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#ifndef WIBBLE_COMMANDLINE_CORE_H
#define WIBBLE_COMMANDLINE_CORE_H
#include <wibble/exception.h>
#include <string>
#include <list>
#include <set>
namespace wibble {
namespace exception {
class BadOption : public Consistency
{
std::string m_error;
public:
BadOption(const std::string& error, const std::string& context = std::string("parsing commandline options")) throw ()
: Consistency(context), m_error(error) {}
~BadOption() throw () {}
virtual const char* type() const throw () { return "BadOption"; }
virtual std::string desc() const throw () { return m_error; }
};
}
namespace commandline {
class ArgList : public std::list<std::string>
{
public:
// Remove the item pointed by the iterator, and advance the iterator to the
// next item. Returns i itself.
inline iterator& eraseAndAdvance(iterator& i)
{
if (i == end())
return i;
iterator next = i;
++next;
erase(i);
i = next;
return i;
}
static bool isSwitch(const char* str);
static bool isSwitch(const std::string& str);
static bool isSwitch(const const_iterator& iter);
static bool isSwitch(const iterator& iter);
};
class Managed
{
public:
virtual ~Managed() {}
};
/** Keep track of various wibble::commandline components, and deallocate them
* at object destruction.
*
* If an object is added multiple times, it will still be deallocated only once.
*/
class MemoryManager
{
std::set<Managed*> components;
Managed* addManaged(Managed* o) { components.insert(o); return o; }
public:
~MemoryManager()
{
for (std::set<Managed*>::const_iterator i = components.begin();
i != components.end(); ++i)
delete *i;
}
template<typename T>
T* add(T* item) { addManaged(item); return item; }
};
}
}
// vim:set ts=4 sw=4:
#endif
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