#ifndef INCLUDED_BOBCAT_GLOB_
#define INCLUDED_BOBCAT_GLOB_

#include <string>
#include <glob.h>

#include <bobcat/errno>

namespace FBB
{

class Glob
{
    struct GlobShare
    {
        glob_t      globStruct;
        size_t      users;
    };

    GlobShare *d_share;

    public:
        enum Flags
        {
            // These flags are those used by glob.h

            ERR =       1 << 0, // Return on read errors.
            MARK =      1 << 1, // Append a slash to each name.
            NOSORT =    1 << 2, // Don't sort the names.
            NOESCAPE =  1 << 6, // Backslashes don't quote metacharacters.
            PERIOD =    1 << 7, // Leading `.' can be matched by metachars.
        };

        enum Dots
        {
            FIRST,
            DEFAULT
        };
            
        Glob(std::string const &pattern = "*", int flags = PERIOD,
             Dots dots = FIRST);

        Glob(Glob const &other);
        Glob(Glob &&tmp);

        ~Glob();

        Glob &operator=(Glob const &other);
        Glob &operator=(Glob &&tmp);

        size_t size() const;
        char const *operator[](size_t idx) const;
        char const *const *begin() const;
        char const *const *end() const;

        void verify() const;        // no-op

        void swap(Glob &other);

    private:
        char const **mbegin() const;
        char const **mend() const;
        void copy(Glob const &other);
        void destroy();

        static bool isDot(char const *cp);
};

inline Glob::Glob(Glob const &other)
{
    copy(other);
}

inline Glob::~Glob()
{
    destroy();
}

inline size_t Glob::size() const
{
    return d_share->globStruct.gl_pathc;
}

inline char const *Glob::operator[](size_t idx) const
{
    return idx < size() ? d_share->globStruct.gl_pathv[idx] : "";
}

inline char const *const *Glob::begin() const
{
    return d_share->globStruct.gl_pathv;
}

inline char const *const *Glob::end() const
{
    return d_share->globStruct.gl_pathv + size();
}

} // FBB
        
#endif




