How to get the attribute value in integer format

[baranidharan <ba...@sifycorp.com>]

Hi all,
 
 char *value;
 DOMElement* elem = (DOMElement*) nodexml;
 XMLCh *xname = XMLString::transcode("id");
 value = XMLString::transcode(elem->getAttribute(xname));
 printf("id =%s\n",value);
 
In the above program , i am getting the attribute value in string 
fornat, but i need the integer format , how to get that , which xerecs 
c++ function i have to use.

Thanks,
Barani

 


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Re: How to get the attribute value in integer format

[David Bertoni <db...@apache.org>]

baranidharan wrote:
> Hi all,
> 
> char *value;
> DOMElement* elem = (DOMElement*) nodexml;
> XMLCh *xname = XMLString::transcode("id");
> value = XMLString::transcode(elem->getAttribute(xname));
> printf("id =%s\n",value);
> 
> In the above program , i am getting the attribute value in string 
> fornat, but i need the integer format , how to get that , which xerecs 
> c++ function i have to use.
You can use the XSValue class to do this.  Take a look at 
src/xercesc/framework/psvi/XSValue.hpp:

/**
   * Get the actual value, in the form of XSValue, for a given string of the
   * data type specified
   *
   * Client application is responsible for the deleletion of the XSValue 
returned.
   *
   * @param  content    raw data
   * @param  datatype   schema datatype
   * @param  status     validation status which is set upon validation fails
   * @param  version    xml version
   * @param  toValidate to validate the content before generate actual value
   * @param  manager    memory manager provided
   */
static
XSValue* getActualValue
          (
             const XMLCh*          const content
           ,       DataType              datatype
           ,       Status&               status
           ,       XMLVersion            version    = ver_10
           ,       bool                  toValidate = true
           ,       MemoryManager*  const manager    = 
XMLPlatformUtils::fgMemoryManager
          );

The XSValue instance returned will have the actual value in its fData 
member.  You will need to make sure you access the appropriate field of 
the union.

Dave

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