1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/opener.h Sun Jan 24 19:29:07 2021 +0100
1.3 @@ -0,0 +1,39 @@
1.4 +#pragma once
1.5 +
1.6 +#include "accessing.h"
1.7 +#include "file_pager.h"
1.8 +#include "opener_context.h"
1.9 +#include "pager.h"
1.10 +#include "paging.h"
1.11 +#include "pages.h"
1.12 +
1.13 +/* Support for providing access to files. */
1.14 +
1.15 +class Opener
1.16 +{
1.17 +protected:
1.18 + Accessing *_accessing;
1.19 + Paging *_paging;
1.20 + Pages *_pages;
1.21 +
1.22 + /* Convenience methods. */
1.23 +
1.24 + Accessor *get_accessor(fileid_t fileid);
1.25 +
1.26 + PageMapper *get_mapper(Accessor *accessor);
1.27 +
1.28 + /* Configurable methods. */
1.29 +
1.30 + virtual fileid_t get_fileid(const char *path) = 0;
1.31 +
1.32 + virtual Accessor *make_accessor(fileid_t fileid) = 0;
1.33 +
1.34 +public:
1.35 + explicit Opener(Accessing *accessing, Paging *paging, Pages *pages);
1.36 +
1.37 + OpenerContext *context();
1.38 +
1.39 + FilePager *open(const char *path);
1.40 +};
1.41 +
1.42 +// vim: tabstop=4 expandtab shiftwidth=4