src/xml_test.cpp


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#include <iostream>
#include <string>
using namespace std;

#include "xml.hpp"

class MyXML : public XML {
	public:
		explicit MyXML(ostream& out, size_t indent = 4)
			: pout_(&out)
			, depth_(0)
			, indent_(indent)
		{
		}

	protected:
		void handle_start(const string& name, const vector<pair<string, string>>& attr)
		{
			*pout_ << string(depth_++ * indent_, ' ')
			       << "<" << name;

			auto it = cbegin(attr);
			auto end = cend(attr);
			if ( it != end ) {
				*pout_ << " " << it->first << "=\"" << it->second << "\"";

				++it;	// skip first Element
				for ( ; it != end; ++it )
					*pout_ << ",  " << it->first << "=\"" << it->second << "\"";
			}

			*pout_ << ">" << endl;
		}

		void handle_end(const string& name)
		{
			*pout_ << string(--depth_ * indent_, ' ')
			       << "</" << name << ">"
			       << endl;
		}

	private:
		ostream* pout_;
		size_t depth_;
		size_t indent_;
};

int
main()
{
	try {
		MyXML myxml(cout);
		myxml.parse(cin);
	}
	catch ( exception& e ) {
		cerr << "Fehler: " << e.what() << endl;
	}
}