log.cpp

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// PTF - Psychological Test Framework
// http://ptf.sourceforge.net
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#include <ptf/core/log.hpp>
#include <fstream>
#include <iostream>
#include <stdexcept>

// bring stuff into scope
using std::ofstream;
using std::cout;
using std::endl;

Log::Log() {
    silent = false;
}

Log::Log(bool in) {
    silent = in;
}

Log::~Log() {
    // nothing to do here 
}

bool Log::getSilent() {
    return silent;
}

void Log::setSilent(bool in) {
    silent = in;
}
    
Log& Log::operator<<(const string& in) {
    mutex.enterMutex();
    sstream << in;
    mutex.leaveMutex();
    if (!silent) cout << in;
    return *this;
}

Log& Log::operator<<(const char* in) {
    mutex.enterMutex();
    sstream << in;
    mutex.leaveMutex();
    if (!silent) cout << in;
    return *this;
}

Log& Log::operator<<(const double& in) {
    mutex.enterMutex();
    sstream << in;
    mutex.leaveMutex();
    if (!silent) cout << in;
    return *this;
}

Log& Log::operator<<(const float& in) {
    mutex.enterMutex();
    sstream << in;
    mutex.leaveMutex();
    if (!silent) cout << in;
    return *this;
}

Log& Log::operator<<(const int& in) {
    mutex.enterMutex();
    sstream << in;
    mutex.leaveMutex();
    if (!silent) cout << in;
    return *this;
}

Log& Log::operator<<(const timespec& in) {
    mutex.enterMutex();
    sstream << in.tv_sec << " " << in.tv_nsec << " ";
    mutex.leaveMutex();
    if (!silent) cout << in.tv_sec << " " << in.tv_nsec << " ";
    return *this;
}

void Log::saveToFile(const char* fname) {
    mutex.enterMutex();
    ofstream fout(fname, std::ios::app);
    if (!fout.good()) {
        mutex.leaveMutex();
        cout << "ERROR:   Can't save log file (" << fname <<").\n";
        throw std::runtime_error("Can't save log file.");
    }
    fout << sstream.str();
    fout.close();
    mutex.leaveMutex();
}

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