vtd-xml-users

[Vtd-xml-users] Xpath Queries

[Ludovic M. <lmu...@ca...>]

Hi,=20

Let's say i've got this XML file:

<?xml version=3D'1=2E0' ?>

<a>

<b x=3D"y">100</b>

<c>

<d>200</d>

</c>

<c>

<d>300</d>

<d>400</d>

</c>

</a>

Using this code, to retreve nodes works fine:

if (selectXPath(ap,L"c"))

{

bind(ap,vn);

while(evalXPath(ap)!=3D -1)=20

{

l =3D getElementFragment(vn);

offset =3D (int) l;

len =3D (int) (l>>32);

fwrite((char *)(xml+offset),sizeof(UByte),len,fo);

fwrite((char *) sm,sizeof(UByte),strlen(sm),fo);

}=20

}

I get my two nodes, but if my xpath query becomes b/text() for exemple I=
 dont' get what I should=2E

Other example if my xpath query is b\@x i don't get what I should

What is the "normal" way to get correct return for all xpath query ?

Should I test my query to use one code or another code ?

I'll be glad if someone could send/tell me how to print, let's say=
 fprintf(stdout,"%ls",answerToMyQuery); the correct answer to all my xpath=
 queries=2E

Tks


This message contains information that may be privileged or confidential=
 and is the property of the Capgemini Group=2E It is intended only for the=
 person to whom it is addressed=2E If you are not the intended recipient, =
 you are not authorized to read, print, retain, copy, disseminate, =
 distribute, or use this message or any part thereof=2E If you receive this=
  message in error, please notify the sender immediately and delete all =
 copies of this message=2E

Re: [Vtd-xml-users] Xpath Queries

[Jimmy Z. <cra...@co...>]

I will investigate and get back to you soon...
  ----- Original Message -----=20
  From: Ludovic MUSSIER=20
  To: vtd...@li...=20
  Sent: Monday, February 05, 2007 8:24 AM
  Subject: [Vtd-xml-users] Xpath Queries


  Hi,=20

  Let's say i've got this XML file:

  <?xml version=3D'1.0' ?>

  <a>

  <b x=3D"y">100</b>

  <c>

  <d>200</d>

  </c>

  <c>

  <d>300</d>

  <d>400</d>

  </c>

  </a>

  Using this code, to retreve nodes works fine:

  if (selectXPath(ap,L"c"))

  {

  bind(ap,vn);

  while(evalXPath(ap)!=3D -1)=20

  {

  l =3D getElementFragment(vn);

  offset =3D (int) l;

  len =3D (int) (l>>32);

  fwrite((char *)(xml+offset),sizeof(UByte),len,fo);

  fwrite((char *) sm,sizeof(UByte),strlen(sm),fo);

  }=20

  }

  I get my two nodes, but if my xpath query becomes b/text() for exemple =
I dont' get what I should.

  Other example if my xpath query is b\@x i don't get what I should

  What is the "normal" way to get correct return for all xpath query ?

  Should I test my query to use one code or another code ?

  I'll be glad if someone could send/tell me how to print, let's say =
fprintf(stdout,"%ls",answerToMyQuery); the correct answer to all my =
xpath queries.

  Tks

        This message contains information that may be privileged or =
confidential and is the property of the Capgemini Group. It is intended =
only for the person to whom it is addressed. If you are not the intended =
recipient, you are not authorized to read, print, retain, copy, =
disseminate, distribute, or use this message or any part thereof. If you =
receive this message in error, please notify the sender immediately and =
delete all copies of this message.

      =20



-------------------------------------------------------------------------=
-----


  =
-------------------------------------------------------------------------=

  Using Tomcat but need to do more? Need to support web services, =
security?
  Get stuff done quickly with pre-integrated technology to make your job =
easier.
  Download IBM WebSphere Application Server v.1.0.1 based on Apache =
Geronimo
  =
http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat=3D=
121642


-------------------------------------------------------------------------=
-----


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  Vtd-xml-users mailing list
  Vtd...@li...
  https://lists.sourceforge.net/lists/listinfo/vtd-xml-users

Re: [Vtd-xml-users] Xpath Queries

[Jimmy Z. <cra...@co...>]

Ok, after looking at your code closely I think I know what causes
the problems that you have...=20

GetElementFragment() is a function that will get you the offset
and length of a selected element...

when you use xpath to select a text node or attr val, you ought to
select the offset and length of the text token and attrbute value token,
*not* the offset and length of the containg element...

so I recommend that instead of using

while(evalXPath(ap)!=3D -1)=20

do=20

int i;

while ((i=3DevalXPath(ap))!=3D -1){

  // here to check the token type of i

  if (getTokenType(vn, i) =3D=3D ELEMENT){

        // get token type

  } else {

        int offset =3D getTokenOffset(vn, i);

       int len =3D getTokenLength(vn, i);

  }

}

  ----- Original Message -----=20
  From: Ludovic MUSSIER=20
  To: vtd...@li...=20
  Sent: Monday, February 05, 2007 8:24 AM
  Subject: [Vtd-xml-users] Xpath Queries


  Hi,=20

  Let's say i've got this XML file:

  <?xml version=3D'1.0' ?>

  <a>

  <b x=3D"y">100</b>

  <c>

  <d>200</d>

  </c>

  <c>

  <d>300</d>

  <d>400</d>

  </c>

  </a>

  Using this code, to retreve nodes works fine:

  if (selectXPath(ap,L"c"))

  {

  bind(ap,vn);

  while(evalXPath(ap)!=3D -1)=20

  {

  l =3D getElementFragment(vn);

  offset =3D (int) l;

  len =3D (int) (l>>32);

  fwrite((char *)(xml+offset),sizeof(UByte),len,fo);

  fwrite((char *) sm,sizeof(UByte),strlen(sm),fo);

  }=20

  }

  I get my two nodes, but if my xpath query becomes b/text() for exemple =
I dont' get what I should.

  Other example if my xpath query is b\@x i don't get what I should

  What is the "normal" way to get correct return for all xpath query ?

  Should I test my query to use one code or another code ?

  I'll be glad if someone could send/tell me how to print, let's say =
fprintf(stdout,"%ls",answerToMyQuery); the correct answer to all my =
xpath queries.

  Tks

        This message contains information that may be privileged or =
confidential and is the property of the Capgemini Group. It is intended =
only for the person to whom it is addressed. If you are not the intended =
recipient, you are not authorized to read, print, retain, copy, =
disseminate, distribute, or use this message or any part thereof. If you =
receive this message in error, please notify the sender immediately and =
delete all copies of this message.

      =20



-------------------------------------------------------------------------=
-----


  =
-------------------------------------------------------------------------=

  Using Tomcat but need to do more? Need to support web services, =
security?
  Get stuff done quickly with pre-integrated technology to make your job =
easier.
  Download IBM WebSphere Application Server v.1.0.1 based on Apache =
Geronimo
  =
http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat=3D=
121642


-------------------------------------------------------------------------=
-----


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  Vtd-xml-users mailing list
  Vtd...@li...
  https://lists.sourceforge.net/lists/listinfo/vtd-xml-users