Pequeno exemplo da utilização do RapidXML

rapid.cpp

#include <iostream>
#include <fstream>
#include <sstream>
#include <rapidxml/rapidxml.hpp>
#include <rapidxml/rapidxml_utils.hpp>

void bufferize(char* file_name, char*& buffer, size_t& size){
	//tamanho
	FILE* file = fopen(file_name, "r");
	fseek(file, 0L, SEEK_END);
	size = ftell(file);
	fseek(file, 0L, SEEK_SET);

	//lê do arquivo
	buffer = new char[size + 1];
	fread(buffer, sizeof(char), size, file);
	buffer[size] = 0;
}


void foreach_node( rapidxml::xml_node<>* node, void (*func)(rapidxml::xml_node<>*, int), int indent=0 ){
	if(node){
		func(node, indent);
		
		rapidxml::xml_node<>* i;

		for(i=node->first_node(); i ; i = i->next_sibling()){
			foreach_node( i, func, indent+1);
		}
	}
}

void print_attr(rapidxml::xml_node<>* node, int indent){

	std::string tab;

	for (int i=0; i< indent; i++){
		tab += "\t";
	}
	
	std::cout << tab << "Oi eu sou o " << node->name() << std::endl;
	std::cout << tab << "Se eu tenho valor? " << node->value() << std::endl;

	rapidxml::xml_attribute<>* attr;
	for(attr = node->first_attribute(); attr; attr = attr->next_attribute()){
		std::cout << tab  << attr->name() << ": " << attr->value() << std::endl;
	}

}

int main(int argc, char* argv[]){
	if(argc != 2) return 1;
	rapidxml::file<> file(argv[1]);

	//rapidxml
	rapidxml::xml_document<> doc;
	doc.parse<0>(file.data());


	rapidxml::xml_node<>* root = doc.first_node();

	foreach_node(root, print_attr);

	return 0;
}