nnp::Log Class Reference

Logging class for library output. More...

#include <Log.h>

Collaboration diagram for nnp::Log:

Public Member Functions
	Log ()
	Constructor. More...
Log &	operator<< (std::string const &entry)
	Overload << operator. More...
Log &	operator<< (std::vector< std::string > const &entries)
	Overload << operator. More...
void	addLogEntry (std::string const &entry)
	Add string as new log entry. More...
void	addMultipleLogEntries (std::vector< std::string > const &entries)
	Add multiple log entries at once. More...
void	registerCFilePointer (FILE **const &filePointer)
	Register new C-style FILE* pointer for output. More...
void	registerStreamPointer (std::ofstream *const &streamPointer)
	Register new C++ ofstream pointer. More...
std::vector< std::string >	getLog () const
	Get complete log memory. More...

Public Attributes
bool	writeToStdout
	Turn on/off output to stdout. More...
bool	silent
	Completely silence output. More...

Private Attributes
std::vector< std::string >	memory
	Memory with all log entries. More...
std::vector< FILE ** >	cFilePointers
	Storage for C-style FILE* pointers. More...
std::vector< std::ofstream * >	streamPointers
	Storage for C++ ofstream pointers. More...

Detailed Description

Logging class for library output.

Log entries are saved in internal memory and may be redirected to multiple destinations: existing C-style FILE pointer or existing C++ stream.

Definition at line 33 of file Log.h.

Constructor & Destructor Documentation

Log()

Log::Log

(

)

Constructor.

Default output to stdout.

Definition at line 23 of file Log.cpp.

         : writeToStdout(true ),
             silent       (false)
{
}

Member Function Documentation

operator<<() [1/2]

Log & Log::operator<<

(

std::string const &

entry

)

Overload << operator.

Parameters

[in]

entry

New log entry.

Returns

Reference to log itself.

Definition at line 28 of file Log.cpp.

{
    addLogEntry(entry);
    return *this;
}

References addLogEntry().

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operator<<() [2/2]

Log & Log::operator<<

(

std::vector< std::string > const &

entries

)

Overload << operator.

Parameters

[in]

entries

Vector with log entries.

Returns

Reference to log itself.

Definition at line 34 of file Log.cpp.

{
    addMultipleLogEntries(entries);
    return *this;
}

References addMultipleLogEntries().

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addLogEntry()

void Log::addLogEntry

(

std::string const &

entry

)

Add string as new log entry.

Parameters

[in]

entry

New log entry.

Definition at line 40 of file Log.cpp.

{
    if (silent) return;
    memory.push_back(entry);
 
    if (writeToStdout)
    {
        cout << entry;
        cout.flush();
    }
 
    for (vector<FILE**>::const_iterator it = cFilePointers.begin();
         it != cFilePointers.end(); ++it)
    {
        if ((**it) != 0)
        {
            fprintf((**it), "%s", entry.c_str());
            fflush((**it));
        }
    }
 
    for (vector<ofstream*>::const_iterator it = streamPointers.begin();
         it != streamPointers.end(); ++it)
    {
        if ((**it).is_open())
        {
            (**it) << entry;
            (**it).flush();
        }
    }
 
    return;
}

References cFilePointers, memory, silent, streamPointers, and writeToStdout.

Referenced by addMultipleLogEntries(), and operator<<().

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addMultipleLogEntries()

void Log::addMultipleLogEntries

(

std::vector< std::string > const &

entries

)

Add multiple log entries at once.

Parameters

[in]

entries

Vector with log entries.

Definition at line 74 of file Log.cpp.

{
    for (vector<string>::const_iterator it = entries.begin();
         it != entries.end(); ++it)
    {
        addLogEntry(*it);
    }
 
    return;
}

References addLogEntry().

Referenced by operator<<().

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registerCFilePointer()

void Log::registerCFilePointer

(

FILE **const &

filePointer

)

Register new C-style FILE* pointer for output.

Parameters

[in]

filePointer

Address of C-style file pointer (FILE*).

Definition at line 85 of file Log.cpp.

{
    cFilePointers.push_back(filePointer);
    return;
}

References cFilePointers.

Referenced by LAMMPS_NS::PairHDNNP::init_style().

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registerStreamPointer()

void Log::registerStreamPointer

(

std::ofstream *const &

streamPointer

)

Register new C++ ofstream pointer.

Parameters

[in]

streamPointer

Address of C++ ofstream pointer.

Definition at line 91 of file Log.cpp.

{
    streamPointers.push_back(streamPointer);
    return;
}

References streamPointers.

Referenced by main().

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getLog()

vector< string > Log::getLog

(

)

const

Get complete log memory.

Returns

Log memory.

Definition at line 97 of file Log.cpp.

{
    return memory;
}

References memory.

Member Data Documentation

writeToStdout

bool nnp::Log::writeToStdout

Turn on/off output to stdout.

Definition at line 85 of file Log.h.

Referenced by addLogEntry(), nnp::InterfaceLammps::initialize(), and main().

silent

bool nnp::Log::silent

Completely silence output.

Definition at line 87 of file Log.h.

Referenced by addLogEntry(), and nnp::Training::dataSetNormalization().

memory

std::vector<std::string> nnp::Log::memory

private

Memory with all log entries.

Definition at line 91 of file Log.h.

Referenced by addLogEntry(), and getLog().

cFilePointers

std::vector<FILE**> nnp::Log::cFilePointers

private

Storage for C-style FILE* pointers.

Definition at line 93 of file Log.h.

Referenced by addLogEntry(), and registerCFilePointer().

streamPointers

std::vector<std::ofstream*> nnp::Log::streamPointers

private

Storage for C++ ofstream pointers.

Definition at line 95 of file Log.h.

Referenced by addLogEntry(), and registerStreamPointer().

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

• /home/runner/work/n2p2/n2p2/src/libnnp/Log.h
• /home/runner/work/n2p2/n2p2/src/libnnp/Log.cpp