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/*
* Parameter parsing from file, command line and environment
* (c) 2006-2008, Norbert Sendetzky <norbert@linuxnetworks.de>
* Inspired by PowerDNS ArgvMap code
*
* Distributed under the terms of the GNU Library General Public Licence
* version 2 or (at your option) any later version.
*/
#include <map>
#include <string>
#include <vector>
#include <stdexcept>
#ifndef ARGMAP_HPP
#define ARGMAP_HPP
using std::map;
using std::string;
using std::vector;
class ArgException : public std::runtime_error
{
public:
explicit ArgException( const string& str ) : std::runtime_error( str ) {}
};
class ArgMap
{
protected:
struct argopt {
string longopt;
string shortopt;
string value;
string help;
bool req;
};
vector<string> m_items;
vector<struct argopt> m_arg;
map<string,size_t> m_long;
map<string,size_t> m_short;
int getOptionType( const string& arg );
void parseItem( const string& item, bool strict );
void parseLongOption( const string& keyvalue, bool strict );
void parseShortOption( const string& arg, const string& value, bool strict );
public:
enum opttype { Delimiter, Item, Short, Long };
string& set( const string& longopt, const string& shortopt, const string& help, bool req = true );
bool mustDo( const string &arg );
long asLong( const string& arg );
double asDouble( const string& arg );
const string& asString( const string& arg );
vector<string> getArgList();
const vector<string>& getItems();
bool checkArgv( int argc, char* argv[], const string& str, string& val );
void parseArgv( int argc, char* argv[], bool strict = true );
void parseFile( const string& filename, bool strict = true );
void parseEnv( char* env[], bool strict = false );
string help( const string& prefix = "" );
string config();
};
#endif /* ARGUMENTS_HH */
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