X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5d7836c47de679f03b1b7e738c77164c11bd3689..8e5ec129614e2473fd240f2a6e94ee56e3a9039b:/src/richtext/richtextxml.cpp diff --git a/src/richtext/richtextxml.cpp b/src/richtext/richtextxml.cpp index 2e171c5d07..0d05379693 100644 --- a/src/richtext/richtextxml.cpp +++ b/src/richtext/richtextxml.cpp @@ -1,10 +1,10 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: richtextxml.cpp +// Name: src/richtext/richtextxml.cpp // Purpose: XML and HTML I/O for wxRichTextCtrl // Author: Julian Smart -// Modified by: +// Modified by: // Created: 2005-09-30 -// RCS-ID: +// RCS-ID: $Id$ // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -16,13 +16,14 @@ #pragma hdrstop #endif -#ifndef WX_PRECOMP - #include "wx/wx.h" -#endif +#if wxUSE_RICHTEXT && wxUSE_XML -#include "wx/image.h" +#include "wx/richtext/richtextxml.h" -#if wxUSE_RICHTEXT +#ifndef WX_PRECOMP + #include "wx/wx.h" + #include "wx/intl.h" +#endif #include "wx/filename.h" #include "wx/clipbrd.h" @@ -32,12 +33,10 @@ #include "wx/txtstrm.h" #include "wx/xml/xml.h" -#include "wx/richtext/richtextxml.h" - IMPLEMENT_DYNAMIC_CLASS(wxRichTextXMLHandler, wxRichTextFileHandler) #if wxUSE_STREAMS -bool wxRichTextXMLHandler::LoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) +bool wxRichTextXMLHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) { if (!stream.IsOk()) return false; @@ -47,7 +46,14 @@ bool wxRichTextXMLHandler::LoadFile(wxRichTextBuffer *buffer, wxInputStream& str wxXmlDocument* xmlDoc = new wxXmlDocument; bool success = true; - if (!xmlDoc->Load(stream, wxT("ISO-8859-1"))) + // This is the encoding to convert to (memory encoding rather than file encoding) + wxString encoding(wxT("UTF-8")); + +#if !wxUSE_UNICODE && wxUSE_INTL + encoding = wxLocale::GetSystemEncodingName(); +#endif + + if (!xmlDoc->Load(stream, encoding)) { success = false; } @@ -67,7 +73,7 @@ bool wxRichTextXMLHandler::LoadFile(wxRichTextBuffer *buffer, wxInputStream& str else ImportXML(buffer, child); } - + child = child->GetNext(); } } @@ -76,7 +82,7 @@ bool wxRichTextXMLHandler::LoadFile(wxRichTextBuffer *buffer, wxInputStream& str success = false; } } - + delete xmlDoc; buffer->UpdateRanges(); @@ -117,19 +123,13 @@ bool wxRichTextXMLHandler::ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node) wxString text2 = textChild->GetContent(); // Strip whitespace from end - if (text2.Length() > 0 && text2[text2.Length()-1] == wxT('\n')) - text2 = text2.Mid(0, text2.Length()-1); + if (!text2.empty() && text2[text2.length()-1] == wxT('\n')) + text2 = text2.Mid(0, text2.length()-1); - if (text2.Length() > 0 && text2[0] == wxT('"')) + if (!text2.empty() && text2[0] == wxT('"')) text2 = text2.Mid(1); - if (text2.Length() > 0 && text2[text2.Length()-1] == wxT('"')) - text2 = text2.Mid(0, text2.Length() - 1); - - // TODO: further entity translation - text2.Replace(wxT("<"), wxT("<")); - text2.Replace(wxT(">"), wxT(">")); - text2.Replace(wxT("&"), wxT("&")); - text2.Replace(wxT("""), wxT("\"")); + if (!text2.empty() && text2[text2.length()-1] == wxT('"')) + text2 = text2.Mid(0, text2.length() - 1); text += text2; } @@ -145,7 +145,7 @@ bool wxRichTextXMLHandler::ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node) { int imageType = wxBITMAP_TYPE_PNG; wxString value = node->GetPropVal(wxT("imagetype"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) imageType = wxAtoi(value); wxString data; @@ -163,19 +163,19 @@ bool wxRichTextXMLHandler::ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node) // wxLogDebug(data); dataChild = dataChild->GetNext(); } - + } imageChild = imageChild->GetNext(); } - if (!data.IsEmpty()) + if (!data.empty()) { wxRichTextImage* imageObj = new wxRichTextImage(para); para->AppendChild(imageObj); wxStringInputStream strStream(data); - imageObj->GetImageBlock().ReadHex(strStream, data.Length(), imageType); + imageObj->GetImageBlock().ReadHex(strStream, data.length(), imageType); } } child = child->GetNext(); @@ -192,7 +192,7 @@ bool wxRichTextXMLHandler::ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node) ImportXML(buffer, child); child = child->GetNext(); } - } + } return true; } @@ -242,7 +242,7 @@ wxString wxRichTextXMLHandler::GetNodeContent(wxXmlNode *node) wxString wxRichTextXMLHandler::GetParamValue(wxXmlNode *node, const wxString& param) { - if (param.IsEmpty()) + if (param.empty()) return GetNodeContent(node); else return GetNodeContent(GetParamNode(node, param)); @@ -257,14 +257,31 @@ wxString wxRichTextXMLHandler::GetText(wxXmlNode *node, const wxString& param, b return str1; } +// For use with earlier versions of wxWidgets +#ifndef WXUNUSED_IN_UNICODE +#if wxUSE_UNICODE +#define WXUNUSED_IN_UNICODE(x) WXUNUSED(x) +#else +#define WXUNUSED_IN_UNICODE(x) x +#endif +#endif + // write string to output: inline static void OutputString(wxOutputStream& stream, const wxString& str, - wxMBConv *convMem = NULL, wxMBConv *convFile = NULL) + wxMBConv *WXUNUSED_IN_UNICODE(convMem) = NULL, wxMBConv *convFile = NULL) { - if (str.IsEmpty()) return; + if (str.empty()) return; #if wxUSE_UNICODE - const wxWX2MBbuf buf(str.mb_str(convFile ? *convFile : wxConvUTF8)); - stream.Write((const char*)buf, strlen((const char*)buf)); + if (convFile) + { + const wxWX2MBbuf buf(str.mb_str(*convFile)); + stream.Write((const char*)buf, strlen((const char*)buf)); + } + else + { + const wxWX2MBbuf buf(str.mb_str(wxConvUTF8)); + stream.Write((const char*)buf, strlen((const char*)buf)); + } #else if ( convFile == NULL ) stream.Write(str.mb_str(), str.Len()); @@ -284,14 +301,19 @@ static void OutputStringEnt(wxOutputStream& stream, const wxString& str, wxString buf; size_t i, last, len; wxChar c; - + len = str.Len(); last = 0; for (i = 0; i < len; i++) { c = str.GetChar(i); + + // Original code excluded "&" but we _do_ want to convert + // the ampersand beginning & because otherwise when read in, + // the original "&" becomes "&". + if (c == wxT('<') || c == wxT('>') || c == wxT('"') || - (c == wxT('&') && (str.Mid(i+1, 4) != wxT("amp;")))) + (c == wxT('&') /* && (str.Mid(i+1, 4) != wxT("amp;")) */ )) { OutputString(stream, str.Mid(last, i - last), convMem, convFile); switch (c) @@ -324,26 +346,6 @@ inline static void OutputIndentation(wxOutputStream& stream, int indent) OutputString(stream, str, NULL, NULL); } -static wxOutputStream& operator <<(wxOutputStream& stream, const wxString& s) -{ - stream.Write(s, s.Length()); - return stream; -} - -static wxOutputStream& operator <<(wxOutputStream& stream, long l) -{ - wxString str; - str.Printf(wxT("%ld"), l); - return stream << str; -} - -static wxOutputStream& operator <<(wxOutputStream& stream, const char c) -{ - wxString str; - str.Printf(wxT("%c"), c); - return stream << str; -} - // Convert a colour to a 6-digit hex string static wxString ColourToHexString(const wxColour& col) { @@ -357,59 +359,79 @@ static wxString ColourToHexString(const wxColour& col) } // Convert 6-digit hex string to a colour -wxColour HexStringToColour(const wxString& hex) +static wxColour HexStringToColour(const wxString& hex) { - unsigned int r = 0; - unsigned int g = 0; - unsigned int b = 0; - r = wxHexToDec(hex.Mid(0, 2)); - g = wxHexToDec(hex.Mid(2, 2)); - b = wxHexToDec(hex.Mid(4, 2)); + unsigned char r = (unsigned char)wxHexToDec(hex.Mid(0, 2)); + unsigned char g = (unsigned char)wxHexToDec(hex.Mid(2, 2)); + unsigned char b = (unsigned char)wxHexToDec(hex.Mid(4, 2)); return wxColour(r, g, b); } -bool wxRichTextXMLHandler::SaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) +bool wxRichTextXMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) { if (!stream.IsOk()) return false; wxString version(wxT("1.0") ) ; + + bool deleteConvFile = false; + wxString fileEncoding; + wxMBConv* convFile = NULL; + #if wxUSE_UNICODE - wxString fileencoding(wxT("UTF-8")) ; - wxString memencoding(wxT("UTF-8")) ; + fileEncoding = wxT("UTF-8"); + convFile = & wxConvUTF8; #else - wxString fileencoding(wxT("ISO-8859-1")) ; - wxString memencoding(wxT("ISO-8859-1")) ; + fileEncoding = wxT("ISO-8859-1"); + convFile = & wxConvISO8859_1; #endif - wxString s ; - - wxMBConv *convMem = NULL, *convFile = NULL; + + // If SetEncoding has been called, change the output encoding. + if (!m_encoding.empty() && m_encoding.Lower() != fileEncoding.Lower()) + { + if (m_encoding == wxT("")) + { + fileEncoding = wxLocale::GetSystemEncodingName(); + } + else + { + fileEncoding = m_encoding; + } + + // GetSystemEncodingName may not have returned a name + if (fileEncoding.empty()) #if wxUSE_UNICODE - convFile = new wxCSConv(fileencoding); + fileEncoding = wxT("UTF-8"); #else - if ( fileencoding != memencoding ) - { - convFile = new wxCSConv(fileencoding); - convMem = new wxCSConv(memencoding); + fileEncoding = wxT("ISO-8859-1"); +#endif + convFile = new wxCSConv(fileEncoding); + deleteConvFile = true; } + +#if !wxUSE_UNICODE + wxMBConv* convMem = wxConvCurrent; +#else + wxMBConv* convMem = NULL; #endif - + + wxString s ; s.Printf(wxT("\n"), - (const wxChar*) version, (const wxChar*) fileencoding ); + (const wxChar*) version, (const wxChar*) fileEncoding ); OutputString(stream, s, NULL, NULL); OutputString(stream, wxT("") , NULL, NULL); int level = 1; - ExportXML(stream, convMem, convFile, *buffer, level); + bool success = ExportXML(stream, convMem, convFile, *buffer, level); OutputString(stream, wxT("\n") , NULL, NULL); OutputString(stream, wxT("\n"), NULL, NULL); - - delete convFile; - delete convMem; - return true; + if (deleteConvFile) + delete convFile; + + return success; } /// Recursively export an object @@ -432,18 +454,18 @@ bool wxRichTextXMLHandler::ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxRichTextPlainText& text = (wxRichTextPlainText&) obj; OutputIndentation(stream, indent); - stream << wxT("<") << objectName; - + OutputString(stream, wxT("<") + objectName, convMem, convFile); + wxString style = CreateStyle(obj.GetAttributes(), false); - - stream << style << wxT(">"); - + + OutputString(stream, style + wxT(">"), convMem, convFile); + wxString str = text.GetText(); - if (str.Length() > 0 && (str[0] == wxT(' ') || str[str.Length()-1] == wxT(' '))) + if (!str.empty() && (str[0] == wxT(' ') || str[str.length()-1] == wxT(' '))) { - stream << wxT("\""); + OutputString(stream, wxT("\""), convMem, convFile); OutputStringEnt(stream, str, convMem, convFile); - stream << wxT("\""); + OutputString(stream, wxT("\""), convMem, convFile); } else OutputStringEnt(stream, str, convMem, convFile); @@ -456,37 +478,37 @@ bool wxRichTextXMLHandler::ExportXML(wxOutputStream& stream, wxMBConv* convMem, imageObj.MakeBlock(); OutputIndentation(stream, indent); - stream << wxT("<") << objectName; + OutputString(stream, wxT("<") + objectName, convMem, convFile); if (!imageObj.GetImageBlock().Ok()) { // No data - stream << wxT(">"); + OutputString(stream, wxT(">"), convMem, convFile); } else { - stream << wxString::Format(wxT(" imagetype=\"%d\""), (int) imageObj.GetImageBlock().GetImageType()) << wxT(">"); + OutputString(stream, wxString::Format(wxT(" imagetype=\"%d\">"), (int) imageObj.GetImageBlock().GetImageType())); } OutputIndentation(stream, indent+1); - stream << wxT(""); + OutputString(stream, wxT(""), convMem, convFile); imageObj.GetImageBlock().WriteHex(stream); - stream << wxT(""); + OutputString(stream, wxT(""), convMem, convFile); } else if (obj.IsKindOf(CLASSINFO(wxRichTextCompositeObject))) { OutputIndentation(stream, indent); - stream << wxT("<") << objectName; - + OutputString(stream, wxT("<") + objectName, convMem, convFile); + bool isPara = false; if (objectName == wxT("paragraph") || objectName == wxT("paragraphlayout")) isPara = true; wxString style = CreateStyle(obj.GetAttributes(), isPara); - - stream << style << wxT(">"); - + + OutputString(stream, style + wxT(">"), convMem, convFile); + wxRichTextCompositeObject& composite = (wxRichTextCompositeObject&) obj; size_t i; for (i = 0; i < composite.GetChildCount(); i++) @@ -499,7 +521,7 @@ bool wxRichTextXMLHandler::ExportXML(wxOutputStream& stream, wxMBConv* convMem, if (objectName != wxT("text")) OutputIndentation(stream, indent); - stream << wxT(""); + OutputString(stream, wxT(""), convMem, convFile); return true; } @@ -527,7 +549,7 @@ wxString wxRichTextXMLHandler::CreateStyle(const wxTextAttrEx& attr, bool isPara str << wxT(" fontface=\"") << attr.GetFont().GetFaceName() << wxT("\""); } - if (!attr.GetCharacterStyleName().IsEmpty()) + if (!attr.GetCharacterStyleName().empty()) str << wxT(" charactertyle=\"") << wxString(attr.GetCharacterStyleName()) << wxT("\""); if (isPara) @@ -543,7 +565,7 @@ wxString wxRichTextXMLHandler::CreateStyle(const wxTextAttrEx& attr, bool isPara str << wxT(" bulletnumber=\"") << (int) attr.GetBulletNumber() << wxT("\""); str << wxT(" bulletsymbol=\"") << wxString(attr.GetBulletSymbol()) << wxT("\""); - if (!attr.GetParagraphStyleName().IsEmpty()) + if (!attr.GetParagraphStyleName().empty()) str << wxT(" parstyle=\"") << wxString(attr.GetParagraphStyleName()) << wxT("\""); } @@ -563,29 +585,29 @@ bool wxRichTextXMLHandler::GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool is fontFacename = node->GetPropVal(wxT("fontface"), wxEmptyString); wxString value = node->GetPropVal(wxT("fontfamily"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) fontFamily = wxAtoi(value); value = node->GetPropVal(wxT("fontstyle"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) fontStyle = wxAtoi(value); value = node->GetPropVal(wxT("fontsize"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) fontSize = wxAtoi(value); value = node->GetPropVal(wxT("fontweight"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) fontWeight = wxAtoi(value); value = node->GetPropVal(wxT("fontunderlined"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) fontUnderlined = wxAtoi(value) != 0; attr.SetFont(* wxTheFontList->FindOrCreateFont(fontSize, fontFamily, fontStyle, fontWeight, fontUnderlined, fontFacename)); value = node->GetPropVal(wxT("textcolor"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) { if (value[0] == wxT('#')) attr.SetTextColour(HexStringToColour(value.Mid(1))); @@ -594,7 +616,7 @@ bool wxRichTextXMLHandler::GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool is } value = node->GetPropVal(wxT("backgroundcolor"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) { if (value[0] == wxT('#')) attr.SetBackgroundColour(HexStringToColour(value.Mid(1))); @@ -603,56 +625,56 @@ bool wxRichTextXMLHandler::GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool is } value = node->GetPropVal(wxT("characterstyle"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetCharacterStyleName(value); // Set paragraph attributes if (isPara) { value = node->GetPropVal(wxT("alignment"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetAlignment((wxTextAttrAlignment) wxAtoi(value)); int leftSubIndent = 0; int leftIndent = 0; value = node->GetPropVal(wxT("leftindent"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) leftIndent = wxAtoi(value); value = node->GetPropVal(wxT("leftsubindent"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) leftSubIndent = wxAtoi(value); attr.SetLeftIndent(leftIndent, leftSubIndent); value = node->GetPropVal(wxT("rightindent"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetRightIndent(wxAtoi(value)); value = node->GetPropVal(wxT("parspacingbefore"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetParagraphSpacingBefore(wxAtoi(value)); value = node->GetPropVal(wxT("parspacingafter"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetParagraphSpacingAfter(wxAtoi(value)); value = node->GetPropVal(wxT("linespacing"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetLineSpacing(wxAtoi(value)); value = node->GetPropVal(wxT("bulletstyle"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetBulletStyle(wxAtoi(value)); value = node->GetPropVal(wxT("bulletnumber"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetBulletNumber(wxAtoi(value)); value = node->GetPropVal(wxT("bulletsymbol"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetBulletSymbol(value[0]); value = node->GetPropVal(wxT("parstyle"), wxEmptyString); - if (!value.IsEmpty()) + if (!value.empty()) attr.SetParagraphStyleName(value); } @@ -660,149 +682,7 @@ bool wxRichTextXMLHandler::GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool is } #endif - -IMPLEMENT_DYNAMIC_CLASS(wxRichTextHTMLHandler, wxRichTextFileHandler) - -/// Can we handle this filename (if using files)? By default, checks the extension. -bool wxRichTextHTMLHandler::CanHandle(const wxString& filename) const -{ - wxString path, file, ext; - wxSplitPath(filename, & path, & file, & ext); - - return (ext.Lower() == wxT("html") || ext.Lower() == wxT("htm")); -} - - -#if wxUSE_STREAMS -bool wxRichTextHTMLHandler::LoadFile(wxRichTextBuffer *WXUNUSED(buffer), wxInputStream& WXUNUSED(stream)) -{ - return false; -} - -/* - * We need to output only _changes_ in character formatting. - */ - -bool wxRichTextHTMLHandler::SaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) -{ - buffer->Defragment(); - - wxTextOutputStream str(stream); - - wxTextAttrEx currentParaStyle = buffer->GetAttributes(); - wxTextAttrEx currentCharStyle = buffer->GetAttributes(); - - str << wxT("\n"); - - wxRichTextObjectList::compatibility_iterator node = buffer->GetChildren().GetFirst(); - while (node) - { - wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); - wxASSERT (para != NULL); - - if (para) - { - OutputParagraphFormatting(currentParaStyle, para->GetAttributes(), stream, true); - - wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst(); - while (node2) - { - wxRichTextObject* obj = node2->GetData(); - wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText); - if (textObj && !textObj->IsEmpty()) - { - OutputCharacterFormatting(currentCharStyle, obj->GetAttributes(), stream, true); - - str << textObj->GetText(); - - OutputCharacterFormatting(currentCharStyle, obj->GetAttributes(), stream, false); - } - - node2 = node2->GetNext(); - } - - OutputParagraphFormatting(currentParaStyle, para->GetAttributes(), stream, false); - - str << wxT("

\n"); - } - - node = node->GetNext(); - } - - str << wxT("\n"); - - return true; -} - -/// Output character formatting -void wxRichTextHTMLHandler::OutputCharacterFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start) -{ - wxTextOutputStream str(stream); - - bool isBold = false; - bool isItalic = false; - bool isUnderline = false; - wxString faceName; - - if (thisStyle.GetFont().Ok()) - { - if (thisStyle.GetFont().GetWeight() == wxBOLD) - isBold = true; - if (thisStyle.GetFont().GetStyle() == wxITALIC) - isItalic = true; - if (thisStyle.GetFont().GetUnderlined()) - isUnderline = true; - - faceName = thisStyle.GetFont().GetFaceName(); - } - - if (start) - { - if (isBold) - str << wxT(""); - if (isItalic) - str << wxT(""); - if (isUnderline) - str << wxT(""); - } - else - { - if (isUnderline) - str << wxT(""); - if (isItalic) - str << wxT(""); - if (isBold) - str << wxT(""); - } -} - -/// Output paragraph formatting -void wxRichTextHTMLHandler::OutputParagraphFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start) -{ - // TODO: lists, indentation (using tables), fonts, right-align, ... - - wxTextOutputStream str(stream); - bool isCentered = false; - - if (thisStyle.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE) - { - isCentered = true; - } - - if (start) - { - if (isCentered) - str << wxT("

"); - } - else - { - if (isCentered) - str << wxT("
"); - } -} - -#endif + // wxUSE_STREAMS #endif - // wxUSE_RICHTEXT - + // wxUSE_RICHTEXT && wxUSE_XML