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// compile: clang++ -o validating-xml-sample validating-xml-sample.cpp -I ../../include/ ../../lib/libzeep-xml.a ../../lib/libzeep-generic.a -std=c++17 -lstdc++fs -I ~/projects/boost_1_73_0/ && ./validating-xml-sample
//[ xml_validation_sample
#include <filesystem>
#include <fstream>
#include <zeep/xml/document.hpp>
namespace fs = std::filesystem;
int main()
{
/*<< Define an entity loader function >>*/
auto loader = []
(const std::string& base, const std::string& pubid, const std::string& sysid) -> std::istream*
{
if (base == "." and pubid.empty() and fs::exists(sysid))
return new std::ifstream(sysid);
throw std::invalid_argument("Invalid arguments passed in loader");
};
/*<< Create document and set the entity loader >>*/
zeep::xml::document doc;
doc.set_entity_loader(loader);
/*<< Read a file >>*/
std::ifstream is("sample.xml");
is >> doc;
using namespace zeep::xml::literals;
/*<< Compare the doc with an in-memory constructed document, note that spaces are ignored >>*/
if (doc == R"(<foo><bar>Hello, world!</bar></foo>)"_xml)
std::cout << "ok" << std::endl;
return 0;
}
//]
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