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From Alberto Massari <amass...@datadirect.com>
Subject Re: serialise to memory, parse back in from memory
Date Mon, 21 Jul 2008 09:03:24 GMT
Daniel Burrell wrote:
> Hi Alberto,
>
> Thanks for the quick reply.
>
> So to write out to memory I used
> XMLFormatTarget *myFormTarget;
> myFormTarget = new MemBufFormatTarget();
> theSerializer->writeNode(myFormTarget, *doc);
>
> This seems to have worked, problem is now reading back in.
>
> You say to read in I use MemBufInputSource object, but I am confused as to
> how I get the MemBufInputSource  to point to the MemBufFormatTarget
> (myFormTarget) which contains the data I wrote earlier.
> Are they interchangable?
>
> To clarify, I have written the data to myFormTarget, of type
> MemBufFormatTarget.
> now I want to read it back in using myinput of type MemBufInputSource
> but how can I get myinput to source the input from myFormTarget?
>
>   


MemBufInputSource is(myFormTarget->getRawBuffer(), 
myFormTarget->getLen(), "");
theParser->parse(is);

Alberto

> On Mon, Jul 21, 2008 at 9:20 AM, Alberto Massari <amassari@datadirect.com>
> wrote:
>
>   
>> Daniel Burrell wrote:
>>
>>     
>>> So I understand it is possible to parse an xml file from a location on
>>> disk
>>> using:
>>> parser->parse(gXmlFile);
>>> where gXmlFile is the file location.
>>>
>>> I would like to serialise the contents of dom to 'memory' rather than
>>> disk,
>>> then parse it back in from memory
>>>
>>> Is this possible?
>>>
>>>       
>> In order to save to memory, you can use DOMWriter::writeToString (that
>> always saves using UTF-16) or DOMWriter::writeNode using as XMLFormatTarget
>> an instance of MemBufFormatTarget (in this case, the encoding can be
>> specified using DOMWriter::setEncoding). As for loading back from the memory
>> buffer, you can use the parse(InputSource&) overload, using a
>> MemBufInputSource object wrapping your data.
>>
>> Alberto
>>
>>
>>     
>
>   


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