Major plugin refactor and cleanup.

Switched to POCO library for unified platform/library interface.
Deprecated the external module API. It was creating more problems than solving.
Removed most built-in libraries in favor of system libraries for easier maintenance.
Cleaned and secured code with help from static analyzers.

vendor/POCO/Foundation/include/Poco/ConsoleChannel.h

@@ -0,0 +1,189 @@
+//
+// ConsoleChannel.h
+//
+// Library: Foundation
+// Package: Logging
+// Module:  ConsoleChannel
+//
+// Definition of the ConsoleChannel class.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef Foundation_ConsoleChannel_INCLUDED
+#define Foundation_ConsoleChannel_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/Channel.h"
+#include "Poco/Mutex.h"
+#include <ostream>
+
+
+namespace Poco {
+
+
+class Foundation_API ConsoleChannel: public Channel
+	/// A channel that writes to an ostream.
+	///
+	/// Only the message's text is written, followed
+	/// by a newline.
+	///
+	/// Chain this channel to a FormattingChannel with an
+	/// appropriate Formatter to control what is contained 
+	/// in the text.
+	///
+	/// Similar to StreamChannel, except that a static
+	/// mutex is used to protect against multiple
+	/// console channels concurrently writing to the
+	/// same stream.
+{
+public:
+	using Ptr = AutoPtr<ConsoleChannel>;
+
+	ConsoleChannel();
+		/// Creates the channel and attaches std::clog.
+		
+	ConsoleChannel(std::ostream& str);
+		/// Creates the channel using the given stream.
+
+	void log(const Message& msg);
+		/// Logs the given message to the channel's stream.
+		
+protected:
+	~ConsoleChannel();
+
+private:
+	std::ostream& _str;
+	static FastMutex _mutex;
+};
+
+
+class Foundation_API ColorConsoleChannel: public Channel
+	/// A channel that writes to an ostream.
+	///
+	/// Only the message's text is written, followed
+	/// by a newline.
+	///
+	/// Messages can be colored depending on priority.
+	/// The console device must support ANSI escape codes
+	/// in order to display colored messages.
+	///
+	/// To enable message coloring, set the "enableColors"
+	/// property to true (default). Furthermore, colors can be
+	/// configured by setting the following properties
+	/// (default values are given in parenthesis):
+	/// 
+	///   * traceColor (gray)
+	///   * debugColor (gray)
+	///   * informationColor (default)
+	///   * noticeColor (default)
+	///   * warningColor (yellow)
+	///   * errorColor (lightRed)
+	///   * criticalColor (lightRed)
+	///   * fatalColor (lightRed)
+	///
+	/// The following color values are supported:
+	/// 
+	///   * default
+	///   * black
+	///   * red
+	///   * green
+	///   * brown
+	///   * blue
+	///   * magenta
+	///   * cyan
+	///   * gray
+	///   * darkgray
+	///   * lightRed
+	///   * lightGreen
+	///   * yellow
+	///   * lightBlue
+	///   * lightMagenta
+	///   * lightCyan
+	///   * white
+	///
+	/// Chain this channel to a FormattingChannel with an
+	/// appropriate Formatter to control what is contained 
+	/// in the text.
+	///
+	/// Similar to StreamChannel, except that a static
+	/// mutex is used to protect against multiple
+	/// console channels concurrently writing to the
+	/// same stream.
+{
+public:	
+	ColorConsoleChannel();
+		/// Creates the channel and attaches std::clog.
+		
+	ColorConsoleChannel(std::ostream& str);
+		/// Creates the channel using the given stream.
+
+	void log(const Message& msg);
+		/// Logs the given message to the channel's stream.
+	
+	void setProperty(const std::string& name, const std::string& value);
+		/// Sets the property with the given name. 
+		/// 
+		/// The following properties are supported:
+		///   * enableColors:      Enable or disable colors.
+		///   * traceColor:        Specify color for trace messages.
+		///   * debugColor:        Specify color for debug messages.
+		///   * informationColor:  Specify color for information messages.
+		///   * noticeColor:       Specify color for notice messages.
+		///   * warningColor:      Specify color for warning messages.
+		///   * errorColor:        Specify color for error messages.
+		///   * criticalColor:     Specify color for critical messages.
+		///   * fatalColor:        Specify color for fatal messages.
+		///
+		/// See the class documentation for a list of supported color values.
+
+	std::string getProperty(const std::string& name) const;
+		/// Returns the value of the property with the given name.
+		/// See setProperty() for a description of the supported
+		/// properties.
+
+protected:	
+	enum Color
+	{
+		CC_DEFAULT      = 0x0027,
+		CC_BLACK        = 0x001e,
+		CC_RED          = 0x001f,
+		CC_GREEN        = 0x0020,
+		CC_BROWN        = 0x0021,
+		CC_BLUE         = 0x0022,
+		CC_MAGENTA      = 0x0023,
+		CC_CYAN         = 0x0024,
+		CC_GRAY         = 0x0025,
+		CC_DARKGRAY     = 0x011e,
+		CC_LIGHTRED     = 0x011f,
+		CC_LIGHTGREEN   = 0x0120,
+		CC_YELLOW       = 0x0121,
+		CC_LIGHTBLUE    = 0x0122,
+		CC_LIGHTMAGENTA = 0x0123,
+		CC_LIGHTCYAN    = 0x0124,
+		CC_WHITE        = 0x0125
+	};
+
+	~ColorConsoleChannel();
+	Color parseColor(const std::string& color) const;
+	std::string formatColor(Color color) const;
+	void initColors();
+
+private:
+	std::ostream& _str;
+	bool _enableColors;
+	Color _colors[9];
+	static FastMutex _mutex;
+	static const std::string CSI;
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_ConsoleChannel_INCLUDED