thin-provisioning-tools/base/grid_layout.h

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 &current_row();
row const &current_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