c++ dom parsing problem

hi every body i'm new to xercses C++dom parser.can anyone tell me

can we write our own getElementsBytagName,GetNodeValue etc function ? how to write these function and use them in my code ? can anybo开发者_高级运维dy explain me the process of Dom parsing?

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xerces provides methods like getElementsBytagName so you can use them in your application.

Have a look at xerces programming guide you can find there how to parse xml file and how to get elements and attributes.