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/*
* vdr-vodcatcher - A plugin for the Linux Video Disk Recorder
* Copyright (c) 2007 - 2009 Tobias Grimm <vdr@e-tobi.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 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "Rfc822DateTime.h"
#include <stdlib.h>
#include <stdio.h>
using namespace std;
Rfc822DateTime::Rfc822DateTime(string rfc822DateTimeString)
{
this->rfc822DateTimeString = rfc822DateTimeString;
ParseRfc822DateTimeString(rfc822DateTimeString);
}
const string Rfc822DateTime::ToShortString() const
{
if ((year.size() != 4) || (month.size() != 2) || (day.size() != 2))
{
return "??.??.??";
}
else
{
return day + '.' + month + '.' + year.substr(2, 2);
}
}
const string Rfc822DateTime::ToLongString() const
{
return rfc822DateTimeString;
}
void Rfc822DateTime::ParseRfc822DateTimeString(string rfc822DateTimeString)
{
string zone = ExtractLastWord(rfc822DateTimeString);
string time = ExtractLastWord(rfc822DateTimeString);
year = ExtractLastWord(rfc822DateTimeString);
month = ExtractLastWord(rfc822DateTimeString);
day = ExtractLastWord(rfc822DateTimeString);
month = MonthNameToNumber(month);
if (year.length() == 2)
{
year = "20" + year;
}
if (day.length() == 1)
{
day = "0" + day;
}
}
string Rfc822DateTime::ExtractLastWord(string& line)
{
string lastWord;
if (line != "")
{
unsigned int delimiterPos = line.rfind(" ");
unsigned int wordPos;
if (delimiterPos == string::npos)
{
delimiterPos = 0;
wordPos = 0;
}
else
{
wordPos = delimiterPos + 1;
}
lastWord = line.substr(wordPos);
line = line.substr(0, delimiterPos);
line.erase(line.find_last_not_of(" ") + 1);
}
return lastWord;
}
string Rfc822DateTime::MonthNameToNumber(string monthName)
{
static const string months("JanFebMarAprMayJunJulAugSepOctNovDec");
monthName = monthName.substr(0, 3);
unsigned int monthIndex = months.find(monthName);
if (monthIndex == string::npos)
{
return "";
}
else
{
char* formattedMonth;
asprintf(&formattedMonth, "%.2d", 1 + monthIndex / 3);
string monthNumber = formattedMonth;
free(formattedMonth);
return monthNumber;
}
}
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