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-rw-r--r--src/lib/formats/fsmgr.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/lib/formats/fsmgr.h b/src/lib/formats/fsmgr.h
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+++ b/src/lib/formats/fsmgr.h
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+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
+
+// Filesystem management code for floppy, hd and cdrom images
+
+#ifndef MAME_FORMATS_FSMGR_H
+#define MAME_FORMATS_FSMGR_H
+
+#pragma once
+
+#include "fsmeta.h"
+
+#include <memory>
+#include <vector>
+
+class floppy_image_format_t;
+
+namespace fs {
+
+// declared in fsblk.h
+class filesystem_t;
+class fsblk_t;
+
+using u32 = uint32_t;
+
+class manager_t {
+public:
+ struct floppy_enumerator {
+ floppy_enumerator(u32 form_factor, const std::vector<u32> &variants);
+ virtual ~floppy_enumerator() = default;
+
+ void add(const floppy_image_format_t &type, u32 form_factor, u32 variant, u32 image_size, const char *name, const char *description);
+ virtual void add_raw(const char *name, u32 key, const char *description) = 0;
+
+ u32 form_factor() const { return m_form_factor; }
+ const std::vector<u32> &variants() const { return m_variants; }
+
+ protected:
+ virtual void add_format(const floppy_image_format_t &type, u32 image_size, const char *name, const char *description) = 0;
+
+ private:
+ u32 m_form_factor;
+ const std::vector<u32> & m_variants;
+ };
+
+ struct hd_enumerator {
+ virtual ~hd_enumerator() = default;
+
+ virtual void add(const manager_t *manager, const char *name, const char *description) = 0;
+ };
+
+ struct cdrom_enumerator {
+ virtual ~cdrom_enumerator() = default;
+
+ virtual void add(const manager_t *manager, const char *name, const char *description) = 0;
+ };
+
+ virtual ~manager_t() = default;
+
+ virtual const char *name() const = 0;
+ virtual const char *description() const = 0;
+
+ virtual void enumerate_f(floppy_enumerator &fe) const;
+ virtual void enumerate_h(hd_enumerator &he) const;
+ virtual void enumerate_c(cdrom_enumerator &ce) const;
+
+ virtual bool can_format() const = 0;
+ virtual bool can_read() const = 0;
+ virtual bool can_write() const = 0;
+ virtual bool has_rsrc() const = 0;
+ virtual char directory_separator() const;
+
+ bool has_subdirectories() const { return directory_separator() != 0; }
+
+ virtual std::vector<meta_description> volume_meta_description() const;
+ virtual std::vector<meta_description> file_meta_description() const;
+ virtual std::vector<meta_description> directory_meta_description() const;
+
+ // Create a filesystem object from a block device
+ virtual std::unique_ptr<filesystem_t> mount(fsblk_t &blockdev) const = 0;
+
+ static bool has(u32 form_factor, const std::vector<u32> &variants, u32 ff, u32 variant);
+ static bool has_variant(const std::vector<u32> &variants, u32 variant);
+
+protected:
+ manager_t() = default;
+};
+
+} // namespace fs
+
+#endif