149 lines
4.7 KiB
C++
149 lines
4.7 KiB
C++
/***************************************************************************
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* Copyright (c) 2011 Jürgen Riegel <juergen.riegel@web.de> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#include <cassert>
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#endif
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#include <zipios++/zipinputstream.h>
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#include "Exception.h"
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#include "Reader.h"
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#include "Writer.h"
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/// Here the FreeCAD includes sorted by Base,App,Gui......
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#include "Persistence.h"
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using namespace Base;
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TYPESYSTEM_SOURCE_ABSTRACT(Base::Persistence, Base::BaseClass)
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//**************************************************************************
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// Construction/Destruction
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//**************************************************************************
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// separator for other implementation aspects
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unsigned int Persistence::getMemSize() const
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{
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// you have to implement this method in all descending classes!
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assert(0);
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return 0;
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}
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void Persistence::Save(Writer& /*writer*/) const
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{
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// you have to implement this method in all descending classes!
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assert(0);
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}
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void Persistence::Restore(XMLReader& /*reader*/)
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{
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// you have to implement this method in all descending classes!
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assert(0);
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}
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void Persistence::SaveDocFile(Writer& /*writer*/) const
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{}
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void Persistence::RestoreDocFile(Reader& /*reader*/)
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{}
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std::string Persistence::encodeAttribute(const std::string& str)
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{
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std::string tmp;
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for (char it : str) {
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switch (it) {
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case '<':
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tmp += "<";
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break;
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case '\"':
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tmp += """;
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break;
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case '\'':
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tmp += "'";
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break;
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case '&':
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tmp += "&";
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break;
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case '>':
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tmp += ">";
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break;
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case '\r':
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tmp += " ";
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break;
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case '\n':
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tmp += " ";
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break;
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case '\t':
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tmp += "	";
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break;
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default:
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tmp += it;
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break;
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}
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}
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return tmp;
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}
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void Persistence::dumpToStream(std::ostream& stream, int compression)
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{
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// we need to close the zipstream to get a good result, the only way to do this is to delete the
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// ZipWriter. Hence the scope...
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{
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// create the writer
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Base::ZipWriter writer(stream);
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writer.setLevel(compression);
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writer.putNextEntry("Persistence.xml");
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writer.setMode("BinaryBrep");
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// save the content (we need to encapsulate it with xml tags to be able to read single
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// element xmls like happen for properties)
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writer.Stream() << "<Content>" << std::endl;
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Save(writer);
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writer.Stream() << "</Content>";
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writer.writeFiles();
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}
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}
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void Persistence::restoreFromStream(std::istream& stream)
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{
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zipios::ZipInputStream zipstream(stream);
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Base::XMLReader reader("", zipstream);
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if (!reader.isValid()) {
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throw Base::ValueError("Unable to construct reader");
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}
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reader.readElement("Content");
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Restore(reader);
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reader.readFiles(zipstream);
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restoreFinished();
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}
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