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//
// 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:
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
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