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DirIterator.h

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#ifndef CLASSLIB_DIR_ITERATOR_H
# define CLASSLIB_DIR_ITERATOR_H

//<<<<<< INCLUDES                                                       >>>>>>

# include "classlib/sysapi/system.h"
# include <iterator>
# include <string>

namespace lat {

//<<<<<< PUBLIC DEFINES                                                 >>>>>>
//<<<<<< PUBLIC CONSTANTS                                               >>>>>>
//<<<<<< PUBLIC TYPES                                                   >>>>>>

struct DirIteratorData;
class DirIteratorError;
class Filename;

//<<<<<< PUBLIC VARIABLES                                               >>>>>>
//<<<<<< PUBLIC FUNCTIONS                                               >>>>>>
//<<<<<< CLASS DECLARATIONS                                             >>>>>>

class DirIterator ITERATOR_BASE(input_iterator, std::string, STDC::ptrdiff_t)
{
public:
    typedef std::input_iterator_tag     iterator_category;
    typedef std::string                 value_type;
    typedef STDC::ptrdiff_t             difference_type;
    typedef void                        reference;
    typedef void                        pointer;

    DirIterator (void);
    DirIterator (const char *dirname, bool dots = false);
    DirIterator (const std::string &dirname, bool dots = false);
    DirIterator (const Filename &dirname, bool dots = false);
    DirIterator (const DirIterator &x);
    ~DirIterator (void);
    DirIterator&        operator= (const DirIterator &x);

    bool                operator== (const DirIterator &x) const;
    bool                operator!= (const DirIterator &x) const;

    std::string         operator* (void) const;
    DirIterator &       operator++ (void);
    DirIterator         operator++ (int);

    void                close (bool throwable);

private:
    void                initialise (const char *dirname, bool dots);
    void                release (bool throwable);
    void                next (void);
    void                steal (void);

    bool                sysnext (void);
    void                sysinitialise (const char *dirname);
    void                sysclose (bool throwable);
    std::string         sysderef (void) const;

    DirIteratorData     *m_data;
};

//<<<<<< INLINE PUBLIC FUNCTIONS                                        >>>>>>
//<<<<<< INLINE MEMBER FUNCTIONS                                        >>>>>>

} // namespace lat
#endif // CLASSLIB_DIR_ITERATOR_H

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