You should not use X("ñíñó"), as
XMLString::transcode assumes that the given
string is written in the current locale; if you
are not using a Spanish machine you will get
garbage Unicode characters (probably, '?') that
each output encoding will render with a character
entity. You should use the appropriate transcoder
to convert your strings into Unicode.
Alberto
At 13.26 14/07/2007 +0200, Kuisathaverat wrote:
I have used DOMWriter->WriteNode() to write documens
that previusly i parse and modify , with this
documents i no have problems with the output
characters in iso8859-1 or iso8859-15 or utf-8
encoding but when i make the document with
DOMImplementation the especial characteras as á or ñ
will lost in ther write to disk.
I make a short example to ilustrate it. The correct
output was :
<DocRoot>níñó
<Node id="1" desc="níñó" />
</DocRoot>
but i obtain :
in UTF-8
<?xml version="1.0" encoding="UTF-8" standalone="no"
?>
<DocRoot xmlns="">����
<Node desc="����"
id="1"/>
</DocRoot>
in iso8859-1
<?xml version="1.0" encoding="ISO-8859-1"
standalone="no" ?>
<DocRoot xmlns="">����
<Node desc="����"
id="1"/>
</DocRoot>
in iso8859-15
<?xml version="1.0" encoding="ISO-8859-15"
standalone="no" ?>
<DocRoot xmlns="">����
<Node desc="����"
id="1"/>
</DocRoot>
I know that i do some thin wrong but i do no know , i
search in mailllist but i no found solution or similar
problem.
it is the code
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sstream>
#include <iostream>
#include "xercesc/util/PlatformUtils.hpp"
#include "xercesc/util/TransService.hpp"
#include <xercesc/util/XMLString.hpp>
#include <xalanc/Include/PlatformDefinitions.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>
#include <xercesc/framework/LocalFileFormatTarget.hpp>
#include <xercesc/framework/MemBufInputSource.hpp>
#include
<xalanc/XercesParserLiaison/XercesDocumentWrapper.hpp>
#include
<xalanc/XercesParserLiaison/XercesWrapperNavigator.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/dom/DOMDocument.hpp>
#include <xercesc/sax/SAXParseException.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
#include <xercesc/util/XMLUni.hpp>
#include <xercesc/framework/StdInInputSource.hpp>
#include <xercesc/framework/StdOutFormatTarget.hpp>
#include <xercesc/framework/XMLBuffer.hpp>
#include <xercesc/dom/DOMElement.hpp>
#include <xercesc/dom/DOMWriter.hpp>
#include <xercesc/dom/DOMNodeList.hpp>
#include <xercesc/dom/DOMNode.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/parsers/SAXParser.hpp>
#include <xercesc/util/OutOfMemoryException.hpp>
#include <xercesc/sax/InputSource.hpp>
using namespace std;
using namespace XERCES_CPP_NAMESPACE;
#define X(p) xercesc::XMLString::transcode(p)
void initXerces(){
// Initialize the XML4C2 system
try
{
xercesc::XMLPlatformUtils::Initialize();
}
catch(const XMLException &toCatch)
{
XERCES_STD_QUALIFIER cerr << "Error during Xerces-c
Initialization.\n"
<< " Exception message:"
<< X(toCatch.getMessage()) <<
XERCES_STD_QUALIFIER endl;
throw std::runtime_error("Can No ini Xerces");
}
}
void endXerces(){
// Initialize the XML4C2 system
try
{
xercesc::XMLPlatformUtils::Terminate();
}
catch(const XMLException &toCatch)
{
XERCES_STD_QUALIFIER cerr << "Error during Xerces-c
Initialization.\n"
<< " Exception message:"
<< X(toCatch.getMessage()) <<
XERCES_STD_QUALIFIER endl;
throw std::runtime_error("Can No ini Xerces");
}
}
DOMDocument *createDocument(string sRootElem, string
sEncoding){
DOMImplementation* impl =
DOMImplementationRegistry::getDOMImplementation(X("Core"));
DOMDocument* pXMLDoc = NULL;
if (impl != NULL)
{
try
{
pXMLDoc = impl->createDocument(
0,
// root element namespace
URI.
X(sRootElem.c_str()), // root element name
0); // document type object
(DTD).
pXMLDoc->setEncoding(X(sEncoding.c_str()));
//
pXMLDoc->setActualEncoding(X(sEncoding.c_str()));
// pXMLDoc->setVersion(X("1.1"));
DOMText* pText =
pXMLDoc->createTextNode(X("ñíñó"));
pXMLDoc->getDocumentElement()->appendChild(pText);
}
catch (...)
{
throw std::runtime_error("Error: creating
document");
}
} // (inpl != NULL)
else
{
throw std::runtime_error("Error: no
implementation");
}
return pXMLDoc;
}
DOMElement *createNode(DOMDocument *pXMLDoc,string
sName){
DOMElement* pNode = NULL;
try{
pNode = pXMLDoc->createElement(X(sName.c_str()));
pXMLDoc->getDocumentElement()->appendChild(pNode);
}catch(...){}
return pNode;
}
void setAttr(DOMElement *pNodeElem,string sName,string
sValue){
pNodeElem->setAttribute(X(sName.c_str()),X(sValue.c_str()));
}
bool saveFile(DOMDocument *pXMLDoc,string
sFileName,string sEncoding){
bool bRet = true;
try
{
// get a serializer, an instance of DOMWriter
DOMImplementation *impl =
pXMLDoc->getImplementation();
DOMWriter *theSerializer =
impl->createDOMWriter();
// set user specified output encoding
theSerializer->setEncoding(X(sEncoding.c_str()));
// set feature if the serializer supports
the feature/mode
// if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTEntities,
true))
//
theSerializer->setFeature(XMLUni::fgDOMWRTEntities,
true);
// if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTNormalizeCharacters,
true))
//
theSerializer->setFeature(XMLUni::fgDOMWRTNormalizeCharacters,
true);
// if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTSplitCdataSections,
true))
//
theSerializer->setFeature(XMLUni::fgDOMWRTSplitCdataSections,
true);
// if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTDiscardDefaultContent,
true))
//
theSerializer->setFeature(XMLUni::fgDOMWRTDiscardDefaultContent,
true);
if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTFormatPrettyPrint,
true))
theSerializer->setFeature(XMLUni::fgDOMWRTFormatPrettyPrint,
true);
// if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTBOM,
true))
// theSerializer->setFeature(XMLUni::fgDOMWRTBOM,
true);
//
// Plug in a format target to receive the
resultant
// XML stream from the serializer.
//
// StdOutFormatTarget prints the resultant
XML stream
// to stdout once it receives any thing
from the serializer.
//
XMLFormatTarget *myFormTarget;
// myFormTarget = new
LocalFileFormatTarget(sFileName.c_str());
myFormTarget = new StdOutFormatTarget();
// get the DOM representation
pXMLDoc->normalizeDocument();
DOMNode *doc = (DOMNode
*)pXMLDoc;
//
// do the serialization through
DOMWriter::writeNode();
//
theSerializer->writeNode(myFormTarget, *doc);
delete theSerializer;
//
// Filter, formatTarget and error handler
// are NOT owned by the serializer.
//
delete myFormTarget;
}
catch (const OutOfMemoryException&)
{
XERCES_STD_QUALIFIER cerr << "OutOfMemoryException"
<< XERCES_STD_QUALIFIER endl;
bRet=false;
}
catch (XMLException& e)
{
XERCES_STD_QUALIFIER cerr << "An error occurred
during creation of output transcoder. Msg is:"
<< XERCES_STD_QUALIFIER endl
<<
X(e.getMessage()) << XERCES_STD_QUALIFIER endl;
bRet=false;
}
return bRet;
}
int main(int argc, char *argv[])
{
initXerces();
DOMDocument *pXMLDoc =
createDocument("DocRoot","UTF-8");
DOMElement *pNodeElem=0;
pNodeElem = createNode(pXMLDoc,"Node");
setAttr(pNodeElem,"id","1");
setAttr(pNodeElem,"desc","ñíñó");
saveFile(pXMLDoc,"/tmp/sample.xml","UTF-8");
saveFile(pXMLDoc,"/tmp/sample.xml","ISO-8859-1");
saveFile(pXMLDoc,"/tmp/sample.xml","ISO-8859-15");
endXerces();
return EXIT_SUCCESS;
}
Un Saludo
kuisathaverat
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