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Merge pull request #216 from RogueMacro/master

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Add color support to System.Console
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Brian Fiete 2020-05-05 07:44:45 -07:00 • committed by GitHub
commit 753a58e1ad
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2 changed files with 154 additions and 0 deletions
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51
BeefLibs/corlib/src/Console.bf
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@ -9,6 +9,34 @@ namespace System
public static Encoding InputEncoding = Encoding.ASCII;
public static Encoding OutputEncoding = Encoding.ASCII;
private static ConsoleColor mForegroundColor = .White;
private static ConsoleColor mBackgroundColor = .Black;
private static readonly ConsoleColor mOriginalForegroundColor = mForegroundColor;
private static readonly ConsoleColor mOriginalBackgroundColor = mBackgroundColor;
public static ConsoleColor ForegroundColor
{
get { return mForegroundColor; }
set { mForegroundColor = value; SetColors(); }
}
public static ConsoleColor BackgroundColor
{
get { return mBackgroundColor; }
set { mBackgroundColor = value; SetColors(); }
}
private const uint32 STD_INPUT_HANDLE = (uint32) - 10;
private const uint32 STD_OUTPUT_HANDLE = (uint32) - 11;
private const uint32 STD_ERROR_HANDLE = (uint32) - 12;
[Import("kernel32.dll"), CLink]
private static extern bool SetConsoleTextAttribute(void* hConsoleOutput, uint16 wAttributes);
[Import("kernel32.dll"), CLink]
private static extern void* GetStdHandle(uint32 nStdHandle);
static StreamWriter OpenStreamWriter(Platform.BfpFileStdKind stdKind, ref StreamWriter outStreamWriter)
{
if (outStreamWriter == null)
@ -131,5 +159,28 @@ namespace System
obj.ToString(str);
WriteLine(str);
}
public static void ResetColor()
{
mForegroundColor = mOriginalForegroundColor;
mBackgroundColor = mOriginalBackgroundColor;
#if !BF_PLATFORM_WINDOWS
Write("\x1B[0m");
#endif
}
private static void SetColors()
{
#if BF_PLATFORM_WINDOWS
let handle = GetStdHandle(STD_OUTPUT_HANDLE);
let fgColor = ForegroundColor.ToConsoleTextAttribute();
let bgColor = BackgroundColor.ToConsoleTextAttribute();
SetConsoleTextAttribute(handle, bgColor * 16 + fgColor);
#else
Write("\x1B[{}m", ForegroundColor.ToAnsi());
Write("\x1B[{}m", BackgroundColor.ToAnsi() + 10);
#endif
}
}
}

103
BeefLibs/corlib/src/ConsoleColor.bf Normal file
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@ -0,0 +1,103 @@
namespace System
{
public enum ConsoleColor
{
Black,
DarkBlue,
DarkGreen,
DarkCyan,
DarkRed,
DarkMagenta,
DarkYellow,
DarkGray,
Gray,
Blue,
Green,
Cyan,
Red,
Magenta,
Yellow,
White
}
extension ConsoleColor
{
public uint8 ToConsoleTextAttribute()
{
switch (this)
{
case .Black:
return 0;
case .DarkBlue:
return 1;
case .DarkGreen:
return 2;
case .DarkCyan:
return 3;
case .DarkRed:
return 4;
case .DarkMagenta:
return 5;
case .DarkYellow:
return 6;
case .DarkGray:
return 7;
case .Gray:
return 8;
case .Blue:
return 9;
case .Green:
return 10;
case .Cyan:
return 11;
case .Red:
return 12;
case .Magenta:
return 13;
case .Yellow:
return 14;
case .White:
return 15;
}
}
public uint8 ToAnsi()
{
switch (this)
{
case .Black:
return 30;
case .DarkRed:
return 31;
case .DarkGreen:
return 32;
case .DarkYellow:
return 33;
case .DarkBlue:
return 34;
case .DarkMagenta:
return 35;
case .DarkCyan:
return 36;
case .Gray:
return 37;
case .DarkGray:
return 90;
case .Red:
return 91;
case .Green:
return 92;
case .Yellow:
return 93;
case .Blue:
return 94;
case .Magenta:
return 95;
case .Cyan:
return 96;
case .White:
return 97;
}
}
}
}