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// File : CommandLine.hpp
// Author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// $Id$
#ifndef COMMAND_LINE_HPP
#define COMMAND_LINE_HPP
#include <algorithm>
#include <vector>
#include <string>
using namespace std;
//@@ this stuff needs proper reimplementation
class CommandLine
{
public:
CommandLine () throw () : separator (false) {}
// Option constrain checking
public:
bool
require (std::string option) const throw ()
{
return std::find_if (options.begin (),
options.end (),
OptionNamePredicat (option)) != options.end ();
}
bool
depends (std::string dependant,
std::string principal) const throw ()
{
Options::const_iterator begin = options.begin ();
Options::const_iterator end = options.end ();
if (std::find_if (begin, end, OptionNamePredicat (dependant)) != end)
{
return std::find_if (begin, end, OptionNamePredicat (principal)) != end;
}
else
{
return true;
}
}
bool
inconsistent (std::string a,
std::string b) const throw ()
{
Options::const_iterator begin = options.begin ();
Options::const_iterator end = options.end ();
if (std::find_if (begin, end, OptionNamePredicat (a)) != end)
{
return std::find_if (begin, end, OptionNamePredicat (b)) == end;
}
else
{
return true;
}
}
std::string
get_value (std::string name, std::string const& not_found_value) const
{
Options::const_iterator i = std::find_if (
options.begin (),
options.end (),
OptionNamePredicat (name));
if (i != options.end () && !(i->value_.empty ()))
{
return i->value_;
}
else
{
return not_found_value;
}
}
std::string
get_value (std::string name, char const* not_found_value) const
{
Options::const_iterator i = std::find_if (
options.begin (),
options.end (),
OptionNamePredicat (name));
if (i != options.end () && !(i->value_.empty ()))
{
return i->value_;
}
else
{
return std::string (not_found_value);
}
}
bool
get_value (std::string name, bool not_found_value) const
{
Options::const_iterator i = std::find_if (
options.begin (),
options.end (),
OptionNamePredicat (name));
if (i != options.end ())
{
return true;
}
else
{
return not_found_value;
}
}
// Arguments
//
//
typedef
std::vector<std::string>
Arguments;
typedef
Arguments::const_iterator
ArgumentIterator;
ArgumentIterator
argument_begin () const
{
return arguments.begin ();
}
ArgumentIterator
argument_end () const
{
return arguments.end ();
}
public:
struct Option
{
enum OptionType
{
EQUATIONAL,
COMPOSITE
};
Option (OptionType type,
std::string const& name,
std::string const& value) throw ()
: type_ (type),
name_ (name),
value_ (value)
{
}
OptionType type_;
std::string name_;
std::string value_;
};
struct OptionNamePredicat
{
OptionNamePredicat (std::string const& name)
: name_ (name)
{
}
bool operator ()(Option const& option) throw ()
{
return name_ == option.name_;
}
private:
std::string const name_;
};
typedef
std::vector<Option>
Options;
typedef
std::vector<std::string>
Arguments;
std::string command;
Options options;
Arguments arguments;
bool separator;
};
#endif // COMMAND_LINE_HPP
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