You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.7 KiB
62 lines
1.7 KiB
3 months ago
|
// David Eberly, Geometric Tools, Redmond WA 98052
|
||
|
|
// Copyright (c) 1998-2021
|
||
|
|
// Distributed under the Boost Software License, Version 1.0.
|
||
|
|
// https://www.boost.org/LICENSE_1_0.txt
|
||
|
|
// https://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
|
||
|
|
// Version: 4.0.2019.08.13
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <Mathematics/Logger.h>
|
||
|
|
#include <fstream>
|
||
|
|
|
||
|
|
namespace gte
|
||
|
|
{
|
||
|
|
class LogToFile : public Logger::Listener
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
LogToFile(std::string const& filename, int flags)
|
||
|
|
:
|
||
|
|
Logger::Listener(flags),
|
||
|
|
mFilename(filename)
|
||
|
|
{
|
||
|
|
std::ofstream logFile(filename);
|
||
|
|
if (logFile)
|
||
|
|
{
|
||
|
|
// This clears the file contents from any previous runs.
|
||
|
|
logFile.close();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// The file cannot be opened. Use a null string for Report to
|
||
|
|
// know not to attempt opening the file for append.
|
||
|
|
mFilename = "";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
virtual void Report(std::string const& message)
|
||
|
|
{
|
||
|
|
if (mFilename != "")
|
||
|
|
{
|
||
|
|
// Open for append.
|
||
|
|
std::ofstream logFile(mFilename, std::ios_base::out | std::ios_base::app);
|
||
|
|
if (logFile)
|
||
|
|
{
|
||
|
|
logFile << message.c_str();
|
||
|
|
logFile.close();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// The file cannot be opened. Use a null string for
|
||
|
|
// Report not to attempt opening the file for append on
|
||
|
|
// the next call.
|
||
|
|
mFilename = "";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string mFilename;
|
||
|
|
};
|
||
|
|
}
|