BufferLogger Class Reference

Detailed Description

Definition at line 70 of file FGLog.cpp.

Inheritance diagram for BufferLogger:

Collaboration diagram for BufferLogger:

Public Member Functions
const char *	c_str (void) const noexcept
void	FileLocation (const std::string &filename, int line) override
	Optionally provides source filename and line for contextual diagnostics.
void	Format (LogFormat format) override
	Applies a formatting hint to subsequent output.
void	Message (const std::string &message) override
	Appends message text. May be called multiple times per log record.
Public Member Functions inherited from FGLogger
virtual	~FGLogger ()
	Virtual destructor for polymorphic use.
virtual void	Flush (void)
	Ends the current log record and commits any buffered output.
virtual void	SetLevel (LogLevel level)
	Starts a new log record and provides its severity level.

Additional Inherited Members
Protected Attributes inherited from FGLogger
LogLevel	log_level = LogLevel::BULK

Constructor & Destructor Documentation

BufferLogger()

BufferLogger ( )

inline

Definition at line 73 of file FGLog.cpp.

{ logMessageBuffer[0] = '\0'; }

~BufferLogger()

~BufferLogger ( )

override

Definition at line 127 of file FGLog.cpp.

{
  if (tokens.empty()) return;
 
  GlobalLogger->SetLevel(log_level);
 
  if (line > 0) GlobalLogger->FileLocation(filename, line);
 
  for (const auto& token : tokens) {
    if (token.messageItem.empty()) {
      GlobalLogger->Format(token.format);
      continue;
    }
    GlobalLogger->Message(std::string(token.messageItem));
  }
  GlobalLogger->Flush();
}

Member Function Documentation

c_str()

const char * c_str ( void  ) const

inlinenoexcept

Definition at line 80 of file FGLog.cpp.

{ return logMessageBuffer; }

FileLocation()

void FileLocation ( const std::string &  filename, int  line  )

inlineoverridevirtual

Optionally provides source filename and line for contextual diagnostics.

Reimplemented from FGLogger.

Definition at line 74 of file FGLog.cpp.

                                                                  {
    this->filename = filename;
    this->line = line;
  }

Format()

void Format ( LogFormat  format )

overridevirtual

Applies a formatting hint to subsequent output.

Reimplemented from FGLogger.

Definition at line 119 of file FGLog.cpp.

{
  auto& new_token = tokens.emplace_back();
  new_token.format = format;
}

Message()

void Message ( const std::string &  message )

overridevirtual

Appends message text. May be called multiple times per log record.

Implements FGLogger.

Definition at line 99 of file FGLog.cpp.

                                                   {
  if (message.empty()) return;
 
  size_t available = sizeof(logMessageBuffer) - bufferUsed - 1;  // -1 for null terminator
  size_t toCopy = std::min(message.size(), available); // Prevent buffer overflow
 
  if (toCopy > 0) {
    // Copy the message to the buffer
    char* currentPos = logMessageBuffer + bufferUsed;
    memcpy(currentPos, message.c_str(), toCopy);
    bufferUsed += toCopy;
    logMessageBuffer[bufferUsed] = '\0';
    // Store the message in the tokens vector
    auto& new_token = tokens.emplace_back();
    new_token.messageItem = std::string_view(currentPos, toCopy);
  }
}

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The documentation for this class was generated from the following file:

• FGLog.cpp