X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fconsolecolors.h;h=e7ca5c82e551a61b0c41f4238b4247b199a65fc7;hb=635cb9d65f6d7f6758ae8ed874da00c8d94b6e39;hp=d92be58bc706f9dafa78f9771ad671a1f2f1eda7;hpb=b9e11915a976daaf790ebc763aff56e19fd49e0f;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/include/consolecolors.h b/include/consolecolors.h
index d92be58bc..e7ca5c82e 100644
--- a/include/consolecolors.h
+++ b/include/consolecolors.h
@@ -1,6 +1,10 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
+ *   Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ *   Copyright (C) 2013, 2019, 2021 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012 ChrisTX <xpipe@hotmail.de>
+ *
  * This file is part of InspIRCd.  InspIRCd is free software: you can
  * redistribute it and/or modify it under the terms of the GNU General Public
  * License as published by the Free Software Foundation, version 2.
@@ -18,81 +22,151 @@
 #pragma once
 
 #include <ostream>
+#include <stdio.h>
 
 #ifdef _WIN32
+# include <iostream>
+# include <io.h>
+# define isatty(x) _isatty((x))
+# define fileno(x) _fileno((x))
+extern WindowsStream StandardError;
+extern WindowsStream StandardOutput;
+#else
+# include <unistd.h>
+#endif
 
-#include <windows.h>
+namespace
+{
+	inline bool CanUseColors()
+	{
+#ifdef INSPIRCD_DISABLE_COLORS
+		return false;
+#else
+		return isatty(fileno(stdout));
+#endif
+	}
+
+#ifdef _WIN32
+	inline WindowsStream& GetStreamHandle(std::ostream& os)
+	{
+		if (os.rdbuf() == std::cerr.rdbuf())
+			return StandardError;
+
+		if (os.rdbuf() == std::cout.rdbuf())
+			return StandardOutput;
+
+		// This will never happen.
+		throw std::invalid_argument("Tried to write color codes to a stream other than stdout or stderr!");
+	}
+#endif
+}
+
+#ifdef _WIN32
 
-extern WORD g_wOriginalColors;
-extern WORD g_wBackgroundColor;
-extern HANDLE g_hStdout;
+#include <windows.h>
 
-inline std::ostream& con_green(std::ostream &s)
+inline std::ostream& con_green(std::ostream& stream)
 {
-	SetConsoleTextAttribute(g_hStdout, FOREGROUND_GREEN|FOREGROUND_INTENSITY|g_wBackgroundColor);
-	return s;
+	if (CanUseColors())
+	{
+		const WindowsStream& ws = GetStreamHandle(stream);
+		SetConsoleTextAttribute(ws.Handle, FOREGROUND_GREEN | FOREGROUND_INTENSITY | ws.BackgroundColor);
+	}
+	return stream;
 }
 
-inline std::ostream& con_red(std::ostream &s)
+inline std::ostream& con_red(std::ostream& stream)
 {
-	SetConsoleTextAttribute(g_hStdout, FOREGROUND_RED|FOREGROUND_INTENSITY|g_wBackgroundColor);
-	return s;
+	if (CanUseColors())
+	{
+		const WindowsStream& ws = GetStreamHandle(stream);
+		SetConsoleTextAttribute(ws.Handle, FOREGROUND_RED | FOREGROUND_INTENSITY | ws.BackgroundColor);
+	}
+	return stream;
 }
 
-inline std::ostream& con_white(std::ostream &s)
+inline std::ostream& con_white(std::ostream& stream)
 {
-	SetConsoleTextAttribute(g_hStdout, FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN|g_wBackgroundColor);
-	return s;
+	if (CanUseColors())
+	{
+		const WindowsStream& ws = GetStreamHandle(stream);
+		SetConsoleTextAttribute(ws.Handle, FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN | ws.BackgroundColor);
+	}
+	return stream;
 }
 
-inline std::ostream& con_white_bright(std::ostream &s)
+inline std::ostream& con_white_bright(std::ostream& stream)
 {
-	SetConsoleTextAttribute(g_hStdout, FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN|FOREGROUND_INTENSITY|g_wBackgroundColor);
-	return s;
+	if (CanUseColors())
+	{
+		const WindowsStream& ws = GetStreamHandle(stream);
+		SetConsoleTextAttribute(ws.Handle, FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY | ws.BackgroundColor);
+	}
+	return stream;
 }
 
-inline std::ostream& con_bright(std::ostream &s)
+inline std::ostream& con_bright(std::ostream& stream)
 {
-	SetConsoleTextAttribute(g_hStdout, FOREGROUND_INTENSITY|g_wBackgroundColor);
-	return s;
+	if (CanUseColors())
+	{
+		const WindowsStream& ws = GetStreamHandle(stream);
+		SetConsoleTextAttribute(ws.Handle, FOREGROUND_INTENSITY | ws.BackgroundColor);
+	}
+	return stream;
 }
 
-inline std::ostream& con_reset(std::ostream &s)
+inline std::ostream& con_reset(std::ostream& stream)
 {
-	SetConsoleTextAttribute(g_hStdout, g_wOriginalColors);
-	return s;
+	if (CanUseColors())
+	{
+		const WindowsStream& ws = GetStreamHandle(stream);
+		SetConsoleTextAttribute(ws.Handle, ws.ForegroundColor);
+	}
+	return stream;
 }
 
 #else
 
-inline std::ostream& con_green(std::ostream &s)
+inline std::ostream& con_green(std::ostream& stream)
 {
-	return s << "\033[1;32m";
+	if (!CanUseColors())
+		return stream;
+	return stream << "\033[1;32m";
 }
 
-inline std::ostream& con_red(std::ostream &s)
+inline std::ostream& con_red(std::ostream& stream)
 {
-	return s << "\033[1;31m";
+	if (!CanUseColors())
+		return stream;
+	return stream << "\033[1;31m";
 }
 
-inline std::ostream& con_white(std::ostream &s)
+inline std::ostream& con_white(std::ostream& stream)
 {
-	return s << "\033[0m";
+	if (!CanUseColors())
+		return stream;
+	return stream << "\033[0m";
 }
 
-inline std::ostream& con_white_bright(std::ostream &s)
+inline std::ostream& con_white_bright(std::ostream& stream)
 {
-	return s << "\033[1m";
+	if (!CanUseColors())
+		return stream;
+	return stream << "\033[1m";
 }
 
-inline std::ostream& con_bright(std::ostream &s)
+inline std::ostream& con_bright(std::ostream& stream)
 {
-	return s << "\033[1m";
+	if (!CanUseColors())
+		return stream;
+	return stream << "\033[1m";
 }
 
-inline std::ostream& con_reset(std::ostream &s)
+inline std::ostream& con_reset(std::ostream& stream)
 {
-	return s << "\033[0m";
+	if (!CanUseColors())
+		return stream;
+	return stream << "\033[0m";
 }
 
 #endif