xtd 0.2.0
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format_enum_class_flags_without_helper.cpp

Show how to use format xtd::format class with enum classes flags without helper.

#include <xtd/as>
#include <xtd/console>
#include <xtd/enum_class>
#include <xtd/environment>
#include <xtd/format>
using namespace xtd;
enum class text_styles {
normal = 0b0,
bold = 0b1,
italic = 0b10,
underline = 0b100,
strikeout = 0b1000,
};
// Add text_style enum class flags bitwise operators
text_styles operator|(text_styles lhs, text_styles rhs) {return as<text_styles>(as<int>(lhs) | as<int>(rhs));}
// This operator is needed to register flags attribute.
template<> struct xtd::enum_set_attribute<text_styles> {
explicit operator auto() const noexcept {return xtd::enum_attribute::flags;}
};
// This operator is needed for text_styles enum class to be recognized by xtd::string::format().
template<> struct xtd::enum_register<text_styles> {
explicit operator auto() const noexcept {return xtd::enum_collection<text_styles> {{text_styles::normal, "normal"}, {text_styles::bold, "bold"}, {text_styles::italic, "italic"}, {text_styles::underline, "underline"}, {text_styles::strikeout, "strikeout"}};}
};
enum class cap {title, middle, end};
auto print_text_styles(const string& text, text_styles value, cap c) {
if (c == cap::title)
console::out
<< "┌───────────────────────────────────────────────┬────────────┬──────────────────────────────────┐" << environment::new_line
<< "│ text_styles │ format │ representation │" << environment::new_line
<< "├───────────────────────────────────────────────┼────────────┼──────────────────────────────────┤" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {} │ " << format("{}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:b} │ " << format("{:b}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:b4} │ " << format("{:b4}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:B} │ " << format("{:B}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:B4} │ " << format("{:B4}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:d} │ " << format("{:d}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:d1} │ " << format("{:d1}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:D} │ " << format("{:D}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:D1} │ " << format("{:D1}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:g} │ " << format("{:g}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:G} │ " << format("{:G}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:o} │ " << format("{:o}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:o2} │ " << format("{:o2}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:O} │ " << format("{:O}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:O2} │ " << format("{:O2}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:x} │ " << format("{:x}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:x2} │ " << format("{:x2}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:X} │ " << format("{:X}", value).pad_right(32) << " │" << environment::new_line;
console::out << "│ " << text.pad_right(45) << " │ {:X2} │ " << format("{:X2}", value).pad_right(32) << " │" << environment::new_line;
if (c != cap::end)
console::out << "├───────────────────────────────────────────────┼────────────┼──────────────────────────────────┤" << environment::new_line;
else
console::out << "└───────────────────────────────────────────────┴────────────┴──────────────────────────────────┘" << environment::new_line;
}
auto main() -> int {
print_text_styles("text_styles::normal", text_styles::normal, cap::title);
print_text_styles("text_styles::bold|text_styles::italic", text_styles::bold|text_styles::italic, cap::middle);
print_text_styles("text_styles::strikeout", text_styles::strikeout, cap::end);
}
// This code produces the following output :
//
// ┌───────────────────────────────────────────────┬────────────┬──────────────────────────────────┐
// │ text_styles │ format │ representation │
// ├───────────────────────────────────────────────┼────────────┼──────────────────────────────────┤
// │ text_styles::normal │ {} │ normal │
// │ text_styles::normal │ {:b} │ 0 │
// │ text_styles::normal │ {:b4} │ 0000 │
// │ text_styles::normal │ {:B} │ 0 │
// │ text_styles::normal │ {:B4} │ 0000 │
// │ text_styles::normal │ {:d} │ 0 │
// │ text_styles::normal │ {:d1} │ 0 │
// │ text_styles::normal │ {:D} │ 0 │
// │ text_styles::normal │ {:D1} │ 0 │
// │ text_styles::normal │ {:g} │ normal │
// │ text_styles::normal │ {:G} │ normal │
// │ text_styles::normal │ {:o} │ 0 │
// │ text_styles::normal │ {:o2} │ 00 │
// │ text_styles::normal │ {:O} │ 0 │
// │ text_styles::normal │ {:O2} │ 00 │
// │ text_styles::normal │ {:x} │ 0 │
// │ text_styles::normal │ {:x2} │ 00 │
// │ text_styles::normal │ {:X} │ 0 │
// │ text_styles::normal │ {:X2} │ 00 │
// ├───────────────────────────────────────────────┼────────────┼──────────────────────────────────┤
// │ text_styles::bold|text_styles::italic │ {} │ bold, italic │
// │ text_styles::bold|text_styles::italic │ {:b} │ 11 │
// │ text_styles::bold|text_styles::italic │ {:b4} │ 0011 │
// │ text_styles::bold|text_styles::italic │ {:B} │ 11 │
// │ text_styles::bold|text_styles::italic │ {:B4} │ 0011 │
// │ text_styles::bold|text_styles::italic │ {:d} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:d1} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:D} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:D1} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:g} │ bold, italic │
// │ text_styles::bold|text_styles::italic │ {:G} │ bold, italic │
// │ text_styles::bold|text_styles::italic │ {:o} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:o2} │ 03 │
// │ text_styles::bold|text_styles::italic │ {:O} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:O2} │ 03 │
// │ text_styles::bold|text_styles::italic │ {:x} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:x2} │ 03 │
// │ text_styles::bold|text_styles::italic │ {:X} │ 3 │
// │ text_styles::bold|text_styles::italic │ {:X2} │ 03 │
// ├───────────────────────────────────────────────┼────────────┼──────────────────────────────────┤
// │ text_styles::strikeout │ {} │ strikeout │
// │ text_styles::strikeout │ {:b} │ 1000 │
// │ text_styles::strikeout │ {:b4} │ 1000 │
// │ text_styles::strikeout │ {:B} │ 1000 │
// │ text_styles::strikeout │ {:B4} │ 1000 │
// │ text_styles::strikeout │ {:d} │ 8 │
// │ text_styles::strikeout │ {:d1} │ 8 │
// │ text_styles::strikeout │ {:D} │ 8 │
// │ text_styles::strikeout │ {:D1} │ 8 │
// │ text_styles::strikeout │ {:g} │ strikeout │
// │ text_styles::strikeout │ {:G} │ strikeout │
// │ text_styles::strikeout │ {:o} │ 10 │
// │ text_styles::strikeout │ {:o2} │ 10 │
// │ text_styles::strikeout │ {:O} │ 10 │
// │ text_styles::strikeout │ {:O2} │ 10 │
// │ text_styles::strikeout │ {:x} │ 8 │
// │ text_styles::strikeout │ {:x2} │ 08 │
// │ text_styles::strikeout │ {:X} │ 8 │
// │ text_styles::strikeout │ {:X2} │ 08 │
// └───────────────────────────────────────────────┴────────────┴──────────────────────────────────┘
xtd::basic_string::pad_right
basic_string pad_right(xtd::size total_width) const noexcept
Left-aligns the characters in this basic_string, padding with spaces on the right for a specified tot...
Definition basic_string.hpp:1597
xtd::format
xtd::string format(const xtd::string &fmt, args_t &&... args)
Writes the text representation of the specified arguments list, to string using the specified format ...
Definition format.hpp:20
xtd::enum_collection
std::vector< xtd::collections::generic::key_value_pair< enum_t, xtd::string > > enum_collection
Represents a pair of an enum_t value and a string of an enum of type enum_t.
Definition enum_collection.hpp:22
xtd::enum_attribute::flags
@ flags
Enum flags attribute.
xtd::console_key::end
@ end
The END key.
xtd::forms::status_bar_panel_style::text
@ text
The xtd::forms::status_bar_panel displays text in the standard font.
xtd::forms::mouse_buttons::middle
@ middle
he middle mouse button was pressed.
xtd
The xtd namespace contains all fundamental classes to access Hardware, Os, System,...
Definition xtd_about_box.hpp:10
xtd::enum_register
Provides the registration struct for enumerations.
Definition enum_register.hpp:38
xtd::enum_set_attribute
Provides the set attribute struct for enumerations.
Definition enum_set_attribute.hpp:31
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