Exheredludis/paludis/repositories/e/file_suffixes.cc
2011-08-07 18:18:38 +01:00

129 lines
3.6 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2011 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <paludis/repositories/e/file_suffixes.hh>
#include <paludis/util/pimp-impl.hh>
#include <paludis/util/singleton-impl.hh>
#include <paludis/util/config_file.hh>
#include <paludis/util/system.hh>
#include <paludis/util/fs_path.hh>
#include <paludis/util/log.hh>
#include <paludis/util/options.hh>
#include <paludis/util/env_var_names.hh>
#include <paludis/name.hh>
using namespace paludis;
using namespace paludis::erepository;
namespace paludis
{
template <>
struct Imp<FileSuffixes>
{
KeyValueConfigFile file;
Imp() :
file(FSPath(getenv_with_default(env_vars::suffixes_file, DATADIR "/paludis/ebuild_entries_suffixes.conf")),
{ }, &KeyValueConfigFile::no_defaults, &KeyValueConfigFile::no_transformation)
{
}
};
}
FileSuffixes::FileSuffixes() :
_imp()
{
}
FileSuffixes::~FileSuffixes() = default;
bool
FileSuffixes::is_known_suffix(const std::string & s) const
{
return ! _imp->file.get("suffix_" + s + "_known").empty();
}
const std::string
FileSuffixes::guess_eapi_without_hint(const std::string & s) const
{
return _imp->file.get("guess_eapi_" + s);
}
const std::string
FileSuffixes::guess_eapi_from_filename(const QualifiedPackageName &, const FSPath & e) const
{
std::string::size_type p(e.basename().rfind('.'));
if (std::string::npos == p)
return "";
std::string suffix(e.basename().substr(p + 1));
return guess_eapi_without_hint(suffix);
}
const std::string
FileSuffixes::manifest_key(const std::string & s) const
{
std::string result(_imp->file.get("manifest_key_" + s));
if (result.empty())
{
Log::get_instance()->message("e.ebuild.unknown_manifest_key", ll_warning, lc_context)
<< "Don't know what the manifest key for files with suffix '" << s << "' is, guessing 'MISC'";
return "MISC";
}
else
return result;
}
bool
FileSuffixes::is_package_file(const QualifiedPackageName & n, const FSPath & e) const
{
Context context("When working out whether '" + stringify(e) + "' is a package file for '" + stringify(n) + "':");
if (0 != e.basename().compare(0, stringify(n.package()).length() + 1, stringify(n.package()) + "-"))
return false;
std::string::size_type p(e.basename().rfind('.'));
if (std::string::npos == p)
return false;
std::string suffix(e.basename().substr(p + 1));
return is_known_suffix(suffix);
}
const std::string
FileSuffixes::get_package_file_manifest_key(const FSPath & e, const QualifiedPackageName & q) const
{
if (! is_package_file(q, e))
return "";
std::string::size_type p(e.basename().rfind('.'));
if (std::string::npos == p)
return "EBUILD";
std::string suffix(e.basename().substr(p + 1));
return manifest_key(suffix);
}
namespace paludis
{
template class Singleton<FileSuffixes>;
}