main.cpp

/// This example shows io channels to std lib streams compatibility layer
#ifdef _WIN32
#define _WIN32_WINNT 0x0600
#endif // _WIN32

#include <console.hpp>
#include <files.hpp>
#include <iostream>
#include <ios>

#include <text.hpp>
#include <stream.hpp>


/// Opens a file channel with auto-reconverting content
/// to UTF-8 from current wchar_t UNICODE
/// Win32 wchar_t is UTF-16LE, Linux/Unix is UTF-32LE or UTF-32BE
/// depending on CPU architecture.
/// Intel and AMD  = LE
/// PowerPC, SPARC =  BE
/// ARM can be configured to use LE or BE, depending on operating system choose
/// for ARM 3+ and Android it is LE
io::s_write_channel prepare_file() {
	using namespace io;
	// Open a file to write results
	std::error_code ec;
	file f("result.txt");
	s_write_channel fch = f.open_for_write(ec, write_open_mode::overwrite);
	io::check_error_code(ec);
	// write byte order mark
	fch->write(ec, utf8_bom::data(), utf8_bom::len());
	io::check_error_code(ec);
	// open converting write channel, and stream on top of it
	s_code_cnvtr cvt = code_cnvtr::open(ec, IO_SYS_UNICODE, code_pages::UTF_8,
										cnvrt_control::failure_on_failing_chars);
	io::check_error_code(ec);
	s_write_channel ret= conv_write_channel::open(ec, fch, cvt);
	io::check_error_code(ec);
	return ret;
}

const char* umessage = "Hello!\nПривет!\nПривіт!\nΧαιρετίσματα!\nHelló!\nHallå!\n";
const wchar_t* wmessage = L"Hello!\nПривет!\nПривіт!\nΧαιρετίσματα!\nHelló!\nHallå!\n";

int main()
{

	// writing wchar_t chars into UTF-8 file
	io::cnl_wostream fout( prepare_file() );
	fout << wmessage
	<< 1234567890ull << L'\n'
	<< 123456.78e+09 << L'\n'
	<< 12356.789e+10L << L'\n'
	<< std::hex << 0xCAFEBABE
	<< std::endl;

	io::console::reset_colors( io::text_color::yellow, io::text_color::light_green,  io::text_color::light_red );

	// take a console direct output stream
	std::ostream& cout = io::console::out_stream();
	cout << "You can found the same message in result.txt file " << std::endl;
	// in case of Windows, this will be transcoded int UTF-16LE automatically
	// make sure your console uses some FreeType font for better result
	cout << umessage
	<< 1234567890ull << '\n'
	<< 123456.78e+09 << '\n'
	<< 12356.789e+10L << '\n'
	<< std::hex << 0xCAFEBABE
	<< std::endl;

	std::wostream& wcout = io::console::out_wstream();
	std::wostream& wcerr = io::console::error_wstream();
	io::console::reset_out_color(io::text_color::white);
	wcout << L"Wide version: " << std::endl;
	io::console::reset_out_color(io::text_color::light_blue);
	// in case of Linux/Unix this will transcoded to UTF-8 automatically
	wcout << wmessage
	<< 1234567890ull << L'\n'
	<< 123456.78e+09 << L'\n'
	<< 12356.789e+10L << L'\n'
	<< std::hex << 0xCAFEBABE
	<< std::endl;

	io::console::reset_err_color(io::text_color::yellow);
	wcerr << L"No errors so far" << std::endl;

	wcout << L"Type something please: ";
	wcout.flush();


	wchar_t str[256];
	io_zerro_mem(str, 256 * sizeof(wchar_t) );
    std::wistream& wcin = io::console::in_wstream();

	wcin >> str;

	wcout <<L"Echo: ";
	io::console::reset_out_color(io::text_color::white);

	wcout << str << std::endl;

	io::console::reset_out_color(io::text_color::light_purple);
	wcout << L"Thank you, Goodbye!" << std::endl;

    return 0;
}