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some MPD::Song improvements and syntax simplifications

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This commit is contained in:
Andrzej Rybczak
2009-07-05 14:13:18 +02:00
parent df051bf674
commit f60cc71b91
11 changed files with 65 additions and 62 deletions
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80
src/song.cpp
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@@ -34,34 +34,18 @@ MPD::Song::Song(mpd_Song *s, bool copy_ptr) : itsSong(s ? s : mpd_newSong()),
itsSlash(std::string::npos),
itsHash(0),
copyPtr(copy_ptr),
isStream(0),
isLocalised(0)
{
size_t file_len = itsSong->file ? strlen(itsSong->file) : 0;
if (itsSong->file)
{
CountLastSlashPosition();
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];
}
SetHashAndSlash();
}
MPD::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)
itsNewName(s.itsNewName),
itsSlash(s.itsSlash),
itsHash(s.itsHash),
copyPtr(s.copyPtr),
isLocalised(s.isLocalised)
{
itsSong = s.copyPtr ? s.itsSong : mpd_songDup(s.itsSong);
}
@@ -74,9 +58,7 @@ MPD::Song::~Song()
std::string MPD::Song::GetLength() const
{
if (itsSong->time <= 0)
return "-:--";
return ShowTime(itsSong->time);
return itsSong->time <= 0 ? "-:--" : ShowTime(itsSong->time);
}
void MPD::Song::Localize()
@@ -85,7 +67,7 @@ void MPD::Song::Localize()
if (isLocalised)
return;
str_pool_utf_to_locale(itsSong->file);
CountLastSlashPosition();
SetHashAndSlash();
str_pool_utf_to_locale(itsSong->artist);
str_pool_utf_to_locale(itsSong->title);
str_pool_utf_to_locale(itsSong->album);
@@ -107,9 +89,8 @@ void MPD::Song::Clear()
mpd_freeSong(itsSong);
itsSong = mpd_newSong();
itsNewName.clear();
itsSlash = 0;
itsSlash = std::string::npos;
itsHash = 0;
isStream = 0;
isLocalised = 0;
copyPtr = 0;
}
@@ -119,10 +100,14 @@ bool MPD::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 MPD::Song::IsFromDB() const
bool MPD::Song::isFromDB() const
{
const std::string &dir = GetDirectory();
return dir[0] != '/' || dir == "/";
return (itsSong->file && itsSong->file[0] != '/') || itsSlash == std::string::npos;
}
bool MPD::Song::isStream() const
{
return !strncmp(itsSong->file, "http://", 7);
}
std::string MPD::Song::GetFile() const
@@ -132,12 +117,24 @@ std::string MPD::Song::GetFile() const
std::string MPD::Song::GetName() const
{
return !itsSong->file ? "" : (itsSlash != std::string::npos && !isStream ? itsSong->file+itsSlash+1 : (isStream && itsSong->name ? itsSong->name : itsSong->file));
if (itsSong->name)
return itsSong->name;
else if (!itsSong->file)
return "";
else if (itsSlash != std::string::npos)
return itsSong->file+itsSlash+1;
else
return itsSong->file;
}
std::string MPD::Song::GetDirectory() const
{
return !itsSong->file || isStream ? "" : itsSlash != std::string::npos ? std::string(itsSong->file).substr(0, itsSlash) : "/";
if (!itsSong->file || isStream())
return "";
else if (itsSlash == std::string::npos)
return "/";
else
return std::string(itsSong->file, itsSlash);
}
std::string MPD::Song::GetArtist() const
@@ -157,7 +154,12 @@ std::string MPD::Song::GetAlbum() const
std::string MPD::Song::GetTrack() const
{
return !itsSong->track ? "" : (StrToInt(itsSong->track) < 10 && itsSong->track[0] != '0' ? "0"+std::string(itsSong->track) : itsSong->track);
if (!itsSong->track)
return "";
else if (itsSong->track[0] != '0' && !itsSong->track[1])
return "0"+std::string(itsSong->track);
else
return itsSong->track;
}
std::string MPD::Song::GetYear() const
@@ -195,7 +197,7 @@ void MPD::Song::SetFile(const std::string &str)
if (itsSong->file)
str_pool_put(itsSong->file);
itsSong->file = str.empty() ? 0 : str_pool_get(str.c_str());
CountLastSlashPosition();
SetHashAndSlash();
}
void MPD::Song::SetArtist(const std::string &str)
@@ -449,7 +451,7 @@ std::string MPD::Song::toString(const std::string &format) const
return result;
}
MPD::Song & MPD::Song::operator=(const MPD::Song &s)
MPD::Song &MPD::Song::operator=(const MPD::Song &s)
{
if (this == &s)
return *this;
@@ -460,7 +462,6 @@ MPD::Song & MPD::Song::operator=(const MPD::Song &s)
itsSlash = s.itsSlash;
itsHash = s.itsHash;
copyPtr = s.copyPtr;
isStream = s.isStream;
isLocalised = s.isLocalised;
return *this;
}
@@ -540,11 +541,12 @@ std::string MPD::Song::ShowTime(int length)
return ss.str();
}
void MPD::Song::CountLastSlashPosition()
void MPD::Song::SetHashAndSlash()
{
if (!itsSong->file)
return;
char *tmp = strrchr(itsSong->file, '/');
itsSlash = tmp ? tmp-itsSong->file : std::string::npos;
itsSlash = tmp && *(tmp-1) != '/' /* no http:// */ ? tmp-itsSong->file : std::string::npos;
itsHash = calc_hash(itsSong->file);
}