42 lines
		
	
	
		
			888 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			888 B
		
	
	
	
		
			C++
		
	
	
	
	
	
#ifndef BASE_GRID_LAYOUT_H
 | 
						|
#define BASE_GRID_LAYOUT_H
 | 
						|
 | 
						|
#include <boost/lexical_cast.hpp>
 | 
						|
#include <iosfwd>
 | 
						|
#include <list>
 | 
						|
#include <string>
 | 
						|
#include <vector>
 | 
						|
 | 
						|
//----------------------------------------------------------------
 | 
						|
 | 
						|
namespace base {
 | 
						|
	class grid_layout {
 | 
						|
	public:
 | 
						|
		typedef std::list<std::string> row;
 | 
						|
		typedef std::list<row> grid;
 | 
						|
 | 
						|
		grid_layout();
 | 
						|
		void render(std::ostream &out) const;
 | 
						|
		void new_row();
 | 
						|
 | 
						|
		template <typename T>
 | 
						|
		void field(T const &t) {
 | 
						|
			push_field(boost::lexical_cast<std::string>(t));
 | 
						|
		}
 | 
						|
 | 
						|
	private:
 | 
						|
		row ¤t_row();
 | 
						|
		row const ¤t_row() const;
 | 
						|
		void push_field(std::string const &s);
 | 
						|
		void calc_field_widths(std::vector<unsigned> &widths) const;
 | 
						|
		std::string justify(unsigned width, std::string const &txt) const;
 | 
						|
 | 
						|
		grid grid_;
 | 
						|
		unsigned nr_fields_;
 | 
						|
	};
 | 
						|
}
 | 
						|
 | 
						|
//----------------------------------------------------------------
 | 
						|
 | 
						|
#endif
 |