80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/* reader.h - prototypes for command line reader. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_READER_HEADER
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#define GRUB_READER_HEADER 1
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#include <grub/types.h>
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#include <grub/err.h>
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#include <grub/handler.h>
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typedef grub_err_t (*grub_reader_getline_t) (char **, int);
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struct grub_reader
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{
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/* The next reader. */
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struct grub_parser *next;
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/* The reader name. */
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const char *name;
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/* Initialize the reader. */
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grub_err_t (*init) (void);
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/* Clean up the reader. */
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grub_err_t (*fini) (void);
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grub_reader_getline_t read_line;
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};
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typedef struct grub_reader *grub_reader_t;
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extern struct grub_handler_class EXPORT_VAR(grub_reader_class);
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grub_err_t EXPORT_FUNC(grub_reader_loop) (grub_reader_getline_t getline);
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static inline void
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grub_reader_register (const char *name __attribute__ ((unused)),
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grub_reader_t reader)
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{
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grub_handler_register (&grub_reader_class, GRUB_AS_HANDLER (reader));
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}
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static inline void
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grub_reader_unregister (grub_reader_t reader)
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{
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grub_handler_unregister (&grub_reader_class, GRUB_AS_HANDLER (reader));
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}
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static inline grub_reader_t
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grub_reader_get_current (void)
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{
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return (grub_reader_t) grub_reader_class.cur_handler;
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}
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static inline grub_err_t
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grub_reader_set_current (grub_reader_t reader)
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{
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return grub_handler_set_current (&grub_reader_class,
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GRUB_AS_HANDLER (reader));
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}
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void grub_register_rescue_reader (void);
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#endif /* ! GRUB_READER_HEADER */
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