* paraDef = wxDynamicCast(def, wxRichTextParagraphStyleDefinition);
876 wxRichTextListStyleDefinition* listDef = wxDynamicCast(def, wxRichTextListStyleDefinition);
877
878 wxString baseStyle = def->GetBaseStyle();
879 wxString baseStyleProp;
880 if (!baseStyle.IsEmpty())
881 baseStyleProp = wxT(" basestyle=\"") + baseStyle + wxT("\"");
882
883 wxString descr = def->GetDescription();
884 wxString descrProp;
885 if (!descr.IsEmpty())
886 descrProp = wxT(" description=\"") + descr + wxT("\"");
887
888 if (charDef)
889 {
890 OutputIndentation(stream, level);
891 OutputString(stream, wxT("<characterstyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
892
893 level ++;
894
895 wxString style = CreateStyle(def->GetStyle(), false);
896
897 OutputIndentation(stream, level);
898 OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
899
900 OutputIndentation(stream, level);
901 OutputString(stream, wxT("</style>"), convMem, convFile);
902
903 level --;
904
905 OutputIndentation(stream, level);
906 OutputString(stream, wxT("</characterstyle>"), convMem, convFile);
907 }
908 else if (listDef)
909 {
910 OutputIndentation(stream, level);
911
912 if (!listDef->GetNextStyle().IsEmpty())
913 baseStyleProp << wxT(" basestyle=\"") << listDef->GetNextStyle() << wxT("\"");
914
915 OutputString(stream, wxT("<liststyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
916
917 level ++;
918
919 wxString style = CreateStyle(def->GetStyle(), false);
920
921 OutputIndentation(stream, level);
922 OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
923
924 OutputIndentation(stream, level);
925 OutputString(stream, wxT("</style>"), convMem, convFile);
926
927 int i;
928 for (i = 0; i < 10; i ++)
929 {
930 wxTextAttr* levelAttr = listDef->GetLevelAttributes(i);
931 if (levelAttr)
932 {
933 wxString style = CreateStyle(def->GetStyle(), false);
934 wxString levelStr = wxString::Format(wxT(" level=\"%d\" "), (i+1));
935
936 OutputIndentation(stream, level);
937 OutputString(stream, wxT("<style ") + levelStr + style + wxT(">"), convMem, convFile);
938
939 OutputIndentation(stream, level);
940 OutputString(stream, wxT("</style>"), convMem, convFile);
941 }
942 }
943
944 level --;
945
946 OutputIndentation(stream, level);
947 OutputString(stream, wxT("</liststyle>"), convMem, convFile);
948 }
949 else if (paraDef)
950 {
951 OutputIndentation(stream, level);
952
953 if (!paraDef->GetNextStyle().IsEmpty())
954 baseStyleProp << wxT(" basestyle=\"") << paraDef->GetNextStyle() << wxT("\"");
955
956 OutputString(stream, wxT("<paragraphstyle") + baseStyleProp + descrProp + wxT(">"), convMem, convFile);
957
958 level ++;
959
960 wxString style = CreateStyle(def->GetStyle(), false);
961
962 OutputIndentation(stream, level);
963 OutputString(stream, wxT("<style ") + style + wxT(">"), convMem, convFile);
964
965 OutputIndentation(stream, level);
966 OutputString(stream, wxT("</style>"), convMem, convFile);
967
968 level --;
969
970 OutputIndentation(stream, level);
971 OutputString(stream, wxT("</paragraphstyle>"), convMem, convFile);
972 }
973
974 return true;
975 }
976
977 /// Create style parameters
978 wxString wxRichTextXMLHandler::CreateStyle(const wxTextAttr& attr, bool isPara)
979 {
980 wxString str;
981 if (attr.HasTextColour() && attr.GetTextColour().Ok())
982 {
983 str << wxT(" textcolor=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
984 }
985 if (attr.HasBackgroundColour() && attr.GetBackgroundColour().Ok())
986 {
987 str << wxT(" bgcolor=\"#") << ColourToHexString(attr.GetBackgroundColour()) << wxT("\"");
988 }
989
990 if (attr.HasFontSize())
991 str << wxT(" fontsize=\"") << attr.GetFontSize() << wxT("\"");
992
993 if (attr.HasFontFamily())
994 str << wxT(" fontfamily=\"") << attr.GetFont().GetFamily() << wxT("\"");
995
996 if (attr.HasFontItalic())
997 str << wxT(" fontstyle=\"") << attr.GetFontStyle() << wxT("\"");
998
999 if (attr.HasFontWeight())
1000 str << wxT(" fontweight=\"") << attr.GetFontWeight() << wxT("\"");
1001
1002 if (attr.HasFontUnderlined())
1003 str << wxT(" fontunderlined=\"") << (int) attr.GetFontUnderlined() << wxT("\"");
1004
1005 if (attr.HasFontFaceName())
1006 str << wxT(" fontface=\"") << attr.GetFontFaceName() << wxT("\"");
1007
1008 if (attr.HasTextEffects())
1009 {
1010 str << wxT(" texteffects=\"");
1011 str << attr.GetTextEffects();
1012 str << wxT("\"");
1013
1014 str << wxT(" texteffectflags=\"");
1015 str << attr.GetTextEffectFlags();
1016 str << wxT("\"");
1017 }
1018
1019 if (!attr.GetCharacterStyleName().empty())
1020 str << wxT(" characterstyle=\"") << wxString(attr.GetCharacterStyleName()) << wxT("\"");
1021
1022 if (attr.HasURL())
1023 str << wxT(" url=\"") << AttributeToXML(attr.GetURL()) << wxT("\"");
1024
1025 if (isPara)
1026 {
1027 if (attr.HasAlignment())
1028 str << wxT(" alignment=\"") << (int) attr.GetAlignment() << wxT("\"");
1029
1030 if (attr.HasLeftIndent())
1031 {
1032 str << wxT(" leftindent=\"") << (int) attr.GetLeftIndent() << wxT("\"");
1033 str << wxT(" leftsubindent=\"") << (int) attr.GetLeftSubIndent() << wxT("\"");
1034 }
1035
1036 if (attr.HasRightIndent())
1037 str << wxT(" rightindent=\"") << (int) attr.GetRightIndent() << wxT("\"");
1038
1039 if (attr.HasParagraphSpacingAfter())
1040 str << wxT(" parspacingafter=\"") << (int) attr.GetParagraphSpacingAfter() << wxT("\"");
1041
1042 if (attr.HasParagraphSpacingBefore())
1043 str << wxT(" parspacingbefore=\"") << (int) attr.GetParagraphSpacingBefore() << wxT("\"");
1044
1045 if (attr.HasLineSpacing())
1046 str << wxT(" linespacing=\"") << (int) attr.GetLineSpacing() << wxT("\"");
1047
1048 if (attr.HasBulletStyle())
1049 str << wxT(" bulletstyle=\"") << (int) attr.GetBulletStyle() << wxT("\"");
1050
1051 if (attr.HasBulletNumber())
1052 str << wxT(" bulletnumber=\"") << (int) attr.GetBulletNumber() << wxT("\"");
1053
1054 if (attr.HasBulletText())
1055 {
1056 // If using a bullet symbol, convert to integer in case it's a non-XML-friendly character.
1057 // Otherwise, assume it's XML-friendly text such as outline numbering, e.g. 1.2.3.1
1058 if (!attr.GetBulletText().IsEmpty() && (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL))
1059 str << wxT(" bulletsymbol=\"") << (int) (attr.GetBulletText()[0]) << wxT("\"");
1060 else
1061 str << wxT(" bullettext=\"") << attr.GetBulletText() << wxT("\"");
1062
1063 str << wxT(" bulletfont=\"") << attr.GetBulletFont() << wxT("\"");
1064 }
1065
1066 if (attr.HasBulletName())
1067 str << wxT(" bulletname=\"") << attr.GetBulletName() << wxT("\"");
1068
1069 if (!attr.GetParagraphStyleName().empty())
1070 str << wxT(" parstyle=\"") << wxString(attr.GetParagraphStyleName()) << wxT("\"");
1071
1072 if (!attr.GetListStyleName().empty())
1073 str << wxT(" liststyle=\"") << wxString(attr.GetListStyleName()) << wxT("\"");
1074
1075 if (attr.HasTabs())
1076 {
1077 str << wxT(" tabs=\"");
1078 size_t i;
1079 for (i = 0; i < attr.GetTabs().GetCount(); i++)
1080 {
1081 if (i > 0)
1082 str << wxT(",");
1083 str << attr.GetTabs()[i];
1084 }
1085 str << wxT("\"");
1086 }
1087
1088 if (attr.HasPageBreak())
1089 {
1090 str << wxT(" pagebreak=\"1\"");
1091 }
1092
1093 if (attr.HasOutlineLevel())
1094 str << wxT(" outlinelevel=\"") << (int) attr.GetOutlineLevel() << wxT("\"");
1095
1096 }
1097
1098 return str;
1099 }
1100
1101 /// Replace face name with current name for platform.
1102 /// TODO: introduce a virtual function or settable table to
1103 /// do this comprehensively.
1104 bool wxRichTextFixFaceName(wxString& facename)
1105 {
1106 if (facename.IsEmpty())
1107 return false;
1108
1109 #ifdef __WXMSW__
1110 if (facename == wxT("Times"))
1111 {
1112 facename = wxT("Times New Roman");
1113 return true;
1114 }
1115 else if (facename == wxT("Helvetica"))
1116 {
1117 facename = wxT("Arial");
1118 return true;
1119 }
1120 else if (facename == wxT("Courier"))
1121 {
1122 facename = wxT("Courier New");
1123 return true;
1124 }
1125 else
1126 return false;
1127 #else
1128 if (facename == wxT("Times New Roman"))
1129 {
1130 facename = wxT("Times");
1131 return true;
1132 }
1133 else if (facename == wxT("Arial"))
1134 {
1135 facename = wxT("Helvetica");
1136 return true;
1137 }
1138 else if (facename == wxT("Courier New"))
1139 {
1140 facename = wxT("Courier");
1141 return true;
1142 }
1143 else
1144 return false;
1145 #endif
1146 }
1147
1148 /// Get style parameters
1149 bool wxRichTextXMLHandler::GetStyle(wxTextAttr& attr, wxXmlNode* node, bool isPara)
1150 {
1151 wxString fontFacename;
1152 int fontSize = 12;
1153 wxFontFamily fontFamily = wxFONTFAMILY_DEFAULT;
1154 wxFontWeight fontWeight = wxFONTWEIGHT_NORMAL;
1155 wxFontStyle fontStyle = wxFONTSTYLE_NORMAL;
1156 bool fontUnderlined = false;
1157
1158 // int fontFlags = 0;
1159
1160 fontFacename = node->GetAttribute(wxT("fontface"), wxEmptyString);
1161 if (!fontFacename.IsEmpty())
1162 {
1163 attr.SetFontFaceName(fontFacename);
1164 if (GetFlags() & wxRICHTEXT_HANDLER_CONVERT_FACENAMES)
1165 wxRichTextFixFaceName(fontFacename);
1166 }
1167
1168 wxString value;
1169 value = node->GetAttribute(wxT("fontfamily"), wxEmptyString);
1170 if (!value.empty())
1171 {
1172 fontFamily = (wxFontFamily)wxAtoi(value);
1173 attr.SetFontFamily(fontFamily);
1174 }
1175
1176 value = node->GetAttribute(wxT("fontstyle"), wxEmptyString);
1177 if (!value.empty())
1178 {
1179 fontStyle = (wxFontStyle)wxAtoi(value);
1180 attr.SetFontStyle(fontStyle);
1181 }
1182
1183 value = node->GetAttribute(wxT("fontsize"), wxEmptyString);
1184 if (!value.empty())
1185 {
1186 fontSize = wxAtoi(value);
1187 attr.SetFontSize(fontSize);
1188 }
1189
1190 value = node->GetAttribute(wxT("fontweight"), wxEmptyString);
1191 if (!value.empty())
1192 {
1193 fontWeight = (wxFontWeight)wxAtoi(value);
1194 attr.SetFontWeight(fontWeight);
1195 }
1196
1197 value = node->GetAttribute(wxT("fontunderlined"), wxEmptyString);
1198 if (!value.empty())
1199 {
1200 fontUnderlined = wxAtoi(value) != 0;
1201 attr.SetFontUnderlined(fontUnderlined);
1202 }
1203
1204 value = node->GetAttribute(wxT("textcolor"), wxEmptyString);
1205 if (!value.empty())
1206 {
1207 if (value[0] == wxT('#'))
1208 attr.SetTextColour(HexStringToColour(value.Mid(1)));
1209 else
1210 attr.SetTextColour(value);
1211 }
1212
1213 value = node->GetAttribute(wxT("bgcolor"), wxEmptyString);
1214 if (!value.empty())
1215 {
1216 if (value[0] == wxT('#'))
1217 attr.SetBackgroundColour(HexStringToColour(value.Mid(1)));
1218 else
1219 attr.SetBackgroundColour(value);
1220 }
1221
1222 value = node->GetAttribute(wxT("characterstyle"), wxEmptyString);
1223 if (!value.empty())
1224 attr.SetCharacterStyleName(value);
1225
1226 value = node->GetAttribute(wxT("texteffects"), wxEmptyString);
1227 if (!value.IsEmpty())
1228 {
1229 attr.SetTextEffects(wxAtoi(value));
1230 }
1231
1232 value = node->GetAttribute(wxT("texteffectflags"), wxEmptyString);
1233 if (!value.IsEmpty())
1234 {
1235 attr.SetTextEffectFlags(wxAtoi(value));
1236 }
1237
1238 value = node->GetAttribute(wxT("url"), wxEmptyString);
1239 if (!value.empty())
1240 attr.SetURL(value);
1241
1242 // Set paragraph attributes
1243 if (isPara)
1244 {
1245 value = node->GetAttribute(wxT("alignment"), wxEmptyString);
1246 if (!value.empty())
1247 attr.SetAlignment((wxTextAttrAlignment) wxAtoi(value));
1248
1249 int leftSubIndent = 0;
1250 int leftIndent = 0;
1251 bool hasLeftIndent = false;
1252
1253 value = node->GetAttribute(wxT("leftindent"), wxEmptyString);
1254 if (!value.empty())
1255 {
1256 leftIndent = wxAtoi(value);
1257 hasLeftIndent = true;
1258 }
1259
1260 value = node->GetAttribute(wxT("leftsubindent"), wxEmptyString);
1261 if (!value.empty())
1262 {
1263 leftSubIndent = wxAtoi(value);
1264 hasLeftIndent = true;
1265 }
1266
1267 if (hasLeftIndent)
1268 attr.SetLeftIndent(leftIndent, leftSubIndent);
1269
1270 value = node->GetAttribute(wxT("rightindent"), wxEmptyString);
1271 if (!value.empty())
1272 attr.SetRightIndent(wxAtoi(value));
1273
1274 value = node->GetAttribute(wxT("parspacingbefore"), wxEmptyString);
1275 if (!value.empty())
1276 attr.SetParagraphSpacingBefore(wxAtoi(value));
1277
1278 value = node->GetAttribute(wxT("parspacingafter"), wxEmptyString);
1279 if (!value.empty())
1280 attr.SetParagraphSpacingAfter(wxAtoi(value));
1281
1282 value = node->GetAttribute(wxT("linespacing"), wxEmptyString);
1283 if (!value.empty())
1284 attr.SetLineSpacing(wxAtoi(value));
1285
1286 value = node->GetAttribute(wxT("bulletstyle"), wxEmptyString);
1287 if (!value.empty())
1288 attr.SetBulletStyle(wxAtoi(value));
1289
1290 value = node->GetAttribute(wxT("bulletnumber"), wxEmptyString);
1291 if (!value.empty())
1292 attr.SetBulletNumber(wxAtoi(value));
1293
1294 value = node->GetAttribute(wxT("bulletsymbol"), wxEmptyString);
1295 if (!value.empty())
1296 {
1297 wxChar ch = wxAtoi(value);
1298 wxString s;
1299 s << ch;
1300 attr.SetBulletText(s);
1301 }
1302
1303 value = node->GetAttribute(wxT("bullettext"), wxEmptyString);
1304 if (!value.empty())
1305 attr.SetBulletText(value);
1306
1307 value = node->GetAttribute(wxT("bulletfont"), wxEmptyString);
1308 if (!value.empty())
1309 attr.SetBulletFont(value);
1310
1311 value = node->GetAttribute(wxT("bulletname"), wxEmptyString);
1312 if (!value.empty())
1313 attr.SetBulletName(value);
1314
1315 value = node->GetAttribute(wxT("parstyle"), wxEmptyString);
1316 if (!value.empty())
1317 attr.SetParagraphStyleName(value);
1318
1319 value = node->GetAttribute(wxT("liststyle"), wxEmptyString);
1320 if (!value.empty())
1321 attr.SetListStyleName(value);
1322
1323 value = node->GetAttribute(wxT("tabs"), wxEmptyString);
1324 if (!value.empty())
1325 {
1326 wxArrayInt tabs;
1327 wxStringTokenizer tkz(value, wxT(","));
1328 while (tkz.HasMoreTokens())
1329 {
1330 wxString token = tkz.GetNextToken();
1331 tabs.Add(wxAtoi(token));
1332 }
1333 attr.SetTabs(tabs);
1334 }
1335
1336 value = node->GetAttribute(wxT("pagebreak"), wxEmptyString);
1337 if (!value.IsEmpty())
1338 {
1339 attr.SetPageBreak(wxAtoi(value) != 0);
1340 }
1341
1342 value = node->GetAttribute(wxT("outlinelevel"), wxEmptyString);
1343 if (!value.IsEmpty())
1344 {
1345 attr.SetOutlineLevel(wxAtoi(value));
1346 }
1347 }
1348
1349 return true;
1350 }
1351
1352 #endif
1353 // wxUSE_STREAMS
1354
1355 #endif
1356 // wxUSE_RICHTEXT && wxUSE_XML
1357