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dragonov's IO
/**
*
* Console
*
* Little extension for input/ouput through console.
*
* Authors: $(WEB dzfl.pl, Damian "nazriel" Ziemba)
* Copyright: 2012, Damian Ziemba
* License: BSD
*
* Example:
* ----
*
* import dragonov.io.Console;
*
* Console.FgColor = Console.Color.Red;
* Console.BgColor = Console.Color.Blue;
* Console("Hi! I will write those message with ")
* ("Blue background and Red foreground until ")
* ("you decide otherwise").Nl();
*
* Console.FgColor = Console.Color.Default;
* Console.BgColor = Console.Color.Default;
* Console("Back to old grey world! :( Press ANY key")
* ("To Continue").Nl();
* Console.ReadKey();
*
* ----
*/
module dragonov.io.Console;
static import std.stdio;
import std.conv: to;
version(Posix)
{
import core.sys.posix.termios;
import core.stdc.stdio;
}
else version(Windows)
{
import core.sys.windows.windows;
extern (C) int _getch();
}
struct IOConsole
{
version(Windows)
{
public enum Font
{
Normal = 0,
Bold = 0,
Underline = 0x8000,
Flash = 0,
Reverse = 0x4000,
}
public enum Color
{
Default = 0x0000,
Blue = 0x0001,
Green = 0x0002,
Aqua = 0x0003,
Red = 0x0004,
Purple= 0x0005,
Yellow= 0x0006,
Gray = 0x0008,
LightBlue = 0x0009,
LightGreen = 0x000A,
LightAqua = 0x000B,
LightRed = 0x000C,
LightPurple= 0x000D,
}
HANDLE _consoleHandle;
static this()
{
_consoleHandle = GetStdHandle(STD_OUTPUT_HANDLE);
}
}
else
{
public enum Color
{
Default = 0,
Blue = 34,
Green = 32,
Aqua = 36,
Red = 31,
Purple= 35,
Yellow= 93,
Gray = 37,
LightBlue = 94,
LightGreen = 92,
LightAqua = 96,
LightRed = 91,
LightPurple= 95,
}
public enum Font
{
Normal = 0,
Bold = 1,
Underline = 4,
Flash = 5,
Reverse = 7,
}
}
private int _backgroundColor = Color.Default;
private int _foregroundColor = Color.Default;
private Font _fontStyle = Font.Normal;
alias Write opCall;
IOConsole Format(T...)(string format, T args)
{ // TODO: add colors&etc support
std.stdio.writef(format, args);
return this;
}
IOConsole Formatln(T...)(string format, T args)
{ // TODO: add colors&etc support
std.stdio.writefln(format, args);
return this;
}
IOConsole Nl()
{
std.stdio.writeln();
return this;
}
alias Nl Newline;
IOConsole Write(T...)(T args)
{
version (Posix)
{
string output;
if (_fontStyle != Font.Normal || _foregroundColor != Color.Default || _backgroundColor != Color.Default)
{
output ~= "\033[";
if (_fontStyle != Font.Normal)
{
output ~= to!string(_fontStyle) ~ ";";
}
if (_foregroundColor != Color.Default)
{
output ~= to!string(_foregroundColor) ~ ";";
}
if (_backgroundColor != Color.Default)
{
output ~= to!string(_backgroundColor) ~ ";";
}
output = output[0..$-1] ~ "m";
std.stdio.write(output, args, "\033[0m");
}
else
std.stdio.write(args);
}
else version(Windows)
{
int consoleColor;
if (_fontStyle != Font.Normal || _foregroundColor != Color.Default || _backgroundColor != Color.Default)
{
if (_foregroundColor != Color.Default)
{
consoleColor += _foregroundColor;
}
if (_backgroundColor != Color.Default)
{
consoleColor += _backgroundColor * 16;
}
SetConsoleTextAttribute(_consoleHandle, consoleColor);
}
std.stdio.write(args);
}
else
static assert(0, "Not supported platform");
return this;
}
string ReadLine()
{
import std.exception;
auto buff = std.stdio.readln();
return assumeUnique(buff);
}
char ReadKey()
{
version(Posix)
{
int getch()
{
int ch;
termios oldt;
termios newt;
tcgetattr(0, &oldt);
newt = oldt;
newt.c_lflag &= ~(ICANON | ECHO);
tcsetattr(0, TCSANOW, &newt);
ch = getchar();
tcsetattr(0, TCSANOW, &oldt);
return ch;
}
}
else version(Windows)
{
alias _getch getch;
}
return cast(char) getch();
}
@property void BgColor(Color color)
{
_backgroundColor = color + 10;
}
@property Color BgColor()
{
return cast(Color) (_backgroundColor - 10);
}
@property void FgColor(Color color)
{
_foregroundColor = color;
}
@property Color FgColor()
{
return cast(Color)_foregroundColor;
}
@property void FontStyle(Font fontStyle)
{
_fontStyle = fontStyle;
}
@property Font FontStyle()
{
return _fontStyle;
}
}
static __gshared IOConsole Console;
alias Console console;
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