本文介绍了一个名为 ILogger 的日志接口，该接口定义了不同级别的日志记录功能，包括信息、警告和错误等。通过设置不同的日志级别，可以控制记录的信息类型。此外，还详细说明了如何使用此接口来打印不同类型的日志信息。
/*
* ILogger.h
*
* Created on: 2010-10-11
* Author: Mido
* 日志
* - 来自于大哥irrlicht
*/
#ifndef ILOGGER_H_
#define ILOGGER_H_
#include "IReferenceCounted.h"
namespace irrlight
{
//! Possible log levels.
enum ELOG_LEVEL
{
//! High log level, warnings, errors and important information texts are printed out.
ELL_INFORMATION = 0,
//! Default log level, warnings and errors are printed out
ELL_WARNING,
//! Low log level, only errors are printed into the log
ELL_ERROR,
//! Nothing is printed out to the log
ELL_NONE
};
//! Interface for logging messages, warnings and errors
class ILogger : public virtual IReferenceCounted
{
public:
//! Destructor
virtual ~ILogger() {}
//! Returns the current set log level.
virtual ELOG_LEVEL getLogLevel() const = 0;
//! Sets a new log level.
/** With this value, texts which are sent to the logger are filtered
out. For example setting this value to ELL_WARNING, only warnings and
errors are printed out. Setting it to ELL_INFORMATION, which is the
default setting, warnings, errors and informational texts are printed
out.
/param ll: new log level filter value. */
virtual any setLogLevel(ELOG_LEVEL ll) = 0;
//! Prints out a text into the log
/** /param text: Text to print out.
/param ll: Log level of the text. If the text is an error, set
it to ELL_ERROR, if it is warning set it to ELL_WARNING, and if it
is just an informational text, set it to ELL_INFORMATION. Texts are
filtered with these levels. If you want to be a text displayed,
independent on what level filter is set, use ELL_NONE. */
virtual any log(const c8* text, ELOG_LEVEL ll=ELL_INFORMATION) = 0;
//! Prints out a text into the log
/** /param text: Text to print out.
/param hint: Additional info. This string is added after a " :" to the
string.
/param ll: Log level of the text. If the text is an error, set
it to ELL_ERROR, if it is warning set it to ELL_WARNING, and if it
is just an informational text, set it to ELL_INFORMATION. Texts are
filtered with these levels. If you want to be a text displayed,
independent on what level filter is set, use ELL_NONE. */
virtual any log(const c8* text, const c8* hint, ELOG_LEVEL ll=ELL_INFORMATION) = 0;
//! Prints out a text into the log
/** /param text: Text to print out.
/param hint: Additional info. This string is added after a " :" to the
string.
/param ll: Log level of the text. If the text is an error, set
it to ELL_ERROR, if it is warning set it to ELL_WARNING, and if it
is just an informational text, set it to ELL_INFORMATION. Texts are
filtered with these levels. If you want to be a text displayed,
independent on what level filter is set, use ELL_NONE. */
virtual any log(const c16* text, const c16* hint, ELOG_LEVEL ll=ELL_INFORMATION) = 0;
//! Prints out a text into the log
/** /param text: Text to print out.
/param ll: Log level of the text. If the text is an error, set
it to ELL_ERROR, if it is warning set it to ELL_WARNING, and if it
is just an informational text, set it to ELL_INFORMATION. Texts are
filtered with these levels. If you want to be a text displayed,
independent on what level filter is set, use ELL_NONE. */
virtual any log(const c16* text, ELOG_LEVEL ll=ELL_INFORMATION) = 0;
};
} // end namespace
#endif /* ILOGGER_H_ */
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