170 lines
6.3 KiB
C++
170 lines
6.3 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 <xercesc/sax/SAXParseException.hpp>
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# include <xercesc/sax/SAXException.hpp>
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# include <xercesc/sax2/XMLReaderFactory.hpp>
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#endif
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// ---------------------------------------------------------------------------
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// Includes
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// ---------------------------------------------------------------------------
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#include <xercesc/util/Janitor.hpp>
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#include <xercesc/util/PlatformUtils.hpp>
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#include <xercesc/util/XMLExceptMsgs.hpp>
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#include <xercesc/util/XMLString.hpp>
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#include <xercesc/util/PlatformUtils.hpp>
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#include <xercesc/util/XMLString.hpp>
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#include <xercesc/util/XMLUniDefs.hpp>
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/// Here the FreeCAD includes sorted by Base,App,Gui......
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#include "InputSource.h"
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#include "Exception.h"
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#include "XMLTools.h"
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XERCES_CPP_NAMESPACE_USE
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using namespace Base;
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using namespace std;
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// ---------------------------------------------------------------------------
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// StdInputStream: Constructors and Destructor
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// ---------------------------------------------------------------------------
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StdInputStream::StdInputStream( std::istream& Stream, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* const manager )
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: stream(Stream), fMemoryManager(manager)
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{
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state.flags |= QTextCodec::IgnoreHeader;
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state.flags |= QTextCodec::ConvertInvalidToNull;
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}
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StdInputStream::~StdInputStream()
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{
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}
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// ---------------------------------------------------------------------------
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// StdInputStream: Implementation of the input stream interface
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// ---------------------------------------------------------------------------
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#if (XERCES_VERSION_MAJOR == 2)
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unsigned int StdInputStream::curPos() const
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{
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return stream.tellg();
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}
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unsigned int StdInputStream::readBytes( XMLByte* const toFill, const unsigned int maxToRead )
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{
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//
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// Read up to the maximum bytes requested. We return the number
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// actually read.
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//
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stream.read((char *)toFill,maxToRead);
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XMLSize_t len = stream.gcount();
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QTextCodec *codec = QTextCodec::codecForName("UTF-8");
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const QString text = codec->toUnicode((char *)toFill, len, &state);
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if (state.invalidChars > 0) {
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// In case invalid characters were found decode back to 'utf-8' and replace
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// them with '?'
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// First, Qt replaces invalid characters with '\0' (see ConvertInvalidToNull)
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// but Xerces doesn't like this because it handles this as termination. Thus,
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// we have to go through the array and replace '\0' with '?'.
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XMLSize_t pos = 0;
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QByteArray ba = codec->fromUnicode(text);
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for (int i=0; i<ba.length(); i++, pos++) {
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if (pos < len && ba[i] == '\0')
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toFill[i] = '?';
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}
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}
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return len;
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}
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#else
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XMLFilePos StdInputStream::curPos() const
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{
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return stream.tellg();
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}
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XMLSize_t StdInputStream::readBytes( XMLByte* const toFill, const XMLSize_t maxToRead )
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{
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//
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// Read up to the maximum bytes requested. We return the number
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// actually read.
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//
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stream.read((char *)toFill,maxToRead);
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XMLSize_t len = stream.gcount();
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QTextCodec *codec = QTextCodec::codecForName("UTF-8");
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const QString text = codec->toUnicode((char *)toFill, len, &state);
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if (state.invalidChars > 0) {
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// In case invalid characters were found decode back to 'utf-8' and replace
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// them with '?'
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// First, Qt replaces invalid characters with '\0' (see ConvertInvalidToNull)
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// but Xerces doesn't like this because it handles this as termination. Thus,
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// we have to go through the array and replace '\0' with '?'.
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XMLSize_t pos = 0;
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QByteArray ba = codec->fromUnicode(text);
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for (int i=0; i<ba.length(); i++, pos++) {
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if (pos < len && ba[i] == '\0')
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toFill[i] = '?';
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}
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}
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return len;
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}
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#endif
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// ---------------------------------------------------------------------------
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// StdInputSource: Constructors and Destructor
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// ---------------------------------------------------------------------------
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StdInputSource::StdInputSource ( std::istream& Stream, const char* filePath, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* const manager )
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: InputSource(manager),stream(Stream)
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{
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// we have to set the file name in case an error occurs
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XStr tmpBuf(filePath);
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setSystemId(tmpBuf.unicodeForm());
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}
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StdInputSource::~StdInputSource()
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{
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}
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// ---------------------------------------------------------------------------
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// StdInputSource: InputSource interface implementation
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// ---------------------------------------------------------------------------
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BinInputStream* StdInputSource::makeStream() const
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{
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StdInputStream* retStrm = new StdInputStream(stream /*, getMemoryManager()*/);
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return retStrm;
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}
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