Hello Alberto,
Can you please let me know if there is a problem as below with
the transcode function of Xerces
Regards,
Pranav
-----Original Message-----
From: Pranav, Savkur
Sent: Monday, June 25, 2007 5:44 PM
To: ext Alberto Massari
Cc: [email protected]
Subject: RE: FW: XMLString::transcode throws exception
hello Alberto,
Even calling XMLPlatformUtils::Initialize at the main thread
does not solve the problem.
Now I'm calling this in my CServiceModule::Run function which means its
getting called only once but
XERCES_CPP_NAMESPACE::XMLString::transcode("LS", tempStr, 3999); throws
an exception
Is this problem known?
Regards.
Pranav
-----Original Message-----
From: ext Alberto Massari [mailto:[EMAIL PROTECTED]
Sent: Tuesday, June 12, 2007 8:06 PM
To: Pranav, Savkur
Cc: [email protected]
Subject: RE: FW: XMLString::transcode throws exception
So now it turns out that this method is actually one of multiple
threads?
XMLPlatformUtils::Initialize needs to be called only once at the main
thread
Alberto
At 19.56 12/06/2007 +0530, Pranav, Savkur wrote:
>Yes I have called that just before the tempstr
>
>XERCES_CPP_NAMESPACE::XMLPlatformUtils::Initialize();
>XMLCh tempStr[4000];
>XERCES_CPP_NAMESPACE::XMLString::transcode("LS", tempStr, 3999);
>
>
>Exception appears to be occuring in case this function is called within
>the space of one second. i.e 2 threads executing one after the other in
>this function...
>
>-----Original Message-----
>From: ext Alberto Massari [mailto:[EMAIL PROTECTED]
>Sent: Tuesday, June 12, 2007 7:54 PM
>To: Pranav, Savkur
>Cc: [email protected]
>Subject: RE: FW: XMLString::transcode throws exception
>
>Oh, well, this is a whole different issue.... have you called
>XMLPlatformUtils::Initialize?
>
>Alberto
>
>At 18.05 12/06/2007 +0530, Pranav, Savkur wrote:
> >Hello Alberto,
> >
> > thanks for the reply.
> >
> >But the exception was being raised in the first call to transcode
> >itself:
> >
> >XERCES_CPP_NAMESPACE::XMLString::transcode("LS", tempStr, 3999);
> >
> >i.e much before the createDOMWriter is called on the
> >DOMImplementation object.
> >
> >Will this change solve that problem too?
> >
> >Regards,
> >Pranav
> >
> >
> >-----Original Message-----
> >From: ext Alberto Massari [mailto:[EMAIL PROTECTED]
> >Sent: Tuesday, June 12, 2007 4:56 PM
> >To: Pranav, Savkur
> >Cc: [email protected]
> >Subject: RE: FW: XMLString::transcode throws exception
> >
> >At 16.36 12/06/2007 +0530, Pranav, Savkur wrote:
> > >Hello Alberto,
> > > My code is like:
> > >
> > >XMLCh tempStr[4000];
> > > XERCES_CPP_NAMESPACE::XMLString::transcode("LS", tempStr, 3999);
> > >
> > >XERCES_CPP_NAMESPACE::DOMImplementation *impl =
> > >XERCES_CPP_NAMESPACE::DOMImplementationRegistry::getDOMImplementati
> > >on
> > >(t
> > >e
> > >mpStr);
> > >
> > >pSerializer =
> > >((XERCES_CPP_NAMESPACE::DOMImplementationLS*)impl)->createDOMWriter
> > >()
> > >;
> > >
> > > if(0 != pSerializer)
> > > {
> > >
> > >
> > > XMLCh* pCh =
>pSerializer->writeToString(*p_pDOMNode);
> > > char *msg =
> > >XERCES_CPP_NAMESPACE::XMLString::transcode(pCh);
> > > CString strRetVal = msg;
> > > }
> > >
> > >And in line number 2, I observe generic exception being thrown...
> > >This is once in about 10-15 calls.
> > >
> > >Can you tell me where I can call the SetEncoding API here please
> > >
> > >My intention is to convert a XERCES_CPP_NAMESPACE::DOMNode * into a
> > >Cstring
> >
> >
> >pSerializer =
> >((XERCES_CPP_NAMESPACE::DOMImplementationLS*)impl)->createDOMWriter()
> >;
> >
> >if(0 != pSerializer)
> >{
> >
> >pSerializer->setEncoding(XERCES_CPP_NAMESPACE::XMLUni::fgUTF8Encoding
> >pSerializer->St
> >pSerializer->r
> >ing);
> > XERCES_CPP_NAMESPACE::MemBufFormatTarget target;
> > pSerializer->writeNode(&target, *p_pDOMNode);
> > strRetVal = (const char*)target.getRawBuffer(); }
> >
> >Alberto
> >
> >
> >
> > >Regards,
> > >Pranav
> > >-----Original Message-----
> > >From: ext Alberto Massari [mailto:[EMAIL PROTECTED]
> > >Sent: Monday, June 04, 2007 1:32 PM
> > >To: Pranav, Savkur
> > >Cc: [email protected]
> > >Subject: RE: FW: XMLString::transcode throws exception
> > >
> > >At 12.44 04/06/2007 +0530, Pranav, Savkur wrote:
> > > >Hello Alberto,
> > > > thanks for the reply.
> > > >Do I use UTF-8 as the parameter when I call the setEncoding API?
> > >
> > >Yes, use L"UTF-8"
> > >
> > >Alberto
> > >
> > >
> > > >Regards,
> > > >Pranav
> > > >
> > > >-----Original Message-----
> > > >From: ext Alberto Massari [mailto:[EMAIL PROTECTED]
> > > >Sent: Saturday, June 02, 2007 12:26 AM
> > > >To: Pranav, Savkur
> > > >Cc: [email protected]
> > > >Subject: RE: FW: XMLString::transcode throws exception
> > > >
> > > >At 18.55 01/06/2007 +0530, Pranav, Savkur wrote:
> > > > >Hello Alberto,
> > > > >
> > > > > thanks for the info!
> > > > >The CSTring is returned from the function and parsed at a later
> > > > >point
> > >
> > > > >in time again...
> > > > >Do you see any probs with that?
> > > >
> > > >If you are going to parse the CString, use UTF-8, at least it
> > > >will not change the XML to include character references.
> > > >
> > > >Alberto
> > > >
> > > >
> > > > >Regards,
> > > > >Pranav
> > > > >
> > > > >-----Original Message-----
> > > > >From: ext Alberto Massari [mailto:[EMAIL PROTECTED]
> > > > >Sent: Friday, June 01, 2007 6:11 PM
> > > > >To: Pranav, Savkur
> > > > >Cc: [email protected]
> > > > >Subject: RE: FW: XMLString::transcode throws exception
> > > > >
> > > > >At 18.00 01/06/2007 +0530, Pranav, Savkur wrote:
> > > > > >Hello Alberto,
> > > > > > thank you for the reply.
> > > > > >What is the parameter that must be passed to this setEncoding
> > > >function?
> > > > >
> > > > >I would try with ISO-8859-1, but it depends on what you are
> > > > >planning to
> > > >
> > > > >do later with that CString....
> > > > >
> > > > >Alberto
> > > > >
> > > > > >Regards,
> > > > > >Pranav
> > > > > >
> > > > > >-----Original Message-----
> > > > > >From: ext Alberto Massari [mailto:[EMAIL PROTECTED]
> > > > > >Sent: Friday, June 01, 2007 5:52 PM
> > > > > >To: Pranav, Savkur
> > > > > >Cc: [email protected]
> > > > > >Subject: Re: FW: XMLString::transcode throws exception
> > > > > >
> > > > > >Hi Pranav,
> > > > > >I haven't seen this message on the c-users mailing list (but
> > > > > >I am
> >
> > > > > >cc-ing it now).
> > > > > >The reason for an exception in XMLString::transcode could be
> > > > > >that
> >
> > > > > >the
> > > >
> > > > > >string cannot be converted into the current locale; have you
> > > > > >tried using DOMWriter::setEncoding to force your desired
> > > > > >final encoding, then
> > > > >
> > > > > >invoking DOMWriter::writeNode using a MemBufFormatTarget as
> > > > >destination?
> > > > > >
> > > > > >Alberto
> > > > > >
> > > > > >At 17.31 01/06/2007 +0530, Pranav, Savkur wrote:
> > > > > >
> > > > > > > Hello Alberto,
> > > > > > >
> > > > > > > I had mailed this to the mailing list but its
> > > > > > > probably
> >
> > > > > > > not
> > > > > >sent.
> > > > > > >Can you pls help me with this
> > > > > > >
> > > > > > >Regards,
> > > > > > >Pranav
> > > > > > >
> > > > > > > We're using Xerces for C++
> > > > > > >
> > > > > > > Our code is like:
> > > > > > >
> > > > > > > XMLCh tempStr[4000];
> > > > > > > XERCES_CPP_NAMESPACE::XMLString::transcode("LS", tempStr,
> > > > > > > 3999);
> > > > > > >
> > > > > > >XERCES_CPP_NAMESPACE::DOMImplementation *impl =
> > > > > > >XERCES_CPP_NAMESPACE::DOMImplementationRegistry::getDOMImpl
> > > > > > >em
> > > > > > >en
> > > > > > >ta
> > > > > > >ti
> > > > > > >on
> > > > > > >(t
> > > > > > >e
> > > > > > >mpStr);
> > > > > > >
> > > > > > >pSerializer =
> > > > > > >((XERCES_CPP_NAMESPACE::DOMImplementationLS*)impl)->createD
> > > > > > >OM
> > > > > > >Wr
> > > > > > >it
> > > > > > >er
> > > > > > >()
> > > > > > >;
> > > > > > >
> > > > > > > if(0 != pSerializer)
> > > > > > > {
> > > > > > >
> > > > > > >
> > > > > > > XMLCh* pCh =
> > > > >pSerializer->writeToString(*p_pDOMNode);
> > > > > > > char *msg =
> > > > > > >XERCES_CPP_NAMESPACE::XMLString::transcode(pCh);
> > > > > > > CString strRetVal = msg;
> > > > > > > }
> > > > > > >
> > > > > > >
> > > > > > >But the call to transcode in line 2 is causing a generic
> > >exception.
> > > > > > >Can you pls tell me what the reason could be? If the code
> > > > > > >is wrong or
> > > > >
> > > > > > >something?
> > > > > > >This seems to be an intermittent behavior and does not
> > > > > > >happen
>
> > > > > > >always
> > > > > > >
> > > > > > >I have also tried this with:
> > > > > > >
> > > > > > >XERCES_CPP_NAMESPACE::DOMImplementation* impl =
> > > > > > >XERCES_CPP_NAMESPACE::DOMImplementationRegistry::getDOMImpl
> > > > > > >em
> > > > > > >en
> > > > > > >ta ti on (X E
> > > > > > >RCES_CPP_NAMESPACE::XMLString::transcode("Core"));
> > > > > > >
> > > > > > >pSerializer =
> > > > > > >((XERCES_CPP_NAMESPACE::DOMImplementationLS*)impl)->createD
> > > > > > >OM
> > > > > > >Wr
> > > > > > >it
> > > > > > >er
> > > > > > >()
> > > > > > >;
> > > > > > >
> > > > > > >if(0 != pSerializer)
> > > > > > > {
> > > > > > >
> > > > > > >
> > > > > > > XMLCh* pCh =
> > > > >pSerializer->writeToString(*p_pDOMNode);
> > > > > > > char *msg =
> > > > > > >XERCES_CPP_NAMESPACE::XMLString::transcode(pCh);
> > > > > > > CString strRetVal = msg;
> > > > > > > }
> > > > > > >
> > > > > > >With the same result.
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >Regards,
> > > > > > >Pranav
> > > > > > >
> > > > > > >
> > > > > > >
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