hpp

#include "printers.hpp"

#include <stdexcept>
#include <utility>
#include <string>
StringPrinter::Stringprinter(std::ostream& o = std::cour) : os(o) { }

Printers::Printers() {

}

Printers::Printers(const Printers& target) {
	for( auto it = target.index.begin(); it != target.index.end(); it++ ) {
		StringPrinter*foo = new StringPrinter;
		index.emplace( (*it).first,  std::get<1>(*it));
	}

}

Printers::~Printers() {

}

void Printers::add(const std::string& printerName, StringPrinter* printerPtr) {
		if(index.find(printerName) != index.end()) {
			throw std::invalid_argument("Duplicate index");
		}
		if(printerPtr == NULL) {
			throw std::invalid_argument("Invalid printer");
		}
		index.emplace(printerName, printerPtr);
}

StringPrinter& Printers::operator[](const std::string& printerName) {
		if(index.find(printerName) == index.end()) {
			throw std::invalid_argument("Unknown index");
		}
		return *(index.find(printerName)->second);
}


Printers& Printers::operator=(const Printers& target) {
	index = target.index;
	return *(this);
}

StringPrinter& DiagonalPrinter::operator()(const std::string &str) {

	if(first != "")
		os << first;
	for( auto it = str.cbegin(); it != str.cend(); it++) {

		int before = std::distance(str.begin(), it);
		int after = std::distance(str.end(), it);
		char space = ' ';
		os <<  std::string(before, space) << *it << std::string(after, space) << std::endl;
	}
	if(last != "")
		os << last;
	return *this;
}