logmeow/log.cpp

#include <ctime>
#include <string>
#include <vector>

#include "log.h"

std::vector<LogEntry> log_entries;

LogEntry::LogEntry(time_t time_, std::string message_) : time(time_), message(std::move(message_)) {
    size_t pos;

    while ((pos = this->message.find('\n')) != std::string::npos) {
        this->message.replace(pos, 1, 1, ' ');
    }
}


std::string format_log(const LogEntry& entry) {
    struct tm tm;
    char time_as_str[128] = {0};
    strftime(time_as_str, 127 * sizeof(char), "%c", localtime_r(&entry.time, &tm));
    return std::string(1, '[') + time_as_str + "] " + entry.message;
}

void print_log(const LogEntry& entry) {
    char time_as_str[128] = {0};
    strftime(time_as_str, 127 * sizeof(char), "%c", localtime(&entry.time));
    fprintf(stderr, "[%s] %s\n", time_as_str, entry.message.c_str());
}

void log(LogEntry entry, bool print) {
    if (print) {
        print_log(entry);
    }
    log_entries.push_back(std::move(entry));
}

void log(std::string message) {
    log({time(nullptr), std::move(message)});
}