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/*
grive: an GPL program to sync a local directory with Google Drive
Copyright (C) 2012 Wan Wai Ho
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 version 2
of the License.
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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "Config.hh"
#include "util/StdioFile.hh"
#include <boost/program_options.hpp>
#include <iostream>
#include <iterator>
namespace po = boost::program_options;
namespace gr {
const std::string default_filename = ".grive";
const char *env_name = "GR_CONFIG";
const std::string default_root_folder = ".";
Config::Config( const po::variables_map& vm )
{
m_cmd.Add( "log-xml", Json(vm.count("log-xml") > 0) ) ;
m_cmd.Add( "new-rev", Json(vm.count("new-rev") > 0) ) ;
m_cmd.Add( "force", Json(vm.count("force") > 0 ) ) ;
m_cmd.Add( "path", Json(vm.count("path") > 0
? vm["path"].as<std::string>()
: default_root_folder ) ) ;
m_path = GetPath( fs::path(m_cmd["path"].Str()) ) ;
m_file = Read( ) ;
}
fs::path Config::GetPath( const fs::path& root_path )
{
// config file will be (in order of preference)
// value specified in environment string
// value specified in defaultConfigFileName in path from commandline --path
// value specified in defaultConfigFileName in current directory
const char *env = ::getenv( env_name ) ;
return root_path / (env ? env : default_filename) ;
}
const fs::path Config::Filename() const
{
return m_path ;
}
void Config::Save( )
{
StdioFile file( m_path.string(), 0600 ) ;
m_file.Write( file ) ;
}
void Config::Set( const std::string& key, const Json& value )
{
m_file.Add( key, value ) ;
}
Json Config::Get( const std::string& key ) const
{
return m_cmd.Has(key) ? m_cmd[key] : m_file[key] ;
}
Json Config::GetAll() const
{
Json::Object obj = m_file.AsObject() ;
Json::Object cmd_obj = m_cmd.AsObject() ;
for ( Json::Object::iterator i = cmd_obj.begin() ; i != cmd_obj.end() ; ++i )
obj[i->first] = i->second ;
return Json( obj ) ;
}
Json Config::Read()
{
try
{
return Json::ParseFile( m_path.string() ) ;
}
catch ( Exception& e )
{
return Json() ;
}
}
} // end of namespace
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