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/*
* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*/
#include <core/trust/click/index.h>
#include <core/trust/click/deb822.h>
#include <boost/filesystem.hpp>
#include <boost/property_tree/ini_parser.hpp>
#include <boost/property_tree/ptree.hpp>
// Constructs a new instance, querying filesystem path setups
click::Index::Index(const click::Index::Configuration& configuration)
{
// Iterate over all known frameworks.
boost::filesystem::directory_iterator it{configuration.paths->default_frameworks_config_dir()}, itE;
for (; it != itE; ++it)
{
std::ifstream in{it->path().string().c_str()};
auto kv = click::deb822::parse_from_stream(in);
if (kv.count(click::Framework::Keys::base_name) == 0 || kv.count(click::Framework::Keys::base_version) == 0)
continue;
framework_registry->register_framework(Framework::Ptr
{
new Framework
{
kv.at(click::Framework::Keys::base_name),
kv.at(click::Framework::Keys::base_version)
}
});
}
// Iterate over all configured databases.
boost::filesystem::directory_iterator itd{configuration.paths->default_database_config_dir()}, itdE;
for (; itd != itdE; ++itd)
{
boost::property_tree::ptree ptree;
boost::property_tree::ini_parser::read_ini(itd->path().string(), ptree);
auto root = ptree.get_child("Click Database").get<std::string>("root");
databases.push_back(std::make_shared<click::FileSystemDatabase>(
click::FileSystemDatabase::Configuration{root, framework_registry}
));
}
}
// From Database
void click::Index::enumerate_packages(const click::Database::PackageEnumerator& enumerator) const
{
for(auto database : databases)
{
database->enumerate_packages(enumerator);
}
}
click::Package::Ptr click::Index::find_package_for_name(const std::string& name) const
{
for(auto database : databases)
{
try
{
return database->find_package_for_name(name);
} catch(...)
{
}
}
return click::Package::Ptr{};
}
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