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Simplify option_parser

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This commit is contained in:
Andrzej Rybczak
2016-11-19 14:41:32 +01:00
parent 6d313a282b
commit 180c2d26fc
9 changed files with 480 additions and 690 deletions
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26
src/lyrics_fetcher.cpp
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@@ -36,27 +36,31 @@
#include "utility/html.h"
#include "utility/string.h"
std::unique_ptr<LyricsFetcher> toLyricsFetcher(const std::string &s)
std::istream &operator>>(std::istream &is, LyricsFetcher_ &fetcher)
{
std::string s;
is >> s;
if (s == "lyricwiki")
return std::make_unique<LyricwikiFetcher>();
fetcher = std::make_unique<LyricwikiFetcher>();
else if (s == "azlyrics")
return std::make_unique<AzLyricsFetcher>();
fetcher = std::make_unique<AzLyricsFetcher>();
else if (s == "genius")
return std::make_unique<GeniusFetcher>();
fetcher = std::make_unique<GeniusFetcher>();
else if (s == "sing365")
return std::make_unique<Sing365Fetcher>();
fetcher = std::make_unique<Sing365Fetcher>();
else if (s == "lyricsmania")
return std::make_unique<LyricsmaniaFetcher>();
fetcher = std::make_unique<LyricsmaniaFetcher>();
else if (s == "metrolyrics")
return std::make_unique<MetrolyricsFetcher>();
fetcher = std::make_unique<MetrolyricsFetcher>();
else if (s == "justsomelyrics")
return std::make_unique<JustSomeLyricsFetcher>();
fetcher = std::make_unique<JustSomeLyricsFetcher>();
else if (s == "tekstowo")
return std::make_unique<TekstowoFetcher>();
fetcher = std::make_unique<TekstowoFetcher>();
else if (s == "internet")
return std::make_unique<InternetLyricsFetcher>();
throw std::runtime_error("no lyrics fetcher named '" + s + "'");
fetcher = std::make_unique<InternetLyricsFetcher>();
else
is.setstate(std::ios::failbit);
return is;
}
const char LyricsFetcher::msgNotFound[] = "Not found";