Files
ncmpcpp/src/song.cpp
2009-01-17 00:52:08 +01:00

567 lines
13 KiB
C++

/***************************************************************************
* Copyright (C) 2008-2009 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "charset.h"
#include "song.h"
#include "settings.h"
Song::Song(mpd_Song *s, bool copy_ptr) : itsSong(s ? s : mpd_newSong()),
itsSlash(string::npos),
itsHash(0),
copyPtr(copy_ptr),
isStream(0),
isLocalised(0)
{
size_t file_len = itsSong->file ? strlen(itsSong->file) : 0;
if (itsSong->file)
{
__Count_Last_Slash_Position();
if (strncmp(itsSong->file, "http://", 7) == 0)
isStream = 1;
}
// generate pseudo-hash
for (size_t i = 0; i < file_len; i++)
{
itsHash += itsSong->file[i];
if (i%3)
itsHash *= itsSong->file[i];
}
}
Song::Song(const Song &s) : itsSong(0),
itsNewName(s.itsNewName),
itsSlash(s.itsSlash),
itsHash(s.itsHash),
copyPtr(s.copyPtr),
isStream(s.isStream),
isLocalised(s.isLocalised)
{
itsSong = s.copyPtr ? s.itsSong : mpd_songDup(s.itsSong);
}
Song::~Song()
{
if (itsSong)
mpd_freeSong(itsSong);
}
string Song::GetLength() const
{
if (itsSong->time <= 0)
return "-:--";
return ShowTime(itsSong->time);
}
void Song::Localize()
{
# if !defined(_UTF8) && defined(HAVE_ICONV_H)
if (isLocalised)
return;
str_pool_utf_to_locale(itsSong->file);
__Count_Last_Slash_Position();
str_pool_utf_to_locale(itsSong->artist);
str_pool_utf_to_locale(itsSong->title);
str_pool_utf_to_locale(itsSong->album);
str_pool_utf_to_locale(itsSong->track);
str_pool_utf_to_locale(itsSong->name);
str_pool_utf_to_locale(itsSong->date);
str_pool_utf_to_locale(itsSong->genre);
str_pool_utf_to_locale(itsSong->composer);
str_pool_utf_to_locale(itsSong->performer);
str_pool_utf_to_locale(itsSong->disc);
str_pool_utf_to_locale(itsSong->comment);
isLocalised = 1;
# endif // !_UTF8 && HAVE_ICONV_H
}
/*void Song::Delocalize()
{
# if !defined(_UTF8) && defined(HAVE_ICONV_H)
if (!isLocalised)
return;
str_pool_locale_to_utf(itsSong->file);
__Count_Last_Slash_Position();
str_pool_locale_to_utf(itsSong->artist);
str_pool_locale_to_utf(itsSong->title);
str_pool_locale_to_utf(itsSong->album);
str_pool_locale_to_utf(itsSong->track);
str_pool_locale_to_utf(itsSong->name);
str_pool_locale_to_utf(itsSong->date);
str_pool_locale_to_utf(itsSong->genre);
str_pool_locale_to_utf(itsSong->composer);
str_pool_locale_to_utf(itsSong->performer);
str_pool_locale_to_utf(itsSong->disc);
str_pool_locale_to_utf(itsSong->comment);
isLocalised = 0;
# endif // !_UTF8 && HAVE_ICONV_H
}*/
void Song::Clear()
{
if (itsSong)
mpd_freeSong(itsSong);
itsSong = mpd_newSong();
itsNewName.clear();
itsSlash = 0;
itsHash = 0;
isStream = 0;
isLocalised = 0;
copyPtr = 0;
}
bool Song::Empty() const
{
return !itsSong || (!itsSong->file && !itsSong->title && !itsSong->artist && !itsSong->album && !itsSong->date && !itsSong->track && !itsSong->genre && !itsSong->composer && !itsSong->performer && !itsSong->disc && !itsSong->comment);
}
bool Song::IsFromDB() const
{
const string &dir = GetDirectory();
return dir[0] != '/' || dir == "/";
}
string Song::GetFile() const
{
return !itsSong->file ? "" : itsSong->file;
}
string Song::GetName() const
{
return !itsSong->file ? "" : (itsSlash != string::npos && !isStream ? itsSong->file+itsSlash+1 : (isStream && itsSong->name ? itsSong->name : itsSong->file));
}
string Song::GetDirectory() const
{
return !itsSong->file || isStream ? "" : itsSlash != string::npos ? string(itsSong->file).substr(0, itsSlash) : "/";
}
string Song::GetArtist() const
{
return !itsSong->artist ? "" : itsSong->artist;
}
string Song::GetTitle() const
{
return !itsSong->title ? "" : itsSong->title;
}
string Song::GetAlbum() const
{
return !itsSong->album ? "" : itsSong->album;
}
string Song::GetTrack() const
{
return !itsSong->track ? "" : (StrToInt(itsSong->track) < 10 && itsSong->track[0] != '0' ? "0"+string(itsSong->track) : itsSong->track);
}
string Song::GetYear() const
{
return !itsSong->date ? "" : itsSong->date;
}
string Song::GetGenre() const
{
return !itsSong->genre ? "" : itsSong->genre;
}
string Song::GetComposer() const
{
return !itsSong->composer ? "" : itsSong->composer;
}
string Song::GetPerformer() const
{
return !itsSong->performer ? "" : itsSong->performer;
}
string Song::GetDisc() const
{
return !itsSong->disc ? "" : itsSong->disc;
}
string Song::GetComment() const
{
return !itsSong->comment ? "" : itsSong->comment;
}
void Song::SetFile(const string &str)
{
if (itsSong->file)
str_pool_put(itsSong->file);
itsSong->file = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetArtist(const string &str)
{
if (itsSong->artist)
str_pool_put(itsSong->artist);
itsSong->artist = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetTitle(const string &str)
{
if (itsSong->title)
str_pool_put(itsSong->title);
itsSong->title = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetAlbum(const string &str)
{
if (itsSong->album)
str_pool_put(itsSong->album);
itsSong->album = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetTrack(const string &str)
{
if (itsSong->track)
str_pool_put(itsSong->track);
itsSong->track = str.empty() ? 0 : str_pool_get(IntoStr(StrToInt(str)).c_str());
}
void Song::SetTrack(int track)
{
if (itsSong->track)
str_pool_put(itsSong->track);
itsSong->track = str_pool_get(IntoStr(track).c_str());
}
void Song::SetYear(const string &str)
{
if (itsSong->date)
str_pool_put(itsSong->date);
itsSong->date = str.empty() ? 0 : str_pool_get(IntoStr(StrToInt(str)).c_str());
}
void Song::SetYear(int year)
{
if (itsSong->date)
str_pool_put(itsSong->date);
itsSong->date = str_pool_get(IntoStr(year).c_str());
}
void Song::SetGenre(const string &str)
{
if (itsSong->genre)
str_pool_put(itsSong->genre);
itsSong->genre = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetComposer(const string &str)
{
if (itsSong->composer)
str_pool_put(itsSong->composer);
itsSong->composer = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetPerformer(const string &str)
{
if (itsSong->performer)
str_pool_put(itsSong->performer);
itsSong->performer = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetDisc(const string &str)
{
if (itsSong->disc)
str_pool_put(itsSong->disc);
itsSong->disc = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetComment(const string &str)
{
if (itsSong->comment)
str_pool_put(itsSong->comment);
itsSong->comment = str.empty() ? 0 : str_pool_get(str.c_str());
}
void Song::SetPosition(int pos)
{
itsSong->pos = pos;
}
string Song::toString(const std::string &format) const
{
string result;
string::const_iterator goto_pos, prev_pos;
for (string::const_iterator it = format.begin(); it != format.end(); it++)
{
CHECK_LINKED_TAGS:;
if (*it == '{')
{
prev_pos = it;
string (Song::*get)() const = 0;
for (; *it != '}'; it++)
{
if (*it == '%')
{
switch (*++it)
{
case 'l':
get = &Song::GetLength;
break;
case 'F':
get = &Song::GetFile;
break;
case 'f':
get = &Song::GetName;
break;
case 'a':
get = &Song::GetArtist;
break;
case 'b':
get = &Song::GetAlbum;
break;
case 'y':
get = &Song::GetYear;
break;
case 'n':
get = &Song::GetTrack;
break;
case 'g':
get = &Song::GetGenre;
break;
case 'c':
get = &Song::GetComposer;
break;
case 'p':
get = &Song::GetPerformer;
break;
case 'd':
get = &Song::GetDisc;
break;
case 'C':
get = &Song::GetComment;
break;
case 't':
get = &Song::GetTitle;
break;
default:
break;
}
if (get == &Song::GetLength)
{
if (!GetTotalLength())
break;
}
else if (get)
{
if ((this->*get)().empty())
break;
}
}
}
if (*it == '}')
{
while (1)
{
if (*it == '}' && *(it+1) != '|')
break;
it++;
}
goto_pos = ++it;
it = ++prev_pos;
}
else
{
for (; *it != '}'; it++) { }
it++;
if (it == format.end())
break;
if (*it == '{' || *it == '|')
{
if (*it == '|')
it++;
goto CHECK_LINKED_TAGS;
}
}
}
if (*it == '}')
{
if (goto_pos == format.end())
break;
it = goto_pos;
if (*it == '{')
goto CHECK_LINKED_TAGS;
}
if (*it != '%')
{
result += *it;
}
else if (*it == '%')
{
switch (*++it)
{
case 'l':
result += GetLength();
break;
case 'F':
result += GetFile();
break;
case 'f':
result += GetName();
break;
case 'a':
result += GetArtist();
break;
case 'b':
result += GetAlbum();
break;
case 'y':
result += GetYear();
break;
case 'n':
result += GetTrack();
break;
case 'g':
result += GetGenre();
break;
case 'c':
result += GetComposer();
break;
case 'p':
result += GetPerformer();
break;
case 'd':
result += GetDisc();
break;
case 'C':
result += GetComment();
break;
case 't':
result += GetTitle();
break;
default:
break;
}
}
}
return result;
}
Song & Song::operator=(const Song &s)
{
if (this == &s)
return *this;
if (itsSong)
mpd_freeSong(itsSong);
itsSong = s.copyPtr ? s.itsSong : mpd_songDup(s.itsSong);
itsNewName = s.itsNewName;
itsSlash = s.itsSlash;
itsHash = s.itsHash;
copyPtr = s.copyPtr;
isStream = s.isStream;
isLocalised = s.isLocalised;
return *this;
}
bool Song::operator==(const Song &s) const
{
return (itsSong->file && s.itsSong->file
? strcmp(itsSong->file, s.itsSong->file) == 0
: !(itsSong->file || s.itsSong->file))
&& (itsSong->title && s.itsSong->title
? strcmp(itsSong->title, s.itsSong->title) == 0
: !(itsSong->title || s.itsSong->title))
&& (itsSong->artist && s.itsSong->artist
? strcmp(itsSong->artist, s.itsSong->artist) == 0
: !(itsSong->artist || s.itsSong->artist))
&& (itsSong->album && s.itsSong->album
? strcmp(itsSong->album, s.itsSong->album) == 0
: !(itsSong->album || s.itsSong->album))
&& (itsSong->track && s.itsSong->track
? strcmp(itsSong->track, s.itsSong->track) == 0
: !(itsSong->track || s.itsSong->track))
&& (itsSong->date && s.itsSong->date
? strcmp(itsSong->date, s.itsSong->date) == 0
: !(itsSong->date || s.itsSong->date))
&& (itsSong->genre && s.itsSong->genre
? strcmp(itsSong->genre, s.itsSong->genre) == 0
: !(itsSong->genre || s.itsSong->genre))
&& (itsSong->composer && s.itsSong->composer
? strcmp(itsSong->composer, s.itsSong->composer) == 0
: !(itsSong->composer || s.itsSong->composer))
&& (itsSong->performer && s.itsSong->performer
? strcmp(itsSong->performer, s.itsSong->performer) == 0
: !(itsSong->performer || s.itsSong->performer))
&& (itsSong->disc && s.itsSong->disc
? strcmp(itsSong->disc, s.itsSong->disc) == 0
: !(itsSong->disc || s.itsSong->disc))
&& (itsSong->comment && s.itsSong->comment
? strcmp(itsSong->comment, s.itsSong->comment) == 0
: !(itsSong->comment || s.itsSong->comment))
&& itsSong->time == s.itsSong->time
&& itsSong->pos == s.itsSong->pos
&& itsSong->id == s.itsSong->id
&& itsHash == itsHash;
}
bool Song::operator!=(const Song &s) const
{
return !operator==(s);
}
bool Song::operator<(const Song &s) const
{
return itsSong->pos < s.itsSong->pos;
}
string Song::ShowTime(int length)
{
std::stringstream ss;
int hours = length/3600;
length -= hours*3600;
int minutes = length/60;
length -= minutes*60;
int seconds = length;
if (hours > 0)
{
ss << hours << ":"
<< std::setw(2) << std::setfill('0') << minutes << ":"
<< std::setw(2) << std::setfill('0') << seconds;
}
else
{
ss << minutes << ":"
<< std::setw(2) << std::setfill('0') << seconds;
}
return ss.str();
}
void Song::__Count_Last_Slash_Position()
{
char *tmp = strrchr(itsSong->file, '/');
if (tmp)
itsSlash = tmp-itsSong->file;
}