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// file : cult/cli/arguments.hxx
// author : Boris Kolpackov <boris@kolpackov.net>
// copyright : Copyright (c) 2005-2010 Boris Kolpackov
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef CULT_CLI_ARGUMENTS_HXX
#define CULT_CLI_ARGUMENTS_HXX
#include <cult/types.hxx>
#include <cult/cli/exceptions.hxx>
namespace Cult
{
namespace CLI
{
class Arguments: public NonCopyable
{
public:
virtual
~Arguments ();
public:
class Bounds: public virtual Exception {};
virtual Size
size () const = 0;
virtual Char const*
operator[] (Index) const = 0;
virtual Void
erase (Index) = 0;
};
class BasicArguments: public Arguments
{
public:
virtual
~BasicArguments ();
BasicArguments (Int& argc, Char** argv);
public:
virtual Size
size () const
{
return static_cast<Size> (argc_);
}
virtual Char const*
operator[] (Index i) const
{
if (i >= size ())
throw Bounds ();
return argv_[i];
}
virtual Void
erase (Index i)
{
if (i >= size ())
throw Bounds ();
for (++i; i < size (); ++i)
{
argv_[i - 1] = argv_[i];
}
--argc_;
argv_[argc_] = 0;
}
private:
Int& argc_;
Char** argv_;
};
}
}
#include <cult/cli/arguments.ixx>
#endif // CULT_CLI_ARGUMENTS_HXX
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