FreeCAD/src/Base/XMLTools.h

296 lines
9.3 KiB
C++

/***************************************************************************
* (c) Jürgen Riegel (juergen.riegel@web.de) *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License (LGPL) *
* as published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* for detail see the LICENCE text file. *
* *
* FreeCAD is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with FreeCAD; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
* *
* Juergen Riegel 2002 *
***************************************************************************/
#ifndef BASE_XMLTOOLS_H
#define BASE_XMLTOOLS_H
// Std. configurations
// Include files
#include <memory>
#include <iostream>
#include <xercesc/util/XercesDefs.hpp>
#include <xercesc/util/XercesVersion.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/util/TransService.hpp>
#include <Base/Exception.h>
XERCES_CPP_NAMESPACE_BEGIN
class DOMNode;
class DOMElement;
class DOMDocument;
XERCES_CPP_NAMESPACE_END
//**************************************************************************
//**************************************************************************
// StrXLocal
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
class StrX
{
public :
StrX(const XMLCh* const toTranscode);
~StrX();
/// Getter method
const char* c_str() const;
private :
// This is the local code page form of the string.
char* fLocalForm;
};
inline std::ostream& operator<<(std::ostream& target, const StrX& toDump)
{
target << toDump.c_str();
return target;
}
inline StrX::StrX(const XMLCh* const toTranscode)
{
// Call the private transcoding method
fLocalForm = XERCES_CPP_NAMESPACE_QUALIFIER XMLString::transcode(toTranscode);
//#ifdef FC_OS_WIN32
// assert(0)
// WideCharToMultiByte(CP_UTF8,0,toTranscode,-1,fLocaleForm)
//#else
// fUnicodeForm = XERCES_CPP_NAMESPACE_QUALIFIER XMLString::transcode(toTranscode);
//#endif
}
inline StrX::~StrX()
{
//delete [] fLocalForm; // dont work on VC7.1
XERCES_CPP_NAMESPACE_QUALIFIER XMLString::release(&fLocalForm);
}
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
inline const char* StrX::c_str() const
{
return fLocalForm;
}
//**************************************************************************
//**************************************************************************
// StrXUTF-8
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
class StrXUTF8
{
public :
StrXUTF8(const XMLCh* const toTranscode);
/// Getter method
const char* c_str() const;
/// string which holds the UTF-8 form
std::string str;
static void terminate();
private :
static std::unique_ptr<XERCES_CPP_NAMESPACE::XMLTranscoder> transcoder;
// This is the local code page form of the string.
};
inline std::ostream& operator<<(std::ostream& target, const StrXUTF8& toDump)
{
target << toDump.c_str();
return target;
}
inline StrXUTF8::StrXUTF8(const XMLCh* const toTranscode)
{
XERCES_CPP_NAMESPACE_USE;
if(!transcoder.get()){
XMLTransService::Codes res;
transcoder.reset(XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgTransService->makeNewTranscoderFor(XERCES_CPP_NAMESPACE_QUALIFIER XMLRecognizer::UTF_8, res, 4096, XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager));
if (res != XMLTransService::Ok)
throw Base::Exception("Cant create UTF-8 encoder in StrXUTF8::StrXUTF8()");
}
//char outBuff[128];
static XMLByte outBuff[128];
#if (XERCES_VERSION_MAJOR == 2)
unsigned int outputLength;
unsigned int eaten = 0;
unsigned int offset = 0;
unsigned int inputLength = XMLString::stringLen(toTranscode);
#else
XMLSize_t outputLength;
XMLSize_t eaten = 0;
XMLSize_t offset = 0;
XMLSize_t inputLength = XMLString::stringLen(toTranscode);
#endif
while (inputLength)
{
outputLength = transcoder->transcodeTo(toTranscode + offset, inputLength, outBuff, 128, eaten, XMLTranscoder::UnRep_RepChar);
str.append((const char*)outBuff, outputLength);
offset += eaten;
inputLength -= eaten;
}
}
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
inline const char* StrXUTF8::c_str() const
{
return str.c_str();
}
//**************************************************************************
//**************************************************************************
// XStr
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
class XStr
{
public :
/// Constructors and Destructor
XStr(const char* const toTranscode);
///
~XStr();
/// Getter method
const XMLCh* unicodeForm() const;
private :
/// This is the Unicode XMLCh format of the string.
XMLCh* fUnicodeForm;
};
inline XStr::XStr(const char* const toTranscode)
{
// Call the private transcoding method
//#ifdef FC_OS_WIN32
// assert(0)
// WideCharToMultiByte()
//#else
fUnicodeForm = XERCES_CPP_NAMESPACE_QUALIFIER XMLString::transcode(toTranscode);
//#endif
}
inline XStr::~XStr()
{
//delete [] fUnicodeForm;
XERCES_CPP_NAMESPACE_QUALIFIER XMLString::release(&fUnicodeForm);
}
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
inline const XMLCh* XStr::unicodeForm() const
{
return fUnicodeForm;
}
//**************************************************************************
//**************************************************************************
// XUTF-8Str
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
class XUTF8Str
{
public :
XUTF8Str(const char* const fromTranscode);
~XUTF8Str();
/// Getter method
const XMLCh* unicodeForm() const;
static void terminate();
private :
std::basic_string<XMLCh> str;
static std::unique_ptr<XERCES_CPP_NAMESPACE::XMLTranscoder> transcoder;
};
inline XUTF8Str::XUTF8Str(const char* const fromTranscode)
{
if (!fromTranscode)
return;
XERCES_CPP_NAMESPACE_USE;
if(!transcoder.get()){
XMLTransService::Codes res;
transcoder.reset(XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgTransService->makeNewTranscoderFor(XERCES_CPP_NAMESPACE_QUALIFIER XMLRecognizer::UTF_8, res, 4096, XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager));
if (res != XMLTransService::Ok)
throw Base::Exception("Cant create UTF-8 decoder in XUTF8Str::XUTF8Str()");
}
static XMLCh outBuff[128];
XMLByte* xmlBytes = (XMLByte*)fromTranscode;
#if (XERCES_VERSION_MAJOR == 2)
unsigned int outputLength;
unsigned int eaten = 0;
unsigned int offset = 0;
unsigned int inputLength = std::string(fromTranscode).size();
#else
XMLSize_t outputLength;
XMLSize_t eaten = 0;
XMLSize_t offset = 0;
XMLSize_t inputLength = std::string(fromTranscode).size();
#endif
unsigned char* charSizes = new unsigned char[inputLength];
while (inputLength)
{
outputLength = transcoder->transcodeFrom(xmlBytes + offset, inputLength, outBuff, 128, eaten, charSizes);
str.append(outBuff, outputLength);
offset += eaten;
inputLength -= eaten;
}
delete[] charSizes;
}
inline XUTF8Str::~XUTF8Str()
{
}
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
inline const XMLCh* XUTF8Str::unicodeForm() const
{
return str.c_str();
}
#endif // BASE_XMLTOOLS_H