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QuestionDecrypt, validate and read large XML files Pin
abeaumont25-Feb-10 2:19
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AnswerRe: Decrypt, validate and read large XML files Pin
dan_fish26-Feb-10 0:54
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AnswerRe: Decrypt, validate and read large XML files Pin
nortee12-Dec-10 22:42
membernortee12-Dec-10 22:42 
You can try NativeXML[^].

abeaumont wrote:
Decrypt specific encrypted nodes in an XML file to a stream.

There is no real way of getting around this, however if I am not mistaken this class allows for events to fire when reading a node/attribute.

abeaumont wrote:
Validate specific nodes against specific schemas (typically this will be the decrypted nodes, which will have their contents described in a encrypted schema)

I haven't needed to use this feature for the component in question, but I suppose fiddling around with that shouldn't be too much of a problem, even if you have to do your manipulation via the component, then use the XML DOM to load the schema.

abeaumont wrote:
Parse large XML files (several hundreds MB's).

This would probably be more a case of the machine that the application will be running on and the efficiency of the XML traversal algorithm that the component uses. However, you must remember that traversing XML documents in itself tends to take longer based on the depth of the nodes. Expect delays in the region of something like:
TimeToLoad = ((XMLFileSize)^NodeDepth)/TraversalEfficiencyOfComponent

... or something to that effect. NOTE: This is a thumbsuck at best, but you will see what I basically mean when you load large XML files.


A plus of this component/class is the fact that it does not use the XML DOM at all... AND it is free... which to me is always a bonus Big Grin | :-D .

Hope this helps Smile | :)
Cheers,
Glen Vlotman
QFTD: "You cannot code for stupidity."

QuestionNeed help compiling a project Pin
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QuestionImplementing an Indy HTTP Server object in an Activex library Pin
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QuestionConvert Java Class to Delphi Pin
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Questioncomputer name, motherboard sn, harddisk sn Pin
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QuestionDraw a sphere in Delphi with geo-coordinate grid Pin
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